Search Results
Results 351 - 400 of 552
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Ehlenfield D R - - 2000
OBJECTIVE: Bronchiolitis in infancy is viewed as a risk factor for childhood asthma, but factors predicting which infants will have persistent wheezing have not been identified. In addition, the nature of the association between the 2 conditions is uncertain. We wished to determine whether eosinophil counts at the time of ...
Mendoza-Dominguez A - - 2000
A spatially and temporally resolved biogenic hydrocarbon and nitrogen oxides (NOx) emissions inventory has been developed for a region along the Mexico-U.S. border area. Average daily biogenic non-methane organic gases (NMOG) emissions for the 1700 x 1000 km2 domain were estimated at 23,800 metric tons/day (62% from Mexico and 38% ...
Golbabaei F - - 2000
This study was conducted to assess various environmental exposure measurements (total dust, ammonia and endotoxin) of poultry workers at the province of Isfahan, Iran. The results show that the workers who worked in enclosed systems of parent stock barns have the highest exposure to total and respirable dust: 21.3 +/- ...
Young S - - 2000
Reports have suggested that certain infants are predisposed to wheezing in the first 2 yrs of life due to abnormal lung function, prior to the first wheezing illness. The authors investigated the association between infant lung function and wheeze during the first 2 yrs of life. A cohort of 253 ...
Köhler M - - 1999
In this paper, we provide evidence that contrary to the current view, primates on the European continent did survive the dramatic extinction/origination event across the Eocene/Oligocene boundary 34 million years ago that severely affected the Eurasian mammal communities (the European "Grande Coupure" and the Asian "Mongolian Remodeling"). The survival of ...
Groll A H - - 1999
Merck is developing the echinocandin-type antifungal, MK-0991 (L-743872), a beta-1,3-glucan synthesis inhibitor. It is currently undergoing phase III trials for the potential treatment of systemic fungal infections. The compound entered phase II clinical trials in late 1996. It was administered iv once daily and showed antifungal activity in vitro and ...
Leadbitter P - - 1999
BACKGROUND: A study was undertaken to investigate the relationship between birth anthropometric measures and the subsequent development of asthma, airway hyperresponsiveness, and atopy in later childhood. METHODS: A longitudinal study was performed on 734 subjects (71%) from a cohort of children born in Dunedin, New Zealand in 1972-73. The birth ...
Bose T K - - 1999
Yellow oleander (Thevetia neriifolia) is a commonly grown tree found widely in Eastern India. The seeds of yellow oleander are highly poisonous and contain three glycosides--thevetin, thevetoxin and peruvoside. Yellow oleander seed ingestion is usually with suicidal intent in Eastern India. Manifestations range from mild to potentially fatal. It has ...
Sheikh S - - 1999
The relation between silent gastroesophageal reflux (GER) and respiratory problems such as persistent wheezing in infants is not well-established. Between January 1994 and June 1997, we evaluated the incidence of GER in 84 otherwise healthy infants referred to the Pediatric Pulmonary Medicine Division at Kosair Children's Hospital for evaluation of ...
- - 1999
Carbon monoxide (CO) is an odorless, colorless, nonirritating gas produced by the incomplete combustion of carbon-based fuels. CO exposure is responsible for more fatal unintentional poisonings in the United States than any other agent, with the highest incidence occurring during the cold-weather months (1 ). Although most of these deaths ...
Chan-Yeung M - - 1999
BACKGROUND: Cord blood mononuclear cells (CBMNCs) have been found to proliferate when stimulated with food or inhalant allergens. The significance of this finding is not known. OBJECTIVES: We sought to determine the factors associated with proliferation of CBMNCs when stimulated with house dust mite (HDM) allergen and to determine whether ...
Cantani A - - 1999
Bronchiolitis is a common disease of the lower respiratory tract of infants, resulting from inflammatory obstruction of the small airways. It is a predominant viral illness, in which the RSV (respiratory syncytial virus) is the agent in more that 50% of cases. It is not known how many children with ...
