Article Notes
Article pearls, summaries and comments.
- Nausea & vomiting (NNH 10 each)
- Urinary retention (NNH 7)
- Pruritus (NNH 4)
- Respiratory depression (NNH 38-59 for IT morphine 0.05-0.5 mg)
This meta-analysis investigated the benefits and risks of intrathecal morphine and fentanyl, concluding that:
Intrathecal morphine prolongs post-operative analgesia on average more than 8 hours, but at cost of:
Intrathecal fentanyl prolongs post-operative analgesia on average almost 2 hours, but at a cost of pruritus (NNH 3).