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

During the period between 1992 and 1997, there was an increase in levels of methyl tertiary butyl ether (MTBE) in gasoline in the Philadelphia, Pennsylvania, area. In this study, the authors analyzed billing records from clinical practices that were extensions of the University of Pennsylvania. The authors based their selections on the International Classification of Diseases-9 diagnostic codes, which were determined from (1) previous studies of methyl tertiary butyl ether conducted by the Centers for Disease Control; (2) respiratory symptoms, including asthma and wheezing; and (3) symptoms associated anecdotally with methyl tertiary butyl ether levels in gasoline. The authors normalized all data by the total number of office visits. The incidences of headache, throat irritation, allergic rhinitis, cough, nausea, dizziness, upper respiratory infections, wheezing, otitis media, skin rash, anxiety, insomnia, palpitations, generalized allergy, and malaise were increased during the period studied. Large increases occurred during the winters of 1993-1994 and 1994-1995 (during which there were high levels of MTBE), but not in the preceding summers (during which there were low levels of MTBE). This was especially true for asthma and wheezing. During the summers of 1995, 1996, and 1997, the incidences of the aforementioned symptoms increased greatly.
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PMID:Visits to physicians after the oxygenation of gasoline in Philadelphia. 1219 59

The tremendous decline of combustion-derived emissions of traditional air pollutants such as sulphur dioxide (SO2) and total suspended particles (TSP) in Eastern Germany shortly after German reunification in 1990 provided the unique opportunity to study trends of prevalence of respiratory illness along with the improvement of air quality. The present review focused on the results of two repeated surveys of nonallergic respiratory illness in children living in East Germany. The crude prevalence of respiratory illness such as lifetime bronchitis, otitis media, tonsillitis, frequent colds, and frequent cough decreased during the 1990s in East German children. For two surveys the effect estimates showed consistently statistically significant association of TSP with bronchitis. For SO2 statistically significant associations with frequent colds were also consistently found, whereas at least one survey reported higher statistically significant effect estimates for tonsillitis, otitis media, frequent cough and reduced forced vital capacity. The present study concludes that the prevalence of nonallergic respiratory illness in East German children is associated with sulphur dioxide and total suspended particles and that the improvement of air quality has beneficial effects on respiratory health.
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PMID:Nonallergic respiratory morbidity improved along with a decline of traditional air pollution levels: a review. 1276 77

The Advisory Committee on Immunization Practices of the Centers for Disease Control and Prevention recommends influenza vaccination for women who will be in the second or third trimester of pregnancy during the influenza season. We analyzed hospital admissions with principal diagnoses of influenza or pneumonia and influenza-like illness (ILI) outpatient visits to study the effectiveness of influenza vaccine during pregnancy in protecting women and infants from influenza-related morbidity. Estimates of influenza vaccine effectiveness across five flu seasons (Fall 1997 to Spring 2002) were calculated using Cox proportional hazards models for women and infant study populations in Kaiser Permanente Northern California. Outpatient utilization outcomes included physician visits with a diagnosis of upper respiratory infection, pharyngitis, otitis media, asthma, bronchial asthma, viral infection, pneumonia, fever, cough, or wheezing associated with respiratory illness. Inpatient outcomes included hospitalizations with principal diagnoses of influenza or pneumonia. Women who received influenza vaccine during pregnancy had the same risk for ILI visits compared with unvaccinated women, adjusting for women's age and week of delivery. When asthma visits were excluded from the outcome measure, we also found no difference in the risk of outpatient visits for vaccinated and unvaccinated women. Hospital admissions for influenza or pneumonia for women in the study population were quite rare and no women died of respiratory illness during pregnancy. Infants born to women who received influenza vaccination had the same risks for influenza or pneumonia admissions compared with infants born to unvaccinated women, adjusting for infant's gender, gestational age, week of birth, and birth facility. Maternal influenza vaccination was also not a significant determinant of risk of ILI (excluding otitis media) outpatient visits for infants, nor did it significantly affect the risk of otitis media visits. Influenza vaccination during pregnancy did not significantly affect the risk of cesarean section, adjusting for the woman's age. It also did not affect the risk of preterm delivery. Although the immunogenicity of influenza vaccination in pregnancy in mother and infant has been well documented, in this study, we were unable to demonstrate the effectiveness of influenza vaccination with data for hospital admissions and physician visits. One possible interpretation of these findings is that typical influenza surveillance measures based on utilization data are not reliable in distinguishing influenza from other respiratory illness. Hospitalizations for respiratory illness were uncommon in both vaccinees and nonvaccinees.
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PMID:Effectiveness of influenza vaccine during pregnancy in preventing hospitalizations and outpatient visits for respiratory illness in pregnant women and their infants. 1531 70

