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  • Title: Open heart surgery in patients with end-stage renal failure: fifteen-year experience.
    Author: Bahar I, Akgul A, Demirbag AE, Altinay L, Thompson LO, Boran M, Ozatik MA, Birincioglu L.
    Journal: J Card Surg; 2009; 24(1):24-9. PubMed ID: 18778299.
    Abstract:
    OBJECTIVE: Risk factors and results of cardiac surgery with cardiopulmonary bypass (CPB) in hemodialysis-dependent renal failure patients at our center were evaluated. METHODS: Out of 16,425 patients undergoing open heart surgery with CPB at our center between January 1991 and April 2006, 91 (0.6%) experienced hemodialysis-dependent end-stage renal failure. Preoperative, operative, and postoperative findings of two groups of patients were evaluated: those with normal renal function (control group) and those with chronic renal failure undergoing regular hemodialysis (HDRF group). Survival analyses of the hemodialysis group of patients were performed. RESULTS: In the hemodialysis group, 54 (59.3%) patients underwent coronary artery surgery, 31 (34.1%) patients had valve surgery, four (4.4%) patients had aortic surgery, and two others (2.2%) experienced concomitant coronary and peripheral artery surgery. CPB and aortic cross-clamping (ACC) times were longer in the HDRF group (p=0.000 and 0.002, respectively). There was no significant difference between the two groups with regard to either reoperations, infections, pulmonary and gastrointestinal system complications, or cerebrovascular event parameters (p=0.167, 0.341, 1.000, 1.000, and 1.000, respectively). There was no difference between groups in the postoperative development of low cardiac output (p=0.398). The early mortality rate was 7.7% (seven patients) in the HDRF group and 4.8% (780 patients) in the controls (p=0.211). The actuarial survival rates in HDRF survivors at one, two, three, four, five, and ten years were overall 86%, 80%, 68.1%, 45.4%, 20%, and 6.8%, respectively. CONCLUSIONS: Open heart surgery in hemodialysis patients is associated with a higher incidence of risks, but can be performed with acceptable operative complications and mortality with an effective hemodialysis program.
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