Table 7.
Right atrial and ventricular parameters in relationship with OSA.
| Echocardiographic variables | AHI <5 events·h−1 | Mild OSA | Moderate OSA | Severe OSA | p | |
|---|---|---|---|---|---|---|
| RAVI (ml/m2) | Altekin et al. [14] | 15.56 ± 4.94 | 17.31 ± 6.24 | 21.89 ± 7.91 | 28.85 ± 7.97†,‡ | <0.05 |
| RVESV index (ml/m2) | Guvenc et al. [31] | 22.15 ± 3.85 | 26.50 ± 8.11 | 0.01 | ||
| Oliveira et al. [27] | 15.4 ± 3.6 | 18.7 ± 4.3 | <0.05 | |||
| RVEDV index (ml/m2) | Guvenc et al. [31] | 41.48 ± 6.45 | 48.15 ± 11.48 | 0.009 | ||
| Oliveira et al. [27] | 49.9 ± 6.0 | 52.2 ± 7.3 | 0.02 | |||
| RV-EF (%) | Oliveira et al. [27] | 68.4 ± 5.9 | 64.3 ± 6.8 | <0.01 | ||
| TAPSE (mm) | Altekin et al. [14] | 24.76 ± 1.55 | 22.30 ± 2.39 | 21.11 ± 1.56† | 19.42 ± 1.64†,‡,∗ | <0.05 |
| Zakhama et al. [33] | 26.1 ± 3 | 22.7 ± 4 | 0.012 | |||
| RV-MPI | Romero-Corral et al. [12] | 0.23 ± 0.10 | 0.26 ± 0.16† | 0.37 ± 0.11† | <0.05 | |
| Altekin et al. [14] | 0.43 ± 0.09 | 0.46 ± 0.09 | 0.53 ± 0.08† | 0.56 ± 0.11†,‡ | <0.05 | |
| S`RV (cm/s) | Shivalkar et al. [34] | 0.25 ± 0.03 | 0.29 ± 0.05 | 0.008 | ||
| Zakhama et al. [33] | 0.46 ± 0.14 | 0.55 ± 0.12 | 0.024 | |||
| Shivalkar et al. [34] | 13.5 ± 1.8 | 11.4 ± 2.3 | <0.001 | |||
| RV E/E` | Zakhama et al. [33] | 14.5 ± 3 | 12.2 ± 2 | <0.001 | ||
| Guvenc et al. [31] | 3.83 ± 1.16 | 5.23 ± 2.58 | 0.008 | |||
| Altekin et al. [14] | 4.19 ± 1.22 | 4.37 ± 1.22 | 5.77 ± 1.27†,‡ | 7.12 ± 2.29†,‡ | <0.05 | |
RAVI: right atrial volume index; RVESV: right ventricular end-systolic volume; RVEDV: right ventricular end-diastolic volume; RV-EF: right ventricular ejection fraction; TAPSE: tricuspid annular plane excursion; RV-MPI: right ventricular myocardial performance index; AHI: apnea-hypopnea index; OSA: obstructive sleep apnea. †Significantly different from AHI <5 events·h−1; ‡significantly different from mild OSA; ∗significantly different from moderate OSA; #significantly different in OSA compared to controls.