Bone · 2013
Vertebral fractures and abdominal aortic calcification in postmenopausal women. A cohort study.
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El Maghraoui A, Rezqi A, Mounach A, Achemlal L, Bezza A, Dehhaoui M, Ghozlani I
Аннотация
INTRODUCTION: Vertebral fracture assessment (VFA) imaging with a bone densitometer can simultaneously detect prevalent vertebral fractures (VFs) and abdominal aortic calcification (AAC).
OBJECTIVE: To study the relation between the prevalence of VFs using VFA in asymptomatic women and the prevalence and severity of AAC.
DESIGN: This is a cross-sectional study.
SETTINGS: Subjects were recruited in a third care center from asymptomatic women selected from the general population.
PARTICIPANTS: We enrolled 908 post-menopausal women with a mean age of 60.9 years ± 7.7 (50 to 91) with no prior known diagnosis of osteoporosis or taking medication interfering with bone metabolism.
PRIMARY AND SECONDARY OUTCOME MEASURES: Lateral VFA images and scans of the lumbar spine and proximal femur were obtained using a GE Healthcare Lunar Prodigy densitometer. VFs were defined using a combination of Genant semiquantitative (SQ) approach and morphometry. VFA images were scored for AAC using a validated 24 point scale.
RESULTS: VFA images showed that 179 of the participants (19.7%) had at least one grade 2/3 VF, 81% did not have any detectable AAC whereas the prevalence of significant atherosclerotic burden, defined as AAC score of 5 or higher, was 12%. The group of women with 2/3 VFs had a statistically significant higher AAC score and higher proportion of subjects with extended AAC, and lower weight, height, and lumbar spine and hip BMD and T-scores than those without VFA-identified VFs. Multiple regression analysis showed that the presence of grade 2/3 VFs was significantly associated with age, BMI, history of peripheral fracture, AAC score ≥ 5 and densitometric osteoporosis.
CONCLUSION: In post-menopausal women, extended AAC is independently associated with prevalent VFs regardless of age, BMI, history of fractures, and BMD.
OBJECTIVE: To study the relation between the prevalence of VFs using VFA in asymptomatic women and the prevalence and severity of AAC.
DESIGN: This is a cross-sectional study.
SETTINGS: Subjects were recruited in a third care center from asymptomatic women selected from the general population.
PARTICIPANTS: We enrolled 908 post-menopausal women with a mean age of 60.9 years ± 7.7 (50 to 91) with no prior known diagnosis of osteoporosis or taking medication interfering with bone metabolism.
PRIMARY AND SECONDARY OUTCOME MEASURES: Lateral VFA images and scans of the lumbar spine and proximal femur were obtained using a GE Healthcare Lunar Prodigy densitometer. VFs were defined using a combination of Genant semiquantitative (SQ) approach and morphometry. VFA images were scored for AAC using a validated 24 point scale.
RESULTS: VFA images showed that 179 of the participants (19.7%) had at least one grade 2/3 VF, 81% did not have any detectable AAC whereas the prevalence of significant atherosclerotic burden, defined as AAC score of 5 or higher, was 12%. The group of women with 2/3 VFs had a statistically significant higher AAC score and higher proportion of subjects with extended AAC, and lower weight, height, and lumbar spine and hip BMD and T-scores than those without VFA-identified VFs. Multiple regression analysis showed that the presence of grade 2/3 VFs was significantly associated with age, BMI, history of peripheral fracture, AAC score ≥ 5 and densitometric osteoporosis.
CONCLUSION: In post-menopausal women, extended AAC is independently associated with prevalent VFs regardless of age, BMI, history of fractures, and BMD.