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The impact of brushing teeth on carbon-14 urea breath test results.

OBJECTIVE: The 14C urea breath test noninvasively detects the presence of the urease-producing bacteria Helicobacter pylori in the stomach. Several sources of errors have been identified to cause false or indeterminate results on the test. The objective of this study was to identify whether brushing...

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Published in:Journal of Nuclear Medicine Technology Vol. 28; no. 3; pp. 162 - 165
Main Authors: Higazy E, Al-Saeedi F, Loutfi I, Heiba S, Kalaoui M, Al-Nakib B, Patty S, Mohammed A, Gopinath S, Mathew M, Hussein A, Samy M, Elgazzar A
Format: research tables/charts Journal Article
Published: Society of Nuclear Medicine Sep2000
Online Access:View this record in EBSCOhost
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      dt: Sep2000
      vid: 28
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      pub: Society of Nuclear Medicine
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        atl: The impact of brushing teeth on carbon-14 urea breath test results.
      aug:
        au:
          Higazy E
          Al-Saeedi F
          Loutfi I
          Heiba S
          Kalaoui M
          Al-Nakib B
          Patty S
          Mohammed A
          Gopinath S
          Mathew M
          Hussein A
          Samy M
          Elgazzar A
        affil: Departments of Nuclear Medicine and Medicine, Kuwait University, Safat, Kuwait
      sug:
        subj:
          Breath Tests
          Toothbrushing
          Helicobacter Infections Diagnosis
          Carbon Diagnostic Use
          Urea Diagnostic Use
          Elements, Radioactive Diagnostic Use
          False Positive Results
          Funding Source
          Human
      ab: OBJECTIVE: The 14C urea breath test noninvasively detects the presence of the urease-producing bacteria Helicobacter pylori in the stomach. Several sources of errors have been identified to cause false or indeterminate results on the test. The objective of this study was to identify whether brushing teeth affects the test results. METHODS: We performed the 14C urea breath test on 168 patients, with breath samples counted at 10 and 20 min after oral administration of 2 microCi (74 kBq) 14C urea. Ninety-four patients brushed their teeth before the test while 74 did not. RESULTS: Thirty-six of the 74 patients (49%) who did not brush their teeth had positive results at 10 min, which became negative at 20 min. None of the 94 patients who brushed their teeth before testing showed this pattern with agreement of results at 10 and 20 min. CONCLUSION: We recommend brushing teeth before the 14C urea breath test since it significantly decreased the ambiguous results of the test in our laboratory.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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