How to Manage a Patient with Haemophilia and ACS Requiring PCI: a Battle Between Bleeding and Thrombosis

Total Page:16

File Type:pdf, Size:1020Kb

How to Manage a Patient with Haemophilia and ACS Requiring PCI: a Battle Between Bleeding and Thrombosis medicina Case Report How to Manage a Patient with Haemophilia and ACS Requiring PCI: A Battle between Bleeding and Thrombosis Konstantinos C. Theodoropoulos 1,2 , Sofia Vakalopoulou 3, Maria Oikonomou 1, George Stavropoulos 1, Antonios Ziakas 2, Ioannis Kanonidis 1 and George Kassimis 1,* 1 Second Cardiology Department, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; [email protected] (K.C.T.); [email protected] (M.O.); [email protected] (G.S.); [email protected] (I.K.) 2 First Cardiology Department, University General Hospital AHEPA, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; [email protected] 3 Haemophilia Centre of Northern Greece, Second Propaedeutic Department of Internal Medicine, Medical School, Hippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; [email protected] * Correspondence: [email protected]; Tel.: +30-2310892349 Abstract: We present the case of a 70-year-old man with a history of haemophilia B, who presented to our hospital with a non-ST-elevation myocardial infarction. The patient, following consultation by a haemophilia expert, was revascularized with percutaneous coronary intervention (PCI) under adequate clotting factor administration. Patients with haemophilia and acute coronary syndrome, are susceptible to periprocedural bleeding and thrombotic events during PCI, and therefore a balanced management plan should always be implemented by a multidisciplinary team. Citation: Theodoropoulos, K.C.; Vakalopoulou, S.; Oikonomou, M.; Keywords: Haemophilia B; factor IX; coagulation factors; bleeding; thrombosis; PCI; NSTE-ACS Stavropoulos, G.; Ziakas, A.; Kanonidis, I.; Kassimis, G. How to Manage a Patient with Haemophilia and ACS Requiring PCI: A Battle 1. Introduction between Bleeding and Thrombosis. Coronary artery disease (CAD) is the most common type of cardiac disease with the Medicina 2021, 57, 352. https:// highest mortality globally [1]. Non-ST-elevation acute coronary syndromes (NSTE-ACS) doi.org/10.3390/medicina57040352 represent 70% of all ACSs, while patients with NSTE-ACS tend to be older and have more comorbidities than patients with ST-elevation myocardial infarction (STEMI) [2]. Invasive Academic Editor: Pierpaolo Di Micco strategy with a coronary angiogram and possible percutaneous coronary intervention (PCI) along with dual antiplatelet therapy (DAPT) and anticoagulation is the standard of care Received: 24 February 2021 for patients with NSTE-ACS according to current guidelines [2,3]. However, periproce- Accepted: 2 April 2021 Published: 7 April 2021 dural bleeding is one of the most frequent complications of PCI and is associated with an increased risk of both short- and long-term mortality [4]. A high incidence of bleed- Publisher’s Note: MDPI stays neutral ing events occurs in patients with various haematological disorders such as anaemia, with regard to jurisdictional claims in thrombocytopenia, or haemophilia who undergo PCI. published maps and institutional affil- Haemophilia A (HA) and haemophilia B (HB) are recessive, X-linked inherited blood iations. disorders caused by a deficiency of coagulation factor VIII (FVIII) and factor IX (FIX) respectively [5]. They affect mainly males and their clinical manifestations are similar, however it is generally considered that bleeding episodes in patients with HA are more severe and occur at higher frequency than in patients with HB [5]. HB was first reported in 1952 and was called “Christmas disease” after the name of the patient, a 10-year-old Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. boy named Stephen Christmas [6]. The severity of haemophilia is inversely related to the This article is an open access article level of functional FVIII or FIX present and is categorized into mild, moderate, and severe distributed under the terms and disease, as follows: severe (factor level < 1% of normal), moderate (factor level 1–5% of conditions of the Creative Commons normal) and mild (factor level > 5% and <40% of normal) [7]. However, current stratification Attribution (CC BY) license (https:// based on factor VII or IX levels is not always reflecting the clinical severity of the disease. creativecommons.org/licenses/by/ Haemophilia patients are usually well known to their haemophilia centres, which often 4.0/). have specialized treatment protocols. Bleeding episodes can range from minor/moderate Medicina 2021, 57, 352. https://doi.org/10.3390/medicina57040352 https://www.mdpi.com/journal/medicina Medicina 2021, 57, 352 2 of 7 (haemarthrosis, epistaxis) to severe (intracerebral bleed or limp muscle bleeds leading to compartment syndrome). Treatment of haemophilia has evolved dramatically in the last decades, transforming haemophilia from an often-fatal hereditary bleeding disease to one with available, safe and effective, treatment. Haemophilia treatment is based on missing factor replacement with FVIII or FIX concentrates. These concentrates can be used as either prophylaxis or treatment of bleeding episodes [8]. 2. Case Presentation A 70-year-old man developed sudden onset severe central chest pain lasting in total 2 h. Cardiovascular risk factors included only hypertension and the patient had a history of mild haemophilia B and chronic obstructive pulmonary disease (COPD). He presented to our institute some hours later, where a 12-lead electrocardiogram demonstrated T wave inversion in leads III and V1-V6 (Figure1) and hs-TnI was mildly elevated (120 ng/L, nor- mal < 14 ng/L), therefore a NSTE-ACS was diagnosed. Blood pressure was 160/90 mmHg. Baseline Factor IX activity was 24.9% (Figure2), activated Partial Thromboplastin Time [aPTT] was 37.9 s and international normalized ratio (INR) 0.98 (INR is normal and aPTT Medicina 2021, 57, x FOR PEER REVIEW 3 of 7 is prolonged in haemophilia patients). Haemogram and biochemical parameters were all within normal ranges. FigureFigure 1. 1.1212 lead lead electrocardiogram electrocardiogram (ECG)(ECG) showing showing T waveT wave inversion inversion in leads in leads III and III V1–V6. and V1–V6. As we adopted an early intervention strategy, the patient was referred to haematology for consultation and joined management. The patient was loaded with dual antiplatelet therapy (aspirin and clopidogrel), b-blocker and lansoprazole. The coronary angiogram was performed the next day and periprocedural intravenous unfractionated heparin (UFH) was used, guided by the ACT (activated clotting time) levels. Although ACT is prolonged in patients with haemophilia, replacement of the deficient FVIII or FIX suppress this phenomenon. Despite this, ACT remains a useful point-of-care test in order to monitor co- agulation during PCI and to guide unfractionated heparin (UFH) treatment. Recombinant Figure 2. Plasma Factor IX activity before, during and after percutaneous coronary intervention (PCI). Medicina 2021, 57, x FOR PEER REVIEW 3 of 7 Medicina 2021, 57, 352 3 of 7 factor IX (with a periprocedural level target of >80%) was also administered (Figure2). Given the baseline level (24.9%), the patient received 5000 units of recombinant factor IX (Benefix, Pfizer, Philadelelphia, PA, USA) intravenously two hours before coronary angiog- raphy (CAG). CAG was performed using the left radial artery access and demonstrated unobstructed right and left circumflex coronary arteries. The left anterior descending artery (LAD) had proximally a severe non-calcified lesion causing 99% stenosis (Figure3A) . The culprit lesion was treated with a 2.75 mm × 18 mm zotarolimus eluting stent and post-dilated with a non-compliant balloon 3.0 mm × 15 mm at 18 atm with a good final angiographic result (Figure3B). Three hours later, the TR BAND ® Radial Compression Device was removed and neither bleeding nor haematoma was observed. The patient had an uneventful recovery and was discharged the following day with recommendation for DAPT (aspirin and clopidogrel) for 1 month. He continued to receive prophylaxis therapy with regular administration of FIX concentrates to keep trough levels around ≥30% while on DAPT (Figure2). He was completely asymptomatic in a follow-up appoint- ment one month later, with preserved left ventricular systolic function on transthoracic echocardiography.Figure 1. 