Yang US, Liu BH. Frequency of detectable HBsAg in fluid adherent to the endoscope, gastric juice, and saliva collected during endoscopy in patients positive for HBsAg.
Korean J Intern Med 1986;
1:194-7. [PMID:
3154614 PMCID:
PMC4536710 DOI:
10.3904/kjim.1986.1.2.194]
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Abstract
Gastric juice, saliva, and fluid adherent to the endoscope were collected from 50 patients who were seropositive for hepatitis B surface antigen (HBsAg) during the endoscopic examination of the upper gastrointestinal tract, and examined for HBsAg, using the radioimmunoassay. A positive test was obtained from 42.0% of the saliva samples, in 32.0% of the gastric juice specimens, and in 31.3% of the fluid adherent to the scope. These results should be taken as a warning, that calls for a more careful screening of the patients and disinfection of the endoscope.
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