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青春期と成人期前半における大動脈の脂肪系における黒と白の違い:ボガルーサ心臓研究
D S Freedman1, W P Newman, R E Tracy
1Division of Biostatistics and Clinical Epidemiology, Medical College of Wisconsin, Milwaukee.
Circulation
|April 1, 1988
まとめ
若い黒人の個人は,伝統的な危険因子とは関係なく,白人よりも大きな大動脈脂肪系 (FS) の流行を示しています. これは,初期の動脈硬化病変の進行が人種によって異なることを示唆している.
科学分野:
- 心血管科学の研究について
- 公衆衛生は公衆衛生である.
- 病理学 パトロジー
背景:
- 大人の白人の集団は,より高度な大動脈繊維性プラークを示しています.
- 青春期黒人人口は,白人の同年代と比較して,大動脈脂肪線 (FS) の高い罹患率を示しています.
- 早期の動脈硬化病変の発達における人種差異は,調査を正当化します.
研究 の 目的:
- 大動脈脂肪系 (FS) の有病率における人種差異の潜在的決定因子を調べる.
- 若い死者における臨床的リスク因子とFSとの関係を調査する.
- FSから進行性動脈硬化病変への移行における人種差を理解する.
主な方法:
- ボガルーサ心臓研究から44人の死亡者 (6歳から27歳) の分析.
- FS.で大動脈表面の関与の評価.
- 血清脂質,脂質タンパク質,血圧,肥満を含む死前リスク要因の評価.
主要な成果:
- 黒人亡命者 (n=11) は白人亡命者 (n=33; 16%, p=.0003) よりも,著しく多くの大動脈FS (37%) を示した.
- この人種差は,年齢,性別,および測定された臨床リスク因子とは無関係に持続した.
- リスク因子調整後でも,黒人個人は16%以上のFS関与 (p<.001) を有していた.
結論:
- 若者における早期大動脈脂肪系 (FS) の流行における人種差異は,伝統的な臨床的リスク因子によって説明されません.
- 発見は,黒人と白人の個体における動脈硬化性病変の進行のための明確な経路を示唆しています.
- 心血管疾患の発症におけるこれらの人種差を駆動するメカニズムを明らかにするために,さらなる研究が必要である.
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