公衆衛生83巻5号

2019年05月発行

特集 循環器疾患を予防する

循環器疾患予防のこれまでとこれから—減塩〔塩(縁)切り〕に本腰を

著者： 上島弘嗣¹²

所属機関： ¹滋賀医科大学アジア疫学研究センター ²滋賀医科大学社会医学講座公衆衛生部門

ページ範囲：P.330 - P.336

はじめに
　脳卒中，心筋梗塞，心不全をはじめとした循環器疾患の予防の成否は，その危険因子に対する対策をいかに進めるかによる．かつて，わが国は世界で最も高い脳卒中死亡率を有していたが，国民の血圧値と高血圧の頻度の低下と軌を一にして低下した¹⁾．脳卒中が猛威を振るった1965年前後，その原因は疫学調査によって高血圧にあることが立証された．また，高血圧の主因は，国民の食塩摂取量の多いことであると考えられてきた¹⁾．
　脳卒中が激減した現在においても，高血圧対策は循環器疾患予防の柱であるのか，循環器疾患予防の歴史を振り返りながら，今後の減塩推進の重要性を考える．

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