无症状的
医学
内科学
狭窄
心脏病学
单变量分析
析因分析
多元分析
作者
Bum Joon Kim,Keun‐Sik Hong,Yong-Jin Cho,Ju-Hun Lee,Jaseong Koo,Jong‐Moo Park,Dong‐Wha Kang,Jong Seung Kim,Seung‐Hoon Lee,Sun U. Kwon
出处
期刊:Journal of Atherosclerosis and Thrombosis
[Japan Atherosclerosis Society]
日期:2014-01-01
被引量:7
摘要
The prognoses of symptomatic and asymptomatic intracranial atherosclerotic stenosis(ICAS) differ. Understanding the underlying pathomechanisms and predictors of progression or regression may help to clarify the differences. We herein attempted to compare the course and predictors of symptomatic ICAS to those of coexisting asymptomatic ICAS.This was a post-hoc analysis of the 'Trials of Cilostazol in Symptomatic intracranial arterial stenosis-2(TOSS-2)' study, which recruited patients with acute symptomatic ICAS receiving intensive medical treatment. Changes in the status of ICAS were classified as being indicative of regression, progression or no changes. Univariate and multivariate ordinal regression analyses were performed to identify predictors of symptomatic and asymptomatic ICAS based on clinical, laboratory and radiologic data.Of the 409 patients, symptomatic ICAS demonstrated regression in 110(27%) cases and progression in 52(13%) cases. Among these patients, 250(61.1%) had asymptomatic ICAS, which regressed in 38(15%) cases and progressed in 16(6%) cases. Severe baseline stenosis, a high high-density lipoprotein(HDL) cholesterol level and the use of cilostazol were found to be independently associated with a favorable course of symptomatic ICAS(p<0.001, p=0.005 and p=0.038, respectively). Regarding asymptomatic ICAS, severe stenosis, the use of angiotensin receptor antagonists and a low fasting glucose level were associated with a favorable course(p<0.001, p=0.011 and p=0.007, respectively).Changes in atherosclerosis are more dynamic in patients with symptomatic ICAS, and the predictors of symptomatic and asymptomatic ICAS differ. In this study, changes in the status of symptomatic ICAS were associated with the level of HDL cholesterol, which is known to affect the regression of atherosclerosis and vascular remodeling.
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