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Renovascular disease is a complex disorder, most commonly caused by fibromuscular dysplasia and atherosclerotic diseases. It can be found in one of three forms: asymptomatic renal artery stenosis RAS , renovascular hypertension, and ischemic nephropathy. Particularly, the atherosclerotic form is a progressive disease that may lead to gradual and silent loss of renal function. Thus, early diagnosis of RAS is an important clinical objective since interventional therapy may improve or cure hypertension and preserve renal function. Screening for RAS is indicated in suspected renovascular hypertension or ischemic nephropathy, in order to identify patients in whom an endoluminal or surgical revascularization is advisable.

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We'd like to understand how you use our websites in order to improve them. Register your interest. The aim of this study was to evaluate the utility of color-Doppler ultrasound CDUS in detecting haemodynamically significant in-stent restenosis in patients who underwent endoluminal renal artery revascularisation by stent deployment. Between January and December , 42 patients nine women and 33 men, age range 45—87 years treated by endovascular renal artery stenting were studied with CDUS.

Renal artery haemodynamics were evaluated to identify haemodynamically significant restenosis. Patients with CDUS signs of restenosis underwent angiography for a possible further revascularisation procedure. Of these 13, three did not undergo endoluminal renal artery revascularisation because renal ischaemia deterioration and irreversible renal circulation impairment.

In the remaining ten patients Restenoses were successfully treated by a repeat endovascular revascularisation procedure. Our results confirm the fundamental role of CDUS in the follow-up of patients after renal artery stenting. It enables early restenosis detection and evaluation of renovascular disease associated with renal artery stenosis. CDUS provides essential information for the subsequent clinical management of these patients. I pazienti con segni ECD di ristenosi sono stati sottoposti ad esame angiografico per eventuale ulteriore intervento di rivascolarizzazione.

Di questi, 3 non sono stati sottoposti ad angiografia per peggioramento della nefropatia ischemica ed irreversibile compromissione emodinamica del circolo renale.

Le restenosi sono state trattate con successo per via endovascolare. This is a preview of subscription content, log in to check access. Rent this article via DeepDyve. Zeller T Renal artery stenosis: epidemiology, clinical manifestation, and percutaneous endovascular therapy. J Interven Cardiol — Baumgartner I, von Aesch K, Do DD Stent placement in ostial and nonostial atherosclerotic renal arterial stenosis: a prospective follow-up study.

Radiol — Edizioni Minerva medica, Torino. Google Scholar. Napoli V, Pinto S, Bargellini I et al Duplex ultrasonographic study of the renal arteries before and after renal artery stentino. Eur Radiol — Eur J Radiol — Radermarcher J, Chavan A, Schaffer J et al Detection of significant renal artery stenosis with color Doppler sonography: combining extrarenal and intrarenal approaches to minimize technical failure. Clnical Nephrology — Strandness DE Jr Duplex imaging for the detection of renal artery stenosis.

Am J Kidney Dis — Voiculescu A, Hofer M, Hetzel GR et al Noninvasive investigation for renal artery stenosis: contrast-enhanced magnetic resonance angiography and color Doppler songraphy as compared to digital subtraction angiography.

Clin Exper Hyprttension — Johansonn M, Jensen G, Aurell M et al Evaluation of duplex ultrasaund and captopril renography for detection of renovascular hypertension. Kidney Int — Ultrasound Med Biol — J Vasc Surg — Nephrol Dial Transplant — Haller C Arteriosclerotic renal artery stenosis: conservative versus interventional management.

Heart — Giornale italiano di ecografia — J Hum Hypertens — Soares G, Murphy T, Singha M et al Renal artery duplex ultrasonography as screening and surveillance tool to detect renal artery stenosis. J Ultrasound Med — J Endovascular Ther — Kawarada O, Yokoi Y, Takemoto K et al The performance of renal duplex ultrasonography for the detection of hemodynamically significant renal artery stenosis.

Catheterization and cardiovascular intervention — Cardiovascular Ultrasound —7. Zeller T, Frank U, Muller C et al Duplex ultrasound for follow-up examination after stent-angioplasty of ostial renal stenoses.

Ultrashall Med — Download references. Correspondence to G. Reprints and Permissions. Parenti, G. Role of color-Doppler sonography in the follow-up of renal artery stenting. Radiol med , Download citation. Received : 30 March Accepted : 07 May Published : 02 April Search SpringerLink Search. Abstract Purpose The aim of this study was to evaluate the utility of color-Doppler ultrasound CDUS in detecting haemodynamically significant in-stent restenosis in patients who underwent endoluminal renal artery revascularisation by stent deployment.

Materials and method Between January and December , 42 patients nine women and 33 men, age range 45—87 years treated by endovascular renal artery stenting were studied with CDUS. Conclusion Our results confirm the fundamental role of CDUS in the follow-up of patients after renal artery stenting.

Immediate online access to all issues from Subscription will auto renew annually. Author information Affiliations U. Mannella Authors G.

Parenti View author publications. You can also search for this author in PubMed Google Scholar. View author publications. Rights and permissions Reprints and Permissions. About this article Cite this article Parenti, G.

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Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. Diagnosis of nephrovascular hypertension is important because prompt correction of renal artery stenosis R. Arteriography is currently the gold-standard method for confirming the location and nature of the stenotic lesion prior to corrective procedure. The use of color Doppler-spectral Doppler sonography in the screening of hypertensive patients has been proposed in light of its diagnostic accuracy, relatively low cost and safety. View PDF.

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