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guaiac |
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guaiac /guai·ac/ (gwi´ak) a resin from the wood of trees of the genus Guajacum, used as a reagent and formerly in treatment of rheumatism. guaiac [gwī′ak] a wood resin, formerly used as a reagent in laboratory tests for the presence of occult blood. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Several research groups have reported occult bleeding in marathon runners, using pre-and post-race stool guaiac testing with the prevalence of blood in post-race specimens ranging from 8 to 30%(7). In addition, Medicare reimbursement rates awarded immunochemical fecal occult blood tests over the current Guaiac based fecal occult blood tests are significantly higher since they have no dietary or medicinal restrictions and exhibit higher clinical sensitivity. As is the case in the general population, only 25% of Medicare beneficiaries are screened each year with traditional guaiac fecal occult blood tests (FOBTs), compared wit h much higher rates for other regular cancer screening tests such as mammography (75%) or Pap smear testing (66%). |
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