Randomized clinical trial comparing pericapsular nerve group (PENG) block and periarticular local anesthetic infiltration for total hip arthroplasty
Authors' conclusion
For primary total hip arthroplasty, pericapsular nerve group block and periarticular local anesthetic infiltration result in comparable rates of quadriceps weakness. However, periarticular local anesthetic infiltration is associated with lower static pain scores (especially during the first 24 hours) and dynamic pain scores (first 6 hours).
Study context
- Population
- Patients undergoing primary total hip arthroplasty under spinal anesthesia
- Participants
- 60 patients
- Comparison
- PENG block vs periarticular local anesthetic infiltration
- PENGn = 30reference
- Periarticular infiltrationn = 30
- Primary endpoint
- Quadriceps weakness
- Follow-up
- 3 hours
Methodological detailsblinded outcome assessment
- Blinded outcome assessment
Primary result
As reported in the abstract
P = 0.469
Further findings
Sensory or motor block at other times, time to first opioid request, cumulative breakthrough morphine, physiotherapy ability, LOS
- No intergroup differences
Static and dynamic pain scores
- Lower static pain scores (all intervals) and dynamic pain scores (3 and 6 hours) with periarticular infiltration vs PENG
Original publication
Randomized clinical trial comparing pericapsular nerve group (PENG) block and periarticular local anesthetic infiltration for total hip arthroplasty. Reg Anesth Pain Med. Published 16 February 2023. doi:10.
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