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Risk Factors for Complications Following Lateral Pelvic Lymph Node Dissection for Rectal Cancer.

Daiki Okamoto1, Takeru Matsuda2,3, Ryuichiro Sawada1

  • 1Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.

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Summary
This summary is machine-generated.

Shorter operative times are key to reducing complications after lateral pelvic lymph node dissection (LLND) for rectal cancer. Bilateral LLND did not increase complication risks, but longer surgeries did.

Keywords:
LLNDTMEcomplicationrectal cancer

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Area of Science:

  • Colorectal Surgery
  • Surgical Oncology
  • Rectal Cancer Management

Background:

  • Lateral pelvic lymph node metastasis negatively impacts rectal cancer patient outcomes.
  • Lateral pelvic lymph node dissection (LLND) is a potential treatment, but its complication risks are unclear.

Purpose of the Study:

  • To identify risk factors for postoperative complications following LLND in rectal cancer patients.
  • To compare outcomes of unilateral versus bilateral LLND.

Main Methods:

  • Retrospective analysis of 47 rectal cancer patients undergoing LLND (21 unilateral, 26 bilateral).
  • Logistic regression model used to evaluate risk factors for complications (Clavien-Dindo grade II+).

Main Results:

  • Longer operative time (≥480 min) was a significant risk factor for postoperative complications (OR=6.58, p=0.020).
  • Bilateral LLND was not found to be a significant risk factor for complications.

Conclusions:

  • Reducing operative time is crucial for minimizing postoperative complications after LLND.
  • Surgeons should focus on optimizing surgical efficiency to improve patient safety in LLND procedures.