Characteristics | Patient 1 | Patient 2 |
Demographics | ||
Age | 58 | 51 |
Sex | m | m |
α Gal activity and genetic | ||
α Gal (µmol/L/hour)* | 0.7 | 1.6 |
Lyso Gb3 (ng/mL)† | 9.8 | 1.2 |
Mutation | c.644A>G p. N215S | Arg118Cys |
Medical history and symptoms | ||
Familial history of HCM | 0 | 0 |
Hypertension | 0 | 1 |
Stroke | 0 | 0 |
Chronic renal failure | 0 | 0 |
Angiokeratoma | 0 | 0 |
Acroparesthesia | 0 | 0 |
Cornea opacities | 0 | 0 |
Angor | 1 | 0 |
Arrhythmia | 0 | 0 |
Pacemaker | 0 | 0 |
Echocardiography | ||
Wall thickness | 22 | 21 |
Binary endocardium | 0 | 0 |
LVOTO | 0 | 1 |
Valvulopathy | AR | RMN |
RV Hypertrophy | 0 | 0 |
RMN | ||
T1 mapping (ms) | 730 | 850 |
LGE fibrosis | Absent | Absent |
* Reference value≥1.8 µmol/L/hour.
† Reference value≤1.8 ng/mL.
α Gal, α galactosidase A activity; HCM, hypertrophic cardiomyopathy; LGE, late gadolinium enhancement; LVOTO, left ventricular outflow tract obstruction; Lyso Gb3, Lyso globotriaosylceramide; RMN, resonance magnetic nuclear; RV, right ventricular.