Influence of the Labrum on Version and Diameter of the Glenoid: A Morphometric Study Using Magnetic Resonance Images

Anthony, Joyce; Varughese, Ibin; Glatt, Vaida; Tetsworth, Kevin; Hohmann, Erik

doi:10.1016/j.arthro.2017.01.045

Cited by 3 publications

(4 citation statements)

References 25 publications

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“…Parada et al, 3 in a recent magnetic resonance imaging study, reported that for patients with posterior labral tears, there is an increase in the retroversion of the glenoid. In line with the results of Anthony et al, 2 it appears that an intact labrum can change the version both anteriorly and posteriorly in the shoulder, thus decreasing problems with instability in both directions.…”

Section: See Related Article On Page 1442supporting

confidence: 86%

Editorial Commentary: More Evidence of the Importance of the Glenoid Labrum—Magnetic Resonance Imaging Reveals Its Possibility to Increase Both Version and Diameter of the Glenoid

Kartus¹

2017

Arthroscopy: The Journal of Arthroscopic & Related Surgery

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Section: See Related Article On Page 1442supporting

confidence: 86%

Editorial Commentary: More Evidence of the Importance of the Glenoid Labrum—Magnetic Resonance Imaging Reveals Its Possibility to Increase Both Version and Diameter of the Glenoid

Kartus¹

2017

Arthroscopy: The Journal of Arthroscopic & Related Surgery

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“…In the literature, the study of Anthony et al on this subject is important [23]. They evaluated the difference between the bone and labral version angles using MRI.…”

Section: Discussionmentioning

confidence: 99%

Is the version angle of the glenoid different in bone and cartilage? An MRI study

Devecı¹,

Dura²,

Cılız³

et al. 2019

Turk J Med Sci

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Background/aim: To determine whether or not there is a difference between the version of the bone and cartilage surfaces of the glenoid. Axial magnetic resonance imaging (MRI) slices were examined in order to evaluate the measurements taken based on both the cartilage and bone joint surfaces. Materials and methods: A retrospective evaluation was made of the MRI scans of 182 patients. All of the reviewers independently measured the glenoid version angles of all of the patients from 1-182. The process was then repeated, with each reviewer taking second measurements of the angles from 1-182. Pearson correlation coefficient analysis was applied to evaluate the interaction and relationships between the measurements taken from the bone and cartilage. The intra-and interobserver interclass correlation coefficients (ICCs) were assessed. Analysis of variance was applied to determine any interobserver significant differences. Results: The mean glenoid version was determined as-3.58 ± 4.08° in the bone-based measurements and-5.81 ± 4.30° in the cartilagebased measurements. The cartilage-and bone-based measurements were found to have inter-and intraobserver reliability. A statistically significant difference was observed between the mean cartilage-based version and the mean bone-based version. Changes in the cartilage-and bone-based measurements were correlated; however, this change was not linear. Conclusion: The cartilage-based version showed a significant difference from the bone-based version. Therefore, in the preoperative planning and evaluation of glenoid-based pathologies, it would be more appropriate to evaluate both the bone and cartilage surface on MRI.

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“…The osseous glenoid depth and labral glenoid depth were measured as the maximum distance from the lowest portion of the glenoid cavity to the tip of the osseous glenoid and labral glenoid, respectively. 7,58,72 Similarly, the osseous glenoid width and labral glenoid width were measured as the distance between the anterior and posterior margins of the osseous glenoid and labral glenoid, respectively 1 (Figure 4B). The integrity of the transferred LHBT was assessed at the latest follow-up.…”

