DIGITAL XXXIIIrd EDITION 03 > 05.03.21 A DIGITAL EXPERIENCE

Grants & Prizes Video conference

33RD Scientific sessions EDITION

Invited lectures

Satellite Symposia

www.bwge.be| 1 | OverView BGWE 2021

PAVILION 1 PAVILION 2

Room Room Room GENT Room LIEGE

■ 08.30-10.10 PGC ■ 10.30-12.10 PGC

■ 14.00-15.50 ■ 13.15-14.55 IBD - BIRD PGC

WEDNESDAY 03/03 WEDNESDAY ■ 16.05-18.30 ■ 15.15-16.55 IBD - BIRD PGC ■ 17.15-19.20 UltraSound Course

■ 08.30-10.30 ■ 08.30-10.30 ■ 08.30-10.25 BASL - BLIC Case Reports GIREM ■ 9.30-10.00 Brohée Lecture ■ 10.00-10.30 Symposium EISAI/MSD ■ 10.45-12.40 BASL - BLIC ■ 10.45-12.40 ■ 10.45-12.35 Case Reports GIREM ■ 13.00-14.00 BeSPGHAN GA ■ 13.30-15.00 ■ 14.00-14.30 ■ 13.30-14.00 GIREM Symposium ■ 14.00-15.10 Symposium ALNYLAM BeSPGHAN MEDTRONIC ■ 14.30-15.45 ■ 15.10-15.40 ■ 14.00-15.36 BASL - BLIC Symposium BSGIE ABBVIE ■ 15.36-17.15

THURSDAY 04/03 THURSDAY ■ 15.40-16.50 BSGIE BeSPGHAN

■ 08.00-09.00 Symposium MSD ■ 09.00-10.30 ■ 9.00-09.50 BSGIE LIVE BGDO ■ 09.50-10.00 Flash IPSEN ■ 10.00-12.00 ■ 10.00-10.50 Working Group BGDO Digestive ■ 10.50-11.20 Pathology ■ 11.00-12.45 Symposium BSGIE LIVE SERVIER

■ 11.20-12.00 BGDO

■ 12.00-12.10 Flash EISAI/MSD

■ 13.00-15.30 ■ 12.10-12.55 Working Group ■ 13.00-14.00 BGDO Digestive Young BASL FRIDAY 05/03 FRIDAY FRIDAY 05/03 FRIDAY Pathology ■ 14.10-15.10 ■ 14.00-15.00 ■ 14.00-16.00 Young BASL  Best of BWGE BPC ■ 15.15-16.30 Young BASL

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PG Course ROOM: GENT

08:30-12:10 - SESSION 1 Moderators : C. Van Kemseke (ULg), H. Piessevaux (UCL)

■ 08:30 Refractory benign esophageal strictures: repeated dilations, stenting, cutting? Christophe Snauwaert (AZ St Jan Brugge/UCL) ■ 08:55 Unexplained vomiting syndromes: cyclic vomiting, rumination syndrome, Functional vomiting, migraine… WEDNESDAY 03/03 WEDNESDAY Jan Tack (KUL) ■ 09:20 Non-variceal upper gastro-intestinal bleeding. Maridi Aerts (VUB) ■ 09:45 Optimising medical treatment in IBD. Edouard Louis (ULG)

■ 10:10 BREAK

■ 10:30 Short bowel syndrome. Nutritional aspects and small bowel transplantation. Tim Vanuytsel (KUL) ■ 10:55 Small intestinal bacterial overgrowth (SIBO). Heiko De Schepper (UZA) ■ 11:20 Metabolic complications of bariatric surgery. Mariana Arvanitakis (ULB) ■ 11:45 Medical treatment of advanced neuro-endocrine tumours. Ivan Borbath (UCL)

■ 12:10 BREAK

13:15-16:55 - SESSION 2 Moderators : I. Colle (ASZ Aalst/UG), P. Roelandt (KUL)

■ 13:15 Auto-immune liver diseases: how application of scores can help in early Stratification. Xavier Verhelst (UG ■ 13:40 NAFLD: from diet to transplantation (and all what is in between). Sven Francque (UZA) ■ 14:05 Management of recurrent idiopathic acute pancreatitis. Pierre Deprez (UCL) ■ 14:30 Anticoagulants/anti-aggregants and therapeutic endoscopy. Arnaud Lemmers (ULB)

■ 14:55 BREAK

■ 15:15 Management of benign biliary and pancreatic strictures. Jean-Philippe Loly (ULg) ■ 15:40 Early diagnosis and treatment of cholangiocarcinoma. Rastislav Kunda (VUB) ■ 16:05 Obstructive defecation: conservative and/or surgical treatment? FRIDAY 05/03 FRIDAY Bart van Geluwe (/KUL) ■ 16:30 Anal fissure: a pain in the ass… Danny De Looze (UG)

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UltraSound Course ROOM: GENT

17:15-19:20 - SESSION Moderators : J. Schouten (AZ Nikolaas, Sint-Niklaas), L. Vonghia (UZ Antwerpen)

■ 17:15 Introduction of the new Belgian ultrasound association. Jeoffrey Schouten (AZ Nikolaas, Sint-Niklaas), Luisa Vonghia (UZ Antwerpen) ■ WEDNESDAY 03/03 WEDNESDAY 17:20 Ultrasound features in chronic and acute liver disease. Peter Michielsen (UZ Antwerpen) ■ 17:45 Ultrasound features of gallbladder and bile duct disorders. Jeoffrey Schouten (AZ Nikolaas, Sint-Niklaas) ■ 18:10 Benign and malignant liver tumours. Anja Geerts (UZ Gent) ■ 18:30 Contrast-enhanced ultrasound in 2021: ready to use in daily practice? Luisa Vonghia (UZ Antwerpen) ■ 18:55 Closing remarks Jeoffrey Schouten (AZ Nikolaas, Sint-Niklaas), Luisa Vonghia (UZ Antwerpen)

PGCPOSTGRADUATE COURSE FRIDAY 05/03 FRIDAY

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IBD-BIRD ROOM: BRUSSELS

14:00-15:50 - SESSION 1 : IBD BASIC Moderators : C. Liefferinckx (ULB Erasme), J. P. Guedelha Sabino (UZ )

■ 14:00 I01 A discriminative metabolic profile in the sera of Crohn’s disease patients with fibrostenosis. S. Bos (1), M. De Vos (1), P. Hindryckx (2), T. Lobaton (2), L. Vanhaecke (1), D. Laukens (1) / WEDNESDAY 03/03 WEDNESDAY [1] U Gent, [2] UZ Gent ■ 14:05 I02 Magnetization transfer MRI and T2-weighted MRI texture analysis allow non-invasive detection of intestinal fibrosis in a fibrosis-inducing chronic colitis mouse model. S. Bos (1), I. De Kock (2), L. Delrue (2), P. Hindryckx (2), M. De Vos (1), G. Villeirs (2), D. Laukens (1) / [1] U Gent, [2] UZ Gent ■ 14:10 Q&A ■ 14:15 I03 Blood proteins linked to immune tolerance, inflammation and cellular junctions reveal a succession of pathophysiological events preceding the relapse in Crohn’s disease patients stopping infliximab. N. Pierre (1), V. Huynh-Thu (1), M. Allez (2), Y. Bouhnik (3), D. Laharie (4), A. Bourreille (5), J. Colombel (6), M. Meuwis (1), E. Louis (1) / [1] U Liege, [2] Hôpital Saint Louis, Paris, France, [3] Hôpital Beaujon, Paris, France, [4] CHU Bordeaux, France, [5] CHU Hotel Dieu, Nantes, France, [6] Mt. Sinai Icahn School of Medicine, USA ■ 14:20 I04 Early prediction of response to vedolizumab in patients with active Inflammatory Bowel Disease: a prospective real-life multicentre cohort Study. C. De Galan (1), G. Gonzales (1), S. Van Welden (1), S. Tavernier (2), T. Lobaton (2), W. Van Moerkercke (3), B. Strubbe (4), H. Peeters (4), E. Macken (5), M. De Vos (1), D. Laukens (1), P. Hindryckx (2)/ [1] U Gent, [2] UZ Gent, [3] AZ Groeninge, Kortrijk, [4] AZ Sint- Lucas, Gent, [5] U Antwerpen ■ 14:25 Q&A ■ 14:30 Invited Lecture : Stromal cells in the pathogenesis of inflammatory bowel Disease. Michael Scharl (Zurich, Switzerland) ■ 14:45 Invited Lecture : JAK-STAT pathway targeting for the treatment of IBD. Silvio Danese (Milan, Italy) ■ 15:00 Invited Lecture : Transmembrane mucins MUC1 and MUC13 as novel players in mucosal barrier dysfunction in IBD. Annemieke Smet (Antwerp, Belgium) ■ 15:15 Q&A ■ 15:35 I05 Long-term environmental hypoxia does not impact experimental Crohn’s like ileitis. C. De Galan, S. Van Welden, T. Lobaton, P. Hindryckx, M. De Vos, D. Laukens / U Gent ■ 15:40 I06 Potential Role of Epithelial Protein Disulphide Isomerases in Crohn’s Disease Fibrosis. S. Vieujean (1), S. Hu (2), E. Bequet (2), C. Salee (2), C. Massot (2), N. Bletard (1), N. Pierre (2), F. Quesada Calvo (2), D. Baiwir (2), G. Mazzucchelli (2), E. De Pauw (2), C. Coimbra Marques (1), P. Delvenne (1), E. Louis (1), M. Meuwis (2) / [1] CHU Liège, [2] U Liege ■ 15:45 Q&A

■

FRIDAY 05/03 FRIDAY 15:50 BREAK

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IBD-BIRD ROOM: BRUSSELS

16:05-18:30 - SESSION 2 : IBD CLINICAL Moderators : E. Louis (ULg Liège), T. Lobaton Ortega (UZ Gent)

