Postoperative results of Ogawa type IIB meta-acromion fracture fixation with a 90° twisted reconstruction plate

George A Konstantinidis, Troy Smithers, Thin Foo Hong
Archives of Orthopaedic and Trauma Surgery 2020 January 27

INTRODUCTION: Acromion fractures are rare and difficult to treat. There is no consensus on type of fixation. Due to the rarity of the injury, it is difficult to compare different techniques of osteosynthesis.

OBJECTIVES: The aim of this study was to present the long-term results of an alternative method of plating Ogawa type IIB meta-acromion fractures and to review the literature.

DESIGN: Retrospective study.

MATERIALS AND METHODS: We present a case series of 11 consecutive patients with displaced Ogawa type IIB meta-acromion fracture, treated with open reduction internal fixation using a 3.5-mm contoured pelvic reconstruction plate with a 90° twist. Patients' mean age was 53.3 years (23-80 years) and the mean follow-up was 48.3 months (15 months-9 years). The outcomes related to pain and shoulder function were evaluated by Modified American Shoulder and Elbow Surgeons Score (ASES) and SF-36 score. All patients were asked about their satisfaction level.

RESULTS: Nine out of eleven patients were included in this study. Eight of them obtained union and all were satisfied with the final outcome. The mean ASES and SF-36 score were 69.75 (42.4-98.14) and 61.37 (41.64-94.99), respectively, with poor scores to be largely associated with comorbidities and concomitant injuries.

CONCLUSIONS: The use of 3.5-mm reconstruction plate with a 90° twist for open reduction internal fixation (ORIF) of meta-acromion fractures presents satisfactory results and could be technically a more stable biomechanical construct in comparison to the existing surgical techniques.


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