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

A questionnaire relating to smoking habits, respirator symptoms, and health attitudes was administered to 10 498 secondary schoolchildren in 1975. The results reported in this paper indicate that children who smoke regularly have a higher prevalence of upper respiratory tract infections and a higher incidence of the respiratory symptoms, cough, phlegm production with a cold, and shortness of breath, compared with non-smokers. Children are aware of the risks of lung cancer when smoking, but less aware of the other more immediate health risks, and this is particularly so in the younger age groups. It is suggested that health education should be directed towards younger children and that more use should be made of the fact that smoking clearly makes them less healthy.
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PMID:Cigarette smoking among secondary schoolchildren in 1975. Prevalence of respiratory symptoms, knowledge of health hazards, and attitudes to smoking and health. 26 90

Pseudoephedrine hydrochloride (I), brompheniramine maleate (II), and dextromethorphan hydrobromide (III) in a cough-cold sytup were separated and determined by ion-pair reversed-phase high-pressure liquid chromatography. The separation was carried out using a muBondapak C18 column (30 cm x 3.9 mm i.d.) and a mobile phase of acetonitrile-water-acetic acid (40:60:1) with 0.01 N 1-octanesulfonic acid sodium salt and 0.05 N potassium nitrate. Detection was accomplished using a UV detector at 265 nm for I and II; III was monitored at 280 nm. Concentration versus peak height plots in the ranges of 0.37-1.9 mg/ml for I, 0.025-0.126 mg/ml for II, and 0.125-0.625 mg/ml for III were linear. Ten consecutive injections of a mixture gave a percent relative standard deviation of less than 1% for all three components. Average recoveries from laboratory-prepared samples were 100.5% for I, 100.9% for II, and 100.1% for III. No precolumn cleanup was necessary, and the chromatogram was complete in 16 min.
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PMID:Ion-pair reversed-phase high-pressure liquid chromatography of cough-cold syrups I: pseudoephedrine hydrochloride, brompheniramine maleate, and dextromethorphan hydrobromide. 51 4

Details are given of all serologically confirmed Mycoplasma pneumoniae infections in children referred to Bristol hospitals during an epidemic lasting 18 months. 44 children, many below school age, had lower respiratory infections. The majority had cough and malaise which had failed to respond to antibiotics given before referral. Chest x-rays showed no pathognomonic features: segmental or patchy consolidation was common; 3 cases of lobar consolidation. Cold agglutinins were raised in 9 out of 12 cases. In the majority of cases the total leucocyte count was normal and the absolute neutrophil count raised. Mean duration of symptoms was 4.2 weeks (range 1-16). Treatment with erythromycin or tetracycline appeared to have little effect in most cases. Seven nonrespiratory manifestations were seen in 6 children. These were meningitis (2 cases), Stevens-Johnson syndrome (4 cases, 1 case complicated by toxic epidermal necrolysis), and acute haemolytic anaemia (1 case).
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PMID:Mycoplasma pneumoniae infections in children. 62 17

The progeny of 9 SPF gilts fed a balanced ration (Table I) was used in an inoculation experiment with field strains of Bordetella bronchiseptica isolated in herds suffering atrophic rhinitis. Acute rhinitis was produced within a week after intranasal inoculation of B. bronchiseptica into 1 to 11-day-old piglets. Coughing occurred in some of the exposed pigs, but signs of pneumonia did not develop. A few pigs were killed at intervals of 1 to 3 weeks after exposure. These pigs all showed histological lesions in the turbinate and B. bronchiseptica was recovered from various parts of the respiratory tract. Pigs killed 3 weeks after inoculation showed advanced turbinate atrophy (Tables II and III). Among inoculated litter mates reared to slaughter weight, only one developed clinical signs (slight) of atrophic rhinitis, and a tendency towards an elimination of the B. bronchiseptica infection from the accessible part of the nasal cavity was noticed during the growth period. By examination of nasal swabs collected when the pigs were 10 to 13 weeks old, Mycoplasma flocculare was isolated as well from pigs inoculated with B. bronchiseptica as from the control pigs. The growth rate of the experimental pigs was high and no difference in feed consumption or feed conversion occurred between the exposed pigs and the control pigs. By post mortem examination of the snouts from the pigs slaughtered at approx. 85 kg live weight, severe atrophic rhinitis was not found. Approximately one third (32%) of the exposed pigs showed slight atrophic rhinitis lesions (Table IV). The results are discussed and it is concluded that the isolated B. bronchiseptica strains are pathogenic in young pigs and able to induce turbinate atrophy 2 to 3 weeks after inoculation. Turbinate atrophy induced in pigs a few weeks old, may apparently restore completely or almost completely during the growth period. Under the provided experimental conditions, infection with B. bronchiseptica did not result in the development of a lasting, growth-retarding atrophic rhinitis.
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PMID:Inoculation experiments with Bordetella bronchiseptica strains in SPF pigs. 93 9

