Patient demographics
| Group A (30 mins) (n = 14) | Group B (60 mins) (n = 14) | Group C (240 mins) (n = 14) | |
|---|---|---|---|
| Age (years) | 57.5 (8.5) | 62 (5.1) | 54.1 (5.7) |
| Single vessel disease | 2 (14%) | 1 (7%) | 3 (21%) |
| Two vessel disease | 1 (7%) | 1 (7%) | 2 (14%) |
| Triple vessel disease | 11 (79%) | 12 (86%) | 9 (65%) |
| Mean vessel disease | 2.64 | 2.8 | 2.3 |
| Previous myocardial infarction1-150 | 2 (14%) | 3 (21%) | 3 (21%) |
| Resting heart rate (beats/min) | 66 (11) | 70 (13) | 72 (12) |
| Systolic blood pressure (mm Hg) | 145 (17) | 144 (14) | 147 (16) |
| Resting EF (%) | 61 (7) | 58 (8) | 62 (6) |
| Resting IRP (ms) | 87.4 (10.8) | 98.1 (14.8) | 80.7 (21.7) |
| Nitrate | 9 (64%) | 10 (71%) | 8 (57%) |
| Calcium antagonist | 4 (29%) | 6 (43%) | 4 (29%) |
| β Blocker | 14 (100%) | 14(100%) | 14 (100%) |
Data presented are mean (SD) or number (%) of patients.
↵1-150 Patients with previous inferior wall myocardial infarction only were included.
EF, ejection fraction; IRP, isovolumic relaxation period.