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Table 1 Characteristics of the study groups

From: Acute changes of global and longitudinal right ventricular function: an exploratory analysis in patients undergoing open-chest mitral valve surgery, percutaneous mitral valve repair and off-pump coronary artery bypass grafting

  MVS group (n = 20) PMVR group (n = 23) OPCAB group (n = 25) p-value
Male, n 13 (65%) 13 (57%) 19 (76%) 0.21
Age, years 60 ± 20 74 ± 12 71 ± 9 0.03*
NYHA class II (I, III) III (III, VI) II (I, III) < 0.001***
EuroSCORE II, % 4.0 ± 7.2 13.5 ± 12.4 6.0 ± 9.4 < 0.01**
Type of surgery
 Replacement 7 (35%)  
 Repair 13 (65%)  
General anesthesia 20 (100%) 5 (22%) 25 (100%) < 0.001***
Nr. of clips applied, n
 1 12 (52%)  
 2 10 (44%)  
 3 1 (4%)  
reduced LVEF, n 2 (10%) 21 (91%) 13 (52%) < 0.001***
elevated PAPsys, n 5 (25%) 16 (70%) 2 (8%) < 0.001***
CAD, n 0 (0%) 19 (89%) 25 (100%) < 0.001***
RCA revascularization, n 16 (64%)  
RVEDV, ml 137 ± 37 168 ± 76 145 ± 49 0.24
RVESV, ml 91 ± 38 113 ± 58 89 ± 43 0.25
GFR < 50 ml/min, n 2 (10%) 7 (30%) 5 (20%) 0.25
CPB / procedure time, min 134 ± 32 106 ± 49 227 ± 53 < 0.001***
  1. CPB cardiopulmonary bypass, CHD coronary artery disease, GFR glomerular filtration rate, LVEF left ventricular ejection fraction (considered reduced if < 50% preoperatively), NYHA New York Heart Association, PAPsys systolic pulmonary artery pressure (considered increased if > 30 mmHg preoperatively), RCA right coronary artery, RVEDV right ventricular end-diastolic volume (measured intraoperatively before sternotomy / before mitral valve clipping), RVESV right ventricular end-systolic volume (measured intraoperatively before sternotomy / before mitral valve clipping)