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Interstitial pneumonites represent a heterogeneous group of respiratory disorders with known causes or idiopathic, in which alveolar injury is followed by defense and repair mechanisms either with pro- and anti-inflammatory properties. It is hypothetised that common factors would orchestrate such events, and RAGE is one of possible such candidates. Implications connected to RAGE pathway in varying interstitial pneumonites are discussed.

Nasal decongestants are widely used in the treatment of rhinitis. Decongestant drugs are one of the main components, but numerous reports gave been made concerning side, local and general effects. The problem is particularly important in the treatment of infantile rhinitis for which the use of saline solution alone is often preferred. The paper evaluates the fluidifying action of a saline solution and polysorbate 20, a tensioactive molecule, on nasal mucous. Changes in mucous viscosity were assessed using a "filancemeter" and thromboelastograph. At the same time a clinical study on the efficacy of treatment and the possible presence of side effects was carried out in a population of rhinitic subjects. The study highlighted the fluidifying effect of the preparation on nasal mucous and the complete absence of side effects.