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Captopril renography and duplex Doppler sonography in the diagnosis of renovascular hypertensionKaplan-Pavlovčič, Staša ; Chwatal, NadjaBackground. The purpose of this prospective study was to determine the clinical usefulness of captopril renal scintigraphy and duplex Doppler sonography in detecting haemodynamically significant ... renal artery stenosis (more then or equal 60%) and predicting cure or improvement of hypertension following revascularisation. Methods. Twenty-eight patients with moderate or high index of clinical suspicion of renovascular hypertension underwent bothcaptopril renal scintigraphy and duplex Doppler sonography before undergoing renal angiography. Patients with angiographically proved (more thenor equal 60%) RAS were treated by percutaneous transluminal renal angioplasty unless it was contraindicated. Results. The results of captopril renal scintigraphy and duplex Doppler sonography were compared by renal angiography of 45 renal arteries in 28 patients. Eleven renal arteries were excluded from further comparison, because no accurate Doppler signal could be obtained. The sensitivity and specificity of captopril renal scintigraphy in the identification of RAS (more then or equal 60%) was 78% and 81% respectively. The sensitivity of duplex Doppler sonography was 83% and the specificity was 81%. Positive predictive values of both tests for blood pres- sure cure or improvement after PTRA were 86% for CRS and 85% for DDS. Conclusions. Captopril renal scintigraphy and duplex Doppler sonography are comparable tests for detection of patients with haemodynamically significant renal artery stenosis (more then or equal 60%). Positive predictive values of both tests for cure or improvement of hypertension after percutaneous transluminal renal angioplasty are good and comparable.Vir: Nephrology, dialysis, transplantation. - ISSN 0931-0509 (Letn. 13, 1998, str. 313-317)Vrsta gradiva - članek, sestavni delLeto - 1998Jezik - angleškiCOBISS.SI-ID - 8825305
Avtor
Kaplan-Pavlovčič, Staša |
Chwatal, Nadja
Teme
Captopril |
Diagnostic use |
Hypertension, renovascular |
Ultrasonography |
Radionuclide imaging |
Therapy |
Kidney |
Radiography |
Ultrasonography |
Radionuclide imaging |
Ultrasonography, doppler, duplex |
Angioplasty |
Angiography |
Prospective studies |
Sensitivity and specificity |
Predictive value of tests
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Kaplan-Pavlovčič, Staša | 07766 |
Chwatal, Nadja | 16363 |
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