Journal of Atherosclerosis and Thrombosis
Online ISSN : 1880-3873
Print ISSN : 1340-3478
ISSN-L : 1340-3478
Original Article
Differences in Brain Natriuretic Peptide and Other Factors between Japanese Peripheral Arterial Disease Patients with Critical Limb Ischemia and Intermittent Claudication
Hisao KumakuraHiroyoshi KanaiYoshihiro ArakiYoshiaki HojoShu KasamaHiroyuki SuminoToshiya IwasakiYoshiaki TakayamaShuichi IchikawaKishu FujitaKuniki NakashimaKazutomo Minami
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2013 Volume 20 Issue 11 Pages 798-806

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Abstract

Aim: The goal of this study was to analyze differences in risk factors, including the level of brain natriuretic peptide (BNP) and the distribution of lesions, between cases of critical limb ischemia (CLI) and intermittent claudication (IC) among patients with peripheral arterial disease.
Methods: Risk factors and clinical characteristics were prospectively investigated in 817 consecutive patients, including 185 patients with CLI and 632 patients with IC.
Results: The patients in the CLI group were older than those in the IC group (p<0.001). The prevalence of diabetes and cerebral infarction and the proportion of women were higher in the CLI group (p<0.05). The plasma BNP levels in the CLI group were higher than those observed in the IC group (333±538 vs. 136±354 pg/mL, p<0.001). In contrast, the levels of homocysteine and fibrinogen were higher and the levels of albumin and the estimated glomerular filtration rate were lower in the CLI group (p<0.05). According to a multiple logistic analysis, the BNP level, diabetes, female gender, the albumin level, body mass index (BMI) and ankle-brachial pressure index (ABI) were associated with CLI (p<0.05). Aortoiliac artery lesions were less common, whereas femoropopliteal and below-the-knee (BK) lesions were more common, in the CLI group (p<0.05). The number of affected BK arteries was also higher in the CLI group (p<0.001). Correlations were found between the presence of aortoiliac lesions and smoking and a low HDL cholesterol level, while femoropopliteal lesions were found to correlate with age, BMI and hypertension and BK lesions were found to correlate with diabetes, age, female gender and BMI (p<0.05). The plasma BNP level correlated with the number of affected BK arteries (p<0.05).
Conclusions: A high BNP level, diabetes, female gender, a low albumin level, ABI and BMI are risk factors for CLI. In this study, differences in the levels of anatomical lesions and correlated risk factors were found between the CLI and IC groups.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 - 継承 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc-sa/4.0/deed.ja
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