Thirty-day mortality and reliability of Nottingham Hip Fracture Score in patients with COVID19 infection

Adam Fell, Khalid Malik-Tabassum, Stephen Rickman, Georgios Arealis, Adam Fell, Khalid Malik-Tabassum, Stephen Rickman, Georgios Arealis

Abstract

In March 2020 Coronavisus-19 pandemic led to significant changes in operations in healthcare in the United Kingdom with national lockdown measures imposed to help protect the vulnerable and prevent transmission. Those deemed vulnerable fall into the cohort of patients at risk of fragility fractures such as fracture neck of femur (NOF). British Orthopaedic Association released guidelines advising that NOF fractures should continue to be treated urgently.

Aim: Our unit aimed to identify changes in NOF caseload during the national lockdown and identify if Nottingham Hip Fracture Scores (NHFS) were reliable at predicting 30-day mortality in COVID-19 positive patients.

Methods: A retrospective observational study identifying NOF admissions over a 6-week period in 2020 during lockdown period, where demographics, NHFS, and 30-day mortality rates were compared against the same period in 2019.

Results: There was a reduction in NOF admissions by 17.8% (55 vs 67). No significant difference in patient demographics between groups. 30-day mortality rates were not significantly increased in 2020 compared with 2019. COVID-19 positive patients had significantly increased 30-day mortality rates (54%, p = 0.001) compared to COVID-19 negative (9.1%, p = 0.395) and 2019 (6%).

Discussion: NHFS was not reliable as a predictor for 30-day mortality in COVID-19 positive patients. Our unit reports increased mortality rates in NOF patients with covid-19 infection. This adds to the building evidence that COVID-19 is an independent predictor for mortality in NOF patients irrespective of NHFS. This should be communicated to patients who are admitted to hospital with NOF and units should continue with efforts to prevent hospital acquired COVID-19 infection.

Keywords: COVID-19; Coronavirus; Hip fracture; Mortality; Neck of femur fracture.

Conflict of interest statement

All Authors have no fianancial or institutional conflicts of interest to declare.

© 2021 Professor P K Surendran Memorial Education Foundation. Published by Elsevier B.V. All rights reserved.

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Source: PubMed

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