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

Several studies have shown that indoor pollution increases the risk for chronic pulmonary diseases and acute respiratory symptoms in children/adolescents. Some associations have been confirmed by studies. Other relations are still unclear, such as those regarding dog and cat ownership. In this study we assessed the relationships of the exposure to mould and dog/cat ownership with respiratory/allergic symptoms/diagnoses, such as wheezing, asthma, rhinoconjunctivitis, eczema, and cough/phlegm in 20,016 children (6-7 yrs old) and 13,266 adolescents (13-14 yrs old) from 12 Italian areas. Early mould exposure (in the first year of life) was positively related to all considered symptoms/diagnoses (significantly for wheezing, asthma, rhinoconjunctivitis in both children and adolescents, and for cough/phlegm among children); current exposure (in the last year) was a significant risk factor for wheeze, among children. In the latter, dog exposure only in the first year of life increased the risk for wheezing and cough/phlegm, whereas the presence of a dog lifetime seemed a protective factor (though not significant) for all symptoms/diagnoses; negative relations (but not significant) suggested a protective effect by the cat for asthma, independently of exposure period. Among adolescents, the presence of a dog both lifetime and only in the first year of life was significantly related to cough/phlegm; except for rhino-conjunctivitis, all symptoms/diagnoses were negatively related to the presence of a cat lifetime (though not significantly). In conclusion, our results confirmed the effects of mould exposure, especially when it occurs early, on the prevalence of respiratory disorders such as asthma, rhinitis and cough in the pediatric age. The complex relations between keeping a dog or cat at home and respiratory/allergic symptoms/diseases in childhood warrants further studies.
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PMID:[Effects of indoor exposures on respiratory and allergic disorders]. 1612 56

The pathogenesis of a new isolate of canine distemper virus (CDV), strain 007Lm, was investigated from lymph node tissue by using Vero cells that express canine signalling lymphocyte activation molecules with a tag (Vero-DST) in dogs. Two CDV sero-negative Beagle dogs were inoculated intranasally and intraconjunctively with a virus suspension. Both infected dogs showed clinical signs of severe bloody diarrhea, conjunctivitis, ocular discharge, nasal discharge and coughing, lymphopenia, fever and weight loss. Titers of CDV-IgM and CDV-IgG in the blood were measured. CDV was detected by using reverse transcriptase-PCR and was recovered in swabs from one dog from 9 days and from the other dogs from 10 days after inoculation. Molecular and phylogenetic analyses of H and P genes showed that nucleotide and amino acid sequences of these genes of strain 007Lm after isolation in Vero-DST cells are identical to those of the original virus from fresh tissue and that strain 007Lm joins to the Asia 2 group cluster of CDV strains that is distinct from other clusters. These results indicate that (1) CDV strain 007Lm isolated in Vero-DST cells is virulent, (2) nucleotide and amino acid sequences of H and P genes of strain 007Lm do not change after isolation in Vero-DST cells compared with the original virus from fresh tissue and (3) strain 007Lm isolated from a vaccinated dog belongs to a cluster far from the vaccine strains in the phylogenetic trees of H and P genes.
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PMID:Pathogenesis and phylogenetic analyses of canine distemper virus strain 007Lm, a new isolate in dogs. 1614 49

On May 29, 2005, the Indiana State Department of Health (ISDH) was notified of suspected measles in a female Indiana resident aged 6 years who was hospitalized in Cincinnati, Ohio, where she had been visiting relatives. Serologic analyses performed by the Ohio State Department of Health Laboratory and a private reference laboratory confirmed the diagnosis of measles. The hospital in Cincinnati and the girl's parents told ISDH she had been at a church gathering in northwestern Indiana on May 15 where a fellow attendee had been ill. This fellow attendee was an adolescent girl aged 17 years, an Indiana resident who had not been vaccinated for measles and who had worked during May 4--14 as a missionary in an orphanage and hospital in Bucharest, Romania, where a large measles outbreak was subsequently reported. The teen had returned to the United States with prodromal fever, cough, conjunctivitis, and coryza, traveling on international and domestic commercial airliners on May 14. The next day the teen attended the church gathering along with others who had not been vaccinated because of nonmedical exemptions. Family members recalled that the teen had a rash on May 16; measles was diagnosed retrospectively, and the teen was identified as the index patient. An outbreak investigation was conducted by ISDH and CDC. This report summarizes 1) the results of that investigation, which identified 34 persons with measles, including three who required hospitalization, 2) the measures taken to control and prevent measles transmission, and 3) recommendations to prevent future cases of measles.
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PMID:Import-associated measles outbreak--Indiana, May-June 2005. 1625 62

