Table 1

Characteristics of All Patients and Patients With Any or Deep Myocardial Bridging

All Patients
(N = 100)
MB
(n = 34)
Deep MB
(n = 22)
Men/women58/4229/519/3
Age, yrs63 ± 763 ± 764 ± 8
Significant CAD, >70% or FFR <0.835 (35)14 (41)8 (36)
 1 vessel2174
 2 vessel1253
 3 vessel221
Symptom
 Typical AP52 (52)19 (56)14 (63)
 Atypical AP35 (35)12 (35)6 (27)
 Nonanginal9 (9)1 (3)1 (5)
Medication
 Aspirin72 (72)26 (76)17 (77)
 Beta-blocker51 (51)18 (53)11 (50)
 Statin60 (60)21 (62)12 (55)
 ACE inhibitor / AT2 receptor-antagonist32 (32)14 (41)8 (36)
 Calcium-channel blocker10 (10)5 (15)3 (14)
 Nitrate7 (7)2 (6)2 (9)

Values are n, mean ± SD, or n (%).

ACE = angiotensin-converting enzyme; AP = angina pectoris; AT2 = angiotensin 2 receptor; CAD = coronary artery disease; FFR = fractional flow reserve.

  • >2 mm of overlying myocardium.