ダイエットと運動トレーニングは,肥満児の生理学的操作中に血圧と血管拡張反応を回復させます
Maurício M Ribeiro1, Alexandre G Silva, Nelson S Santos
1Department of Endocrinology, Medical School, University of São Paulo, São Paulo, Brazil. mmaltez@usp.br
Circulation
|April 20, 2005
まとめ
幼児の肥満は,運動やストレス中に血管機能を損なう. ダイエットと運動を組み合わせたトレーニングは,肥満児の血圧と血管の反応を効果的に回復します.
科学分野:
- 小児内分泌学について
- 心血管生理学 心血管の生理学
- 肥満に関する研究
背景:
- 幼児の肥満は,筋肉の血流調節に未知の影響を与える懸念が高まっています.
- 以前の研究は,ダイエットと運動の介入が肥満児の血管反応にどのように影響するかを完全に調査していない.
研究 の 目的:
- 肥満児の生理学的ストレス中の血圧 (BP) と前腕の血管伝導 (FVC) 反応を調査する.
- この集団において,食事と運動トレーニングが正常なBPとFVCの反応を回復できるかどうかを判断する.
主な方法:
- 39人の肥満児はダイエットのみまたはダイエットと運動グループに分けられ,10人の痩せた子供は対照群として働いた.
- 前腕の血流はプレチスモグラフィを用いて測定され,手握りの運動や精神的ストレステスト中に非侵襲的なBPモニタリングが行われました.
- 介入グループは,ダイエットまたはダイエットと運動トレーニングを受け,ベースラインと対照群と比較した結果を得ました.
主要な成果:
- 肥満児は,痩せた対照群と比較して,ベースラインより高い血圧と低いFVCを示した.
- 運動と精神的ストレスの間,肥満児は過剰なBP反応と鈍化したFVC反応を示しました.
- ダイエットと運動トレーニングは,ストレス中にFVC反応を大幅に改善し,痩せた子供に見られるレベルまで正常化させました.
結論:
- 子供の肥満は,生理的な課題の間に血圧と血管伝導性を大幅に変化させます.
- ダイエットによる変化だけで血圧が下がったが,食事と運動を組み合わせたトレーニングのみで,血管伝導性が回復した.
- 運動を含む介入は,肥満児の心血管反応を正常化するために不可欠です.
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