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Atkinson J C - - 1989
Parotid and submandibular gland function were evaluated in 12 HIV-1 antibody-positive men at two visits separated by a median interval of 14.5 months (range 6-22 months). Unstimulated and stimulated flow rates, and the concentrations of total protein, lysozyme, albumin and lactoferrin in these secretions, were determined. Parotid and submandibular gland ...
Hughes J R - - 1989
In Study 1, ten never-smokers, ten ex-smokers and nine current smokers received nicotine (2 mg) and placebo gum hourly for 4 hours on 2 consecutive days in a randomized, double-blind, cross-over protocol. Dysphoria from nicotine was greatest in never-smokers, intermediate in ex-smokers, and least in current smokers (p less than ...
Smith J A - - 1989
Lactase, sucrase and maltase activities in endoscopic biopsies from the second part of the duodenum were compared to those in Crosby capsule biopsies from the proximal jejunum. In patients with villous atrophy disaccharidase activities were reduced compared with histologically normal mucosa in the duodenum and jejunum. Disaccharidase activities were significantly ...
Ip W F - - 1989
The patency of heparin-PVA coated 1.14 mm i.d. polyethylene tubes was greater than that of control tubes without heparin in a novel test section that enabled ex vivo evaluation in dogs at low flow and shear rates (2-10 ml/min). Low shear rates were achieved by diverting a small portion of ...
Lioté H - - 1989
Large interindividual variations of nasal mucocilliary clearance across healthy subjects have been previously described. The aim of this study was to evaluate the respective role of the nasal mucus quality and ciliary activity in determining nasal mucociliary clearance and to study changes in these variables across time and with environmental ...
Schultz E L - - 1989
The ventilatory controlling factors associated with oral augmentation of nasal breathing were investigated in 25 (14 women, 11 men) healthy adults during an incrementally graded bicycle exercise test. Ventilatory variables were measured by separate oral and nasal pneumotachometers integrated with a valveless oral-nasal face mask and a flexible oral catheter. ...
Haight J S - - 1989
Both the nasal cycle and postural asymmetries between the lateral halves of the body will cause the patent cavity of the nasal airway to change sides. Therefore, the cycle might result from adjustments of posture during prolonged periods of nasal resistance measurements. Posterior rhinometric measurements of unilateral nasal resistance were ...
Tiep B L - - 1989
Multiple benefits of oxygen therapy for hypoxemic patients with chronic lung disease are well established. Steady flow oxygen therapy is inefficient, wasteful and has a high cost. The Oxymizer pendant improves efficiency of oxygen delivery compared with SF. However, the device requires that the patient inhale and exhale nasally to ...
Freeland H S - - 1989
The role played by leukotriene B4 (LTB4) in human allergic reactions has been the subject of recent interest and speculation. To characterize further the role of this mediator, we quantitated LTB4 levels in nasal washing by radioimmunoassay in 13 atopic subjects during immediate and late reactions after nasal antigen challenge ...
Thigpen J E - - 1989
Hardwood dust can cause dermatitis, respiratory disease, allergies and nasal cancer in humans. A major concern with animal hardwood bedding is its dust content and its possible effects on animals and animal technicians. Previous reports on the quality control of rodent bedding did not specify sample size or shake time ...
Pashayan A G - - 1989
Polyvinyl chloride tracheal tubes from 50 consecutive CO2 laser operations of the larynx and trachea were collected after tracheal extubation. In all cases, the helium protocol for laser operations was used, which includes the following: helium in the anesthetic gas mixture at 60% or more during laser resection (FIO2 less ...
Gilbert A N - - 1989
Active anterior rhinomanometry was used to observe nasal airflow in five men and four women (ages 18-30). Measurements were obtained for each nasal passage every 5 min throughout an uninterrupted 8-hr session. Facial skin temperature from the left and right side of the face was recorded simultaneously from thermocouples. Observations ...
Jessen M - - 1988
It has been reported that nasal decongestion can be more effectively achieved by regulated exercise than by the use of decongestant nose drops. To test this finding, we assessed the relative effectiveness of physical exercise, nose drops, and sprays on 100 consecutive patients with nasal congestion. We found that decongestion ...
