Criteria for determining the need for surgical treatment of tricuspid regurgitation during mitral valve replacement

Table 3 Pre- and postoperative cardiac data for the De Vega and Kay groups

Variable	DeVega group (n = 27)	Kay group (n = 12)	P
Right atrium inner diameter (mm)
Preoperative	57.33 ± 3.08	56.92 ± 3.70	0.716
2-years postoperative	49.11 ± 2.99†	47.58 ± 3.73†	0.737
Right ventricle inner diameter (mm)
Preoperative	54.96 ± 3.01	54.92 ± 3.70	0.967
2-years postoperative	46.07 ± 3.40†	46.42 ± 3.80†	0.781
Interventricular septum thickness (mm)
Preoperative	8.93 ± 1.30	8.33 ± 1.16	0.183
2-years postoperative	8.85 ± 1.06	8.75 ± 1.14	0.788
Pulmonary artery pressure (mmHg)
Preoperative	57.41 ± 2.19	59.08 ± 3.97	0.191
2-years postoperative	31.33 ± 3.26†	31.75 ± 1.55†	0.591
Ejection fraction (%)
Preoperative	0.63 ± 0.11	0.62 ± 0.10	0.803
2-years postoperative	0.56 ± 0.10†	0.59 ± 0.09	0.452

Data are presented as mean ± SD.
† P < 0.05, statistically significant difference between preoperative and postoperative values (paired t-test).

ISSN: 1749-8090