Pastuszka J S - - 1999
This work constitutes the first report on the concentration of airborne respirable fibers, and their length distribution in different groups of homes in Sosnowiec, Poland. The measurements have been made by using the MIE Laser Fiber Monitor FM-7400. Mean concentration level of the respirable fibers, longer than 5 microns, ranged ...
Liss G M - - 1999
BACKGROUND: Although fatalities due to asthma have been reported among subjects with occupational asthma (OA) associated with re-exposure, groups of subjects with work-related asthma have not been systematically followed up for mortality. During a review of compensation claims for asthma in Ontario, we identified 3 respiratory deaths among subjects previously ...
Renzi P M - - 1999
Infants are at increased risk of developing asthma after acute bronchiolitis. We assessed the hypothesis that cytokine production is related to the development of asthma after bronchiolitis. The smoking history and the presence of atopy or asthma in parents or siblings were recorded and blood mononuclear cell interferon (IFN)-gamma and ...
Karaman O - - 1999
The wheezing infant is a common but difficult patient to approach diagnostically. The prevalence of IgG subclass antibody deficiency in wheezing infants is still controversial. We studied serum concentration of IgG subclasses in 38 wheezing infants (aged 6-24 months who had not received systemic steroids before investigation) and in 30 ...
Fox G F - - 1999
BACKGROUND: Previous studies suggest that recurrent episodes of coughing and wheezing occur in up to 75% of infants after acute viral bronchiolitis. AIM: To assess the efficacy of budesonide given by means of a metered dose inhaler, spacer, and face mask in reducing the incidence of coughing and wheezing episodes ...
Karaman O - - 1999
BACKGROUND: Some lifestyle factors may be important for the occurrence of wheezing and there are considerable differences around the world. METHODS: Risk factors of wheezing were examined in 38 children (aged 6-24 months). Results were compared with healthy age-matched controls. RESULTS: Family history of atopy, asthma and eczematoid dermatitis, and ...
Sheikh S - - 1999
Eighty-four otherwise healthy infants with daily wheezing underwent infant pulmonary function tests (IPFTs) and 24-h esophageal pH probe studies. Fifty-four (64%) infants had positive pH probe studies, and 30 infants had negative pH probe studies. Many infants in both groups had evidence of peripheral airflow obstruction at tidal breathing and ...
Gregory A - - 1999
BACKGROUND: Recent studies have reported that a large head circumference at birth is associated with an increased risk of raised serum IgE in adult life, and asthma during childhood. OBJECTIVE: To examine the relationship between head circumference and other anthropometric measurements at birth and asthma and indices of atopy in ...
Khaldi E - - 1999
Asthma is a frequent often unrecognized disease. The aim of this study was to assess the clinical and evolutive characteristics of this disorder in a population of Tunisian hospitalized infants. This is a retrospective study of infants less than 30 months of age, presenting at least 3 episodes of wheezing ...
Brown M A - - 1999
Many potential factors are likely involved in the pathogenesis of asthma. These include prenatal, peripartum, and postnatal influences. Prenatally, genetic endowment, maternal smoking, in utero allergen sensitization, and alterations in maternal immune function, especially at the placental level, may increase the risk for asthma and atopy. In the peripartum period, ...
Dreyer K - - 1998
The study was conducted in a peri-urban agricultural system at Botshabelo, a city in the south-eastern Free State. A questionnaire survey revealed that 88.5% of cattle farmers in the area experienced problems related to ticks and tick-borne diseases. Because of the cost of commercial acaricides the Botshabelo farmers use alternative, ...
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 - - 1998
CONTEXT: 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. OBJECTIVE: To describe the epidemiology of potentially preventable unintentional CO poisoning deaths in New Mexico. DESIGN: Descriptive analysis. POPULATION STUDIED: A ...
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 ...
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