1. Risk factors associated with poor outcome in growth-restricted fetuses born at less than 30 weeks of gestation
- Author
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Uchiyama, Mihoko, Tanimura, Kenji, Shirakuni, Akari, Morizane, Mayumi, Deguchi, Masashi, Fujioka, Kazumichi, Morioka, Ichiro, and Yamada, Hideto
- Subjects
fetal growth restriction ,胎児発育不全 ,胎児推定体重 ,妊娠高血圧症候群 ,hypertensive disorders of pregnancy ,胎児血流異常 ,予後不良 ,poor outcome ,abnormal findings in Doppler ultrasound ,estimated fetal body weight - Abstract
妊娠30週未満で分娩となった胎児発育不全児(fetal growth restriction;FGR)において予後不良に関連する因子を明らかにすることを目的とした.【方法】2011年3月から2015年12月までに当科で管理したFGRの単胎92人のうち,妊娠30週未満で分娩となった16人を解析対象とした.解析対象16人を予後良好群(後遺症なし生存)8人と予後不良群(後遺症あり生存,または,子宮内胎児死亡,もしくは,新生児死亡)8人の2群に分類し,臨床背景・所見を比較することによって,予後不良に関連する因子を後方視的に検討した.【成績】予後良好群に比して予後不良群では,妊娠回数が少なく(中央値[範囲])(4[1-6]回 vs 2[1-3]回,p<0.05),FGR診断時胎児推定体重のSD(standard deviation)値が小さく(-1.8[-2.5--1.5]SD vs -3.0[-4.6--2.2]SD,p<0.05),高度の胎児血流異常ありの割合が高かった(13% vs 75%,p<0.05).また,FGRの原因・リスク因子として妊娠高血圧症候群(hypertensive disorders of pregnancy;HDP)が62.5%を占め,また,FGR診断後にHDPを発症した症例もあった.【結論】今回の検討では,妊娠30週未満で分娩となったFGR児の予後不良に,妊娠回数が少ないこと,FGR診断時胎児推定体重のSD値低値,高度の胎児血流異常ありが関連していた.また,早期に発症したFGRはHDPと関連が深いことが示唆された. Objective: We aimed to evaluate the factors associated with poor outcome in growth-restricted fetuses born at less than 30 weeks of gestation (GW). Patients and Methods: This was a retrospective study including 92 fetuses with fetal growth restriction (FGR) who were born in our hospital between March 2011 and December 2015. Sixteen of the 92 FGR fetuses were born at less than 30 GW. The 16 FGR fetuses were divided into two groups according to the outcome: good (healthy) and poor (handicapped or dead). We investigated the differences in the clinical characteristics and findings between the two groups. Results: There were significant differences between these two groups in the number of gravidity (median [range], p-value) (good outcome group 4 [1-6] vs poor outcome group 2 [1-3], p
- Published
- 2018