How Often Should I Get a Bone Mineral Density Test?
Medical Editor: William C. Shiel Jr., MD, FACP, FACR
This question sounds like it should have an easy answer. After all, a person taking blood pressure medication certainly checks blood pressure readings to adjust the dose of the medicine, right? Unfortunately, repeating bone mineral density tests (called serial bone mineral density testing ) is not that simple. In fact, it's quite controversial. Here are some reasons why. First, the usual rate of decline in bone density in postmenopausal women who are not taking therapy is about 1% per year. This is less than the error of the machine, which is about 3%. So, you wouldn't be able to tell whether a decrease of 2% over a year was "real" or possibly just the error of the machine.
What about the issues in women
already taking osteoporosis therapy?
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