Search Results
Results 451 - 500 of 589
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Azevedo I - - 1995
To test the hypothesis that alveolar macrophages (AM) from wheezy infants release increased amounts of eicosanoids, as do AM from adults with asthma, we compared eicosanoid release by unstimulated- and ionophore-A23187-stimulated AM from 13 wheezy and six nonwheezy infants and analyzed its regulation by dexamethasone in vitro. Alveolar macrophages from ...
Jameson P - - 1995
Cat exposure has been directly associated with the development of human Bartonella henselae infections, resulting in cat-scratch disease, bacillary angiomatosis, or bacteremia. The prevalence of serum antibody titers to B. henselae was determined for selected pet cats from 33 geographic locations throughout the United States and several areas in western ...
Jackson E - - 1995
We have compared results obtained with an uncalibrated respiratory inductance plethysmograph (RIP) with those of a face mask and pneumotachograph (PNT) for the computerized measurement of the time to reach peak tidal expiratory flow as a ratio of total expiratory time (tPTEF:tE). Simultaneous measurements were made in 32 healthy neonates ...
Upton S J - - 1995
A previously undescribed species of Chloromyxum (Myxozoa: Chloromyxidae) was found in plasmodia adhering to the epithelium of the gall bladders in salamanders of the genus Eurycea (Caudata: Plethodontidae) from Arkansas and Texas (USA) in November, December, and January, 1987 to 1994. Bivalved spores of Chloromyxum salamandrae sp. n. from Eurycea ...
Risser D - - 1995
Carbon monoxide poisoning occurs frequently in industrialized countries. Between 1970 and 1978 in Vienna, the capital of Austria, carbon-monoxide-rich coal gas was replaced with natural gas. Despite this fact, people still die of unintentional carbon monoxide poisoning. The main purpose of this study was to determine the reasons for unintentional ...
Thompson J P - - 1995
1. Data on deaths from pesticide poisoning occurring in England and Wales in 1990 and 1991 have been collated. Pesticides were responsible for 44 of 3978 deaths from poisoning (excluding carbon monoxide and other gases) over this period. 2. At least 66% of all pesticide fatalities were due to suicide ...
Kelly Y J - - 1995
BACKGROUND: A study was carried out to analyse the impact of maternal asthma on the risk of preterm delivery and the contribution of preterm delivery to the development of childhood asthma. METHODS: Two cross sectional community studies of 1872 children (5-11 years) in 1991 and 3746 children in 1993 were ...
Pearce N - - 1995
In 1989, a case-control study reported that inhaled fenoterol was associated with the epidemic of asthma deaths that had affected New Zealand since 1976. The New Zealand Department of Health issued warnings about the safety of fenoterol and restricted its availability. The associated time trends are consistent with the hypothesis ...
Carvalheiro M F - - 1995
Work-related respiratory symptoms and bronchial reactivity were studied in 76 never-smoking farmers and in a control group not exposed to organic dusts. The farmers were divided into those working with vegetables/grain crops, animals but not swine, and with swine. The extent of symptoms was evaluated using a specific organic dust ...
Model D - - 1995
A 2 yr District-wide study was carried out to assess whether there were preventable factors in the management of patients dying from asthma, and also to assess the accuracy of death certification of asthma. Eighteen deaths occurred in which asthma was the certified cause of death. In 10, asthma was ...
Lang D M - - 1994
BACKGROUND: The rate of mortality from asthma has increased substantially in the United States since 1978. We analyzed the patterns of the rates of death from asthma in Philadelphia between 1969 and 1991. METHODS: The rates of death from asthma were analyzed and compared with trends in the concentrations of ...
Delacourt C - - 1994
Early recognition of infantile asthma in wheezing infants is a major problem for physicians. We investigated whether detection of early sensitization to inhalant allergens would be useful to identify those wheezing infants who are likely to develop asthma. A total of 67 infants (aged 1-25 months) hospitalized for a wheezing ...
