Association between ABO blood groups and mortality in upper gastrointestinal bleeding
1Şişli Hamidiye Etfal Education and Research Hospital, Department of Emergency Medicine - Istanbul, Turkey.
Revista Da Associacao Medica Brasileira (1992)
|July 19, 2023
Summary
Patients with upper gastrointestinal bleeding and blood type O had a higher mortality rate. This finding suggests that ABO blood groups may help predict mortality risk in gastrointestinal emergencies.
Area of Science:
- Gastroenterology
- Hematology
- Emergency Medicine
Background:
- Gastrointestinal bleeding is a significant cause of emergency department visits.
- Understanding risk factors for mortality in upper gastrointestinal bleeding (UGIB) is crucial for patient management.
Purpose of the Study:
- To investigate the association between ABO blood groups and in-hospital mortality in patients diagnosed with UGIB.
- To determine if blood type O influences mortality outcomes in UGIB patients.
Main Methods:
- Retrospective analysis of 274 patients with UGIB admitted to a tertiary hospital's emergency department.
- Comparison of mortality rates between patients with blood type O and non-O blood groups.
- In-hospital mortality was the primary outcome measure.
Main Results:
- The study included 274 UGIB patients and 274 controls.
- Patients with blood type O exhibited a statistically significant higher in-hospital mortality rate (16.2%) compared to non-O blood groups (7.5%) (p=0.032).
Conclusions:
- Blood type O is associated with increased mortality in patients experiencing gastrointestinal bleeding.
- ABO blood group typing can serve as a potential predictor for mortality risk in patients with UGIB.
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