Clinica chimica acta; international journal of clinical chemistry · 2002
Diagnosis of gastritis by means of a combination of serological analyses.
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Mårdh Erik, Mårdh Sven, Mårdh Bibbi, Borch Kurt
Аннотация
BACKGROUND: Gastroscopy and examination of biopsy is normally required for diagnosis of gastritis. This is costly and inconvenient for the patient, and there is a need for a simple pregastroscopic screening method to reduce the endoscopy workload. Our aim was to develop a serological screening test for gastritis.
METHODS: Sera from subjects examined with gastroscopy and biopsy were analyzed for H,K-ATPase antibodies, Helicobacter pylori antibodies and pepsinogen I. The diagnoses were normal gastric mucosa (n=50), duodenal ulcer (n=53) and atrophic corpus gastritis, with (n=50) or without pernicious anemia (n=46).
RESULTS: An evaluation scheme was constructed to optimize the diagnostic agreement between serology and gastric mucosal morphology. The sensitivity to detect gastritis was 98% (146/149) (95% CI 94-100%) and the specificity 84% (42/50) (95% CI 71-93%). Additional sera from 483 subjects from the general population were analyzed. There was a good agreement between serology and gastric mucosal morphology.
CONCLUSIONS: Assays of multiple serum analytes are useful for the initial screening of gastritis. They are complementary to upper gastroscopy by identification of subjects with a normal gastric mucosa, those who qualify for eradication of H. pylori, and those who have developed atrophy and are at risk of developing malignancy and, therefore, require gastroscopic examination.
METHODS: Sera from subjects examined with gastroscopy and biopsy were analyzed for H,K-ATPase antibodies, Helicobacter pylori antibodies and pepsinogen I. The diagnoses were normal gastric mucosa (n=50), duodenal ulcer (n=53) and atrophic corpus gastritis, with (n=50) or without pernicious anemia (n=46).
RESULTS: An evaluation scheme was constructed to optimize the diagnostic agreement between serology and gastric mucosal morphology. The sensitivity to detect gastritis was 98% (146/149) (95% CI 94-100%) and the specificity 84% (42/50) (95% CI 71-93%). Additional sera from 483 subjects from the general population were analyzed. There was a good agreement between serology and gastric mucosal morphology.
CONCLUSIONS: Assays of multiple serum analytes are useful for the initial screening of gastritis. They are complementary to upper gastroscopy by identification of subjects with a normal gastric mucosa, those who qualify for eradication of H. pylori, and those who have developed atrophy and are at risk of developing malignancy and, therefore, require gastroscopic examination.