The Carpentier-Edwards Perimount Magna mitral valve bioprosthesis: intermediate-term efficacy and durability

Table 5 Pre- and postoperative echocardiography findings (N = 70)^a

Left ventricular EF^b
Preoperative, %	54.8 % ± 1.25 %
Postoperative, %	52.3 % ± 1.67 %
Difference, %	−2.50 % ± 1.57 %
P	0.1160
RVSP^c
Preoperative, mmHg	50.1 ± 3.23
Postoperative, mmHg	39.8 ± 2.18
Matched-pair difference, mmHg	−10.3 ± 3.23
P	0.0025
LA size^d
Preoperative, cm²	5.557 ± 0.560
Postoperative, cm²	4.641 ± 0.113
Matched-pair difference, cm²	−0.915 ± 0.558
P	0.1158
LVID^e
Preoperative, cm	4.705 ± 0.883
Postoperative, cm	4.598 ± 0.863
Matched-pair difference, cm	−0.107 ± 0.098
P	0.116

cm centimeters, EF ejection fraction, LA left atrial, LVID left ventricular internal diameter, mmHg millimeters of mercury, RVSP right ventricular systolic pressure
^aContinuous variables expressed as mean ± standard error of the mean (SE)
^bBoth pre- and postoperative data available for only 64 patients
^cBoth pre- and postoperative data available for only 49 patients
^dBoth pre- and postoperative data available for only 46 patients
^eBoth pre- and postoperative data available for only 58 patients

ISSN: 1749-8090