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Table 4 Echocardiographic and strain variables of patients with maintained sinus rhythm (MSR) group as compared to the atrial fibrillation recurrence (AFR) group

From: Speckle echocardiographic left atrial strain and stiffness index as predictors of maintenance of sinus rhythm after cardioversion for atrial fibrillation: a prospective study

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
  1. 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.