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Query: UMLS:C0149514 (bronchitis)
 6,902 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

National hospital admission frequencies were analysed for asthma (ICD-9 code 493), acute bronchi(oli)tis (ICD-code 466), pneumonia and influenza (ICD-code 480-487), and chronic obstructive pulmonary disease (ICD-code 490-492 and 496) for 1980-1989 by sex and according to age (0-4 years, 5-9 years, and 10-14 years). Rates per million of the childhood population per year were calculated and time trend analyses performed by least squares regression. In the age group 0-4 years the admission rates for the respiratory diseases were highest and a general tendency towards increasing rates was present, and significant trends were found for asthma and acute bronchi(oli)tis. In the age groups 5-9 years and 10-14 years the admissions rates were considerably lower and fluctuated with no trends to point to except for a significant increasing trend for acute bronchitis in girls aged 5-9 years and a significant decreasing trend for asthma in boys aged 10-14 years. From the presented data it can be concluded that in childhood the health issue with respect to the respiratory diseases concerns the very young in particular.
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PMID:[Frequency of hospitalization for respiratory disorders in 0-14-year-old children]. 177 49

National mortality and hospitalization data from the Netherlands were analysed for asthma (International Classification of Diseases) (ICD 493), acute bronchi(oli)tis (ICD 466), pneumonia and influenza (ICD 480-487), and other chronic obstructive pulmonary diseases (ICD 490 + 491 + 492 + 496) in children aged 0-14 yrs for 1980-1987. No trends were seen in the mortality in age groups 0-4 yrs and 5-14 yrs, which actually concerned small numbers. In general a tendency towards increasing hospital admission rates for respiratory diseases was observed in both sexes in age groups 0-4 yrs and 5-9 yrs but not in age group 10-14 yrs, and significant increases were found for asthma in males and females aged 0-4 yrs and in males aged 5-9 yrs, and for acute bronchitis in females aged 5-9 yrs. Hospital admission rates in the Netherlands for asthma appeared to be low compared to other countries. The average length of stay, however, for both asthma and the other respiratory diseases was substantial though declining. Clinical information is required on possible causal factors of the apparent need for hospitalization for reactive airway disorders in young children, and on the management of asthma in particular.
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PMID:Mortality and morbidity from respiratory diseases in childhood in The Netherlands, 1980-1987. 185 71

Respiratory tract pathogens (beta-haemolytic streptococci groups A, C and G, Haemophilus influenzae, Branhamella catarrhalis or pneumococci), were isolated from nasopharyngeal and/or throat swabs in 73/138 (53%) patients greater than 10 years of age with a clinical diagnosis of acute sinusitis, acute tonsillitis, purulent nasopharyngitis or acute bronchitis. Serological evidence of a viral infection (influenza A and B, parainfluenza 1, 2 and 3, respiratory syncytial virus, adenovirus) or Mycoplasma pneumoniae infection was found in 10% of the patients. The serum content of C-reactive protein (S-CRP) was increased (greater than 12 mg/l) in 26/33 (79%) patients with streptococci and in 22/59 (37%) patients without respiratory tract bacteria. In patients with a serological evidence of a virus tonsillitis, the S-CRP was also high (32-64 mg/l). At follow-up 10-12 days after the first visit, the clinical effect of erythromycin and penicillin V was judged to be similar (90% clinical effect). Relapse or re-infection with group A streptococci were seen in 7 patients (4 on erythromycin, 3 on penicillin). In another 6 patients (3 on erythromycin, 3 on penicillin), antibiotic treatment was switched owing to persisting symptoms, probably due to H. Influenzae infection in 3 cases. The patients' own estimates of their symptoms suggested treatment with erythromycin to have a more rapid effect than treatment with penicillin.
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PMID:Erythromycin and phenoxymethylpenicillin (penicillin V) in the treatment of respiratory tract infections as related to microbiological findings and serum C-reactive protein. 190 52

