Abstract

目的探讨伴低T3综合征(LT3S)的急性髓系白血病(AML)患者的临床特征及预后。方法回顾性分析2013年1月至2019年12月江苏省人民医院血液科连续收治的236例AML患者的临床资料,按照血清甲状腺素水平将其分为LT3S组和非LT3S组,比较两组患者的临床特征及预后。结果在236例AML患者中,有62例(26.3%)患者出现LT3S。血清游离三碘甲状腺原氨酸(T3)水平与白蛋白(r=0.443,P<0.001)、血红蛋白(r=0.187,P=0.005)水平呈正相关,与C反应蛋白(r=−0.406,P<0.001)、乳酸脱氢酶(r=−0.274, P<0.001)水平呈负相关。LT3S组与非LT3S组相比,总生存(OS)期(7.5个月对29.9个月,P<0.001)和无进展生存(PFS)期(2.0个月对24.0个月,P<0.001)明显缩短。使用倾向性匹配评分均衡患者基线资料后显示,LT3S组与非LT3S组相比OS期(9.6个月对30.4个月,P=0.010)和PFS期(3.0个月对30.0个月,P=0.014)仍明显缩短。合并LT3S是影响AML患者OS(HR=2.553,95% CI 1.666~3.912,P<0.001)和PFS(HR=1.701,95% CI 1.114~2.597,P=0.014)的独立危险因素。亚组分析提示,在肥胖、体能状态差或采用标准方案化疗的AML亚组中合并LT3S者预后更差。结论LT3S的发生反映AML患者临床状态差,不能耐受高强度化疗,预后不良。

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