Duplexsonographie bei Nierenarterienstenosen

Schwertfeger, Eckhard

doi:10.1007/s11560-006-0003-9

Nephrologe

2006

DOI: 10.1007/s11560-006-0003-9

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Duplexsonographie bei Nierenarterienstenosen

Eckhard Schwertfeger

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Nierensonographie

2012

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Ultrasound is the most important non-invasive diagnostic tool for detecting morphological pathological alterations of the kidneys. With a low patient burden it permits rapid, potentially serial and highly reproducible bed-side diagnoses of postrenal acute kidney injury and chronic kidney disease. Within chronic kidney disease, polycystic kidney disease can reliably be detected and evidence can be obtained for ischemic nephropathy, diabetic nephropathy and chronic pyelonephritis by renal size and intrarenal morphological alterations. An additional domain of ultrasound is the differentiation of the dignity of solid and cystic renal lesions. Newly introduced contrast-enhanced ultrasound is of additional help as benign and malignant lesions display different perfusion patterns. Renal artery stenosis can reliably be identified and its hemodynamic effect can be assessed with a combination of direct and indirect criteria by Doppler and duplex ultrasound.

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Nierensonographie

2012

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Ultraschalldiagnostik der Nierengefäße und der Transplantatniere

Stock

2009

Radiologe

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Ultrasound is usually the first imaging technique used in clinical practice for the visualization of renal blood vessels, especially when there is suspicion of renal artery stenosis. Apart from B-mode ultrasound, colour Doppler ultrasound, pulsed-wave Doppler are used as well as contrast-enhanced ultrasound, which is being used more and more as a routine technique. Ultrasound is important in nephrology for the detection of renal artery stenosis and the resistance indices from pulse-wave Doppler are also helpful in acute renal failure. Nevertheless resistance indices should be used carefully and always by being aware of the pitfalls of this parameter.Another field of application for ultrasound is imaging of renal blood vessel damage as a result of trauma or iatrogenic damage caused during a biopsy. In this setting contrast-enhanced ultrasound appears to be a suitable and highly sensitive tool for the detection of active bleeding and for visualizing the extent and dynamics of expansion of a hematoma.Ultrasonography is frequently used in the field of kidney transplants for the diagnostics of drainage obstructions, perfusion disturbances, transplant arterial stenoses and lymphoceles. Furthermore, ultrasound is exceptionally well suited for follow-up observation after diagnostic or therapeutic measures (e.g. biopsy and placement or removal of DJ catheters).

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Duplexsonographie bei Nierenarterienstenosen

Cited by 2 publications

References 3 publications

Nierensonographie

Nierensonographie

Ultraschalldiagnostik der Nierengefäße und der Transplantatniere

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