Conditions other than underlying cause of death listed on death certificates may provide useful information for epidemiologic research. We explored this possibility for any mention of diabetes, renal diseases, and pneumonia-influenza-bronchitis on death certificates from the Chicago Western Electric Study. When we used any mention, sufficient numbers of deaths for analyses of risk factor associations with diabetes (N = 47), renal diseases (N = 25), and pneumonia-influenza-bronchitis (N = 59) were available; analyses for these risk factors were not possible using underlying cause of death alone (N = 3, 6, and 16, respectively). Using Cox regression, we observed positive associations of age, systolic blood pressure, serum cholesterol, body mass index, and cigarettes smoked per day with any mention of diabetes or renal disease. Age, systolic blood pressure, and cigarettes smoked per day were positively related to any mention of pneumonia-influenza-bronchitis; serum cholesterol and body mass index were inversely related to this endpoint. Whether we identified cardiovascular disease deaths using underlying cause, other mention, or any mention, the relations of established major risk factors with 25-year mortality were similar.
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PMID:Conditions other than underlying cause of death listed on death certificates provide additional useful information for epidemiologic research. 191 42

This paper presents the epidemiological study of respiratory viral infections in Croatia from 1 September 1986 till 31 August 1987. A total of 527 patients with acute respiratory diseases were examined. Their nasopharyngeal secretion and/or throat swab were taken and the viruses were demonstrated by the method of direct viral diagnosis (isolation and rapid immunofluorescent detection). This 12-month study on acute respiratory infections in Croatia in 1986/1987 shows that viruses were the agents in 47.2% of these infections. Out of a total of 527 patients with acute respiratory disease, 177 patients had RSV (prevalence 33.6%), 40 adenovirus (prevalence 7.6%), 18 enterovirus (prevalence 3.4%), 12 parainfluenza (prevalence 2.3%), 8 herpes simplex virus (prevalence 1.3%) and 3 influenza virus (prevalence 0.6%) infection; (9 patients had mixed infections with two viruses). Viral etiology was proved in 44.0% of upper respiratory tract infections, 86.5% of bronchiolitis, 63.3% of pneumonia, 57.5% of bronchitis, and 33.3% of croup. The epidemical wave of RSV infections started in October 1986 and lasted for the next 7 and a half months with a peak in December 1986. Infections with parainfluenza occurred in November 1986 and subsided in March 1987 with a peak in December 1986. An epidemic of adenovirus occurred in two waves and lasted throughout 9 months. Enteroviruses caused infections during the fall and at the beginning of the winter 1986 but also again in the spring 1987.
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PMID:Epidemiological picture of respiratory viral infections in Croatia. 195 Jun 39

To clarify the epidemiologic and clinical features of community-acquired influenza C infection in children, we took specimens throughout the year from a larger number of patients with acute respiratory illnesses in a pediatric clinic in Yamagata, Japan. During a 2-year survey, 20 strains of influenza C virus were isolated from 13,426 specimens. These isolates were recovered throughout the year. The ages of patients with influenza C virus isolates ranged from 2 months to 11 years and peaked at the age of 1 year. The clinical diagnosis of patients with influenza C virus infection included bronchitis in one child and pneumonia in four. Community-acquired influenza C infection in children can cause a variety of respiratory illnesses that cannot be clinically differentiated from those caused by other viruses.
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PMID:Community-acquired influenza C virus infection in children. 199 50

Out of 524 children with acute respiratory infections in 141 obstructive bronchitis was diagnosed (OZO). Seventy cases could be linked to viral infection. Viral infections tested (influenza virus A, B, parainfluenza typ 1-3, RSV, adenoviruses) were more frequently associated with OZO than other acute respiratory infections of unknown etiology. Majority infections induced by influenza virus A and parainfluenza virus typ 2 were accompanied by OZO symptoms. Of the highest risk of acquiring OZO despite of viral infection participation, were children of 4-12 months of age. OZO associated viral infections prevailed during autumn-winter season, while in spring-summer period undetermined factors were the major cause of OZO. In serum samples of children with OZO, despite of etiology of the disease, higher level of IgE was found than in a group of children without the symptoms. In the case of OZO of unestablished etiology the level of serum IgE was significantly higher than in the cases when viral etiology of the disease was found.
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PMID:[The role of respiratory tract viruses in the etiology of obstructive bronchitis in infants]. 208 49

