目的采用不同肥胖诊断标准,对老年人(≥60)群少肌性肥胖进行调查,分析不同方法间一致性。方法选取武警某医院健康医学中心60~93岁老年人442名为研究对象,测量身高、体重,计算身体质量指数(body mass index,BMI)。采用生物电阻抗法(bioel...目的采用不同肥胖诊断标准,对老年人(≥60)群少肌性肥胖进行调查,分析不同方法间一致性。方法选取武警某医院健康医学中心60~93岁老年人442名为研究对象,测量身高、体重,计算身体质量指数(body mass index,BMI)。采用生物电阻抗法(bioelectrical impedance analysis,BIA)对研究对象进行身体成分测定。采用亚洲少肌症工作组制定的四肢骨骼肌指数(男≤7.0 kg/m2,女≤5.7 kg/m2)诊断少肌症,在此基础上采用方法 1:BMI≥28;方法 2:世界卫生组织(world health organization,WHO)的体脂率法(男性体脂率≥25%,女性体脂率≥35%);方法 3:体脂率超过同龄人群水平的60.0%三个标准分别诊断肥胖。结果老年人群中共检出少肌症69人(15.60%),其中男34人(13.71%),女35人(18.04%)。以方法 3为肥胖诊断标准,结果示体脂率截点为男性体脂率≥28.4%、女性体脂率≥38.0%。三种肥胖标准在老年少肌症人群中肥胖的检出率分别为0.45%、52.17%、30.43%;方法2在整体老年人群中少肌性肥胖的检出率为8.14%,方法3为4.75%。方法2与方法3对人群少肌性肥胖有较好一致性(Kappa=0.658,Kappa=0.494)。结论老年人群少肌症与少肌性肥胖患病率高;BMI并不能有效诊断少肌性肥胖;四肢骨骼肌指数结合WHO体脂率法与四肢骨骼肌指数结合同龄人体脂率水平60%截点两种方法对诊断少肌性肥胖有较好一致性。展开更多
In order to investigate the effects of extract of Dilong(地龙 Pheretima)on the skin viability and lipidperoxidation after deep degree Ⅱ scalds,the extract of Dilong(Pheretima)at two concentrations(5%,10%)were respect...In order to investigate the effects of extract of Dilong(地龙 Pheretima)on the skin viability and lipidperoxidation after deep degree Ⅱ scalds,the extract of Dilong(Pheretima)at two concentrations(5%,10%)were respectively applied to the surface of wound.The oxygen consumption,the succinate dehydrogenase(SDH)activity,the Schiff's base content,and the healing time of wound surface were determined in Wistar ratsat the 8th,24th,48th and 72th hour after scalds,with SD-Ag used as controls.The results indicated that theoxygen consumption and SDH activity decreased,and the schiff's base content increased after the scalds.Afterthe application of the extract of Dilong,the oxygen consumption and SDH activity increased,and the schiff'sbase content decreased significantly as compared with the control group(P<0.05 or P<0.01),and the meanhealing time of the wound surface was five days in advance in the two treatment groups as compared with thecontrol group.It is suggested that the scalds are related with lipid peroxdation to a certain extent,and theextract of Dilong has actions of attenuating lipid peroxidation,and promoting healing of the wound.展开更多
文摘In order to investigate the effects of extract of Dilong(地龙 Pheretima)on the skin viability and lipidperoxidation after deep degree Ⅱ scalds,the extract of Dilong(Pheretima)at two concentrations(5%,10%)were respectively applied to the surface of wound.The oxygen consumption,the succinate dehydrogenase(SDH)activity,the Schiff's base content,and the healing time of wound surface were determined in Wistar ratsat the 8th,24th,48th and 72th hour after scalds,with SD-Ag used as controls.The results indicated that theoxygen consumption and SDH activity decreased,and the schiff's base content increased after the scalds.Afterthe application of the extract of Dilong,the oxygen consumption and SDH activity increased,and the schiff'sbase content decreased significantly as compared with the control group(P<0.05 or P<0.01),and the meanhealing time of the wound surface was five days in advance in the two treatment groups as compared with thecontrol group.It is suggested that the scalds are related with lipid peroxdation to a certain extent,and theextract of Dilong has actions of attenuating lipid peroxidation,and promoting healing of the wound.