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Ito T, Derweesh IH, Ginzburg S, Abbosh PH, Raheem OA, Mirheydar H, Hamilton Z, Chen DY, Smaldone MC, Greenberg RE, Viterbo R, Kutikov A, Uzzo RG
Perioperative Outcomes Following Partial Nephrectomy Performed on Patients Remaining on Antiplatelet Therapy
J Urol (2017) 197:31-36.
Abstract
PURPOSE: We evaluated the risk of bleeding complications in patients undergoing partial nephrectomy in whom perioperative antiplatelet therapy was continued, as antiplatelet therapy is increasingly used and hemorrhage is a significant concern in partial nephrectomy. MATERIALS AND METHODS: In this 2-center retrospective analysis 1,097 patients underwent partial nephrectomy between 2000 and 2014. The cohort was split into 3 groups of perioperative continuation of antiplatelet therapy (group 1-67), antiplatelet therapy stopped preoperatively (group 2-254) and no chronic antiplatelet therapy (group 3-776). Bleeding complications were defined as any transfusion, or any hospital readmission or secondary procedure performed for hemorrhage. Multivariable analysis was performed to elucidate independent risk factors for bleeding complications. RESULTS: Patients in group 1 were older (median age 66 years vs 64 and 57 years in groups 2/3, p <0.0001), and had greater comorbidity (median ASA classification score 3 vs 2 and 2, p <0.0001). Group 1 had a higher rate of bleeding complications (20.9% vs 7.1% and 6.4%, p <0.0001) and transfusions (16.4% vs 5.9% and 5.4%, p=0.002). Multivariable analysis revealed continued antiplatelet therapy was an independent predictor of bleeding complications (OR 2.19, 95% CI 1.06-4.51, p=0.03). These findings appear attributable to intraoperative clopidogrel use. On multivariable analysis the use of aspirin alone was not associated with bleeding complications (OR 1.64, 95% CI 0.72-3.75, p=0.24). CONCLUSIONS: The risk of bleeding complications due to antiplatelet therapy use at partial nephrectomy may be due to clopidogrel. The need to continue perioperative aspirin alone does not appear to be a contraindication to the safe performance of partial nephrectomy.
Note
Publication Date: 2017-01-01.
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Last updated on Thursday, November 02, 2017