AIM To study the degradation behavior of acellular porcine aortavalve in vitro.
目的研究猪主动脉瓣膜去细胞基质的体外降解过程。
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Objective To explore the clinical management effect of anaesthesia and extracorporeal circulation in valve replacement of heart aorta.
目的探讨主动脉瓣膜置换术的麻醉及体外循环管理效果。
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Results 12 patients of congenital aortavalve stenosis were stenosis of double-valve pattern, dilatation of ascending aorta in 8 cases, ascending aorta in 4 cases were natural.