Search Results
Results 401 - 450 of 579
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Mahmic A - - 1998
BACKGROUND: Infancy may be a critical time for exposure to house dust mite allergens, when exposure to high levels can increase the risk of allergic sensitization and the development of asthma in later life. OBJECTIVE: To measure house dust mite allergen (Der p 1) concentration in the infants' environment and ...
Karaman O - - 1998
BACKGROUND: The wheezing infant is a common but difficult patient to approach diagnostically. The prevalence of immunoglobulin (Ig) G subclass deficiency in wheezing infants is still controversial. METHODS: We studied the serum concentration of IgG subclasses in 38 wheezing infants (aged 6-24 months) who had not received systemic steroids before ...
Scott P W - - 1998
Many countries have reported an increase in the death rate from bronchial asthma. Evaluation of the situation in Jamaica was undertaken to see if the trend is similar to that reported from elsewhere by analysing deaths for the period 1980 to 1989. There was an increase in the death rate ...
Harju T - - 1998
The purpose of this study was to examine possible seasonal variations in relations between hospital treatment periods and in deaths (asthma-related and other) among adult asthmatics. Out of a total of 364,871 asthma-induced hospitalization periods (diagnosis No. 493, International Classification of Diseases) recorded in the hospital discharge register maintained by ...
Svanes C - - 1998
There is evidence that the origin of obstructive lung disease may be traced back to foetal life. The associations between birth characteristics and asthma symptoms were studied in a random population sample of young Norwegian adults. Respiratory symptoms were recorded in a population-based questionnaire survey. The records of all subjects ...
Sawyer G - - 1998
BACKGROUND: High exposure to house dust mite and cat allergens in early life predisposes to allergic sensitization and to the development and persistence of asthma. Prevalence and severity of asthma are high in New Zealand. OBJECTIVE: The objective of this study was to determine the concentrations of Der p 1 ...
Warner J A - - 1998
There has been increasing interest in the possibility that the mother has an important role to play in influencing the development of fetal and infant immune responses to allergens during gestation. This finding, by several groups, of specific immune responses of infants at birth to individual trigger factors associated with ...
Chew F T - - 1998
The relationship between the month of birth and prevalence of diagnosed asthma, asthma-like symptoms (wheezing, nocturnal cough, and exercise wheezing), rhinitis, and eczema was investigated in four cohorts each of primary schoolchildren and secondary school (high school) adolescents in Singapore by questionnaire survey. Significantly increased prevalence rates of diagnosed asthma ...
Polyzou A - - 1998
We investigated the failure of 2-PAM to protect honey bees against poisoning with paraoxon. The protective effect of the oxime 2-PAM against inhibition of acetylcholinesterase (AChE) by paraoxon was estimated in vitro and in vivo and was correlated with the mortality of paraoxon-treated bees. In vitro, 2-PAM protected 90% of ...
Prakash A - - 1998
In an entomological study in South Tripura district of Tripura state during June 1998, a total of 31 species of mosquitoes belonging to eight genera were recorded. Among the known malaria vectors in India, Anopheles annularis, An. jeyporiensis, An. minimus, An. philippinensis/nivipes and An. varuna were collected but none of ...
- - 1998
There is a common progression known as the allergic march from atopic dermatitis to allergic asthma. Cetirizine has several antiallergic properties that suggest a potential effect on the development of airway inflammation and asthma in infants with atopic dermatitis. METHODS: Over a two year period, 817 infants aged one to ...
Bråbäck L - - 1998
BACKGROUND: There is evidence to suggest that atopic disease in adulthood could be manifestations of events in early life. OBJECTIVES: To investigate the relationship between perinatal risk factors and the prevalence of allergic rhinitis and asthma in conscripts. METHODS: A retrospective cohort study, where information from the Military Service Enrolment ...
Shannon M - - 1998
Childhood lead poisoning is characteristically a disease that occurs between the second and third years of life, generally resulting from the child's ingestion of lead-based paint or dust. However, lead poisoning may also appear in the first year of life. The case of a 4-month-old infant is reported in which ...
Ibero M - - 1998
Gastroesophageal reflux has been named as a possible etiologic factor in infant asthma. We studied 28 boys and six girls aged 19.4 +/- 4.8 months whose asthma began at the age of 7.5 months (1 to 28 months). A common protocol including allergy tests and 24-h intraesophageal pH monitoring (IEpHM) ...
