Surgical Revascularization in Patients with End-Stage Renal Disease: Results Using a New Paradigm in Outcomes Assessment

Jones, Wesley B.; Cull, David L.; Kalbaugh, Corey A.; Cass, Anna L.; Taylor, Spence M.
June 2007
American Surgeon;Jun2007, Vol. 73 Issue 6, p598
Academic Journal
Studies evaluating the outcome of surgical revascularization (SR) for critical limb ischemia in patients who have end-stage renal disease (ESRD) have differed widely in their findings and conclusions. Differences in definitions of success are largely responsible for the varying outcomes. We developed a method of outcomes assessment that incorporates four all-inclusive endpoints to define success. These include primary graft patency to the point of wound healing, postoperative survival of at least 6 months, limb salvage of at least 1 year, and maintenance of ambulatory status of at least 6 months. The purpose of this study was to use this novel method of defining success to determine the outcome of SR in patients with ESRD. From 1998 to 2004, 40 patients (52 limbs) with ESRD and tissue loss underwent SR for limb salvage. Secondary graft patency and limb salvage rates at 36 months were 54.7 per cent and 53 per cent, respectively. When considering each of the four components used to define success separately, success encouragingly ranged between 60 per cent (patent graft until wound healing) and 87.5 per cent (survival for 6 months). However, if all parameters were combined, clinical success was achieved in only 40 per cent (16/40) of patients. Coronary artery disease was the only factor found to significantly reduce success (P = 0.04). In conclusion, using this multiparameter definition of success, which combines four rather modest outcome milestones, favorable outcome occurred in the minority of cases. This study challenges our current method of analyzing success and questions our therapeutic approach to patients with critical limb ischemia and ESRD.


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