■ 16:05 I07 Ultraproactive therapeutic drug monitoring based on point-of-care testing of infliximab is not superior to reactive drug monitoring in patients with inflammatory bowel disease: 1 year results of a pragmatic clinical trial. P. Bossuyt (1), S. Claeys (2), S. D’haens (1), E. Hoefkens (1), B. Strubbe (1), D. Marichal (2),

WEDNESDAY 03/03 WEDNESDAY L. Pouillon (1), H. Peeters (2) / [1] Imelda GI Clinical Research Center, Bonheiden, [2] AZ Sint-Lucas, Gent ■ 16:10 I08 Quality improvement by benchmarking of a core outcome indicator set in inflammatory bowel disease: a multicentric feasibility study. P. Bossuyt (1), D. Baert (2), F. Baert (3), E. Hoefkens (1), I. Huys (2), N. Lembrechts (1), E. Jonckere (3), P. Dewint (2), L. Pouillon (1) / [1] Imelda , Bonheiden, [2] AZ Maria Middelares, Gent, [3] AZ Delta, Roeselare ■ 16:15 Q&A ■ 16:20 I09 Patient perspectives on the role of the IBD nurse and telemedicine during COVID-19 pandemic: results from a Belgian tertiary IBD unit. G. Dewitte, J. Geldof, M. Truyens, T. Lobaton / UZ Gent ■ 16:25 I10 One year endoscopic and histologic outcomes to tofacitinib therapy in refractory ulcerative colitis. B. Verstockt (1), D. Alsoud (2), A. Outtier (1), J. Sabino (1), S. Vermeire (1), G. De Hertogh (1), M. Ferrante (1) / [1] UZ Leuven, [2] KULeuven ■ 16:30 Q&A ■ 16:35 I11 Efficacy and Safety of Filgotinib as Induction Therapy for Patients with Moderately to Severely Active Ulcerative Colitis: Results from the Phase 2b/3 SELECTION Study. S. Vermeire (1), B. Feagan (2), E. Loftus Jr (3), S. Danese (4), W. Sandborn (5), T. Ritter (6), R. Mehta (7), U. Seidler (8), F. Seibold (9), I. Beales (10), H. Jong Kim (11), J. Mcnally (12), C. Yun (12), S. Zhao (12), X. Liu (12), C. Tasset (13), R. Besuyen (13), M. Watanabe (14), S. Schreiber (15), G. Rogler (16), T. Hibi (17), L. Peyrin-Biroulet (18)/ [1] UZ Leuven, [2] Western University, London, Canada, [3] Mayo Clinic, Rochester, USA, [4] Humanitas University, Milan, Italy, [5] University of California San Diego (UCSD), USA, [6] GI Alliance, Southlake, USA, [7] Surat Institute of Digestive Science, Gujarat, India, [8] Hannover Medical School, Germany, [9] Seibold & Partner Crohn’s Colitis Center, Bern, Switzerland, [10] Norfolk and Norwich University Hospital, UK, [11] Kyung Hee University Hospital, Seoul, Korea, [12] Gilead Sciences Inc, USA, [13] Galapagos NV, [14] Tokyo Medical and Dental University, Tokyo, Japan, [15] University Medical Center Schleswig-Holstein, Kiel, Germany, [16] University Hospital, Zurich, Switzerland, [17] Kitasato Institute Hospital, Tokyo, Japan, [18] Nancy University Hospital, Vandoeuvre-lès-Nancy, France ■ 16:40 I12 Efficacy and Safety of Filgotinib as Maintenance Therapy for Patients with Moderately-Severely Active Ulcerative Colitis: Phase 2b/3 SELECTION Study. S. Vermeire (1), L. Peyrin-Biroulet (2), E. Loftus Jr (3), S. Danese (4), W. Sandborn (5), R. Fogel (6), S. Nijhawan (7), R. Kempinski (8), R. Filip (9), I. Hospodarsky (10), J. Mcnally (11), C. Yun (11), S. Zhao (11), X. Liu (11), C. Tasset (12), R. Besuyen (12), M. Watanabe (13), S. Schreiber (14), G. Rogler (15), T. Hibi (16), B. Feagan (17) / [1] UZ Leuven, [2] Nancy University Hospital, Vandoeuvre-lès-Nancy, France, [3] Mayo Clinic, Rochester, USA, [4] Humanitas Clinical and Research Cente, Milan, Italy, [5] University of California San Diego (UCSD), USA, [6] Clinical Research Institute of Michigan, Chesterfield, USA, [7] SMS Medical College Hospital, Jaipur, India, [8] Wroclaw Medical University, Poland, [9] Clinical Hospital No.2, Rzeszów, Poland, [10] Ternopil National Medical University, Ternopil Oblast, Ukraine, [11] Gilead Sciences Inc, USA, [12] Galapagos NV, [13] Tokyo Medical and Dental University, Tokyo, Japan, [14] University Medical Center Schleswig-Holstein, Kiel, Germany, [15] University Hospital, Zurich, Switzerland, FRIDAY 05/03 FRIDAY [16] Kitasato Institute Hospital, Tokyo, Japan, [17] Western University, London, Canada

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IBD-BIRD ROOM: BRUSSELS

■ 16:45 Q&A ■ 16:50 Invited Lecture : Intestinal Ultrasound in IBD: what is the Current Evidence? Christian Maaser (Lüneburg, Germany) ■ 17:05 Invited Lecture : Stricturoplasy, is there still any Place for Resections? André d’Hoore (UZ Leuven) ■ 17:20 Invited Lecture : Adolescents and Young Adults with Crohn’s Disease: Health Literacy and Transition of Care. WEDNESDAY 03/03 WEDNESDAY Els Van De Vijver (UZ Antwerpen) & Gigi Veereman (UZ Brussel) ■ 17:35 Q&A ■ 17:55 K01 First experiences with Modulife® in inducing remission in pediatric Crohn patients in Belgium. E. Snoeck (1), E. Van De Vijver (2), A. Van Gils (2), N. Moes (2), I. Hoffman (3), B. Hauser (4), G. Veereman (4), R. De Bruyne (1), S. Van Biervliet (1), M. Van Winckel (1), S. Vande Velde (1) / [1] UZ Gent, [2] UZ Antwerpen, [3] UZ Leuven, [4] VUB, Jette ■ 18:00 I13 Positioning strictureplasty in the treatment of extensive Crohn’s disease ileitis. A comparative study with ileocecal resection. G. Bislenghi (1), S. Fieuws (2), A. Wolthuis (1), D. Vanbeckevoort (1), J. Sabino (1), M. Ferrante (1), S. Vermeire (1), A. D’hoore (1) / [1] UZ Leuven, [2] KU Leuven ■ 18:05 Q&A ■ 18:10 I14 Evaluation of trough level and disease activity after switch from adalimumab originator (Humira®) to biosimilar (Imraldi®) in patients with inflammatory bowel disease: 6 months interim analysis of the SafE-OrBi study. N. Deprez (1), T. De Somer (2), D. Baert (2), M. Deceuninck (3), I. Huys (4), V. Mattens (5), A. Sterckx (5), S. Vanden Branden (5), E. Vanderstraeten (2), J. Vandervoort (5), N. Van Heddegem (2), P. Dewint (2) / [1] U Gent, [2] AZ Maria Middelares, Gent, [3] Sint Vincentius Deinze, [4] Maria Middelares Ziekenhuis, Gent, [5] OLV Aalst ■ 18:15 I15 Acceptance of switch, patient satisfaction and adverse events after switch from adalimumab originator (Humira®) to biosimilar (Imraldi®) in patients with inflammatory bowel disease: 6-month interim analysis of the SafE-OrBi study. T. De Somer (1), N. Deprez (2), D. Baert (1), M. Deceuninck (3), I. Huys (1), V. Mattens (4), A. Sterckx (4), S. Vanden Branden (4), E. Vanderstraeten (1), J. Vandervoort (4), N. Van Heddegem (1), P. Dewint (1) / [1] AZ Maria Middelares, Gent, [2] U Gent, [3] Sint Vincentius Deinze, [4] OLV Aalst ■ 18:20 Q&A ■ 18:25 Award Ceremony, Closing Remarks ■ 18:30 General Assembly of the Scientific Group FRIDAY 05/03 FRIDAY

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BASL-BLIC ROOM: ANTWERP

08:30-10:00 - SESSION 1 Moderators : J. Delwaide (CHU Liège), T. Vanwolleghem (UZ Antwerpen)

■ 08:30 A01 The impact of rifaximin on the hospital burden and infections in patients with hepatic encephalopathy: a retrospective observational study. J. De Graeve, T. Delvaeye, S. De Lepeleere, T. De Somer, C. Van Steenkiste / Maria Middelares Ziekenhuis, Gent ■ 08:40 A02 NOX1 inhibition attenuates the development of a pro-tumorigenic environment in experimental hepatocellular carcinoma. H. Degroote (1), A. Vandierendonck (2), B. Vanderborght (2), X. Verhelst (1), A. Geerts (1), L. Devisscher (2), H. Van Vlierberghe (1) / [1] UZ Gent, [2] U Gent ■ 08:50 A03 Human and mouse precision-cut liver slices as a dynamic tool to model liver fibrosis. Dewyse (1), V. De Smet (1), H. Reynaert (2), L. Van Grunsven (1) / [1] VUB Brussel, [2] UZ Brussel ■ 09:00 A04 Hypoxia-induced angiogenesis rescues survival upon extended hepatectomy in mice. M. De Rudder (1), A. Dili (2), B. Pirlot (1), C. Bouzin (1), I. Leclercq (1) / [1] UCL Brussels, [2] CHU UCL ■ 09:10 A05 Intensive lifestyle management improves steatosis and fibrosis in pediatric non-alcoholic fatty liver disease. S. Lefere (1), E. Dupont (2), K. De Boeck (2), A. De Guchtenaere (1), S. Van Biervliet (1), S. Vande Velde (1), X. Verhelst (1), L. Devisscher (1), H. Van Vlierberghe (1), A. Geerts (1), R. De Bruyne (1) / [1] U Gent, [2] Zeepreventorium, De Haan ■ 09:20 A06 Relative in vivo antiviral potency of pegIFN-lambda vs -alpha against HEV. G. Sari (1), C. Mulders (1), M. Van De Garde (1), J. Zhu (2), G. Van Oord (1), Z. Feng (2), J. Kreeft-Voermans (2), A. Boonstra (1), T. Vanwolleghem (3) / [1] U Erasmus MC Rotterdam, The Research Institute, Ohio, USA, [2] UZA Antwerpen