Section: Methodsmentioning

confidence: 99%

“…11,23,26 The Latarjet procedure, with both bone block and tendon sling effects, 27,34,71 has been considered the standard choice to improve functional outcomes and lower the recurrence rate in patients with ASI with critical glenoid bone loss. 25,43 However, several concerns have been raised regarding the long learning curve, 42 The American Journal of Sports Medicine 2023;51 (1):187-197 DOI: 10.1177/03635465221137883 Ó 2022 The Author(s) high rates of hardware-related complications, 17,19 and potential biomechanical adverse effects after coracoacromial ligament resection. 18,22 As an alternative to the Latarjet procedure, the free bone block (FBB) procedure has recently emerged and been widely undertaken in patients with glenoid bone loss for anatomic glenoid reconstruction.…”

mentioning

confidence: 99%

Clinical and Radiological Outcomes in Patients With Anterior Shoulder Instability and Glenoid Bone Loss after Arthroscopic Free Bone Block Combined With Dynamic Anterior Stabilization

Fang

et al. 2022

Am J Sports Med

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Background: As an alternative to the Latarjet procedure, the arthroscopic free bone block (FBB) procedure combined with dynamic anterior stabilization (DAS) has been recently proposed to provide both glenoid augmentation and a tendon sling effect for treating anterior shoulder instability (ASI) with glenoid bone loss. Purpose: To evaluate the clinical and radiological outcomes of FBB-DAS for ASI with glenoid bone loss. Study Design: Case series; Level of evidence, 4. Methods: Patients who underwent arthroscopic FBB-DAS for ASI with >15% glenoid bone loss between February 2017 and March 2020 were screened and enrolled in this study. Clinical outcome measures were assessed preoperatively and at a minimum 2-year follow-up, including recurrence, complications, shoulder functional scores, range of motion, and return to sports. Postoperative computed tomography and magnetic resonance imaging were also performed. Results: Of a total of 65 patients with a mean follow-up of 46.1 ± 13.1 months, no patients experienced a recurrent dislocation or subluxation postoperatively, while 2 had a positive anterior apprehension test (3.1%). Additionally, 2 patients (3.1%) experienced complications of hematoma and shoulder stiffness, respectively. The mean visual analog scale score, American Shoulder and Elbow Surgeons score, Rowe score, and Oxford Shoulder Instability Score all improved significantly from 3.2 ± 2.4, 75.0 ± 18.9, 43.6 ± 27.3, and 33.8 ± 9.0 preoperatively to 1.3 ± 0.8, 95.1 ± 8.0, 95.5 ± 7.8, and 14.8 ± 3.5 at final follow-up, respectively (all P < .001). No difference was detected in range of motion except for 8.1° and 7.5° external rotation limitations in adduction and abduction, respectively. There were 62 patients (95.4%) who returned to sports, and 54 patients (83.1%) returned to the preinjury level. The transferred biceps tendon was intact in all 59 patients who completed radiological examination at the latest follow-up. Good bone healing was achieved in 98.3% of patients, and the glenoid bone defect decreased from 18.1% to 4.9%. Osseous and labral glenoids were significantly enlarged in width and depth on the latest magnetic resonance imaging (all P < .001). Conclusion: Arthroscopic FBB-DAS provided satisfactory clinical and radiological outcomes for ASI with glenoid bone loss. Despite slight external rotation restrictions, it achieved low recurrence and complication rates, excellent shoulder functional scores, a high return-to-sports rate, and favorable graft healing and remodeling.

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Influence of the Labrum on Version and Diameter of the Glenoid: A Morphometric Study Using Magnetic Resonance Images

Cited by 3 publications

References 25 publications

Editorial Commentary: More Evidence of the Importance of the Glenoid Labrum—Magnetic Resonance Imaging Reveals Its Possibility to Increase Both Version and Diameter of the Glenoid

Editorial Commentary: More Evidence of the Importance of the Glenoid Labrum—Magnetic Resonance Imaging Reveals Its Possibility to Increase Both Version and Diameter of the Glenoid

Is the version angle of the glenoid different in bone and cartilage? An MRI study

Clinical and Radiological Outcomes in Patients With Anterior Shoulder Instability and Glenoid Bone Loss after Arthroscopic Free Bone Block Combined With Dynamic Anterior Stabilization

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