Laparoscopic partial nephrectomy for renal tumor:: Single center experience comparing clamping and no clamping techniques of the renal vasculature

被引:157
作者
Guillonneau, B
Bermúdez, H
Gholami, S
El Fettouh, H
Gupta, R
Rosa, JA
Baumert, H
Cathelineau, X
Fromont, G
Vallancien, G
机构
[1] Inst Mutualiste Montsouris, Dept Urol, Paris, France
[2] Inst Mutualiste Montsouris, Dept Pathol, Paris, France
关键词
kidney; nephrectomy; laparoscopy; kidney neoplasms; blood vessels;
D O I
10.1016/S0022-5347(05)63939-0
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Purpose: We performed a nonrandomized retrospective comparison of 2 techniques for laparoscopic partial nephrectomy, that is without and with clamping the renal vessels. Materials and Methods: Between December 1997 and February 2002, 28 consecutive patients underwent transperitoneal laparoscopic partial nephrectomy for renal tumor. In group 1 (12 patients) partial nephrectomy was performed with ultrasonic shears and bipolar cautery without clamping the renal vessels, while in group 2 (16 patients) the renal pedicle was clamped before tumor excision. In group 2 patients intracorporeal kidney cooling was achieved by a ureteral catheter connected to 4C solution. Intracorporeal freehand suturing techniques were used to close the collecting system when opened and approximate the renal parenchyma. Results: All procedures were successfully completed laparoscopically. Mean renal ischemia time +/- SD was 27.3 +/- 7 minutes (range 15 to 47) in group 2 patients. Mean laparoscopic operating time was 179.1 +/- 86 minutes (range 90 to 390) in group 1 compared with 121.5 +/- 37 minutes (range 60 to 2 10) in group 2 (p = 0.004). Mean intraoperative blood loss was significantly higher in group 1 than in group 2 (708.3 +/- 569 versus 270.3 +/- 281 ml., p = 0.014). Three patients in group 1 and 2 in group 2 required blood transfusions. Immediately postoperatively mean creatinine was 1.26 +/- 0.36 and 1.45 +/- 0.61 mg./dl. in groups 1 and 2, respectively (p = 0.075). Surgical margins were negative in all specimens. Pathological examination revealed renal cell cancer in 18 cases (stages pT1 in 17 and pT3a in 1), oncocytoma in 4, angiomyolipoma in 5 and renal adenoma in 1. Conclusions: Laparoscopic partial nephrectomy represents a feasible option for patients with small renal masses. Clamping the renal vessels during tumor resection and suturing the kidney mimics the open technique and seems to be associated with less blood loss and shorter laparoscopic operative time.
引用
收藏
页码:483 / 486
页数:4
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