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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.