THURSDAY 04/03 THURSDAY Moderator : I. Borbath (UCL Saint-Luc, Brussels)

■ 09:30 Brohée lecture: Advances in the approach to pulmonary vascular complications of liver disease. Sarah Raevens (UZ Gent)

■ 10:00 - 10:30 Satellite Symposium EISAI / MSD: Crowded HCC treatment landscape and busy COVID-19 times: where does lenvatinib stand? Speaker: Willem Lybaert / / AZ Nikolaas – AZ Lokeren – UZ Antwerpen

■ 10:30 BREAK FRIDAY 05/03 FRIDAY

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BASL-BLIC ROOM: ANTWERP

10:45-11:15 Moderator : D. Ysebaert (UZ Antwerpen)

■ 10:45 BELIAC lecture : COVID-19 in liver transplant patients and liver candidates -what have we learnt so far? Wojtek Polak / Erasmus MC, Rotterdam, The Netherlands

11:15-12:40 - SESSION 2 Moderators : A. Geerts (UZ Gent), T. Gustot (ULB Erasme)

■ 11:15 A07 Restoration of altered bile acid pool inhibits the development of nonalcoholic steatohepatitis. J. Gillard (1), A. Tailleux (2), C. Sempoux (3), B. Staels (2), L. Bindels (1), I. Leclercq (1) / [1] UC Louvain, [2] University of Lille, France, [3] CHUV Lausanne, Switzerland ■ 11:27 A08 Multicellular primary mouse liver spheroids for DILI, MAFLD and fibrosis studies. E. Van Os, L. Cools, N. Eysackers, A. Smout, S. Verhulst, I. Mannaerts, L. Van Grunsven / VUB Brussel ■ 11:39 A09 Acute liver decompensation following bariatric surgery in patients without cirrhosis: clinical presentation, histological findings and management. P. Vande Berg (1), A. Ulaj (1), G. De Broqueville (1), M. De Vos (2), B. Delire (1), P. Hainaut (1), J. Thissen (1), P. Stärkel (1), P. Henry (1), M. Komuta (1), N. Lanthier (1) / [1] UC Louvain, [2] Hôpital Jolimont, Haine-Saint-Paul ■ 11:51 A10 Altered gut adaptive immune surveillance favors microbial translocation and correlate with progressive alcoholic liver disease in humans. L. Maccioni (1), B. Pirlot (1), I. Leclercq (1), Y. Horsmans (1), B. Schnabl (2), P. Stärkel (1) / [1] UC Louvain, [2] University of California San Diego, USA

THURSDAY 04/03 THURSDAY ■ 12:03 A11 Feasibility of systemic treatment after progression following radioembolization in patients with hepatocellular carcinoma: a retrospective cohort study. C. Van Laeken , S. Cappuyns, G. Maleux, V. Vandecaveye, C. Verslype, C. Deroose, J. Dekervel / UZ Leuven ■ 12:15 A12 Muscle fat content is strongly associated with NASH and decreases upon NASH resolution: a longitudinal biopsy-proven study in obese patients. M. Nachit (1), W. Kwanten (2), J. Thissen (1), B. Op De Beeck (2), L. Van Gaal (2), L. Vonghia (2), A. Verrijken (2), A. Driessen (2), Y. Horsmans (3), I. Leclercq (1), S. Francque (2). / [1] UCL, [2] UZ Antwerpen, [3] UCL Saint-Luc, Brussels ■ 12:27 A13 A profibrotic role for the orphan G-protein coupled receptor 176 during hepatic stellate cell activation. V. De Smet (1), S. Verhulst (1), L. Dewyse (1), M. Kazemzadeh Dastjerd (1), G. Halder (2), I. Mannaerts (1), L. Van Grunsven (1) / [1] VUB Brussel, [2] KU Leuven

■ 12:40 BREAK

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BASL-BLIC ROOM: ANTWERP

13:20-14:00 Moderator : F. Nevens (UZ Leuven)

■ 13:20 Marc Hautekeete Lecture : NaMELD: impact on liver transplantation and survival on waiting list. Hans De Ferrante / The Netherlands

■ 14:00 - 14:30 Satellite Symposium ALNYLAM: Unexplained severe diffuse abdominal pain, don’t miss the Diagnosis. Speaker: Prof. D. Cassiman, UZ Leuven

14:30-15:45 - SESSION 3 Moderators : E. Trepo (ULB), D. Ysebaert (UAntwerpen)

■ 14:30 A14 Contribution of monocytes to systemic inflammation in alcohol use disorder patients. J. Kasavuli, L. Maccioni, B. Pirlot, I. Leclercq, P. Stärkel / UCL Brussels ■ 14:40 A15 Characterization of the inflammatory microenvironment and hepatic macrophage subsets in experimental hepatocellular carcinoma models. H. Degroote (2), S. Lefere (1), A. Vandierendonck (1), B. Vanderborght (1), T. Meese (1), F. Van Nieuwerburgh (1), X. Verhelst (2), A. Geerts (2), H. Van Vlierberghe (1), L. Devisscher (1) / [1] U Gent, [2] UZ Gent ■ 14:50 A16 Has the 5-year mortality of patients with alcoholic cirrhosis changed during the last 20 years? ... The reality is that patients die just as much, but in a different

THURSDAY 04/03 THURSDAY way. E. Kaze, J. Henrion / Centres Hospitaliers Jolimont ■ 15:00 A17 Comparison of clinic-biochemical risk scores versus ultrasound for steatosis detection in subjects with type 1 diabetes. J. Mertens, J. Weyler, E. Dirinck, L. Vonghia, L. Mortelmans, C. De Block, S. Francque / UZ Antwerpen ■ 15:10 A18 The prevalence of NAFLD in a cohort of type 1 diabetes subjects based on non- invasive assessment and its association with macrovascular complications. J. Mertens, J. Weyler, E. Dirinck, L. Mortelmans, L. Vonghia, C. De Block, S. Francque / UZ Antwerpen ■ 15:20 A19 The effects of oral bosentan treatment on the increased intrahepatic vascular resistance and disease severity in high fat high fructose diet-fed Zucker fatty rats with hepatic steatosis. D. Van Der Graaff (1), W. Kwanten (2), J. De Man (1), B. De Winter (1), L. Vonghia (2), S. Francque (2) / [1] U Antwerpen, [2] UZ Antwerpen ■ 15:30 BASL Best Basic and Clinical Prize ■ 15:45 BASL General Assembly

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Case Report ROOM: BRUSSELS

09:00-10:15 - SESSION 1 Moderators : D. De Looze (UZ Gent), C. Vankemseke (CHU Liège)

■ 09:00 C01 Purtscher’s-like retinopathy associated with acute alcoholic pancreatitis, a case report. F. Anné (1), D. Coevoet (1), W. Verlinden (2) / [1] UGent, [2] AZ Nikolaas ■ 09:15 C02 A case of Secukinumab induced inflammatory bowel disease. E. Pollet, K. Plovie, L. Bossuyt, G. Deboever, M. Cool, G. Lambrecht / AZ Damiaan, Oostende ■ 09:30 C03 Cardiogenic Shock due to Mesalazine-induced Myocarditis in a Patient with Ulcerative Colitis: A Case Report. C. Severi, M. Struyve / Ziekenhuis Oost Limbug (ZOL), Genk ■ 09:45 C04 Erythema multiforme in the esophagus. J. Vandewalle (1), P. Van Eyken (2), M. Struyve (2) / [1] KU Leuven,[2] Ziekenhuis Oost Limbug (ZOL), Genk ■ 10:00 C05 Endoscopic lithotripsy for Bouveret syndrome complicated postoperatively by small bowel obstruction from gallstone fragments. R. Huynh (1), J. Rabindran (2), D. Goonawardhana (2), G. Becerril-Martinez (2) / [1] University of New South Wales, Sydney, Australia, [2] Concord Repatriation General Hospital, Concord, Australia

■ 10:15 BREAK

10:30-11:45 - SESSION 2 Moderators : D. De Looze (UZ Gent), C. Vankemseke (CHU Liège)

■ 10:30 C06 EUS-guided radiofrequency ablation for a left adrenal oligometastasis of a THURSDAY 04/03 THURSDAY gastric adenocarcinoma. M. Figueiredo Ferreira, L. Mans, J. Deviere, J. Van Laethem / CUB ULB Erasme ■ 10:45 C07 Rapid deterioration of a patient in the Emergency Room: No time to waste! N. Thelinge MD (1), M. Abasbassi MD (2), L. Nuyten MD, F. (2), De Burghgraeve (2), T. Verhamme MD (2), M Cool MD (2), G. Deboever (2), G. Lambrecht MD (2)/ [1] KU Leuven [2] AZ Damiaan ■ 11:00 C08 An unexpected rectal mass. T. De Somer (1), A. Jauregui Amezaga (2), N. Komen (2), B. Op De Beeck (2), T. Jardinet (2), H. De Schepper (2) / [1] Maria Middelares Ziekenhuis, Gent, [2] UZ Antwerpen ■ 11:15 C09 Gastric amyloidosis: unusual cause of massive upper digestive bleeding. B. Deressa, L. Poelmans, R. Bestman, F. Lockefeer, O. Peters / Monica, Deurne ■ 11:30 C10 Unusual cause of low abdominal pain: colon perforation due to a spontaneous migration of an intrauterine device. F. Gelders (1), J. Vandewalle (1), M. Struyve (2) / [1] UZ Leuven, [2] Ziekenhuis Oost Limbug (ZOL), Genk FRIDAY 05/03 FRIDAY

