トロピカルサイクロンへの曝露と精神薬関連死亡率

Raenita Spriggs¹, Victoria D Lynch¹, Yuanyu Lu²

¹Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York.

JAMA network open

|February 20, 2026

まとめ

トロピカルサイクロンへの曝露は,そのイベントから最大3ヶ月間,精神薬関連死者を増加させます. これは,薬物使用サービスを災害計画に統合する必要性を強調しています.

科学分野:

環境衛生環境衛生環境衛生
エピデミオロジーエピデミオロジー
公衆衛生は公衆衛生である.

背景:

トロピカルサイクロンは,ますます頻繁で深刻になり,コミュニティの健康にリスクをもたらしています.
薬物使用と精神衛生問題は,自然災害によって悪化します.
以前の研究は,熱帯サイクロンへの曝露と精神薬関連死亡の関連性を全国的に包括的に調査していない.

研究の目的:

郡レベルの熱帯サイクロンへの曝露と,米国における精神薬関連死亡率との関連性を評価する.
サイクロンの強さと人口統計学的要因が,この関連性をどのように変化させるかを調査する.

主な方法:

ベイジアン条件付き準ポアソンモデルを用いたケース・コントロール研究.
1988年1月1日から2019年12月31日の間,熱帯サイクロンにさらされたアメリカ合衆国の隣接する郡からのデータです.
月間精神薬関連死亡率は,サイクロンにさらされた日数と関連して分析され,サイクロンの強さ,年齢,性別,社会的弱点によって層分かれました.

主要な成果:

サイクロンにさらされた1日ごとに,被曝月の精神薬関連死亡率が3.84%増加し,その死亡率は最大3ヶ月持続した.
若い成人 (15歳から44歳) は,高齢者と比較して,より高い増加を示しました.
この関連性は,人種的構成に関係なく,貧困が低い郡でのみ有意であった.

結論:

トロピカルサイクロンへの曝露は,イベント後少なくとも3ヶ月間,精神薬関連死亡率の上昇と関連しています.
発見は,薬物使用と精神衛生のサポートを気候災害への備えと対応に組み込むことの重要性を強調しています.
公共衛生の戦略は,貧困が低い地域における脆弱な集団への不均衡な影響に対処すべきである.

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