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Acute renal failure following cardiac operations
The Journal of Thoracic and Cardiovascular Surgery
|February 1, 1980
Summary
Acute renal failure after cardiopulmonary bypass (CPB) occurred in 1.5% of patients, with a 27% mortality rate. Early, aggressive dialysis significantly improved outcomes for patients experiencing kidney injury post-CPB.
Area of Science:
- Nephrology
- Cardiology
- Critical Care Medicine
Background:
- Acute renal failure (ARF) is a significant complication following cardiopulmonary bypass (CPB).
- Previous reports indicate a high mortality rate associated with ARF post-CPB.
Purpose of the Study:
- To retrospectively analyze the incidence and clinical course of acute renal failure after cardiopulmonary bypass.
- To evaluate the effectiveness of early dialysis in managing ARF post-CPB.
Main Methods:
- Retrospective analysis of patients undergoing cardiopulmonary bypass.
- Review of incidence, treatment, and outcomes of acute renal failure.
- Analysis of dialysis initiation timing and patient mortality.
Main Results:
- The incidence of oliguric acute renal failure was 1.5%.
- The mortality rate was 27%, which is lower than previously reported figures.
- Early dialysis (mean 3.6 days post-ARF onset) was initiated for both peritoneal and hemodialysis.
- Survivors experienced a mean duration of ARF of 24 days.
- Causes of death included cardiac failure (one) and sepsis (two).
Conclusions:
- The mortality rate for ARF complicating CPB is comparable to other causes of ARF.
- Early and aggressive dialysis may reduce mortality in patients with ARF following CPB.