Remote ischemic preconditioning and incidence of postoperative atrial fibrillation

Figures & data

Figure 1. Trial profile. RIPC, remote ischemic preconditioning.

Figure 2. Onset of postoperative atrial fibrillation (POAF).

Table I. Patient characteristics.

	RIPC (n = 45)	Control (n = 47)	P-value
Age (years)	64.2 ± 7.8	64.4 ± 8.6	0.885
Female (%)	6.7	8.5	1.000
BMI (kg/m²)	28.3 ± 4.5	27.4 ±3.3	0.289
History of smoking (%)	64.4	70.2	0.555
Diabetes mellitus (%)	17.8	27.7	0.259
Ustable angina (%)	8.9	4.3	0.430
Hypertension (%)	57.8	53.2	0.658
Peripheral vascular disease (%)	2.2	10.6	0.204
COPD (%)	11.1	6.4	0.481
Previous stroke (%)	8.9	8.5	1.000
Previous AMI (%)	44.4	38.3	0.549
Previous PCI (%)	15.6	19.1	0.649
EuroSCORE	1.5 ± 1.2	1.8 ± 2.2	0.437
Ejection fraction (%)	52.0 ± 9.9	53.3 ±10.6	0.541

Data are presented as percentages for discontinuous variables and as means ± standard deviation (SD) for continuous variables.

BMI, body mass index; COPD, chronic obstructive pulmonary disease; AMI, acute myocardial infarction; PCI, percutaneous coronary intervention; EuroSCORE, European System for Cardiac Operative Risk Evaluation; ACE, angiotensin converting enzyme; ARB, angiotensin receptor blocker.

Table II. Per- and postoperative data.

	RIPC (n = 45)	Control (n = 47)	P-value
Peroperative data
CPB time (min)	79.8 ± 21.3	71.8 ± 21.7	0.096
Cross-clamp time (min)	49.4 ± 16.3	44.3 ± 15.2	0.138
Distal anastomoses	3.7 ± 0.9	3.5 ± 1.0	0.320
Postoperative data
POAF (%)	37.8	21.3	0.082
Reoperation for bleeding (%)	0.0	4.3	0.495
Length of stay (days)	7.9 ± 3.3	7.0 ± 2.1	0.174
Neurological event during hospital stay (%)	2.2	2.2	1.000
30day mortality (%)	0.0	0.0	1.000

Data are presented as percentages for discontinuous variables and as means ±standard deviation for continuous variables.

CPB, cardiopulmonary bypass; POAF, Postoperative atrial fibrillation