From: IMproving PULmonary hypertension Screening by Echocardiography: IMPULSE
Echocardiographic parameter | No Pulmonary Hypertension (N = 51) | Pulmonary hypertension (N = 28) | Statistical significance |
---|---|---|---|
Average Peak TRV (m/s) | 2.34 ± 0.31 | 2.36 ± 0.43 | NS |
Average RV/LV basal diameter ratio | 0.72 ± 0.12 | 0.77 ± 0.14 | NS |
End-Diastolic Eccentricity index | 0.91 ± 0.12 | 0.91 ± 0.13 | NS |
End-Systolic Eccentricity index | 0.97 ± 0.12 | 1.0 ± 0.17 | NS |
Early Peak Diastolic PRV (m/s) | 1.58 ± 0.31 | 1.7 ± 0.44 | NS |
Average MPA diameter (mm) | 19.4 ± 4 | 20.6 ± 7.2 | NS |
RVOT acceleration time (ms) | 114.6 ± 31.6 | 102.6 ± 29.8 | NS |
Frequency of MSN notching (%) | 6 | 7 | NS |
Frequency of IVC diameter > 21 mm with < 50% Respiratory collapse | 0 | 4 | NS |
RAA (cm2) | 14 ± 4 | 14.6 ± 6.5 | NS |
RVFWLS (–%) | − 23.8 ± 3.9 | − 20.6 ± 4.1 | P < 0.02 |
RV TDI IVRT (ms) | 71.5 ± 23.9 | 80.3 ± 22 | NS |
RV TDI E’ | 10.3 ± 3.1 | 10.1 ± 3.7 | NS |
RV TDI E’:A’ ratio | 0.83 ± 0.38 | 0.8 ± 0.39 | NS |
RV wall thickness > 5 mm (n = 14) | 0/9 | 3/5 (60) | P < 0.03 |
RAAI (cm2/m2) | 7.1 ± 2.1 | 7.65 ± 3 | NS |
RVD-1 | 3.38 ± 0.64 | 3.59 ± 0.63 | NS |
RVEDAI (cm2/m2) | 9.34 ± 2.1 | 8.41 ± 3.45 | NS |
RVFAC (%) | 38.6 ± 9.7 | 32.7 ± 11.1 | P = 0.05 |
TAPSE (cm) | 2.17 ± 0.45 | 2.08 ± 0.4 | NS |
RV S’ (cm/s) | 14.04 ± 3.28 | 13.08 ± 3.25 | NS |
Pericardial effusion present (%) | 4 | 8 | NS |