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Purpose <p>Complete acromioclavicular (AC) dislocation associated with fracture of the coracoid process (CP) is uncommon. The strong coracoclavicular ligaments, instead of rupture, may avulse the CP near its base, and with disruption of the AC joint may allow complete dislocation of the clavicle. We report ten cases, one of the largest series in literature, and reviewed the findings and treatment previous reported cases, to allow potential readers to establish the most appropriate treatment.</p> Methods <p>We have prospectively collected those cases in which we had identified an association of an AC dislocation with a fracture of the CP, as well as retrospectively reviewed the records that were coded as AC dislocations and CP fracture looking for this association in the senior author institutions. A literature search was completed on PubMed, Web of Science and Scholar Google, using a sensitive search strategy.</p> Results <p>We have collected a total of ten patients with the association of a CP fracture to an AC dislocation in a period of twenty-five years. A review of the cases reported in literature shows a great variability in treatment methods from conservative to more surgically in recent years.</p> Conclusions <p>When an AC dislocation is identified by clinical examination and X-rays, one should be aware of a possible fracture of the CP. It is possible this association to be more frequent than shown in literature because of the CP fracture can easily be missed out or mistaken with an unfussed epiphysis in routine anteroposterior radiography. Multiple approaches have been opted for by surgeons to deal with this combined injury and are the basis of this review.</p>

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Acromioclavicular dislocation associated with fracture of the coracoid process: a series of cases and review of the literature

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  • 发表日期：

    2025年2月24日

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  • Andrés Combalia,
  • Maite Combalia,
  • Ernest Muñoz-Mahamud

摘要

Purpose

Complete acromioclavicular (AC) dislocation associated with fracture of the coracoid process (CP) is uncommon. The strong coracoclavicular ligaments, instead of rupture, may avulse the CP near its base, and with disruption of the AC joint may allow complete dislocation of the clavicle. We report ten cases, one of the largest series in literature, and reviewed the findings and treatment previous reported cases, to allow potential readers to establish the most appropriate treatment.

Methods

We have prospectively collected those cases in which we had identified an association of an AC dislocation with a fracture of the CP, as well as retrospectively reviewed the records that were coded as AC dislocations and CP fracture looking for this association in the senior author institutions. A literature search was completed on PubMed, Web of Science and Scholar Google, using a sensitive search strategy.

Results

We have collected a total of ten patients with the association of a CP fracture to an AC dislocation in a period of twenty-five years. A review of the cases reported in literature shows a great variability in treatment methods from conservative to more surgically in recent years.

Conclusions

When an AC dislocation is identified by clinical examination and X-rays, one should be aware of a possible fracture of the CP. It is possible this association to be more frequent than shown in literature because of the CP fracture can easily be missed out or mistaken with an unfussed epiphysis in routine anteroposterior radiography. Multiple approaches have been opted for by surgeons to deal with this combined injury and are the basis of this review.