JP6281735B2 - 急性心不全治療薬の評価方法、及び、急性心不全モデルの作製方法 - Google Patents
急性心不全治療薬の評価方法、及び、急性心不全モデルの作製方法 Download PDFInfo
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Description
、大量に投与した場合にも生体内の電解質バランスが維持されることから、乳酸リンゲル液、又は、酢酸リンゲル液が好ましい。
本実施例においては、小動物として、2.5kgから3.5kgの日本白色種雄性ウサギを用いた。まず、ウサギに麻酔を行った。具体的には、ウサギの耳静脈内に麻酔薬であるペントバルビタール(30mg/kg)を投与した後、気管に人工呼吸用のカニューレを挿入し、人工呼吸器により換気量5mL/kgから9mL/kg、30回/分から50回/分にて呼吸管理を行った。人工呼吸器には吸入麻酔器を連結させ、吸入麻酔薬であるセボフルランを含む空気ガス(2.0%から2.5%)を換気させ吸入麻酔を行った。
上記実施例と同様に、小動物として2.5kgから3.5kgの日本白色種雄性ウサギを用い、ウサギに麻酔を行った。次いで、麻酔したウサギの左右大腿静脈に投与用カニューレをそれぞれ挿入した。続いて、左大腿動脈には動脈血圧測定用カニューレを挿入し、SBPを測定した。更に、左心室内圧測定用カテーテルを右頚動脈より挿入して左心室内に留置することで、左心室内圧及びLVEDPを測定した。データはペンレコーダーにより記録し、各指標はノギスを用いて計測した値から算出した。
Claims (2)
- ウサギに対し、乳酸リンゲル液又は酢酸リンゲル液に糖質を加えた輸液と、アドレナリンα1受容体刺激薬としてメトキサミンと、アンジオテンシンIIとを投与し、輸液の投与量は0.3mL/kg/分から0.8mL/kg/分で90分間から210分間とすることにより肺水腫の発症を伴った急性心不全様の血行動態を達成した急性心不全モデルに、治療薬を投与して左室拡張末期圧及び乾湿肺重量比を測定し、治療薬を投与していない急性心不全モデルの左室拡張末期圧及び乾湿肺重量比と比較することを特徴とする急性心不全治療薬の評価方法。
- ウサギに対し、乳酸リンゲル液又は酢酸リンゲル液に糖質を加えた輸液と、アドレナリンα1受容体刺激薬としてメトキサミンと、アンジオテンシンIIとを投与し、輸液の投与量は0.3mL/kg/分から0.8mL/kg/分で90分間から210分間とすることにより肺水腫の発症を伴った急性心不全様の血行動態を達成させたことを特徴とする急性心不全モデルの作製方法。
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| JP2004231557A (ja) * | 2003-01-30 | 2004-08-19 | Katsuyoshi Hori | エピネフリン含有抗腫瘍剤 |
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| US20080045920A1 (en) * | 2004-04-28 | 2008-02-21 | Noboru Kaneko | Method Of Constructing Animal Model Suffereing From Left Ventricular Diastolic Disorder For Examining Heart Failure And Method Of Examining Remedy For Heart Failure Caused By Left Ventricular Diastolic Failure With The Use Of The Animal Model |
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| JP2013067605A (ja) * | 2011-07-20 | 2013-04-18 | Univ Of Tokyo | 心不全抑制剤 |
| CA2842906A1 (en) * | 2011-08-02 | 2013-02-07 | Ono Pharmaceutical Co., Ltd. | Left ventricular diastolic function improving agent |
| JP2013255488A (ja) * | 2012-05-18 | 2013-12-26 | Saitama Medical Univ | 拡張期心不全非ヒトモデル動物及びその製造方法、並びに、拡張期心不全予防乃至症状改善活性を有する物質のスクリーニング方法 |
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