Table 4.
Main clinical characteristics and results of the tests performed in patients with HCM
| Total, n = 10 | |
|---|---|
| Male sex, n (%) | 5 (50 %) |
| Age at exam (year) | 14.6 ± 3.6 |
| BSA | 1.3 ± 0.5 |
| Indications | |
| Exertional chest pain | 7 (70 %) |
| Exertional presyncope | 2 (20 %) |
| Exercise-induced fatigue | 1 (10 %) |
| Medication | 9 (90 %) |
| Beta blocker | 7 (77 %) |
| CCBs | 4 (44 %) |
| Termination due to muscular exhaustion, n (%) | 10 (100 %) |
| ECG abnormalities during stress, n (%) | 2 (20 %) |
| Arrhythmia, n (%) | 0 (0 %) |
| Symptoms | 1 (10 %) |
| Resting HR (bpm) | 74.1 ± 14.2 |
| Peak HR (bpm) | 134.3 ± 14.9 |
| LVOT gradient at rest, mmHg | 22.5 ± 11.2 |
| LVOT gradient at peak exercise, mmHg | 39.8 ± 30.5 |
| LVOT gradient at rest ≥30 mmHg, n (%) | 2 (20 %) |
| LVOT gradient ≥30 mmHg at peak exercise, n (%) | 5 (50 %) |
CCBs calcium channel blockers, LVOT left ventricle outflow tract