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Airway resistance and characterization of airway obstruction
Monitoring airway disease, 2021Background: Airway obstruction occurs due to an increase in airway resistance, so the determination of Raw must be considered for the evaluation of its presence and severity classification especially in individuals with difficultty to perform forced maneuvres.
Cristina Bárbara +3 more
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Atropine, Neostigmine and Airway Resistance [PDF]
Acta Anaesthesiologica Scandinavica, 1974 This study was performed to find out whether the two common modes of administration of atropine and neostigmine used for reversal of neuromuscular blockade ‐ neostigmine preceded by atropine, or both drugs given simultaneously ‐ differ in their effects on airway resistance.Peak expiratory flow (PEF) and airway resistance (Raw) were measured in eight ...
J. Heinonen, M. Kjellberg
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Upper-airway resistance syndrome [PDF]
, 2011 Publisher Summary Upper-airway resistance syndrome (UARS) is first recognized in children. The description of UARS brought the attention of clinicians to a group of patients that is left undiagnosed and untreated despite severe impairment. It indicated that they had to identify this clinical entity as many had been denied proper treatment based on ...
Christian Guilleminault +1 more
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Measurement of nasal airway resistance
Journal of Allergy, 1965Abstract A measure of nasal airway resistance can be obtained by simultaneously relating transnasal pressure drop and the rate of nasal air flow. Resistance varies continuously throughout the range of attainable flows, and it has meaning only in relationship to specified rates of flow at which it is measured. The procedure described appears to provide
G. Ahronheim +4 more
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American Review of Respiratory Disease, 2015
Although the sleep apnea hypersomnolence syndrome (SAHS) is now a widely recognized disorder, little is known about the timing and pathogenesis of the abnormal airway mechanics that lead to airway occlusion. In order to characterize the changes in airway
M. Sanders, S. Moore
semanticscholar +1 more source
Although the sleep apnea hypersomnolence syndrome (SAHS) is now a widely recognized disorder, little is known about the timing and pathogenesis of the abnormal airway mechanics that lead to airway occlusion. In order to characterize the changes in airway
M. Sanders, S. Moore
semanticscholar +1 more source
Changes in lung volumes and airway resistance after exercise in asthmatic subjects.
American Review of Respiratory Disease, 2015Lung volumes and airway resistance were measured in a body Plethysmograph in 9 normal children and 7 patients with asthma at rest and after exercise by running.
S. Anderson, J. Mcevoy, S. Bianco
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Peripheral Airways Resistance in Smokers
American Review of Respiratory Disease, 1992To determine peripheral airways resistance (Rp) in asymptomatic smokers, we used a wedged bronchoscope technique to study 19 volunteers (18 to 44 yr of age) who actively smoked for 2 to 28 pack-years. A fiberoptic bronchoscope was wedged in a subsegmental bronchus of the right upper lobe.
Mark C. Liu +3 more
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Lung recoil pressure, airway resistance, and forced flows related to morphologic emphysema.
American Review of Respiratory Disease, 2015Pulmonary function tests and chest roentgenograms were related to emphysema and morphologic alterations of the heart in 73 patients. This group included patients with mild, moderate, and severe chronic obstructive pulmonary disease.
S. F. Boushy +3 more
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Nasal Airway Resistance Computer
The Laryngoscope, 1977An analogue computing system for the measurement of nasal airway resistance (Rn) has been developed. The instrument operates on the principle of measuring the transnasal pressure required to generate a measured nasal airflow rate. The system computes and displays inspiratory or expiratory nasal airway resistance measured at a preselected flow rate. The
Christman Nt, Hamilton Lh
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