Parenting books often provide advice for common medical ailments of infants and toddlers. However, the accuracy of such advice has never been evaluated. The purpose of this study is to survey the informational content of a sample of parenting books. Fifty general parenting books were identified and reviewed for the informational content on the following topics: common colds, diarrhea, and otitis media. When covered by the book, accurate and consistent information was generally provided in the following topic areas: non-medicated nose drops for nasal congestion, upright positioning for children with colds, breastfeeding infants with diarrhea, electrolyte solutions for diarrhea, and feeding practices as they relate to otitis media. The following topic areas displayed significant inconsistency: the use of decongestants, antihistamines, expectorants, cough suppressants, and decongestant nose drops for colds; antidiarrheal medications; soft drinks and juice for diarrhea; home recipes for oral hydration solutions; and the usefulness of pressure equalization tubes for refractory otitis media. Practitioners should be aware that parents may be misinformed by some parenting books and take measures to educate parents.
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PMID:Survey of parenting books for advice on the common cold, diarrhea, and otitis media in infants and toddlers. 1537 53

Pertussis in adolescents and adults is common, endemic, and epidemic worldwide, and its incidence is reportedly increasing. Although a number of individuals suffer only a mild cough, many others have symptoms typical of pertussis, causing prolonged cough illness, frequent use of health care resources, missed work and a variety of complications. Symptoms experienced by adolescents and adults include sleep disturbance, weight loss, pharyngeal discomfort, influenza-like symptoms, sneezing attacks, hoarseness, sinus pain, headaches and sweating attacks. Even when symptoms are typical of pertussis, the diagnosis is often not considered in adolescents and adults because of a low awareness of the disease in these age groups. Contrary to common perceptions, complications of pertussis, including some that are serious, are not infrequent in adolescents and adults. These include urinary incontinence, rib fracture, pneumothorax, inguinal hernia, aspiration, pneumonia, seizures and otitis media. Despite underreporting, hospitalization of adults and adolescents does occur. Many believe that adolescents and adults are the groups most commonly infected with pertussis and are now the major source of contagion to infants and young children. Because of the considerable health burden, there is a need for improved vaccination strategies to prevent disease in adolescents and adults and to reduce the risk of transmission to vulnerable infants.
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PMID:Health burden of pertussis in adolescents and adults. 1587 23

Heiner syndrome (HS) is a food hypersensitivity pulmonary disease that affects primarily infants, and is mostly caused by cow's milk (CM). Only a few reports have been published, which may be due to its misdiagnosis. We review here a series of eight cases. When first diagnosed they were 4-29 months of age. They were fed CM from birth and their chronic respiratory symptoms began at age 1-9 months. The symptoms were in the form of cough in seven, wheezing in three, hemoptysis in two, nasal congestion in three, dyspnea in one, recurrent otitis media (OM) in three, recurrent fever in four, anorexia, vomiting, colic or diarrhea in five, hematochezia in one, and failure to thrive (FTT) in two. All had radiologic evidence of pulmonary infiltrates. High titers of precipitating antibodies to CM proteins were demonstrated in six of six and milk-specific immunoglobulin E (IgE) was positive in one of two. Pulmonary hemosiderosis (PH) was confirmed in one patient who showed iron-laden macrophages (ILM) in the bronchoalveolar lavage (BAL), gastric washing, and open lung biopsy. Additional findings, in a descending frequency, were eosinophilia, anemia, and elevated level of total IgM, IgE or IgA. Milk elimination resulted in remarkable improvement in symptoms within days and clearing of the pulmonary infiltrate within weeks. Parents consented to milk challenge in only three cases, all of whom developed recurrence of symptoms. After 2 yr of milk avoidance in one patient, milk challenge was tolerated for 2 months, and then the patient developed symptoms, serum milk precipitins, pulmonary infiltrate, and ILM. The HS should be suspected in young children with chronic pulmonary disease of obscure cause. The diagnosis is supported with a positive milk precipitin test and improvement on a trial of milk elimination. Severe cases may be complicated with PH, which should be suspected in the presence of anemia or hemoptysis and be confirmed with the demonstration of ILM.
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PMID:Milk-induced pulmonary disease in infants (Heiner syndrome). 1617 5

