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2026, Number P5

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Acta Med 2026; 24 (P5)

COVID-19 and corticosteroids as a risk factors for avascular necrosis of the hip: a retrospective study at Angeles Mocel Hospital

Martínez LSZ, Alcántara PGA, García MJM, Becerril PM, Cruz HA
Full text How to cite this article

Language: Spanish
References: 10
Page: 538-542
PDF size: 444.78 Kb.


Key words:

avascular necrosis, hip, COVID-19.

ABSTRACT

Introduction: avascular necrosis (AVN) of the hip is a degenerative condition resulting from alterations in the intraosseous blood supply. Since the COVID-19 pandemic and the widespread use of corticosteroids, an increase in AVN cases has been observed, even among patients without previous risk factors. Proposed mechanisms include systemic inflammation, vasculitis, and hypercoagulability. This situation has raised concern regarding the relationship between steroid therapy and the development of AVN, making it necessary to study this association in the Mexican population. Material and methods: between January 2020 and June 2025, 11 patients with hip AVN were studied at Hospital Angeles Mocel. Results: a total of 81.8% had a history of COVID-19, and 72.7% received corticosteroids. Unilateral involvement predominated, mainly grade II–III, with an average symptom onset of 12 months post-COVID; 54.5% underwent total hip arthroplasty and 27.3% underwent core decompression. Conclusion: a significant association (p‹ 0.028) was found between a history of COVID-19 and the development of hip AVN in patients treated with corticosteroids. Clinical and radiological follow-up during the first year post-infection is recommended.


REFERENCES

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Acta Med. 2026;24