|LOW VITAMIN D = MORE HIP FRACTURES|
Women with low levels of vitamin D have an increased risk of hip fracture, according to a study led by the University of Pittsburgh Graduate School of Public Health presented at the 29th annual meeting (week of 9/20/07) of the American Society for Bone and Mineral Research
Dr. Jane Cauley and colleagues evaluated patient information on 400 women enrolled in the Women's Health Initiative Observational Study Cohort who had experienced hip fracture, confirmed by their medical record, over a median of 7.1 years. Blood levels of 25 hydroxyvitamin D were measured for these patients and compared with those of a control group matched for age, race, ethnicity and the date of relevant blood work. As vitamin D concentrations decreased, the risk of hip fractures climbed.
"The risk of hip fractures was 77% higher among women whose 25 hydroxyvitamin D levels were at the lowest concentrations," said Dr. Cauley, who has spent much of the past 15 years investigating the physical changes that take place in postmenopausal women. "This effect persisted even when we adjusted for other risk factors such as body mass index, family history of hip fracture, smoking, alcohol use and calcium and vitamin D intake."
Many studies lump together calcium and Vit. D when looking at the rate of bone fractures in post-menopausal women. Calcium is almost always focused on to the exclusion of Vitamin D. It's good to see this trend reversed. Optimum levels of Vitamin D are necessary to prevent osteoporosis. The Vitamin D test is a lot cheaper than a DEXA scan and does not require exposure to radiation. This test should be as common as cholesterol testing. The results would be a lot more useful and correctable.
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