Rheumatology Medical News about Sjogrens syndrome;seroprevalence of Helicobacter pylori;atrophic gastritis

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Seroprevalence of Helicobacter pylori and association with atrophic gastritis in patients with Sjögrens syndrome
Modern Rheumatology, 06/18/09

Banno S et al. - Study concludes that Sjögren’s syndrome (SS) patients have a highly positive association with Helicobacter pylori (HP) infection and that atrophic gastritis with SS may occur as a result of HP infection.

Methods

An investigation of the association between HP infection and atrophic gastritis in SS
An age-matched case-control study examining serum HP-IgG Abs and pepsinogen (PG) I and II levels using ELISA
The sera of 82 primary SS (1-SS), and 57 secondary SS (2-SS) vs 198 controls having a connective tissue disease (CTD), except for SS

Results

Titers of HP-IgG in 1-SS were much higher than those in either 2-SS or control
The HP-IgG level revealed an exclusively positive correlation with the serum PG II level and a negative correlation with the PG I/II ratio
Serum PG II levels and PG I/II ratios were associated with the positivity of HP-IgG Abs
Age-specific seroprevalence rates of HP infection in SS pts vs controls showed a high positivity in pts <49 years old
No difference among the higher age groups because of increasing positive rates with advancing age in the control
The matched odds ratio with HP infection in all SS and in 1-SS were 2.33 and 2.75 respectively
However, the positive PG I/II ratio did not show a significant odds ratio for SS

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