Yoon S S SS Epidemic Intelligence Service, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Ga 30341-3724, USA. - - 1998
Unintentional carbon monoxide (CO) poisoning causes approximately 2100 deaths in the United States per year, but the use of CO detectors could potentially prevent many of these deaths. To describe the epidemiology of potentially preventable unintentional CO poisoning deaths in New Mexico. Descriptive analysis. A total of 136 deaths from ...
Price C A - - 1998
"Between 1947 and 1998 there was a net inflow of 4.8 million migrants to Australia. Only 29.6 per cent were born in Britain and Ireland. Other surprising findings are that more were born in Indo China than Greece and Cyprus and that more were born in New Zealand than Italy."
- - 1997
Asthma is a chronic inflammatory disorder of airways characterized by variable airflow obstruction with airway hyperresponsiveness. In the United States, the mortality rate associated with asthma has increased steadily since 1979. Uneven distributions of deaths attributable to asthma have been observed among different racial/ethnic groups. To examine the distribution of ...
Neeleman J - - 1997
STUDY OBJECTIVE: Although the total number of self poisonings in England and Wales has dropped by 32%, the number involving methadone and/or heroin rose by 900% in 1974-92. Because of concern about the role of methadone in this increase, the part played by methadone and heroin in poisoning deaths in ...
Koller D Y - - 1997
BACKGROUND: In association with respiratory tract infections, infants may have episodes of wheezing, which represent the onset of asthma in some of them. Activated eosinophils play a central part in asthmatic inflammation. OBJECTIVE: We investigated whether, in infants experiencing their first episode of wheezing, eosinophil activation is present and can ...
Mamlok R - - 1997
Wheezing in infancy presents the clinician with at least two broad clinical problems. First is the task of distinguishing the common entities of bronchiolitis and asthma from rare, yet potentially life threatening illnesses that may present with wheezing. The second problem deals with the difficulties in distinguishing an infant with ...
Go R O - - 1997
When infants with recurrent wheezing have a clinical course inconsistent with asthma, an extensive list of alternative diagnoses needs to be considered. Anatomic malformations, such as congenital heart disease, laryngotracheomalacia, and diaphragmatic hernia, should be considered for immediate medical stabilization and early surgical correction. Life-threatening infections such as bacterial epiglottitis, ...
Lanes S F - - 1997
To evaluate the hypothesis that fenoterol or all inhaled beta-agonists caused an epidemic of asthma mortality in New Zealand from the late 1970s to the mid-1980s, we examined trends from 1970 to 1992 in per capita sales of inhaled fenoterol, inhaled beta-agonists, and asthma mortality in New Zealand and nine ...
Schmidt K - - 1997
85 Patients who underwent a spherical PRK with an average of 6.08 dptr. and who could be followed over a period of 1 year were evaluated. After 1 year an average induced astigmatism of 0.58 dptr. was found. There seems to be a correlation between induced astigmatism and depth of ...
Beasley R - - 1997
Throughout the 20th century many different patterns of asthma mortality have been observed. Following relatively stable asthma mortality rates during the first half of this century, there has been a gradual increase in asthma mortality in many countries over the last 50 years. Although a number of possible explanations have ...
Massey D G - - 1997
Hawaii has the highest asthma mortality in the nation and clinically has always had high rates. In contrast, international consensus has it that deaths have been rare over the past two centuries to 1950. The objective of this study was to document Hawaii's asthma mortality over the centuries to 1950. ...
Kolnaar B G - - 1997
The clinical significance of asymptomatic bronchial hyperresponsiveness (BHR) is not well-known. The aim of this study was to explore, in a cross-sectional analysis, the characteristics of adolescent subjects with asymptomatic BHR, as compared to nonhyperresponsive subjects and those with symptomatic BHR. The subjects were selected by date of birth from ...
Ecoff S A - - 1996
PURPOSE: To describe the rare problem of severe bronchospasm occurring during cardiopulmonary bypass in a six-year-old-child. CLINICAL FEATURES: Severe bronchospasm became apparent on attempting to resume controlled ventilation prior to weaning from cardiopulmonary bypass. The patient had a previous history of asthma but was asymptomatic preoperatively. Aggressive therapy with multiple ...
