Table 2 Echocardiographic parameters of cohorts*
Parameter | Isolated RV dysfunction (n = 100) | RV/LV dysfunction (n = 114) | No RV dysfunction (n = 174) | p | |||
|---|---|---|---|---|---|---|---|
N | Value | N | Value | N | Value | ||
RV enlargement | 100 | 82 (82) | 113 | 79 (69.9) | 158 | 0 (0) | <0.001 |
RV dysfunction | 100 | 58 (58) | 114 | 80 (70.2) | 157 | 0 (0) | <0.001 |
TR velocity (m/s) | 36 | 2.8 (2.4–3.1) | 66 | 2.7 (2.3–2.9) | 33 | 2.7 (2.4–2.9) | 0.22 |
RV systolic pressure (mmHg) | 82 | 45 (33–58) | 107 | 41 (33–48) | 113 | 39 (32–46) | 0.01 |
Estimated RA pressure (mmHg) | 84 | 10 (5–15) | 108 | 10 (5–14) | 122 | 10 (5–10) | 0.006 |
TAPSE (mm) | 10 | 20 (13.3–23.3) | 25 | 18 (15–19.5) | 6 | 25.5 (21.5–28.5) | 0.007 |
TV systolic velocity TDI (m/s) | 35 | 0.14 (0.12–0.15) | 60 | 0.13 (0.10–0.14) | 27 | 0.17 (0.16–0.18) | <0.001 |
LV ejection fraction (%) | 81 | 61 (56–67) | 81 | 53 (45–61) | 113 | 60 (55–65) | <0.001 |
LV end-systolic diameter (mm) | 81 | 28 (24.5–32.5) | 100 | 32 (28–37) | 126 | 47 (43–51) | <0.001 |
LV end-diastolic diameter (mm) | 87 | 46 (41–50) | 109 | 47 (43–51) | 111 | 30 (26–33) | 0.17 |
LV mass index (g/m2) | 73 | 83 (67–101.5) | 100 | 88 (70–100) | 108 | 90 (74–102) | 0.26 |
LV stroke volume index (mL/m2) | 73 | 42 (34.5–50) | 104 | 37.5 (30.3–46) | 116 | 41 (36–48) | 0.009 |
Cardiac index (L/min/m2) | 73 | 3.7 (3.1–4.5) | 104 | 3.3 (2.8–4.1) | 116 | 3.8 (3.2–4.4) | <0.001 |
Left atrial volume index (mL/m2) | 39 | 21 (23–37) | 63 | 35 (28–43) | 61 | 33 (29–38.5) | 0.16 |
LV peak systolic velocity (m/s) | 66 | 0.13 (0.11–0.15) | 85 | 0.12 (0.1–0.14) | 70 | 0.15 (0.13–0.17) | <0.001 |
Mitral E velocity (m/s) | 70 | 0.8 (0.6–1.0) | 88 | 0.8 (0.7–1.0) | 108 | 0.9 (0.8–1.1) | 0.001 |
Mitral A velocity (m/s) | 63 | 0.8 (0.6–0.9) | 69 | 0.8 (0.6–0.9) | 99 | 0.8 (0.7–1.0) | 0.04 |
Mitral E/A ratio | 63 | 1.0 (0.8–1.3) | 69 | 1.0 (0.8–1.5) | 99 | 1.0 (0.8–1.4) | 0.44 |
Mitral e′ velocity (medial) (m/s) | 68 | 0.08 (0.06–0.09) | 91 | 0.07 (0.05–0.08) | 105 | 0.07 (0.06–0.1) | 0.02 |
Mitral e′ velocity (lateral) (m/s) | 52 | 0.10 (0.08–0.13) | 67 | 0.09 (0.08–0.10) | 76 | 0.1 (0.08–0.12) | 0.01 |
Mitral E/e′ ratio (medial) | 65 | 10 (8.3–13.8) | 84 | 12.5 (10–15) | 100 | 12.1 (9.2–15) | 0.04 |
Mitral E/e′ ratio (lateral) | 49 | 7.9 (5.7–10) | 61 | 9 (7.6–11.6) | 72 | 9.2 (7.2–12) | 0.01 |