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Adverse effects associated with different doses of intrathecal ropivacaine
| 7.5 mg (n = 20) | 9.0 mg (n = 20) | 10.5 mg (n = 20) | 12.0 mg (n = 20) | |
|---|---|---|---|---|
| Hypotension | 3 | 4 | 5 | 7 |
| Bradycardia | 1 | 0 | 0 | 0 |
| Respiratory depression | 0 | 0 | 0 | 0 |
| Nausea | 4 | 5 | 4 | 4 |
| Vomiting | 1 | 1 | 2 | 1 |
| Shivering | 0 | 0 | 0 | 1 |
| Pruritus | 6 | 8 | 7 | 10 |
| Ephedrine dose, mg | 5 (5-10) | 5 (5-10) | 5 (5-15) | 5 (5-15) |
