Increase in mucociliary clearance in normal man induced by oral high frequency oscillation.
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منابع مشابه
Increase in mucociliary clearance in normal man induced by oral high frequency oscillation.
Data on the effect on mucociliary clearance of oral high frequency oscillation is conflicting. By means of a technique to superimpose high frequency oscillation on tidal breathing, changes in mucociliary clearance during high frequency oscillation were studied in seven normal non-smokers by monitoring the clearance of inhaled radiolabelled aerosol from the lungs. After inhalation of 5 microns t...
متن کاملEffect of oral high frequency oscillation.
Laros et al. state probably on the basis of experience in one patient that oral high frequency oscillation (OHFO) combined with forced expiration manoeuvres on tracheobronchial clearance is disappointing in patients with flaccid lungs. Their letter to the editor suggests that our conclusions, meaning that OHFO combined with forced expiration manoeuvres is inefficient, could not be made because ...
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Although phenol red, introduced by Rowntree and Geraghty (6) in 1912, has been widely used in man as an empirical renal function test, the excretion of this substance relative to its concentration in the plasma has been examined in only one instance. MacKay (1930) injected one gram intravenously and calculated the Addis excretory ratio in three successive periods when the plasma level was 5.80,...
متن کاملNo effect of oral high frequency oscillation combined with forced expiration manoeuvres on tracheobronchial clearance in chronic bronchitis.
This study compared the effect of oral high frequency oscillation (OHFO) with the effect of the forced expiration technique (FET) on tracheobronchial clearance. Eight patients with chronic bronchitis were investigated (mean age 60 +/- 10 yrs, mean forced expiratory volume in one second (FEV1) 68 +/- 27% predicted, mean sputum production 33 +/- 9 g.day-1). OHFO was applied at the respiratory sys...
متن کاملHigh-frequency oscillation in adolescents.
BACKGROUND High-frequency oscillation (HFO) is a widely used lung-protective ventilatory strategy in paediatric and neonatal acute lung injury. Its safe and effective use has been hindered by inadequate recruitment of the lung during oscillation and, until recently, the lack of an adequately powered oscillator for use in adult practice. METHODS We present data from three adolescents with seve...
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ژورنال
عنوان ژورنال: Thorax
سال: 1985
ISSN: 0040-6376
DOI: 10.1136/thx.40.6.433