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首页> 外文期刊>Medicine and science in sports and exercise >Pericardial Fat Loss in Postmenopausal Women under Conditions of Equal Energy Deficit.
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Pericardial Fat Loss in Postmenopausal Women under Conditions of Equal Energy Deficit.

机译:在能量均等的条件下,绝经后妇女的心包脂肪减少。

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ABSTRACT: Weight loss induced by caloric restriction (CR) or aerobic exercise can reduce pericardial fat, and these reductions may help improve cardiovascular health. PURPOSE: : We examined whether combining CR with aerobic exercise enhances pericardial fat loss compared with a CR-only intervention designed to elicit equivalent reductions in body weight. We also examined the relationship between changes in pericardial fat and changes in maximal oxygen consumption (V O2max), a measure of cardiorespiratory fitness. METHODS: : Thirty-two abdominally obese postmenopausal women (mean age = 58 yr; 78% Caucasian) were randomly assigned to one of three interventions of equal energy deficit ( approximately 2800 kcal.wk) for 20 wk: CR only (n = 8), CR + moderate-intensity exercise (n = 15), or CR + vigorous-intensity exercise (n = 9). The volume of pericardial fat around the coronary arteries was measured by computed tomography. RESULTS: : Women in the CR, CR + moderate-intensity, and CR + vigorous-intensity groups had similar baseline characteristics. The mean +/- SD value for pericardial fat before weight loss was 79.07 +/- 32.90 cm (range = 34.04-152.74 cm), with no difference among groups (P = 0.89). All three interventions significantly reduced body weight (15%), waist circumference (10%), and abdominal visceral fat (28%) to a similar degree. There was also a 17% reduction in pericardial fat (-12.75 +/- 6.29 cm, P < 0.0001), which did not differ among groups (P = 0.84). Changes in pericardial fat were inversely correlated with changes in V O2max (r = -0.37, P = 0.05), but not after adjusting for intervention group and change in body weight. CONCLUSIONS: : Weight loss interventions of equal energy deficit have similar effects on pericardial fat in postmenopausal women, regardless of whether the energy deficit is due to CR alone or CR plus aerobic exercise.
机译:摘要:由热量限制(CR)或有氧运动引起的减肥可以减少心包脂肪,这些减少可能有助于改善心血管健康。目的::我们检查了将CR与有氧运动相结合是否与旨在引起体重同等降低的仅CR干预相比可增加心包脂肪减少。我们还检查了心包脂肪变化与最大摄氧量(VO2max)的变化之间的关系,最大摄氧量是衡量心肺健康的指标。方法:将32名绝经后腹部肥胖的妇女(平均年龄= 58岁; 78%的白种人)随机分配到三种能量干预相同(约2800 kcal.wk)的干预措施中,其中20周:仅CR(n = 8) ),CR +中强度运动(n = 15)或CR +强度运动(n = 9)。通过计算机断层扫描测量冠状动脉周围的心包脂肪的体积。结果:CR,CR +中等强度和CR +剧烈强度组的女性具有相似的基线特征。体重减轻之前心包脂肪的平均+/- SD值为79.07 +/- 32.90 cm(范围= 34.04-152.74 cm),各组之间无差异(P = 0.89)。这三种干预措施均显着降低了体重(15%),腰围(10%)和腹部内脏脂肪(28%)的程度。心包脂肪减少了17%(-12.75 +/- 6.29 cm,P <0.0001),各组之间无差异(P = 0.84)。心包脂肪的变化与V O2max的变化呈负相关(r = -0.37,P = 0.05),但在不调整干预组和体重变化之后则无相关性。结论:能量缺乏相等的减肥干预对绝经后妇女的心包脂肪具有相似的作用,无论能量缺乏是仅由CR还是由CR加有氧运动引起。

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