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BeSPGHAN ROOM: BRUSSELS

■ 13:00-14:00 General Assembly BeSPGHAN

14:00-15:10 - SESSION 1 Moderators : I. Paquot (CHC Liège), P. Alliet (Jessa Hasselt)

■ 14:00 Invited Lecture : To biopsy or not – new ESPGHAN recommendations for celiac disease. S. Collinet / CHC Liège ■ 14:25 K02 Child with protein losing enteropathy as presentation of collagenous duodenitis and eosinophilic gastroenteritis. M. De Keukelaere (1), K. Van Hoeve (2), I. Hoffman (2) / [1] Imelda Hospital, Bonheiden, [2] UZ Leuven ■ 14:35 Invited Lecture : New ESPGHAN guidelines for feeding psychomotor impaired patients. K. Huysentruyt / KHC UZ Brussel ■ 15:00 K03 Is there a correlation between symptoms suggestive for gastroparesis and results of gastric emptying breath test in children? B. Hauser, K. Huysentruyt, G. Veereman, E. De Greef, T. Devreker, Y. Vandenplas / KHC UZ Brussel

■ 15:10 - 15:40 Satellite Symposium ABBVIE: Multidisciplinary clinic for care and transition of children and adolescents with IBD Speaker: Prof. Veereman / UZ Brussel THURSDAY 04/03 THURSDAY ■ 15:40 BREAK

15:50-17:00 - SESSION 2 Moderators : I. Hoffman (UZ Leuven), S. Vande Velde (UZ Gent)

■ 15:50 Invited Lecture : Modulen/Modulife: a cost effective therapy in Crohn’s disease. F. Smets /UCL Brussels, S. Vande Velde / U Gent. ■ 16:10 K04 Development of a clinical risk score for signifi cant liver fi brosis in pediatric non- alcoholic fatty liver disease. S. Lefere (1), E. Dupont (2), K. De Boeck (2), A. De Guchtenaere (3), S. Van Biervliet (3), S. Vande Velde (3), X. Verhelst (1), L. Devisscher (3), H. Van Vlierberghe (1), A. Geerts (1), R. De Bruyne (3) / [1] U Gent, [2] Zeepreventorium, De Haan, [3] UZ Gent ■ 16:20 Invited Lecture : Is a vegan diet feasible in childhood? T. Bosmans / KU Leuven ■ 16:50 K05 Towards automated scoring of stool consistency in diapers using a digital tool. K. Huysentruyt (1), L. Thomas (2), Y. Vandenplas (1) / [1] KidZ Health Castle, UZ Brussel, [2] Danone, Utrecht, Netherlands (the), Nutricia Research FRIDAY 05/03 FRIDAY

| 12 | PAVILLON 2

GIREM ROOM: GENT

08:30-10:25 - SESSION 1 Moderators : W. Boesmans (Hasselt University), G. Matteoli (KU Leuven)

■ 08:30 Invited Lecture : Neuronal diversity in the enteric nervous system – from development to circuits. U. Marklund (Karolinska Institutet, Stockholm, Sweden) ■ 09:15 B01 Enteric glia cell and macrophage interaction in health and disease. L. Van Baarle (1), S. Abdu Rahiman (1), M. Stakenborg (1), V. De Simone (1), S. Ibiza Martinez (2), G. Matteoli (1) / [1] KU Leuven, [2] U Antwerpen ■ 09:30 B02 Extracting neuronal activity signals from ENS microscopy recordings of contractile tissue: a cell tracking approach using B-spline Explicit Active Surfaces (BEAS). Y. Kazwiny (1), J. Pedrosa (2), Z. Zhang (1), W. Boesmans (3), J. D’hooge (1), P. Vanden Berghe (1) / [1] KULeuven, [2] INESC TEC, Portugal, [3] Hasselt University ■ 09:45 B03 The enteric nervous system (ENS) responds to host-derived and bacterial amyloids by activating a pro-inflammatory gene circuit. P. Verstraelen, N. De Loose, R. Verboven, S. Van Remoortel, W. De Vos, J. Timmermans / U Antwerp ■ 10:00 B04 Study on the role of muscularis macrophages in aging-associated neurodegeneration and constipation. M. Viola, M. Chavero Pieres, N. Stakenborg, E. Modave, N. Fabre, I. Appeltans, J. Van Herck, A. Sifrim, G. Boeckxstaens / KU Leuven ■ 10:15 B05 Pitch : Tyramid-amplified immunostaining reveals amyloid in the gut. R. Verboven, P. Verstraelen, S. Van Remoortel, W. De Vos, J. Timmermans / U Antwerpen ■ 10:20 B06 Pitch : Dissecting TLR-mediated immune responses to amyloids in the enteric nervous system. N. De Loose, P. Verstraelen, S. Van Remoortel, J. Timmermans, W. De Vos / U Antwerpen THURSDAY 04/03 THURSDAY ■ 10:25 BREAK

10:45-12:35 - SESSION 2 Moderators : A. Smet (U Antwerp), T. Vanuytsel (KU Leuven)

■ 10:45 B07 Characteristics of a population visiting a patient centred informative website: prevalence of Rome IV criteria for irritable bowel syndrome and red flag symptoms. K. Van Malderen, J. De Man, B. De Winter, H. De Schepper / U Antwerpen ■ 11:00 B08 Aerosol-generating and droplet spread in nasogastric intubation in the COVID-19 era. I. Huang (1), W. Verbeure (1), A. Geeraerts (1), L. Timmermans (2), J. Tóth (1), H. Geysen (1), L. Cools (1), F. Carbone (1), J. Schol (1), H. Devriese (2), R. Haesaerts (2), H. Mori (1), T. Vanuytsel (2), J. Tack (1) / [1] KULeuven, [2] UZ Leuven ■ 11:15 B09 Bismuth-based vs. standard triple therapy for the eradication of Helicobacter pylori in Belgium: final results of a multicentre, non-blinded randomized, prospective study. François S. (1), Mana F. (2), Saminou R. (3), Lamy V. (4), Cadranel S. (5), Bontems P. (5), Miendje Deyi V. (3), Macken E. (6), Kindt S. (1) / [1] UZ Brussel, [2] Sint-Jan, Brussel,

FRIDAY 05/03 FRIDAY [3] ULB Saint-Pierre, [4] CHU , [5] ULB HUDERF, [6] UZ Antwerpen

| 13 | PAVILLON 2

GIREM ROOM: GENT

■ 11:30 B10 Duodenal mucosal gene expression is associated with duodenal permeability and affected by proton pump inhibitor therapy in functional dyspepsia. M. Ceulemans (1), L. Wauters (1), K. Geboers (1), A. Accarie (1), J. Toth (1), G. De Hertogh (2), J. Tack (1), T. Vanuytsel (1) / [1] KU Leuven, [2] UZ Leuven ■ 11:45 B11 Prevalence of double incontinence in patients with fecal incontinence and associated factors. M. Surmont, B. Roossens, S. Kindt / UZ Brussel ■ 12:00 B12 Efficacy of a new approach to the reintroduction phase of the low-FODMAP diet in IBS patients. Z. Mariën (1), K. Van Den Houte (1), E. Colomier (1), J. Schol (1), J. Van Den Bergh (2), J. Vanderstappen (2), N. Pauwels (2), C. Matthys (2), T. Vanuytsel (2), F. Carbone (1), J. Tack (2) / [1] KU Leuven, [2] UZ Leuven ■ 12:15 B13 Efficacy and safety of spore-forming probiotics in functional dyspepsia: a randomised placebocontrolled trial. L. Wauters (1), M. Ceulemans (2), K. Geboers (1), J. Toth (2), D. Walgraeve (3), W. Thys (4), R. Dybajlo (5), J. Tack (1), T. Vanuytsel (1) / [1] UZ Leuven, [2] KU Leuven, [3] Jessa Ziekenhuis, Hasselt, [4] MY RESEARCH, Diepenbeek, [5] MY HEALTH, Kermt ■ 12:30 B14 Pitch : Symptoms and duodenal mucosal integrity and are improved by a dietary intervention in functional dyspepsia. K. Van Den Houte (1), F. Carbone (1), J. Toth (1), Z. Mariën (1), K. Haugen Sandvik (1), J. Schol (1), E. Colomier (1), J. Van Den Bergh (2), J. Vanderstappen (2), N. Pauwels (2), C. Matthys (2), T. Vanuytsel (2), J. Tack (2) / [1] KU Leuven, [2] UZ Leuven

■ 12:35 BREAK

13:30-15:00 - SESSION 3

THURSDAY 04/03 THURSDAY Moderators : L. Devisscher (U Gent), R. Farré (KU Leuven)

■ 13:30 B15 Aberrant MUC13 expression as prognostic marker for gastric cancer. B. Oosterlinck (1), T. Breugelmans (1), J. De Man (1), K. Geboes (2), J. Kupcinskas (3), A. Link (4), B. De Winter (1), A. Smet (1) / [1] U Antwerpen, [2] UZ Gent, [3] Lithuanian University of Health Sciences, Kaunas, Lithuania, [4] Otto von Guericke University Magdeburg, Germany ■ 13:45 B16 A role for short-chain fatty acids in the disruption of the circadian clock during chronic jetlag? L. Desmet, T. Thijs, A. Segers, R. Mas, K. Verbeke, I. Depoortere / KULeuven ■ 14:00 B17 Disruption of the gut-liver axis in experimental sclerosing cholangitis and colitis triggers compositional and phenotypical changes in hepatic myeloid cell subsets. K. De Muynck, T. Meese, B. Vanderborght, S. Lefere, A. Geerts, X. Verhelst, F. Van Nieuwerburgh, H. Van Vlierberghe, L. Devisscher / U Gent ■ 14:15 B18 Unpredictable early life adversity in female rats disrupts the epigenetic regulation of stress-induced visceral pain in adulthood. T. Louwies, B. Greenwood-Van Meerveld / Oklahoma University Health Sciences Center, Oklahoma City, USA ■ 14:30 Invited Lecture : Mechanisms of Stress-Induced Visceral Pain. B. Greenwood-Van Meerveld (Oklahoma University, USA) ■ 15:00 Closing remarks FRIDAY 05/03 FRIDAY

| 14 | PAVILLON 2

BSGIE ROOM: LIEGE

■ 13:30 - 14:00 Satellite Symposium MEDTRONIC: SEDATION IN ENDOSCOPY Managing the risks of conscious sedation for enhanced patient safety. Speakers: Prof. Dr. Bisschops, Prof. Dr. Van de Velde

