fistulas

1.Objective To investigate the clinical effect of r ad iocephalic arteriovenous internal fistulas created by anastomosis with two trape zoid and symmetrical lobulated flap.

目的探讨应对称二等分叶小血管吻合法施行头静脉桡动脉内瘘手术的临床效果。

2.In the other two cases of the coronary arteriovenous fistulas, it is defined as a direct precapillary anastomosis between a majar coronary artery and the pulmonary trunk or the left ventricle.

2冠动静脉瘘，显示冠动脉和肺动脉干与左室之间，存在毛细血管前吻合。