まとめ
静脈の流れ速度は,静脈収縮,動脈の流れの増加,血管拡張薬によって影響を受けます. 熱は静脈の流れ速度を増加させ,寒さは減速させ,熱の熱を暗示する.
科学分野:
- 血管生理学 血管生理学
- ヘモダイナミクス (血動力学)
背景:
- 静脈の流れ速度に影響を与える要因を理解することは,血管疾患の管理に不可欠です.
- 静脈血栓症の現在の治療法は,静脈血動力学にさまざまな影響を及ぼします.
研究 の 目的:
- 動脈の血流量,静脈の体積,静脈の流動速度との関係を調査する.
- 静脈の流れ速度に対する様々な治療法と血管拡張薬の影響を評価する.
主な方法:
- 測定には,静脈閉塞プレシスモグラフィーを用いて,総子牛流量と静脈体積が含まれていました.
- 静脈流の軸速度は,131-I アルブミンの通過時間によって決定された.
- 薬剤 (エピネフリン,イソプロテレノール,アンジオテンシン,ニリドリン) と物理的刺激 (熱,寒さ) を適用した.
主要な成果:
- エピネフリンは静脈収縮を誘発し,静脈の流れ速度を増加させた.
- 局所的な熱は動脈の流れと静脈の流れの速度を増加させ,局所的な寒さは両方を減少させました.
- 静脈内投与のニリドリンは静脈の流れ速度を増加させたが,経口投与はそうしなかった. ヘパリンは効果がなかった.
結論:
- 静脈の流れ速度は,静脈収縮,動脈の流れの大幅な増加 (例えば,局所的な熱),および親腸血管拡張薬によって大幅に増加することができます.
- 発見は,静脈血栓症の予防と治療において,熱を適用することを支持しているが,寒さを適用しない.
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