scholarly journals Acute Traumatic Posterior Shoulder Dislocation With Greater Tuberosity Fracture

2020 ◽  
Vol 8 (5_suppl5) ◽  
pp. 2325967120S0008
Author(s):  
S Zufahrizzat ◽  
MY Nuruddin ◽  
O Saifudin ◽  
A Rauf
Keyword(s):  
Humeral Head ◽  
Shoulder Dislocation ◽  
Functional Disability ◽  
Posterior Dislocation ◽  
Fracture Dislocation ◽  
Light Bulb ◽  
Posterior Shoulder Dislocation ◽  
Greater Tuberosity ◽  
Greater Tuberosity Fracture ◽  
Posterior Shoulder

INTRODUCTION: Posterior shoulder dislocation is a rare injury and represents 2-5% of all shoulder dislocation cases. Even less frequent , posterior fracture-dislocation represents 0.9 % of shoulder fracture dislocation. Mechanism of injury include a traumatic event with axial loading of the adducted , internally rotated arm or more commonly from violent muscle contraction following a seizure or electrocution injury. Delays in diagnosis it are common, estimating 50 % are missed and it can lead to chronic pain, stiffness and long-term functional disability. METHOD: A 44 years old male was brought to our emergency department following road traffic accident. He was riding a motorcycle when he was hit by car from the left side. He complained of severe pain and functional disability of his left shoulder. Radiographs revealed posterior shoulder dislocation (light bulb sign) with quiry greater tuberosity (GT) fracture. CT scan was performed to assess fracture displacement. U slab was then applied, and the patient was taken to operation theatre after a routine blood investigations. RESULT: The patient was placed in semi beach position under general anesthesia. Incision was made via transdeltoid approach. Intraoperatively, posterior dislocation of the humeral head was confirmed. GT fragment size 2.7 cm x 1.6 cmwas indentified and reduced with temporary Kirschner-wires. The reduction was confirmed under image guidance and final fixation achieved with two partially threaded 4.0 mm cannulated screws. The shoulder was then immobilized with a sling 2 weeks subsequently pendulum exercise and progressive range of motion exercise was started. DISCUSSION: Inadequate radiograph including axillary view and poor physical examination are the main factors of misdiagnosis.The physicalfindings that may present are shoulder locked in an internally rotated posititon with limited external rotation , prominent posterior shoulder and coracoid . Radiograph will showing positive rim sign , absence of the half-moon overlap , light-bulb sign, and the trough line. A delay in diagnosis and treatment of posterior shoulder dislocation or fracture-dislocation has increased risks of nonunion, subsequent humeral head collapse, avascular necrosis and post-traumatic arthritis. CONCLUSION: Posterior dislocation of shoulder associated with greater tuberosity fracture is a rare and frequently missed injury. A thorough clinical and radiographic evaluation should avoid the missed diagnosis. REFERENCES: Figueiredo A et al Posterior fracturedislocation of the shoulder: An often unrecognized traumatic injury Orthopedics, Traumatology and Sports Med Int Journal (2018) 1 :8-11

scholarly journals A Modified Reverse Remplissage Procedure for Management of a Locked Posterior Shoulder Dislocation

2020 ◽  
Vol 2020 ◽  
pp. 1-5
Author(s):  
Xavier Zwiebel ◽  
Stéphane Pelet ◽  
Alexandre Leclerc
Keyword(s):  
Surgical Management ◽  
Humeral Head ◽  
Shoulder Dislocation ◽  
Open Reduction ◽  
Posterior Dislocation ◽  
Subscapularis Tendon ◽  
Functional Level ◽  
Posterior Shoulder Dislocation ◽  
Locked Posterior Shoulder Dislocation ◽  
Posterior Shoulder

