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[Color-coded Doppler sonography of kidney transplants]
B Schwaighofer1, P Hübsch, J Kovarik
1Abteilung für Diagnostische Radiologie, II. Medizinische Universitätsklinik Wien.
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|August 1, 1988
Summary
Color coded Doppler sonography (angiodynography) is a valuable tool for assessing renal blood supply, performing equally to Tc bolus exams in normal function and showing superiority in anuric patients.
Area of Science:
- Nephrology
- Radiology
- Medical Imaging
Background:
- Assessing renal blood supply is crucial for transplant function evaluation.
- Traditional methods like Tc bolus examination have limitations.
Purpose of the Study:
- To compare color coded Doppler sonography (angiodynography) with Tc bolus examination for demonstrating renal blood supply.
- To evaluate the diagnostic efficacy of angiodynography in patients with varying transplant function.
Main Methods:
- Prospective study involving 81 patients.
- Comparison of angiodynography and Tc bolus examination in renal transplant recipients.
- Assessment of renal blood flow and transplant viability.
Main Results:
- Both methods performed equally well in patients with normal transplant function.
- Angiodynography demonstrated superior performance in anuric patients.
- Angiodynography provided critical additional information regarding blood flow in three cases, including absence of flow in intrarenal vessels and transplant poles.
Conclusions:
- Angiodynography shows potential to replace Tc bolus examination for renal blood supply assessment.
- Angiodynography offers significant advantages in evaluating anuric transplant patients.
- Further advancements with low-frequency probes are needed for obese patients.