Data derived from 1968-69 household survey of 3,481 persons in the Baltimore Standard Metropolitan Statistical Area revealed rates of medicine use and characteristics of users. In the 2 days before interview, 56% of the study population used one or more medicines. Users of prescribed medicine (33%) averaged 1.8 different kinds, and users of nonprescribed medicine (36%) averaged 1.4 kinds. Among users of prescribed medicine, 39% were also self-medicating. Pain relivers, vitamins, and cough and cold medicines were the most frequently used types. Two-thirds of physician visits were associated with an injection, immunization, medicine, or prescription. Rates of use for both prescribed and nonprescribed medicine were higher in females and varied with age, with nonprescribed varying less than prescribed. Nonwhites were less likely than whites to use either prescribed or nonprescribed medicines in all social status categoreis. Use of prescribed medicine increased with the increasing severity of acute and chronic illness, but use of nonprescribed medicine varied little with morbidity. Use of prescribed or nonprescribed medicine did not vary with economic class. Differences in use by age, sex, and race could not be accounted for by differences in morbidity, physician visits, or use of oral contraceptives.
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PMID:Who's using medicines? 122 7

The upper and lower airways have complimentary roles in the ultimate object of supplying the body with oxygen whilst removing waste products of metabolism. Pathology in one area may trigger a response in another, the physiology of which, in the case of virus-induced asthma exacerbations remains poorly characterized. Viral infection of the upper airways by common cold viruses frequently triggers a response in the lower airways leading to prolonged morbidity, especially in subjects with significant pre-existing airway disease. The induction or amplification of BHR may be an important mechanism whereby asthmatic symptoms are produced although the cellular and tissue events or reflex mechanisms activated by viral illnesses and underlying BHR changes are poorly defined and may be dependent on the type and the severity of infection. Children and asthmatics tend to develop frequent colds setting in motion a sequence of events culminating in airway obstruction and symptoms of wheezing, coughing and chest tightness. This may reflect independent inflammatory changes caused by a simply additive effect of viral damage to the mucosa superimposed upon pre-existing allergic inflammation (Fig. 1). Few if any symptoms will develop in normal subjects with a mild cold whereas significant symptoms may ensue if the cold is severe and induces marked lower airway swelling, secretions and smooth muscle contraction; pathology to which children who have small calibre airways may be particularly susceptible. In asthmatics even a mild cold frequently induces exacerbation of symptoms, while serious life-threatening asthma attacks may occur associated with a severe cold. Some studies have suggested that this effect is not only additive but also synergistic and brought about by release of the mediators already present in increased quantities, the induction of IgE synthesis, or by the potentiation of neural and epithelial damage. The combined effect of both asthma and viruses may thus be amplified and result in a sustained and refractory period of airway obstruction, severe symptoms and unstable asthma. As most hospital admissions for asthma occur over the winter months and soon after the start of the school terms [115], spread of viruses through the community to susceptible individuals may be the single most important cause of sustained exacerbations of asthma. Definition of the pathological and physiological mechanisms involved will lead to better understanding and may thus provide a basis for prevention and the development of effective forms of treatment for virus-induced asthma.
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PMID:Viruses as precipitants of asthma symptoms. II. Physiology and mechanisms. 135 15

