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Background: Previous anesthesia blocks often failed to provide complete pain relief and were associated with weakness in the lower limbs, which hindered the essential mobility of patients undergoing hip surgery. Recently, the pericapsular nerve group block (PENG) has emerged as a promising alternative for managing postoperative pain following hip fracture surgery. Objectives: This study aimed to compare pain reduction between the pericapsular nerve group block (PENG) and the fascia iliaca compartment block (FICB) in patients who underwent intertrochanteric hip surgery. Methods: This randomized, double-blind clinical trial included 41 patients who were randomly assigned to either the pericapsular block group (PENG) or the ultrasound-guided (FICB). The primary outcome was pain relief, assessed using the postoperative Visual Analog Scale (VAS) score. Secondary outcomes included the dose of morphine consumed, the time of first morphine request, patient satisfaction with analgesia, and complications. Results: There was no significant difference between the PENG and FICB groups in terms of pain scores at any of the studied intervals (P-value > 0.05). The dose of morphine consumed and the time to the first morphine request were similar for both methods, with no significant difference (P-value > 0.05). The complication rates were 15% for the PENG group and 8.3% for the FICB group, with no significant difference observed (P-value > 0.05). Conclusions: Both pericapsular and fascia iliaca blocks effectively reduced postoperative pain in patients undergoing intertrochanteric fracture surgery. Additionally, both methods were well tolerated by patients with no significant complications. However, there was no evidence to suggest that PENG is superior to FICB in terms of pain reduction.
Derakhshan et al. (Tue,) studied this question.