Table 2 Clinical outcomes and echocardiographic results
Variables | Value |
|---|---|
Intraoperative | |
Repeat aortic cross-clamping | 9 (5.4%) |
Inadequate septal myectomy | 5 (3.0%) |
Iatrogenic free wall rupture | 2 (1.2%) |
Iatrogenic septal perforation | 1 (0.6%) |
Iatrogenic AV perforation | 1 (0.6%) |
TEE data | |
Maximum LVOT gradient (mmHg) | 10.8 ± 6.3 |
Interventricular septal thickness (mm) | 13.8 ± 2.1 |
SAM | 16 (9.5%) |
MR severity (median, IQR) | 1.0 (1.0–1.0) |
Moderate MR | 1 (0.6%) |
More than moderate MR | 0 |
Moderate or more aortic regurgitation | 0 |
In-hospital | |
Surgical death | 1 (0.6%) |
CAVB | 5 (3.0%) |
Right BBB prior to surgery | 3 |
New-onset AF | 4 (2.4%) |
Complete left BBB | 69 (41.1%) |
Cerebrovascular adverse events | 2 (1.2%) |
Prolonged ventilation (> 72 h) | 3 (1.8%) |
Redo for bleeding | 1 (0.6%) |
Postoperative hospital stay (median, IQR; days) | 6 (5–6) |
Follow-up | |
Number of patients | 161 (95.8%) |
Duration of follow-up (median, IQR; months) | 6.0 (6.0–13.0) |
Survival | 161 (100%) |
Reoperation | 0 |
NYHA class at the latest follow-up | |
I | 127 (78.9%) |
II | 34 (21.1%) |
TTE data at the latest follow-up | |
Maximum LVOT gradient (mmHg) | 11.5 ± 7.4 |
Residual obstruction | 3 (1.9%) |
Septal thickness (mm) | 14.0 ± 2.5 |
SAM | 9 (5.6%) |
Moderate MR | 2 (1.2%) |
Ventricular septal defect | 1 (0.6%) |