Table 2.
Comparison of the process and consequences of coronary angiography between the Hypnosis and Control groups
| Characteristic | Hypnosis group (N = 85) |
Control group (N = 84) |
P* |
|---|---|---|---|
| Use of Midazolam | 9 (11) | 14 (17) | 0.27 |
| Use of I-V paracetamol | 1 (1) | 2 (2) | 0.62 |
| Use of morphine | 1 (1) | 2 (2) | 0.62 |
| Operator believes that the patient is under hypnosis | |||
| Yes | 54 (64) | 50 (60) | 0.85 |
| No | 22 (26) | 25 (30) | |
| No opinion | 9 (11) | 9 (11) | |
| Pain before the procedure (visual analog scale) | 0 (0; 8)* | 0 (0; 7)* | 0.95 |
| VAS ≥ 4 | 5 (6) | 7 (8) | 0.57 |
| Pain after the procedure | 0 (0; 6)* | 0 (0; 7)* | 0.50 |
| VAS ≥ 4 | 1 (1) | 3 (4) | 0.37 |
| Pain the day after the procedure | 0 (0; 6)* | 0 (0; 3)* | 0.42 |
| VAS ≥ 4 | 3 (4) | 1 (1) | 0.62 |
| Complications | 8 (9) | 11 (13) | 0.48 |
| Vasovagal episode | 4 (5) | 4 (5) | 0.99 |
| Hematoma | 4 (5) | 5 (6) | 0.75 |
| Cutaneous allergy | 1 (1) | 1 (1) | 0.99 |
| Anaphylactic shock | 1 (1) | 0 (0) | 0.99 |
| Ventricular fibrillation | 0 (0) | 1 (1) | 0.50 |
| State anxiety (STAI-Y A) immediately before the procedure | 45 (35; 73) | 46 (36; 74) | 0.23 |
| In women | 44 (35; 65) | 44 (36; 69) | 0.53 |
| In men | 46 (39; 73) | 48 (39; 74) | 0.21 |
| Operator satisfaction | |||
| Yes (greater than 4/5) | 58 (68) | 59 (70) | 0.99 |
| No (less than or equal to 4/5) | 18 (21) | 17 (20) | |
| No opinion | 9 (11) | 8 (10) | |
Data are presented as median (min; max) or number (percentage) *Wilcoxon or Fischer’s exact tests