Chitsike I - - 1994
Forty two cases of acute poisoning were studied retrospectively over a two year period (1990 to 1991, inclusive) in the paediatric Intensive Care Unit (ICU), at Parirenyatwa Hospital in Harare. This formed 8.6 pc of the total admissions into the unit over the same period. The four commonest types of ...
Sly R M - - 1994
BACKGROUND: Increasing rates of death from asthma in the United States have stabilized somewhat since 1988. Case-control studies have suggested possible adverse effects of inhaled beta-adrenergic agonists that may have contributed to mortality. OBJECTIVE: To examine possible relationships between changing asthma mortality and sales of inhaled antiasthmatic drugs. METHODS: The ...
Sears M R MR Firestone Regional Chest and Allergy Unit, St Joseph's Hospital, Hamilton, Ontario, - - 1994
Links between frequent use of inhaled beta 2-agonists and morbidity and mortality from asthma appear probable. Two mortality epidemics followed the marketing of potent inhaled adrenergic agents. Case-control studies in New Zealand linked mortality with prescription of fenoterol, especially in severe asthma. A Saskatchewan case-control study confirmed an association of ...
Beards S C - - 1994
A 32-year-old man presented with symptoms of severe organophosphate poisoning and required an atropine infusion for 5 weeks. We believe the development of a paralytic ileus occurred as a rare feature of atropine toxicity when other signs were masked by the underlying condition. The onset of a paralytic ileus coincided ...
Casey R - - 1994
The purpose of this study was to assess the prevalence of lead poisoning in an urban cohort of infants with high socioeconomic status and to determine the usefulness of the Centers for Disease Control (CDC) questionnaire in predicting lead poisoning. The CDC questionnaire was administered to consecutive parents of infants, ...
Kaplan B - - 1994
A correctly prescribed constitutional homoeopathic remedy can increase well-being in the preconceptual period. For infertility, orthodox investigations are essential but where tests are normal then homoeopathic treatment of both pariners can maximise their health and may improve the chances of conception. Homoeopathic remedies can be effective for morning sickness and ...
Galoppin L - - 1994
Epidemiologic studies suggest an association between recurrent bronchiolitis in children younger than 3 years of age and diagnosis of asthma later in life. Bronchoalveolar lavages from 20 infants with recurrent wheezing and 18 nonwheezy control subjects were analyzed to determine whether alveolar macrophages of wheezy infants present abnormalities similar to ...
Matsuoka S - - 1994
We studied the effects of pulmonary congestion on the development of atopic asthma in 31 infants with congenital heart disease. Respiratory distress did not resolve after surgery in seven patients, six of whom had a family history of allergy. Pulmonary congestion in infancy may increase the risk of atopic asthma ...
Field P I - - 1994
BACKGROUND: In asthmatic subjects bronchoconstriction is induced by inhalation of the common food preservatives sulphur dioxide (SO2) and metabisulphite (MBS). SO2 and MBS challenges share many similarities, but it is not known whether they are equivalent. In this study of subjects with mild clinical asthma equivalence was assessed by comparing ...
Suissa S - - 1994
The association between the use of inhaled beta-agonists and the risk of death and near-death from asthma has previously been reported. It was based on a nested case-control study of 129 cases and 655 control subjects selected from a cohort of 12,301 users of asthma drugs followed during the period ...
Swisher C C CC - - 1994
40Ar/39Ar laser-incremental heating of hornblende separated from pumice recovered at two hominid sites in Java, Indonesia, has yielded well-defined plateaus with weighted mean ages of 1.81 +/- 0.04 and 1.66 +/- 0.04 million years ago (Ma). The hominid fossils, a juvenile calvaria of Pithecanthropus and a partial face and cranial ...
Casey P - - 1994
1. Data on deaths from pesticide poisoning occurring in England and Wales between 1945 and 1989 (no data are available for 1954) have been collated; pesticides were responsible for only 1012 (1.1%) of the 87,385 deaths from poisoning (excluding those due to carbon monoxide) occurring over this 44 year period. ...
Wright S C - - 1994
BACKGROUND: Asthma mortality has been rising in many western countries for largely unknown reasons. One cause could be change in certification practice. This study was designed to investigate the accuracy of death certification in Northern Ireland for the years 1981-4 and, in addition, to assess the reliability of trends observed ...
