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Adverse events
| Group | n (%) | P value |
|---|---|---|
| Bradycardia | ||
| Control | 3 (9) | 0.47 |
| Propranolol | 6 (17) | |
| Bradypnea | ||
| Control | 13 (38) | 0.63 |
| Propranolol | 16 (46) | |
| Hypotension | ||
| Control | 14 (41) | 1.00 |
| Propranolol | 14 (40) | |
| Ischemia | ||
| Control | 13 (38) | 0.23 |
| Propranolol | 19 (54) | |
Bradycardia, pulse <60 bpm; bradypnea, respiratory rate <12 breaths/minute; hypotension, systolic/diastolic blood pressure <90/60 mm Hg; ischemia, mean arterial pressure <60 mm Hg.
