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高血圧の予測における人種指数および新規脂肪指数:15年間の前向きコホート研究
Pei Pan1, Ying Yang2, Hongyu Kuang1
1Department of Cardiovascular, University-Town Hospital of Chongqing Medical University, Chongqing, China.
Internal and emergency medicine
|January 7, 2026
まとめ
心メタボリック指数(CMI)や内臓脂肪指数(VAI)などの新しい脂肪指数は高血圧を予測する可能性があるが、腹囲(WC)、ボディマス指数(BMI)、身長に占める腹囲の割合(WHtR)などの従来の指標の方が、依然として優れた予測因子である。
科学分野:
- 心血管の健康と代謝症候群; 高血圧リスク予測; 肥満指数とバイオマーカー
背景:
- 高血圧は主要な心血管リスク因子です。心メタボリック指数(CMI)、内臓脂肪指数(VAI)、機能不全脂肪指数(DAI)、およびボディ脂肪指数(BAI)を含む新規脂肪指数が登場しています。これらの新規指数と従来の身体計測指標との比較による将来の高血圧リスクに対する予測値は、まだ十分に確立されていません。
研究 の 目的:
- 新規脂肪指数(CMI、VAI、DAI、BAI)が、従来の指標(腹囲[WC]、ボディマス指数[BMI]、身長に占める腹囲の割合[WHtR])と比較して、将来の高血圧リスクの予測因子として優れているかどうかを評価すること。
主な方法:
- 597人の患者が参加したMONICAプロトコルの事後解析。身体計測および生化学的データを含む1992年に収集されたデータと2007年の追跡調査。多変量Cox回帰およびROC曲線分析を用いて予測能力を評価しました。
主要な成果:
- 調整後、CMI、VAI、DAI、BAI、WC、WHtR、およびBMIはすべて高血圧の発症と有意に関連していました。ROC曲線分析により、従来の指標の方が高い予測識別能力を示すことが示されました。AUCはWC(0.649)で最も高く、BMI(0.648)、WHtR(0.646)がそれに続き、CMIは低いAUC(0.603)を示しました。
結論:
- CMI、VAI、DAI、およびBAIは高血圧の独立した予測因子として機能する可能性がありますが、それらの識別能力は従来の指標よりも劣っています。WC、BMI、およびWHtRなどの従来の指標は、高血圧の発生を予測する上で優れた能力を示します。新規指数が追加価値を提供する可能性のある特定の集団や併用については、さらなる研究が検討される可能性があります。
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