The Classic: A Dissertation Upon Dislocations and Fractures of the Clavicle and Shoulder-Joint. 1894.
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SUBMITTER: Callaway T
PROVIDER: S-EPMC3210282 | biostudies-literature | 2011 Dec
REPOSITORIES: biostudies-literature
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The Classic: A Dissertation Upon Dislocations and Fractures of the Clavicle and Shoulder-Joint. 1894.
Clinical orthopaedics and related research 20111201 12
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Project description:IntroductionThis paper describes a novel technique developed by the senior author to address acute acromioclavicular joint (ACJ) dislocations and certain distal clavicle fractures.MethodsThe procedure employs a four strand, single tunnel, double endobutton repair performed entirely percutaneously, without any arthroscopic guidance or deep surgical dissection.ResultsWe present the preliminary results from our series of 6 consecutive patients performed over a period of 18 months. The mean length of surgery was 36min (range 32-40) and the mean correction of coracoclavicular (CC) distance achieved was 12.6 mm (range 10.3-14.1). There was no restriction of movement in any of the patients post-operatively and their average QuickDASH scores at final follow-up was 4.2 (range 0-6.8).ConclusionResults in the present series were at least comparable to those for other techniques, validating percutaneous treatment as a solution for acute ACJ dislocations.
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Project description:In this study, we present a deep learning model for fracture classification on shoulder radiographs using a convolutional neural network (CNN). The primary aim was to evaluate the classification performance of the CNN for proximal humeral fractures (PHF) based on the AO/OTA classification system. Secondary objectives included evaluating the model's performance for diaphyseal humerus, clavicle, and scapula fractures. The training dataset consisted of 6,172 examinations, including 2-7 radiographs per examination. The overall area under the curve (AUC) for fracture classification was 0.89, indicating good performance. For PHF classification, 12 out of 16 classes achieved an AUC of 0.90 or greater. Additionally, the CNN model had excellent overall AUC for diaphyseal humerus fractures (0.97), clavicle fractures (0.96), and good AUC for scapula fractures (0.87). Despite the limitations of the study, such as the reliance on ground truth labels provided by students with limited radiographic assessment experience, our findings are in concordance with previous studies, further consolidating CNN as potent fracture classifiers in plain radiographs. The inclusion of multiple radiographs with different views from each examination, as well as the generally unselected nature of the sample, contributed to the overall generalizability of the study. This is the fifth study published by our group on AI in orthopaedic radiographs, which has consistently shown promising results. The next challenge for the orthopaedic research community will be to transfer these results from the research setting into clinical practice. External validation of the CNN model should be conducted in the future before it is considered for use in a clinical setting.
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Project description:Proximal interphalangeal joint (PIPJ) fractures and fracture-dislocations are common hand injuries and recognition of this injury pattern is essential in the management of these fractures. Although a variety of treatment options have been reported in the literature, the optimal treatment remains controversial. MEDLINE, EMBASE, and The Cochrane Library Database were screened for treatment strategies of PIPJ fracture and fracture-dislocation. Demographic data and outcome data were collected and recorded. A total of 37 studies including 471 patients and 480 fingers were reviewed. PIPJ range of motion (ROM) was greatest postoperatively in patients who underwent volar plate arthroplasty at 90.6 degrees. Dynamic external fixation resulted in the lowest PIP joint ROM with an average of 79.7 degrees. Recurrent pain and osteoarthritis were most often reported in extension block pinning at 38.5 and 46.2%, respectively. Open reduction and internal fixation had the highest rate of revision at 19.7%. Overall, the outcomes of PIP fractures and fracture-dislocations are based on the severity of injury, and the necessary treatment required. Closed reduction with percutaneous pinning and volar plate arthroplasty had good clinical and functional outcomes, with the lowest complication rates. Hemi-hamate arthroplasty and dynamic external fixation were utilized in more complex injuries and resulted in the lowest PIPJ ROM. This is a therapeutic, Level III study.
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Project description:The treatment of displaced midshaft clavicle fractures (MCFs) is still controversial. The aims of our study were to evaluate clinical and radiological outcomes and complications of patients with displaced MCFs managed nonoperatively and to identify potential predictive factors of worse clinical outcomes. Seventy-five patients with displaced MCFs were enrolled and treated nonoperatively with a figure-of-eight bandage (F8-B). Initial shortening (IS) and displacement (ID) of fragments were radiographically evaluated at the time of diagnosis and immediately after F8-B application by residual shortening (RS) and displacement (RD). The clavicle shortening ratio was evaluated clinically at last follow-up. Functional outcomes were assessed using Constant (CS), q-DASH, DASH work and DASH sport scores. Cosmetic outcomes and rate of complications were evaluated. Good to very good mid-term clinical results were achieved by using the institutional treatment protocol. Multiple regression identified RS as an independent predictor of shoulder function, while RD affects fracture healing. These findings support the efficacy of our institutional protocol and thus could be useful for orthopedic surgeons during the decision-making process.
