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Pubmed for Handhelds

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  • Title: Portable coronary active perfusion system for off-pump coronary artery bypass grafting.
    Author: Koshida Y, Watanabe G, Yasuda T, Tomita S, Kadoya S, Kanamori T.
    Journal: Ann Thorac Surg; 2006 Feb; 81(2):706-10. PubMed ID: 16427878.
    Abstract:
    PURPOSE: The present study was performed to develop a new perfusion system for off-pump coronary artery bypass grafting and to examine whether even a simple coronary perfusion system can maintain adequate blood flow delivery during anastomosis. DESCRIPTION: The experiment was performed in two stages. In procedure 1, 3 pigs with left anterior descending artery occlusion were used to evaluate optimal perfusion flow rate and coronary artery internal pressure, and to evaluate the safety area of perfusion. In procedure 2, 6 pigs were used to validate the new portable coronary perfusion system. EVALUATION: The optimal blood flow in the portable coronary active perfusion system was less than approximately 40 mL/min. The small, easy to use pump system (ie, the portable coronary active perfusion system) may prevent hemodynamic deterioration and ventricular arrhythmia during coronary occlusion, resulting in better maintenance of left ventricular function. CONCLUSIONS: Even a simple pump system can achieve effective perfusion for safe anastomosis. Further studies are required to allow the clinical use of this system.
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