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甲状腺機能検査の異常と甲状腺の自己免疫性の早産との関連: 系統的レビューとメタ解析
, T I M Korevaar1,2, Arash Derakhshan1,2
1Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands.
JAMA
|August 21, 2019
まとめ
妊婦のサブクリニック性甲状腺機能低下症,孤立性甲状腺低血圧症,甲状腺過酸化酵素抗体の陽性性は,早産のリスクの増加と関連しています. これらの発見は,妊娠中の甲状腺のスクリーニングと治療戦略を洗練するのに役立ちます.
科学分野:
- 生殖内分泌学と 母胎医学
- 妊娠中の甲状腺疾患と産婦人科の結果への影響
背景:
- 妊婦の甲状腺機能低下症と甲状腺機能過剰症は 早期出産の危険因子です
- 甲状腺機能の軽い異常,甲状腺自身免疫,早産との関連は依然として議論の余地があります.
- これらの関連性を理解することは 産前ケアとスクリーニングプロトコルの最適化に不可欠です
研究 の 目的:
- 母親の甲状腺機能検査の異常と甲状腺自身免疫が早産のリスク要因であるかどうかを調べる.
- 準臨床性甲状腺機能低下症,孤立性甲状腺機能低下症,甲状腺過酸化酵素 (TPO) 抗体陽性と早産のリスクとの関連を分析する.
主な方法:
- 将来のコホート研究の体系的レビューとメタ解析が行われました.
- 47,045人の妊婦を含む19人のコホートからのデータを分析した.
- 甲状腺機能検査 (チロトロピン [TSH] とフリーチロキシン [FT4]) とTPO抗体の測定は,早産のアウトカムに対して評価された.
主要な成果:
- サブクリニカルな甲状腺機能低下症 (OR,1.29) と孤立した甲状腺機能低下症 (OR,1.46) は,早産のリスクの増加と有意に関連していました.
- 母親のTPO抗体陽性度は,早産のリスクも高かった (OR,1. 33).
- タイロトロピンの濃度の上昇は,継続的に早産のリスクの増加と関連していました.
結論:
- 甲状腺機能低下症,孤立性甲状腺機能低下症,およびTPO抗体の陽性性は,甲状腺疾患が明らかでない妊婦における早産の重要な危険因子である.
- これらの発見は,妊娠中にこれらの状態のスクリーニングを検討することを支持しています.
- この結果は,スクリーニングとレボチロキシン治療の潜在的利益と害に関する臨床的意思決定に役立つ.
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