A Multidisciplinary Approach to Unplanned Conversion from Off-Pump to On-Pump Beating Heart Coronary Artery Revascularization in Patients with Compromised Left Ventricular Function

Table 1

Baseline and intraoperative risk factors.

Variable	OPCAB	ONCAB/BH	value
Patient number	171	45
Age (years)	64.2 ± 8	63.3 ± 8	0.514
Males	143 (84)	35 (78)	0.356
EuroSCORE II	1.7 ± 1.2	3.9 ± 1.8	0.000
NYHA class III/IV	113 (66)	41 (91)	0.001
LVEF (%)	34.8 ± 6	28.8 ± 8	0.000
Hypertension	87 (51)	22 (49)	0.768
Diabetes mellitus	60 (35)	19 (42)	0.396
Peripheral vascular disease	14 (8)	7 (15)	0.169
Cerebral vascular disease	5 (3)	6 (13)	0.006
Renal dysfunction	17 (10)	14 (31)	0.001
COPD	56 (33)	16 (35)	0.761
Acute presentation	3 (1.7)	18 (41)	0.000

Data are expressed as mean (±SD) or as counts (percentage).
OPCAB: off-pump coronary artery bypass grafting; ONCAB/BH: on-pump—beating heart coronary artery bypass grafting; EuroSCORE II: European System for Cardiac Operative Risk Evaluation II; NYHA: New York Heart Association; LVEF: left ventricular ejection fraction; COPD: chronic obstructive pulmonary disease; ONCABG/BH: on-pump coronary artery bypass grafting/beating heart.