نتایج جستجو برای: duplex ultrasonography
تعداد نتایج: 60509 فیلتر نتایج به سال:
We report the case of a giant cell arteritis (GCA) in an 81-year-old man who presented with headaches and a decreased general condition associated with an important inflammatory syndrome in laboratory analysis responding to corticotherapy. Color-duplex ultrasonography (CDU) features of temporal arteries obtained with a high frequency probe permits us to underline the typical radiological presen...
Jugular vein aneurysms are rare vascular abnormalities that are most commonly encountered in the pediatric population. We report two separate cases in infants, both of whom presented with enlarging neck masses and were found to have jugular vein aneurysms. Diagnosis was established with duplex ultrasonography, computed tomography angiography, digitally subtracted catheter venography, and magnet...
OBJECTIVE The main objectives of this study were to evaluate the sensitivity and specificity of duplex Doppler ultrasonography in the study of hemodialysis peripheral vascular access dysfunction and to analyze the resistance index and flow in the afferent artery. MATERIAL AND METHODS We prospectively studied 178 patients with 178 peripheral vascular accesses that were dysfunctional in at leas...
BACKGROUND Angiotensin converting enzyme (ACE) inhibitor and angiotensin receptor blocker (ARB) may induce acute kidney injury (AKI). The aim of this study was to evaluate the role of the resistive index (RI), which reflects renal artery resistance on renal duplex ultrasonography, as a predictor of AKI in chronic kidney disease (CKD) patients who are prescribed an ACE inhibitor or ARB. METHOD...
Thromboembolic events represent the main cause of morbidity and mortality in patients with polycythemia vera. Leukocytosis has been identified as an important risk factor for development vascular thrombosis. A 47-year-old woman vera presented pain swelling her right calf. She was scheduled to receive anagrelide which effective on thrombocytosis, but leukocytosis persisted. diagnosed thrombosis ...
OBJECTIVES To compare pulse oximetry and Ankle-Brachial Index (ABI) with duplex ultrasonography as reference standard to determine the diagnostic accuracy for screening asymptomatic PVD in type 2 diabetes mellitus. METHODS This cross-sectional study was conducted in 2012 at tertiary hospital in Madurai among diabetic patients attending the medicine outpatient department (OPD). Type 2 Diabetes...
The introduction of color-coded duplex ultrasonography has improved the ease of performing ultrasound investigations of the vertebral arteries. So far, normal values of flow velocities have been reported only for the intertransverse region of the vertebral artery (V2 segments). Atherosclerotic disease at the origin of the vertebral arteries (V0 segment) is frequent and is one of the risk factor...
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