During 9 months (from January 1988 to September 1988), we experienced 82 patients (94 episodes) of respiratory infections with Branhamella catarrhalis in 5 different hospitals. There were 11 patients of acute bronchitis, 8 patients of pneumonia, 56 patients of chronic bronchitis (68 episodes), 3 patients of bronchiectasis, 3 patients of bronchial asthma with infection and chronic pulmonary emphysema in one patient. Ten cases of acute bronchitis and 3 cases of pneumonia had a recent history of common cold, with no underlying disease. There were 68 episodes of acute exacerbation of chronic bronchitis, the highest among 94 episodes of all respiratory infection. In chronic bronchitis the single pathogen B. catarrhalis was more than B. catarrhalis associated with other pathogens. H. influenza was associated with B. catarrhalis in in most cases of polymicrobial infection. beta-lactamase producing B. catarrhalis was 71% and oral penicillin was not effective in 8 cases of infection by beta-lactamase producing strains. These results show that B. catarrhalis is very important as a common pathogen of respiratory infection.
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PMID:[Respiratory infections caused by Branhamella catarrhalis in 5 different hospitals]. 212 Apr 97

From January 1986 to December 1987, 596 children less than 5 years of age with lower respiratory tract infection (LRI)--manifested as laryngitis, croup, bronchitis, bronchiolitis, and pneumonia--were studied for evidence of infection with respiratory tract viruses Mycoplasma pneumoniae, and Chlamydia trachomatis. Of the 596 children in the study, 315 were ambulatory and 281 were hospitalized. Virologic studies included isolation and rapid diagnosis of virus from specimens of nasopharyngeal aspirate (NPA) and serologic studies of blood samples. Cultures of NPA for C. trachomatis were performed for children less than 6 months of age who had pneumonia. Of the LRI cases, 45% were associated with viral infections of the respiratory tract and 12.1% were associated with C. trachomatis. Respiratory syncytial virus (RSV) accounted for 45.2% of infections with viral agents and was associated with acute bronchitis, acute bronchiolitis, and pneumonia. Parainfluenza type 3 virus was the most common virus found in conjunction with laryngitis and croup. The incidence of infections due to RSV peaked in July and August, while that of infections due to parainfluenza viruses peaked in February and March; influenza viruses and adenoviruses were isolated throughout the year.
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PMID:A study of nonbacterial agents of acute lower respiratory tract infection in Thai children. 212 59

Five-week-old specific-pathogen-free chickens inoculated intravenously with a waterfowl-origin type A influenza virus (A/mallard/Ohio/184/86) had swollen and mottled kidneys on days 3, 5, and 7 postinoculation (PI) and multiple raised nodules on days 5, 10, and 20 PI. Histologically, the kidneys had multifocal heterophilic tubulointerstitial nephritis with epithelial necrosis on day 3 PI, lymphoplasmacytic tubulointerstitial nephritis on day 5 PI, and fibrosing interstitial nephritis with cortical lobular collapse, atrophic tubules, glomerular aggregates, and interstitial lymphoid follicles and aggregates on days 7, 10, and 20 PI. Heterophilic intratubular medullary-cone nephritis was present in dead or moribund chickens on days 3 and 5 PI. Furthermore, the presence of mild multifocal heterophilic tubulointerstitial nephritis on day 20 PI suggests that a waterfowl-origin strain of type A influenza virus of low pathogenicity has the potential to produce acute and chronic active nephritis in the chicken and that the kidney is a potential site for influenza viral persistence. The acute, subacute, and chronic histopathologic renal lesions of this influenza virus in chickens are similar to lesions reported for some nephropathogenic infectious bronchitis viruses and avian nephritis picornavirus.
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PMID:Renal pathology in specific-pathogen-free chickens inoculated with a waterfowl-origin type A influenza virus. 214 19


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