Multidetector Row Computed Tomography Evaluation of Potential Living Laparoscopic Renal Donors

The Story So Far

Saravanan Namasivayam, Mannudeep K. Kalra, William C. Small, William E. Torres, Pardeep Kumar Mittal

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Renal transplantation is the treatment of choice for end-stage renal disease. Living related kidney donation is the major source of renal grafts due to limited availability of cadaveric kidneys. Open nephrectomy was used to harvest donor kidneys. However, the laparoscopic approach is associated with less postoperative pain and quick recovery. So, most centers now prefer a laparoscopic approach to explant donor kidneys. Laparoscopic approach is technically challenging due to limited operative visibility. Hence, accurate preoperative detection of renal arterial and venous anomalies is imperative to avoid inadvertent vascular injury and bleeding. The preoperative workup of renal donors includes clinical evaluation, laboratory tests, and imaging. Traditionally, the renal donors were evaluated with conventional imaging techniques, which included renal catheter angiography and intravenous urography. However, conventional imaging is invasive, expensive, and less accurate for evaluation of complex renal venous anomalies, small calculi, and diffuse or focal renal parenchymal lesions. The introduction of multidetector row computed tomography (MDCT) revolutionized the CT technology by enabling isotropic resolution with faster scan coverage in a single, short breath-hold. Consequently, MDCT has now replaced conventional imaging for comprehensive imaging of potential living renal donors. MDCT is a minimally invasive technique that can accurately detect urolithiasis, renal arterial and venous anomalies, renal parenchymal lesions, and urinary tract anomalies. Renal vascular anomalies detected by MDCT can help the surgeon in planning donor nephrectomy. MDCT with three-dimensional CT angiography enables accurate preoperative renal vascular mapping. This article reviews the role of MDCT in preoperative evaluation of potential laparoscopic renal donors.

Original languageEnglish (US)
Pages (from-to)102-114
Number of pages13
JournalCurrent Problems in Diagnostic Radiology
Volume35
Issue number3
DOIs
StatePublished - May 1 2006
Externally publishedYes

Fingerprint

Multidetector Computed Tomography
Tissue Donors
Kidney
Nephrectomy
Blood Vessels
Urolithiasis
Urography
Living Donors
Vascular System Injuries
Calculi
Postoperative Pain
Urinary Tract

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Multidetector Row Computed Tomography Evaluation of Potential Living Laparoscopic Renal Donors : The Story So Far. / Namasivayam, Saravanan; Kalra, Mannudeep K.; Small, William C.; Torres, William E.; Mittal, Pardeep Kumar.

In: Current Problems in Diagnostic Radiology, Vol. 35, No. 3, 01.05.2006, p. 102-114.

Research output: Contribution to journalArticle

Namasivayam, Saravanan ; Kalra, Mannudeep K. ; Small, William C. ; Torres, William E. ; Mittal, Pardeep Kumar. / Multidetector Row Computed Tomography Evaluation of Potential Living Laparoscopic Renal Donors : The Story So Far. In: Current Problems in Diagnostic Radiology. 2006 ; Vol. 35, No. 3. pp. 102-114.
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