12 lead electrocardiogram (ECG) showing T wave inversion in leads III and V1–V6. Medicina 2021, 57, x FOR PEER REVIEW 4 of 7 Figure 2. Plasma Factor IX activity before, during and after percutaneous coronary intervention Figure 2. Plasma Factor IX activity before, during and after percutaneous coronary intervention (PCI). (PCI). FigureFigure 3.3. ((AA)) CoronaryCoronary angiogramangiogram showingshowing severesevere proximalproximal left anterior descending (LAD) lesion. (B) Coronary angiogram showing good angiographic result post-PCI. (B) Coronary angiogram showing good angiographic result post-PCI. 3. Discussion 3.1. Haemophilia and Coronary Artery Disease Haemophilia is an inherited blood disorder due to deficiency of coagulation factors VIII or IX. Patients with haemophilia suffer from minor or major bleeding events. Alt- hough haemophilia patients appear to have lower mortality due to ischemic heart disease compared to the general population, the prevalence of cardiovascular risk factors in hae- mophilia patients is similar to the prevalence in the general population, and hypertension is even more common [9,10]. Lower mortality of haemophiliacs due to ischaemic heart disease can be attributed to their hypocoagulable
Recommended publications
  • Protein S Deficiency Presenting with Hemorrhage in a Term Neonate
    : Curre re nt a R C e Ayari et al., Health Care Current Reviews 2018, 6:1 h v t i l e a w DOI: 10.4172/2375-4273.1000219 e s H Health Care: Current Reviews ISSN: 2375-4273 Review Article Open Access Protein S Deficiency Presenting with Hemorrhage in a Term Neonate Fairouz Ayari*, Takoua Bensmail, Essid Latifa, Wiem Barbaria and Samia Kacem Neonatology Intensive Care Unit of the Maternity and Neonatology Center, Tunis, Tunisia Abstract Unexplained bleeding symptoms in otherwise healthy full-term usually present a diagnostic challenge for treating physicians requiring prompt and accurate laboratory investigations to ensure appropriate treatment and possibly avoid long-term morbidity. We report a case of a term neonate with severe protein S deficiency manifested by systemic hemorrhage and multiple organ failure at 9 days of age. We review how protein S influences the coagulation and the fibrinolytic pathways, discussing therapeutic approaches of neonates with purpura fulminans. Keywords: Protein S deficiency; Blood sample; Thrombophilic dis- resuscitation with 20 ml/kg bodyweight (BW) saline solution and, after order blood sampling, intravenous administration of 10 mg vitamin K, 20 ml/kg BW fresh frozen plasma, 20 ml/kg BW packed red blood cells Introduction (5 transfusion cycles), 20 mg/kg BW Phenobarbital and vasoactive Protein S (PS) is an antithrombotic plasma protein that acts mainly drugs. Cerebral ultrasound revealed intraventricular haemorrhage, as a cofactor of activated protein C (APC) anticoagulant activity in the abdominal ultrasound showed splenic hemorrhage and cardiac degradation of factor Va and activated factor VIII [1]. PS circulates in ultrasound showed a floating intracardiac thrombus.
    [Show full text]
  • MONONINE (“Difficulty ® Monoclonal Antibody Purified in Concentrating”; Subject Recovered)
    CSL Behring IU/kg (n=38), 0.98 ± 0.45 K at doses >95-115 IU/kg (n=21), 0.70 ± 0.38 K at doses >115-135 IU/kg (n=2), 0.67 K at doses >135-155 IU/kg (n=1), and 0.73 ± 0.34 K at doses >155 IU/kg (n=5). Among the 36 subjects who received these high doses, only one (2.8%) Coagulation Factor IX (Human) reported an adverse experience with a possible relationship to MONONINE (“difficulty ® Monoclonal Antibody Purified in concentrating”; subject recovered). In no subjects were thrombo genic complications MONONINE observed or reported.4 only The manufacturing procedure for MONONINE includes multiple processing steps that DESCRIPTION have been designed to reduce the risk of virus transmission. Validation studies of the Coagulation Factor IX (Human), MONONINE® is a sterile, stable, lyophilized concentrate monoclonal antibody (MAb) immunoaffinity chromatography/chemical treatment step and of Factor IX prepared from pooled human plasma and is intended for use in therapy nanofiltration step used in the production of MONONINE doc ument the virus reduction of Factor IX deficiency, known as Hemophilia B or Christmas disease. MONONINE is capacity of the processes employed. These studies were conducted using the rel evant purified of extraneous plasma-derived proteins, including Factors II, VII and X, by use of enveloped and non-enveloped viruses. The results of these virus validation studies utilizing immunoaffinity chromatography. A murine monoclonal antibody to Factor IX is used as an a wide range of viruses with different physicochemical properties are summarized in Table affinity ligand to isolate Factor IX from the source material.
