Minimally Invasive Mitral Valve Repair with Artificial Chordae: Insights from a 6-Year Single-Center Study
Table 3
Perioperative features.
All repair (N = 90)
Simple repair (N = 41)
Intermediate-to-complex repair (N = 49)
value
Etiology of mitral valve
0.791
FED
72 (80.0)
34 (82.9)
38 (77.6)
Barlow
16 (17.8)
6 (14.6)
10 (20.4)
Forme fruste
2 (2.2)
1 (2.4)
1 (2.0)
No chordae per patient
2 [1.3; 3.0]
2 [1.0; 3.0]
2 [2.0; 3.0]
0.688
Type of artificial chordae
0.472
Single
30 (33.3)
15 (36.6)
15 (30.6)
Loop
50 (55.6)
22 (53.7)
28 (57.1)
Single and loop
10 (11.1)
4 (9.8)
6 (12.2)
Annuloplasty ring
0.235
26 mm
2 (2.2)
0 (0.0)
2 (4.1)
28 mm
21 (23.3)
12 (29.3)
9 (18.4)
30 mm
27 (30.0)
13 (31.7)
14 (28.6)
32 mm
24 (26.7)
7 (17.1)
17 (34.7)
34 mm
12 (13.3)
6 (14.6)
6 (12.2)
36 mm
4 (4.4)
3 (7.3)
1 (2.0)
Edge-to-edge repair
6 (6.7)
1 (2.4)
5 (10.2)
0.214
Commissuroplasty
17 (18.9)
4 (9.8)
13 (26.5)
0.059
Concomitant procedures
9 (10.0)
4 (9.8)
5 (10.2)
0.286
ASD closure
1 (11.1)
0 (0.0)
1 (20.0)
Maze procedure
6 (66.7)
2 (50.0)
4 (80.0)
Tricuspid repair
2 (22.2)
0 (0.0)
2 (50.0)
CPB time (mins)
139.0 [120.5; 158.5]
137.0 [123.0; 159.0]
136.0 [120.0; 158.0]
0.709
ACC time (mins)
90.0 [80.0; 104.0]
90.0 [77.0; 101.0]
89.0 [80.0; 100.0]
0.874
SAM
7 (7.8)
6 (14.6)
1 (2.0)
0.044
Data are presented as mean ± standard deviation, median (interquartile range), or n (%). ACC, aortic cross-clamp; ASD, atrial septal defect; CPB, cardiopulmonary bypass; FED, fibroelastic deficiency; SAM, systolic anterior motion.