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Table 2 Patient´s demographics and perioperative data

From: Less invasive coronary artery revascularization with a minimized extracorporeal circulation system: preliminary results of a comparative study with off-pump-procedures

 

Mini-HLM

OPCAB

Total

p-value

Age (yrs)

65,8 ± 11,2

65,2 ± 10,4

65,6 ± 10,8

0,79

Female

9 (12,2%)

13 (28,3%)

22 (18,3%)

0,032

Height (cm)

173,5 ± 7,8

172,3 ± 8,2

173 ± 7,9

0,448

Weight (kg)

84,5 ± 13

82,8 ± 13,6

83,9 ± 13,1

0,506

Euroscore

3,2 ± 2,3

3,2 ± 2,3

3,2 ± 2,3

0,938

Vessel disease

2,7 ± 0,5

2,13 ± 0,9

2,1 ± 0,9

0,65

Preoperative creatinine (mg/dl)

0,9 ± 0,2

0,9 ± 0,3

0,9 ± 0,2

0,879

Preoperative haemoglobin (g/dl)

12,6 ± 1,7

12,4 ± 1,7

12,5 ± 1,7

0,557

Preoperative CK (U/l)

75,1 ± 59,2

79,5 ± 46,8

76,8 ± 54,6

0,675

Preoperative CK-MB (U/l)

9,5 ± 4,1

9,9 ± 5,2

9,7 ± 4,6

0,546

Preoperative Troponin T (ug/l)

0,02 ± 0,06

0,03 ± 0,1

0,02 ± 0,08

0,62

Preoperative haematocrit (%)

36,8 ± 6,2

36,3 ± 4,5

36,6 ± 5,6

0,658

Preoperative EF (%)

61,9 ± 14,7

57,8 ± 15,3

60,7 ± 14,9

0,271

Preoperative LVEDP (mmHg)

15,2 ± 7,7

13,6 ± 10,8

14,6 ± 8,8

0,498

Diabetes mellitus

13 (17,6%)

10 (21,7%)

23 (19,2%)

0,636

Arterial hypertonia

58 (78,4%)

32 (69,6%)

90 (75,0%)

0,298

Hyperlipoproteinemia

57 (77,0%)

32 (69,6%)

89 (74,2%)

0,396

Previous stent implantation

14 (18,9%)

12 (26,1%)

26 (21,7%)

0,371

Previous statin therapy

63 (85,1%)

36 (78,3%)

99 (82,5%)

0,38

Preoperative atrial fibrillation

4 (5,4%)

0

4 (3,3%)

0,297

History of acute myocardial infarction

29 (39,2%)

12 (26,1%)

41 (34,2%)

0,168

Prior bypass surgery

0

0

0

 

Previous lysis of intravascular thrombus

0

0

0

 

Preoperative hemodynamic instability

0

0

0

 
  1. CK creatine kinase, CK-MB creatine kinase isoenzyme, EF ejection fraction, LVEDP left ventricular end-diastolic pressure.