Kar I - - 1996
Longitudinal study taken up for one year in 10 different types of breeding habitats in Dindigul town, Tamil Nadu, revealed that out of 51,785 habitats 225 (0.43%) were found positive for Anopheles stephensi immatures. The overall positivity varied between 0.03 to 1.31% with peak density during July. The observed habitat-wise ...
Mafuyai H B - - 1996
Cytotaxonomic analysis of Simulium damnosum s.l. larvae collected from 23 sites across 4 bioclimatic zones in Nigeria revealed the presence of 5 cytospecies (S. damnosum s.str., S. sirbanum, S. squamosum, S. yahense and S. soubrense (including the Beffa form). The biogeographical distribution of the sibling species was mostly similar to ...
Sánchez-Fortún S - - 1996
The acute toxicity of chlorpyrifos, methylchlorpyrifos, parathion and methylparathion to three age classes of Artemia salina was determined. In general, A. salina 24-h old was less sensitive to these organophosphorous insecticides (OPI) than A. salina 48-h old and A. salina 48-h old was significantly more tolerant than A. salina 72-h ...
Tsoukali H - - 1996
Human mortality data due to toxic substances are presented for 1990 through 1995. The number of analyses required, results, sex of the deceased, toxic agents encountered and their fluctuations over the years are given. There was a decrease in pesticide poisonings with a corresponding increase in heroin deaths, but the ...
Guite H F - - 1996
BACKGROUND: A study was carried out to determine the extent to which asthma deaths are wrongly attributed to another cause on UK death certificates. METHODS: Deaths from all causes occurring anywhere in the UK were identified amongst 2382 subjects aged 16-64 years within three years of discharge following hospital treatment ...
Byard R W - - 1996
A three-month-old boy and an eight-month-old boy died from accidental positional asphyxia and hanging, respectively, after being placed to sleep unsupervised in stroller-prams. Both infants had moved down towards the fronts of the stroller-prams. The younger infant fell out when the footplate collapsed and he was found hanging from a ...
Fuller R W - - 1996
1. Asthma is a potentially dangerous disease. Asthma deaths occur at varying degrees throughout the world and there is evidence for epidemics occurring in different populations at different times. Such epidemics have been noted as early as last century. Much investigation has been made into the role of inhaled beta-adrenoceptor ...
Hooker B S - - 1996
In the past year, there has been a dramatic maturation of intrinsic bioremediation technologies. As methods pertinent to the intrinsic bioremediation of fuel hydrocarbons have become better established, a comprehensive protocol has been developed for the validation and prediction of these processes. Study of intrinsic bioremediation of other prevalent contaminants, ...
Schreur H J - - 1996
We postulated that the distinct pathophysiologic mechanisms of airway narrowing during the early (EAR) and the late (LAR) asthmatic responses to inhaled allergens are reflected by the generation or transmission of lung sounds in asthma. Therefore, we measured FEV1 and recorded lung sounds in eight mildly asthmatic subjects before a ...
Aldous M B - - 1996
Lower respiratory tract illness (LRI) is associated with exposure to various environmental factors. The relation between home environment and LRI in infants was studied with the use of data from the Children's Respiratory Study in Tucson, Arizona. Healthy infants from a health maintenance organization were recruited at birth (1980-1984). Analysis ...
Smyth E T - - 1996
BACKGROUND: Studies of mortality from asthma and chronic obstructive pulmonary disease (COPD) have relied on death certification or registration for case finding. The aim of this study was to determine the accuracy of death certification and registration in asthma and COPD. METHODS: All death certificates in Northern Ireland for 1987 ...
Rubin B K - - 1996
Ipratropium bromide is a quaternary ammonium anticholinergic bronchodilator with minimal systemic absorption across the blood-airway barrier. Ipratropium bromide has become primary therapy for the treatment of adults with chronic bronchitis, but its use in children has been limited. Ipratropium bromide can be safely used in the management of acute bronchiolitis, ...
Karachaliou F H - - 1995
The aim of the study was to evaluate the influence of the month of birth on the development of atopic disease and the rate of sensitization to common environmental allergens in Greece. Analysis of the month of birth of 1755 individuals with atopic disease (asthma, rhinitis, atopic dermatitis), out of ...
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 ...
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