Table 4.
Echocardiographic and strain variables of patients with maintained sinus rhythm (MSR) group as compared to the atrial fibrillation recurrence (AFR) group
| Echo variables | MSR (n=27) | AFR (n=14) | P value | |||
|---|---|---|---|---|---|---|
| LVIDd, mm |
49.6 ± 2.6 |
51.5 ± 6.6 |
0.68 |
|||
| LVIDs, mm |
35.8 ± 3.6 |
35.2 ± 6.6 |
0.84 |
|||
| STd, mm |
10.4 ± 0.8 |
10.5 ± 0.8 |
0.61 |
|||
| PWTd, mm |
10.1 ± 0.8 |
10.8 ± 1.0 |
0.18 |
|||
| LVEF (%) |
54.8 ± 4.4 |
52.5 ± 7.0 |
0.72 |
|||
| LAD, mm |
46.5 ± 3.8 |
44.7 ± 9.4 |
0.95 |
|||
| Pre-CV LAVI, ml/M2 |
34.5 ± 5.0 |
36.5 ± 5.6 |
0.82 |
|||
| Post-CV LAVI, ml/M2 |
35 ± 5.6 |
34.2 ± 5.2 |
0.89 |
|||
| E/E’ |
9.8 ± 2.2 |
12.5 ± 2.6 |
0.07 |
|||
| |
Pre-CV |
Post-CV |
P value |
Pre-CV |
Post-CV |
P value |
| HR |
84.0 (77.6 – 90.6) |
66.0 (60.5 – 71.6) |
<0.01 |
87.9 (78.2 – 97.6) |
75.7 (69.3 – 82.1) |
0.05 |
| LAVI, ml/M2 |
34.5 (29.4 – 39.8) |
35 (29.2 – 40.9) |
0.87 |
36.5 (30.9 – 42.1) |
34.2 (29.0 – 39.4) |
0.19 |
| 2CLAS, % |
12.8 (9.5 – 16.3) |
18.0 (13.4 – 22.8) |
0.01 |
12.4 (8.1 – 16.8) |
13.2 (10.7 – 15.8) |
0.68 |
| 4CLAS, % |
10.8 (7.6 – 14.1) |
15.9 (12.5 – 19.3) |
<0.01 |
11.6 (7.5 – 15.7) |
13.7 (7.7 – 19.9) |
0.75 |
| LAS, % |
11.8 (9.1 – 14.6) |
17.0 (13.2 – 20.8) |
<0.01 |
12.0 (8.3 – 15.7) |
13.5 (9.5 – 17.6) |
0.38 |
| 2CLASt |
0.92 (0.63 – 1.20) |
1.42 (−0.16 – 2.99) |
0.5 |
1.32 (0.78 – 1.87) |
0.83 (0.52 – 1.14) |
0.25 |
| 4CLASt |
1.64 (0.86 – 2.41) |
0.83 (0.54 – 1.12) |
0.06 |
1.45 (0.78 – 2.13) |
0.92 (0.32 – 1.52) |
0.24 |
| LASt | 1.28 (0.81 – 1.76) | 1.12 (0.25 – 1.99) | 0.92 | 1.39 (0.81 – 1.97) | 0.88 (0.43 – 1.33) | 0.22 |
LVIDd – Left ventricular internal diameter at end- diastole, LVIDs – Left ventricular internal diameter at end- systole, STd – Interventricular septum thickness at end-diastole, PWTd – Left ventricular posterior wall thickness at end-diastole, LVEF – Left ventricular ejection fraction, LAD – Left atrial diameter, LAVI – Left atrial volume index, E = early filling velocity of transmitral Doppler flow, E’ = Average early diastolic velocity of medial and lateral mitral annulus, HR – Heart rate, 2CLAS - 2 chamber average peak systolic strain, 4CLAS - 4 chamber average peak systolic strain, LAS – Mean peak systolic strain of 2C and 4C, 2CLASt - 2 chamber left atrial stiffness, 4CLASt – 4 chamber left atrial stiffness, LASt – Mean left atrial stiffness of 2C and 4C.