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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
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  1. Home
  3. Research Domains
  5. Biomedical And Clinical Sciences
  7. Oncology And Carcinogenesis
  9. Predictive And Prognostic Markers
  11. Preoperative Risk Factor Analysis Of Prolonged Retroperitoneoscopic Radical Nephrectomy.
  1. Home
  3. Research Domains
  5. Biomedical And Clinical Sciences
  7. Oncology And Carcinogenesis
  9. Predictive And Prognostic Markers
  11. Preoperative Risk Factor Analysis Of Prolonged Retroperitoneoscopic Radical Nephrectomy.

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Preoperative Risk Factor Analysis of Prolonged Retroperitoneoscopic Radical Nephrectomy.

Masato Yanagi1, Tsutomu Hamasaki2, Tetsuro Sekine3

  • 1Department of Urology, Nippon Medical School Hospital.

Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi
|September 4, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Posterior perirenal fat thickness greater than 25 mm is a key predictor of longer operating times in retroperitoneoscopic radical nephrectomy (RRN). Surgeons should consider alternative approaches for patients with this risk factor to optimize surgical duration.

Keywords:
operating timeperirenal fatrenal cell carcinomaretroperitoneoscopic radical nephrectomy

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Area of Science:

  • Urology
  • Surgical Oncology
  • Medical Imaging

Background:

  • Renal cell carcinoma (RCC) treatment often involves radical nephrectomy.
  • Retroperitoneoscopic radical nephrectomy (RRN) is a minimally invasive surgical approach.
  • Identifying preoperative risk factors for prolonged operative time in RRN is crucial for surgical planning.

Purpose of the Study:

  • To investigate preoperative risk factors associated with extended operating times during retroperitoneoscopic radical nephrectomy (RRN) for renal cell carcinoma (RCC).

Main Methods:

  • Retrospective review of 79 patients undergoing RRN between January 2015 and December 2021.
  • Collection of clinical and radiological data, including visceral fat area (VFA), subcutaneous fat area (SFA), and posterior perirenal fat thickness (PFT).
  • Analysis of operating time using univariate and multivariate logistic regression.

    • Main Results:

    • A posterior perirenal fat thickness (PFT) exceeding 25 mm was identified as a significant risk factor in univariate analysis (p=0.006).
    • Multivariate analysis confirmed that posterior PFT >25 mm is an independent preoperative risk factor for prolonged RRN operating time (p=0.008, OR: 7.29).
    • Other factors like right-sided tumors and tumor size >7 cm were significant in univariate analysis but not independently predictive.

    Conclusions:

    • Posterior perirenal fat thickness greater than 25 mm independently predicts prolonged operating time in RRN for RCC.
    • For patients with posterior PFT >25 mm, surgeons should consider alternative surgical strategies, such as a transperitoneal approach, to mitigate extended operative times.