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1、胰岛素抵抗与冠心病关系的病例对照研究作者:黄久仪石丘玲徐德忠贾国良李良寿李兰蒜孙长生阎明晓王嫣【关键词】冠状动脉疾病关键词:冠状动脉疾病;胰岛素抗药性;危险因素;病例对照研究摘要:目的探讨胰岛素抵抗及其他危险因素与冠心病发病的关系.方法选择住院确诊的冠心病患者84例为病例组,排除冠心病的住院患者或健康体检者163例为对照组,对冠心病常见危险因素进行调查,检测空腹血糖、胰岛素水平、血脂、脂蛋白(a)等相关指标,用单因素和多因素分析计算危险因素的优势比(OR)及0R95%可信限(95%CI),比较胰岛素水平和胰
2、岛索敏感性等指标•结果病例组的空腹胰岛素水平显著高于对照组,胰岛素敏感性指数显著低于对照组(P<0.05);其他危险因素的单因素分析显示,吸烟、高血压病史、高脂饮食习惯、冠心病家族史,脂蛋白Q)水平升高是冠心病的危险因素,其OR分别为2.49,2.55,3.23,2.51和3.76,高密度脂蛋白水平是冠心病的保护因索,OR值为0.21;多因素分析结果显示,被筛选进入Logistic回归方程的变量分别为高密度脂蛋白、脂蛋白(a)、胆固醇水平和每FI吸烟量•结论空腹胰岛素水平显著升高和(或)胰岛素敏感性降
3、低与冠心病的发病有病因学联系(P<0・05),吸烟、高血压病史、高脂饮食习惯、冠心病家族史、脂蛋口(a)水平升高是冠心病的危险因素,高密度脂蛋白水平是冠心病的保护因素.Keywords:coronarydisease;insulinresistance;riskfactors;case-controlstudyAbstract:AIMToinvestiga.tetherelationshipbetweenin-sulinresistance&ndothei'tiskfactorsandcoi'onar
4、yheartdis-ease(CHD)・METHODSEighty-fourCHDinpatientswereselectedascasegroupandl63non-CHDpersonsfroniinpa-tientsorhealthypopulationweredefinedascontrolgroup・Majorriskfactorswereinvestigatedandvariablessuchasserumglucose,insulinlevel,lipidsandlipoprotein(a)we
5、rechecked.Oddsratio(OR)andOR95%confidentintervalweremeasuredbyuni-variableandmulti-variableanalysis・Meansofinsulinievelandindexofinsulinsensitivitywerecomparedbetweentwogroups・RESULTSMeansofseruminsulinlevelincasesweresignificantlyhigherthanthoseofcontrols
6、,whileindexofinsulinsensitivitywassignificantlylowerthanthatofcontrolgroup・Uni—variableanalysisindi-catedthatcigarettesmoking,hypertension,fatenricheddiet,fami1yhistoryofCHDandelevatedserumlipoprotein(a)weretheriskfactorsofCHD,withORs2.49,2.55,3.23,2.51and
7、3・76respectively.However,highdensitylipopro-teinlevelwasprotectivefactor,withOR0.21.Multi-v&ri-ablesnalysisshowedthatcigai'ettesnioking,serumlevelsofHDL-c,Lp(a),totalcholesterolandconsumptionofcigarettesper-daywerethevariablesbeingselectedintologis-ticequa
8、tion.CONCLUSTONE1evatedseruminsulinlevelanddecreasedindexofinsulinsensitivityisrelatedtoCHD.Cigarettesmoking,hypertension,fatenricheddiet,fami1yhistoryofCHDandelevatedserumlipoprotein(a)aretheriskfactorsofCHD