2014
DOI: 10.1177/2325967114556257
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Glenoid Rim Anatomy

Abstract: Background:Injuries to the glenoid labrum frequently require repair with anchors. Placing anchor devices arthroscopically can be challenging, and anchor malpositioning can complicate surgical outcomes.Purpose:To determine the safe insertion range and optimal insertion angle of glenoid labral anchors at various positions on the glenoid rim and to establish surgical guidelines that minimize risk of anchor perforation.Study Design:Descriptive laboratory study.Methods:Three-dimensional computed tomography scans of… Show more

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Cited by 6 publications
(6 citation statements)
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References 20 publications
(34 reference statements)
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“…Outcome measures of our study included ability to resolve instability induced by arthroscopic transection of the MGHL based on measurement of pre‐, post‐transection, and postoperative abduction angles, accuracy of placement of bone tunnels based on CT measurements and safe application based on visual inspection of the joint surfaces for damage. Penelas et al 14 used several outcome measures well documented in the human literature to assess safety and quality of bone tunnel placement, which were included in our study for consistency and direct comparison purposes 19,23–26 . These bone tunnel measurements included measurements of bone stock surrounding the bone tunnels, insertion angle relative to the articular surfaces of the glenoid or humerus and safety angle which is a measure of the available bone window for anchor placement.…”
Section: Discussionmentioning
confidence: 99%
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“…Outcome measures of our study included ability to resolve instability induced by arthroscopic transection of the MGHL based on measurement of pre‐, post‐transection, and postoperative abduction angles, accuracy of placement of bone tunnels based on CT measurements and safe application based on visual inspection of the joint surfaces for damage. Penelas et al 14 used several outcome measures well documented in the human literature to assess safety and quality of bone tunnel placement, which were included in our study for consistency and direct comparison purposes 19,23–26 . These bone tunnel measurements included measurements of bone stock surrounding the bone tunnels, insertion angle relative to the articular surfaces of the glenoid or humerus and safety angle which is a measure of the available bone window for anchor placement.…”
Section: Discussionmentioning
confidence: 99%
“…While the anatomy of the humeral head is much larger and more forgiving, the anatomy of the glenoid rim poses challenges in both human and veterinary medicine 14 . In man it has been described by Levey et al 25 and Lehtinen et al 26 in detail. In cross‐section, the glenoid rim has the approximate shape of an obtuse isosceles triangle, leaving narrow windows for bone tunnel or anchor insertion.…”
Section: Discussionmentioning
confidence: 99%
“…Em um estudo em glenóides de cadáveres com anatomia óssea normal, foram testados os ângulos de sucesso para implantação de âncoras, nas posições 1:30h, 4:30h, 7:30h, e 10:30h, considerando as posições em um relógio que por convenção 3:00h é anterior e 9:00h é posterior; esta comparação é consistente com outros estudos da literatura ortopédica (Figura 5) (LEVY et al, 2014). Já em um outro estudo, as âncoras foram inseridas em ângulo de 30 graus em relação à superfície da articular Introdução | 36 da glenóide; posteriormente, foram inseridas com 0, 20 e 40 graus em relação ao plano ortogonal (ILAHI et al, 2004).…”
Section: Critérios De Posicionamento De Implantesunclassified
“…A inserção incorreta da âncora no ângulo pode acarretar em perfuração do colo da glenóide ou lesar a superfície articular, resultando em dor crônica, restrição de movimento e recorrência da patologia primária (LEVY et al, 2014). Em relação à cirurgia de Latarjet, a posição mais adequada para fixação de um parafuso no enxerto ósseo é ao redor de 7 mm da superfície glenoidal na borda anterior da glenóide e o furo inferior para colocação do parafuso de 4,5 mm deve ser localizado entre 4:00 e 5:00 horas (YOUNG et al, 2013).…”
Section: Critérios De Posicionamento De Implantesunclassified
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