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Coronary artery bypass grafting in patients on maintenance dialysis: is peritoneal dialysis a risk factor of

Hui Zhong1, Tirone David, Ai Hua Zhang

  • 1Department of Medicine, Division of Nephrology, University Health Network and University of Toronto, Toronto, ON, Canada. zhongyihui@hotmail.com

International Urology and Nephrology
|December 3, 2008
PubMed

Insights

Older age and peritoneal dialysis increase operative mortality risk in patients undergoing coronary artery bypass grafting (CABG). Extra caution is advised for elderly peritoneal dialysis patients considering CABG surgery.

Area of Science:

  • Cardiovascular Surgery
  • Nephrology
  • Critical Care Medicine

Background:

  • Coronary artery bypass grafting (CABG) is increasingly performed in patients on dialysis.
  • Identifying operative mortality risk factors in this population is crucial.

Purpose of the Study:

  • To identify risk factors for operative mortality in dialysis patients undergoing CABG.

Main Methods:

  • Retrospective analysis of 105 dialysis patients (maintenance dialysis for ≥2 months) who underwent CABG.
  • Data collected included comorbidities, procedures, and outcomes.
  • Logistic regression analysis was used to determine risk factors for operative mortality.

Main Results:

  • Overall in-hospital mortality was 7.6%.
  • Older age (≥70 years) and peritoneal dialysis (PD) were identified as independent risk factors for operative mortality.
  • PD patients experienced higher rates of post-operative complications like dialysate leak and peritonitis.

Conclusions:

  • Older patients on peritoneal dialysis (PD) face higher operative mortality following CABG compared to hemodialysis (HD) patients.
  • Careful consideration and potentially enhanced monitoring are recommended for elderly PD patients undergoing CABG.
  • Further research is needed to elucidate the specific reasons for increased mortality in this subgroup.
Abstract

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