まとめ
口服避妊薬の使用は,15~44歳の女性の心血管疾患による死亡率の増加と関連しています. 心臓病,高血圧,脳卒中のリスクは,低用量錠剤でも使用者の方が高い.
科学分野:
- 心血管疾患の疫学について
- 生殖器の健康については,
背景:
- 口服避妊薬 (OCs) は,生殖年齢の女性によって広く使用されています.
- 以前の研究では,OCsと心血管疾患のリスクとの関連が示唆されていたが,その範囲と特定の疾患は議論されていた.
研究 の 目的:
- 15~44歳の女性の心血管疾患による経口避妊薬の普及率と死亡率の傾向との関連性を分析する.
- 特定の心血管疾患による死亡の相対的なリスクを定量化するために,OCユーザーを非ユーザと比較して,OCユーザーを比較します.
主な方法:
- 21カ国の死亡率データを分析した.
- 心血管疾患の死亡傾向 (非レウマチックな心臓病,高血圧,脳血管疾患) と経口避妊薬の流行の変化との相関.
- 口服避妊薬使用者における心血管疾患による死亡率の相対リスクの推定.
主要な成果:
- 経口避妊薬の使用の増加と,非リウマチ性心疾患,高血圧,脳血管疾患による死亡率の増加との間に,15歳から44歳までの女性の間で有意な関連性が見つかりました.
- 死亡の相対的なリスクは,心疾患/高血圧では5:1,脳血管疾患では2:1,すべての心血管疾患では3:1,OC使用者と非使用者の間で推定されました.
- 新しい低用量製剤を含む異なるエストロゲン用量においてリスクの増加が観察されました.
結論:
- 口服避妊薬の使用は,生殖年齢の女性の血管疾患の範囲からの死亡率の増加と強く関連しています.
- 特定されたリスクは,以前に認識されたものよりも大きい可能性があり,高用量エストロゲン錠剤に限定されていません.
- 発見は,錠剤の配方に関係なく,経口避妊薬の使用者の心血管リスクを検討することの重要性を強調しています.
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