Table 2 Echocardiographic findings in those with RV–PA coupling (TAPSE/PASP ≥ 0.31 mmHg) and uncoupling (TAPSE/PASP < 0.31 mmHg)
Echocardiographic parameters | TAPSE/PASP < 0.31 mmHg (n = 15) | TAPSE/PASP ≥ 0.31 mmHg (n = 62) | p value |
|---|---|---|---|
PAAT (ms) | 79 (19) | 92 (25) | 0.004 |
PAATc (ms) | 63 (14) | 80 (46) | 0.004 |
RVOT ET (ms) | 263 ± 73 | 276 ± 80 | 0.43 |
RVOT VTI (cm) | 12 ± 3 | 14 ± 4 | 0.03 |
LV ejection fraction (%) | 55 (15) | 55 (15) | 0.73 |
E/e′ | 12 (13) | 10 (6) | 0.07 |
E/A | 1.06 (0.9) | 1.02 (0.6) | 0.43 |
Lateral e′ (cm/s) | 10 (3) | 9 (5) | 0.38 |
Medial e′ (cm/s) | 6 (2) | 7 (3) | 0.07 |