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Related Experiment Videos

[Partial nephrectomy using microwave tissue coagulator--application for laparoscopic operation].

Jo Yoshimichi1, Keiji Inoue, Takashi Karashima

  • 1Department of Urology, Kochi Medical School.

Hinyokika Kiyo. Acta Urologica Japonica
|January 5, 2005
PubMed
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Partial nephrectomy using a microwave tissue coagulator (MTC) is a safe and effective method for removing kidney tumors, preserving renal function. Laparoscopic MTC partial nephrectomy offers additional patient benefits.

Area of Science:

  • Urology
  • Surgical Oncology
  • Nephrology

Context:

  • Incidental detection of renal tumors is increasing due to advances in imaging like ultrasonography and computed tomography.
  • Partial nephrectomy is the standard surgical approach for small renal masses, aiming to preserve renal function.
  • Minimally invasive techniques are preferred to reduce patient morbidity.

Purpose:

  • To evaluate the safety and efficacy of partial nephrectomy using a microwave tissue coagulator (MTC) without renal pedicle clamping.
  • To compare outcomes between open and laparoscopic approaches for MTC partial nephrectomy.
  • To assess the impact of MTC partial nephrectomy on renal function and postoperative complications.

Summary:

  • Twelve tumors (11 patients) were resected via partial nephrectomy using MTC without pedicle clamping, including 4 laparoscopic procedures.

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  • Mean tumor size was 1.9 cm; diagnoses included renal cell carcinoma (9) and hemorrhagic cyst (3).
  • Laparoscopic MTC partial nephrectomy demonstrated significantly less blood loss (183 ml) compared to open procedures (486 ml) with no significant difference in creatinine clearance.

    • Impact:

    • Partial nephrectomy with MTC is a safe and effective oncological procedure that successfully spares renal function.
    • Laparoscopic MTC partial nephrectomy offers potential advantages, including reduced blood loss and comparable renal function preservation.
    • This technique provides a viable alternative for managing small renal tumors, particularly in minimally invasive settings.