Table 2: Comparison of postoperatively measured biochemical parameters, incidence of postoperative atrial fibrillation (POAF), and evaluation of basic ECG variables during sinus rhythm.

 

CONTROL (N=48)

RIPC (N=49)

 

Pre-Op

Post-Op

Pre-Op

Post-Op

K+ (mmol/L)

4.4±0.5

4.5±0.4

4.4±0.6

4.3±0.5

Creatinine (mg/dL)

1.107±0.2

1.148±0.3

1.059±0.3

1.078±0.3

Urea (mg/dL)

45±18

47±24

41±14

38±20

CRP (mg/dL)         

0.46±0.3

1.2±0.4***

0.33±0.2

0.8±0.1***

POAF (%)

18 patients (37.5%)

12 patients (24.5%)

PWD (ms)

83±12

86±19

82±13

75±11**

P-Q (ms)

150±28

150±37

149±24

150±26

QRS (ms)

104±22

107±25

86±17

87±18

QT (ms)

396±35

392±42

383±46

362±28****

QTc (ms)

405±42

430±52****

392±41

398±32

Tp-Te (ng/L)

77±14

80±18

74±14

72±14

Values are expressed in ms (mean±SD). *P<0.05, **P<0.01, ***P<0.001 postoperative (post-op) vs preoperative (pre-op) within the control or RIPC group. N= number of patients