The diagnostic value of arthroscopy in glenohumeral instability

Mok, D.W.H.; Fogg, Anthony J. B.; Hokan, R.; Bayley, J.I.L.

doi:10.1097/00042752-199104000-00017

Cited by 3 publications

(5 citation statements)

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“…The overall incidence of shoulder dislocation in adults aged between 18 and 70 years was 1.7% in one report and three times more common in male patients [9]. The prevalence of dislocations in patients younger than 21 years is 19.7 in 10,000 for men and 5.01 in 10,000 for women [13]. Anterior shoulder instability can be functional instability, microinstability as well as subluxation or dislocation.…”

Section: Introductionmentioning

confidence: 97%

Arthroscopically Determined Degree of Injury After Shoulder Dislocation Relates to Recurrence Rate

Gutiérrez¹,

Mönckeberg²,

Pinedo³

et al. 2012

Clinical Orthopaedics &Amp; Related Research

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Background The glenohumeral joint is the most mobile articulation in the body and the most commonly dislocated diarthrodial joint with peaks in the incidence of dislocation occurring during the second and sixth decades. Age at the time of the initial dislocation is inversely related to the recurrence rate. Traumatic anterior instability is often associated with intraarticular injuries. The frequency of injuries may increase with dislocation or subluxation episodes. Questions/purposes We compared the frequency of lesions associated with traumatic anterior instability in patients with primary and recurrent instability. Methods We retrospectively reviewed 96 selected patients with traumatic anterior instability treated arthroscopically between 2005 and 2008. Forty-five had arthroscopy after a first episode of dislocation (Group I) and 51 had two or more episodes of instability (Group II). We compared the frequencies and percentage of intraarticular lesions in both groups. Results We observed a Bankart lesion in all patients of both groups. The posterior Bankart lesion was observed more frequently in Group II than in Group I: 47% versus 28%. SLAP lesions were observed in 12% in Group I and 24% in Group II. In 10 patients in Group II, there was an associated rotator cuff tear. Conclusions Patients with recurrent shoulder dislocation had a higher arthroscopic degree of injury. These patients presented more posterior labral lesions, SLAP tears, and rotator cuff pathology than patients with a first episode of shoulder dislocation.

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Section: Introductionmentioning

confidence: 97%

Arthroscopically Determined Degree of Injury After Shoulder Dislocation Relates to Recurrence Rate

Gutiérrez¹,

Mönckeberg²,

Pinedo³

et al. 2012

Clinical Orthopaedics &Amp; Related Research

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“…The origin of the capsular laxity can be congenital or constitutional [ 30 , 41 , 42 ], but it can also be traumatic and acquired, perhaps the most frequent origin being a mix of inherent predisposition and a traumatic component (Fig. 5 ) [ 35 , 37 - 40 , 42 , 43 ]. We have previously noted that the capsule can also have anatomical variations in its insertion that can predispose to instability [ 30 ].…”

Section: Pathophysiology Of Instabilitymentioning

confidence: 99%

Anatomy and Biomechanics of the Unstable Shoulder

Cuéllar¹,

Ibán²,

Cuéllar³

2017

TOORTHJ

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Purpose:To review the anatomy of the shoulder joint and of the physiology of glenohumeral stability is essential to manage correctly shoulder instability.Methods: It was reviewed a large number of recently published research studies related to the shoulder instability that received a higher Level of Evidence grade.Results: It is reviewed the bony anatomy, the anatomy and function of the ligaments that act on this joint, the physiology and physiopathology of glenohumeral instability and the therapeutic implications of the injured structures.Conclusion: This knowledge allows the surgeon to evaluate the possible causes of instability, to assess which are the structures that must be reconstructed and to decide which surgical technique must be performed.

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“…Mok et al [13] und Hintermann u. Gächter [8,9] konnten in ihren Arbeiten zeigen, dass nach arthroskopischer Evaluation von instabilen Schultergelenken häufig die präoperativen und postoperativen Untersuchungsergebnisse bzw. Diagnosen differieren.…”

Section: Diskussionunclassified

“…Mok et al [13] setzten das Vorliegen einer Bankart-Läsion mit einer posttraumatischen Instabilität gleich -ähn-lich wie Matsen [10,11] in seinem Akronym TUBS (Traumatic-UnidirectionalBankart-Lesion-Surgery). Unsere Studie zeigt, dass dies revidiert werden muss.…”

Section: Hill-sachs-läsion Slap-läsion Chondrale Ssp-sehne Glenoidläsunclassified