Table 1.
Patients characteristics.
| Refractory VSA (n = 9) | Stable VSA (n = 8) | p-value | |
|---|---|---|---|
| Age, years | 61.6 ± 9.6 | 64.3 ± 7.9 | 0.73 |
| Male | 7 (78) | 5 (63) | 0.62 |
| Heart rate (beats per minute) | 68.0 ± 7.7 | 70.3 ± 6.5 | 0.53 |
| Systolic blood pressure (mmHg) | 126.1 ± 20.0 | 124.9 ± 19.2 | 0.90 |
| Hypertension | 5 (56) | 4 (50) | 0.99 |
| Dyslipidemia | 3 (33) | 2 (25) | 0.99 |
| Diabetes mellitus | 2 (22) | 2 (25) | 0.99 |
| Current smoking | 3 (33) | 3 (38) | 0.99 |
| Calcium channel blocker | 7 (78) | 4 (50) | 0.33 |
| Angiotensin II Receptor Blocker | 1 (11) | 3 (38) | 0.29 |
| β blocker | 3 (33) | 1 (13) | 0.58 |
| Nitroglycerin | 1 (11) | 0 (0) | 0.99 |
| Nicorandil | 4 (44) | 2 (25) | 0.61 |
| Reasons for provocation test | 0.99 | ||
| Positive ischemic findings in ECG or Holter ECG | 6 (67) | 6 (75) | |
| Development of exercise-induced angina or different type of resting angina | 3 (33) | 2 (25) |
Values are presented as n (%) or mean ± standard deviation.
VSA vasospastic angina.