Why the study?
Does preoperative renal dysfunction with or without dialysis increase early postoperative complications and mortality in patients undergoing cardiac surgery?
Population
3,598 consecutive patients undergoing cardiac surgery, divided into normal kidneys, renal dysfunction, and…
Comparison
Preoperative renal dysfunction vs Normal kidney function
Design
Cohort
Follow-up
Early postoperative period
Authors
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Dialysis dependence signals highest perioperative mortality; supports refined risk stratification but leaves causal impact of interventions open.
Does preoperative renal dysfunction with or without dialysis increase early postoperative complications and mortality in patients undergoing cardiac surgery?
Preoperative renal dysfunction, particularly dialysis dependence, is an independent predictor of increased early postoperative complications and mortality following cardiac surgery.
Al-Sarraf et al. (2010) studied this question.
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