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The Risk Factors for Developing Clustered Vertebral Compression Fractures: A Single-Center Study
Xianze Wang1, Jialin Jiang2, Wenmin Guan3
1Department of Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
Summary
Clustered vertebral compression fractures (C-VCFs) are severe, rare events. Glucocorticoid treatment, recent fracture history, and low trabecular bone score (TBS) are key risk factors for C-VCFs in osteoporosis patients.
Area of Science:
- Orthopedics
- Endocrinology
- Radiology
Background:
- Vertebral compression fractures (VCFs) are common in the elderly.
- Clustered VCFs (C-VCFs) are a rare but severe manifestation of osteoporosis.
- Risk factors for C-VCFs are not well understood.
Purpose of the Study:
- To investigate the clinical characteristics of C-VCFs.
- To identify risk factors for C-VCFs.
- To improve early identification and treatment of C-VCFs.
Main Methods:
- Retrospective review of VCF patients (Jan 2011-Sep 2020).
- C-VCF group defined as >= 4 VCFs within 1 year.
- Paired control group (2:1 ratio) and logistic regression analysis.
Main Results:
- C-VCF patients experienced more severe fractures and pain at uncommon spinal sites.
- Independent risk factors for C-VCFs: glucocorticoid (GC) treatment (HR 12.7), recent fracture history (HR 5.5), and lower trabecular bone score (TBS) (HR 1.6).
- TBS and bone mineral density were predictive in non-GC treated patients.
Conclusions:
- C-VCFs are severe consequences of osteoporosis.
- GC treatment, recent fracture history, and low TBS are unique risk factors for C-VCFs.
- These factors aid in early identification and prevention of C-VCFs.
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