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  • Title: Laparoscopic partial nephrectomy in solitary kidney.
    Author: Gill IS, Colombo JR, Moinzadeh A, Finelli A, Ukimura O, Tucker K, Kaouk J, Desai M.
    Journal: J Urol; 2006 Feb; 175(2):454-8. PubMed ID: 16406970.
    Abstract:
    PURPOSE: We report our experience with LPN for tumor in a solitary kidney. MATERIALS AND METHODS: Of 430 patients undergoing LPN since February 1999 at our institution 22 (5%) underwent LPN for tumor in a solitary kidney, as performed by a single surgeon. The laparoscopic technique that we used duplicated open principles, including hilar clamping, cold cut tumor excision and sutured renal reconstruction. RESULTS: Mean tumor size was 3.6 cm (range 1.4 to 8.3, median 3 cm), median blood loss was 200 cc (range 50 to 500), warm ischemia time was 29 minutes (range 14 to 55), total operative time was 3.3 hours (range 2.2 to 4.5) and hospital stay was 2.8 days (range 1.3 to 12). Two cases (9%) were electively converted to open surgery. Pathological findings confirmed renal cell carcinoma in 16 patients (73%) with negative surgical margins in all those with LPN. Major complications occurred in 3 patients (15%) and minor complications developed in 7 (32%). Median preoperative and postoperative serum creatinine (1.2 and 1.5 mg/dl) and estimated glomerular filtration rate (67.5 and 50 ml per minute per 1.73 m2) reflected a change of 33% and 27%, respectively, which appeared proportionate to the median amount of kidney parenchyma excised (23%). One patient (4.5%) required temporary hemodialysis. At a median followup of 2.5 years (range 0.5 to 4.5) cancer specific and overall survival was 100% and 91%, respectively. No patient with LPN had local or port site recurrence, or metastatic disease. CONCLUSIONS: LPN can be performed efficaciously and safely in select patients with tumor in a solitary kidney. To our knowledge we present the largest series in the literature. Advanced laparoscopic experience and expertise are necessary in this high risk population.
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