Skip to main content

Table 1 Preoperative Comorbidity and Risk Factors

From: Elective minimally invasive coronary artery bypass: Shunt or tournique occlusion? Assessment of a protective role of perioperative left anterior descending shunting on myocardial damage. A prospective randomized study

Randomization TO group, n = 18 ILS group, n = 17 p-value
Age*, years 62.9 ± 11.2 68.2 ± 9.2 0.14
Body mass index* 28.3 ± 3.9 29.8 ± 3.1 0.20
Female, n 4 (22.2) 2 (11.8) 0.66
Cerebrovascular disease, n 1 (5.6) 4 (23.5) 0.18
Diabetes mellitus, n 2 (11.1) 3 (17.6) 0.79
Previous myocardial infarction, n 6 (33.3) 4 (23.5) 0.71
Percutaneous coronary intervention, n 8 (44.4) 6 (35.3) 0.73
Peripheral vascular disease, n 1 (5.6) 0 (0) 1.00
History of unstable angina pectoris, n 5 (27.8) 2 (11.8) 0.40
Smoking, n 9 (50) 10 (58.8) 0.74
Atrial fibrillation, n 3 (16.7) 2 (11.8) 1.00
Left main stenosis, n 0 (0) 0 (0) 1.00
1-vessel disease, n 13 (72.2) 12 (70.6) 1.00
2-vessel disease, n 5 (27.8) 5 (29.4) 1.00
LAD stenosis    
50–70%, n 3 (16.7) 3 (17.6) 1.00
> 70%, n 15 (83.3) 14 (82.4) 1.00
Beta-blocker administration, n 16 (88.9) 12 (70.6) 0.23
Acetyl salicylic acid administration, n 1 (5.6) 2 (11.8) 0.60
Ejection fraction†, % 62; 60–65 65; 60–70 0.34
EuroSCORE† 2.08; 1.31–2.69 2.21; 1.33–2.69 0.99
Hypertension, n 14 (77.8) 14 (82.4) 1.00
Hyperlipidemia, n 13 (72.2) 10 (58.8) 0.49
Chronic obstructive pulmonary disease, n 0 (0) 0 (0) 1.00
Serum creatinin level*, mmol/L 80.6 ± 17.4 92.2 ± 16.5 0.051
  1. * Values are expressed as mean ± SD.
  2. † Values are expressed as median; 95%LCL-95%UCL.
  3. Values in parentheses are percentages.
  4. TO = tournique occlusion; LAD = left anterior descending; ILS = intraluminal-LAD shunt.
  5. EuroSCORE = the European system for cardiac operative risk evaluation; SD = standard deviation; LCL = lower confidence limit; UCL = upper confidence limit.