Hilman B C - - 1994
Wheezing is a very common symptom or sign in the infant. The evaluation of the underlying cause of the wheezing is difficult and requires a thorough assessment of several factors in the history and physical examination and a basic understanding of the pathophysiology of wheezing. With the increased availability of ...
Cluroe A D - - 1994
Using retrospective histological material and clinical data from the New Zealand National Asthma Mortality Study, we investigated whether there was a relationship between the presence of pulmonary interstitial emphysema (PIE) and different clinical features in fatal asthma, in particular precipitous asthma death. Histological evidence of PIE was determined in sections ...
Lagerquist J E - - 1994
Lead poisoning and other causes of mortality of 115 trumpeter (Cygnus buccinator) and 21 tundra (C. columbianus) swans from northwestern Washington (USA) from 1986 to 1992 are reported. Necropsies were performed on all 136 swans, liver lead analysis conducted on 110, and differentiation between lead and steel shot pellets recovered ...
Linakis J G - - 1993
STUDY OBJECTIVES: This study was designed to characterize poisoning deaths in Rhode Island and to determine the incidence of poisoning deaths that are not reported to the regional poison center. DESIGN: The records of the state medical examiner were reviewed retrospectively for all toxin-related deaths from January 1986 through December ...
Hay D B - - 1993
In this report the widely-held view that house dust mites benefit from fungal contamination of the dietary substratum is re-examined. The performance of Dermatophagoides pteronyssinus (Acari: Pyroglyphidae) is documented over two successive generations in the presence or absence of the xerophilic fungus Aspergillus penicillioides (Hyphomycetales: Moniliaceae). This fungus reduced survival, ...
Skjelbo E - - 1993
The metabolism of imipramine was investigated in 106 healthy volunteers, all having a sparteine metabolic ratio (MR) of 0.2-0.5 and hence classified as extensive metabolisers. Each subject was given a single oral dose of 25 mg imipramine hydrochloride and blood for assays of imipramine and metabolites was collected 3 h ...
- - 1993
Methanol is used in a variety of commercial and consumer products. Increased use of methanol as a motor fuel may lead to higher ambient air levels and a greater potential for ingestion from siphoning accidents. Methanol toxicity initially is not characterized by severe toxic manifestations. Pathophysiologically, methanol toxicity represents a ...
Jenkins M A - - 1992
Asthma mortality statistics issued by the Australian Bureau of Statistics (ABS) were compared with clinical data from a survey of asthma mortality. Deaths in Victoria from May 1986 to April 1987 containing 'asthma' in Parts 1 or 2 of the death certificate (N = 405) were reviewed. For each subject, ...
- - 1992
Deaths from unintentional carbon monoxide (CO) poisoning in the United States result primarily from exposure to motor-vehicle exhaust and occur more often during the cold months of the year and in northern and midwestern states (1-3). In Michigan, from 1987 through 1989, 103 deaths were related to unintentional CO poisoning. ...
Kerem E - - 1992
Wheezing is a common finding in infants with cystic fibrosis (CF). This study was undertaken to determine the prevalence of wheezing in infants with CF and to compare the clinical outcome of those who wheezed in infancy with that of those who did not. The study cohort included 229 CF ...
Reed H J - - 1992
The behaviour of laying hens housed in 'welfare-improved' cages fitted with one nest per hen was investigated with manipulations of group size (two or four birds), spatial allowance excluding the nests (600 cm2 or 1200 cm2 per bird) and perch provision (presence or absence). More time was spent in the ...
Moss J I - - 1992
Glue that contained an insecticide was evaluated for its ability to yield useful toxicological data for German cockroaches, Blattella germanica (L.). Toxicities of three classes of insecticides were evaluated by topical applications (LD50) and exposure to insecticide-impregnated glue (LC50). Cockroaches that were resistant to topical insecticide applications were also resistant ...