Influenza viruses represent Orthomyxoviridae family. Spherical virions are 80-120 nm in diameter and have two-layer lipid envelope. The following proteins are coded by 8 or 7 segments of the single-stranded RNA: nucleoprotein (NP), polymerase PB2, PB1 and PA, member protein--M1 and M2, glycoproteins--hemagglutinin (HA) and neuraminidase (NA). HA and NA form spikes on the virion surface. On the basis of antigenic differences there are distinguished three types of influenza virus-A, B and C. Besides, influenza A viruses occur in different subtypes, depending on the features of HA and NA. One of influenza characteristics is its antigenic changeability: antigenic drift and antigenic shift. Infection occurs by droplet route, sometimes through direct contact with infected person or surface. Influenza virus attacks epithelial cells of upper respiratory tract, where replication takes place resulting in the production of approximately 1000 of progeny virions during a single 6-12 h cycle in one cell. Necrosis of ciliary cells of mucosa facilitates invasion of bacterial pathogens. Incubation period lasts on average 1-2 days. Influenza illness without complications characterizes the sudden onset of respiratory symptoms and systemic symptoms. Regression of symptoms usually occurs after 3-5 days, but cough and malaise may be observed for over 2 weeks. Reasons for the severe course of the disease or even death are post-influenza complications, e.g. viral pneumonia and bronchitis, bronchiolitis in children, secondary bacterial pneumonia, otitis media, myocarditis and pericarditis, Reye's syndrome, myositis, myoglobinuria, neurological complications and exacerbation of existing chronic diseases. In the case of influenza there is no possible to make the unquestionable diagnosis only on the basis of clinical picture of the disease. Therefore in some circumstances there is important to make some diagnostic laboratory tests as RT-PCR, immunofluorescence assay or isolation of virus and detection of the specific antibodies. The main determinants of the immunity to influenza virus infection are antihemagglutinin (anti-HA) antibodies and antineuraminidase antibodies (anti-NA). The former play fundamental role for the protection against the infection, while anti-NA antibodies limit virus spreading and contribute to a milder course of the disease. In the response to influenza infection there are observed serum immunoglobulines IgG and IgM (after the first contact with the antigen), while immunoglobulines IgA are produced rarely. The latter are produced locally in the high concentrations on the mucus of respiratory tract. Cellular immunological response is important for recovery from influenza where a significant role of cytotoxic T lymphocytes should be emphasized. These lymphocytes are able to kill infected cells in the earliest phases of replication before the progeny virions are formed.
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PMID:[Various sides of influenza, part I--structure, replication, changeability of influenza viruses, clinical course of the disease, immunological response and laboratory diagnostics]. 1716 90

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 aim of this study is to assess the impact of some selected bacteriological factors on the occurrence of subglottic laryngitis in children. The research covered 72 children hospitalized in the Children's Hospital in Warsaw with the following symptoms: dry barking cough, stridor, inspiratory dyspnoea with the participation of auxiliary respiratory muscles, agitation and change of colour of skin. Subglottic laryngitis is one of the acute children's diseases, directly caused by a violently growing odema of the subglottic area. The disease constitutes 5-8% of all severe airways inflammations and states that subglottic laryngitis is responsible for 6.5% off all lower airways inflammation cases. Based on preliminary examinations, the patients were divided into two groups--one of them composed of 41 patients with simultaneous atopy, the other--of 31 patients with no atopy symptoms. The examination of each patient included subjective, objective (pediatric and laryngological) and auxiliary (primary-blood cell count, OB and specialized-bacteriological tests) examinations. Own research showed that out of 72 patients with subglottic laryngitis 56.95% had bacterial symptoms. 90.32% in non atopic group have higher NBT test, in atopic children it was 39.02%. We observed that 50.51% of the patients suffering from subglottic laryngitis had an inflammation of upper airways (otitis media, rhinitis, pharyngitis) and 13.89% of lower respiratory tract (bronchitis, pneumonitis). Many authors incline to say that bacteria may be a conductive factor for subglottic laryngitis to develop. However, many factors seem to suggest that the occurrence and symptoms of subglottic laryngitis are primarily caused by the reaction to an infection. The impact of bacteria onto the etiopathogenesis of subglottic laryngitis has been discussed for many years. Some experts are of the opinion that the disease develops on the bacteriologic background.
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PMID:[The role of the bacterial inflammation in subglottic laryngitis in children]. 1787 17

Measles is a highly contagious disease characterized by a prodromal illness of fever, coryza, cough, and conjunctivitis followed by the appearance of a generalized maculopapular rash. Despite the availability of an effective and safe live attenuated vaccine, measles remains a cause of continuing outbreaks in Japan. Measles often accompanies diverse complications, including pneumonitis, otitis media, and central nervous system involvement. Neurological complications of measles includes ADEM, MIBE, and SSPE. MIBE and SSPE have unfavorable prognosis, which are caused by persistent infection of particular mutants of measles virus (MV) in brain. In SSPE patients, measles antibody titer increase in cerebrospinal fluid and serum. Primary vaccine failure and secondary vaccine failure may be a major cause of outbreaks in Japan, therefore, promotion of vaccination should be emphasized. 2 doses vaccination methods began in Japan in 2006, and supplementary vaccination program at 12 and 18 years old begins from 2008. Protection level of antibody titer varies according to the antibody measurement methods. NT provides the best correlate for protection from infection, however, needs complicated procedure. PA is chosen for the surveillance method in Japan, and 1:128 or over seems protection level. To protect health-care associated infection of MV, all health care worker under 35 years old should be vaccinated if not have adequate immunity.
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PMID:[Pathophysiology and laboratory findings in measles]. 1831 31


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