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Query: UMLS:C0032285 (pneumonia)
 54,520 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Symptoms and serological tests in a 19-year-old man with pneumonia indicated that he had infectious mononucleosis. Adenovirus type 7 was demonstrated in the lung by electron microscopy and was cultured from the liver, lung, lymph-nodes, and kidney.
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PMID:Fatal adenovirus infection with misleading positive serology for infectious mononucleosis. 8 50

Adenovirus, measles virus and herpesvirus were found to be responsible for the serious non-bacterial bronchiolar and interstitial necrosis in post-measles pneumonia in underprivlieged non-White children less than 4 years of age in Cape Town. Secondary bacterial bronchopneumonia, possibly antibiotically suppressed, proved to be less important in accounting for the extensive lung damage in 18 fatal cases that were examined virologically and histologically.
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PMID:Virus peneumonia following measles: a virological and histological study of autopsy material. 18 94

The cost and effectiveness of examinations (sputum staining and culturing, antitest determination for Influenza A and B, RSV, Adenovirus, Chlamydia psittaci and pneumoniae, Coxiella burnetii, Mycoplasma pneumoniae and Legionella pneumophila, and determination for Streptococcus pneumoniae antigen) performed to explore the aetiology of community-acquired pneumonia in the case of 258 hospitalised patients were analysed. The aetiology could be determined in 44.2% of the cases. On the basis of prevailing prices in 1986-88 one pneumonia case with determinable aetiology costs 8111 Forint. The authors have come to the conclusion that in the present epidemiological situation in this country it is not worthwhile to look for so-called non-bacterial microorganisms routinely, because of their rarely occurrence (16.7%) the cost per one positive finding is unrealistically high. Comparing the cost and the practical use the examinations applied the rational choice seems to be to culture the sputum with deep airway origin and to determine the Streptococcus pneumoniae antigen routinely. In the case of suspicion of non-bacterial origin to perform complement fixation test for Mycoplasma pneumoniae and in a severe clinical state to culture the blood is recommended.
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PMID:[Rational means of the determination of costs and etiological diagnosis of community-acquired pneumonia]. 160 6

The presence of concomitant viral or bacterial infection was evaluated in 20 patients hospitalized for adenovirus infection of the middle or lower airways by using new serological methods for detection of both antigens and antibodies. Adenovirus infection was identified by measurement of antibodies with complement fixation test or by direct detection of viral antigen in nasopharyngeal aspirates. Mixed infection was present in 11 (55%) of the 20 patients. Viral coinfection was demonstrated in five (25%) and bacterial in nine (45%) patients. Bacterial coinfection was common, 67%, in children with an infection focus, pneumonia or acute otitis media, but rare, 13%, in those without it. Seroconversion to nontypable Haemophilus influenzae was indicated in six children; four of them were infants, four had pneumonia and three acute otitis media. Pneumococcal infection was indicated in two patients with pneumonia, both aged over two years. Chlamydia trachomatis was involved in one case. The results indicate that bacterial coinfection is common in respiratory adenovirus infection affecting lower airways, especially if pneumonia is present.
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PMID:Mixed infection is common in children with respiratory adenovirus infection. 164 44

A 3680-g term male neonate developed bilateral bronchopneumonia at 9 days of age. The labor, delivery, and immediate postnatal period had been unremarkable. Despite standard antibiotic therapy, the patient progressed to respiratory failure and died 4 days later. Adenovirus particles were found in oropharyngeal secretions 1 day prior to death. Autopsy revealed an extensive necrotizing bronchiolitis and alveolitis with frequent "smudge cells." Adenovirus was identified by culture, electron microscopy, and in situ DNA hybridization. The adenovirus was serotyped as type 35, which, to our knowledge, has not been previously described in neonatal adenovirus pneumonia.
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PMID:Fatal neonatal pneumonia caused by adenovirus type 35. Report of one case and review of the literature. 173 40

