Characteristics and Surgical Results of Patients with Hypertrophic Obstructive Cardiomyopathy without Intrinsic Mitral Valve Diseases Undergoing Mitral Subvalvular Procedures during Myectomy
Table 3
Perioperative outcomes.
Variables
Combined group (n = 50)
Alone group (n = 131)
Intraoperative
Immediate repeat surgery
3 (6.0%)
7 (5.3%)
>0.999
Inadequate septal myectomy
1
4
—
Left ventricular free wall rupture
1
2
—
Aortic valve perforation
1
0
—
Septal perforation
0
1
—
TEE data
Maximum gradients (mmHg)
8.1 ± 5.2
11.9 ± 7.0
<0.001
Septal thickness (mm)
13.7 ± 1.7
14.3 ± 2.6
0.132
SAM
0
17 (13.0%)
0.007
MR
1.0 (0-1.0)
1.0 (1.0–1.0)
0.086
Postoperative
Surgical death
0
1 (0.8%)
0.536
Complete atrioventricular block
2 (4.0%)
4 (3.1%)
0.669
Previous right bundle branch block
1
2
New-onset atrial fibrillation
2 (4.0%)
3 (1.7%)
0.617
Complete left bundle branch block
22 (44.0%)
53 (40.5%)
0.665
Cerebrovascular adverse events
1 (2.0%)
2 (1.5%)
>0.999
Prolonged ventilation (>72h)
1 (2.0%)
3 (1.7%)
>0.999
Postoperative hospital stay (d)
6 (5-6)
6 (5-6)
0.412
Values are expressed as n (percent), mean ± standard deviation or median and interquartile range. TEE, transesophageal echocardiography.
