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open-access-imgOpen AccessIntensive Lipid-Lowering Therapy Ameliorates Asymptomatic Intracranial Atherosclerosis
Author(s)
Huijuan Miao,
Yujiao Yang,
Han Wang,
Lin-Yu Huo,
Mengnan Wang,
Ying-Hua Zhou,
Yang Hua,
Ming Ren,
Changhong Ren,
Xunming Ji,
Han-Qing Yu,
Xiuhai Guo
Publication year2019
Publication title
aging and disease
Resource typeJournals
PublisherBuck Institute for Research on Aging
Statins have proven to exert protective effects in patients with symptomatic intracranial atherosclerotic stenosis (SICAS). It is unclear whether intensive lipid-lowering therapy (ILLT) can ameliorate atherosclerosis in asymptomatic ICAS (AICAS). A single-center, prospective cohort study was performed in 71 AICAS patients with lipid-lowering therapy. Vascular stenoses were evaluated with transcranial color-coded sonography (TCCS) before and after statin treatment. With target therapeutic level of low-density lipoprotein cholesterol (LDL-C) ≤ 1.8 mmol/L or ≥ 50% reduction from baseline after the two years of follow-up, patients were divided into intensive statin treatment (IST) group and standard statin treatment (SST) group. A total of 104 stenotic intracranial arteries were detected in 51 patients belonging to the IST group and 47 arteries in 20 patients of the SST group. In the first year, LDL-C levels were significantly decreased in the IST compared with SST groups (1.48 ± 0.26 vs. 2.20 ± 0.58, P=0.000). However, the ratio of regressed ICAS in IST was not significantly higher than that in SST (26.3% vs. 5.9%, P=0.052). Forty-nine branches in 25 patients of the IST group and 16 branches in 7 patients of the SST group were followed up for two years. The LDL-C level was decreased in the IST compared with SST groups (1.55 ± 0.29 vs. 2.36 ± 0.77, P=0.048). The ratio of regressed ICAS in the IST group was significantly higher than that in SST group (34.7% vs. 6.3%, P=0.017). We concluded that the degree of stenosis in AICAS can be ameliorated with intensive lipid-lowering therapy within two years; target LDL-C level can be reached by moderate-intensity statin treatment for Chinese AICAS patients.
Subject(s)asymptomatic , cardiology , gastroenterology , medicine , prospective cohort study , statin , stenosis
Keyword(s) intracranial atherosclerosis , asymptomatic , transcranial color-coded sonography , lipid-lowering therapy
Language(s)English
SCImago Journal Rank1.808
H-Index54
ISSN2152-5250
DOI10.14336/ad.2018.0526

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