The Forgotten Hip Fracture: Outcomes Of Lower Limb Periprosthetic Fractures

Abstract

Introduction: There is an increasing prevalence of primary hip fractures and peri-prosthetic hip and knee fractures. There is uncertainty about how best to manage peri-prosthetic fractures, and they do not attract the same financial incentives and management guidelines. Methods: A retrospective review of medical records was performed at a large academic teaching hospital between October 2014 and September 2016. Seventy-three patients who sustained periprosthetic fractures of the hip and knee were identified. These were compared with outcomes for the hospital recorded on the National Hip Fracture Database. Results: There were difference in the baseline characteristics between the two groups, with PPF patients having a younger age, lower frailty score and being more likely to be female. There were lower rates of pre-operative assessments for the PPF group. Given the differences in baseline characteristics, their post-operative scores could not be reliably statistically compared. Discussion: Patients with PPFs may have different characteristics and outcomes to patients presenting with primary hip and knee fractures. More work is needed to better characterise this patient group. Conclusion: patients sustaining periprosthetic fractures represent a distinct patient group to those with primary hip fractures.

Competing Interest Statement

The authors have declared no competing interest.

Funding Statement

This study did not receive any funding

Author Declarations

I confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained.

Yes

The details of the IRB/oversight body that provided approval or exemption for the research described are given below:

Clinical Governance Leads, Department of Orthopaedics, Cambridge University Hospitals, gave ethical approval for this work. It was registered as a clinical audit using anonymized retrospective patient data. Data obtained in this is part of the routine auditing processes for every hospital in the UK, and is used in the annual UK National Hip Fracture Database Reports.

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Yes

I understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance).

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I have followed all appropriate research reporting guidelines and uploaded the relevant EQUATOR Network research reporting checklist(s) and other pertinent material as supplementary files, if applicable.

Yes

Data Availability

All data produced in the present study are available upon reasonable request to the authors.

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