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  • Title: Robot-assisted partial nephrectomy for sporadic ipsilateral multifocal renal tumours.
    Author: Laydner H, Autorino R, Spana G, Altunrende F, Yang B, Khanna R, White MA, Isac W, Hillyer S, Haber GP, Stein RJ, Kaouk JH.
    Journal: BJU Int; 2012 Jan; 109(2):274-80. PubMed ID: 21883816.
    Abstract:
    OBJECTIVE: To report our short-term results of robot-assisted partial nephrectomy for treating sporadic multiple ipsilateral renal tumours. METHODS: Over a 3-year period, eight patients with two or more ipsilateral renal masses underwent nine robotic partial nephrectomies in our institution. We evaluated the PADUA and R.E.N.A.L. nephrometry scores, intraoperative outcomes, histopathological characteristics, complications according to Clavien classification and renal function outcomes. RESULTS: In total, 19 tumours were removed from eight patients in nine procedures. Mean operative time was 199 ± 47 min (median 200; range 150-300). Mean size of the dominant lesion was 3.0 ± 1.1 cm (2.7; 1.6-4.8) and overall mean tumour size was 2.2 ± 1.2 cm (1.9; 0.4-4.8). Mean number of tumours removed per patient was 2.4. Median PADUA and R.E.N.A.L. scores were 7 and 6 (with the predominance of an anterior, non-hilar position), respectively. Excluding the six off-clamp resected tumours, the mean warm ischaemia time was 21 ± 9.2 min (21; 10-35). Mean estimated blood loss was 250 ± 154 mL (200; 100-500) and no patient required transfusion. There were no intraoperative complications or conversion to open surgery. One patient had atrial fibrillation, resolved with anti-arrhythmic drugs. Mean length of stay was 4.2 ± 0.97 days. Sixteen of the nineteen tumours were malignant, most of papillary type and Fuhrman grade II. The mean decrease in glomerular filtration rate was 4%, with a mean follow-up of 14 months. CONCLUSIONS: Robotic partial nephrectomy for sporadic ipsilateral multifocal renal tumours is feasible and safe. Off-clamp resection of multiple tumours can also be safely performed in carefully selected lesions.
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