Proton-Pump Inhibitors to Prevent Gastrointestinal Bleeding - An Updated Meta-Analysis.

Area of Science:

• Critical Care Medicine
• Gastroenterology
• Pharmacology

Background:

• Stress ulcer prophylaxis is crucial for critically ill patients.
• Proton-pump inhibitors (PPIs) are commonly used for this purpose.
• Evidence on PPI efficacy and safety in this population requires synthesis.

Purpose of the Study:

• To systematically review the efficacy and safety of PPIs for stress ulcer prophylaxis.
• To evaluate PPIs' impact on bleeding, mortality, and infections in critically ill adults.
• To explore potential differential effects of PPIs on mortality based on disease severity.

Main Methods:

• Systematic review and meta-analysis of randomized controlled trials.
• Included 12 trials with 9533 critically ill adult patients.
• Assessed certainty of evidence using GRADE and credibility of subgroup analyses.

Main Results:

• PPIs significantly reduced clinically important upper gastrointestinal bleeding (high certainty).
• PPIs showed little to no effect on overall mortality (low certainty).
• Subgroup analysis suggested PPIs may decrease mortality in less severely ill patients but increase it in more severely ill patients.

Conclusions:

• High certainty evidence supports PPIs for reducing upper gastrointestinal bleeding.
• PPIs' effect on mortality is uncertain and may be severity-dependent.
• Further research may clarify PPIs' role in specific patient subgroups.