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Table 1 Clinical baseline parameters and 2D echocardiographic characteristics between HCM patients and normal subjects (mean ± SD)

From: Right atrial function assessed by volume-derived values and speckle tracking echocardiography in patients with hypertrophic cardiomyopathy

Variable Values P Value
HCM(32) Normal(34)  
Clinical baseline parameters
 Age (years) 47 ± 14 46 ± 12 0.779
 Male 19 (32) 19 (34)  
 Heart Rate (bpm) 70 ± 11 72 ± 12 0.391
 NYHA Class
  I (30)32   
  II (2)32   
  III (0)32   
  IV (0)32   
 Medical treatment
  β-Blockers (27)32   
  Calcium channel blockers (5)32   
  Disopyramide (0)32   
  Diuretics (0)32   
  ICD (0)32   
2D echocardiographic characteristics
 LAd (mm) 42.06 ± 4.91 35.09 ± 3.38 < 0.001
 IVDd (mm) 19.41 ± 4.09 9.21 ± 1.04 < 0.001
 LVPWd (mm) 10.19 ± 1.15 9.21 ± 1.04 0.001
 LVEF(%) 66.59 ± 6.39 65.20 ± 5.30 0.339
 RVWd (mm) 2.50 ± 0.51 2.47 ± 0.51 0.815
 RVd middle (mm) 29.28 ± 4.26 27.59 ± 3.02 0.066
 RVd longitudinal (mm) 52.31 ± 4.40 52.02 ± 5.16 0.812
 RVd basal (mm) 25.09 ± 3.44 24.62 ± 3.19 0.562
 sPAP (mmHg) 20.50 ± 4.69 18.56 ± 4.44 0.090
 RAd middle (mm) 37.09 ± 3.89 37.82 ± 3.83 0.445
 RAd longitudinal (mm) 48.93 ± 4.43 46.74 ± 3.42 0.027
 TAPSE (mm) 21.25 ± 2.06 21.94 ± 1.97 0.169
 E 0.48 ± 0.12 0.57 ± 0.09 0.001
 A 0.42 ± 0.09 0.40 ± 0.07 0.268
 E/A 1.19 ± 0.34 1.47 ± 0.28 0.001
 S′(cm/s) 10.41 ± 1.89 9.92 ± 1.42 0.234
 E′ (cm/s) −7.53 ± 2.04 −8.74 ± 1.79 0.013
 A′ (cm/s) −11.13 ± 2.20 −10.53 ± 2.37 0.289
 E′/A′ 0.71 ± 0.24 0.89 ± 0.34 0.016
 TR grade
  Absence/Slight (30)32 (32)34  
  Mild (2)32 (2)34  
  Moderate (0)32 (0)34  
  Severe (0)32 (0)34  
  1. Abbreviations: LAd left atrial diameter, IVDd inter-ventricle septal wall diameter in the diastole period, LVPWd left ventricular posterior wall diameter in the diastole period, LVEF left ventricular ejection fraction, RV right ventricular, RVd middle RV diameter at the middle level, RVWd RV free wall diameter, RVd longitudinal RV diameter at the longitudinal, RVd basal RV diameter at the base level, sPAP systolic pulmonary arterial pressure, RA right atrial, RAd middle RA diameter at the middle level, RAd longitudinal RA diameter at the longitudinal, TAPSE tricuspid annular plane systolic excursion, E Peak early velocities of tricuspid valve were measured by pulsed-wave Doppler, A Peak late velocities of tricuspid valve were measured by pulsed-wave Doppler, S′ peak systolic annular velocities obtained at RV lateral wall by using TDI, E′ peak early diastolic annular velocities obtained at RV lateral wall by using TDI, A′ peak late diastolic annular velocities at RV lateral wall by using TDI, TR tricuspid valve regurgitation