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Published on: November 8, 2024
Outcomes of non-operatively managed Vancouver Type B1 periprosthetic femur fractures: a multi-center retrospective
Mitchell Crebert1,2, Michael Le3,4,5, Geoff Murphy6
1Department of Orthopaedics, Royal Prince Alfred Hospital, Camperdown, Australia. mitch.crebert@gmail.com.
Background:
This retrospective case series evaluated mortality outcomes in patients with Vancouver B1 periprosthetic fractures (PPFs) managed non-operatively using a matched cohort approach. We hypothesize that mortality rates will not significantly differ between operative and non-operative management of Vancouver B1 PPFs, as treatment decisions are likely driven by fracture complexity and patient comorbidities rather than a direct survival benefit of surgical intervention.
Methods:
Thirty patients with Vancouver B1 PPFs managed non-operatively between 2011 and 2017 across five major Australian trauma centers were identified. Patients were propensity-matched to 60 operatively managed patients, matched by age, ASA score, length of stay, follow-up duration, and fracture sub-type (B1). Mortality rates at 30 days, 1 and 5 years were compared between the non-operative and operatively managed groups. For the non-operative group alone, the impact of weight-bearing status on mortality was assessed.
Results:
There was no significant difference in mortality rates between the non-operative and operative cohorts at 30-day (3.3%; 1.7%; P = 1.00), 1 year (20.0%; 3.3%; P = 0.09) and 5 years (33.3%; 30.0%; P = 0.78). For the non-operative group alone, there was no significant difference in mortality rates between WBAT and non-WBAT groups at 30 days (7.7%; 0.0%; P = 0.400), 1 year (15.4%; 17.6%; P = 0.839) and 5 years (30.8%; 35.3%; P = 0.781), CONCLUSION: Comparable 5-year mortality rates were identified between non-operatively and operatively managed Vancouver Type B1 periprosthetic femoral fractures. Despite differences in age and comorbidities, non-operative management may be a viable option for selected patients, underscoring the need for further research to refine treatment guidelines.
Clinical Trial Number:
Not applicable.
