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 2

Postoperative risk factors, morbidity, and mortality.

Variable	OPCAB	ONCAB/BH	value
Patient number	171	45
APACHE II	12.9 ± 4	16.8 ± 6	0.001
SOFA score	4.1 ± 2.5	5.3 ± 3.6	0.041
LCOS	25 (15)	14 (31)	0.013
Use of inotropes	66 (38)	26 (58)	0.025
Use IABP	5 (3)	6 (13)	0.017
AMI	3 (2.3)	5 (11)	0.025
Arrythmias	49 (29)	19 (42)	0.115
AKI	8 (5)	7 (15)	0.019
Haemodialysis support	2 (1.5)	1 (2)	0.564
Respiratory complications	52 (30)	12 (28)	0.714
CNS dysfunction	12 (7)	5 (11)	0.482
Stroke	0	1 (2.2)	0.339
Reoperation	1 (0.7)	4 (9)	0.012
Mechanical ventilation (days)	1.02 ± 2	2.7 ± 6.4	0.045
ICU stay (days)	2.4 ± 4.4	5.1 ± 9.3	0.001
30-day mortality	5 (2.9)	3 (6.6)	0.224

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; APACHE II: Acute Physiology and Chronic Health Evaluation II; SOFA: System Organ Failure Assessment; LCOS: low cardiac output syndrome; IABP: intra-aortic balloon pump; AMI: acute myocardial infarction; AKI: acute kidney injury; CNS: central nervous system; ICU: intensive care unit.