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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
Progression of vascular calcifications is associated with greater bone loss and increased bone fractures
M Naves1, M Rodríguez-García, J B Díaz-López
1Bone and Mineral Research Unit, Instituto Reina Sofía de Investigación, Hospital Universitario Central de Asturias, Universidad de Oviedo, Oviedo, Spain.
Insights
Aortic calcifications increase with age and are linked to osteoporotic fractures. Their progression also correlates with bone mineral density loss in the lumbar spine.
Area of Science:
- Gerontology
- Cardiovascular Health
- Bone Health
Background:
- Osteoporosis and aortic calcification are common in individuals over 50.
- The relationship between abdominal aortic calcification progression and osteoporosis requires further investigation.
Purpose of the Study:
- To analyze the association between abdominal aortic calcification progression and osteoporosis in Spanish men and women over 50.
- To explore the link between aortic calcifications and osteoporotic fractures.
Main Methods:
- Prospective study of 624 men and women aged 50+ followed for 4 years.
- Evaluated thoracic and lumbar spine X-rays, dual X-ray absorptiometry (DXA) of lumbar spine and hip.
- Classified abdominal aortic calcifications as absent, mild-moderate, or severe.
Main Results:
- Aortic calcification prevalence positively correlated with age.
- Severe aortic calcifications were associated with osteoporotic fractures (OR=1.93), particularly vertebral fractures (OR=2.45).
- Aortic calcification progression linked to a faster decline in lumbar spine bone mineral density (BMD).
Conclusions:
- Baseline aortic calcifications are associated with osteoporotic fractures.
- Progression of aortic calcifications correlates with decreased lumbar spine BMD.
Unlabelled:
In this prospective study, we found a positive relationship between the prevalence of aortic calcifications and age. Aortic calcifications at baseline were positively associated with osteoporotic fractures. In addition, progression of aortic calcifications was also positively associated with the rate of decline in BMD at lumbar spine.
Introduction:
The aim of this study was to analyze the relationship between the progression of abdominal aortic calcification and osteoporosis in a Spanish cohort of men and women older than 50.
Methods:
Men and women (n=624) aged 50 and over underwent two lateral X-rays of thoracic and lumbar spine and a dual X-ray absorptiometry (DXA) study at lumbar spine and hip, and were followed during 4 years. Abdominal aortic calcifications were classified as absent, mild-moderate and severe.
Results:
There was a positive relationship between the prevalence of aortic calcifications and age. In both sexes, prevalent severe aortic calcifications were positively associated with prevalent osteoporotic fractures [odds ratio (OR)=1.93 (1.02-3.65)]. The association was stronger when only vertebral fracture was considered [OR=2.45 (1.23-4.87)]. In addition, progression of aortic calcifications showed a positive association with the rate of decline in bone mineral density (BMD) at lumbar spine.
Conclusions:
Aortic calcifications at baseline were positively associated with osteoporotic fractures. The progression of aortic calcifications was also positively associated with the rate of decline in BMD at lumbar spine.
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