The causality of observed associations between air pollution and respiratory health in children is still subject to debate. If reduced air pollution exposure resulted in improved respiratory health of children, this would argue in favor of a causal relation. We investigated whether a rather moderate decline of air pollution levels in the 1990s in Switzerland was associated with a reduction in respiratory symptoms and diseases in school children. In nine Swiss communities, 9,591 children participated in cross-sectional health assessments between 1992 and 2001. Their parents completed identical questionnaires on health status and covariates. We assigned to each child an estimate of regional particles with an aerodynamic diameter < 10 microg/m3 (PM10) and determined change in PM10 since the first survey. Adjusted for socioeconomic, health-related, and indoor factors, declining PM10 was associated in logistic regression models with declining prevalence of chronic cough [odds ratio (OR) per 10-microg/m3 decline = 0.65, 95% confidence interval (CI), 0.54-0.79], bronchitis (OR = 0.66; 95% CI, 0.55-0.80), common cold (OR = 0.78; 95% CI, 0.68-0.89), nocturnal dry cough (OR = 0.70; 95% CI, 0.60-0.83), and conjunctivitis symptoms (OR = 0.81; 95% CI, 0.70-0.95). Changes in prevalence of sneezing during pollen season, asthma, and hay fever were not associated with the PM10 reduction. Our findings show that the reduction of air pollution exposures contributes to improved respiratory health in children. No threshold of adverse effects of PM10 was apparent because we observed the beneficial effects for relatively small changes of rather moderate air pollution levels. Current air pollution levels in Switzerland still exceed limit values of the Swiss Clean Air Act; thus, children's health can be improved further.
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PMID:Decline of ambient air pollution levels and improved respiratory health in Swiss children. 1626 23

Current data concerning epidemiology, clinical picture, pathogenesis, prevention and treatment of Avian influenza H5N1, data of pharmacodynamics and pharmacokinetics of antiviral drugs--neuraminidase inhibitors and M2 channels inhibitors, also the recommendation of WHO for prevention prevalence of infection were discussed in the review. Strategic measures of WHO aims to protect humans from contact with infected poultry, in case of contact, to prevent transmission of this infection from human to human and occurrence of pandemic. Infected birds were the major source of the H5N1 influenza virus among humans in Asia. Mainly humans became infected by eating infected birds, by poor hygiene procedures when cooking infected birds, or by close contact with infected poultry. At present transmission of the H5N1 influenza from human to human by aerosol way hasn't been registered, but ongoing monitoring for identification mutation and adaptation of H5N1 influenza virus to human is needed. Season influenza and avian H5N1 influenza differ by the ways of transmission, clinical picture, severity, pathogenesis, response to treatment. Diagnostic of infection is difficult due to non-specific initial symptoms, in most cases disease begins with disturbance of under respiratory ways and in rare cases--from upper respiratory ways. High viral titre is identified in pharynx but not in nose. Initial symptoms of the H5N1 influenza are: fever greater then 38 degrees Celsius, mild cold, cough and shortness of breath, practically all patient have viral pneumonia, later secondary bacterial infection occurs, mild to severe respiratory distress, diarrhea, vomiting and abdominal pain. Conjunctivitis is rarely diagnosed contrary to season influenza. Sometimes gastrointestinal disorder begins a week early then respiratory symptoms. Complication also includes renal and multi organ failure. The cytokine storm is commonly developed during H5N1 influenza. For treatment and for prevention (under certain conditions) of the H5N1 influenza neuraminidase inhibitors such as oseltamivir (Tamiflu) and zanamivir (Relenza) are recommended. Currently circulatory of the H5N1 strains are fully resistant to an older class of antiviral drugs--the M2 channels inhibitors (amantadine and rimantadine). The knowledge of epidemiology, pathogenesis, clinical picture, treatment of the H5N1 influenza in humans, in spite of progress isn't complete. Future coordination of scientific investigation of the H5N1 influenza in humans should be provided not only in the countries where infection was revealed, but all around the world.
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PMID:[Epidemiology, clinical picture, prevention and treatment of Avian influenza]. 1657 38

West Nile virus (WNV) is a member of the Flaviviridae family, genus Flavivirus. Its reservoir hosts are wild birds. Infection is transmitted to humans by infected mosquitoes of the genus Culex. In most cases, it is either asymptomatic or manifests itself as mild fever. Typically, WNV illnesshas a sudden onset with fever above 39 degrees C and accompanying symptoms such as chills, headache, arthralgia, myalgia, back ache, cough and sore throat. Gastrointestinal symptoms are frequently reported. Generalized lymphadenopathy and conjunctivitis may develop. In some patients the infection can progress to meningoencephalitis. Diagnosis is currently based on detection of IgM antibodies in blood and cerebrospinal fluid or direct detection of WNV RNA.
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PMID:[West Nile virus fever]. 1661 42

