以前の不血性脳卒中の女性における再発性不血性脳卒中と陰道エストラディオール: 全国的に組み合わされた症例対照研究
Kimia Ghias Haddadan1,2, Camilla Eckert-Lind1,2, Amani Meaidi3
1Department of Cardiology, Copenhagen University Hospital-Herlev and Gentofte, Denmark. (K.G.H., C.E.-L., N.D.J., M.C.H.L., K.G.S., G.G., T.B.-S., D.M.).
Stroke
|August 21, 2025
まとめ
前回の脳卒中の女性では,陰道用エストラディオール錠は再発性性脳卒中のリスクを増加させなかった. この研究では,内エストロゲンの使用と脳卒中の再発との間には関連性が見られなかった.
科学分野:
- 神経学
- 内分泌学
- 公衆衛生
背景:
- 組織的なエストロゲン治療は,再発の危険性があるため,血栓性脳卒中歴のある女性では禁忌です.
- 内エストロゲンの使用と再発性不全性脳卒中のリスクに関する事前のデータはありませんでした.
- この研究は,性エストラディオールと脳卒中の再発に関する知識のギャップを解決します.
研究 の 目的:
- 内エストラディオール錠剤の使用と再発性不全性脳卒中の割合との関連を調査する.
- 陰道によるエストロゲン治療の安全性を評価する.
主な方法:
- 全国的なネストケース・コントロール研究 (2008年−2017年)
- 第一次性不全性脳卒中を患った45歳以上の女性も含まれており,以前は内エストロゲンを使用していなかった.
- 生年ごとに3353人の再発性脳卒中の症例と3353人の対照群を比較し,処方箋データを用いて被曝を評価した.
主要な成果:
- ヴァギナルのエストラディオール錠剤の使用は,再発性不全性脳卒中の発生率の増加と関連しませんでした.
- 現在,最近,過去の使用に対する調整された危険比率はそれぞれ0. 79,1. 09,1. 48でした.
- すべての被曝カテゴリーで統計的に有意なリスク増加は観察されなかった.
結論:
- ヴァギナルのエストラディオール錠剤の使用は,再発性不全性脳卒中のリスクの増加と関連していません.
- 前回の脳卒中の女性では,陰道からのエストラディオルが脳卒中の再発リスクを高める可能性は低い.
- 特定の患者集団における局所的なエストロゲン治療の潜在的な安全性を支持する.
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