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脑梗死患者血浆中内源性硫化氢含量的变化 被引量:25

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摘要 目的探讨脑梗死患者血浆中内源性硫化氢(H2S)含量的变化及其病理生理意义。方法采用分光光度法测定56例脑梗死患者及50名健康对照组血浆H2S含量,并分析脑梗死患者不同临床亚组间血浆H2S含量的差异、血浆H2S含量与缺血性脑血管疾病危险因素的关系。结果脑梗死患者血浆H2S含量(27.32±14.56)μmol/L明显低于对照组(53.78±18.37)μmol/L,(P<0.01);脑梗死患者中,大体积脑梗死[(16.98±7.62)μmol/L]与中体积脑梗死血浆H2S含量[(22.50±13.79)μmol/L],均显著低于小体积脑梗死[(35.72±14.63)μmol/L,P<0.01];伴有颈动脉斑块形成者血浆H2S含量,远低于无颈动脉斑块形成者[(18.24±10.55)μmol/Lvs(28.76±14.75)μmol/L,P<0.01];脑梗死患者中,高血压病者血浆H2S明显低于无高血压病者[(21.24±8.96)μmol/Lvs(34.61±14.95)μmol/L,P<0.01],糖尿病者明显低于无糖尿病者[(19.46±9.73)μmol/Lvs(30.51±15.69)μmol/L,P<0.01],并且血浆H2S水平与血糖水平呈强负相关(r=-0.5147,P=0.0057),与性别、年龄、胆固醇、甘油三酯、低密度脂蛋白、高密度脂蛋白等无相关关系。结论血浆中H2S水平降低可能与脑梗死临床病情严重性及脑动脉血管病变程度相关。血浆H2S含量的减少可能与缺血性脑血管疾病危险因素高血压、高血糖相关。
出处 《中国神经精神疾病杂志》 CAS CSCD 北大核心 2010年第1期43-45,共3页 Chinese Journal of Nervous and Mental Diseases
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参考文献17

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