Posterior shoulder dislocation is rare and often represents a diagnostic and therapeutic challenge. An impaction fracture of the anteroinferior aspect of the humeral head (called a reverse Hill-Sachs (RHS) fracture) is always present in case of chronic locked posterior dislocation. Surgical management is required and decided on the delay between the trauma and the diagnosis and the importance of the RHS (in percentage). The authors present a chronic locked posterior shoulder dislocation in a 32-year-old active male with a reverse Hill-Sachs lesion of more than 40%. An open reduction was required, and stabilization was achieved with a modified remplissage technique with detachment of the upper quarter of the subscapularis tendon. Three years after the surgery, the patient recovered an excellent functional level with a stable shoulder.

scholarly journals The Veil of Obscuration: Additional Radiographic Sign of Posterior Shoulder Dislocation

2018 ◽  
Vol 47 (2) ◽  
pp. 165
Author(s):  
Lana Hirai Gimber ◽  
Mihra S. Taljanovic ◽  
Zachary A. Rockov ◽  
Elizabeth A. Krupinski ◽  
Tyson S. Chadaz ◽  
...  
Keyword(s):  
Humeral Head ◽  
Shoulder Dislocation ◽  
Glenohumeral Joint ◽  
Posterior Shoulder Dislocation ◽  
Chi Square ◽  
Lesser Tuberosity ◽  
Radiographic Sign ◽  
Posterior Shoulder ◽  
Significant Difference ◽  
The Veil

<p><strong>Objective.</strong> To describe a new radiographic sign, “veil of obscuration”, associated with posterior glenohumeral joint (shoulder) dislocations and determine its incidence and validity compared to other known classic radiographic signs.</p><p><strong>Methods.</strong> Four-year retrospective study identified 30 acute posterior shoulder dislocation patients. Radiographs reviewed in consensus by 2 musculoskeletal radiologists for the “veil of obscuration”, seen on AP shoulder radiographs and representing a comminuted fracture of the lesser tuberosity projecting over the humeral head or glenohumeral joint. Incidence of this radiographic sign of posterior glenohumeral joint dislocation in addition to other previously described classic radiographic signs, and association with other fractures, surgery, and mechanism of injury were evaluated. Continuous data was analysed with student t-test and categorical data with Chi-Square test.</p><p><strong>Results. </strong>There were 20 right and 10 left posterior shoulder dislocations. Majority of injuries resulted from vehicle crash (44%). In most cases, reverse Hill-Sachs lesion (83%) and fixed internal rotation of the humeral head (76%) were present, followed by trough line (43%) and “veil of obscuration” (40%). Trough line was seen in significantly more major trauma and vehicle crashes (78% and 46%; P=0.015), while “veil of obscuration” was seen in more seizures (86%; P=0.037) and in all surgical patients.  No significant difference in presence of other classic radiographic signs in regards to surgery.</p><p><strong>Conclusion. </strong>The newly described radiographic sign of posterior shoulder dislocations named the “veil of obscuration” has comparable incidence as other classic radiographic signs and may be useful in the recognition and diagnosis of these injuries.</p>

Traumatic bilateral posterior dislocation of the shoulder: a case report

Open Medicine ◽  
2013 ◽  
Vol 8 (6) ◽  
pp. 810-813
Author(s):  
C. Garving ◽  
T. Dienstknecht ◽  
K. Horst ◽  
M. Pishnamaz ◽  
P. Kobbe ◽  
...  
Keyword(s):  
Range Of Motion ◽  
Shoulder Dislocation ◽  
Limited Range ◽  
Clinical Suspicion ◽  
Posterior Dislocation ◽  
X Rays ◽  
Posterior Shoulder Dislocation ◽  
Limited Range Of Motion ◽  
Posterior Shoulder ◽  
Bilateral Posterior Shoulder Dislocation

