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Renal Vascular and Ureteral Anatomic Variations in 1859 Potential Living Renal Donors

Sevim Kuslu Cicek1, Sefa Ergun2, Ozan Akıncı3

  • 1Department of General Surgery, Medicana International Istanbul Hospital, Istanbul, Turkey.

Transplantation Proceedings
|August 18, 2021
PubMed

Insights

Preoperative computed tomography angiography (CTA) reveals significant renal vascular and ureteral variations in kidney donors. Understanding these anatomical differences is crucial for successful living donor nephrectomy and safe kidney transplantation.

Area of Science:

  • Nephrology
  • Vascular Surgery
  • Radiology

Background:

  • Preoperative computed tomography angiography (CTA) is vital for identifying renal vascular and ureteral anomalies in living kidney donor candidates.
  • These anomalies influence donor nephrectomy strategy and surgical approach.

Purpose of the Study:

  • To investigate the prevalence and patterns of renal vascular and ureteral variations in individuals evaluated as potential living kidney donors.

Main Methods:

  • A retrospective analysis of 1859 donor candidates from November 2008 to December 2019.
  • Renal CTA was performed using a 64-channel multidetector CT scanner to assess anatomical variations.

Main Results:

  • High prevalence of multiple renal arteries (18.3% right, 22.6% left) and early branching (6.3% right, 6.5% left).
  • Renal artery variations were more common in males. Multiple renal veins were observed in 28.2% (right) and 2.3% (left).
  • Vascular variations were associated with a higher rate of conversion from laparoscopic to open surgery during nephrectomy.

Conclusions:

  • Preoperative CTA assessment of renal vascular and ureteral anatomy is essential for planning safe and successful kidney donor nephrectomy.
  • Detailed anatomical knowledge aids in optimizing surgical techniques and minimizing complications in renal transplantation.
Abstract

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