Table 1

Preoperative variables

No PPIPPIp Value
Values are mean (SD) or %.
ACE, angiotensin converting enzyme; AF, atrial fibrillation; CABG, coronary artery bypass graft; CHD, coronary heart disease; COPD, chronic obstructive pulmonary disease; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NYHA, New York Heart Association; PPI, permanent pacemaker implantation; PTCA, percutaneous transluminal coronary angioplasty.
Age (years)57.5 (14)65.7 (5.0)0.08
Age >7025%22%0.85
Male sex (%)61%67%0.98
Height (cm)172.3 (4.0)172.0 (2.0)0.96
Body mass index (kg/m2)26.2 (4.0)25.1 (2.0)0.82
Body surface area (m2)1.73 (0.20)1.66 (0.10)0.09
Previous MI (%)3%22%0.05
Anterior location of MI (%)54%56%0.82
Previous PTCA (%)0.4%0%0.79
Previous CABG (%)0.4%0%0.79
COPD (%)11%0%0.6
Hypertension (%)28%22%0.98
Diabetes (%)15%22%0.91
CHD (%)6%22%0.22
Aortic stenosis (%)40%22%0.45
Aortic regurgitation (%)28%67%0.03
Aortic stenosis + regurgitation (%)32%11%0.33
Associated valve disease (%)25%78%0.002
Calcified aortic annulus45%46%0.86
Other cardiac disease (%)16%33%0.37
LVEF (%)50.4 (13.0)45.6 (12.3)0.27
NYHA class2.44 (0.60)2.61 (0.50)0.45
Bioprosthesis (%)2.7%0%0.57
Left atrial enlargement (%)61%75%0.61
Pulmonary hypertension (%)7%37.5%0.01
Preoperative anaemia (%)2%25%0.02
Preoperative electrolytic disorders (%)2%12,5%0.40
Syncope (%)5%12%0.87
Premature ventricular beats (%)7%11%0.92
Preoperative paroxysmal AF (%)4%0%0.79
Atrioventricular conduction disorders (%)3%12%0.59
Intraventricular conduction disorders (%)21%0%0.26
Preoperative calcium antagonist (%)7%0%0.88
Preoperative β blockers (%)4%0%0.79
Preoperative digitalis (%)42%88%0.03
Preoperative amiodarone (%)7%0%0.88
Preoperative ACE inhibitor (%)41%75%0.09
Preoperative nitrates (%)21%12%0.81