Part 01

Moderator : C. Snauwaert (AZ Sint-Jan Brugge-Oostende, Brugge / UCL Saint-Luc, Brussels)

■ 14:00 Introduction Raf Bisschops, BSGIE President

■ 14:05 Invited Lecture : POEM for esophageal achalasia. Haruhiro Inoue / Digestive Disease Center, Showa University Koto Toyosu Hospital Japan

14:30-15:10 - SESSION 1 : OUTCOMES OF ENDOSCOPIC THERAPY Moderators : P. Eisendrath (ULB Saint-Pierre, Brussels), P. Deprez (UCL Saint-Luc, Brussels), S. Van Langendonck (AZ Maria Middelares, Gent)

■ 14:30 G01 Prevalence and detection of early adverse events following POEM in a single- center patient cohort – why performing post-procedural imaging or endoscopy can be omitted. Nullens S., Oude Nijhuis R., Oors J., Bastiaansen B., Fockens P., Bredenoord A. / Academic THURSDAY 04/03 THURSDAY Medical Center, Amsterdam, The Netherlands ■ 14:36 G02 Impact of endoscopic duodenal and ampullary resection in familial adenomatous polyposis patients: Spigelman classifi cation can be considered as outdated due to a low risk of invasive cancer in patients with regular follow-up and endoscopic resection, even in stage III and IV. Belhassine M. (1), Pérez-Cuadrado Robles E. (2), Leonard D. (3), Kartheuser A. (3), Karin D. (3), Hélène D. (3), Deprez P. (1) / [1] UCL Saint-Luc, Brussels, [2] Hôpital Européen Georges Pompidou, Paris, France, [3] UCL Saint-Luc, Brussels ■ 14:42 G03 Endoscopic dilation of post-sleeve gastrectomy stenosis: long-term effi cacy and safety results. Lorenzo D., Gkolfakis P., Lemmers A., Louis H., Huberty V., Blero D., Devière J. / ULB Erasme, Brussels ■ 14:48 G04 Pneumatic balloon dilation for the treatment of post-fundoplication symptoms: long-term effi cacy and safety results. Gkolfakis P., Lorenzo D., Blero D., Louis H., Lemmers A., Arvanitakis M., Pierre E., Devière J. / ULB Erasme, Brussels ■ 14:54 G05 Endoscopic mucosal resection of colorectal polyps: results, adverse events and two-year outcome. Chaoui I., Demedts I., Roelandt P., Willekens H., Bisschops R. / UZ Leuven ■ 15:00 Discussion FRIDAY 05/03 FRIDAY

| 15 | PAVILLON 2

BSGIE ROOM: LIEGE

15:10-15:36 - SESSION 2 : BILIO-PANCREATIC ENDOSCOPY Moderators : P. Hindryckx (UZ Gent), A. Lemmers (ULB Erasme, Brussels), M. Struyve (Ziekenhuis Oost-Limburg, Genk)

■ 15:10 G06 Pre-procedural Imaging Does not Predict Technical Failure of EUS- guided Intrahepatic Biliary Drainage: Post-hoc Analysis from a Large Retrospective Cohort. Bronswijk M. (1), Vanella G. (2), Van Der Merwe S. (1) / [1] UZ Leuven, [2] IRCCS San Raffaele Scientific Institute, Milan, Italy ■ 15:16 G07 Biliary and pancreatic endoscopy in patients with previous Whipple’s duodenopancreatectomy: Is enteroscopy-assisted ERCP the first choice? Garcés-Duran R., Monino L., Deprez P., Piessevaux H., Moreels T. / UCL Saint-Luc, Brussels ■ 15:22 G08 Endoscopic management of biliopancreatic pathology in patients with Roux- en-Y gastric bypass: lessons learned from multiple options. Monino L., Garces-Duran R., Piessevaux H., Deprez P., Moreels T. / UCL Saint-Luc, Brussels ■ 15:28 G09 About the diagnosis and treatment of suspected bile duct pathology in Roux- en-Y liver transplant patients. Moreels T., Monino L., Dahlqvist G., Delire B., Coubeau L., Ciccarelli O., Bonaccorsi Riani E., Goffette P., Sokal E., Piessevaux H. / UCL Saint-Luc, Brussels ■ 15:36 Discussion

Part 02

THURSDAY 04/03 THURSDAY Moderator : E. Toussaint (CHU Charleroi / ULB Erasme, Brussels)

15:46-16:43 - SESSION 3 : IMPROVING QUALITY IN ENDOSCOPY Moderators : T. Moreels (UCL Saint-Luc, Brussels), M. Aerts (UZ Brussel, Brussels), G. Rasschaert (UZ Brussel, Brussels)

■ 15:46 G10 Computer Aided Detection (CADe) in colonoscopy: an end-user experience using two systems. Van Langendonck S. (1), Corens P. (2), Stragier E. (3) Vanderstraeten E. (1), Walgraeve D. (3), Bouhadan S. (2), Dewint P. (1) / [1] Maria Middelares Ziekenhuis, Gent, [2] UZ Antwerpen, [3] Jessa Ziekenhuis, Hasselt ■ 15:52 G11 Semi-automated annotation tool outperforms trained medical students and is comparable to clinical expert performance for frame level detection of colorectal polyps. Eelbode T. (1), Ahmad O. (2), Sinonquel P. (3), Kocadag T. (2), Narayan N. (2), Rana N. (2), Maes F. (1), Lovat L. (2), Bisschops R. (3) / [1] KU Leuven, [2] University College London , London, UK, [3] UZ Leuven ■ 15:58 G12 Implementation of Aldrete’s scoring system significantly reduces recovery time after procedural sedation by more than 20%. FRIDAY 05/03 FRIDAY Roelandt P. (1), Haesaerts R. (1), Missotten R. (2), Desmet E.(2), Demedts I. (1), Bisschops R. (1) / [1] UZ Leuven, [2] KU Leuven

| 16 | PAVILLON 2

BSGIE ROOM: LIEGE

■ 16:04 G13 Assessment of the clinical impact of postponing endoscopic procedures using risk stratification during COVID-19 pandemic: a prospective systematic multicentric study. Ouazzani S. (1), Golfakis P. (1), Lemmers A. (1), Blero D. (1) Eisendrath P. (2), Deviere J. (1) / [1] ULB Erasme, Brussels, [2] ULB Saint-Pierre, Brussels ■ 16:10 Discussion ■ 16:20 Invited Lecture : Endoscopic management of gastrointestinal motility disorders: ESGE guidelines Bas WEUSTEN / Utrecht, The Netherlands

16:45-17:15 - SESSION 4 : INNOVATIONS IN THERAPEUTIC ENDOSCOPY Moderators : P. Dewint (AZ Maria Middelares, Gent / UZ Antwerpen), P. Deprez (UCL Saint-Luc, Brussels), Y. Mourabit (ULB Erasme, Brussels)

■ 16:45 G14 Laparoscopic versus EUS-guided Gastroenterostomy for Gastric Outlet Obstruction: An International Multicenter Propensity Score-Matched Comparison. Bronswijk M. (1), Vanella G. (2), Van Malenstein H. (3), Laleman W. (3), Jaekers J. (3), Topal B. (4), Daams F. (4), Besselink M. (4), Arcidiacono P. (2), Voermans R. (4), Fockens P. (4), Larghi A. (2), Van Wanrooij R. (4), Van Der Merwe S. (3) / [1] Imelda General Hospital, Bonheiden, [2] IRCCS San Raffaele Scientific Institute, Milan, Italy, [3] UZ Leuven, [4] UMC, Amsterdam, Netherlands (the) ■ 16:51 G15 Technique, safety and feasibility of EUS-guided radiofrequency ablation of pancreatic tumors and oligo-metastatic disease: an observational, prospective multicenter registry. Figueiredo Ferreira M. (1), Hindryckx P. (2), Eisendrath P. (3), Deviere J. (1), Deprez P. (4), Monino L. (4), Van Laethem J. (1), Borbath I. (4) / [1] ULB Erasme, Brussels, [2] UZ Gent, [3] ULB Saint-Pierre, Brussels, [4] UCL Saint-Luc, Brussels

THURSDAY 04/03 THURSDAY ■ 16:57 G16 Magnetic Gastrointestinal Universal Septotome: first results of a pilotstudy in Epiphrenic Esophageal Diverticulum. Blero D. / ULB Erasme, Brussels ■ 17:03 G17 Endoscopic management of buried bumper syndrome: the Balloon Dilation Pull (BDP) technique: a case series. Maly M., Snauwaert C. / AZ Sint-Jan Brugge-Oostende ■ 17:09 Discussion

■ 17:15 Award Ceremony Best abstract & best presentation FRIDAY 05/03 FRIDAY

| 17 | Working Group of PAVILLON 1 Digestive Pathology ROOM: ANTWERP

10:00-12:00 - SESSION 1 Moderators : A. Hoorens (UZ Gent), N. D’Haene (ULB Erasme, Brussels)

