Table 1

Characteristics of patients and radionuclide angiography derived left ventricular filling parameters of 17 patients with lone atrial fibrillation (AF) direct post cardioversion compared to 17 normal controls (mean (SD))

Control (n=17)Lone AF (n=17)
*p<0.05 v control; **p<0.01 v control; ***p<0.001 v control.
†For AF patients: after cardioversion.
AFF, additional filling fraction; DF, diastasis filling fraction; EDF, early diastolic filling fraction; EDV, end diastolic volume; FS, fractional shortening; FV, filling volume; LA (AP), left atrium apical view; LA (LA), left atrium long axis; LVEDD, left ventricular end diastolic diameter; LVESD, left ventricular end systolic diameter; LVEF, left ventricular ejection fraction; PFR, peak filling rate; TPFR, time to peak filling rate.
Age (years)57 (11)65 (13)*
Sex (male/female)7/1011/6
Atrial fibrillation duration (median, range, days)135 (60–1215)
Echocardiography (mm)
    LVEDD48 (5)45 (5)
    LVESD29 (4)27 (2)
    FS (% of LVEDD)39 (6)39 (5)
    LA (LA)35 (6)42 (5)*
    LA (AP)51 (2)61 (7)**
Heart rate (per min)†66 (8)67 (11)
    PR interval (ms)†165 (19)215 (22)***
    QRS width (ms)†91 (9)90 (21)
Systolic blood pressure (mm Hg)†137 (14)120 (13)
Diastolic blood pressure (mm Hg)†84 (7)66 (7)***
Radionuclide angiography
    LVEF (% of EDV)†61 (5)58 (5)
    PFR (FV/s)3.28 (0.64)3.81 (0.67)*
    TPFR (ms)199 (42)155 (44)**
    EDF (%FV)67 (7)69 (6)
    DF (%FV)14 (7)18 (5)
    AFF (%FV)31 (5)24 (6)**