A review of outcomes after operative fixation of clavicular fractures over a 10-year period-a single tertiary trauma unit experience.

Background: Early definitive fixation of clavicular fractures is rising in popularity when compared with conservative management. Despite this, the relative risk of subsequent hardware removal or revision surgery is relatively undocumented in the literature. The aim of this study was to review all clavicle fractures treated operatively in a single tertiary referral trauma unit and determine the true incidence of hardware removal and revision rates among this cohort.

Methods: A retrospective electronic review was performed in a single tertiary trauma unit for all open reduction internal fixation of clavicle fractures over 10 years (2010-2019 inclusive). All patients were cross referenced for hardware removal during the same period. Patients identified as having undergone ORIF clavicle were reviewed via the National Integrated Medical Imaging System to identify the fracture pattern, fixation method, radiographic nonunion, or radiographic malunion. Age, gender, time from injury to fixation, and time from insertion to removal of hardware where relevant were also collected.

Results: Over the 10-year period from 2010 to 2019, 352 patients underwent ORIF of clavicular fractures. After application of inclusion and exclusion criteria, 346 patients (76% male and 24% female) were analyzed with a mean age of 34.46 years old (95% confidence interval [33.02-35.91]). In total, 54 (15.6%) patients underwent removal of hardware. When fracture type and fixation method were accounted for, only 11% of plate fixations for mid-shaft fractures (n = 29) were removed, whereas 76% of clavicular hook plates for distal fractures (n = 25) underwent removal ( < .001). No distal clavicle fractures treated with locking plates underwent removal (n = 23). Women were almost 3 times more likely to undergo removal of hardware than men (28.6% vs. 11.5%,  < .001). Seven patients (2%) underwent revision ORIF in the 10-year period for nonunion (n = 3), malunion (n = 2), and failure of fixation (n = 2). The mean follow-up time was 1 year (366 days) for those who underwent subsequent surgery and 5.7 years (2087 days) for those who did not.

Conclusion: Clavicular fracture fixation using either locking or hook plates is a safe method of treatment with a very low reoperation rate for either hardware removal or revision. Women are more likely to request plate removal. Distal locking plates are a safe alternative to hook plates for distal one-third clavicle fractures with lower reoperation rates. Newer techniques are emerging for the management of distal fractures such as tight rope fixation and locking plates which also appear to be successful.