■ 10:00 R01 A unique case of duodenal mass requiring pancreaticoduodenectomy: giant Brunner’s gland hamartoma. K. Paquet (1), I. Van Den Berghe (2) / [1] KULeuven, [2] AZ Sint-Jan Brugge-Oostende ■ 10:15 R02 Automatic embedding technique for histopathological examination results in increased R0 resection rates for endoscopic submucosal dissection. L. Verset (1), A. Bucalau (2), M. Figueiredo (2), J. Devière (2), V. Huberty (2), P. Demetter (1), A. Lemmers (2) / [1] ULB Bordet, Brussels, [2] ULB Erasme, Brussels ■ 10:30 R03 Pancreatic medullary carcinoma developed on a Pancreatic Intraductal Papillary Mucinous Neoplasm with loss of MSH2 and MSH6 expression. C. Verocq (1), M. Racu (1), D. Bafort (2), G. Butorano (2), L. Perez-Casanova Gomez (1), J. Navez (1), M. Witterwulghe (3), K. Sheahan (4), N. Swan (4), J. Closset (1), J. Van Laethem (1), C. Maris (1), N. D’haene (1) / [1] ULB Erasme, Brussels, [2] CurePath,Charleroi, [3] CHIREC, Brussels, [4] St. Vincent’s University Hospital, Dublin, Ireland, Pathology ■ 10:45 Invited Lecture : Belgian Cancer Registry guidelines for coding and classification of colorectal lesions from 2020: Implementation of the WHO 2019 classification of serrated lesions and update of the general classification rules. N. Van Damme (Belgian Cancer Registry, Brussels), P. Demetter (ULB Bordet, Brussels) ■ 11:30 R04 Primary tumor budding and histological growth patterns of liver metastases in colorectal cancer C. Tonneau (1), A. Bohlok (1), S. Vankerckhove (1), V. Lucidi (2), F. Sandras (3), L. Craciun (1), V. Donckier (1), P. Vermeulen (4), P. Demetter (1) / [1] ULB Bordet, Brussels, [2] C.U.B. ULB Erasme, Brussels, [3] ULB Erasme, Brussels, [4] Sint Augustinus Ziekenhuis GZA, Antwerpen ■ 11:45 R05 An unusual hepatic vascular tumor in a 3-year old child. M. Ahmed, V. Siozopoulou, T. Chapelle, K. Norga, A. Driessen / UZ Antwerpen

■ 12:00 BREAK FRIDAY 05/03 FRIDAY

| 18 | Working Group of PAVILLON 1 Digestive Pathology ROOM: ANTWERP

13:00-15:30 - SESSION 2 Moderators : A. Driessen (UZ Antwerpen), L. Verset (ULB Bordet, Brussels)

■ 13:00 R06 Grayish macule found in the middle and the lower parts of the esophageal mucosae : a fortuitous discovery. A. Dubail (1), A. Jouret-Mourin (2), P. Collins (3), N. De Suray (4), H. Dano (5) / [1] UCL, Brussels, [2] IPG, Charleroi, [3] Laboratoire CARAD – CHU LIEGE, Laeken (Brussels), [4] Grand Hopital de Charleroi, [5] UCL Saint-Luc, Brussels ■ 13:15 R07 Intratumoral and peritumoral expression of CCR2 in pancreatic adenocarcinoma and its impact on prognosis. C. Bouchart (1), L. Verset (1), P. Demetter (1), A. Boisson (1), M. Hein (2), D. Van Gestel (1), K. Willard-Gallo (1), L. Moretti (1), J. Van Laethem (2) / [1] ULB Bordet, Brussels, [2] ULB Erasme, Bruxelles ■ 13:30 R08 Clinical course and histopathological findings in DGAT1 mutation linked congenital diarrhea. Case report of a 17-year-old patient. E. Deolet, B. Callewaert, J. Geldof, S. Van Biervliet, S. Vande Velde, J. Van Dorpe, M. Van Winckel, A. Hoorens / UZ Gent ■ 13:45 Invited Lecture : Detection and significance of micro-metastases and isolated tumour cells in colorectal cancer lymph nodes. A. Hoorens (UZ Gent) ■ 14:15 R10 Acinar cystic transformation of the pancreas: a case report. M. Ahmed (1), P. De Paepe (1), T. Feryn (1), B. Smet (2), F. Marolleau (2) / [1] AZ Sint-Jan Brugge- Oostende, [2] AZ Delta, Roeselare ■ 14:30 R09 Histological growth patterns of non-colorectal non-breast non-neuroendocrine liver metastases. A. Labar (1), A. Bohlok (1), S. Vankerckhove (1), V. Lucidi (2), P. Demetter (1), P. Vermeulen (3), V. Donckier (1) / [1] ULB Bordet, Brussels, [2] ULB Erasme, [3] Sint Augustinus Ziekenhuis GZA, Antwerpen ■ 14:45 R11 Diagnosis of metastatic cancer in an uncommon location: Importance of clinical- pathological correlation. A. Dubail (1), P. Baldin (2), I. Borbath (2), O. Barbier (2), C. Galant (2) / [1] UCL, Brussels, [2] UCL Saint-Luc, Brussels ■ 15:00 R12 Curious condylomatous lesions of the anal area in a young male patient: not all condylomatous-like lesions are related to HPV infection! J. Schoelinck (1), P. Druez (2), D. Lepore (2), Jl. Dargent (1), A. Jouret-Mourin (1) / [1] Institute of Pathology and Genetics (IPG), Gosselies, [2] GHDC, Charleroi ■ 15:15 R13 Difficulties and pitfalls in the differential diagnosis of IBD: a case report. S. De Froidmont (1)(2), M. Herin (1), B. Calicis (3), P. Warzee (3), G. Beniuga (1), A. Jouret-Mourin (1) / [1] Institut de Pathologie et de Génétique, Gosselies, [2] CHU Liège, [3] Grand Hôpital de Charleroi

■ 15:30 Award Ceremony FRIDAY 05/03 FRIDAY

| 19 | PAVILLON 1

Young BASL ROOM: BRUSSELS

13:00-14:00 - SESSION 1: Viral hepatitis Moderators : Ö. Koc (ZOL), J.-P. Mulkay (ULB Saint-Pierre)

■ 13:00 State of the Art : Tips & tricks for the treatment of hepatitis B. T. Vanwolleghem (UZ Antwerpen) ■ 13:30 State of the Art : Tips & tricks for the treatment of hepatitis E. R. A. De Man (Rotterdam, The Netherlands)

■ 14:00 BREAK

14:10-15:10 - SESSION 2 : Clinical cases Moderators : L. Maccioni (UCL Saint-Luc), J. Verbeek (UZ Leuven)

■ 14:10 C11 Primary hepatic marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue with an underlying chronic hepatitis B virus infection: How about aiming at the virus? G. Rasschaert, F. Massaro, T. Sersté, M. Hodoul, M. Vouche, P. Eisendrath, J. Mulkay / CHU Saint-Pierre, Brussels ■ 14:20 C12 Mildly elevated liver enzymes and steatosis: not always NAFLD. T. De Somer (1), W. Kwanten (2), L. Vonghia (2), T. Vanwolleghem (2), T. Steinhauser (2), A. Driessen (2), J. De Winter (2), J. Baets (2), S. Francque (2) / [1] Maria Middelares Ziekenhuis, Gent, [2] UZ Antwerpen ■ 14:30 C13 Recurrent hepatic encephalopathy: beyond infection and GI bleeding. I. Delaleeuwe, N. Vlassenroot, P. Buydens, S. François, H. Reynaert, S. Kindt / UZ Brussel ■ 14:40 C14 Haematochezia in a patient with liver cirrhosis, a portal hypertensive bleed? J. Meesters (1), K. Gysen (2), W. Kwanten (2), T. Vanwolleghem (2), L. Vonghia (2), A. Steinhauser (2), A. Driessen (2), J. Schouten (3), W. Verlinden (3), S. Francque (2) / [1] U Antwerpen [2] UZ Antwerpen, [3] AZ Nikolaas, Sint-Niklaas ■ 14:50 C15 Cessation of Nucleos(t)ide Analogues in long-term virally suppressed chronic hepatitis B patients – close monitoring is key. S. Van Hees (1), G. Dahlqvist (2), B. Delire (2), L. Coubeau (2), J. Henrion (3), T. Vanwolleghem (1) / [1] UZ Antwerpen, [2] UCL Saint-Luc, Brussels, [3] Centres Hospitaliers Jolimont ■ 15:00 C16 Oxaliplatin induced focal nodular hyperplasia of the liver. A. Van Oosterwyck (1), M. Cool (1), G. Lambrecht (1), M. D’hondt (2), G. Vanneste (2), L. Libbrecht (2), G. Deboever (1) / [1] AZ Damiaan, Oostende, [2] AZ Groeninge, Kortrijk

■ 15:10 BREAK

15:15-16:30 - SESSION 3 : Rising stars in the liver community Moderators : L. Smets (KULeuven), I. Mannaerts (UZ Brussel)

■ 15:15 Best MSD clinical paper at BASL winter meeting: Inhibition of glutamine synthetase in monocytes from patients with acute-on- chronic liver failure resuscitates their antibacterial and inflammatory capacity. Hannelie Korf (UZ Leuven) ■ 15:40 Best MSD basic paper at BASL winter meeting: Angiopoietin-2 promotes pathological angiogenesis and is a therapeutic target in murine non-alcoholic fatty liver disease. Sander Lefere (UGent) ■ 16:05 Young Investigator’s presentation: NAFLD in type 1 diabetes: should we extend our view? Jonathan Mertens (UAntwerpen) FRIDAY 05/03 FRIDAY ■ 16:15 Young Investigator’s presentation: Arthur de Schaetzen ■ 16:25 Closing of meeting

| 20 | BSGIE PAVILLON 2 live endoscopy Symposium ROOM: GENT

Moderators : P. Eisendrath (ULB Saint-Pierre), E. Toussaint (CHU Charleroi), P. Dewint (UZ Gent), A. Lemmers (ULB Erasme)

■ 09:00 Introduction A. Lemmers (ULB Erasme) ■ 09:05-10:30 POEM - Type III Achalasia R. Bisschops (UZ Leuven), V. Huberty (ULB Erasme) Endoscopic treatment of Zenker’s diverticulum-redo, Septotomy D. Blero (ULB Erasme), M. Aerts (UZ Brussel)

