Results 181 to 190 of about 15,769 (222)
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The Nasal Mucociliary Clearance: Relevance to Nasal Drug Delivery
Pharmaceutical Research, 1991Mucociliary clearance is an important physiological defense mechanism of the respiratory tract to protect the body against noxious inhaled materials. This process is responsible for the rapid clearance of nasally administered drugs from the nasal cavity to the nasopharynx, thereby interfering with the absorption of drugs following intranasal ...
N G, Schipper, J C, Verhoef, F W, Merkus
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Nasal Mucociliary Clearance in Coal Mine Workers
Otolaryngology–Head and Neck Surgery, 2004OBJECTIVEThe purpose of this study was to analyze the effect of coal dust particles on nasal mucociliary function in coal mine workers.METHODUsing the saccharin method, nasal mucociliary clearance was determined for 77 subjects, of which 39 who worked in a coal mine were actively exposed to coal dust whereas 38 were unexposed control subjects.
Fikret Cinar, Levent Bekir Beder
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Nasal mucociliary clearance and hearing loss in pseudoexfoliation syndrome
European Archives of Oto-Rhino-Laryngology, 2021To evaluate nasal mucociliary clearance (NMC) and hearing loss in patients with pseudoexfoliation (PEX) syndrome.The study included 36 patients with PEX syndrome as the study group, and 39 healthy individuals as the control group. The duration of NMC was measured using the saccharine test.
Ersin Muhafiz, Yaser Said Çetin
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The effect of COVID-19 on nasal mucociliary clearance
Acta Oto-Laryngologica, 2022The impacts of coronavirus disease-2019 (COVID-19) on nasal mucociliary clearance (MCC) have shown conflicting results.The aim of this study was to determine whether COVID-19 infections affect nasal mucociliary activity using the saccharin test to measure nasal MCC time.This prospective comparative investigation included 25 patients with COVID-19 ...
Ebru Ozer Ozturk +2 more
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The effect of hypertonicity on nasal mucociliary clearance
Clinical Otolaryngology and Allied Sciences, 2000The effect of the tonicity of saline nasal douching solutions on mucociliary clearance was studied in order to ascertain whether hypertonicity conferred any advantage. Thirty-eight normal subjects were included in a randomised double-blind crossover trial.
J J, Homer +4 more
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Impaired Nasal Mucociliary Clearance in Long-Distance Runners
International Journal of Sports Medicine, 1995For years physicians have observed a high incidence of upper respiratory tract infections (URTI) after strenuous exercise. Mucosal surfaces represent a first-line-of-defense against infections, and pollutants or organisms entrapped in respiratory secretions are cleared by mucociliary transport. Little is known about this mechanism during exercise.
G, Müns +3 more
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Nasal mucociliary clearance as a factor in nasal drug delivery
Advanced Drug Delivery Reviews, 1998The nasal mucociliary clearance system transports the mucus layer that covers the nasal epithelium towards the nasopharynx by ciliary beating. Its function is to protect the respiratory system from damage by inhaled substances. Impairment of nasal mucociliary clearance can result in diseases of the upper airways. Therefore, it is important to study the
, Merkus +3 more
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Nasal mucociliary clearance in man.
Ciba Foundation symposium, 1978Nasal mucociliary clearance was measured in healthy young human subjects and tracheal clearance in the experimental animal under a wide variety of conditions. There is a broad range of clearance rates whether at standard ambient conditions (23 degrees C, 50% relative humidity) or in the face of a number of environmental variables.
D F, Proctor +3 more
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Does menopause effect nasal mucociliary clearance time?
European Archives of Oto-Rhino-Laryngology, 2014The aim of this study was to investigate the effect of menopause on nasal mucociliary clearance time by comparing the results of premenopausal and postmenopausal women. A total of 60 women met the criteria and were divided into two groups: premenopausal women (n = 30) and postmenopausal women (n = 30).
Ozler, Gul Soylu +4 more
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Nasal Mucociliary Clearance in Obstructive Sleep Apnea Syndrome Patients
American Journal of Rhinology & Allergy, 2014Background The main objective of this study was to investigate the correlation between the level of mucociliary dysfunction and severity of obstructive sleep apnea syndrome (OSAS). The effect of smoking in OSAS patients on mucociliary dysfunction was also assessed.
Mahmut, Deniz +6 more
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