Πέμπτη 26 Δεκεμβρίου 2019

Bone mineral density measurement combined with vertebral fracture assessment increases diagnosis of osteoporosis in postmenopausal women

Bone mineral density measurement combined with vertebral fracture assessment increases diagnosis of osteoporosis in postmenopausal women:

Abstract



Objective

Osteoporosis is diagnosed based on the results of BMD assessment and/or fragility fractures. Vertebral fracture is the most common fragility fracture. Many vertebral fractures are asymptomatic and are not clinically recognized. Early detection of vertebral fracture may increase diagnosis of osteoporosis. In this study, we performed BMD measurement combined with vertebral fracture assessment (VFA) by DXA for the postmenopausal women receiving the first bone densitometry and studied the impact of VFA on the diagnosis of osteoporosis.




Methods

A total of 502 postmenopausal women were enrolled in our study. Patients’ age was 66.7 ± 9.5 years. All patients had BMD assessment and VFA by dual-energy X-ray absorptiometry. Genant’s semiquantitative assessment was used. The impact of VFA on the diagnosis of osteoporosis was studied. All parameters of groups were compared using the Chi-squared test.




Results

There were 257 patients with T-score ≤−2.5, 202 patients with a T-score between −1 and − 2.5, and 43 patients with BMD within the normal range. There were 162 patients with 345 fractured vertebrae identified by VFA, among which 84% of patients were previously unknown. Osteoporosis or severe osteoporosis was presented in 51.2% patients diagnosed by BMD alone, in 55.2% patients diagnosed by BMD plus fracture history, and in 62.4% of patients diagnosed by BMD plus fracture history and VFA. Severe osteoporosis significantly increased by 17.2% in patients receiving VFA.




Conclusions

VFA combined with BMD can detect previously unknown vertebral fractures and increase clinical diagnosis of osteoporosis. It is plausible to speculate that this method should be considered in postmenopausal women for the first BMD assessment.

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