AbstractIntroduction. Bilateral posterior dislocation of the shoulder is a rare injury, accounted for about 2–5% of all shoulder dislocations. Main courses are electrical shock, epilepsy or extreme trauma with uncontrolled muscle forces. We report about a case of bilateral posterior shoulder dislocation without additional fractures but with a concomitant acromioclavicular joint dislocation. Case presentation. A 46-year-old Caucasian motorcyclist presented to our facility after a fall on slippery ground. He claimed pain in both shoulders with limited range of motion. The initial X-rays were inconclusive, clinical examination showed typical findings of a Rockwood injury with an additional limited external rotation so that a posterior shoulder dislocation was suspected. The CT scan confirmed the clinical suspicion. A closed reduction was performed followed by immobilization in a shoulder abduction pillow for 4 weeks and continuous physiotherapy. Upon follow up normal function with full range of motion was observed. Conclusion. A bilateral posterior shoulder dislocation can be caused by trauma and results in a limited range of motion with often additional injuries. Due to the unusually presentation the risk of missing the injury is increased. Therefore it is most important to consider this rare diagnosis and in case of clinical suspicion perform a careful algorithm of diagnostic.

scholarly journals Mid-Term outcomes following fresh-frozen humeral head osteochondral allograft reconstruction for reverse Hill Sachs lesion: a case series

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Giulio Maria Marcheggiani Muccioli ◽  
Vito Gaetano Rinaldi ◽  
Giada Lullini ◽  
Alice Ritali ◽  
Massimiliano Mosca ◽  
...  
Keyword(s):  
Humeral Head ◽  
Shoulder Dislocation ◽  
Case Series ◽  
Posterior Shoulder Dislocation ◽  
Link Type ◽  
Locked Posterior Shoulder Dislocation ◽  
Posterior Shoulder ◽  
Fresh Frozen ◽  
The Mean ◽  
Osteochondral Allografts

Abstract Background Locked posterior glenohumeral dislocations with a reverse Hill-Sachs impaction fracture involving less than 30% of the humeral head are most frequently treated with lesser tuberosity transfer into the defect, whereas those involving more than 50% undergo humeral head arthroplasty. Reconstruction of the defect with segmental femoral osteochondral allografts has been proposed to treat patients between these two ranges, but the medium−/long-term outcomes of this joint-preserving procedure are controversial. Methods Between 2001 and 2018, 12 consecutive patients with a unilateral locked posterior shoulder dislocation and an impaction fracture from 30 to 50% (mean 31% ± 1.32) of the humeral head were treated with segmental reconstruction of the defect with fresh-frozen humeral head osteochondral allografts. Patients were assessed clinically, radiographically and with computed tomography (CT) at a medium follow-up of 66 ± 50.25 months (range, 24–225). Results All twelve shoulders presented a slight limitation in anterior elevation (average, 166.6° ± 22.76). The mean active external rotation with the shoulder at 90° of abduction was 82.5° ± 6.61, and that with the arm held in stable adduction was 79.16 ± 18.80. The mean abduction was 156.25° ± 25.09. The mean Constant-Murley score (CS) was 82 ± 15.09 points (range, 40–97 points), and the mean ASES was 94 ± 8.49 points. The mean pre- and postoperatively Western Ontario Shoulder Instability index (WOSI) was 236.5 ± 227.9 and 11.20 ± 10.85, respectively. Development of osteoarthrosis (OA) was minimal. The average allograft resorption rate was 4% ± 2.4. There were no cases of failure (reoperation for any reason) in this series. Conclusion Segmental humeral head reconstruction with humeral head fresh-frozen osteochondral allografts provides good to excellent clinical results with low-grade OA and low allograft resorption in patients with locked posterior shoulder dislocation. Trial registration ClinicalTrials.gov PRS, ClinicalTrials.gov ID: NCT04823455. Registered 29 March 2021 - Retrospectively registered, https://register.clinicaltrials.gov/prs/app/action/SelectProtocol?sid=S000AU8P&selectaction=Edit&uid=U0004J36&ts=12&cx=6cykp8 Level of evidence Level IV, Case Series, Treatment Study.

scholarly journals Frozen shoulder or missed posterior dislocation?

