Key result
PENG block reduces 6-hour pain vs FNB but fails to beat FICB or reduce opioids.
Why the study?
Debate continues regarding whether pericapsular nerve group block, fascia-iliaca compartment block, or femoral nerve block provides superior postoperative analgesia in hip fracture surgery.
Does PENG block reduce postoperative pain scores in adult hip fracture patients compared to FICB or FNB?
Does PENG block reduce postoperative pain scores in adult hip fracture patients compared to FICB or FNB?
There is insufficient evidence to state superiority of PENG over FICB or FNB when used perioperatively in patients undergoing hip fracture repair.
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May reduce early pain vs FNB without opioid benefit; leaves open optimal block selection in hip fracture repair.
Vermazen et al. (2026) studied this question. The PENG block significantly reduced pain scores at 6 hours compared to FNB, but showed no significant difference in opioid consumption or superiority over FICB.