ハートアウトカムズ予防評価 (HOPE) 試験における複数の感染およびその後の心血管イベント
Marek Smieja1, Judy Gnarpe, Eva Lonn
1Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada.
Circulation
|January 23, 2003
まとめ
サイトメガロウイルス (CMV) 曝露は,他の感染症ではなく,HOPE研究患者の心血管疾患のリスクがわずかに増加しました. 合併病原体スコアも,心臓発作,脳卒中,心血管死亡のリスクが高いことを予測しました.
科学分野:
- 感染症の疫学について
- 心血管疾患の研究について
背景:
- クライミジア肺炎,ヘリコバクター・ピロリ,サイトメガロウイルス (CMV),A型肝炎ウイルス (HAV),心血管疾患 (CV) などの感染症に関する予測データは限られている.
- これらの病原菌が心血管疾患のアウトカムに与える個々の影響と組み合わせた影響を調査することは極めて重要です.
研究 の 目的:
- C. pneumoniae,H. pylori,CMV,HAVに個別に,および総病原体スコアとして曝露することと心血管疾患との関連性を評価する.
- これらの感染症が,心筋梗塞,脳卒中,心血管死などの将来の心血管疾患を予測するかどうかを判断する.
主な方法:
- Heart Outcomes Prevention Evaluation (HOPE) 研究では,カナダの患者3168人を対象に登録した血清を分析した.
- C. pneumoniae,H. pylori,CMV,HAVに対する抗体の測定
- 血清状態と,4.5年間にわたる494件の判断された心血管疾患のアウトカムとの相関.
主要な成果:
- サイトメガロウイルス (CMV) 血清状態は,心血管疾患のリスクの増加と関連していました (調整HR,1.24).
- Chlamydia pneumoniae,H. pylori,およびHAVの血清状態は,心血管疾患を予測しなかった.
- これらの感染症を組み合わせた総病原体スコアは,CVイベントの増加と関連していました (4つの病原体に対して0または1 = 1.41の調整HR).
結論:
- CMVの暴露は,C.pneumoniae,H.pylori,またはHAVと異なり,その後の心筋梗塞,脳卒中,または心血管死亡のリスクがわずかに増加したことを示しました.
- 総病原体スコアは,研究集団における心血管疾患のリスクがわずかに増加したことを示した.
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