Abstract:
OBJECTIVE:The purpose of the study was to examine the prevalence and risk factors for cerebral infarction (CI) and carotid artery stenosis (CAS) in patients with peripheral arterial disease (PAD) compared with normal controls. METHOD:A cross-sectional analysis was performed in 857 subjects (PAD: 543, controls: 314). CI and lacunar infarction (LI) were evaluated using brain computed tomography. Intima-media thickening (IMT) and CAS were measured with ultrasound. RESULTS:The prevalences of CI and LI were higher in patients with PAD than in controls (15.0% vs. 9.8%, 41.0% vs. 13.4%, respectively, p < 0.05). In multiple logistic analysis, CI was associated with diabetes mellitus, low HDL cholesterol and CAS ≥ 70% (p < 0.05). LI was associated with age, PAD, diabetes mellitus, and estimated glomerular filtration rate (p < 0.05). The prevalences of CAS ≥ 70% and CAS ≥ 50% were higher in patients with PAD than in controls (5.2% vs. 0.6%, 17.6% vs. 3.8%, respectively, p < 0.01). Mean and max IMT differed significantly between the two groups (PAD vs. controls: 1.01 ± 0.45 vs. 0.90 ± 0.28, 2.67 ± 2.00 vs. 1.73 ± 1.05 mm, respectively, p < 0.001). CAS ≥ 70% correlated with high LDL cholesterol, and CAS ≥ 50% with age and PAD. IMT was positively correlated with PAD, high LDL cholesterol, age, and hypertension (p < 0.05). CONCLUSIONS:Prevalences of CI and CAS were markedly higher in patients with PAD than in controls, indicating that PAD is a meaningful risk factor for CI, LI, and CAS. This suggests that screening for CI and CAS is important for managements in PAD, as with screening for PAD in patients with stroke.
journal_name
Atherosclerosisjournal_title
Atherosclerosisauthors
Araki Y,Kumakura H,Kanai H,Kasama S,Sumino H,Ichikawa A,Ito T,Iwasaki T,Takayama Y,Ichikawa S,Fujita K,Nakashima K,Minami K,Kurabayashi Mdoi
10.1016/j.atherosclerosis.2012.05.019subject
Has Abstractpub_date
2012-08-01 00:00:00pages
473-7issue
2eissn
0021-9150issn
1879-1484pii
S0021-9150(12)00329-2journal_volume
223pub_type
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