Elevated Plasma Vitamin B in Patients with Hepatic Glycogen Storage Diseases.

: Hepatic glycogen storage diseases (GSDs) are inborn errors of metabolism affecting the synthesis or breakdown of glycogen in the liver. This study, for the first time, systematically assessed vitamin B status in a large cohort of hepatic GSD patients. : Plasma vitamin B, total plasma homocysteine (tHcy) and methylmalonic acid concentrations were measured in 44 patients with hepatic GSDs and compared to 42 healthy age- and gender-matched controls.

Nasal IgE in subjects with allergic and non-allergic rhinitis.

Purpose: The prevalence of "ocal allergic rhinitis" within individuals suffering from perennial rhinitis remains uncertain, and patients usually are diagnosed with non-allergic rhinitis. The aim of this study was to evaluate the prevalence of a potential "local allergic rhinitis" in subjects suffering from non-allergic rhinitis in a non-selected group of young students.

Methods: 131 students (age 25.