吸烟对左室射血分数正常心衰患者静息能量消耗的影响
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【摘要】 目的:观察吸烟对左室射血分数正常心衰患者静息能量消耗(REE)的影响及与氧化应激和炎症反应之间的关系。方法:对41例吸烟和40例非吸烟的左室射血分数正常心衰患者的一般情况、临床特征、REE、REE与去脂组织(FFM)的比值、氧化应激及炎症反应标志物进行比较分析。结果:吸烟组的REE/FFM比非吸烟组显著增高16.78%,相关分析提示,REE/FFM的增高与吸烟有关(r=0.413,P=0.002)。两组的氧化应激标志物丙二醛(MDA)、超氧化物歧化酶(SOD)、炎症反应标志物高敏C反应蛋白(hs-CRP)、脂联素和TNF-α比较差异均有统计学意义(P<0.05),REE/FFM的增高与MDA、SOD、hs-CRP、脂联素、TNF-α均相关(P<0.05)。结论:吸烟可导致左室射血分数正常心衰患者REE增加,引起氧化应激和炎症反应。
【关键词】 吸烟; 左室射血分数: 心衰; 能量代谢
【Abstract】 Objective:To study the effect of smoking on resting energy expenditure(REE) and the relationships among REE,smoking,inflammation and oxidative stress in patients with heart failure and normal left ventricular ejection fraction.Method:41 smokers and 40 non-smokers with heart failure and normal left ventricular ejection fraction were performed to evaluate the chronic effect of smoking on REE,REE/fat free mass(FFM),biomarkers of oxidative stress malondialdehyde (MDA),superoxidedismutase(SOD),inflammation high-sensitivity C-reactive protein (hs-CRP) and adiponectin,the data of them were analyzed by Pearson correlation analysis.Result:Compared with non-smokers, REE/FFM in smokers group was significantly increased by 16.78%(P=0.001),Pearson analysis showed that smoking was significantly correlated with REE/FFM(r=0.413,P=0.002).There were significantly differences between smokers and non-smokers in MDA,SOD,adiponectin,TNF-α and hs-CRP(P<0....
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