Volume-rendered multidetector CT angiography: noninvasive follow-up of patients treated with renal artery stents.
作者： Ammar Mallouhi , Michael Rieger , Benedikt Czermak , Martin C. Freund , Peter Waldenberger
DOI: 10.2214/AJR.180.1.1800233
关键词:
摘要: OBJECTIVE. The purpose of our study was to evaluate the role multidetector CT (MDCT) angiography with volume rendering for estimating patency renal artery stents.SUBJECTS AND METHODS. In 16 patients, stents were evaluated MDCT and digital subtraction (DSA). data using multiplanar reformations volume-rendering algorithm three different volume-rendered parameter settings (low-to-high, high-to-low, high—low—high opacity transfer functions: VRLH, VRHL, VRVE, respectively). Targeted images each stent rendered in paraaxial paracoronal planes interactively interpreted. overall restenosis severity measured on postprocessed compared that obtained DSA linear regression analysis. Image quality lumen delineation also Wilcoxon's signed rank test.RESULTS. Eight restenoses identified DS...
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