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左甲状腺素钠对TPOAb阳性亚临床甲状腺功能减退孕妇的干预研究 被引量:8

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摘要 目的观察左甲状腺素钠(L-T4)对甲状腺过氧化物酶抗体(TPOAb)阳性亚临床甲状腺功能减退(SCH)孕妇的治疗作用。方法将110例诊断TPOAb阳性SCH孕妇纳入治疗组(其中2.5 mIU<TSH≤5 mIU/L孕妇60例,5 mIU<TSH≤8 mIU/L孕妇50例),正常妊娠60例为对照组,对TPOAb阳性SCH孕妇给予L-T4治疗,比较两组的妊娠结局和新生儿情况;比较治疗组两亚组治疗后2周TSH水平以及达标率。结果与正常妊娠组相比,TPOAb阳性SCH孕妇治疗组治疗后胎膜早破、妊娠期糖尿病、妊娠期高血压、贫血、产后出血、早产发生率均无统计学意义(均P>0.05);新生儿情况:FT4、TSH水平、体质量、Apgar评分比较差异均无统计学意义(均P>0.05)。治疗组服用L-T4治疗2周后,2.5 mIU<TSH≤5 mIu/L组治疗后TSH值明显下降(P<0.01),2周达标率为75.0%;5mIU<TSH≤8 mIU/L组治疗后TSH值均明显下降(P<0.05),2周达标率为48.0%;两组间达标率差异有统计学意义(P<0.05)。结论妊娠期对TPOAb阳性SCH孕妇用L-T4治疗,能降低孕期促甲状腺激素水平,可改善不良妊娠结局,对胎儿甲状腺水平无影响。而L-T4治疗的起始剂量有待进一步细化调整。
出处 《现代实用医学》 2016年第11期1492-1493,共2页 Modern Practical Medicine
基金 宁波市农业与社会发展计划(2014C50075)
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