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作 者:黄海[1] 宋成运[1] 杜大勇[1] 柳杨[1] 赖晓辉[1] 江枫[1] 李运田[1] 张世俊[2]
机构地区:[1]解放军第305医院心脏中心,北京100017 [2]解放军第305医院全军老年病实验室中心,北京100017
出 处:《中华老年多器官疾病杂志》2012年第6期442-444,共3页Chinese Journal of Multiple Organ Diseases in the Elderly
摘 要:目的评价老年早期糖尿病性心肌病(DCM)患者胰岛素泵强化治疗前后氧化应激水平的变化。方法对2009年2月至2011年10月确诊的30例老年早期DCM患者采用胰岛素泵强化治疗,治疗达标前后分别测定超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GSH.PX)、丙二醛(MDA)水平,进行比较。结果胰岛素泵强化治疗后,患者血浆中的SOD[(118.40±25.41)VS(171.16±27.76)U/ml]和GsH-PX[(120.53±46.26)vs(175.58±52.37)u]明显上升(P〈0.01),MDA明显下降[(49.53±14.42)vs(22.65±12.54)nmol/ml,P〈0.01]。空腹血糖[(5.64±0.53)vs(10.96±2.63)mmol/L]、餐后2小时血糖[(7.74±1.46)vs(18.50±3.24)mmol/L]、胰岛素抵抗指数[(2.50±1.12)vs(5.90±1.82)mmol/L]、总胆固醇[(4.40±0.45).kS(8.44±0.90)mmol/L]、甘油三酯[(2.80±1.01)vs(6.84±1.83)mmoi/L]、低密度脂蛋白胆固醇[(3.01±0.73)vs(5.11±1.35)mmol/L]、游离脂肪酸[(0.34±0.11)vs(0.73±0.10)mmol/L]明显降低(P〈0.05),胰岛素分泌功能指数明显上升[(73.32±12.20)vs(11.80±5.50)mmol/L,P〈0.05]。心脏舒张功能(E/A)明显改善[(0.74±0.35)vs(1.09±0.23),P〈0.01]。结论老年早期DCM患者使用胰岛紊泵强化治疗可明显降低氧化应激水平,改善心脏舒张功能。Objective To evaluate the effect of intensive insulin treatment on oxidative stress level at early stage of diabetic cardiomyopathy (DCM) in elderly patients. Methods Thirty elderly patients with early stage elderly DCM who received intensive insulin treatment between February 2009 and October 2011 were recruited. Superoxide dismutase(SOD), glutathione peroxidase (GSH-PX) and malondialdehyde(MDA) were measured before and after insulin pump therapy. Results After the treatment, SOD and GSH-PX had more significant improvement[(118.40 ± 25.41) vs (171.16 ± 27.76) U/ml, (120.53 ± 46.26) vs (175.58 ± 52.37) enzyme activity unit; P 〈 0.01]. MDA significantly decreased [(49.53 ± 14.42) vs (22.65± 12.54) nmol/ml, P 〈 0.01]. Fasting blood glucose [(5.64 ± 0.53) vs (10.96 ± 2.63) mmol/L], 2-hour-postprandial blood glucose [(7.74 ± 1.46) vs (18.50 ± 3.24) mmol/L], insulin resistence calculated according to the HOMA formula [(2.50 ± 1.12) vs (5.90 ± 1.82) retool/L], total cholesterol [(4.40± 0.45) vs (8.44 ± 0.90) mmol/L], tryglyceride [(2.80 ± 1.01) vs (6.84 ± 1.83) mmol/L], low-density lipoprotein cholesterol [(3.01 ± 0.73) vs (5.11 ± 1.35) mmol/L], and free fatty acid [(0.34 ± 0.11) vs (0.73 ± 0.10) mmol/L] all decreased significantly (P 〈 0.05). Homa-β increased significantly [(73.32 ± 12.20) vs (11.8 ± 5.50) mmol/L, P 〈 0.05]. Cardiac diastolic function was significantly improved [(0.74 ± 0.35) vs (1.09 ± 0.23), P 〈 0.01]. Conclusions After subcutaneous insulin injection treatment, oxidative stress level significantly decreases and cardiac diastolic function significantly improves in elderly patients with early stage DCM.
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