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Introduction: Several studies have analyzed the functional recovery after plate fixation of a displaced fracture of the middle third of the clavicle beyond the 6th week. The aim of this study was to assess the early functional recovery in the first 6 weeks, which has not yet been investigated., Hypothesis: Functional recovery in the first 6 weeks after surgical treatment is better than in the first 6 weeks of functional (non-operative) treatment., Methods: Any patient who had a closed displaced fracture of the middle third of the clavicle - Edinburgh types 2B1 or 2B2 - was informed of the treatment options within a week of their fracture: surgical fixation by anatomic plate or functional treatment. A QuickDASH score was filled out weekly for 6 weeks and at 3 and 6 months. Similarly, the Constant score was determined at 3 and 6 weeks and at 3 and 6 months. Any complications were documented and time to union was determined., Results: Sixty-five fractures in 65 patients were followed for 6 months. Twenty-six patients chose surgical treatment (S) and 39 chose functional treatment (F). The Constant and QuickDASH scores were significantly better in the S group from the 2nd to the 6th week. At 3 weeks, we found a Constant score of 57.7 in group F versus 74.9 in group S (p<0.01) and a QuickDASH of 55.9 in group F versus 27.4 in group S (p<0.001). At 6 weeks, the Constant score was 71.3 versus 86.1 (p<0.001) and the QuickDASH was 28.3 versus 10.6 (p<0.01), respectively. At 3 and 6 months, the recovery was comparable in both groups for these two scores. Return to work was earlier in the S group (34.3 versus 59.7 days; p<0.05)., Discussion: This is the first study reporting the functional results during the first 6 weeks after a displaced fracture of the middle third of the clavicle in adults. Further studies should be conducted to better identify target patients for whom fracture fixation may be beneficial., Conclusion: This study supports open reduction and internal fixation with an anatomical plate of displaced fractures of the middle third of the clavicle since the functional recovery is better in the first 6 weeks., Level of Evidence: III; prospective case-control study., (Copyright © 2020 Elsevier Masson SAS. All rights reserved.)

Background: Improved knowledge of normal shoulder girdle proprioception should benefit the treatment and rehabilitation of shoulder disorders. Whereas many of the available methods for assessing joint position sense (JPS) are costly and complex, Balke et al. have described a simple test. The primary objective of this study was to use this test to identify factors that influence shoulder-girdle JPS evaluation in healthy individuals. The secondary objective was to determine reference values based on the values obtained and on the factors associated with their variability., Hypothesis: Age and dominant limb influence the results of shoulder girdle JPS evaluation, creating a need for reference values that take these factors in account., Patients and Methods: A single-centre prospective study of healthy volunteers was performed between September 2012 and January 2013. In each volunteer, shoulder repositioning accuracy was assessed bilaterally as described by Balke et al. A line was drawn on the floor parallel to and 1 metre away from a wall. A target on the wall showed marks corresponding to three angles of arm elevation: 55°, 90°, and 125°. The volunteer was asked to raise the arm to the three positions, in abduction and in flexion, while memorising the joint positions, then to replicate the same positions with the eyes closed. The absolute differences between the replicated positions and the reference positions, designated angle deviations, were measured in degrees. Age, sex, and dominant upper limb were recorded., Results: The 88 shoulders of 44 healthy volunteers were studied. No significant difference was found between males and females (p>0.05). The only significant difference between sides was better replication by the dominant arm of flexion at 55° (p=0.03). By univariate analysis, age was the only factor significantly associated with repositioning errors (p=0.003); neither dominant limb nor sex were significant (p=0.29 and p=0.59, respectively). In flexion, the angle deviation increased significantly with movement amplitude. The measurements were used to create a chart of expected angle deviations in healthy individuals according to age and to plane and amplitude of movement., Discussion: The test described by Balke et al. is simple and feasible in everyday practice. Age, dominance, and plane of movement should be considered when evaluating abnormal shoulders. Further studies in larger numbers of individuals are needed to better define normal angle deviations related to these factors., Level of Evidence: IV., (Copyright © 2019 Elsevier Masson SAS. All rights reserved.)

Introduction: The purpose of this study was to evaluate the functional and radiological outcomes of a cementless, trauma-specific locked stem for 3- and 4-part proximal humeral fractures., Materials and Methods: This study consisted of two parts: a cadaver study with 22 shoulders and a multicenter prospective clinical study of 23 fracture patients evaluated at least 2 years after treatment. In the cadaver study, the locked stem (Humelock(TM), FX Solutions) and its instrumentation were evaluated. In the clinical study, five senior surgeons at four different hospitals performed the surgical procedures. An independent surgeon evaluated the patients using clinical (Constant score, QuickDASH) and radiological (X-rays, CT scans) outcome measures., Results: The cadaver study allowed us to validate the height landmarks relative to the pectoralis major tendon. In the clinical study, at the review, abduction was 95° (60-160), forward flexion was 108° (70-160), external rotation (elbow at body) was 34° (0-55), the QuickDASH was 31 (4.5-59), the overall Constant score was 54 (27-75), and the weighted Constant score was 76 (31.5-109)., Discussion: This preliminary study of hemiarthroplasty (HA) with a locked stem found results that were at least equivalent to published series. As all patients had at least a 2-year follow-up, integration of the locked stem did not cause any specific complications. These results suggest that it is possible to avoid using cement when hemiarthroplasty is performed for the humeral stem. This implant makes height adjustment and transosseous suturing of the tuberosities more reproducible., (© The Authors, published by EDP Sciences, 2016.)