Pregnant women who have an urogenital Chlamydia trachomatis infection may transmit the infection to their infants. Conjunctivitis and nasopharyngeal infection are the most frequent manifestations. Less frequently the infants may develop pneumonia. We report a case of a 5-week-old girl with poor feeding, staccato cough and clinical signs of pneumonia. Chest radiography revealed severe bronchopneumonia. Despite of intravenous therapy with ampicillin and gentamicin respiration deteriorated and oxygen supplementation became necessary. After additional treatment with oral erythromycin (50 mg/kg per day) had been started the clinical condition improved. Polymerase chain reaction with a nasopharyngeal specimen was found to be positive for Chlamydia trachomatis.
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PMID:[A young infant with afebrile pneumonia caused by Chlamydia trachomatis]. 1688 99

Disease associated with exposure to mycotoxins is known as the "Great Masquerader" of the 21st century because of its complex natural history involving different tissues and resembling different diseases at each stage in its evolution. It can present with a variety of nonspecific clinical signs and symptoms such as rash, conjunctivitis, epistaxis, apnea, cough, wheezing, nausea, and vomiting. Some cases of vomiting illness, bone marrow failure, acute pulmonary hemorrhage, and recurrent apnea and/or "pneumonia" are associated with exposure to mycotoxins. Familiarity with the symptoms of exposure to the major classes of mycotoxins enables the clinician to ask pertinent questions about possible fungal exposures and to remove the infant or child from the source of exposure, which could be contaminated food(s), clothing and furniture, or the indoor air of the home. Failure to prevent recurrent exposure often results in recurrent illness. A variety of other conditions, including hepatocellular and esophageal cancer and neural tube defects, are associated with consumption of foods contaminated with mycotoxins. Awareness of the short- and long-term consequences of exposures to these natural toxins helps pediatricians to serve as better advocates for children and families.
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PMID:What the primary care pediatrician should know about syndromes associated with exposures to mycotoxins. 1693 59

The aim of this study was to evaluate the clinical, epidemiological and demographical features of adult measles cases admitted to our hospital, during the measles epidemic which emerged in Europe and in our country in the year 2001. A total of 35 adult measles cases (10 male, 25 female) ages between 16-36 (mean age: 23.1 +/- 4.6) years were detected between January and June 2001. The diagnosis was based on the clinical findings, however only 11 of the cases could be serologically confirmed with the presence of measles IgM antibody positivities. Fever (91.4%), cough (94.3%) and conjunctivitis (77.1%) were the most common symptoms. All of the patients had maculopapular rash, and the presence of Koplik spots, lymphadenopathy and hepatomegaly were observed in 77.1%, 57.1%, and 5.7% of patients, respectively. Leukopenia and elevated liver enzymes were detected in 28.5% and 37.2% of the patients, respectively. Pneumonia was the most common complication which was seen in 20% of the patients. Of the cases 2.9% exhibited otitis media and 17.1% diarrhea. Spontaneous abortus occurred in one of the three pregnant women. In conclusion, measles is still an important public health problem in our country, and since it may lead to severe complications and economic and labor loss, an effective elimination programme should be obtained by the use of vaccine in two doses and effective strategies for the immunization of the target populations.
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PMID:[Evaluation of 35 adult measles cases detected in a measles outbreak]. 1742 55

The so-called emerging allergens have gained particular interest as causes of atopic diseases, and among these the cypress pollen. In fact, several allergens derived from the Cupressaceae family have appeared for the first time in new environments, thus causing unexpected phenomena. From May 2002 to May 2003 we have examined 560 patients who sought medical attention at the Center for allergic diseases in children. The patients came from various towns and villages from Southern Sardinia and all had undergone prick tests for inhaled allergens, irrespective of their complaints. The presenting symptoms were either respiratory (wheezing cough, rhinitis, asthma), cutaneous (eczema, nettle rash, angioedema) or ocular (conjunctivitis). All patients had a prick test for pollens (cypress, olive, wall pellitory, rag weed, composite, mix gross pollen), acari (Dermatophagoides farinae, Dermatophagoides pteronyssimus), dog and cat hair, and fungi (alternaria alternata, aspergillus fumigatus). Thirteen percent of patients (73/547) resulted allergic to cypress pollen, and three of them had a mono-allergy (4,1%). Among these, one suffered bronchospasm, rhinitis and asthma more severe in January-February associated with recurring small eczematous lesions. Another one suffered bronchial asthma during winter months and the last one complained of rhinitis and nasal itching also during winter months.
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PMID:[Epidemiologic investigation of the pollen allergy to Cupressaceae in a population at risk for atopy]. 1753 3


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