Gastro-Oesophageal Reflux Disease: Symptoms, Erosions, And
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COMMENTARIES 739 GORD erosive oesophagitis, this is one of the ....................................................................................... initial reports to show the presence of Barrett’s oesophagus as having a Gut: first published as 10.1136/gut.2004.052225 on 11 May 2005. Downloaded from negative impact on healing of erosive Gastro-oesophageal reflux disease: oesophagitis. Systematic biopsies were not obtained symptoms, erosions, and Barrett’s— from the oesophageal columnar seg- ment; the number of biopsies and what is the interplay? endoscopic measurement of the length of Barrett’s oesophagus were also not P Sharma standardised between participating cen- tres. Although all endoscopists were ................................................................................... trained on the LA classification system for erosive oesophagitis, the diagnosis of The presence of Barrett’s oesophagus may exert a negative impact Barrett’s oesophagus was performed on healing of erosive oesophagitis in gastro-oesophageal reflux without any predetermined criteria. disease Furthermore, obtaining biopsies from the oesophagus were left up to the discretion of the endoscopists; addi- he outcomes of patients with ero- trials of erosive oesophagitis have tional biopsies were requested but were sive oesophagitis, treated with acid excluded patients with Barrett’s oeso- not mandatory from the endoscopists. It suppression therapy (proton pump phagus and therefore the effect of T is well known that there is large inter- inhibitors), has been dictated by the healing of erosive oesophagitis in the observer variability in the endoscopic baseline severity of erosive oesophagitis, presence of Barrett’s oesophagus is not recognition of the oesophageal colum- presence of hiatus hernia, duration of known. nar segment and that detection of therapy and, in some studies, by the In this issue of Gut, Malfertheiner intestinal metaplasia is directly related 12 7 Helicobacter pylori status of the patients. and colleagues report results from to the endoscopy/biopsy technique and It has been shown that higher grades of the Progression of gastro-oesophageal number of biopsies obtained.89 More- erosive oesophagitis (Los Angeles grades reflux disease (ProGORD) trial, a large, over, it is possible that patients with C and D) have significantly lower multicentre, prospective, follow up higher grades of erosive oesophagitis healing rates as opposed to those with study of 6215 patients with reflux (grades C and D) may be more likely to lower grades of erosive oesophagitis disease treated with esomeprazole (open have been included in the ‘‘Barrett’s (grades A and B). Moreover, the major- label) (see page 746). Results for heart- group’’ as inflammatory lesions might ity of the oesophagitis trials have eval- burn resolution in patients with erosive have been mistaken as columnar areas uated healing at four and eight weeks, oesophagitis and non-erosive reflux dis- in the distal oesophagus. showing a higher proportion of patients ease (NERD) were presented for the last Complete symptom resolution, as with all grades of erosive oesopha- visit and the prognostic influence of the determined by a validated reflux disease http://gut.bmj.com/ gitis healed at week 8 compared with baseline grade of erosive oesophagitis, questionnaire, was 58.5% at two weeks 34 week 4. Similar data on healing at presence of Barrett’s oesophagus, age, and 64.8% at the last visit in the NERD .8 weeks are not consistently available sex, body mass index, and H pylori group compared with 61.1% and 70.4%, in the literature. Not only do patients infection was studied on the healing of respectively, in the oesophagitis group. with severe grades of erosive oesopha- erosive oesophagitis and, for NERD Thus the absolute difference in patients gitis have a higher degree of oesopha- patients, on complete resolution of with heartburn resolution between geal acid exposure compared with those heartburn. Barrett’s oesophagus was the oesophagitis and NERD groups at on September 29, 2021 by guest. Protected copyright. with either no oesophagitis or low detected in 14% of patients with erosive the last visit was 5.6%, suggesting grades of oesophagitis, but they also oesophagitis and in 2.3% of NERD that these are relatively similar patient have low amplitude of oesophageal patients. The overall healing rates of groups in terms of both pathophysi- contractions and the presence of large erosive oesophagitis at eight weeks in all ology and treatment response. These hiatus hernias.5 Therefore, it is not patients (with and without Barrett’s data however do not reflect the same surprising that the poor pathophysiol- oesophagus) was 77.5%; 79.3% in grades point in time in each group and ogy associated with severe erosive oeso- A and B compared with 69.9% in grades although the comparison is not ideal, phagitis leads to poor healing rates. C and D (p,0.0001). In patients with- this highlights the fact that complete Although a few studies have correlated