表3.

MICS CABG组患者冠脉造影吻合口通畅情况

The patency of coronary angiography anastomosis in MICS CABG group  n(%)

Bypass grafts	n	O	B	A	A+B
Fitzgibbon graft patency classification, A means the graft vessel is completely unobstructed, B means the graft vessel stenosis (graft vessel stenosis ≥50% or caliber < 50% coronary artery), O means the graft vessel is completely occluded. LAD, left anterior descending coronary artery；D, diagonal branch; RAMUS, ramus medianus；OM, Rama marginal obtusa；LCX, left circumflex artery; PL, posterior branch of left ventricle; PDA, posterior descending artery.
LAD	85	1 (1.18)	2 (2.35)	82 (96.5)	84 (98.8)
D	26	1 (3.85)	0 (0.00)	25 (96.2)	25 (96.2)
RAMUS	4	0 (0.00)	0 (0.00)	4 (100.0)	4 (100.0)
OM, LCX	56	1 (1.79)	4 (7.14)	51 (91.1)	55 (98.2)
PL, PDA	29	4 (13.79)	0 (0.00)	25 (86.2)	25 (86.2)
Total	200	7 (3.50)	6 (3.0)	187 (93.5)	193 (96.5)