低脂饮食及体能锻炼对中年人血清总胆固醇的影响

被引：3

作者：

何袁芳

晋志高

机构：

[1] 中国国际救援中心(SOS)

来源：

环境与职业医学 | 2007年 / 02期

关键词：

血清总胆固醇; 高密度脂蛋白; 低密度脂蛋白; 三酰甘油; 体能锻炼; 低脂饮食;

D O I：

10.13213/j.cnki.jeom.2007.02.028

中图分类号：

R54 [心脏、血管（循环系）疾病];

学科分类号：

1002 ; 100201 ;

摘要：

[目的]研究低脂饮食与体能锻炼对于年龄介于40至55岁的中年男女的血清总胆固醇水平的影响。[方法]年龄介于40-55岁、血清总胆固醇处于高胆固醇边缘的26名男女志愿者为样本研究对象,其体重平均为(67．31±7．75)kg,身高平均为(159．98±5．2)cm。随机分为两组,A组采取低脂饮食,同时进行至少每隔1日30min快步行走的锻炼,持续3个月;B组只采取相同于A组的低脂饮食3个月,不进行任何运动锻炼。两项调查问卷各为社会背景与饮食习惯以及日常体能锻炼的情况。在实验前测定血液指标包括血清总胆固醇(TC)、高密度脂蛋白(HDL)、低密度脂蛋白(LDL)以及三酰甘油(TG),实验开始后6周及3个月再次测定上述指标并进行统计分析。[结果]统计分析结果表明A、B两组对象在实验开始前的TC、HDL、LDL、TG值差异均无显著性(均P>0．05)。经过3个月的实验后,A组的TC、HDL、LDL分别为(5．19±0．62)、(1．21±0．52)、(2．58±0．52)mmol/L,较实验前的(6．93±0．33)、(1．85±0．59)、(3．10±0．73)mmol/L均有明显下降,P<0．01或<0．05;B组的TC、LDL分别为(5．88±0．69)、(2．84±0．45)mmol／L,较实验前(7．16±0．56)、(3．43±0．79)mmol／L也有较大下降,P<0．01和<0．05。A组TC值下降比B组更明显,P<0．05。[结论]低脂饮食可以作为中年人减低血清总胆固醇水平的良好膳食疗法,在低脂饮食的同时加强体能锻炼可以使血清胆固醇水平更进一步降低。

引用

页码：215 / 217

页数：3

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