Strohl K P - - 1988
Two studies were carried out to test the hypothesis that the fall and recovery of nasal resistance after exercise in asthmatic and non-asthmatic subjects are related to the development of bronchoconstriction after exercise. In study 1 nasal resistance (posterior rhinomanometry) and specific airway resistance (sRaw) were measured before challenge and ...
Chaussade S - - 1988
Enkephalins are short lived peptides which are rapidly cleaved by 2 membrane peptidases: an enkephalinase and a carboxypeptidase. Enkephalin-like immuno-reactivity has been demonstrated in the smooth muscle and in the myenteric plexus of the human lower esophageal sphincter (LES). Opioid receptors have been found in the gastrointestinal tract and recently ...
Kahrilas P J - - 1988
Upper esophageal sphincter function was investigated during swallows of graded volumes in 8 normal volunteers. Concurrent recordings of video-fluoroscopic and manometric studies were obtained and correlated with each other by means of a videotimer. Maximal upper esophageal sphincter (UES) pressure was typically located 1.5 cm distal to the air-tissue interface ...
Crampton J R - - 1988
The present studies were designed to explore the possible mode of protective and ulcer healing actions of sucralfate by examining its effect on gastroduodenal bicarbonate secretion by isolated amphibian mucosa. Luminal sucralfate (0.5 g/l) significantly increased bicarbonate secretion by fundic and antral mucosa without influencing transmucosal potential difference. Significant stimulation ...
Art T - - 1988
Pleural, tracheal, pharyngeal and mask pressures as well as airflow and tidal volume of five ponies on a treadmill (incline 8.3 degrees) were recorded simultaneously while resting, walking, trotting slowly, trotting fast, after standing for 30 secs and 5 mins after the end of the exercise. The curves obtained were ...
Wall M A - - 1988
Cotinine was measured in the serum, saliva, and urine of nonsmokers, passive smokers, and active smokers. Serum and saliva could not discriminate between nonsmokers and passive smokers. Mean urine cotinine was higher in passive smokers than nonsmokers but there was a great deal of intersubject overlap. Cotinine in all body ...
Vigouroux M - - 1988
A multistage dynamic flow dilution olfactometer allowing the delivery of precisely controlled stimuli over a wide concentration range is presented. Discrete concentration values, in the range 10(-6) to 5.6 X 10(-2) of the saturated vapor of an odorous compound, are obtained from two original concentration by combining 4 dilution stages. ...
Penagini R - - 1988
In 10 patients with peptic esophageal stricture the effect of esophageal dilatation on intraesophageal pH, stricture diameter, and dysphagia has been studied. Percentage of time during which intraesophageal pH was less than 4 and the number of reflux episodes per hour did not change significantly. Stricture diameter increased slightly, but ...
Devillier P - - 1988
We compared the rise in nasal airway resistance (NAR) provoked by topical application of substance P (SP) and of methacholine (MCH) in seventeen patients suffering from rhinitis and fourteen control subjects. Challenges with SP or MCH were separated by a week or more. NAR was measured by posterior rhinomanometry before ...
Gagliardo A - - 1988
The role of the anterior commissure in discrimination of and habituation to olfactory stimuli was studied in pigeons by measuring changes in the heart rate. In order to exclude any trigeminal response, we presented odorous stimuli to groups of pigeons with one olfactory nerve cut and either the ipsilateral or ...
Foucrier J - - 1988
In a previous work it was shown that transferrin (Tf) secretion is directly related to the membrane surface area of hepatocytes (Péchinot D. et al. [31]). The aim of the present work was to search for a possible relationship between Tf secretion and hepatocytic ploidy using a semi-automatic image analysis ...
Ermich T - - 1988
In SDS-electrophoresis the hyperortho- and hyperparakeratoses showed cytokeratin patterns fairly similar to those in the normal masticatory mucosa in cases of reactive hyperkeratosis due to mechanical stimulatory action; however, in Lichen ruber planus they agreed only incompletely. The site-specific, normally stably expressed cytokeratins of the mucosa-type concerned were likewise regularly ...
