Table 2 Echocardiograpic findings
From: Atrial fibrillation in aortic stenosis - echocardiographic assessment and prognostic importance
CONTROLS | CASES | P-value | |||
|---|---|---|---|---|---|
Aortic stenosis & sinus rhythm | Aortic stenosis & atrialfibrillation | ||||
Median | (IQR) | Median | (IQR) | ||
Left ventricle | |||||
LVEF (%) | 49 | (41–56) | 42 | (33–51) | <0.001 |
LVEDV (ml) | 112 | (91–144) | 119 | (87–148) | 0.86 |
LVESV (ml) | 58 | (40–75) | 67 | (43–91) | 0.15 |
Stroke volume (ml) | 55 | (44–68) | 47 | (40–57) | 0.004 |
Cardiac output (l) | 3.8 | (3.0–4.7) | 4.0 | (3.3–4.8) | 0.29 |
Cardiac index (l/m2) | 2.1 | (1.6–2.5) | 2.1 | (1.7–2.5) | 0.63 |
LVM (g) | 159 | (125–208) | 172 | (133–228) | 0.08 |
LVMI (g/m2) | 87 | (71–109) | 94 | (77–119) | 0.17 |
Left atrial dimensions and volumes | |||||
LAV (ml) | 82 | (68–101) | 92 | (80–126) | 0.006 |
LAV index (ml/m2) | 46 | (38–54) | 48 | (40–59) | 0.11 |
LAD (cm) | 3.9 | (3.5–4.4) | 4.7 | (4.2–5.3) | <0.001 |
Aortic valve velocities | |||||
AV jet velocity (m/s) | 4.0 | (3.3–4.6) | 3.3 | (2.8–4.1) | 0.004 |
AV peak gradient (mmHg) | 59 | (39–79) | 41 | (28–64) | <0.001 |
AV mean gradient (mmHg) | 33 | (21–43) | 22 | (15–38) | 0.001 |
AVA (cm2) | 0.88 | (0.70–1.10) | 0.85 | (0.65–1.07) | 0.38 |
Mitral inflow and diastolic measures | |||||
E (m/s) | 0.77 | (0.64–0.96) | 1.04 | (0.87–1.25) | <0.001 |
DT (ms) | 203 | (148–267) | 149 | (123–189) | <0.001 |
IVRT (ms) | 98 | (80–106) | 77 | (65–94) | <0.001 |
e’ (lateral mitral annulus) (cm/s) | 0.05 | (0.04–0.07) | 0.09 | (0.08–0.12) | <0.001 |
E/e’ | 14.2 | (10.9–19.0) | 11.1 | (8.07–15.7) | <0.001 |
Pulmonary pressure measurements | |||||
TRmax (mmHg) | 29 | (24–35) | 32 | (26–39) | 0.047 |
RA pressure (mmHg) | 3 | (3–3) | 3 | (3–8) | 0.003 |
SPAP (mmHg) | 32 | (26–41) | 36 | (29–46) | 0.028 |