UEG Week 2025: Relive the Highlights

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A RANDOMIZED CONTROLLED TRIAL TO STUDY THE EFFECT OF PROTON PUMP INHIBITORS ON RECURRENT BLEEDING EPISODES AND MORTALITY AFTER ENDOSCOPIC VARICEAL LIGATION FOR ACUTE VARICEAL BLEEDING IN PATIENTS OF LIVER CIRRHOSIS

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Introduction

Acute variceal bleeding is a life-threatening decompensating event in the natural history of cirrhosis. Endoscopic variceal ligation (EVL) along with non-selective beta blockers or carvedilol are current standard of care for patients with acute esophageal variceal bleeding. Use of proton pump inhibitors (PPI) in post EVL period is more of a personal choice as various society guidelines do not recommend continuation of PPI after EVL owing to low quality of evidence to support their use. The literature regarding the benefits of PPI in post EVL re-bleeding and mortality is heterogeneous without any clear answer particularly for mortality.

Aims & Methods

We conducted a single centre, outcome assessor blinded prospective randomized control trial where patients of liver cirrhosis with suspected or documented acute variceal bleeding were screened and those who underwent EVL were randomized into PPI or No-PPI group. Patients in the PPI group received Tab esomeprazole 40 mg once a day in addition to standard of care for all the patients. Both groups were followed up at 2 weeks post index EVL after randomization for occurrence of rebleeding and a repeat upper gastrointestinal endoscopy (UGIE) to document presence or absence of post EVL ulcers, their number and size. All patients were again followed up at 3 months for development of recurrent bleeding, mortality and adverse effect like pain and dysphagia post EVL. Primary outcome was to compare the rate of recurrent bleeding after EVL between the 2 groups. Secondary outcomes were to assess the difference in mortality, number and size of post EVL ulcers and adverse effects in the form of pain and dysphagia post EVL. Association between categorical outcomes was assessed by cross tabulation and comparison of percentages. Chi square test was used to test statistical significance. The association between quantitative variables was assessed by independent sample t-test to assess statistical significance. A p value of <0.05 was considered significant.

Results

A total of 246 patients were screened from June 2023 to April 2024 and 170 patients were randomized to both the groups. Baseline parameters were comparable between the groups. In the primary outcome, number of patients who developed recurrent bleeding episode were 23 (28.05%) in the no-PPI group, which were significantly more in comparison to 9 (11.54%) in the PPI group (p=0.009). Among the secondary outcomes, incidence of mortality was higher in the no-PPI group [16 (19.51%) vs 13 (16.67%) respectively], although statistically non-significant (p=0.640). All 16 (100%) deaths in the no-PPI group were related to rebleeding episode in comparison to only 5 (38.46%) deaths in the PPI group (p=0.035). Incidence of post EVL ulcers was significantly more in the no-PPI group [65 (86.67%) vs 22 (30.99%) respectively; p<0.001]. Median post EVL ulcer number and size were also significantly higher in the no-PPI group [1 (IQR 1,2) vs 0 (IQR 0,1) (p=<0.001); 6 mm (IQR 5,8) vs 5 mm (IQR 5,6) (p=0.0061) respectively]. At 2 weeks, chest pain was reported by 7 (9.33%) patients in the no PPI group vs 2 (2.82%) patients in the PPI group (p=0.167). No patient reported dysphagia at 2 weeks. No patient reported chest pain or dysphagia at 3 months.

Conclusion

Prescription of PPI after EVL in patients of liver cirrhosis with acute esophageal variceal bleeding is beneficial as it significantly decreases the recurrent bleeding episodes as well as mortality in such patients.

A RANDOMIZED CONTROLLED TRIAL TO STUDY THE EFFECT OF PROTON PUMP INHIBITORS ON RECURRENT BLEEDING EPISODES AND MORTALITY AFTER ENDOSCOPIC VARICEAL LIGATION FOR ACUTE VARICEAL BLEEDING IN PATIENTS OF LIVER CIRRHOSIS

Harshal Mandavdhare 1, ABHISHEK YADAV 1, Vishal Sharma 1, Jimil Shah 1, Atul Saroch 1, VANEET JEARTH 1, Jayanta Samanta 1, Anupam Kumar Singh 1, Saroj Kant Sinha 1

1 Post Graduate Institute Of Medical Education And Research, Chandigarh, Chandigarh, India

Event

UEG Week Berlin 2025

Topics

Endoscopy Oesophagus

Submission format

Abstract

Session

Randomised controlled trials in upper GI endoscopy

Citation

United European Gastroenterology Journal 2025; 13 (Supplement 8)

Published

2025

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EXPLORING THE POTENTIAL OF ARTIFICIAL INTELLIGENCE IN ASSESSING THE RISK OF GASTRIC NEOPLASTIC LESIONS IN PATIENTS WITH CORPUS ATROPHIC GASTRITIS

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Introduction

Corpus atrophic gastritis (CAG) requires endoscopic-histological surveillance due to the risk of developing gastric neoplastic lesions (GNL). This study aimed to identify variables associated with GNL development at long-term follow-up using a feature ranking method based on a novel One-Class Support Vector Machine (SVM) model.

Aims & Methods

A dataset containing clinical, endoscopic, and histological variables from consecutive CAG patients (2001-2023) adhering to a surveillance program was considered. GNL presence at the longest available follow-up was recorded. Gastric biopsies and histological evaluations were conducted according to the updated Sydney system. CAG patients with any missing data or a GNL diagnosis at the baseline gastroscopy were excluded from the final analysis. A Fisher score-based feature ranking method and One-Class SVM were used to select the optimal subset of baseline variables associated with GNL development, aiming to achieve average sensitivity (Se) and specificity (Sp) above 80%.

Results

Overall, 355 CAG patients were initially considered. Of these, 36 were excluded due to the presence of GNL at baseline gastroscopy, and 216 for missing data. Thus, a total of 103 patients were considered and grouped into: CAG patients with [22 patients (F 68.1%), median age 68 (35-83) years] and without GNL at follow-up [81 patients (F 72.8%), median age 59(26-84) years]. After a median follow-up of 60 (12-192) months, 13 epithelial GNL (gastric adenocarcinoma or high/low-grade dysplasia) and nine type-1 gastric-neuroendocrine-tumors (T1gNET) were recorded. Parietal-cell-antibodies and pepsinogen-I < 30 μg/l were associated with both epithelial GNL and T1gNET. Antral inflammation and age > 60 were linked to epithelial GNL, while anti-thyroperoxidase-antibodies, smoking, and dyspeptic symptoms at CAG diagnosis were linked to T1gNET. Low-dose aspirin and H. pylori eradication therapy showed inverse associations with epithelial GNL and T1gNET, respectively.

Conclusion

This is the first study in which an AI model simultaneously considers clinical, endoscopic, and histological characteristics from a dataset of CAG patients, showing good sensitivity and specificity in identifying those variables associated with developing GNL. Nonetheless, we acknowledge the need for improved variable standardization and data balancing between groups to enhance model performance further.