CLINICAL CASE presentations by BygGIE (Belgian young group of GI Endoscopists):

■ G21 Michiel Bronswijk (Imeldaziekenhuis Bonheiden)

10:30-10:45 CASE REPORTS will be presented as illustration of the live cases:

■ G18 Minimally Invasive Treatment of a Bulging Appendiceal Orifice: A Case Report. F. Lansink (1), C. Jorissen (1), P. Cuyle (2), M. Bronswijk (2) / [1] KU Leuven, [2] Imelda Hospital, Bonheiden ■ G19 Where does all the air come from? M. Surmont, M. Schils, S. Kindt / UZ Brussel ■ G20 Working under pressure – insufflation-induced gastric barotrauma during esophageal ESD. D. Persyn, D. De Wulf, R. Bisschops / UZ Leuven

■ 10:45-11:15 Video-slides Manometry H. Louis (ULB Erasme) ■ 11:15-12:00 Type I Achalasia – Pneumatic dilation 30mm M. Aerts (UZ Brussel), H. Louis (ULB Erasme) Peg-J/PeJ (discussion G-POEM) M. Arvanitakis (ULB Erasme), Y. Mourabit (CHU Charleroi)

CLINICAL CASE presentations by BygGIE (Belgian young group of GI Endoscopists):

■ G22 Stefan Van Langendonck (AZ Maria Middelares, Gent) ■ G23 Gertjan Rasschaert (UZ Brussel, Brussel) FRIDAY 05/03 FRIDAY

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Best of BWGE 2021! ROOM: GENT

14:00-15:00 Moderators : S. Francque (UZ Antwerpen), I. Colle (ASZ Aalst/UG)

■ GE01 The DOMINO study: Diet Or Medication in primary care patients with Irritable bowel syndrome. F. Carbone (1), K. Van Den Houte (1), L. Besard (2), C. Tack (1), S. Ceulemans (2), J. Biesiekierski (3), C. Matthys (2), J. Arts (4), P. Caenepeel (5), H. Piessevaux (6), A. Vandenberghe (2), M. Jones (7), J. Tack (2) / [1] KULeuven, [2] UZ Leuven, [3] La Trobe University, Victoria, Australia, [4] AZ Sint-Lucas Brugge, [5] Ziekenhuis Oost Limbug (ZOL), Genk, [6] UCL Saint-Luc, Brussels, [7] Macquarie University, Australia

Other best presentations selected by the different session chairs will be included in the session.

We thank you for attending BWGE 2021 in a digital format! FRIDAY 05/03 FRIDAY

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BGDO ROOM: LIEGE

■ 08:00 - 09:00 Satellite Symposium MSD: Evolving landscape of metastatic colorectal cancer management. Speakers: M. Peeters, UZ Antwerpen / E. Van Cutsem, UZ Leuven / M. Van den Eynde, UCL Saint-Luc / P. Pauwels, UZ Antwerpen

09:00-09:50 - SESSION 1 Moderators : S. Carton (AZ Imelda, Bonheiden), E. Van Cutsem (UZ Leuven)

■ 09:00 O01 Across the cross: primary surgery not inferior to neoadjuvant chemoradiotherapy followed by surgery for locally advanced oesophageal adenocarcinoma. A.bouckaert, J. Moons, W. Coosemans, L. Depypere, P. Nafteux / UZ Leuven ■ 09:10 O02 Presumed metastatic, but worthwhile to operate: not all clinically positive cervical lymph nodes imply the same prognosis in oesophageal adenocarcinoma – the correct assumption within TNM 8th for oesophageal cancers. S. Vanstraelen, J. Moons, H. Van Veer, W. Coosemans, P. Nafteux (1), L. Depypere (1) / UZ Leuven ■ 09:20 O03 Response prediction of rectal cancer to chemoradiotherapy: a random subspace decision forest analysis. A. Sermeus, C. Raets, C. El Aisati, B. Engels, T. Gevaert, M. De Ridder, K. Barbé / UZ Brussel ■ 09:30 -09:50 Discussion + Q&A K. Geboes / UZ Gent/UGent ■ 09:50 Flash Ipsen

10:00-10:50 - SESSION 2

■ 10:00 O04 Sequential changes of histological growth patterns of colorectal liver metastases during disease progression. N. El Nakadi (1), A. Bohlok (1), S. Vankerckhove (1), V. Lucidi (2), A. Hendlisz (1), J. Van Laethem (2), P. Demetter (1), V. Donckier (1), P. Vermeulen (6) / [1] ULB Bordet, Brussels, [2] C.U.B. ULB Erasme, Brussels, [3] Sint Augustinus Ziekenhuis GZA, Antwerpen ■ 10:10 O05 The histological growth pattern and the clinico-metabolic characteristics accurately predict the outcome in patients undergoing surgery for colorectal liver metastases. A. Bohlok (1), H. Azema (1), I. Duran Derijckere (1), S. Vankerckhove (1), V. Lucidi (3), J. Van Laethem (2), A. Hendlisz (1), S. Goldman (2), P. Flamen (1), L. Craciun (1), F. Sandras (2), P. Demetter (1), P. Vermeulen (9), V. Donckier (1) / [1] ULB Bordet, Brussels, [2] ULB Erasme, Brussels, [3] Sint Augustinus Ziekenhuis GZA, Antwerpen ■ 10:20 O06 Prognostic value of baseline and early changes of circulating cell-free (cf) DNA in the neoadjuvant setting of early stage colon cancer. G. Bregni (1), E. Trevisi (1), C. Senti (1), A. Pretta (1), C. Vandeputte (1), P. Kehagias (1), E. Acedo Reina (1), A. Deleporte (1), P. Gkolfakis (1), J. Van Laethem (2), P. Vergauwe (3), M. Van Den Eynde (4), G. Deboever (5), J. Janssens (6), G. Demolin (7), S. Holbrechts (8), M. Clausse (9), T. De Grez (10), M. Peeters (11), L. D’hondt (12), K. Geboes (13), T. Besse-Hammer (14), A. Buggenhout (12), F. Rothé (1), P. Flamen (1), A. Hendlisz (1), F. Sclafani (1) / [1] ULB Bordet, Brussels, [2] ULB Erasme, Brussels, [3] AZ Groeninge, Kortrijk, [4] UCL Saint-Luc, Brussels, [5] AZ Damiaan, Oostende, [6] AZ Turnhout, [7] CHC St-Joseph, Liège, [8] CHU Ambroise Paré , [9] UCL Saint-Luc Bouge, Namur, [10] CHR, Namur,

FRIDAY 05/03 FRIDAY [11] UZ Antwerpen, [12] CHU UCL Namur, Site de Godinne, Yvoir, [13] UZ Gent, [14] CHU Brugmann, Brussels ■ 10:30-10:50 Discussion + Q&A P. Pauwels / UZA/UA

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BGDO ROOM: LIEGE

■ 10:50 - 11:20 Satellite Symposium SERVIER: Current & future management of advanced gastric cancer Speaker: E. SMYTH, Cambridge University Hospitals NHS Foundation Trust, UK

11:20-12:10 - SESSION 3 Moderators : L. Mortier (AZ St Maarten, Mechelen), J. Carrasco (Grand Hôpital Charleroi)

■ 11:20 O07 Interim analysis of the AVETUXIRI trial: avelumab with cetuximab and irinotecan for treatment of refractory microsatellite stable (MSS) metastatic colorectal cancer (mCRC) – A proof of concept, open label, non-randomized phase IIA study. N. Huyghe (1), I. Sinapi (2), A. De Cuyper (1), M. Ferrier (1), M. Gilet (2), P. Goffette (1), B. Ghaye (1), A. Van Maanen (1), M. Castella (1), J. Galon (3), J. Carrasco (2), M. Vandeneynde (1) / [1] UCL Saint-Luc, Brussels, [2] Grand Hopital de Charleroi, [3] Centre de Recherche des Cordeliers, Paris, France ■ 11:30 O08 Randomized Phase 2 study comparing pathological responses of resected colorectal cancer metastases (CRCM) after bevacizumab (BEV) with FOLFOX or FOLFIRI (BEV-ONCO trial). P. Baldin (1), G. Beniuga (2), A. Jouret-Mourin (1), G. Demolin (3), S. Roland (4), L. D’hondt (5), P. Vergauwe (6), D. Van Daele (7), M. Mailleux (8), I. Sinapi (9), A. De Cuyper (1), N. Bletard (3), B. Massart (3), M. Delos (5), M. Castella (1), A. Van Maanen (1), J. Carrasco (9), M. Vandeneynde (1) / [1] UCL Saint-Luc, Brussels, [2] IPG, Charleroi, [3] Clinique du Mont Légia, Liège, [4] CHIREC, Brussels, [5] CHU Mont-Godinne, [6] AZ Groeninge, Kortrijk, [7] CHU de Liège, [8] UCL Saint-Luc Bouge, Namur, [9] Grand Hopital de Charleroi ■ 11:40 O09 Sex and regorafenib toxicity in refractory colorectal cancer: a safety analysis of the RegARd-C trial. C. Vandeputte (1), G. Bregni (1), P. Gkolfakis (1), T. Guiot (1), P. Kehagias (1), A. Pretta (1), C. Senti (1), E. Acedo Reina (1), N. Kindt (1), A. Deleporte (1), K. Geboes (2), T. Delaunoit (3), G. Demoulin (4), M. Peeters (5), L. D’hondt (6), J. Janssens (7), J. Carrasco (8), S. Holbrechts (9), J. Goeminne (10), P. Vergauwe (11), J. Van Laethem (12), P. Flamen (1), P. Demetter (13), A. Hendlisz (1), F. Sclafani (1) / [1] ULB Bordet, Brussels, [2] UZ Gent, [3] Hopital de Jolimont, La Louvière, [4] CHC, Liège, [5] UZ Antwerpen, [6] CHU UCL Namur, Yvoir, [7] AZ Turnhout, [8] Grand Hopital de Charleroi, [9] CHU Ambroise Paré, Mons, [10] Cliniques et Maternité Ste Elisabeth Namur, [11] AZ Groeninge, Kortrijk, [12] Erasme Hospital, Brussels, [13] ULB Bordet ■ 11:40 -12:00 Discussion + Q&A Jeroen Dekervel / UZ Leuven ■ 12:10 Flash EISAI/MSD Speaker : Dr Demolin / Clinique du Mont Légia, Liège

