Background
Methods
Study population
Prepared apparatus
Standard ultrasound examination
3PE-QTVI examination
RT-3DE examination
2D-STI examination
Statistical analysis
Results
General information
HCM patients (N = 50) | Control group (N = 40) | p value | |
---|---|---|---|
Age(years) | 46.67 ± 11.09 | 43.93 ± 8.17 | 0.195 |
Gender | |||
Male | 30 (60%) | 24 (60%) | |
Female | 20 (40%) | 16 (40%) | |
HR(beats/min) | 70.51 ± 9.62 | 68.43 ± 11.95 | 0.362 |
BSA(m2) | 1.72 ± 0.15 | 1.70 ± 0.21 | 0.612 |
SBP(mmHg) | 124.63 ± 13.05 | 120.59 ± 9.67 | 0.106 |
DBP(mmHg) | 78.32 ± 11.57 | 74.81 ± 9.07 | 0.119 |
IVST (mm) | 25.33 ± 7.11 | 9.32 ± 1.35 | < 0.001 |
LVPWT (mm) | 14.25 ± 3.15 | 8.84 ± 1.11 | < 0.001 |
septum/posterior wall ratio | 1.86 ± 0.69 | 1.05 ± 0.10 | < 0.001 |
LVDd (mm) | 40.83 ± 4.87 | 44.16 ± 2.44 | < 0.001 |
LVDs (mm) | 23.32 ± 4.09 | 27.81 ± 1.64 | < 0.001 |
LADs | 40.91 ± 0.83 | 31.85 ± 1.95 | < 0.001 |
E (cm/sec) | 79.04 ± 3.26 | 80.36 ± 3.07 | 0.053 |
A (cm/sec) | 71.05 ± 2.89 | 69.89 ± 2.65 | 0.052 |
E /A ratio | 1.12 ± 0.39 | 1.15 ± 0.29 | 0.675 |
Conventional echocardiographic parameters
3PE-QTVI parameters
HCM patients (N = 50) | Control group (N = 40) | p value | |
---|---|---|---|
Ea’(cm/sec) | |||
AS | 3.35 ± 1.15 | 8.14 ± 2.23 | < 0.001 |
AN | 3.58 ± 1.25 | 8.87 ± 1.81 | < 0.001 |
AL | 4.24 ± 1.50 | 9.25 ± 1.80 | < 0.001 |
IL | 3.88 ± 1.44 | 10.26 ± 2.01 | < 0.001 |
IN | 3.51 ± 1.46 | 9.18 ± 1.57 | < 0.001 |
IS | 3.44 ± 1.42 | 8.20 ± 1.31 | < 0.001 |
Aa’ (cm/sec) | |||
AS | 5.12 ± 1.84 | 6.48 ± 0.87 | < 0.001 |
AN | 5.22 ± 1.20 | 7.08 ± 0.56 | < 0.001 |
AL | 5.93 ± 1.43 | 7.21 ± 0.65 | < 0.001 |
IL | 6.02 ± 1.58 | 7.59 ± 1.13 | < 0.001 |
IN | 5.68 ± 1.46 | 7.80 ± 1.32 | < 0.001 |
IS | 5.10 ± 1.27 | 6.63 ± 0.68 | < 0.001 |
E a’ / Aa’ | |||
AS | 0.71 ± 0.26 | 1.27 ± 0.43 | < 0.001 |
AN | 0.69 ± 0.20 | 1.24 ± 0.18 | < 0.001 |
AL | 0.74 ± 0.28 | 1.29 ± 0.23 | < 0.001 |
IL | 0.63 ± 0.22 | 1.45 ± 0.33 | < 0.001 |
IN | 0.63 ± 0.25 | 1.21 ± 0.29 | < 0.001 |
IS | 0.69 ± 0.18 | 1.26 ± 0.32 | < 0.001 |
E/Em’ ratio | 21.47 ± 5.36 | 10.01 ± 3.94 | < 0.001 |
RT-3DE parameters
HCM patients (N = 50) | Control group (N = 40) | p value | |
---|---|---|---|
LVEDV(ml) | 70.12 ± 13.91 | 85.59 ± 14.94 | < 0.001 |
LVESV (ml) | 31.09 ± 6.02 | 29.46 ± 5.47 | 0.187 |
LVSV (ml) | 39.94 ± 10.67 | 56.25 ± 11.68 | < 0.001 |
LVEF(%) | 57.17 ± 4.15 | 65.13 ± 2.95 | < 0.001 |
2D-STI parameters
HCM patients (N = 50) | Control group (N = 40) | p value | |
---|---|---|---|
LPSS-bas | −13.91 ± 5.17 | −21.67 ± 3.50 | < 0.001 |
LPSS-mid | −12.59 ± 5.83 | −22.02 ± 3.06 | < 0.001 |
LPSS-api | −14.76 ± 6.84 | −24.58 ± 3.96 | < 0.001 |
CPSS-bas | −16.99 ± 6.19 | −22.13 ± 4.86 | < 0.001 |
CPSS-mid | −15.85 ± 5.34 | −23.45 ± 3.70 | < 0.001 |
CPSS-api | −16.24 ± 4.58 | −28.32 ± 4.15 | < 0.001 |
HCM-A (ST<12 mm, 227segments) | HCM-B (ST:12–15 mm, 281segments) | HCM-C (ST>15 mm, 392 segments) | Control group (720 segments) | |
---|---|---|---|---|
ST | 9.45 ± 1.25 | 13.39 ± 1.21*# | 17.53 ± 1.84*#& | 9.37 ± 1.18 |
LPSS | −17.79 ± 3.75* | − 13.51 ± 4.02*# | −10.03 ± 3.17*#& | −22.89 ± 3.41 |
CPSS | −19.83 ± 4.07* | − 16.19 ± 5.71*# | −13.32 ± 4.39*#& | −24.61 ± 3.52 |