The Comparison of Hemodynamic Effects of Concomitant Use of Intra-Aortic Balloon Pumping and Veno-Arterial Bypass with Atria-Arterial Bypass
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概要
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Atrio-Arterial Bypass (AAB) and concomitant use of Intra-Aortic Balloon Pumping (IABP) and Veno-Arterial Bypass (VAB) were performed, using 7 dogs with induced cardiogenic shock. AAB was established by draining blood from the left atrium and subsequently returning this blood to the carotid artery. VAB was also accomplished by draining blood from the right atrium and then returning this blood to the femoral artery. And bypass flow rates were set at approximately one third of the baseline cardiac output.Evaluation of hemodynamic effects of concomitant use of IABP and VAB was carried out, compared with AAB.The following findings were obtained.1) In concomitant use, the left ventricular afterload was decreased to lower level (mSPr and TTI) and the total perfusion flow was increased to higher level than in AAB.2) In AAB the left ventricular preload (mLAP) decreased to lower level than in concomitant use.3) In concomitant use and AAB, the left ventricular stroke work decreased to the same level.
- International Heart Journal刊行会の論文
著者
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Ueda Keisuke
Department Of Biological Sciences Graduate School Of Science Osaka University
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Omoto Ryozo
Department Of Surgery Saitama Medical School
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YOKOTE YUJI
Department of Pediatric Cardiology and Cardiovascular Surgery, Saitama Heart Institute, Saitama Medi
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Hatano Takashi
Departments Of Urology Jikei University School Of Medicine
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KENMOKU Kyoichi
Division of Medical Engineering, Mitsui Memorial Hospital
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SUZUKI Kiyoshi
Medical Engineering Service, Mitsui Memorial Hospital
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HATANO Takashi
Department of Surgery, Saitama Medical School
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