Bone resorption tests are simple urine tests, which can
help determine if you are currently losing bone. These tests are
also helpful to see if your current bone-building program is effective.
As bone is broken down certain bone protein by-products are excreted
in the urine. Measurement of the amount of these bone breakdown
by-products can determine your rate of bone breakdown. A high rate
of bone breakdown is strongly suggestive of current, on-going bone
loss and a greater risk for osteoporotic fracture.
The two most widely used bone resorption tests are the Deoxypyridinoline
Crosslinks (known as Dpd) and the N-telopeptides (known as NTx)
Both are simple tests done on a second morning urine sample. Your
physician can order either of these bone resorption tests. Also,
consumers can order the Dpd bone resorption test directly from Metamatrix
Labs at, 1-800-221-4640, and also at www.nubasix.com.
For information on exact procedures for collecting your second morning
urine sample see Resources
for Clients on Dr. Brown's personal website
susanbrownphd.com.
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