Freng A - - 1988
The anatomy and the concomitant function of the face seem to be reciprocal issues. Previous studies have shown that stenosis in the posterior part of the nose, hampering nasal air flow, is associated with a retrognathic face and a posterior rotation of the lower jaw, i.e. components of the adenoid ...
Chadha T S - - 1987
This study was undertaken to determine whether the resistance to nasal airflow and differences in oronasal distribution of ventilation at rest and during exercise alter the pattern of breathing. We observed six normal subjects, six patients with symptomatic allergic rhinitis, and six patients with asymptomatic bronchial asthma (three men and ...
Leclerc J E - - 1987
The effect of changing body position on the Eustachian tube opening time (TOT) and nasal conductance (NC) was investigated in 5 subjects. Eustachian tube function was evaluated using a sonotubometric technique and NC was determined by anterior or posterior rhinomanometry. The results showed that both the TOT and NC were ...
Nolop K B - - 1987
As an index of permeability of the alveolar epithelium, the clearance of an inhaled aerosol of 99mTc-DTPA is increased in several disease states. However, the usefulness of the test to assess the severity of disease is limited because healthy smokers also have abnormally rapid rates of clearance. Because the stability ...
Hinton V A - - 1987
The controversy concerning the effects of nasal airway impairment on facial growth has stimulated renewed interest in upper airway respiratory function. The subjective manner in which airway impairment and mouth breathing have been assessed is, in our opinion, responsible for the differences observed among investigators and for their conclusions. We ...
Katz I - - 1987
Ciliary beat frequency (CBF), measured in vitro, and tracheal mean clearance rate (TMCR), measured in vivo, were studied in 20 nonatopic nonsmokers. CBF, measured by direct examination of nasal cells obtained by a fiberbronchoscopic brush, was 12.1 +/- 1.7 Hz (mean +/- SD). TMCR, assayed by a radioisotope technique, revealed ...
Grossman E S - - 1987
This study was undertaken to determine optimal fixation procedure for vervet monkey (Cercopithecus pygerythrus) oral mucosa. Perfusion and immersion fixation were investigated using glutaraldehyde and glutaraldehyde-paraformaldehyde fixatives with either a phosphate or sodium cacodylate buffer as vehicle and with osmolarities varying from 2010 to 320 mosm. Good fixation could not ...
Ohki M - - 1987
Nasal resistance and nasal blood flow were measured consecutively before exercise, immediately after exercise, 5, 10, 15, 20, 25, and 30 minutes after exercise in 11 normal subjects and 18 patients with perennial allergic rhinitis. Nasal resistance was measured by Nihon-Koden Rhinorheograph MRP 2100, and nasal blood flow was measured ...
Hairfield W M - - 1987
The purpose of the present study was to assess quantitatively the nasal valve area during normal inspiratory and expiratory maneuvers. The pressure-flow technique of Warren was used to estimate nasal size in 15 adult subjects who had no previous history of nasal surgery or abnormality. Cross-sectional size of the nasal ...
Olson L G - - 1987
Exercise causes a fall in nasal resistance that may be due to sympathetic vasoconstriction in the nasal mucosa. Other factors potentially involved in the exercise effect on nasal resistance are: increased alae nasi muscle activity, passive redistribution of blood to exercising muscle and away from the nasal mucosa, increased nasal ...
Fairweather I - - 1987
The effect of the deacetylated (amine) metabolite of diamphenethide (10 micrograms/ml) on the tegumental surface of Fasciola hepatica over a 24 h period in vitro has been determined by scanning electron microscopy. Blebbing begins around the oral sucker after 3 h and then passes backwards along the body, reaching the ...
Corrado O J - - 1986
The nasal responses to provocation with histamine and methacholine were compared in 20 subjects with and 20 without rhinitis. Two variables were measured: nasal airways resistance and the development of rhinorrhoea. Histamine had a greater effect than methacholine in increasing nasal airways resistance while the converse was true for rhinorrhoea. ...
Millar A B - - 1986
Nasal and tracheobronchial mucociliary clearance have been compared in 10 healthy subjects. Nasal clearance was measured by monitoring the rate of removal of 2 microns diameter Teflon particles, labelled with 99mTc, which had been placed in the anterior part of the nose. Tracheobronchial clearance was measured with an objective radioaerosol ...
