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Published on: July 2, 2021
Cervical Degenerative Myelopathy Is an Unexpected Risk Factor for Hip Fractures
Nicolas Plais1, Adoración Garzón-Alfaro1, Carlos José Carrasco Jiménez2
1Orthopedic Surgery Department, Hospital Universitario San Cecilio.
Study Design:
Cross-sectional study.
Objective:
To assess the potential role of degenerative myelopathy as a risk factor for major fragility fractures in older patients.
Background:
Degenerative cervical myelopathy (DCM) stands as the foremost spinal disorder affecting adults, significantly impacting patients' quality of life. However, it is often underdiagnosed, with its prevalence traditionally considered low (0.06%-0.112%). Despite the rising prevalence of hip fractures with an aging population and the identification of numerous risk factors, DCM is not typically regarded as a primary risk factor for such fractures. In 2015, an American study revealed an unexpectedly high rate of 18% of undiagnosed DCM in patients with hip fractures within a small cohort. We sought to replicate this study in a larger cohort of a European population.
Materials And Methods:
Our cross-sectional study targeted patients older than 65 years with hip fractures and aimed to identify cases of DCM at the time of fracture. Exclusions were made for patients with preexisting DCM diagnoses, neurological disorders, prior cervical surgeries, and instances of high-energy trauma. Comprehensive demographic, clinical, and radiologic data were collected, followed by descriptive and statistical analysis.
Results:
In our study, 147 patients (mean age: 82.9 y) were included. Through a combination of clinical assessment and physical examination, 23 patients (15.6%) were identified as indicative of myelopathy. Confirmation through magnetic resonance imaging led to an estimated overall prevalence of DCM at 10.5%. Logistic regression analysis revealed that the presence of hypertonic reflexes, cervical pain, or cervicobrachialgia were specific and valuable indicators for diagnosing myelopathy.
Conclusion:
This study marks the first investigation of its kind in a European population, highlighting the notably high prevalence of undiagnosed DCM among older patients who have experienced hip fractures. This underscores DCM as a potential risk factor for hip fractures in the elderly, despite its underdiagnosis and undertreatment.
Level Of Evidence:
Level III.
