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CC BY-NC-ND 4.0 · Rev Bras Ortop (Sao Paulo) 2023; 58(04): e646-e652
DOI: 10.1055/s-0042-1758367
Artigo Original
Quadril

Block of the Pericapsular Nerve Group of the Hip with and without Ultrasound Guidance: Comparative Cadaveric Study[*]

Article in several languages: português | English
Pedro Hamra
1   Médico, Especialista em Cirurgia do Quadril, Departamento de Ortopedia e Traumatologia, Faculdade de Ciências Médicas, Santa Casa de Misericórdia de São Paulo (FCMSCSP), São Paulo, SP, Brasil
,
André Sanches Sau
1   Médico, Especialista em Cirurgia do Quadril, Departamento de Ortopedia e Traumatologia, Faculdade de Ciências Médicas, Santa Casa de Misericórdia de São Paulo (FCMSCSP), São Paulo, SP, Brasil
,
Walter Ricioli Junior
2   Instrutor de Ensino Médico e Assistente de Grupo de Quadril, Departamento de Ortopedia e Traumatologia, Faculdade de Ciências Médicas, Santa Casa de Misericórdia de São Paulo (FCMSCSP), São Paulo, SP, Brasil
,
Nayra Deise dos Anjos Rabelo
3   Fisioterapeuta, Professor, Núcleo de Apoio à Pesquisa em Análise do Movimento (NAPAM), Programa de Pós-graduação em Ciências da Reabilitação, Universidade Nove de Julho, São Paulo, SP, Brasil
,
Giancarlo Cavalli Polesello 
2   Instrutor de Ensino Médico e Assistente de Grupo de Quadril, Departamento de Ortopedia e Traumatologia, Faculdade de Ciências Médicas, Santa Casa de Misericórdia de São Paulo (FCMSCSP), São Paulo, SP, Brasil
› Author Affiliations Financial Support The authors declare that they have received no financial support for the research, authorship and/or publication of the present article.
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Abstract

Objective To evaluate the technical reproducibility of a block of the pericapsular nerve group (PENG) of the hip aided or not by ultrasound in cadavers.

Materials and Methods The present is a randomized, descriptive, and comparative anatomical study on 40 hips from 2 cadaver groups. We compared the PENG block technique with the method with no ultrasound guidance. After injecting a methylene blue dye, we verified the dispersion and topographical staining of the anterior hip capsule through dissection. In addition, we evaluated the injection orifice in both techniques.

Results In the comparative analysis of the techniques, there were no puncture failures, damage to noble structures in the orifice path, or differences in the results. Only 1 hip from each group (5%) presented inadequate dye dispersion within the anterior capsule, and in 95% of the cases submitted to either technique, there was adequate dye dispersion at the target region.

Conclusion Hip PENG block with no ultrasound guidance is feasible, safe, effective, and highly reliable compared to its conventional counterpart. The present is a pioneer study that can help patients with hip pain from various causes in need of relief.

Keywords

analgesia - anesthesia - hip joint - nerve block - cadaver - peripheral nerve injuries

* Study performed at the Hip Group, Department of Orthopedics and Traumatology, Faculdade de Ciências Médicas, Santa Casa de Misericórdia de São Paulo (FCMSCSP), São Paulo, SP, Brazil.




Publication History

Received: 03 August 2022

Accepted: 12 September 2022

Article published online:
30 August 2023

© 2022. Sociedade Brasileira de Ortopedia e Traumatologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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