Lim-Levy F - - 1986
The purpose of this study was to determine if chest tubes that are not milked or stripped occlude more frequently than milked or stripped tubes, and if the amount of drainage varies according to the treatment of the tubes. Following coronary artery bypass graft procedures, 49 male subjects had their ...
Gleeson M J - - 1986
Two established methods (active posterior and passive anterior rhinomanometry) and 2 new methods (peak nasal inspiratory flow rate and apparent nasal volume) were used in 12 volunteers to assess the patency of the nasal airways under each of 4 conditions (baseline, post-exercise, nasal histamine and nasal cocaine). All methods showed ...
Jones A S - - 1986
The effect of lignocaine on nasal sensation of airflow and nasal resistance was assessed in twenty-five subjects. A randomised crossover trial was conducted with lignocaine as the active drug and saline as the placebo. Both substances were delivered to the nasal mucosa as a nasal spray. Lignocaine caused a sensation ...
Taublieb A B - - 1986
This study assessed the extent to which a woman's ability to orgasm in coital situations with and without penile stimulation affects perceptions of sexual/psychological functioning. Subjects were asked to make diagnostic judgments about women described in written scenarios depicting heterosexual coital activity. Subject responses to all dependent measures reflected more ...
Maurizi M - - 1985
25 subjects aged between 5 and 17 years, 15 females and 10 males, underwent anterior rhinomanometry. 10 of them were normal and 15 affected by velar insufficiency following adenotonsillectomy in 11 case and palatosynthesis in 4. The rhinomanometric tracing was obtained while the patient repeatedly pronounced oral vowels such as ...
Cole P - - 1985
This investigation was undertaken to demonstrate the contributions of dynamic vestibular and mucosal components to nasal air-flow resistance in healthy human adults. The studies were made by video recording of alar movement, electromyography of alar muscle activity, and by computer-assisted plethysmographic measurement of nasal air-flow resistance. Inspiratory approximation of the ...
Das B M - - 1985
Six Muslim groups from various parts of Assam (Goalpara, Kamrup, Darrang, Nowgong, Sibsagar and Dibrugarh) have been analysed for the distribution of anthropometric and dermatoglyphic traits as well as for that of AB0 blood groups and PTC taste sensitivity. The intergroup variability in the distribution of all these anthropological characters ...
Hasegawa M - - 1985
Exercise-induced change of nasal resistance and forced expiratory volume in 1 second (FEV1.0) were studied in 30 asthmatic children and seven normal children. Exercise-induced asthma (EIA) was diagnosed in 19 (63%) of the 30 asthmatic patients. Unilateral complete nasal blockage after exercise (exercise-induced nasal obstruction [EINO]) was found in nine ...
Syabbalo N C - - 1985
We studied the effect of exercise on nasal airflow resistance (Rnaw) and the relationship between exercise-induced asthma (EIA) and Rnaw. Rnaw was obtained by measurement of flow through the nose and mouth (in series) at constant inflow pressure. In seven healthy subjects, there were statistically significant decreases in Rnaw (39.5 ...
Sunohara N - - 1985
In 30 patients with Parkinson's disease, 55 patients with other neurological disorders and 25 normal subjects, both upper eyelid movements and orbicularis oculi reflexes to repetitive glabella taps were simultaneously recorded using a newly devised apparatus for the measurement of eyelid movement. Upper lid movement during the blink reflex has ...
Pindborg J J - - 1985
During the 2nd Meeting of the International Association of Oral Pathologists in Amsterdam (1984), an exercise was held to study subjectivity in evaluating oral epithelial dysplasia. A poster with 9 color photomicrographs was presented to be evaluated anonymously by the participants. A total of 72 submitted diagnostic suggestions. In Table ...
Davies H J - - 1985
A new indoor nasal allergen challenge system has been developed which allows subjects with hay fever to be exposed to pre-determined concentration of grass pollen grains in the immediate environment. Thirteen subjects were exposed during the winter months to an atmosphere containing approximately 1000 grains/m3 for 30 min. No changes ...
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