    [Show full text]
  • Protein C and S Deficiency in Deep Vein Thrombosis Patients Referred to Iranian Blood Transfusion Organization, Kermanshah
    Protein C and S Deficiency in Deep Vein Thrombosis Patients Referred to Iranian Blood Transfusion Organization, Kermanshah Mehrdad Payandeh, 1 Mohammad Erfan Zare, 1, 2 Atefeh Nasir Kansestani, 1, 2 Kamran Ma nsouri, 1, 3 Zohreh Rahimi, 1, 4 Amir Hossein Hashemian, 5 Ebrahim Soltanian, 6 Hoshang Yousefi, 6 1Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran 2Student Research Committee, Kermanshah University of Medical Scien ces, Kermanshah, Iran 3Department of Molecular Medicine, School of advanced Medical Technologies, Tehran University of Medical Sciences, Tehran, Iran 4Department of Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Ir an 5Department of Biostatistics, Faculty of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran 6Research Center of Iranian Blood Transfusion Organization, Kermanshah, Iran Corresponding Author : Mohammad Erfan Zare, BSC student of M edical Lab Sciences. Medical Biology Research Center, P.O.Box: 1568, Sorkheh Lizheh, Kermanshah University of Medical Sciences, Kermanshah, Iran. E-mail : [email protected] Tel: +98 831 4276473 Fax: +98 831 4276471 Abstract Introduction: Normal homeostas is system has several inhibitor mechanisms in front of the amplifier’s natural clotting enzyme to prevent fibrin clots in the vessels. The main inhibitors of coagulation pathway are antithrombin (AT), protein C and protein S. Patients with hereditary defic iency of coagulation inhibitors are susceptible to venous thromboembolism (VTE). One of the major clinical manifestations of VTE is deep vein thrombosis (DVT). The present study has investigated the frequency of protein C and S deficiency among DVT patients that by using of these results and results from our previous study; we determined the most important hereditary risk factors for DVT in the Kermanshah Province of Iran with the Kurdish ethnic background.
    [Show full text]
  • Haematology: Non-Malignant
    Haematology: Non-Malignant Mr En Lin Goh, BSc (Hons), MBBS (Dist.), MRCS 25th February 2021 Introduction • ICSM Class of 2018 • Distinction in Clinical Sciences • Pathology = 94% • Wallace Prize for Pathology • Jasmine Anadarajah Prize for Immunology • Abrahams Prize for Histopathology Content 1. Anaemia 2. Haemoglobinopathies 3. Haemostasis and thrombosis 4. Obstetric haematology 5. Transfusion medicine Anaemia Background • Hb <135 g/L in males and <115 g/L in females • Causes: decreased production, increased destruction, dilution • Classified based on MCV: microcytic (<80 fL), normocytic (80-100 fL), macrocytic (>100 fL) • Arise from disease processes affecting synthesis of haem, globin or porphyrin Microcytic anaemia work-up • Key differentials • Iron deficiency anaemia • Thalassaemia • Sideroblastic anaemia • Key investigations • Peripheral blood smear • Iron studies Iron deficiency anaemia • Commonest cause is blood loss • Key features • Peripheral blood smear – pencil cells • Iron studies – ↓iron, ↓ferritin, ↑transferrin, ↑TIBC • FBC – reactive thrombocytosis • Management – investigate underlying cause, iron supplementation Thalassaemia • α-thalassaemia, β-thalassaemia, thalassaemia trait • Key features • Peripheral blood smear – basophilic stippling, target cells • Iron studies – all normal • Management – iron supplementation, regular transfusions, iron chelation Sideroblastic anaemia • Congenital or acquired • Key features • Peripheral blood smear – basophilic stippling • Iron studies – ↑iron, ↑ferritin, ↓transferrin, ↓TIBC • Bone
    [Show full text]
  • Outcomes of Patients with Thrombocytopenia Evaluated at Hematology Subspecialty Clinics
    Henry Ford Health System Henry Ford Health System Scholarly Commons Hematology Oncology Articles Hematology-Oncology 2-11-2021 Outcomes of patients with thrombocytopenia evaluated at hematology subspecialty clinics Zaid H. Abdel Rahman Kevin C. Miller H Jabbour Yaser Alkhatib Vijayalakshmi Donthireddy Follow this and additional works at: https://scholarlycommons.henryford.com/ hematologyoncology_articles Hematol Oncol Stem Cell Ther xxx (xxxx) xxx Available at www.sciencedirect.com ScienceDirect journal homepage: www.elsevier.com/locate/hemonc Outcomes of patients with thrombocytopenia evaluated at hematology subspecialty clinics Zaid H. Abdel Rahman a,*, Kevin C. Miller b, Hiba Jabbour c, Yaser Alkhatib c, Vijaya Donthireddy c a Division of Hematology and Medical Oncology, Mayo Clinic, Jacksonville, FL, USA b Department of Medicine, Massachusetts General Hospital, Boston, MA, USA c Division of Hematology and Medical Oncology, Henry Ford Hospital, Detroit, MI, USA Received 6 October 2020; received in revised form 9 December 2020; accepted 15 January 2021 KEYWORDS Abstract Hematology; Background: Thrombocytopenia is a frequently encountered laboratory abnormality and a Malignancy; common reason for hematology referrals. Workup for thrombocytopenia is not standardized Platelets; and frequently does not follow an evidence-based algorithm. We conducted a systematic anal- Referrals; Thrombocytopenia ysis to evaluate the laboratory testing and outcomes of patients evaluated for thrombocytope- nia at hematology clinics in a tertiary referral center between 2013 and 2016. Patient and methods: We performed a comprehensive chart review for patients evaluated for thrombocytopenia during the study period. Patients were followed for 1 year from the initial hematology evaluation and assessed for the development of a hematologic malignancy, rheumatologic, or infectious diseases among other clinical outcomes.
