The Epidemiology, Risk of Recurrence, and Functional Outcome After an Acute Traumatic Posterior Dislocation of the Shoulder

Robinson, C. M.; Seah, Matthew; Akhtar, MA

doi:10.2106/jbjs.j.00973

Cited by 184 publications

(170 citation statements)

References 28 publications

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“…6,7 To date, all reports mention axial forces applied to the shoulder during anterior elevation, horizontal adduction, and mild inner rotation as the causes of posterior dislocation. 4,8,9 However, the dislocation position of RPDS reported here was completely different from those reported to date. The dislocation occurred when the patient forcibly extended and horizontally abducted his arm with internal rotation, without any direct external force being applied to the shoulder joint.…”

Section: Introductioncontrasting

confidence: 97%

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Recurrent posterior dislocation of the shoulder associated with the Buford complex

Nishinaka

Uehara

Tsutsui

2016

Journal of Clinical Orthopaedics and Trauma

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Section: Introductioncontrasting

confidence: 97%

“…[1][2][3][4][5] Here, we report a case of RPDS associated with the Buford complex. The Buford complex is a normal anatomical variant of the anterosuperior part of the glenoid.…”

Section: Introductionmentioning

confidence: 99%

Recurrent posterior dislocation of the shoulder associated with the Buford complex

Nishinaka

Uehara

Tsutsui

2016

Journal of Clinical Orthopaedics and Trauma

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“…The identification of risk factors for musculoskeletal injuries is an ongoing research initiative across many different organizations. A commonly identified risk factor for future injury is a history of previous injury [10][11][12][13][14][15][16][17]. Injury compromises tissue integrity and impairs functional joint stability [22].…”

Section: Discussionmentioning

confidence: 99%

“…Injury prevention strategies focus on improving human capabilities and reducing modifiable risk factors for injury but the number of prospectively identified risk factors for musculoskeletal injuries remains relatively low. Previous injury is frequently cited and may be the most common prospectively determine risk factor for injury in both civilian and military populations regardless of anatomic location, type of injury, or tissue involved [10][11][12][13][14][15][16][17]. The reasoning is likely multifactorial, and the effect on functional joint stability likely plays a prominent role.…”

Section: Introductionmentioning

confidence: 99%

Isokinetic strength of fully operational U.S. Navy Seals with a previous history of shoulder and knee injury

Sell¹,

Clark²,

Abt³

et al. 2016

IES

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Abstract. BACKGROUND:Unintentional musculoskeletal injury has a significant impact on military personnel which is amplified in U.S. Navy Sea, Air, and Land Operators who participate in year round physical and tactical training. Full recovery from injury including restoration of strength is necessary for safe participation in training and performance of missions. Inadequate recovery may predispose the Operator to risk of future injury. OBJECTIVE: The purpose of this study was to examine isokinetic knee and shoulder strength of previously injured Operators who had returned to full duty. METHODS: Two previously injured cohorts, a knee injury group (n = 46) and a shoulder injury group (n = 55), were created from a larger group of Operators (n = 305) who had undergone strength testing. A comparison cohort was also created from each injury group (knee injury control group (n = 77) and shoulder injury control group (n = 121). All participants underwent isokinetic strength testing of their group assigned joint. This included knee flexion/extension strength testing for the knee group and shoulder internal/external rotation strength testing for the shoulder group. Side-to-side comparisons were made within each injury group and to the control group (injured extremity to strongest extremity of the control group). Individual counts within the injured Operators with strength deficits greater than 10% in their injured extremity were also performed. RESULTS: No significant side-to-side or between group differences were observed for the knee injury group. No significant side-to-side or between group differences were observed except for shoulder external rotation strength which was significantly different between groups (p = 0.003). Side-to-side strength deficits greater than 10% were observed in 20 to 25% of the injured Operators. CONCLUSION: The group comparisons demonstrate the effectiveness of the military group's rehabilitation and performance training programs, but continued vigilance and tracking of injured individuals are necessary to insure full recovery and return to duty as a small number of each injured cohort did have strength deficits bilaterally.

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“…In a retrospective review of 120 acute, traumatic, isolated posterior GH dislocations Robinson et al [9] found three factors that were significantly associated with an increased risk of recurrent instability: an age <40 years at the time of original dislocation, dislocation during a seizure and the presence of a reverse Hill-Sachs lesion >1.5 cm 3 . Therefore, if a redislocation occurs, an additional adjunctive stabilisation procedure is recommended.…”

Section: Discussionmentioning

confidence: 99%

Frozen shoulder or missed posterior dislocation?

Leijnen¹

2016

S Afr J SM

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The clinical presentation of a missed posterior shoulder dislocation has similarities with an idiopathic frozen shoulder masking proper diagnosis at the time of injury. We report a case of a 48-year-old woman with shoulder pain which demonstrates the importance of correct initial diagnosis and management. The glenohumeral (GH) joint consists of the humeral head that articulates in the glenoid fossa of the scapula, surrounded by several static and dynamic structures. It is the most mobile joint of the human body which makes it vulnerable to dislocation in all directions. Posterior shoulder dislocation (PSD) is less common than anterior. The rarity of this pathology together with the restrictions of standard view X-rays often leads to the diagnosis being missed. Case reportA 48-year-old woman presented with 4 months of spontaneous progressive pain and limited range of motion of the right shoulder. Her pain was aggravated by movement and impacts, particularly those activities associated with daily living. She was unable to lie on her right side but did not complain of any pain at night. She had no history of trauma although she recently started experiencing episodes of syncope. Further to this, her medical history consisted of hypertension, hypercholesterolaemia, asthma and previous left frozen shoulder.Upon clinical examination she held the right upper limb in internal rotation with the elbow in flexed position. There was diffuse, mild tenderness over the anterolateral side of the shoulder. Range of motion was limited to 5 degrees of passive and active abduction. External rotation was not possible. Other shoulder tests were impossible to implement. X-rays showed normal proportions of the GH joint with the humeral head articulating in the glenoid. On the anterior side of the humeral head a medium sized dent was visible, suggestive of a reverse Hill-Sachs lesion. The differential diagnosis was an overlooked posterior shoulder dislocation or adhesive capsulitis.

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The Epidemiology, Risk of Recurrence, and Functional Outcome After an Acute Traumatic Posterior Dislocation of the Shoulder

Cited by 184 publications

References 28 publications

Recurrent posterior dislocation of the shoulder associated with the Buford complex

Recurrent posterior dislocation of the shoulder associated with the Buford complex

Isokinetic strength of fully operational U.S. Navy Seals with a previous history of shoulder and knee injury

Frozen shoulder or missed posterior dislocation?

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