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Laparoscopic off-clamp partial nephrectomy using soft coagulation.

Fumiya Hongo1, Akihiro Kawauchi2, Takashi Ueda1

  • 1Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan.

International Journal of Urology : Official Journal of the Japanese Urological Association
|May 20, 2015
PubMed
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Soft coagulation enables safe off-clamp laparoscopic partial nephrectomy for renal tumors. This technique demonstrated comparable outcomes to traditional clamping methods, with no significant differences in margins or blood loss.

Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Oncology

Background:

  • Partial nephrectomy is standard for renal tumors.
  • Off-clamp techniques aim to preserve renal function.
  • Soft coagulation is a hemostatic method.

Purpose of the Study:

  • To evaluate the efficacy and safety of soft coagulation in off-clamp laparoscopic partial nephrectomy.
  • To compare outcomes with traditional hilar clamping.

Main Methods:

  • 32 patients underwent off-clamp laparoscopic partial nephrectomy using soft coagulation.
  • Tumor resection utilized bipolar forceps and a ball electrode.
  • Outcomes were compared to 30 patients treated with hilar clamping.

Main Results:

Keywords:
laparoscopyoff-clamppartial nephrectomyrenal cell cancersoft coagulation

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  • The off-clamp procedure was successful in 31 cases.
  • No significant differences in patient demographics, tumor characteristics, positive margins, or blood loss were observed.
  • Operative time was longer in the off-clamp group, but renal function (serum creatinine) at 3 months was similar between groups.

Conclusions:

  • Soft coagulation is a safe and effective method for off-clamp laparoscopic partial nephrectomy.
  • This technique offers a viable alternative to traditional hilar clamping without compromising oncological or functional outcomes.