基本的高血圧におけるニトレンディピンの全身的および地域的血動力学および体内効果
E Grossman1, S Oren, G E Garavaglia
1Department of Internal Medicine, Ochsner Clinic, New Orleans, Louisiana.
Circulation
|December 1, 1988
まとめ
ニートレンディピンは,心拍数を増やさず,周辺抵抗を軽減することによって,本質的な高血圧患者の血圧を効果的に低下させます. この治療はまた,心臓の機能を改善し,腎臓の血流を増大させます.
科学分野:
- 心臓病学 心臓病学
- 薬理学 薬理学とは
- ネフロロジーはネフロロジーを用います.
背景:
- エッセンシャル高血圧は,効果的な長期的な管理を必要とする一般的な心血管疾患です.
- 抗高血圧薬の詳細な血液動力学および心臓効果を理解することは,治療戦略を最適化するために不可欠です.
研究 の 目的:
- 主要高血圧の患者におけるニトレンディピンの長期の血動力学およびエコーカルディオグラフィの効果を評価する.
- 腎臓の血流と心臓の機能を含む全身的および地域的血液動力学に対するニートレンディピンの影響を調査する.
主な方法:
- 軽度から中等度のエッセンシャル高血圧の14人の患者を対象とした3ヶ月のオープンラベル研究.
- 血液動力学的パラメータ (血圧,全周回路抵抗指数,心筋出力,地域血流) と心声測定 (左心室質量指数,射出分数,分数繊維短縮) は,治療前後評価された.
主要な成果:
- ニトレンディピンは,心反射刺激なしで,全周抵抗指数 (p < 0.001) を減少させることで,シストリックおよびダイアストリック血圧 (p < 0.001) を有意に低下させた.
- 腎臓と前腕の血流が増加し,血管抵抗が低下し,球の濾過率が安定した.
- 左心室質量指数と壁の厚さは減少した (p = 0.003),シストリックとダイアストリックの両方の左心室機能の改善.
結論:
- ニートレンディピンは,心臓の構造と機能に有益な影響を及ぼし,外周血管抵抗を減少させることで,持続的な抗高血圧効果を提供します.
- この薬は腎臓と前腕の血流を増加させ,長期治療中に地域の輸血が改善されることを示唆しています.
- ニートレンディピンは,本質的な高血圧の管理のための安全で効果的な選択肢であり,血圧の低下以上の利点を提供しています.
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