12:10-12:55 - SESSION 4

■ 12:20 O10 Tumor-Associated Copy Number Alterations in Plasma Cell-Free DNA from Metastatic Gastroenteropancreatic Neuroendocrine Neoplasm patients. G. Boons (1), T. Vandamme (1), W. Lybaert (2), G. Roeyen (1), T. Rondou (3), K. Papadimitriou (1), K. Janssens (1), W. Demey (4), I. Dero (5), G. Van Camp (1), M. Peeters (1), K. Op De Beeck (1) / [1] U Antwerp/UZ Antwerpen,[2] AZ Nikolaas, Sint-Niklaas, [3] AZ Rivierenland Bornem, [4] AZ Klina,Brasschaat, [5] Sint Augustinus Ziekenhuis GZA, Antwerpen ■ 12:30 O11 First clinical experience with Atezolizumab/Bevacizumab in advanced hepatocellular carcinoma. S. Cappuyns, V. Vandecaveye, T. Roskams, E. Van Cutsem, C. Verslype, J. Dekervel / UZ Leuven FRIDAY 05/03 FRIDAY ■ 12:40 -12:50 Discussion + Q&A Ivan Borbath / UCL ■ 12:50 -12:55 BGDO Award and adjournment, M. Peeters / chair BGDO, UZA

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Belgian Pancreatic Club ROOM: LIEGE

INTRODUCTION PIERRE DEPREZ

Moderators : I. Scheers (UCL, Brussels), G. Roeyen (UZ Antwerpen)

■ 14:00 P01 Splenic vascular patency after spleen and vessel preserving distal pancreatectomy: Is the Kimura technique worth the effort? L. Abreu De Carvalho (1), S. Castro (1), O. Uyttebroek (2), A. Vanlander (1), S. Ribeiro (2), A. Hoorens (2), F. Berrevoet (1) / [1] UZ Gent, [2] KU Leuven ■ 14:15 P02 Total pancreatectomy with islet auto transplantation – a new treatment option For chronic pancreatitis patients in Belgium. H. Van Malenstein (1), D. De Paep (2), Z. Ling (2), H. Verbeke (1), G. Maleux (1), Y. Debaveye (1), S. Van Der Merwe (1), D.jacobs-Tulleneers-Thevissen (2), J. Pirenne (1), P. Gillard (1) / [1] UZ Leuven, [2] UZ Brussel, VUB ■ 14:30 P03 Prevalence of non-alcoholic fatty liver disease after extensive pancreatic surgery in a Belgian cohort. A. De Zutter, M. Van Den Broecke, S. Ribeiro, P. Smeets, L. Abreu De Carvalho, F. Berrevoet, K. Geboes / UZ Gent ■ 14:45 P04 Pancreatic blunt trauma in children: report from the Belgian Pancreatic Trauma Group. I. Scheers (1), G. Roeyen (2), F. Berrevoet (3), I. Hoffman (4), A. Lhomme (5), O. Bauraind (6), M. Delhaye (7), P. Deprez (1) / [1] UCL Saint-Luc, Brussels, [2] UZ Antwerpen, [3] UZ Gent, [4] UZ Leuven, [5] CHR La Citadelle, Liège, [6] Hopital CHC, Liège, [7] ULB Erasme, Brussels ■ 15:00 P05 Icterus caused by annular pancreas and associated intraluminal duodenal diverticulum. J. Vandewalle (1), F. Gelders (1), M. Struyve (2) / [1] KU Leuven, [2] Ziekenhuis Oost Limbug (ZOL), Genk. ■ 15:15 P06 Differential diagnosis for multiple pancreatic cystic lesions. R. Garcés-Duran (1), L. Monino (1), V. Nguenang (2), P. Deprez (1) / [1] UCL Saint-Luc, Brussels, [2] CHR Namur

Moderator : M. Arvanitakis (ULB Erasme, Brussels)

■ 15:30 Invited Lecture: When and how to operate in patients with chronic pancreatitis Prof. Dr. M.G. Besselink (AMC UMC The Netherlands) FRIDAY 05/03 FRIDAY

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ePOSTERS PAVILLON

■ A20 Lower abundance of Clostridium sensu stricto is associated with liver steatosis and fibrosis severity in a prospective cohort of obese patients with metabolic dysfunction-associated fatty liver disease. N. Lanthier, J. Rodriguez, M. Nachit, S. Hiel, P. Trefois, A. Neyrinck, P. Cani, L. Bindels, J. Thissen, N. Delzenne / UCL Saint-Luc, Brussels ■ A21 Endothelin receptor antagonist bosentan improves microvascular structural disruption in a rat model of early NAFLD. D. Van Der Graaff (1), W. Kwanten (2), C. Casteleyn (3), B. De Winter (1), J. De Man (1), L. Vonghia (2), S. Francque (2) / [1] U Antwerpen, [2] UZA Antwerpen, [3] U Gent ■ A22 The prevalence of disorders of the gut brain axis in type 2 diabetes mellitus with non-alcoholic fatty liver disease: preliminary results from an observational study. T. Van Nieuwenhove, G. Rasschaert, S. Kindt, A. Kharagijtsing / UZ Brussel ■ A23 Local control of hepatocellular carcinoma and colorectal liver metastases after microwave ablation only without concomitant hepatectomy. L. Abreu De Carvalho, S. Van Cleven, A. Vanlander, F. Berrevoet/ U Gent ■ A24 Retrospective Audit of the Quality of Intraoperative Cholangiogram during Laparoscopic Cholecystectomy. R. Huynh, M. Magdy, S. Badiani / University New South Wales, Sydney, Australia ■ A25 The role of estimated glucose disposal rate (eGDR) as a predictor of insulin resistance, NAFLD and cardiovascular complications. J. Mertens, J. Weyler, E. Dirinck, L. Vonghia, L. Mortelmans, C. De Block, S. Francque / UZ Antwerpen ■ A26 Ascitic fluid infection in patients with chronic liver disease: A single center study. H. Kamal, S. Kamal, S. Abdelhakam, Y. Massoud, K. Abd El Aziz / University Ain Shams, Egypt ■ A27 Increased prevalence of hepatitis C in patients admitted in psychiatric centres. H. Ruymbeke (1), J. Schouten (2), C. Van Steenkiste (3), S. Bourgeois (4), W. Verlinden (2) / [1] U Gent, [2] AZ Nikolaas, Sint-Niklaas, [3] AZ Maria Middelares, Gent, [4] ZNA Antwerpen

DIGITAL ePOSTERS IBD - BIRD

ePOSTERS PAVILLON

■ I16 Real world effectiveness of ustekinumab and tofacitinib in ulcerative colitis. M. Truyens, J. Geldof, G. Dewitte, A. Peeters, E. Glorieus, T. Lobaton Ortega / UZ Gent ■ I17 Effects of concomitant steroids on a prognostic blood gene expression biomarker for inflammatory bowel disease. D. Alsoud (1), S. Verstockt (1), J. Sabino (1), M. Ferrante (1), N. Noor (2), B. Verstockt (1), S. Vermeire (1) / [1] KU Leuven, [2] Addenbrooke’s Hospital Cambridge University, United Kingdom ■ I18 Single-cell RNA sequencing to unravel the cellular heterogeneity, inter- cellular communication and spatial organization in human intestinal tissue remodelling in Crohn’s disease. B. Ke (2), S. Abdu Rahiman (2), G. Dragoni (2), B. Verstockt (1), G. De Hertogh (2), S. Vermeire (1), G. Matteoli (2) / [1] UZ Leuven, [2] KU Leuven

DIGITAL FRIDAY 05/03 ■ ■ ■ ■

K09 K07 K06 K08 Postponed analysisoflactosehydrogen breath testsamples. randomized, controlled trial. gum, prebiotics andpartly fermentedformulawithpostbiotics:adouble-blind, Safety andtoleranceofanovelanti-regurgitation formulacombiningcarob bean How tomanageconstipation:aBelgiannationalsurvey. M. Willsemsen, V.M. Willsemsen, Kris,Y. Vandenplas /UZBrussel R. DeBruyne/UGent H. Syryn,B.Callewaert,A.Hoorens, S.Vande Velde, M.Van S.Van Winckel, Biervliet,P. Verloo, Y. Vandenplas (1),M.Bellaiche(2)/[1]UZBrussel[2]HôpitalRobertDebré, Paris,France UZ Brussel R. Lemmens,K.Huysentruyt,B.Hauser, E.Degreef, G.Veereman, T. Devreker, Y. Vandenplas / system impairment. Expanding thephenotypicspectrumofmutationsinDCDC2withcentralnervous BeSPGHAN e POSTERS PAVILLON ePOSTERS DIGITAL WITH THE KIND SUPPORT OF

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BAYER • BMS • COOK MEDICAL • EISAI / MSD • GALAPAGOS • IPSEN • NORGINE • OLYMPUS • ONIS • PFIZER • ROCHE • SANDOZ

BRONZE

ABBVIE • ACTA GASTROENTEROLOGICA • AMGEN • BIOCODEX • BOUCART MEDICAL • CSL BEHRING • DR FALK PHARMA • ERBE • GBS-VBS • INCYTE • MAYOLY • REVOGAN • SIRTEX • TRUVION HEALTHCARE Association FAPA

XXXIIIrd Edition – 03 > 05.03.21 – A DIGITAL EXPERIENCE

BWGE Event Coordination : DME Events • Anne-France De Meyer • 57 av. G Demey 1160 Bruxelles • anne. [email protected] • Tel : 0477 27 00 45