Rapid Osteoarthritis and Femoral Head Collapse: A Case Series
Abstract
Introduction: Rapidly progressive hip osteoarthritis (OA) leading to femoral head collapse (FHC) following intra-articular (IA) corticosteroid injections is a perplexing variant of OA. We explored eight cases of chronic joint pain treated with IA corticosteroid injections. Subsequently, they experienced swift deterioration of the femoral head integrity within as little as 10 weeks. These cases underscore the need for a comprehensive assessment of risk factors versus benefits in this patient population. Case Report: The study reveals a complex interplay between comorbidities, treatments, and outcomes. Patients exhibited various health factors, including obesity, smoking history, cancer treatment, and deficiencies in Vitamin D levels, which have been found to increase the risk of FHC. Furthermore, the study explores the chondrotoxicity of corticosteroids and local anesthetics used in IA injections. In vitro studies show complete loss of chondrocyte viability after a single dose of corticosteroids, potentially leading to cartilage degradation. In addition, local anesthetics may induce cellular demise and structural alterations in the articular cartilage. These factors highlight various influences affecting treatment outcomes in patients with OA. Conclusion: In conclusion, this case series highlights the rare adverse outcome of rapidly progressive hip OA and FHC following IA corticosteroid injections and possible risk factors. While a definitive etiology remains unclear, the…
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Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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