Use of Novel Blunt Dissection Technique for Surgical Unroofing in Myocardial Bridging Patients
Table 1
Demographic and baseline characteristics in the study population including risk factors of the traditional coronary heart disease.
Characteristics
Conventional group (N = 26)
Blunt dissection group (N = 19)
value
Age ± SD (years)
57 ± 7
54 ± 7
0.079
Male, n (%)
15 (58%)
12 (63%)
0.712
Body mass index ± SD (kg/m2)
25 ± 2
26 ± 3
0.569
Coronary artery disease, n (%)
12 (46%)
9 (47%)
0.936
Prior myocardial infarction, n (%)
5 (19%)
2 (11%)
0.426
Prior cardiac operation, n (%)
2 (8%)
0
0.501
Prior sternotomy, n (%)
1 (4%)
0
0.990
Prior CABG to LAD, n (%)
1 (4%)
0
0.990
Prior PCI, n (%)
2 (8%)
1 (5%)
0.990
Ejection fraction ± SD
57.50 ± 5.06
59.84 ± 4.20
0.108
Diabetes mellitus, n (%)
2 (8%)
3 (16%)
0.636
Hypertension, n (%)
5 (19%)
4 (21%)
0.880
Dyslipidemia, n (%)
8 (31%)
5 (26%)
0.745
Prior stroke or transient ischemic attack, n (%)
3 (12%)
1 (5%)
0.841
Chronic lung disease, n (%)
5 (19%)
3 (16%)
0.990
Prior atrial fibrillation, n (%)
3 (12%)
1 (5%)
0.841
MB total length ± SD (cm)
2.93 ± 0.86
2.77 ± 0.74
0.513
MB maximum thickness ± SD (cm)
1.70 ± 0.39
1.51 ± 0.50
0.126
CABG, coronary artery bypass grafting; LAD, left anterior descending; PCI, percutaneous coronary intervention; MB, myocardial bridging. Continuous variables are expressed as mean +SD, or the median (interquartile range), and categorical variables are expressed as number (%).
