Renal hilar control during laparoscopic partial nephrectomy: to clamp or not to clamp

Journal of Endourology
Hyun Jung KooIsaac Yi Kim

Abstract

To decrease intraoperative and perioperative morbidity that is associated with laparoscopic partial nephrectomy (LPN), clamping of the renal hilum has been advocated. It has been suggested, however, that renal hilar control is not necessary in all patients. We compared the perioperative and pathologic results of 21 consecutive patients who underwent LPN with or without renal hilar clamping at our institution. Twenty-one patients underwent LPN over a 24-month period. Of these, 11 LPNs were completed without hilar control while 10 needed hilar clamping. Renal hilar control was deemed necessary if the depth of tumor invasion was greater than 50% of the renal parenchyma on CT or MRI. Only the artery was clamped. We retrospectively analyzed the intraoperative, perioperative, and the pathologic results. The mean tumor size was 2.6 cm (range 0.8-4.2 cm) in the nonclamped group and 2.3 cm (range 1.5-3 cm) in the clamped group. The mean operative time was 174 minutes (range 95-270 min) in the nonclamped group and 232 minutes (range 180-270 min) in the clamped group. The mean ischemia time was 29 minutes (range 21-45 min) in the clamped group. The mean postoperative serum creatinine level was 1.1 mg/dL (range 0.7-2.0 mg/dL) in the noncla...Continue Reading

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