ハイパルトリグリセリデミアの家族形態における心血管疾患の死亡率:20年間の見通し研究
M A Austin1, B McKnight, K L Edwards
1Department of Epidemiology, School of Public Health and Community Medicine, University of Washington, Seattle 98195-7236, USA. maustin@u.washington.edu
Circulation
|June 22, 2000
まとめ
家族性結合性高脂血症 (FCHL) 家族の親族は,心臓血管疾患 (CVD) による死亡リスクが高くなります. 高トリグリセリドレベルは,家族性高トリグリセリデミア (FHTG) 家族におけるCVD死亡を予測し,予防の必要性を強調しています.
科学分野:
- 心血管疾患の疫学について
- 脂質代謝障害 脂質代謝障害について
- 心血管疾患に遺伝的傾向がある.
背景:
- 家族性併合性高脂血症 (FCHL) と家族性高血糖血症 (FHTG) は,一般的な遺伝性脂質障害である.
- これらの家族における心血管疾患 (CVD) リスクに関する予測データは限られている.
- 長期的な死亡リスクを理解することは,標的を絞った介入に不可欠です.
研究 の 目的:
- FCHLとFHTGの親族の20年総死亡リスクとCVD死亡リスクを推定する.
- これらの家族性高脂血症コホートにおける死亡率の予測因子としてのプラズマトリグリセリドレベルを評価する.
- 効果的なCVD予防戦略の開発に情報を提供するために.
主な方法:
- 101の家族の脂質と病歴データを活用した前向きなコホート研究.
- 1993年から1997年にかけての685人の家族 (親戚と配偶者) の生命状態と死因が確認された.
- 相対リスクを決定するために,ベースラインコバリアートに調整された統計分析.
主要な成果:
- 20年間のCVD死亡リスクは,FCHLファミリーの兄弟姉妹および子孫において1.7倍増加した (P=0.02).
- FHTGファミリーでは,CVD死亡リスクの統計的に有意な増加は認められなかった (RR=1.7,P=0.39).
- トライグリセリド値の上昇は,FHTGファミリーにおけるCVD死亡率を予測した (RR=2.7,P=0.02),総コレステロールとは無関係であった.
結論:
- FCHLファミリーの親族は,CVD死亡率のリスクが著しく上昇しています.
- ベースラインのトリグリセリドレベルは,FHTGファミリーにおけるCVD死亡率の有意な予測因子である.
- これらの発見は,心血管疾患のリスク因子としての高トリグリセリデミアの重要性と予防措置の必要性を強調しています.
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