PURPOSE: We compared the in-hospital outcomes between bipolar and monopolar transurethral resection of the prostate (B-TURP and M-TURP, respectively) on a real-world practice using a large database. PATIENTS AND METHODS: Patients who underwent TURP were extracted from the Diagnosis Procedure Combination database, which is a case-mix administrative claims database in Japan. TURP procedures were classified into M-TURP and B-TURP groups according to intraoperative use or nonuse of D-sorbitol solution, respectively, which is the only nonelectrolyte bladder irrigation fluid for M-TURP available in Japan. To exclude causality among autologous and homologous transfusion events, we confined eligible hospitals to those in which no autologous blood preparation was undertaken for TURP and whose annual surgical caseloads were 15 cases or more. Multivariate analyses were conducted for homologous transfusion, postoperative complications, operative time, postoperative length of stay, and total costs. RESULTS: There were 5155 M-TURP and 1531 B-TURP patients identified. The results for M-TURP vs B-TURP (effect sizes were evaluated with reference to M-TURP) were 2.3% vs 1.3% for transfusion (odds ratio [OR]=0.54; P=0.013), 3.3% vs 1.7% for postoperative complications (OR=0.46; P<0.01), 98 vs 116 minutes for operative time (20.5% increase; P<0.001), 8.65 vs 8.45 days for postoperative stay (3.6% reduction; P=0.003), and $6103 vs $6062 for cost (1.7% reduction; P=0.018). CONCLUSION: B-TURP had significantly lower rates of transfusion and postoperative complications, but a longer operative time. The impacts of B-TURP on shortening the hospital stay and lowering the costs were of little clinical significance.
PURPOSE: We compared the in-hospital outcomes between bipolar and monopolar transurethral resection of the prostate (B-TURP and M-TURP, respectively) on a real-world practice using a large database. PATIENTS AND METHODS: Patients who underwent TURP were extracted from the Diagnosis Procedure Combination database, which is a case-mix administrative claims database in Japan. TURP procedures were classified into M-TURP and B-TURP groups according to intraoperative use or nonuse of D-sorbitol solution, respectively, which is the only nonelectrolyte bladder irrigation fluid for M-TURP available in Japan. To exclude causality among autologous and homologous transfusion events, we confined eligible hospitals to those in which no autologous blood preparation was undertaken for TURP and whose annual surgical caseloads were 15 cases or more. Multivariate analyses were conducted for homologous transfusion, postoperative complications, operative time, postoperative length of stay, and total costs. RESULTS: There were 5155 M-TURP and 1531 B-TURP patients identified. The results for M-TURP vs B-TURP (effect sizes were evaluated with reference to M-TURP) were 2.3% vs 1.3% for transfusion (odds ratio [OR]=0.54; P=0.013), 3.3% vs 1.7% for postoperative complications (OR=0.46; P<0.01), 98 vs 116 minutes for operative time (20.5% increase; P<0.001), 8.65 vs 8.45 days for postoperative stay (3.6% reduction; P=0.003), and $6103 vs $6062 for cost (1.7% reduction; P=0.018). CONCLUSION: B-TURP had significantly lower rates of transfusion and postoperative complications, but a longer operative time. The impacts of B-TURP on shortening the hospital stay and lowering the costs were of little clinical significance.
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