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    Acoustic rhinometry in nasal provocation tests in children and adolescents
    (Hindawi Ltd, 2016) Wandalsen, G. F. [UNIFESP]; Mendes, A. L. [UNIFESP]; Matsumoto, F. [UNIFESP]; Sole, D. [UNIFESP]
    Objectives: To standardize acoustic rhinometry (AR) in nasal provocation tests (NPTs) with histamine in children and adolescents. Patients and Methods: We performed a cross-sectional validation to compare AR with anterior active rhinomanometry (AAR) during histamine NPT in 20 children and adolescents with persistent allergic rhinitis and 20 controls. Changes in total nasal resistance (AAR) were compared with changes in nasal volume in the first 5 cm (V5). Results: Compared with controls, patients with rhinitis had significantly higher mean total nasal resistance (0.34 Pa/cm(3)/s vs 0.21 Pa/cm(3)/s