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- Title
Young men in sports are at highest risk of acromioclavicular joint injuries: a prospective cohort study.
- Authors
Skjaker, Stein Arve; Enger, Martine; Engebretsen, Lars; Brox, Jens Ivar; Bøe, Berte
- Abstract
<bold>Purpose: </bold>To study the incidence of acromioclavicular joint injuries in a general population.<bold>Methods: </bold>All acute shoulder injuries admitted to an orthopaedic emergency department were registered prospectively, using electronic patient records and a patient-reported questionnaire. The regional area was the city of Oslo with 632,990 inhabitants. Patients with symptoms from the acromioclavicular joint without fracture were registered as a dislocation (type II-VI) if the radiologist described widening of the joint space or coracoclavicular distance on standard anteroposterior radiographs. Patients without such findings were diagnosed as sprains (type I).<bold>Results: </bold>Acromioclavicular joint injuries constituted 11% of all shoulder injuries (287 of 2650). The incidence was 45 per 105 person-years (95% confidence interval [CI] 40-51). 196 (68%) were diagnosed as sprains and 91 (32%) as dislocations. Median age of all acromioclavicular joint injuries was 32 years (interquartile range 24-44), and 82% were men. Thirty percent of all acromioclavicular joint injuries were registered in men in their twenties. Sports injuries accounted for 53%, compared to 27% in other shoulder injuries [OR 3.1 (95% CI 2.4-4.0; p < 0.001)]. The most common sports associated with acromioclavicular joint injuries were football (24%), cycling (16%), martial arts (11%), alpine skiing and snowboarding (both 9%), and ice hockey (6%).<bold>Conclusion: </bold>Our study suggests that in the general population, one in ten shoulder injuries involves the acromioclavicular joint and young men in sports are at highest risk. A prognostic level II cohort study.
- Subjects
NORWAY; ACROMIOCLAVICULAR joint; SHOULDER injuries; SHOULDER dislocations; SPORTS injuries; SPRAINS; JOINT hypermobility; DISEASE incidence; RADIOGRAPHY; SEX distribution; LONGITUDINAL method
- Publication
Knee Surgery, Sports Traumatology, Arthroscopy, 2021, Vol 29, Issue 7, p2039
- ISSN
0942-2056
- Publication type
journal article
- DOI
10.1007/s00167-020-05958-x