Abstract
INTRODUCTION: Acute gastrointestinal bleeding is a common gastrointestinal emergency. Only limited studies are available regarding the clinical outcomes after computed tomographic angiography (CTA) mesentery showed negative for active bleed. This study aims to determine the clinical outcome of negative mesentery CTA in patients with clinically active acute gastrointestinal (GI) bleeding. MATERIAL AND METHODS: A cross-sectional study with a universal sampling method was used. Patients who underwent CTA to detect gastrointestinal bleeding in the National University Hospital of Malaysia from December 2015 until March 2021 were retrospectively analysed. The outcome of each patient, risk of re-bleeding, and 30-days mortality rate were evaluated and assessed. RESULTS: In total, 280 CTAs were performed on 232 patients, with 186 of them showing negative results on their first initial CTA. 40.8% (76/186) of those with negative initial CTA had recurrent bleeding and 73.6% (56/76) of them required active intervention. We found that the risk of re-bleeding is lower in the upper gastrointestinal group compared to the lower gastrointestinal group (OR=1.5, 95% CI: 0.877- 2.852, p: 0.128). The overall 30 days mortality rate after the first negative CTA was 23.1% (43/186). Among those patients who experienced re-bleeding, 32.8% (25/76) died within 30 days, with 18.4% (14/76) succumbing to massive bleeding. CONCLUSION: From our analysis, it can be concluded that a clinically active GI bleeding with negative mesentery CTA has a 40.8% chance to re-bleed with 23.1% 30-day mortality rate. Close observation and follow-up
Published Version
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