期刊
UROLOGY
卷 76, 期 3, 页码 548-552出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.urology.2010.03.021
关键词
-
资金
- Ministry of Health, Labour and Welfare, Japan
OBJECTIVES Previous studies on the relationship between nephrectomy volume and outcomes focused mainly on operative mortality. Little is known about the association between operative volume and postoperative complications. This study analyzed the influence of hospital volume on postoperative complications and in-hospital mortality after nephrectomy or nephroureterectomy. METHODS Using the Diagnosis Procedure Combination database in Japan, 7988 patients undergoing nephrectomy or nephroureterectomy between July and December in 2006 and 2007 were identified. The cases were divided into low (<26/y), medium (27-64), or high (>65) hospital volume groups. Logistic regression analyses were performed to model the concurrent effects of hospital volume and other factors on postoperative complications and in-hospital mortality. RESULTS In-hospital mortality was 0.84%. The overall postoperative complication rate was 7.4%. Factors associated with mortality or morbidity were age, hypertension, chronic lung diseases, cardiac diseases, chronic renal failure, and duration of anesthesia. Video-assisted surgery showed a significantly lower rate of mortality (odds ratio [OR], 0.28; P <.01) and postoperative complications (OR, 0.47; P <.01) than open surgery. The difference of mortality between high and low-volume groups was not significant (0.5% vs 1.0%) (OR, 0.48; P = .089). Although higher hospital volume was associated with fewer postoperative complications (OR, 0.72; P = .014), the difference was slight (7.1% vs 7.8%). CONCLUSIONS Less comorbidity and invasive surgery and shorter anesthesia were associated with lower mortality and morbidity after renal surgery. Despite volume disparities, the magnitude of difference was only 0.7% in complications and 0.5% in mortality. UROLOGY 76: 548-552, 2010. (c) 2010 Elsevier Inc.
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