Cardiology Research and Practice

Clinical Study

Heart Rate Variability after Off-Pump versus On-Pump Coronary Artery Bypass Graft Surgery

Table 1

Differences in basic characteristics: on-pump versus off-pump CABG patients.
Characteristics of patientsOn-pump CABG ( 𝑁 = 1 4 0 )Off-pump CABG ( 𝑁 = 6 6 ) 𝑃
Age (years) 6 1 ± 8 6 0 ± 8 NS
Gender (M/F) 1 1 3 / 2 7 5 2 / 1 4 NS
BMI (kg/m2) 2 7 ± 2 2 7 . 7 ± 3 NS
Former smokers 5 8 ( 4 1 % ) 2 5 ( 3 8 % ) NS
Smokers 5 ( 4 % ) 2 ( 3 % ) NS
Arterial hypertension 9 9 ( 7 1 % ) 4 9 ( 7 4 % ) NS
Dyslipidemia 1 1 8 ( 8 4 % ) 5 3 ( 8 0 % ) NS
Diabetes mellitus 4 0 ( 2 9 % ) 2 0 ( 3 0 % ) NS
Previous myocardial infarction 8 2 ( 5 9 % ) 3 9 ( 5 9 % ) NS
EF before operation 5 5 ± 9 5 8 ± 8 0.01
Total complications after operation 6 8 ( 4 9 % ) 2 9 ( 4 4 % ) NS
 (a) Paroxismal atrial fibrillation 2 5 ( 1 8 % ) 1 0 ( 1 5 % ) NS
  (b) Infection 2 4 ( 1 7 % ) 7 ( 1 1 % ) NS
  (c) Acute renal insufficiency 8 ( 6 % ) 3 ( 5 % ) NS
  (d) Pleural effusion 3 4 ( 2 4 % ) 1 1 ( 1 7 % ) NS
  (e) Stroke 4 ( 3 % ) 2 ( 3 % ) NS
  (f) Perioperative myocardial infarction 6 ( 4 % ) 3 ( 5 % ) NS