Stress ulcer prophylaxis in the critically ill: a meta-analysis

Area of Science:

• Critical care medicine
• Gastroenterology
• Pharmacology

Background:

• Critically ill patients are at high risk for gastrointestinal bleeding.
• Stress ulcer prophylaxis is commonly used to prevent this complication.
• The comparative effectiveness of different prophylactic agents is not fully established.

Purpose of the Study:

• To compare the efficacy of antacids, histamine-2-receptor antagonists, and sucralfate in preventing stress ulcer-related bleeding.
• To assess the impact of stress ulcer prophylaxis on clinically important bleeding and overall mortality.

Main Methods:

• A comprehensive literature search was conducted to identify relevant randomized controlled trials.
• Data from 42 trials were independently reviewed and analyzed.
• Outcomes evaluated included overt bleeding, clinically important bleeding, and mortality.

Main Results:

• Both antacids and histamine-2-receptor antagonists significantly reduced overt gastrointestinal bleeding.
• Histamine-2-receptor antagonists were more effective than antacids in reducing overt bleeding.
• Only histamine-2-receptor antagonists demonstrated a significant reduction in clinically important bleeding.

Conclusions:

• Stress ulcer prophylaxis with antacids or histamine-2-receptor antagonists is effective in reducing overt gastrointestinal bleeding in critically ill patients.
• Histamine-2-receptor antagonists offer superior efficacy for both overt and clinically important bleeding compared to antacids.
• Stress ulcer prophylaxis does not appear to reduce mortality in the intensive care unit setting.