運動中のダイアストリック血圧の変化は,血清コレステロールとインスリン抵抗性との正の相関関係があります
S E Brett1, J M Ritter, P J Chowienczyk
1Department of Clinical Pharmacology, Centre for Cardiovascular Biology and Medicine, King's College, St Thomas' Hospital, London SE1 7EH, UK. s.brett@umds.ac.uk
Circulation
|February 15, 2000
まとめ
軽度の運動中のダイアストリック血圧の変化は,コレステロールとインスリン抵抗性のレベルに関連しています. これらの代謝要因は,リスクのある個体において高血圧に寄与する可能性があります.
科学分野:
- 心血管生理学 心血管の生理学
- メタボリック・ヘルス メタボリック・ヘルス
- 運動科学は運動科学である.
背景:
- コレステロールやインスリン抵抗性などの代謝要因は,血管の反応性を通じて血圧に影響を与える可能性があります.
- これらの効果は,休息状態よりも運動中に顕著に 나타날 수 있습니다.
研究 の 目的:
- 血清コレステロール,インスリン抵抗性,および軽度の運動中の血圧変化の関連性を調査する.
- 健康な男性における運動中の血圧反応の予測要因を特定する.
主な方法:
- 75人の健康な男性で,休息時の血圧と低労働負荷の自転車ヘルメット (50~100W) を測定した.
- 評価された血清コレステロールとインスリン抵抗性 (断食グルコース-インスリン製品).
- 血圧変化の独立した予測要因を特定するために段階的な回帰を用いた.
主要な成果:
- 休息時の血圧は,コレステロールやインスリン抵抗性との有意な相関関係を示さなかった.
- 運動中のダイアストリック血圧の変化は,血清コレステロール (R>0.47) とインスリン抵抗性 (R>0.38) と著しく相関していた.
- 血清コレステロールとインスリン抵抗性は,運動中の静脈動脈血圧の変化の独立した予測因子でした.
結論:
- 穏やかな運動中のダイアストリック血圧の変化は,総コレステロールとインスリン抵抗性と強く関連しています.
- これらの発見は,失血症およびインスリン抵抗性患者における高血圧合併症の潜在的なメカニズムを示唆しています.
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