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《Journal of Fujian Medical University》 2006-03
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The Improvement of Orthotopic Left Pulmonary Allograft Model in Rats

He Wenxin~ 1 , Lin Ruobai~ 1 , Kang Mingqiang~ 1 , Zhu Yong~ 1 , Qian Liling~ 2 , Sun Bo~ 2 1.Department of Thoracic Surgery, The Affiliated Union Hospital, Fujian Medical University, Fuzhou 350001,China2.Laboratory of Pediatric Respiratory and Critical Care Medicine, Children's Hospital, Fudan University, Shanghai 200032, China  
Objective To establish rat orthotopic left lung allograft transplantation model by the improved "cuff-like" vessel and bronchial anastomosis technique. Methods Thirty-six male Sprague-Dawley rats were randomly allocated to donors and recipients. The donor right hilus was clipped for 5 mins(clipping test), then the blood samples were collected from carotid artery for arterial blood gas analysis as baseline. The graft's oxygenation function was also evaluated after 2-hour reperfusion. Dynamic compliances(Cdyn), resistances of airway(Raw) and peak inspiratory pressures(PIP) were monitored before the operation and after 2-hour reperfusion. Results After 2-hour reperfusion, Cdyn, Raw and PIP were worse than related baselines, but there weren't significant differences. The PaO_ 2 , OI, Qs/Qt, and A-aO_ 2 were significantly worse than related baseline values(P0.01). This improved model makes the operation easier than ever. Conclusion This simpler model may be used to study lung transplantation.
【CateGory Index】: R-332
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