A report in 1984 on the success of zinc gluconate against common cold symptoms could not be confirmed in three subsequent studies, which are now known to have used formulations that inactivated zinc. A non-chelating formulation including glycine, which releases 93% of contained zinc into saliva, was tested in a randomized, placebo-controlled, double-blind trial in 73 young adults. Efficacy was recorded in symptom diaries using a symptom severity rating. Patients' symptoms first appeared 1.34 days prior to entry to the study in both groups. Disappearance of symptoms occurred after an additional 4.9 days for zinc-treated patients versus 6.1 days for placebo-treated patients. A difference was noted in the efficacy of treatment if it was started 1 day after symptom onset: cold duration was an additional 4.3 days in zinc-treated patients compared with 9.2 days for placebo-treated patients. Cough, nasal drainage and congestion were the symptoms most affected, and only mild side-effects were noted.
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PMID:Zinc gluconate and the common cold: a controlled clinical study. 139 68

Thirty asthmatic patients, ages ranging from 6 to 72 years, who were submitted to a 14 weeks clinical evaluation, were studied measuring the severity of dysnea, coughing, expectoration and wheezing. Sodium chromoglycate (SCG) was administered in aerosol starting the second week of the study and the doses of bronchial dilators was reduced starting the fourth week, with a 25% decrease in the total established initial dosage, every two weeks. In this study, SCG showed to be useful in decreasing symptoms caused by bronchial hyperreactivity and the use of bronchial dilators in 70% of asthmatics who react with the presence of just one risk factor (cold, the most frequent).
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PMID:[Effectiveness of sodium cromoglycate in the reduction of bronchodilator doses in asthmatic patients]. 141 Nov 7

This article examines factors that predict changes in consumer purchasing decisions of nonprescription medications. Variables corresponding to factors in Andersen's behavioral model are measured, in addition to data regarding characteristics of the 17 pharmacy consultants who provided counseling services. One thousand seven hundred and thirteen consumers in five stores in southern California were provided consultation during a 6-month period, resulting in 25.4% of the patients purchasing a different drug than intended when entering the pharmacy, 1.3% being referred to a physician, and 13.4% not purchasing any over-the-counter medication at all. Logistic regression techniques demonstrated that one enabling variable (availability of generic medications), and four need factors (the discussion of clinical issues, short encounters, cough and cold products, and vitamin products) were significant predictors of the consumer's decision to purchase a different product than intended. Consultant characteristics (introversion, external locus of control) were also important predictors, but opposite the expected direction. Consumers who received information from female consultants were more likely to change their purchasing decisions.
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PMID:The effects of consultation on over-the-counter medication purchasing decisions. 143 62

The Indo-Dutch Environmental and Sanitary Engineering Project under Ganga action Plan in Kanpur and Mirzapur is being executed within the framework of Indo-Dutch bilateral development cooperation. The project aims to integrate technological, social and health related improvements. It is expected that the development approach and methodology can be replicated in other urban settlements in India. The project is being supplemented by a training and institutional strengthening programme, which will facilitate the transfer of new technologies and improvements in operation and maintenance of these new technologies. One of the project's goals is to improve living conditions in the targeted areas by installing drinking water and drainage systems. A socio-economic unit (SEU) in the project supports these technical interventions by encouraging the community to participate in project activities. The Occupational Health Programme in Mirzapur was conceived by the SEU to improve the health and living conditions of child and adult weavers. At the start of the programme, 200 weavers and 60 non-weaver workers from Mirzapur city, matched for age and socio-economic status, were interviewed and underwent a physical examination. The mean age of the weavers is 27 years, reflecting the relatively large percentage of child labour (13.5%). Illiteracy among them is 73%, whereas 14% have had only a primary education. 64.5% of the carpet weavers are Muslims and 35.6% are Hindus. 61% own a loom or work in a family owned loom shed. 95% of the weavers have a monthly income of less than 600 Rs. Complaints of a persistent cough and cough with expectoration, backache, the common cold and joint pains occurred more often in the weaver population than in the comparison group and have been identified as 'occupational hazards'. An intervention programme has been implemented based on the results of the occupational health survey. These interventions include awareness camps, installment of plexiglass tiles for light improvement in the loom sheds, training of community health volunteers and house-to-house health education. Another essential part of the programme is the provision of functional literacy classes for child and adult labourers in the carpet weaving industry. Occupational health as an entry point proved to be a successful approach in this segment of the informal sector, where child labour plays an important role.
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PMID:An occupational health programme for adults and children in the carpet weaving industry, Mirzapur, India: a case study in the informal sector. 143 12


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