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Query: UMLS:C0010200 (cough)
 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Respiratory variables in 95 isocyanate workers and 37 control workers were compared. The exposed workers had a slightly higher frequency of cough and shortness of breath than the controls and a significantly lower frequency of family history of asthma, hay fever, and bronchitis. The isocyanate workers had slightly lower baseline lung function than the control workers but demonstrated significantly larger declines in their pulmonary function over the work shift. Both groups showed some intraday and intraweek variation in lung function. The changes in lung function over the work shift varied with different job categories, the largest changes occurring in finishing-area workers. A gradation of response was observed when exposure was categorized as nil, low, or high, but no exposure-effect relationships could be demonstrated by regression analysis of either area or personal results.
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PMID:Respiratory variables and exposure-effect relationships in isocyanate-exposed workers. 633 Mar 25

The immotile-cilia syndrome is caused by a hereditary, inborn, ultrastructural defect of the cilia, rendering them immotile or poorly motile and thereby abolishing mucociliary clearance. Five cases are presented and the otologic manifestations are described in some detail. The syndrome should be suspected in children who have a persistent secretory otitis media with recurring bouts of acute otitis media, and a perpetual cough with repeated episodes of bronchitis. A lobar atelectasis is a frequent finding. Half the cases also have situs inversus. The immotile-cilia syndrome is of special interest to the otologist, as it seems to throw some light on the pathogenesis of secretory otitis media.
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PMID:Otologic manifestations of the immotile-cilia syndrome. 653 91

Fundamental and clinical studies on cefpiramide (CPM), a new semisynthetic cephalosporin were performed and the following results were obtained. Antibacterial activity The antibacterial activity of CPM was investigated in comparison with those of CTT, CPZ, CEZ, LMOX and CFS. Against clinical isolates of S. aureus, CPM was superior to CTT and LMOX, but almost similar to CPZ and inferior to CEZ. Against E. coli, K. pneumoniae, P. mirabilis and S. marcescens, CPM showed the activity almost similar to that of CEZ, but inferior to those of the others. On the contrary, the activity of CPM against P. aeruginosa was satisfactory and was superior to those of CTT, CPZ and LMOX, but slightly inferior to that of CFS. Blood level and urinary recovery Twenty mg/kg of CPM was given intravenously at one shot to 3 patients. The mean serum levels of CPM were 116.9 micrograms/ml at 30 minutes, 90.5 micrograms/ml at 1 hour, 71.1 micrograms/ml at 2 hours, 55.8 micrograms/ml at 4 hours, 24.9 micrograms/ml at 6 hours, 19.3 micrograms/ml at 9 hours and 12.1 micrograms/ml at 12 hours after administration, respectively. The mean half-life was very long and the value was 3.85 hours. The urinary recovery rates in 2 cases were 18.31 and 21.47% respectively up to 12 hours after administration. Clinical results and side effects CPM was given intravenously to 30 diseases including 11 cases of bronchopneumonia, 3 cases of bronchopneumonia and pleurisy, 2 cases of bronchitis, 4 cases of purulent tonsillitis, 5 cases of pyelonephritis and each one case of pyothorax, parotitis, cellulitis, otitis media and salmonellosis. CPM was effective in 29 out of 30 cases, and the effective rate was 96.7%. As side effects, 2 cases of fever and 1 case of cough were observed, but no abnormality in clinical laboratory findings was observed.
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PMID:[Experimental and clinical evaluation of cefpiramide in pediatrics]. 665 42

We studied the prevalence of subsequent respiratory symptoms and the relation between atopic status and bronchial reactivity in 200 index children and their controls 7 years after acute lower respiratory tract infections in infancy. Index children with recurrent symptoms differed from controls in respect of social and family characteristics and atopic background. Ventilatory function was diminished and bronchial reactivity increased. Symptom free index children also came from poorer environmental backgrounds, but did not otherwise differ from controls. 'Atopic' index children differed significantly from controls in respect of subsequent symptoms and ventilatory function and similar adverse trends were observed in 'non-atopic' index children. A comparable proportion of 'atopic' and 'non-atopic' index children showed bronchial reactivity (33.5% and 38.9% respectively). Index subgroups with and without bronchial reactivity had increased cough and wheeziness compared with respective matched controls. The former included children with 'established' asthma and the latter those with 'established' bronchitis. Atopic backgrounds were similar in both subgroups, with no differences between cases and controls. These findings suggest that atopic background and bronchial reactivity are not closely related but may contribute independently to the persistence of symptoms after respiratory infections in infancy. Bronchial reactivity may be a more useful basis than atopic status on which to separate children with episodic cough or wheeze, or both, into 'asthmatic' and 'bronchitic' subgroups.
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PMID:Symptoms, atopy, and bronchial reactivity after lower respiratory infection in infancy. 672 54