Adenovirus (AV) infection usually has a benign course in normal hosts; however, in immunocompromised patients, AV may cause pneumonia, cystitis, or disseminated disease with substantial morbidity and even mortality. Although pulmonic AV involvement is common, infection of the kidney is unusual. The histologic findings previously described include tubular necrosis with interstitial inflammation and glomerulonephritis. We report a case of an AV-induced unilateral mass lesion in the kidney of a patient with Hodgkin's disease (HD) following bone marrow transplantation.
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PMID:Adenovirus infection of the kidney: mass formation in a patient with Hodgkin's disease. 192 70

The role of viruses and atypical organisms in pneumonia is well known in western populations, yet very little documentation is available about their role in pneumonia in developing countries. In a study of 175 adults with community-acquired pneumonia in Papua New Guinea, serological methods were used to assess this issue. Five patients had high influenza A titres suggestive of recent infection. Adenovirus titres rose significantly in one patient with Haemophilus influenzae pneumonia, whilst no evidence of past or recent infection was found in the remainder of patients when tested for all pathogens. Bacterial cultures revealed the continued predominance of Streptococcus pneumoniae in the pathogenesis of pneumonia in this population. We conclude that viruses and atypical organisms (including Mycoplasma and Legionella) play a very limited role in this setting.
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PMID:The role of viruses and atypical organisms in the pathogenesis of adult pneumonia in Papua New Guinea. 205 97

The incidence and morbidity of viral and Toxoplasma gondii infections were studied in 40 children who underwent liver transplantation between December 1983 and February 1988. The incidence of primary and reactivated cytomegalovirus (CMV) infection was 19% and 47%, respectively; primary infection caused clinical disease in all five cases affected and was fatal in one. Primary Epstein-Barr virus (EBV) infection occurred in 10 (26%) recipients but caused only mild disease. No reactivated EBV infection was recorded and no lymphoproliferative disorders associated with EBV were found after a maximum of four years' follow up. Adenovirus infection occurred in seven (18%) patients; this was associated in one case with fatal pneumonia and fulminant hepatitis, but otherwise with only mild respiratory disease. Primary T gondii infection was detected in one patient who remained asymptomatic. Other viruses causing infection included herpes simplex, varicella zoster, and respiratory syncytial virus. Surveillance for these infections and the long term sequelae should be included in the follow up of all children who undergo transplantation.
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PMID:Viral and toxoplasma gondii infections in children after liver transplantation. 215 47

As a part of the diagnostic procedure for 16 suspected pulmonary infections in 15 marrow transplant recipients fiberoptic bronchoscopy with bronchoalveolar lavage (BAL), transbronchial lung biopsy (TBB) and brushing were performed. Cytomegalovirus (CMV) was the most common microorganism and CMV pneumonia was diagnosed in 8/16 (50%) episodes of pulmonary disease studied. Pneumonias were diagnosed as caused by Candida or Aspergillus species in 6 episodes and by gram-positive cocci in 2 cases. Adenovirus and Pneumocystis carinii was also isolated in 1 patient each. Three noninfectious diseases (pulmonary oedema, idiopathic pneumonia and pulmonary embolism) were diagnosed by methods other than bronchoscopy. The use of fiberoptic bronchoscopy with BAL and TBB allowed correct identification of 14/18 microorganisms involved. Brushing was less useful. Four patients' pneumonias had a multiple etiology. The bronchoscopy methods used were well tolerated even by patients whose condition was poor.
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PMID:Fiberoptic bronchoscopy for diagnosis of opportunistic pulmonary infections after bone marrow transplantation. 268 83

Adenovirus type 7 is the type most frequently associated with serious disease. Eighteen different genome types of adenovirus type 7 had been reported up to October 1986. The genome type Ad7c, based on the restriction enzyme profiles of SmaI and BamHI, has been reported from Europe prior to 1969 and more recently from South Africa. Here, we report two new genome types of adenovirus 7 c that have not previously been identified and that have been isolated in South Africa between 1975 and 1986 from children with postmeasles pneumonia. The two new genome types differ from the prototype Ad7c virus in having two (Ad7c1) or one (Ad7c2) extra cleavage sites for the restriction endonuclease EcoRI. These sites have been located at 3.68kb and 5.32kb from the left terminus of the genome map published for the prototype Ad7c strain. A strain resembling the prototype Ad7c was also isolated in 1986 from a case of post measles pneumonia.
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PMID:Two new genome types of adenovirus 7c. 282 28


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