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Evaluation of nasal mucociliary clearance function in allergic rhinitis patients with technetium 99m-labeled macroaggregated albumin rhinoscintigraphy.
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Nasal mucociliary clearance is the first line of defense of the ciliated epithelium of the respiratory tract against inhaled particles. Several rhinopathic conditions involve alterations in nasal mucociliary clearance. The purpose of this study was to assess the clinical role of rhinoscintigraphy in
Cell content and albumin concentration in nasal lavage from patients with rhinitis.
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Influx of inflammatory cells in the nose was evaluated in 14 patients with rhinitis and 11 healthy subjects. Nasal secretions were obtained by nasal lavages. Total cell count and differential count were carried out with a Neubauer chamber and in cytospin slides, respectively. Cells were classified
Occupational asthma caused by inhalation of bovine serum albumin powder.
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Bovine serum albumin (BSA), which is present in bovine plasma, is one of the major allergens affecting patients with food allergies induced by milk and meat. It is also commonly used in research laboratories. Although some reports have documented food allergies associated with BSA, BSA-induced
Evaluation of nasal barrier dysfunction at acute- and late-phase reactions in a guinea pig model of allergic rhinitis.
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Allergic rhinitis is a common disease characterized by the symptoms of pruritus, sneezing, hypersecretion and nasal blockage. Increased mucosal barrier permeability has been suggested to be an indicator for the severity of allergic rhinitis. This study investigates the passage of radiolabelled
[The study of chemical mediators in the patients with allergic rhinitis. 1). Histamine, leukotriene and kinins in the nasal secretion during early phase response].
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For the purpose of studying the roles of chemical mediators during early phase response of allergic rhinitis, the levels of histamine, leukotriene C4 (LTC4) and kinins in the nasal lavage fluid were measured before and after the nasal challenges with antigens. Seventeen patients with perennial
Occupational asthma and rhinitis due to glutaraldehyde: changes in nasal lavage fluid after specific inhalatory challenge test.
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BACKGROUNDd: Glutaraldehyde (GA) is a known respiratory sensitizers, and some studies have reported occupational asthma in exposed workers. Specific changes in nasal lavage fluid (NLF) induced by high-molecular-weight allergen provocation in sensitized subjects were described previously. The purpose
Assessment of mucociliary transport in patients with chronic mucoid rhinitis.
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Chronic rhinitis is the manifestation of a heterogeneous group of disease entities and often proves difficult to manage successfully. We present the investigations of the mucociliary system in 40 patients with mucoid rhinorrhoea as their principal symptom of whom 20 had pan respiratory disease. The
Occupational asthma, rhinitis, and contact urticaria caused by oxidative hair dyes in hairdressers.
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BACKGROUND
Oxidative hair dyes commonly contain paraphenylene diamine (PPD) and its derivatives, a well-known cause of delayed hypersensitivity among both consumers and hairdressers. They are also considered possible causes of occupational respiratory diseases. Despite the widespread use of hair
The role of allergic rhinitis in nasal responses to sudden temperature changes.
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BACKGROUND
Air conditioning-induced rhinitis in allergic individuals is a common epidemiologic finding, but its physiopathology is still controversial. The aim of this study was to describe and compare the effects of experimental air conditioning temperature changes on the nasal mucosa of
Immunological markers in allergic rhinitis patients treated with date palm immunotherapy.
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OBJECTIVE
Allergic rhinitis (AR) is regulated by the local production and release of several cytokines. Allergen specific immunotherapy (IT) has been widely used for many years as a specific treatment of allergic diseases. This study aimed to investigate the changes in clinical and immunological
Local IgE production and positive nasal provocation test in patients with persistent nonallergic rhinitis.
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BACKGROUND
Allergic rhinitis is an IgE-mediated inflammatory disease of the nasal mucosa, which is usually diagnosed by typical symptoms, positive skin tests, and/or serum specific IgE antibodies to allergens. Despite suggestive symptoms of allergic rhinitis, some patients have a negative diagnostic
Gustatory rhinitis: a syndrome of food-induced rhinorrhea.
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The consumption of certain foods causes watery rhinorrhea (gustatory rhinitis) in many individuals. To examine the underlying mechanisms responsible for this common phenomenon, 12 subjects ingested control foods and positive foods (foods that cause rhinorrhea). Nasal lavages performed 10 minutes
Exudative hyperresponsiveness of the airway microcirculation in seasonal allergic rhinitis.
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BACKGROUND
Mucosal exudation of plasma is a non-injurious, physiological response of the airway microcirculation to different inflammatory processes. The exudative response is similar in the nose and bronchi and exudation occurs in both allergic asthma and rhinitis. The exudative response is a
Subjective and objective assessments in patients with seasonal allergic rhinitis: effects of therapy with mometasone furoate nasal spray.
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BACKGROUND
Efficacy of topical nasal steroid therapy for allergic rhinitis is usually evaluated by patient and clinician assessments of subjective symptom changes in diaries and at clinical interviews.
OBJECTIVE
We sought to complement the subjective measures with objective measures of nasal
Plasma extravasation through neuronal stimulation in human nasal mucosa in the setting of allergic rhinitis.
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We have previously shown that capsaicin nasal challenge in subjects with allergic rhinitis produces a dose-dependent increase in the albumin content of nasal lavage fluids. In the present set of studies, we determined whether this observation represents plasma extravasation that is neuronally
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