尿中の亜鉛が,外周動脈疾患と,強心研究における切断と関連
Claire Howlett1, Filippo Ravalli1, Kishan Bhatt1
1Vagelos College of Physicians and Surgeons, Columbia University, 630 W 168th street, New York, NY 10032 USA.
Discover endocrinology and metabolism
|September 4, 2025
まとめ
尿中の亜鉛濃度の上昇は,外周動脈疾患 (PAD) と切断のリスクの増加と関連しています. これらの関連性は,糖尿病患者においてより強く,亜鉛は
科学分野:
- 環境 健康
- 心血管感染症
- 代謝疾患の研究
背景:
- 尿中の亜鉛と心代謝疾患の関連は確立されていますが,外周動脈疾患 (PAD) の証拠は限られています.
- 外周動脈疾患 (PAD) と糖尿病に関連する切断は,特にアメリカインディアン成人の間で,重要な公衆衛生上の懸念を表しています.
- 尿中の亜鉛のような新しいバイオマーカーの調査は,PADの病原性とリスクの階層化を理解するために不可欠です.
研究 の 目的:
- 尿中の亜鉛濃度とPADの発生率との関連を予測的に評価する.
- 尿中の亜鉛と糖尿病関連の切断の関係を調べる
- これらの関連性に対する糖尿病状態による影響の変化の可能性を調査する.
主な方法:
- アメリカインディアン成人のコホートである 強い心臓研究 (SHS) のデータを活用した.
- ベースラインでPADのない2,045人,切断のない2,180人の参加者を含めた (1989-1991).
- ロジスティック回帰モデルを用いて10年間の追跡調査でPAD (足首と腕の指数によって定義される) と切断事件の評価
主要な成果:
- 尿中の亜鉛濃度の上昇は,社会統計学的および臨床的要因を調整した結果,PADの発生率 (OR:IQR増加率1. 29) および切断率 (OR:IQR増加率2. 36) の増加と関連した.
- これらの関連性は,糖尿病状態と断食時の血糖値の調整により弱まった.
- 尿中の亜鉛とPADの関連性は,発症時点での糖尿病患者の間で有意に強かった (OR:1. 43).
結論:
- この研究では,尿中の亜鉛濃度の上昇とPADの発症および切断のリスクの上昇との関連が示されています.
- 尿中の亜鉛は,特に糖尿病患者の場合,PADと切断リスクの潜在的なバイオマーカーとして機能することが示唆されています.
- 亜鉛代謝と周辺血管の健康との関係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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