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雑誌文献

臨床検査55巻4号

2011年04月発行

文献概要

今月の主題 静脈血栓塞栓症と凝固制御因子プロテインS 各論

妊娠とプロテインS

著者: 月森清巳1

所属機関: 1福岡市立こども病院産科

ページ範囲:P.378 - P.384

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妊娠時には生理的な過凝固状態となる.この現象は分娩時出血の止血に合目的である反面,血栓症を起こしやすい状態でもある.凝固抑制因子であるプロテインSは妊娠の経過に伴い低下することが報告されている.プロテインS異常症では,妊娠中に静脈血栓塞栓症の発症リスクのみならず胎児死亡,胎児発育遅延や妊娠高血圧症候群といった周産期合併症の発症リスクが高くなる.プロテインS異常症合併妊娠においては,全妊娠経過中,予防的低用量未分画ヘパリン治療が必要である.一方,正常妊婦においても,生理的なプロテインS低下は胎児発育遅延,妊娠高血圧症候群,早産の発症と関連することが示されている.今後,妊娠に伴う生理的なプロテインS低下と周産期合併症との関連を明らかにするとともに,生理的なプロテインS低下における妊娠分娩管理方針を策定することが望まれる.

参考文献

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掲載誌情報

出版社:株式会社医学書院

電子版ISSN:1882-1367

印刷版ISSN:0485-1420

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