Table 1 Baseline characteristics of all patients
From: Surgical strategies and outcomes for myocardial bridges coexisting with other cardiac conditions
Characteristics | Total (n = 77) | Isolate myotomy (n = 31) | LAD CABG and (or not) myotomy (n = 25) | Myotomy and other branch bypass grafting (n = 10) | Myotomy and other procedures (n = 11) |
|---|---|---|---|---|---|
Age (years) | 55.2 ± 9.74 | 54.55 ± 12.84 | 59(50.5–62) | 54.5 ± 6.06 | 57.82 ± 9.28 |
Gender (female/male) | 17/60 | 8/23 | 6/19 | 0/10 | 3/8 |
Symptoms (n) | |||||
Chest pain (n) | 66 | 31 | 25 | 10 | 0 |
Dyspnea (n) | 27 | 10 | 7 | 4 | 6 |
Obesity (BMI > 30kg/m2) | 5 | 1 | 2 | 1 | 1 |
Recent smoking (n) | 33 | 12 | 12 | 4 | 5 |
Diabetes mellitus (n) | 12 | 5 | 6 | 1 | 0 |
Hypertension (n) | 21 | 11 | 2 | 5 | 3 |
Dyslipidemia (n) | 23 | 10 | 8 | 5 | 0 |
Previous MI (n) | 17 | 4 | 10 | 3 | 0 |
History of arrhythmia (n) | 2 | 0 | 1 | 0 | 1 |
NYHA class III and IV (n) | 3 | 2 | 0 | 0 | 1 |
CCS class III and IV (n) | 23 | 15 | 3 | 5 | 0 |
Angiographic findings | |||||
LAD MB (n) | 73 | 31 | 21 | 10 | 11 |
Combined LAD stenosis (n) | 21 | 0 | 21 | 0 | 0 |
Combined LAD obstruction(n) | 4 | 0 | 4 | 0 | 0 |
Other branch stenosis (n) | 29 | 0 | 20 | 9 | 0 |
Other branch obstruction (n) | 4 | 0 | 3 | 1 | 0 |
Systolic compression degree of MB (%) | 80(60–80) | 80(80–90) | 50(50–70) | 75(60–80) | 70(50–80) |
LV EF (%) | 65(60–67) | 65(60–67) | 60(60–66) | 62.90 ± 6.01 | 60(60–69) |
LVEDD (mm) | 47.08 ± 5.15 | 45.29 ± 4.28 | 48.60 ± 4.86 | 46.70 ± 4.47 | 49.00 ± 4.20 |