Coates J R - - 1992
Although asthma may be a prominent feature in many cases of terminal illness, it is often incorrectly named as the cause of death. It is difficult to assess asthma death in the older age groups where psychosocial factors are prominent. This review looks at the certification by general practitioners of ...
Mellis C M - - 1992
Most wheezy infants do not have a significant medical problem, and most will outgrow the condition in early childhood. A small proportion, however, have troublesome asthma and suffer significant morbidity (such as severe episodes of breathlessness and persistent distressing cough, and are often admitted to hospital). These infants should be ...
Arshad S H - - 1992
A total of 1167 infants were followed for 1 year in a population-based prospective study to assess the effect of environmental factors on the development of allergic disorders. Some of these environmental factors are interdependent. Mothers who formula fed their infants smoked more often (p less than 0.001) and tended ...
Campbell D A - - 1992
OBJECTIVE: To assess the accuracy of asthma statistics from death certificates in South Australia. DESIGN: Comparison of death certificate coding with expert panel assessments of causes of death after interviews with certifying doctors, regular medical practitioners and close acquaintances of the deceased. SUBJECTS: 261 subjects for whom the term "asthma", ...
Uspensky I - - 1992
A phenomenon of host substitution by the taiga tick (Ixodes persulcatus) larvae was observed by the authors in the western part of the Soviet Far East. In the mountain forests where the highest abundance of I. persulcatus was found, larvae usually fed on small mammals (primarily on Clethrionomys rufocanus, C. ...
Putnam M R - - 1991
Effects of the endophyte Acremonium coenophialum in tall fescue on pregnant mares and foal viability were evaluated. Twenty-two mature pregnant mares were randomly chosen to graze either Kentucky-31 tall fescue that was free from A coenophialum (endophyte-free, EF) or tall fescue infected with A coenophialum (endophyte-present, EP) after the first ...
Soong W J - - 1991
Amphetamine poisoning is rare in children. Here we report two male infants with acute poisoning due to accidental amphetamine ingestion. One infant had a family history of drug abuse and the other was due to poor supervision of the parents. Although typical clinical symptoms and signs (including restlessness, hyperactivity, hypertension, ...
Bown D N - - 1991
Applications of bendiocarb produced a high insecticidal residual effect lasting up to 3 months on the most common indoor house surfaces. No significant decreases in mosquito man-biting rate levels were observed between treated and untreated villages. It was shown that almost equal proportions of intra- and peridomicillary mosquitoes came into ...
Pranzatelli M R - - 1991
Two young children, 5 and 30 months of age, developed acute transient dyskinesias. The novel features of these patients were classic orobuccal-lingual dyskinesias, their young ages, and the association with asthma and theophylline. The movements resembled tardive dyskinesias of older patients on neuroleptics, but neither patient had any exposure to ...
Young S - - 1991
BACKGROUND: Airway responsiveness to inhaled nonspecific bronchoconstrictive agents has been demonstrated in normal, healthy infants. However, it is unknown whether airway responsiveness is present from birth or if it develops as a result of subsequent insults to the respiratory tract. To investigate this question, we assessed airway responsiveness in 63 ...
Osterman J W - - 1991
Standardized French and English versions of the American Thoracic Society (ATS) respiratory disease questionnaire were administered to 204 English-speaking and 406 French-speaking male blue-collar aviation workers unexposed to occupational respiratory hazards. After adjusting for smoking status, age, years of education, foreign birth and maternal language other than French or English, ...
Schatz M - - 1991
OBJECTIVE: To compare the incidence of transient tachypnea of the newborn (TTN) in infants of asthmatic vs nonasthmatic mothers. RESEARCH DESIGN: Case-control analysis. SETTING: Group model health maintenance organization. PATIENTS: A volunteer sample of 294 pregnant asthmatic women and 294 pregnant nonasthmatic women with normal pulmonary function test results, matched ...
Terazawa K - - 1991
A man was found dead in a tank where gaseous dimethyl sulfide (DMS) was present. The concentrations of DMS in the blood and tissue samples were measured by gas chromatography. Mice were experimentally exposed to various concentrations (5%-55%) of gaseous DMS in a confined space and the course of death ...
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