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Laparoscopic partial nephrectomy using a microwave tissue coagulator for treating small peripheral renal tumors.

Tsutomu Hamasaki·Yukihiro Kondo·Ichiro Matuzawa·Narumi Tsuboi·Taiji Nishimura
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Abstract

BACKGROUND: Laparoscopic partial nephrectomy has been recently applied as a minimally invasive procedure. Several non-ischemic operation devices in partial nephrectomy have been developed. However, the problem related to maintenance of renal homeostasis remains. We investigated the efficacy and safety of a microwave tissue coagulator in laparoscopic partial nephrectomy. METHODS: Between April 2001 and February 2003, eleven patients with small renal tumors underwent laparoscopic partial nephrectomy using a microwave tissue coagulator. Seven patients underwent hand-assisted laparoscopic procedure and 4 pure laparoscopic procedure. RESULTS: The mean tumor size on preoperative CT scan was 2.5 cm (range: 2.0 to 4.0 cm), the mean operative time was 307 minutes (range: 160 to 580 minutes), and the mean estimated blood loss was 154.4 ml (range: 50 to 1,140 ml). The microwave tissue coagulator well controlled the renal bleeding and maintained renal function. All patients safely underwent partial nephrectomy without inducing renal ischemia. A complication of urine leakage was recognized in only one patient with hypoproteinemia caused by nephrotic syndrome. CONCLUSIONS: Laparoscopic partial nephrectomy using a microwave tissue coagulator was a useful method for achieving homeostasis, and was less invasive for treating small renal tumors.

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AgedCarcinoma, Renal CellElectrocoagulationFemaleHumansKidney NeoplasmsLaparoscopyMaleMicrowavesMiddle AgedNephrectomyJournal Article

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Tsutomu Hamasaki, Yukihiro Kondo, Ichiro Matuzawa, Narumi Tsuboi, Taiji Nishimura. 2004. Laparoscopic partial nephrectomy using a microwave tissue coagulator for treating small peripheral renal tumors.. https://doi.org/10.1272/jnms.71.392

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