Objective We compared the efficacy and safety of ultrasound-guided haematoma block with that of procedural sedation and analgesia in patients with acute distal radial fracture reduction pain control.
Methods This was a randomised clinical trial on adult patients conducted in two teaching hospitals. Patients received intravenous midazolam plus fentanyl in the procedural sedation and analgesia group, and fracture site injection of lidocaine 10% in the ultrasound guided haematoma block group. We measured pain scores before reduction, during reduction and 5, 10 and 15 min after reduction by a numeric rating scale, and patient and physician satisfaction by a four-level Likert scale. Time to discharge, early adverse effects and late complications were also compared.
Results We enrolled 160 patients with distal radial fracture and randomised 143 patients into two groups (after excluding 17 patients). Pain was effectively controlled in both groups. Pain scores had no statistically significant difference before and during reduction and 5 and 15 min after reduction in the procedural sedation and analgesia and ultrasound guided haematoma block groups. Patient and physician overall satisfaction were similar in the two groups. Time to discharge was significantly lower in the ultrasound guided haematoma block group. Four patients (5.5%) in the procedural sedation and analgesia group showed early adverse effects. No patient in either group showed any late complications.
Conclusions Ultrasound guided haematoma block may be a safe and effective alternative to procedural sedation and analgesia.
Trial registration number 201112308104N5.
- anaesthesia - local
- anaesthesia - general
- anaesthesia - rsi
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