emDOCs.net Emergency Medicine (EM) Podcast · emDOCs.net EM Crew

Episode 125: Upper GI Bleeding Evidence and Controversies Part 1

·19 min·1 clip

Why recent data shows NG tube lavage fails to help differentiate upper from lower GI bleeding sources.

Hosts Britt Long and Manny Singh present an evidence-based review of emergency management for acute upper gastrointestinal bleeding. This first episode of a two-part series focuses on initial controversies and medications. They establish that upper GI bleeding originates above the ligament of Treitz and results in over 250,000 annual admissions. Peptic ulcer disease causes up to half of all cases, while variceal bleeding is typically the most severe form. Risk factors include prior bleeding, anticoagulant use, NSAIDs, older age, H. pylori infection, and renal disease. Presentation ranges from mild hematemesis to shock and airway compromise. The hosts first debate nasogastric tube lavage, noting one RCT found it did not improve prediction of high-risk lesions needing endoscopy. Studies show NG lavage offers no benefit in mortality, length of stay, need for surgery, or transfusion, though it may shorten time to endoscopy. For transfusion, a restrictive threshold of 7 g/dL is recommended for stable patients, or 8 g/dL for those with cardiovascular disease, based on a 2013 RCT of nearly 900 patients. A 2021 meta-analysis found no difference in 30-day mortality between restrictive and liberal transfusion strategies, but fewer transfusions with the restrictive approach. The HALT-IT trial with over 12,000 patients found TXA did not reduce death from bleeding but increased VTE and seizure risk. For PPIs, a Cochrane review of 21 RCTs found therapy reduced re-bleeding and surgical intervention in confirmed peptic ulcer disease but did not lower mortality. Another review of 6 RCTs found no mortality benefit for PPIs in undifferentiated bleeding prior to endoscopy. Dosing regimens like an 80 mg pantoprazole bolus with infusion versus 40-80 mg IV twice daily show no outcome differences. A 2016 meta-analysis found erythromycin prior to endoscopy improved visualization and reduced need for a second procedure. A 2023 Cochrane review confirmed improved visualization with erythromycin but found no difference in mortality or re-bleeding. For patients with cirrhosis and bleeding, a Cochrane review of 12 studies found antibiotics improved survival with a NNT of 22 and reduced infection with a NNT of 4. Octreotide, a somatostatin analog, has not shown benefit for non-variceal bleeding but may be considered in unstable variceal bleeding when endoscopy is unavailable. Platelet transfusion is advised for critically ill patients with counts under 50,000 but not for reversing antiplatelet agents. The tone is educational and conversational, directly translating clinical evidence into practical emergency department guidance. Emergency physicians, residents, and advanced practice providers managing acute GI bleeding would find this episode highly relevant. Listeners seeking a broad overview without detailed evidence or those only interested in procedural aspects like endoscopy might prefer to wait for part two.

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