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Table 4 Analysis in the group of patients with and without left bundle branch block

From: Temporary epicardial left ventricular and biventricular pacing improves cardiac output after cardiopulmonary bypass

Hemodynamic parameters

Basal

With LBBB (n = 9)

  

RA-LVP

RA-RVP

HR (bpm)

74,33 ± 7,48

84,22 ± 3,23**

84,22 ± 3,23**

SAP (mmHg)

99,11 ± 7,38

109,22 ± 15,25*

89,11 ± 12,10**

DAP (mmHg)

51,56 ± 7,38

55,44 ± 9,04*

47,33 ± 5,02**

MAP (mmHg)

67,3 ± 5,2

73,3 ± 6,1*

61,3 ± 4,5*

CO (L/min)

5,56 ± 1,81

5,97 ± 2,09**

5, 23 ± 1,90*

Sv02 (%)

68,22 ± 7,22

69,00 ± 7,54

67,00 ± 5,98

  

Without LBBB (n = 41)

HR (bpm)

72,46 ± 8,87

83,63 ± 4,44**

83,63 ± 4,72**

SAP (mmHg)

109,71 ± 15,88

111,68 ± 18,90*

100,08 ± 14,96**

DAP (mmHg)

52,88 ± 7,70

55,51 ± 8,27*

50,54 ± 8,57**

MAP (mmHg)

71,8 ± 4,3

74,2 ± 4,8

67,0 ± 5**

CO (L/min)

5,25 ± 1,49

5,54 ± 1,67*

4,97 ± 1,55*

Sv02 (%)

70,34 ± 7,11

65,95 ± 8,19

68,56 ± 8,19

  1. RA-LVP: Right atrium-left ventricle. RA-RVP: Right atrium-right ventricle. HR (bpm): Heart rate beats per minute. SAP (mmHg): Systolic arterial pressure. DAP (mmHg): Diastolic arterial pressure. MAP (mmHg): Mean arterial pressure. CO (L/min): Cardiac output. SvO2 (%): Mixed venous oxygen saturation. LBBB: Left bundle branch block. *p < 0.05;** p < 0.01.
  2. Data are expressed as mean ± SD.
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Journal of Cardiothoracic Surgery

ISSN: 1749-8090

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