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早期の成長が遅くなるのは,長期的な心血管健康に有益ですか?
Atul Singhal1, Tim J Cole, Mary Fewtrell
1MRC Childhood Nutrition Research Center, Institute of Child Health, 30 Guilford St, London, UK, WC1N 1EH. a.singhal@ich.ucl.ac.uk
Circulation
|March 3, 2004
まとめ
新生児の早期成長の加速は,後年の心血管疾患の悪化と関連しています. 新生児の成長が遅い,特に早産児の場合は,思春期における血管機能の改善と関連している.
科学分野:
- 新生児の発達について
- 心血管の健康について
- 血管機能 血管機能
背景:
- 動物の新生児の加速成長は,心血管疾患 (CVD) のリスクの増加と関連しています.
- 早期の成長が遅くなると,長期的な健康に保護効果があると仮定されています.
- この研究は,早期の成長パターンが人間の心血管健康に与える影響を調査しています.
研究 の 目的:
- 新生児の成長率と青春期の内皮機能との関係を評価する.
- 早期の成長軌道を変化させる早産児の血管機能を比較し,定期産児の対照群を比較する.
主な方法:
- 高解像度血管超音波を用いて,青少年 (13-16歳) のフローメディエイト膨張 (FMD) を測定した.
- 妊娠早産のコホート (n=216) と,妊娠早産の対照群 (n=61) を比較した.
- 反応性高血症への反応として腕動脈直径の変化を分析した.
主要な成果:
- 産後最初の2週間におけるより大きな体重増加または線形成長は,思春期における口病の有意な低下と関連していました.
- 早期成長率が最も低い青少年 (早産前グループ) は,早期成長率が最も高い青少年と早産後の対照群と比較して,より高い口腔炎を発症しました.
- 早期発達の加速が発口病に与える悪影響は大きく,喫煙などの成人の危険因子に匹敵する.
結論:
- 新生児の加速成長は,長期的な心血管の健康,特に内皮機能に悪影響を及ぼします.
- 遅い産後成長,特に早産児では,思春期における血管の健康改善と関連しています.
- 早期の成長パターンは,出生時の体重と後の心血管疾患のリスクとの関連を説明する可能性がある.
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