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題名 | 肥胖婦女減重後對體組成及血脂質之影響=Effects of Weight Reduction on Body Composition and Plasma Lipids in Obese Women |
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作者 | 劉美媛; 葉松鈴; 陳維昭; | 書刊名 | 中華民國營養學會雜誌 |
卷期 | 23:1 1998.02[民87.02] |
頁次 | 頁83-93 |
分類號 | 415.599 |
關鍵詞 | 肥胖; 減重; 血脂質; 體組成; Obesity; Weight reduction; Plasma lipids; Body composition; |
語文 | 中文(Chinese) |
中文摘要 | 體重過重或肥胖常與許多慢性疾病的發生或嚴重程度有關,而減重可使其疾病症狀減輕或消除。以往我國關於肥胖之研究多為流行病學方面之研究,而對於減重前後變化之比較則探討較少,因此本實驗之目的在研究67個停經前之肥胖女性,依其肥胖程度將身體質量指數(BMI)值26.4-30.8者分為輕度肥胖組,而BMI>30.8以上者分為中度肥胖組,以飲食控制方式減輕體重,追蹤半年,比較減重前後體組成及血脂質之變化情形。在6個受測者中選取體重減輕大於原體重5%以上者29人,並選取與減重者年齡身高相配合之正常體重者18人做為控制組,加以分析比較。結果顯示;不同程度肥胖女性,不管是體重、瘦體組織及脂肪組織重量皆有顯著之不同,且中度肥胖組大於輕度肥胖組,輕度肥胖組又大於 正常體重組。肥胖者減重大於5%之29人中,減重後體重平均下降9.2 ± 5.2 kg(由79.6±13.8 kg下降至70.4±11.2 kg),脂肪組織含量百分比下降3.6±2.3%(由35.8±3.6%下降至32.2±3.4%),均有顯著差異(P<0.05)。在血脂質上, 中度肥胖組血漿三酸甘油醋(TG)、總膽固醇(total cholesterol,TC)、低密度脂蛋 白膽固醇(LDL-C)、LDL-C與高密度脂蛋白膽固醇(HDL-C)之此值皆顯著較輕度 肥胖者為高,而HDL-C則顯著較低。血漿TG、TC、LDL-C、及LDL-C/HDL-C 在減重後均顯著較減重前降低,HDL-C則顯著上升(P<0.05),但HDL-C濃度肥 胖組仍顯著較正常體重組為低。本研究結果顯示體重減輕只要大於原體重5%以 上'即可有效改善血脂質組成。不同程度減重組別間血脂質則沒有顯著差異。 |
英文摘要 | Epidemiological studies have shown that obesity correlates positively with incidence of chronic diseases, and weight reduction ameliorates the severity of the diseases. Most domestic studies for obesity done previously were epidemiological studies. Reports concerning the difference between various parameters before and after weight reduction are rare. The aim of this study was to investigate the changes in body composition, and plasma lipids before and after weight reduction in obese women. Sixty-seven premenopausal obese women were recruited into the study, and consequently divided into mildly obese group with their body mass index (BMI) ranged from 26.4 to 30.7, and moderately obese group with their BMI over 30.8. All obese women were kept on low calorie diet control for half a year. Eighteen normal weight age-matched women served as control. The results revealed that body fat mass and fat free mass were significantly different among the nonobese, mildly obese and moderately obese groups. Among the 67 subjects, only 29 women reduced more than 5% of their initial body weight. The mean weight loss of these subjects was 9.2±5.2kg (79.6±13.8kg vs 70.4±11.2kg). Body fat content was reduced by 3.6±2.3% (35.8±3.6% vs 32.2±3.4%) after weight reduction. Plasma triglyceride (TG), total cholesterol (TC), low density lipoprotein cholesterol (LDL-C), LDL-C and high density lipoprotein-cholesterol (HDL-C) ratio and apolipoprotein B (Apo B) concentrations were significantly higher, whereas HDL-C level was lower in moderately obese group than in the mildly obese group. Weight reduction of the obese women significantly lowered the plasma concentrations TG, TC, LDL-C and LDL-C/HDL-C ratio. Although HDL-C was significantly increased after weight reduction, the concentration of HDL-C of the obese groups was still lower than that of the nonobese group. In conclusion, results of this study revealed that weight loss of more than 5% of initial body weight of the obese women significantly improved the plasma lipid profiles. No significant differences of plasma lipid concentrations were seen among the obese women with different levels of weight reduction. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。