Disorders of Mineral and Bone Metabolism in Patients with Crohn's Disease
Crohn's disease is known to produce malabsorption of calcium and vitamin D which affect the skeleton. A variety of techniques were used to assess the prevalence of mineral and bone abnormalities in 53 consecutive patients with Crohn's disease. Twenty healthy controls were compared with 28...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
1987-01-01
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| Series: | Canadian Journal of Gastroenterology |
| Online Access: | http://dx.doi.org/10.1155/1987/613046 |
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| Summary: | Crohn's disease is known to produce malabsorption of calcium and
vitamin D which affect the skeleton. A variety of techniques were used to assess the
prevalence of mineral and bone abnormalities in 53 consecutive patients with Crohn's
disease. Twenty healthy controls were compared with 28 men and 25 women with
Crohn's disease. In males, the mean corrected serum calcium concentration was
elevated, the mean winter plasma 25-hydroxyvitamin D was low, as was the bone
volume on biopsy and the fractional absorption of {7Ca. In females, the corrected
serum calcium was also higher than in controls, as was the serum alkaline phosphatase
activity. The female patients had significant decreases in both summer and
winter plasma vitamin D levels, metacarpal cortical thickness and fractional absorption
of 47Ca. The disturbances in bone and mineral metabolism were generally mild
and were not associated with use of glucocorticosteroids but were more severe in
patients with a history of bowel resection. Thus, patients with Crohn's disease are at
risk of developing metabolic bone disease and consideration should be given for an
assessment of the skeleton in patients with Crohn's disease. especially in women and
in patients with previous ilea! resection. A battery of tests may be needed to exclude
the diagnosis of metabolic bone disease but a 25-hydroxyvitamin D assay and hand
x·rays using industrial grade film are recommended as a valuable preliminary
assessment. |
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| ISSN: | 0835-7900 |