New Discovery of Left Atrial Macroreentry Tachycardia: Originating from the Spontaneous Scarring of Left Atrial Anterior Wall
Table 1
Patient characteristics.
Patients characteristics
Study group (N = 9)
Control group (N = 16)
value
Age (yrs)
79.78 ± 5.59
59.06 ± 8.78
≤0.001
Females, n (%)
8 (88.9)
5 (31.3)
0.006
Body mass index (kg/m2)
23.04 ± 1/798
24.11 ± 1.69
0.151
Hypertension, n (%)
8 (88.9)
6 (37.5)
0.013
History of hypertension (yrs)
11.78 ± 8.136
2 ± 3.3559
≤0.001
Diabetes, n (%)
1 (11.1)
2 (12.5)
0.918
Coronary artery disease, n (%)
3 (33.3)
3 (18.8)
0.412
Chronic obstructive pulmonary disease, n (%)
2 (22.2)
0 (0)
0.049
Pulmonary embolus disease, n (%)
1 (11.1)
0
0.174
Echocardiography
Mean LA size (mm)
43.0 ± 4.33
40.27 ± 5.82
0.175
Mean RV size (mm)
22.56 ± 2.603
24.06 ± 2.98
0.218
Mean LV size (mm)
41.0 ± 5.123
45.25 ± 4.34
0.038
Mean IVS size (mm)
10.67 ± 1.803
10.81 ± 1.424
0.825
Mean LVEF (%)
60.78 ± 9.72
65.75 ± 5.94
0.124
Sinus of Valsalva diameter (mm)
29.33 ± 2.87
30.31 ± 4.045
0.529
Aortic annular diameter (mm)
19.33 ± 2.062
20.38 ± 2.062
0.238
Ascending aorta diameter (mm)
32.22 ± 4.494
32.88 ± 4.646
0.736
Pulmonary artery diameter (mm)
24.00 ± 3.00
22.94 ± 1.879
0.285
Pulmonary artery pressure (mmHg)
28.33 ± 8.26
18.25 ± 8.347
0.009
BNP (pg/mL)
364.162 ± 287.03
119.634 ± 168.128
0.039
Values are mean ± SD, n (%), or mean (range). LA: left atrium; RV: right ventricular; LV: left ventricular; IVS: interventricular septum; LVEF: left ventricular ejection fraction; BNP: B-type natnuretic peptide.