    [Show full text]
  • Understanding Haemophilia
    Understanding haemophilia Understanding haemophilia Contents Introduction 3 Haemophilia and your child 4 What is haemophilia? 5 What causes haemophilia? 5 Can females have haemophilia? 6 Carriers 8 Who is affected by haemophilia? 9 How severe is haemophilia? 9 Signs and symptoms of haemophilia 11 How is haemophilia diagnosed? 14 Diagnosis 14 Treatment 16 Port-a-cath 19 Managing joint bleeds with PRICE 19 Gene therapy 21 Possible complications of haemophilia 22 Inhibitors 22 Joint damage 22 Medical and dental treatment 23 Surgery Circumcision Dental care Medicines Vaccinations Bleeding disorder card Living with haemophilia 26 Sport and exercise 27 School, college and work 28 Travel 29 Pregnancy and haemophilia 30 Glossary of terms 32 About The Haemophilia Society 33 2 Understanding haemophilia Introduction This booklet is about haemophilia A and B. It gives a general overview of haemophilia and information on diagnosing, treating and living with the condition that we hope will answer your main questions. It has been written for people directly affected by haemophilia and for anyone interested in learning about haemophilia. If you are a parent and your child has recently been diagnosed with haemophilia you may be feeling quite overwhelmed. Remember, you’re not alone and many families are facing the same concerns and issues. Please do get in touch – we have lots of support and information available as well as services for parents and children. You can find out more via our website or Facebook pages, by emailing [email protected] or calling us on 020 7939 0780. The outlook is now the best it has ever been for people with haemophilia in the UK.
    [Show full text]
  • Severe Fever with Thrombocytopenia Syndrome: a Newly Discovered Emerging Infectious Disease
    View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Elsevier - Publisher Connector REVIEW Severe fever with thrombocytopenia syndrome: a newly discovered emerging infectious disease D. X. Li Key Laboratory for Medical Virology, National Institute for Viral Disease Control and Prevention, China CDC, Beijing, China Abstract Severe fever with thrombocytopenia syndrome (SFTS) is a newly discovered emerging infectious disease that has recently become epidemic in Asia. The causative agent of SFTS is a novel phlebovirus in the family Bunyaviridae, designated SFTS virus (SFTSV). SFTS clinically presents with high fever, thrombocytopenia, leukocytopenia, gastrointestinal disorders, and multi-organ dysfunction, with a high viral load and a high case- fatality rate. In human infection, SFTSV targets microphages, replicates in the spleen of infected mice, and causes thrombocytopenia and a cytokine storm. The tick disseminates virus to humans and animals, forming a special transmission model in nature. Person-to-person transmission though direct contact with patient blood has been frequently reported. Measurements of viral RNA and antibodies have been established for diagnosis, but vaccines and specific therapeutics are not available so far. Clinical Microbiology and Infection © 2015 European Society of Clinical Microbiology and Infectious Diseases. Published by Elsevier Ltd. All rights reserved. Keywords: Clinical, epidemiology, SFTS virus, SFTS, virology Article published online: 11 March 2015 Virology D.X. Li, Key Laboratory for Medical Virology, NCHFP, RRC, National Institute for Viral Disease Control and Prevention, China CDC, Bei- jing 102206, China E-mail: [email protected] The causative agent of SFTS is SFTSV, which is a tick-borne virus in the family Bunyaviridae, genus Phlebovirus.
