低白蛋白对老年慢性心力衰竭患者长期预后的影响

被引:25
作者
宋娇磊
于彤彤
刘双双
王传合
王菁菁
韩苏
孙兆青
孙志军
机构
[1] 中国医科大学附属盛京医院心内科
关键词
倾向性评分分层分析; 低白蛋白; 慢性心力衰竭; 长期预后;
D O I
10.20039/j.cnki.1007-3949.2016.02.018
中图分类号
R541.6 [血液循环衰竭];
学科分类号
100201 [内科学];
摘要
目的通过倾向性评分分层分析法探讨低白蛋白对老年慢性心力衰竭患者长期预后的影响。方法连续入选1271例老年慢性心力衰竭患者,按血清白蛋白水平分为两组:白蛋白正常组(血清白蛋白≥35 g/L)、低白蛋白组(血清白蛋白<35 g/L)。以全因死亡为主要终点,采用倾向性评分分层分析法,通过多因素COX回归分别评价分层前后低白蛋白对长期预后的影响。结果分层之前,与白蛋白正常组相比,低白蛋白组年龄更大,心功能纽约分级、直接胆红素、碱性磷酸酶、肌酐、脑钠肽更高,高血压更少,血红蛋白、间接胆红素、胆固醇、血钠、入院射血分数更低,入院心率更快。所有患者平均随访23.9个月,随访期间,整体死亡165人,病死率为13.0%;低白蛋白组死亡76人,病死率为46.1%;白蛋白正常组死亡260人,病死率为23.5%。单因素COX回归分析显示,低白蛋白是老年慢性心衰患者长期死亡风险增加的强独立预测因子(HR为2.540,95%CI为1.966~3.282,P<0.001);即使校正了倾向性评分值后,低白蛋白患者的长期死亡风险仍比白蛋白正常者显著增加了56.1%(HR为1.561,95%CI为1.186~2.054,P=0.001)。采用倾向性评分分层分析法后,合并的HR为1.724,95%CI为1.311~2.268,提示低白蛋白患者的长期死亡风险要比白蛋白正常者高0.724倍。结论对于老年慢性心力衰竭患者,低白蛋白预示着死亡风险的增加,纠正低白蛋白有可能改善心衰患者的预后。
引用
收藏
页码:187 / 192
页数:6
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