A drug that acts on the muscles of the blood vessel walls to constrict blood vessels. Clinically, sympathomimetics with strong alpha receptor stimulating effects are mainly applied locally to constrict blood vessels in mucous membranes and subcutaneous tissues, and are used to remove congestion, suppress mucous secretions, and stop bleeding during surgery. Since adrenaline has a short duration of action, solutions of phenylephrine, ephedrine, naphazoline, etc., which have a longer-lasting effect, are generally used. Autonomic Nervous System Drugs [Yutaka Kasuya] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
血管壁の筋肉に働きかけて血管を収縮させる薬。臨床的には,主として交感神経興奮薬のうちα受容体興奮作用の強いものを局所的に適用して粘膜や皮下組織の血管を収縮させ,充血の除去,粘膜分泌の抑制,手術時の止血などに利用する。アドレナリンは作用の持続が短いので,それよりも持続性のフェニレフリン,エフェドリン,ナファゾリンなどの溶液が一般に使われる。自律神経薬【粕谷 豊】
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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