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基质金属蛋白酶-9对急性主动脉夹层患者预后的预测价值 被引量:5

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摘要 目的探讨血浆基质金属蛋白酶-9(MMP-9)对急性主动脉夹层患者预后的预测价值。方法选择2011年2月至2013年1月完全符合诊断标准的急性主动脉夹层患者321例,用ELISA检测入院时血浆MMP-9。以死亡作为随访终点,随访1年。采用ROC曲线和COX生存回归分析MMP-9对急性主动脉夹层患者死亡的预测价值。根据MMP-9判断夹层患者死亡的最佳临床分界点,将患者分为MMP-9降低组和MMP-9升高组。结果 321例患者死亡122例,存活199例。死亡组患者入院时MMP-9高于存活组患者,差异有统计学意义[(1.92±0.62)mg/L vs.(1.59±0.51)mg/L,P〈0.001]。ROC曲线分析提示,MMP-9对急性主动脉夹层患者死亡具有预测价值(曲线下面积为0.881,95%CI:0.81-0.92,P〈0.01),最佳临床分界点为1.89mg/L,灵敏度为89.4%,特异度为74.8%。COX生存回归分析显示,MMP-9和急性主动脉夹层患者死亡密切相关[MMP-9分组:HR(95%CI)=3.68(1.16-5.42),P〈0.01;MMP-9连续变量:HR(95%CI)=1.33(1.14-1.61),P=0.016]。KaplanMeier生存分析示,MMP-9降低组和MMP-9升高组的累积生存率差异有统计学意义(P〈0.01)。结论 MMP-9对急性主动脉夹层患者预后具有预测价值,能够识别高危患者。
出处 《重庆医学》 CAS 北大核心 2015年第14期1957-1959,共3页 Chongqing medicine
基金 国家自然科学基金(81260410) 四川省泸州市科技局课题[2013-S-47(11/20)]
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