PENG radiofrequency and hip chronic pain: is this the future?

Fusco, Pierfrancesco; Petroni, Gian M; Carlo, Stefano Di; Maggiani, Chiara; Marinangeli, Franco; Ciaschi, Walter

doi:10.23736/s0375-9393.21.15929-2

Cited by 5 publications

(1 citation statement)

References 3 publications

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“…In a case report, the PENG block was given with 20 mL 0.25% bupivacaine and 8 mg dexamethasone, and provided pain relief for 2 weeks in chronic hip pain due to OA [36]. In addition, some anecdotal cases have been reported on the effective use of pulsed radiofrequency of PENG and the neurolytic PENG block for chronic pain treatment [16,17,36,37]. According to the present results, there was a significant effect from the PENG block for two months, in addition to the greatest effect occurring on day one due to the nerve blockade with LA that was present in the PENG block.…”

Section: Pre-treatmentmentioning

confidence: 99%

Ultrasound-guided PENG block versus intraarticular corticosteroid injection in hip osteoarthritis: a randomised controlled study

Köse

Köse²,

Çelikel

et al. 2023

Korean J Pain

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Background: This study aimed to compare the effectiveness of the pericapsular nerve group (PENG) block and intra-articular injection (IAI) of steroid-bupivacaine in the treatment of hip osteoarthritis (OA). Methods: After randomization, patients received either a PENG block or IAI under ultrasound-guidance. Clinical evaluations were recorded at baseline, day 1, and weeks 1, 4, and 8 post-intervention. The numerical rating scale (NRS), Western Ontario and McMaster Universities Arthritis Index (WOMAC), Harris Hip Scale (HHS) scores, pain medication use determined by a quantitative analgesic questionnaire, and patient satisfaction were evaluated. Results: Sixty patients were included in this study. NRS scores improved significantly for both groups during the follow-up compared to pretreatment (P < 0.001), with better pain scores for the PENG group (P < 0.001) at day 1 with larger effect size (Cohen's d = 4.62), and IAI group at 4 (Cohen's d = 5.15) and 8 (Cohen's d = 4.33) weeks (P < 0.001). There was no significant difference in pain medication consumption (P = 0.499) and patient satisfaction (P = 0.138) between groups. Patients in the IAI group experienced significant improvement in HHS (Cohen's d = 2.16, P = 0.007) and WOMAC (Cohen's d = 1.02, P = 0.036) scores at 8 weeks compared to the PENG group. Conclusions: The ultrasound-guided PENG block provides effective pain relief which improves functionality and quality of life in hip OA patients up to 2 months. The PENG block can be considered an easy, safe, and useful alternative treatment modality for hip OA.

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