Table 2 MV pathologies and echocardiographic parameters
From: Long-term outcome after mitral valve replacement using biological versus mechanical valves
Total N = 324 | Biological MVR N = 265 | Mechanical MVR N = 59 | p-value | |
|---|---|---|---|---|
MV pathologies | 0.712 | |||
Functional, % | 13/324 (4.0) | 10/265 (3.8) | 3/59 (5.1) | |
Degenerative, % | 311/324 (96.0) | 255/265 (96.2) | 56/59 (94.9) | |
Acute endocarditis, % | 47/324 (14.5) | 37/265 (14.0) | 10/59 (16.9) | 0.556 |
MV stenosis, % | 93/324 (28.7) | 71/265 (26.8) | 22/59 (37.3) | 0.107 |
Annulus dilatation, % | 231/324 (71.3) | 189/265 (71.3) | 42/59 (71.2) | 0.984 |
Annulus calcification, % | 91/324 (28.1) | 72/265 (27.2) | 19/59 (32.2) | 0.437 |
AML prolapse, % | 78/324 (24.1) | 69/265 (23.0) | 17/59 (28.8) | 0.346 |
AML flail, % | 35/324 (10.8) | 27/265 (10.2) | 8/59 (13.6) | 0.395 |
PML prolapse, % | 119/324 (36.7) | 99/265 (37.4) | 20/59 (33.9) | 0.618 |
PML flail, % | 83/324 (25.6) | 72/265 (27.2) | 11/59 (18.6) | 0.175 |
Chordae elongation, % | 54/324 (16.7) | 42/265 (15.8) | 12/59 (20.3) | 0.403 |
Restrictive leaflet, % | 157/324 (48.5) | 126/265 (47.5) | 31/59 (52.5) | 0.487 |
MV insuff. Grade ≥ IIa, % | 313/324 (96.6) | 260/265 (98.1) | 53/59 (89.8) | 0.006 |
Echocardiographic parameters | ||||
LVEF, % | 56.0 [50.0–60.0] [324] | 58.0 [50.0–60.0] [265] | 55.0 [48.3–60.0] [59] | 0.292 |
LVEDD (mm) | 54.0 [49.0–59.0] [214] | 54.0 [49.0–59.0] [200] | 54.0 [50.0–57.0] [49] | 0.950 |
LVESD (mm) | 35.0 [31.0–40.5] [237] | 35.0 [31.0–41.0] [191] | 35.0 [32.0–40.0] [46] | 0.444 |
Left atrium (mm) | 55.0 ± 10.5 [251] | 54.5 ± 10.2 [203] | 57.2 ± 11.9 [48] | 0.107 |
Right atrium (mm) | 45.0 [38.0–53.0] [251] | 45.0 [38.0–53.0] [203] | 48.5 [39.3–54.5] [48] | 0.318 |
Mitral opening (mm) | 3.4 ± 1.8 [93] | 3.4 ± 1.6 [79] | 3.3 ± 2.6 [14] | 0.966 |
PISA radius (mm) | 1.0 [1.0–1.2] [56] | 1.0 [1.0–1.2] [46] | 1.0 [0.9–1.1] [10] | 0.426 |
Vena contracta (mm) | 6.0 [5.0–7.0] [90] | 6.0 [4.0–7.0] [78] | 6.0 [5.0–7.0] [12] | 0.717 |