Study on the Evaluation of Carotid Atherosclerotic Plaque Stability in Patients with Chronic Renal Insufficiency by Superb Microvascular Imaging and Contrast-enhanced Ultrasound

doi:10.7517/issn.1674-0475.200606

Abstract

Abstract: The neovascularization in carotid atherosclerotic plaque in patients with chronic renal insufficiency was evaluated by using superb microvascular imaging (SMI) and contrast-enhanced ultrasound (CEUS).318 patients with chronic renal insufficiency were selected as the research objects, and 322 plaques were examined by SMI and CEUS to evaluate the detection of neovascularization. The results showed that the neovascularization appeared mainly in the hypoecho plaque and the mixed echo plaque with hypoechoic dominant, and the apparent rate was higher than that in the hyperechoic plaque group (P<0.01).The two methods were basically consistent in the classification of neovascularization. CEUS and SMI can detect more unstable atherosclerotic plaques, risk of atherosclerotic plaque instability increases as the intensity of ultrasound-enhanced and neovascularization in SMI increases, and the risk of patients with chronic renal insufficiency having ischemic encephalopathy increases accordingly.

Key words: SMI, CEUS, carotid atherosclerotic, chronic renal insufficiency

SHI Xiurong, ZHANG Yuan, SHAN Jun, JIANG Quan. Study on the Evaluation of Carotid Atherosclerotic Plaque Stability in Patients with Chronic Renal Insufficiency by Superb Microvascular Imaging and Contrast-enhanced Ultrasound[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(1): 87-90.

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