Radiographic evaluation of the glenohumeral joint space in patients undergoing arthroscopic shoulder surgery in the beach-chair position

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dc.creatorMário Chaves Corrêa
dc.creatorÉrica Antunes Naves
dc.creatorGilvan Ferreira Vaz
dc.creatorThalles Abreu Machado
dc.creatorMarco Antônio Percope de Andrade
dc.date.accessioned2024-07-10T20:25:13Z
dc.date.accessioned2025-09-09T00:03:31Z
dc.date.available2024-07-10T20:25:13Z
dc.date.issued2020
dc.format.mimetypepdf
dc.identifier.doi10.1016/j.jses.2019.11.003
dc.identifier.issn2666-6383
dc.identifier.urihttps://hdl.handle.net/1843/70169
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of Shoulder and Elbow Surgery International
dc.rightsAcesso Aberto
dc.subjectArtroscopia
dc.subjectInstabilidade Articular
dc.subjectArticulação do Ombro
dc.subjectPosicionamento do Paciente
dc.titleRadiographic evaluation of the glenohumeral joint space in patients undergoing arthroscopic shoulder surgery in the beach-chair position
dc.typeArtigo de periódico
local.citation.epage84
local.citation.issue1
local.citation.spage77
local.citation.volume4
local.description.resumoBackground: Shoulder arthroscopy can be performed with the patient in the lateral decubitus or beach-chair position, but in both cases, glenohumeral (GH) joint spaces must be increased to improve visualization and allow access of the optical instrument. The aim of this study was to determine the effects of limb setup and longitudinal traction on the opening of the GH space with patients placed in the beach-chair (dorsal decubitus) position. Methods: GH spaces at 3 test points corresponding to the anatomic locations of Bankart lesions were determined indirectly from radiographic images obtained from 67 patients presenting shoulder pathology with an indication for arthroscopic surgery. Measurements were made with the operative limb in neutral rotation and positioned in relation to the coronal plane in adduction, 45° of abduction, or adduction with an axillary spacer, in each case with and without longitudinal traction. Results: GH spaces were optimized at 2 of 3 test points when the operative limb was positioned in adduction or neutral rotation and manual longitudinal traction was applied with or without a polystyrene spacer placed under the axilla, but use of the spacer was essential to maximize the GH space at all 3 locations. In contrast, 45° of abduction proved to be the least appropriate position because it afforded the smallest GH space values with or without traction. Conclusion: Appropriate positioning of the patient on the operating table is a critical aspect of shoulder arthroscopy. Radiographic images revealed that adducted upper-limb traction with the use of an axillary spacer in patients in the beach-chair position generates a significant increase in the GH space in the lower half of the glenoid cavity, thereby facilitating visualization and access of the optical equipment to the GH compartments.
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE APARELHO LOCOMOTOR
local.publisher.initialsUFMG
local.url.externahttps://pubmed.ncbi.nlm.nih.gov/32195467/

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