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JACC:围产期心肌病的临床发展结果

2015-08-18 崔倩 译 MedSci原创

    围产期心肌病(PPCM)仍然是产妇发病和死亡的一个主要原因。本研究旨在前瞻性评估多中心IPAC研究(妊娠相关心肌病的调查)的左室射血分数(LVEF)和临床结果。    研究人员招收了100名PPCM产妇参与研究,并在其产后1年进行随访。在基线,产后2,6和12个月的LVEF通过超声心动图进行评估。研究人员确定了主要心血管事件(死亡,移植或左室[LV]

围产期心肌病(PPCM)仍然是产妇发病和死亡的一个主要原因。本研究旨在前瞻性评估多中心IPAC研究(妊娠相关心肌病的调查)的左室射血分数(LVEF)和临床结果。

研究人员招收了100名PPCM产妇参与研究,并在其产后1年进行随访。在基线,产后2、6和12个月的LVEF通过超声心动图进行评估。研究人员确定了主要心血管事件(死亡、移植或左室[LV]辅助装置)的存活率。临床结果的预测因子,特别是种族、左室功能(LVEF)参数、左室舒张末内径[LVEDD]重塑,通过单因素和多因素分析进行了评估。

队列中30%是黑人,65%是白人,5%为其他种族;患者的平均年龄为30±6岁;88%接受β-阻断剂,81%接受血管紧张素转换酶抑制剂或血管紧张素受体阻断剂治疗。在研究开始时的LVEF为0.35±0.10,6个月时为0.51±0.11,12个月时为0.53±0.10。1年后,13%经历了重大事件或患有持续性剧烈心肌病,LVEF<0.35,72%达到LVEF≥0.50。初始LVEF<0.30(p值=0.001),LVEDD≥6.0厘米(P<0.001),黑人(p=0.001),和产后6周报告(p值=0.02)与在12个月时较低的LVEF相关联。在基线时LVEF<0.30并且LVEDD≥6.0厘米在产后1年后没有回复,然而在基线LVEF≥0.30并且LVEDD<6.0厘米的患者91%都恢复了(P <0.00001)。

在一项PPCM前瞻性队列研究中,大多数女性得到了恢复;然而,13%的患者出现重大事件或持续性剧烈性心肌病。黑人女性在产后6至12个月有更多的左心室功能障碍表现。在研究开始时严重左室功能不全和更大的重塑均导致较低比例的恢复。

原始出处:

Dennis M. McNamara, Uri Elkayam, Rami Alharethi,et al.Clinical Outcomes for Peripartum Cardiomyopathy in North America,JACC,2015.8.18

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    2016-06-14 hbwxf
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