高度なトレーニングを受けた女性アスリートにおける激しい運動に対する生理学的心的適応における民族的差異
Circulation
|February 24, 2010
まとめ
高度なトレーニングを受けた黒人女性アスリートは,白人の女性アスリートよりも,左心室高縮症と,ECGのリポラライゼーションの変化を多く示しています. これらの発見は,エリート女子アスリートにおける心筋スクリーニングの準備に重要である.
科学分野:
- 心臓病学 心臓病学
- スポーツ医学 スポーツ医学
- 運動生理学 運動生理学
背景:
- エスニティは,アスリートの心血管適応に影響します.
- 黒人男性選手は,白人男性と比較して,電気再偏極化と左心房高縮の有病率が高くなります.
- 高度な訓練を受けた黒人女性における心臓の適応は,依然として報告されていない.
研究 の 目的:
- エリートクラスの黒人女性アスリートにおける心臓適応を調査するために.
- 黒人と白人の女性アスリートの心血管の違いを比較するために.
- 心臓スクリーニングの準備への影響を評価する.
主な方法:
- 240人の全国ランキングの黒人女性アスリートと200人の白人女性アスリートを研究した.
- 電気心臓図 (ECG) と2次元のエコー心臓図 (echocardiography) が実施されました.
- 同様のスポーツや年齢層の選手の民族間のデータを比較した.
主要な成果:
- 黒人女性選手は,白人の女性選手よりも左心室の壁の厚さと質量が大きかった.
- 黒人女性アスリートでは,T波の逆転とSTセグメントの上昇のより高い流行が観察されました.
- 深いT波の逆転は,黒人アスリートにのみ認められ,前頭線に局限していた.
結論:
- 黒人女性アスリートにおけるシステマティックな運動は,左心房高縮と再極化変化の増加と関連しています.
- 最大の左心室壁の厚さ>13mmまたは深い下部/横部T波の逆転は,この集団ではまれです.
- 黒人女性アスリートの心臓スクリーニングにおける希少な発見については,さらなる研究が必要である.
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