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. 1996 Mar;34(3):550–553. doi: 10.1128/jcm.34.3.550-553.1996

Evaluation of enzyme immunoassay for detection of salivary antibody to Helicobacter pylori.

A E Simor 1, E Lin 1, F Saibil 1, L Cohen 1, M Louie 1, S Pearen 1, H A Donhoffer 1
PMCID: PMC228844  PMID: 8904412

Abstract

The Helisal test is a quantitative enzyme immunoassay for the measurement of Helicobacter pylori-specific immunoglobulin G antibodies in saliva. This test was evaluated in comparison with culture and histopathologic examination of gastric biopsy specimens obtained from 195 patients who underwent 200 endoscopic procedures for the investigation of gastrointestinal symptoms. Forty-one (21%) patients were found to have peptic ulcer disease, and one other patient had a gastric carcinoma. H. pylori was detected in gastric biopsy specimens obtained from 98 (49%) of the procedures. The sensitivity, specificity, and positive and negative predictive values of the Helisal test were 81, 75, 76, and 80%, respectively. The test was negative for 16 (38%) of the 42 patients with peptic ulcer disease or a gastric malignancy diagnosed at endoscopy. These results suggest that the Helisal assay is only moderately accurate for the detection of H. pylori infection in symptomatic patients.

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Selected References

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