    [Show full text]
  • Understanding Haemophilia CHAPTER 2
    Understanding haemophilia CHAPTER 2 KEY POINTS • Haemophilia is an inherited condition caused by a gene alteration. • There are two types of haemophilia – A and B. • Haemophilia can be mild, moderate or severe. • Haemophilia is most commonly diagnosed in boys. • If you are considering having more children, there is support available to help with your decision. Haemophilia is an inherited bleeding disorder where blood doesn’t clot properly. It is caused when blood does not produce enough of one of the essential clotting ingredients. These ‘ingredients’ are clotting factors — proteins in the blood that control bleeding. The missing ingredient that causes haemophilia is usually either factor VIII (8) or IX (9). Roman numerals are used when referring to clotting factors. CHAPTER 2 2.1 UNDERSTANDING HAEMOPHILIA Blood clotting and bleeding Understanding how bleeding starts and stops NormalNormal clotting clotting process process Clotting factor activity Source: Hemophilia in Pictures. © WFH 2005. http://www1.wfh.org/publications/files/pdf-1311.pdf Bleeding starts when a capillary (small blood vessel) is injured and blood leaks out. When this happens, the capillary tightens up to slow the bleeding and blood cells called platelets make a plug to patch the hole. For people without haemophilia, the many clotting factors in plasma (part of the blood) knit together to make a clot over the plug. This makes the plug stronger and stops the bleeding. Clotting factor VIII and factor IX are essential to making the blood clot. 2.2 CHAPTER 2 UNDERSTANDING HAEMOPHILIA ClottingClotting in in haemophilia haemophilia Clotting factor activity Source: Hemophilia in Pictures. © WFH 2005.
    [Show full text]
  • Terminology Resource File
    Terminology Resource File Version 2 July 2012 1 Terminology Resource File This resource file has been compiled and designed by the Northern Assistant Transfusion Practitioner group which was formed in 2008 and who later identified the need for such a file. This resource file is aimed at Assistant Transfusion Practitioners to help them understand the medical terminology and its relevance which they may encounter in the patient’s medical and nursing notes. The resource file will not include all medical complaints or illnesses but will incorporate those which will need to be considered and appreciated if a blood component was to be administered. The authors have taken great care to ensure that the information contained in this document is accurate and up to date. Authors: Jackie Cawthray Carron Fogg Julia Llewellyn Gillian McAnaney Lorna Panter Marsha Whittam Edited by: Denise Watson Document administrator: Janice Robertson ACKNOWLEDGMENTS We would like to acknowledge the following people for providing their valuable feedback on this first edition: Tony Davies Transfusion Liaison Practitioner Rose Gill Transfusion Practitioner Marie Green Transfusion Practitioner Tina Ivel Transfusion Practitioner Terry Perry Transfusion Specialist Janet Ryan Transfusion Practitioner Dr. Hazel Tinegate Consultant Haematologist Reviewed July 2012 Next review due July 2013 Version 2 July 2012 2 Contents Page no. Abbreviation list 6 Abdominal Aortic Aneurysm (AAA) 7 Acidosis 7 Activated Partial Thromboplastin Time (APTT) 7 Acquired Immune Deficiency Syndrome
    [Show full text]
  • Autosomal Recessive Disorders and X Linked Disorders in Malaysia
    Patricia Bowen Library & Knowledge Service Email: [email protected] Website: http://www.library.wmuh.nhs.uk/wp/library/ DISCLAIMER: Results of database and or Internet searches are subject to the limitations of both the database(s) searched, and by your search request. It is the responsibility of the requestor to determine the accuracy, validity and interpretation of the results. Date: 27 January 2020 Sources Searched: Medline, Embase. Autosomal Recessive Disorders and X Linked Disorders in Malaysia See full search strategy 1. International perspectives on the implementation of reproductive carrier screening. Author(s): Delatycki, Martin B; Alkuraya, Fowzan; Archibald, Alison; Castellani, Carlo; Cornel, Martina; Grody, Wayne W; Henneman, Lidewij; Ioannides, Adonis S; Kirk, Edwin; Laing, Nigel; Lucassen, Anneke; Massie, John; Schuurmans, Juliette; Thong, Meow-Keong; van Langen, Irene; Zlotogora, Joël Source: Prenatal diagnosis; Nov 2019 Publication Date: Nov 2019 Publication Type(s): Journal Article Review PubMedID: 31774570 Available at Prenatal diagnosis - from Wiley Online Library Abstract:Reproductive carrier screening started in some countries in the 1970s for hemoglobinopathies and Tay-Sachs disease. Cystic fibrosis carrier screening became possible in the late 1980s and with technical advances, screening of an ever increasing number of genes has become possible. The goal of carrier screening is to inform people about their risk of having children with autosomal recessive and X-linked recessive disorders, to allow for informed decision making about reproductive options. The consequence may be a decrease in the birth prevalence of these conditions, which has occurred in several countries for some conditions. Different programs target different groups (high school, premarital, couples before conception, couples attending fertility clinics, and pregnant women) as does the governance structure (public health initiative and user pays).