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Project description:Locked posterior shoulder dislocations occur relatively uncommonly but pose aunique array of challenges for the treating surgeon. Posterior labral detachments and capsular damage along with reverse Hill-Sachs lesions are commonly present in these patients and must often be addressed at the time of surgical intervention. Multiple open and arthroscopic procedures that address these pathologic lesions have been described. Arthroscopic shoulder stabilization for patients with locked posterior shoulder dislocations for whom significant posterior instability and subluxation persist following closed reduction is described. A specific patient who underwent both arthroscopic posterior stabilization and supplemental advancement of the subscapularis into the reverse Hill-Sachs defect serves as a case example of this technique.
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Project description:Operative fixation for acute displaced midshaft clavicle fractures provides improved functional outcomes and patient satisfaction over nonoperative treatment. Although open reduction and plate fixation is most commonly used, intramedullary fixation produces similar patient outcomes with fewer symptomatic hardware or scar complications. The purpose of this Technical Note is to detail a straightforward and cost-efficient method of intramedullary clavicle fracture fixation using a headless cannulated screw.
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Project description:Clavicle fractures comprise approximately 3% of all adult fractures and there is evidence that the incidence is increasing. Fractures of the lateral and middle third of the clavicle present distinct challenges in both surgical fixation techniques and clinical outcome, as such they should be recognised as separate clinical entities. Despite conflicting evidence, most studies indicate that superior clinical results are found in patients with united clavicle fractures rather than those that go onto non-union. Furthermore there is level-1 evidence that operative treatment of clavicle fractures leads to significantly increased rates of union. Despite these findings, significant controversy still exists on which patients would benefit from primary fixation and those who could successfully be managed non-operatively. We present an evidence-based review of clavicle fracture management including surgical indications, techniques, and results.
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Project description:Objective. Clavicle fractures are common injuries potentially associated with significant perioperative pain. However, this region's complex sensory innervation poses a challenge for regional anesthetic or analgesic (RA) techniques. We conducted this scoping review to summarize the current literature, particularly with regards to motor-sparing techniques. Methods. A scoping review was carried out in accordance with the Joanna Briggs Institute's framework. All articles describing the use of RA for clavicle fractures or surgery were included. PubMed®, Ovid MEDLINE®, EMBASE®, Scopus®, CINAHL®, and the Cochrane database were searched without language restrictions. Results. Database searches identified 845 articles, 44 of which were included in this review, with a combined patient total of 3161. We included all peer-reviewed publications containing clinical data and summarized the findings. Conclusions. Current evidence of RA techniques in clavicle surgery is heterogeneous, with different approaches used to overcome the overlapping sensory innervation. The literature largely comprises case reports/series, with several randomized controlled trials. Intermediate cervical plexus block is the regional technique of choice for clavicle surgery, and can provide reliable surgical anesthesia when combined with an interscalene block. Cervical plexus block can provide motor-sparing analgesia following clavicle surgery. Promising alternatives include the clavipectoral block, which is a novel motor-sparing regional technique. Further studies are required to determine the efficacy and safety of various techniques.
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Project description:Background and purposeTraditionally, clavicle fractures have been treated nonoperatively. However, many recent studies have concentrated on the results of operative treatment. We assessed and compared the outcomes of operative and nonoperative treatment for acute clavicle fractures in adults.MethodsWe performed a systematic search of the medical literature from 1966 until the end of March 2011. We included randomized controlled trials and controlled clinical trials comparing operative and nonoperative treatment and studies comparing different operative and nonoperative treatments. We required that there should be at least 30 adult patients and a follow-up of at least 6 months in each individual trial. We used the GRADE method to assess the quality of evidence.Results6 randomized controlled trials (n = 631) and 7 controlled clinical trials (n = 559) were included. There was moderate-quality evidence (i.e. of grade B) (1) that surgery has considerable effectiveness on better function and less disability at short follow-up, (2) of similar risk of relatively mild complications after operative or nonoperative treatment, (3) that delayed union and nonunion were more common in patients who were treated nonoperatively than in those treated operatively, and (4) that the osteosynthesis method had no effect on the incidence of delayed union or nonunion. Only 1 controlled clinical trial was found on lateral clavicle fractures with very limited (grade D) evidence.InterpretationPatients treated operatively have slightly better function and less disability than those treated nonoperatively at short follow-up, but then the effectiveness diminishes and is weak at 6 months. The different operative techniques may not differ in effectiveness or in adverse effects, but the evidence is very limited or conflicting. Surgery could be considered for active patients who require recovery to the previous level of activity in the shortest possible time.
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Project description:Complex distal clavicle fractures associated with a rupture of the coracoclavicular ligaments (Latarjet fractures) can result in delayed union or nonunion. There is no standard treatment for a clavicle fracture. This report introduces an arthroscopic technique for treating distal clavicle fractures associated with ruptured coracoclavicular ligament using 2 double-button devices. By use of posterior and anterior standard arthroscopic portals, the base of the coracoid process is exposed through the rotator interval. A 4-mm hole is drilled through the clavicle and the coracoid process with a specific ancillary drill guide. The first button is pushed through both holes down the coracoid process. The device is tightened, and the second button is fixed on top of the clavicle, allowing reduction and fixation of the proximal part of the fracture. Then, the undersurface of the lateral clavicle is dissected through standard posterior and lateral subacromial approaches. The inferior clavicle fragment is reduced and fixed to the clavicle body by a double button fixed down and at the top of the clavicle. With this technique, the arthroscopic treatment of distal clavicle fracture has been extended to comminuted fractures.
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