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Zero ischaemia laparoscopic nephron-sparing surgery by re-suturing.

Jinshan Lu1, Qiang Zu1, Qingshan Du1

  • 1Department of Urology, General Hospital of the People's Liberation Army, PR China.

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|December 6, 2014
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Summary

A novel pre-suture technique in laparoscopic nephron-sparing surgery (LNSS) significantly reduces or eliminates ischemia time for renal cell carcinoma treatment. This method minimizes ischemia-reperfusion injury, offering a viable option for small renal tumors.

Keywords:
ischemialaparoscopic nephron sparing surgerypre-suturerenal cell carcinoma

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Area of Science:

  • Urology
  • Surgical Oncology
  • Nephrology

Background:

  • Renal cell carcinoma (RCC) treatment often involves managing ischemia during surgery.
  • Minimizing ischemia time is crucial to prevent renal ischemia-reperfusion injury.
  • Laparoscopic nephron-sparing surgery (LNSS) is a standard approach for small renal tumors.

Purpose of the Study:

  • To introduce and evaluate a pre-suture technique in LNSS.
  • To assess the feasibility of reducing or eliminating ischemia time during LNSS.
  • To determine the safety and efficacy of this technique for RCC treatment.

Main Methods:

  • A cohort of 14 patients with renal tumors underwent LNSS using a pre-suture technique.
  • Tumor characteristics (size, location) were assessed via CT scans.
  • Surgical outcomes including ischemia time, operating time, blood loss, and complications were recorded.

Main Results:

  • Zero ischemia was achieved in 13 out of 14 patients; one patient had 150 seconds of ischemia.
  • Mean operating time was 75 minutes with an average blood loss of 60 ml.
  • All tumors were completely resected with negative margins; no urinary leakage or bleeding occurred. Renal function was minimally affected.

Conclusions:

  • The pre-suture technique effectively achieves zero or minimal ischemia during LNSS.
  • This approach avoids renal ischemia-reperfusion injury, making it a feasible option for small, exophytic, and peripheral renal tumors.
  • The technique demonstrates good oncological and functional outcomes with a short postoperative hospital stay.