    [Show full text]
  • Neonatal Leukopenia and Thrombocytopenia
    Neonatal Leukopenia and Thrombocytopenia Vandy Black, M.D., M.Sc., FAAP March 3, 2016 April 14, 2011 Objecves • Summarize the differenHal diagnosis of leukopenia and/or thrombocytopenia in a neonate • Describe the iniHal steps in the evaluaon of a neonate with leukopenia and/or thrombocytopenia • Review treatment opHons for leukopenia and/ or thrombocytopenia in the NICU Clinical Case 1 • One day old male infant admiUed to the NICU for hypoglycemia and a sepsis rule out • Born at 38 weeks EGA by SVD • Birth weight 4 lbs 13 oz • Exam shows a small cephalohematoma; no dysmorphic features • PLT count 42K with an otherwise normal CBC Definions • Normal WBC count 9-30K at birth – Mean 18K • What is the ANC and ALC – <1000/mm3 is abnormal – 6-8% of infants in the NICU • Normal platelet count: 150-450,000/mm3 – Not age dependent – 22-35% of infants in the NICU have plts<150K Neutropenia Absolute neutrophil count <1500/mm3 Category ANC* InfecHon risk • Mild 1000-1500 None • Moderate 500-1000 Minimal • Severe <500 Moderate to Severe (Highest if <200) • Recurrent bacterial or fungal infecHons are the hallmark of symptomac neutropenia! • *ANC = WBC X % (PMNs + Bands) / 100 DefiniHon of Neutropenia Black and Maheshwari, Neoreviews 2009 How to Approach Cytopenias • Normal vs. abnormal (consider severity) • Malignant vs. non-malignant • Congenital vs. acquired • Is the paent symptomac • Transient, recurrent, cyclic, or persistent How to Approach Cytopenias • Adequate vs. decreased marrow reserve • Decreased producHon vs. increased destrucHon/sequestraon Decreased neutrophil/platelet producon • Primary – Malignancy/leukemia/marrow infiltraon – AplasHc anemia – Genec disorders • Secondary – InfecHous – Drug-induced – NutriHonal • B12, folate, copper Increased destrucHon/sequestraon • Immune-mediated • Drug-induced • Consumpon à Hypersplenism vs.
    [Show full text]
  • Delivery of Treatment for Haemophilia
    WHO/HGN/WFH/ISTH/WG/02.6 ENGLISH ONLY Delivery of Treatment for Haemophilia Report of a Joint WHO/WFH/ISTH Meeting London, United Kingdom, 11 - 13 February 2002 Human Genetics Programme, 2002 Management of Noncommunicable Diseases World Health Organization Human Genetics Programme WHO/HGN/WFH/ISTH/WG/02.6 Management of Noncommunicable Diseases ENGLISH ONLY World Health Organization Delivery of Treatment for Haemophilia Report of a Joint WHO/WFH/ISTH Meeting London, United Kingdom, 11- 13 February 2002 Copyright ã WORLD HEALTH ORGANIZATION, 2002 All rights reserved. Publications of the World Health Organization can be obtained from Marketing and Dissemination, World Health Organization, 20 Avenue Appia, 1211 Geneva 27, Switzerland (tel: +41 22 791 2476; fax: +41 22 791 4857; email: [email protected]). Requests for permission to reproduce or translate WHO publications – whether for sale or for noncommercial distribution – should be addressed to Publications, at the above address (fax: +41 22 791 4806; email: [email protected]). The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement. The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned.
    [Show full text]