Related Experiment Videos
Acute mesenteric ischemia after cardiopulmonary bypass
1Division of Vascular Surgery, Maimonides Medical Center, Brooklyn, New York 11219.
American Journal of Surgery
|August 1, 1993
Summary
Elderly patients undergoing cardiopulmonary bypass face a higher risk of acute mesenteric ischemia, a serious complication. This study highlights the increased incidence of this fatal condition in older individuals post-surgery.
Area of Science:
- Cardiology
- Gastroenterology
- Geriatric Medicine
Background:
- Cardiopulmonary bypass (CPB) is a critical procedure in cardiac surgery.
- Acute mesenteric ischemia (AMI) is a known but potentially underrecognized complication post-CPB.
- The incidence and risk factors for AMI after CPB, particularly in elderly populations, require further investigation.
Purpose of the Study:
- To determine the incidence of acute mesenteric ischemia (AMI) following cardiopulmonary bypass (CPB).
- To investigate the association between patient age and the risk of developing AMI after CPB.
- To analyze the outcomes and mortality associated with AMI in patients who underwent CPB.
Main Methods:
- Retrospective analysis of 3,066 patients who underwent CPB between January 1, 1987, and January 1, 1992.
- Categorization of patients based on age groups: <70, 70-79, and ≥80 years.
- Statistical analysis using the exact trend test to assess the relationship between age and AMI incidence.
Main Results:
- Eleven patients (0.36%) developed acute mesenteric ischemia (AMI) post-CPB.
- The incidence of AMI was significantly higher in older patients compared to younger patients (p<0.05).
- All patients diagnosed with AMI presented with severe symptoms and extensive bowel necrosis, leading to a 100% mortality rate in this subgroup.
Conclusions:
- Acute mesenteric ischemia (AMI) is a significant and potentially underestimated cause of mortality after cardiopulmonary bypass (CPB).
- Elderly patients represent a vulnerable group with a statistically increased risk of developing fatal AMI post-CPB.
- Early recognition and management strategies for AMI in the elderly undergoing CPB are crucial to potentially improve outcomes, although current outcomes are dire.