2016 ◽  
Vol 27 (2) ◽  
pp. 58
Author(s):  
D Leijnen
Keyword(s):  
Shoulder Pain ◽  
Shoulder Dislocation ◽  
Clinical Presentation ◽  
Frozen Shoulder ◽  
Posterior Dislocation ◽  
Posterior Shoulder Dislocation ◽  
Diagnosis And Management ◽  
Posterior Shoulder

The clinical presentation of a missed posterior shoulder dislocation has similarities with an idiopathic frozen shoulder masking properdiagnosis at the time of injury. We report a case of a 48-year-old woman with shoulder pain which demonstrates the importance of correctinitial diagnosis and management.

scholarly journals A surge in neglected shoulder dislocations and delayed surgical management due to the coronavirus disease 2019 lockdown in India

2021 ◽  
Vol 24 (4) ◽  
pp. 265-271
Author(s):  
Dipit Sahu ◽  
Arun Gupta ◽  
Samarjit S. Bansal
Keyword(s):  
Surgical Management ◽  
Shoulder Dislocation ◽  
Proximal Humerus ◽  
Fracture Dislocation ◽  
Anterior Shoulder Dislocation ◽  
Greater Tuberosity ◽  
Greater Tuberosity Fracture ◽  
Travel Restrictions

Four patients with shoulder problems that were traumatic in etiology presented to us with delays in seeking care ranging from 6 to 12 weeks due to the coronavirus disease 2019 (COVID-19) lockdown. The care of three cases (a 3-month-old neglected anterior shoulder dislocation with a greater tuberosity fracture in a 30-year old man, a 3-month-old neglected anterior shoulder dislocation in a 17-year old boy, and a 2-month-old neglected greater tuberosity fracture in a 31-year old man) was delayed due to the lockdown and the ensuing travel restrictions, while that of one case (a 6-week-old fracture–dislocation of the proximal humerus in a 55-year-old woman) was delayed because the patient was undergoing treatment for COVID-19 at the time of injury. This report intends to present the exceptional circumstances around these cases. The unique treatment challenges and their outcomes are also described to advise the surgeons of the nuances and difficulties in treating these injuries.

Joint Preserving Treatment of Chronic Locked Posterior Shoulder Dislocation by Means of Combined Humeral Allograft Reconstruction and Posterior Glenoid Autograft Augmentation

2021 ◽  
Author(s):  
Katja Rüttershoff ◽  
Doruk Akgün ◽  
Philipp Moroder
Keyword(s):  
Shoulder Arthroplasty ◽  
Humeral Head ◽  
Shoulder Dislocation ◽  
Iliac Crest ◽  
Young Patients ◽  
Posterior Shoulder Dislocation ◽  
Allograft Reconstruction ◽  
Locked Posterior Shoulder Dislocation ◽  
Posterior Shoulder ◽  
Fresh Frozen

AbstractChronic locked posterior shoulder dislocations are challenging to treat and often warrant total shoulder arthroplasty. While joint preserving treatment is preferable in young patients, surgical techniques to treat this pathology have rarely been described in the literature. This technical note presents the treatment of a 30-year-old male patient with a chronic locked posterior shoulder dislocation by means of combined humeral allograft reconstruction and posterior glenoid autograft augmentation. Restoration of the spheric humeral head surface was obtained using a fresh-frozen femoral allograft fixed with two reabsorbable screws. Due to the intraoperatively persistent posterior instability after humeral reconstruction, the posterior glenoid was augmented with a tricortical iliac crest autograft, which was fixed with two metal screws. This treatment strategy resulted in a full range of motion and a centered stable shoulder joint at one-year follow-up. Therefore, the procedure of segmental reconstruction of the humeral head with a fresh-frozen allograft combined with a posterior glenoid augmentation with an iliac crest bone autograft is a joint-preserving treatment alternative to shoulder arthroplasty in young patients when humeral head reconstruction alone does not suffice.

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