The clinical and respiratory function characteristics of 200 children 7 years after their admission to hospital with acute lower respiratory tract infection in infancy have been presented. Results were subsequently analysed according to disease category (bronchitis, bronchiolitis, or pneumonia) at initial presentation. Within each diagnostic category recurrent cough and wheeze, a tendency for colds 'to go to the chest', medication, absence from school, and family doctor consultations were significantly increased. Ventilatory function was diminished and bronchial reactivity increased when compared with matched controls. Studies of a different design are required to elucidate the mechanisms whereby symptoms are increased, ventilatory function impaired, and bronchial reactivity increased after severe lower respiratory infection in infancy.
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PMID:Outcome for acute bronchitis, bronchiolitis, and pneumonia in infancy. 672 55

Eleven hundred and nine iron mine workers aged 35 to 55 with normal chest radiographs were submitted to a pulmonary examination consisting of a questionnaire, a clinical examination, and pulmonary function testing including an acetylcholine challenge test. A positive response (decrease of FEV1 of more than 10%) was observed in 210 subjects (Ace+). The remaining 899 had a negative response (Ace-). Bronchitis, asthma, dyspnoea, and obstructive syndrome were more frequent in the Ace+ group. Five years later, 820 subjects were reexamined: occasional cough and sputum and chronic bronchitis appeared more frequently among subjects without symptoms at the first examination but with a positive acetylcholine challenge test. The obstructive syndrome was more often observed and regressed more rarely in the Ace+ group. The results confirm the use of a test of bronchial hyperreactivity as a means of identifying subjects at risk from chronic obstructive lung disease.
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PMID:Prognostic value of acetylcholine challenge test: a prospective study. 672 54

Progressive alterations in the in vitro transport properties of airway secretions according to the severity and duration of bronchitis have been previously reported, but the potential in vivo dysfunction of bronchial clearance during different phases of bronchitis has not yet been studied. We measured bronchial mucociliary clearance (CMC) and clearance by cough (CTx) using a radioactive aerosol technique (resin particles 7.4 micron in diameter, tagged with technetium-99 m) in patients with recurrent bronchitis (group I, n = 5) and in chronic bronchitic patients, either at an early (group II, n = 13) or advanced (group III, n = 17) stage of their disease. The results were compared with those obtained from a control group (group 0, n = 10) and the respective efficiencies of the mucociliary system and cough were analysed with reference to respiratory function. The initial deposition of the aerosol in central airways is similar in all the patients and healthy subjects. In comparison with group 0, the mucociliary clearance is only significantly reduced in groups II and III (p less than 0.02). In healthy subjects, the clearance by cough is very weak, whereas in bronchitic patients it can be roughly equal to or greater than the CMC. However, the cough is less efficient in group III than in group II (p less than 0.05). A reduced efficiency of the clearance by cough occurs together with abnormalities in the gas exchange.
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PMID:[Efficiency of mucociliary clearance and cough in bronchitis]. 672 64

Most children with a cough have recurrent acute viral bronchitis or asthma. For both, the natural history is progressive improvement through childhood. An unrelenting cough with purulent sputum suggests suppurative lung disease and must not be dismissed lightly. In most cases the cause of cough can be determined by careful clinical history, physical examination and chest X-ray. Other laboratory investigations can be useful when underlying asthma is suspected.
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PMID:Children with cough. 673 39

The previously unreported association of chronic persistent cough due to a duplication esophageal cyst is presented. The presence of a long history of atopy, bronchitis, and asthma resulted in a delay in diagnosis. When vigorous bronchodilator therapy was unsuccessful, close observation of the patient and review of her radiographs suggested the esophageal etiology of her cough. This case reinforces the observation that chronic persistent cough, although common, may present a very perplexing problem. A systematic approach considering the anatomy of the cough reflex, and an awareness of the esophageal and other nonpulmonary causes of cough, can aid in diagnosis and management of these patients.
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PMID:Esophageal cyst as a cause of chronic cough. 673 80

Methacholine sensitivity was evaluated in 166 young subjects who had normal resting spirometric values but who presented problems suggesting lower airways hyperreactivity. Fifty-eight patients (35%) did not have significant sensitivity. The diagnosis of asthma was excluded in this subgroup. Forty-one patients (25%) had mild methacholine sensitivity, 49 (30%) had moderate sensitivity, and 18 (11%) had extreme methacholine sensitivity. Many patients who reacted had chief complaints of cough, bronchitis, or other low respiratory-tract symptoms and did not complain of wheezing. Methacholine challenge helped to clarify appropriate therapy in these individuals. One-year follow-up of these patients showed most patients to be continuing the therapeutic regimen that had been prescribed initially. Methacholine bronchoprovocation was a useful adjunct to management of this large outpatient population of children and young adults and deserves attention as a procedure relevant to patients care, not solely as an investigational test.
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PMID:Methacholine bronchial challenge in children. 680 93


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