TABLE 7.
Echocardiographic findings and final diagnoses in dogs with and without bronchomalacia assessed for pulmonary hypertension with partial or complete echocardiograms
| BM (n = 55) | No BM (n = 33) | |||||
|---|---|---|---|---|---|---|
| Partial (n = 32) | Complete (n = 23) | Not assessed | Partial (n = 21) | Complete (n = 12) | Not assessed | |
| LA enlargement (mild, moderate, or severe) | 1 | 5 | 24 | 0 | 2 | 17 |
| Peak TRV >3.4 m/s | 5 | 8 | 5 | 1 | 0 | 4 |
| Septal Flattening | 0 | 4 | 17 | 1 | 0 | 11 |
| Underfilling or decreased LV size | 0 | 2 | 21 | 0 | 1 | 18 |
| RV hypertrophy | 2 | 7 | 11 | 1 | 0 | 7 |
| Right ventricular systolic dysfunction | 1 | 0 | 50 | 1 | 0 | 30 |
| PA/Ao >1 | 2 | 5 | 44 | 0 | 0 | 29 |
| PR velocity > 2.5 | 1 | 3 | 47 | 0 | 0 | 30 |
| RPAD index <30% | 3 | 1 | 41 | 1 | 0 | 30 |
| RV outflow Doppler acceleration time <58 ms or acceleration to ejection time ratio <0.30 | 7 | 6 | 16 | 0 | 0 | 14 |
| RA enlargement | 1 | 8 | 10 | 1 | 0 | 9 |
| CVC enlargement | 0 | 0 | 54 | 0 | 0 | 33 |
| Final diagnosis | ||||||
| Degenerative valve disease | 38 | 15 | ||||
| Other heart disease | 1 | 2 | ||||
| Pulmonary hypertension a | 22 | 3 | ||||
Abbreviations: CVC, caudal vena cava; LA, left atrial; LV, left ventricular; PA : Ao, pulmonary artery‐to‐aorta ratio; RA, right atrial; RPAD, right pulmonary artery distensibility; RV, right ventricular; TRV, tricuspid regurgitation velocity.
a
Denotes clinically significant PH based on Reinero et al, 15 that is, intermediate or high probability of PH.