Bony Bankart is a positive predictive factor after primary shoulder dislocation

It would be a great advantage if it were possible to categorise the patients with first time dislocations to an initial treatment with the most beneficial outcome. MRI could be a useful method for finding lesions after shoulder dislocation. Fifty-eight patients with traumatic anterior shoulder dislo...

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Bibliographic Details
Published in:	Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA Vol. 18; no. 10; pp. 1425 - 1431
Main Authors:	Salomonsson, Björn, von Heine, Anders, Dahlborn, Mats, Abbaszadegan, Hassan, Ahlström, Susanne, Dalén, Nils, Lillkrona, Ulf
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer-Verlag 01-10-2010 Springer Nature B.V
Subjects:	Adult Age Factors Aged Analysis of Variance Arthrography - methods Arthroscopy - methods Chi-Square Distribution Cohort Studies Dislocations Female Follow-Up Studies Fractures Fractures, Bone - pathology Humans Injury Severity Score Joint Instability - etiology Joint Instability - prevention & control Joints Magnetic Resonance Imaging - methods Male Medicin och hälsovetenskap Medicine Medicine & Public Health Middle Aged Orthopedics Patients Postoperative Complications - diagnosis Predictive Value of Tests Preoperative Care - methods Reconstructive Surgical Procedures - methods Recurrence Retrospective Studies Risk Assessment scoring Shoulder Shoulder Dislocation - diagnosis Shoulder Dislocation - pathology Shoulder Dislocation - surgery Shoulders Sports Stability Surgery Time Factors Treatment Outcome Young Adult Shoulder instability Shoulder instability MRI Bony Bankart Primary shoulder dislocation
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Summary:	It would be a great advantage if it were possible to categorise the patients with first time dislocations to an initial treatment with the most beneficial outcome. MRI could be a useful method for finding lesions after shoulder dislocation. Fifty-eight patients with traumatic anterior shoulder dislocation were treated by closed reduction and were examined by MRI after a maximum of 2 weeks. The hemarthrosis or effusion present in the joint after the primary dislocation could be used as a contrast for arthrography to identify the lesions present on MRI. At follow-up more than 8 years later, the MRI findings were compared to the shoulder function, shoulder stability, Rowe score and Western Ontario Shoulder Instability Index (WOSI). Besides the age of the patient being above 30, the MRI findings analysed showed that an isolated fracture of the major tubercle, as well as a bony Bankart lesion are prognostic factors for a good functional result and a stable shoulder after a primary dislocation. The glenoid rim fracture was only detected on plain radiographs in 6 out of 10 findings on MRI. MRI findings of a gleniod rim fracture, equal to a bony Bankart lesion, were found to be a prognostic factor for stability and a good functional outcome.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Article-2 ObjectType-Feature-1
ISSN:	0942-2056 1433-7347 1433-7347
DOI:	10.1007/s00167-009-0998-3