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Limitations of digital subtraction angiography in evaluating potential renal donors
AJR. American Journal of Roentgenology
|July 1, 1983
Insights
Digital subtraction angiography missed an accessory renal artery in 17% of potential kidney donors. Conventional angiography is more reliable for evaluating renal arteries in kidney donors.
Area of Science:
- Nephrology
- Vascular Surgery
- Radiology
Background:
- Accurate assessment of renal artery anatomy is crucial for potential kidney donors.
- Conventional angiography and digital subtraction angiography (DSA) are imaging modalities used for this evaluation.
Purpose of the Study:
- To compare the diagnostic accuracy of conventional angiography and digital subtraction angiography in identifying the number of renal arteries in potential kidney donors.
Main Methods:
- Six potential renal donors underwent evaluation using both conventional angiography and digital subtraction angiography.
- The number of renal arteries to each kidney was determined by both imaging techniques.
Main Results:
- Digital subtraction angiography demonstrated an error rate of 17%, missing one accessory renal artery in six patients.
- Conventional angiography accurately identified all renal arteries in the evaluated donors.
Conclusions:
- Digital subtraction angiography may underestimate the number of renal arteries in potential kidney donors.
- Conventional angiography remains a more reliable method for pre-donation renal artery assessment.
Abstract:
Six potential renal donors were evaluated by both conventional and digital subtraction angiography to determine the number of renal arteries to each kidney. The digital examination missed an accessory renal artery in one of six patients for an error rate of 17%.