out Barrett’s oesophagus, the healing symptom resolution is difficult to H pylori status with oesophagitis heal- rate of oesophagitis was 79.3% com- achieve. Symptom resolution (measured ing, with H pylori positivity associated pared with 66.7% in those with Barrett’s by validated questionnaires) can be with improved healing rates, this has (p,0.0001). These eight week healing achieved in approximately 60–75% of not been consistently documented.6 This rates in patients with Barrett’s oesopha- GORD patients treated with proton may be a phenomenon related not just gus were also directly related to baseline pump inhibitor therapy and although to the presence or absence of H pylori oesophagitis severity (78.6% in grades A the numbers may be numerically higher infection but rather to the pattern of and B; 63% in grades C and D). Heal- in patients with erosive oesophagitis, gastritis, presence of hiatus hernia, acid ing rates were lower in those with they are still nowhere closer to heal- output states, etc.2 Although patients ‘‘confirmed Barrett’s oesophagus’’ (with ing rates, suggesting that symptoms with Barrett’s oesophagus also have histological documentation of intes- are more resistant to acid suppression abnormal pathophysiology, very similar tinal metaplasia) and also those with than mucosal breaks (that is, ero- to patients with severe grades of erosive endoscopic Barrett’s oesophagus (that sions).10 On the other hand, it is not oesophagitis, the impact of the presence is, oesophageal columnar segment). clear if patients actually seek complete of Barrett’s oesophagus in patients with Whereas the presence of severe grades symptom resolution and maybe goals erosive oesophagitis has not been sys- of erosive oesophagitis (that is, C and D) such as complete resolution of symp- tematically evaluated. In fact, previous have been shown to influence healing of toms as evaluated in this and other www.gutjnl.com 740 COMMENTARIES trials should not be the primary end repeat endoscopy may be considered 2 Sharma P, Vakil N. Helicobacter pylori and reflux disease. Aliment Pharmacol Ther point of treatment. in this subgroup of patients. Present 2003;17:297–305. This study highlights some important drug therapy is unable to resolve 3 Castell DO, Kahrilas PJ, Richter JE, et al. Gut: first published as 10.1136/gut.2004.052225 on 11 May 2005. Downloaded from issues; firstly, symptoms, erosions, and symptoms or heal oesophagitis com- Esomeprazole (40 mg) compared with lansoprazole (30 mg) in the treatment of erosive Barrett’s can coexist in every possible pletely for this complex disease, and esophagitis. Am J Gastroenterol combination in a patient with GORD, the role of other factors such as non- 2002;97:575–83. indicating that these are not indepen- acid or low acid reflux, bile reflux, 4 Richter JE, Kahrilas PJ, Sontog SJ, et al. Comparing lansoprazole and omeprazole in dent lesions; secondly, the presence of oesophageal hypersensitivity, or central onset of heartburn relief: results of a randomized, Barrett’s mucosa exerts a negative mechanisms which lead to persistent controlled trial in erosive esophagitis patients. impact on the healing of erosive oeso- symptoms, should be evaluated fur- Am J Gastroenterol 2001;96:3089–98. 5 Coenraad M, Masclee AA, Straathof JW, et al. Is phagitis; and finally, that symptom ther. Despite the major progress in our Barrettt’s esophagus characterized by more resolution is difficult to achieve in understanding of the diagnosis and pronounced acid reflux than severe esophagitis? GORD patients (with or without erosive treatment of GORD, this study high- Am J Gastroenterol 1998;93:1068–72. 6 Holtmann G, Cain C, Malfertheiner P. Gastric oesophagitis). What are the clinical lights the need for continued investi- Helicobacter pylori infection accelerates healing implications of these findings? This gation of this intriguing disease. of reflux esophagitis during treatment with the study raises questions regarding the proton pump inhibitor pantoprazole. Gut 2005;54:739–740. Gastroenterology 1999;117:11–16. need for higher doses of proton pump doi: 10.1136/gut.2004.052225 7 Malfertheiner P, Lind T, Willich S, et al. inhibitors or more profound acid sup- Prognostic influence of Barrett’s oesophagus and pression in patients with Barrett’s oeso- Correspondence to: Professor P Sharma, Helicobacter pylori infection on healing of erosive gastro-oesophageal reflux disease (GORD) and phagus. Whether persistent oesophagitis University of Kansas School of Medicine, VA Medical Center, Kansas City, MO 64128, USA; symptom resolution in non-erosive GORD: report and ongoing inflammation in patients [email protected] from the ProGORD study. Gut 2005;54:746–51. with Barrett’s oesophagus can lead to a 8 Sharma P, Morales TG, Sampliner RE. Short Conflict of interest: None declared. segment Barrett’s esophagus—the need for stand- higher frequency of dysplasia and adeno- ardization of the definition and of endoscopic carcinoma remains to be evaluated and, criteria. Am J Gastroenterol 1998;93:1033–6. if this is the case, may have important REFERENCES 9 Kim R, Baggott BB, Rose S, et al.