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

The authors present the main characteristics of respiratory pasteurellosis on the basis of 32 personal cases. The predominant background is chronic obstructive lung disease consecutive, in most cases, to chronic bronchitis. In patients without chronic lung disease the infection occurs when the terrain is deficient. The most common clinical form is bronchitis; pneumonia, pleurisy and lung abscess are rare. The existence of asymptomatic carriers has been recognized. Clinical manifestations are devoid of pathognomonic signs and symptoms. Diagnosis rests on isolation of the micro-organism and can be completed by serodiagnosis and intradermal reaction to pasteurelline. The severity of respiratory pasteurellosis depends on the clinical form and the background. The curative treatment is simple and effective as a rule, but prevention is possible and recommended since pasteurellosis is a potentially severe infection.
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PMID:[Respiratory pasteurellosis. Apropos of 32 cases]. 180 37

The study of anaerobic infections of the lung is usually limited to the use of invasive techniques such as transtracheal aspiration (TTA) to avoid contamination by oral flora. Bronchoalveolar lavage (BAL) has been used successfully in the study of the etiology of pneumonia in immunocompromised patients. This study evaluated the role of the quantitative culture of BAL in the diagnosis of lung abscess. Four episodes of lung abscess in three patients were studied, and the results of quantitative culture of BAL were compared with those of the standard technique of TTA. Nineteen anaerobic bacterial species were recovered from the BAL fluid, all but one at concentrations greater than 10(3) cfu/ml. Culture of BAL fluid yielded 18 of 22 of the isolates cultured from TTA, including 12 of 16 of the anaerobic bacteria. This study suggests that quantitative culture of BAL fluid may be useful in the bronchoscopic evaluation of lung abscess.
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PMID:Quantitative culture of bronchoalveolar lavage from patients with anaerobic lung abscesses. 185 90

Infectious disease is the most common etiology of a cavitary lung process, which can occur with necrotizing pneumonia, lung abscess and septic pulmonary embolism. Other infectious causes of pulmonary cavitation include cavitating fungal or mycobacterial granulomas and superinfection of preexisting spaces. Noninfectious causes of cavitation that should be considered in the differential diagnosis are infarction from thromboembolic disease or vasculitis, necrotic primary or metastatic tumor, rheumatoid nodules and air-filled congenital cysts. The clinical history combined with radiographic features can be helpful in diagnosing the underlying cause of cavitation.
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PMID:Necrotizing aspiration pneumonia. 195 Sep 68

Anaerobic pleuropulmonary infections present in various ways. Aspiration pneumonitis occurs first and may be quite difficult to distinguish from the acute bacterial pneumonia caused by Streptococcus pneumoniae and other organisms. Although aspiration pneumonitis may be self-limiting, sequelae such as lung abscess, necrotizing pneumonia, and empyema can develop. Empiric antimicrobial therapy is now acceptable. The initial choice of antimicrobial agents is based on which pathogens are likely to be involved.
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PMID:Anaerobic disease of the lung. 195 94

The case histories of 22 patients with lung abscess and empyema presenting to Hospital University Sains Malaysia (HUSM) between 1984 and 1989 are reviewed. The presenting features of both lung abscess and empyema were similar. The commonest predisposing factor was pneumonia, and the commonest organism isolated was Staphylococcus aureus but in the majority of cases, no causal organisms were identified. All the patients were treated with antibiotics and in addition, closed chest tube drainage was performed initially in all patients with empyema. Three patients with empyema required additional surgical drainage procedures. Death occurred in one patient with empyema and in one patient with lung abscess. The features, aetiology, treatment and outcome of thoracic empyema and lung abscess are discussed.
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PMID:Empyema thoracis and lung abscess. 201 9

Two cases of severe community-acquired pneumonia requiring IPPV and complicated by the development of lung abscess were successfully treated with early surgical drainage. This procedure may be a life-saving measure in certain instances.
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PMID:Surgical drainage of lung abscess complicating acute community-acquired pneumonia. 201 94

An analysis of 500 consecutive pulmonary tuberculosis cases shows that lower lungfield tuberculosis occurs in 6.8 percent of the negroid population studied and therefore shows no racial predelection. The ratio of female to male involvement was 3:1. A clear association with young women and with pregnancy with or without other infections was demonstrated. Affected men were in the much older age group. Some association with diabetes and heart failure were also observed. The initial diagnosis of most of these patients was basal pneumonia or lung abscess. Therefore, the most useful clinical pointers were productive cough with or without haemoptysis unresponsive to various conventional antibiotics. The right base was most favoured and cavitation with fluid levels were frequent. We believe that the aetiological factors would include stress as could occur with pregnancies and poor basal tissue oxygenation due to diminished basal expansion in abdominal distension or cardiac failure.
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PMID:Lower lungfield tuberculosis in a rural African population. 206 90

Histopathologic studies and isolation of virus and bacteria in culture were carried out for 71 children less than 5 years of age with fatal pneumonia. A potential microbial etiology was identified for 61 children (86%): bacteria for 19 (27%), virus for 16 (23%), and virus plus bacteria for 26 (37%). Staphylococcus was the most prevalent pathogen, alone or in combination with other organisms, followed by Pseudomonas aeruginosa. Viral infection may predispose to bacterial infection in some children. A correlation of clinical course, results of cultures, and morphologic changes revealed cofactors that may have contributed to a fatal outcome. Lung abscess, pericarditis, myocarditis, endocarditis, and meningitis were associated with bacterial infection. Many patients in this study had severe bronchopneumonia, with a high prevalence of complications such as abscess (62%), atelectasis (40%), pericarditis (28%), and empyema (7%). Such complications added to multiple infections, measles, and malnutrition contributed to the fatal outcome in these children.
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PMID:Etiology of infection and morphologic changes in the lungs of Filipino children who die of pneumonia. 212 58

A 48-year-old male with Adult T-cell leukemia (case 1) and a 57-year-old with acute lymphocytic leukemia (case 2) died of rapid progressive pneumonia and pleuritis. Histopathological findings of the lungs were multifocal hemorrhagic coagulation necrosis, and typical Cowdry type A and full type intranuclear inclusion bodies were observed in alveolar cells, bronchial cells, fibroblast, endothelial cells of small vessels, bronchial gland cells and pleural cells. Antigen against varicella-zoster virus (VZV) was positive in these cells by immunostaining, and the antigen was also demonstrated in other organs such as liver, spleen, pancreas, kidney, adrenal gland, esophagus, stomach, intestine and so on. Furthermore, cytomegalovirus was simultaneously superinfected lungs of both cases, and concomitant candida gastritis (case 1), aspergillus lung abscess and candida liver abscess (case 2) were observed. In the immunocompromised host VZV may involve the visceral organs and death may result from VZV pneumonia.
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PMID:[A clinical and pathological study on varicella-zoster virus pneumonia]. 215 68

Among the patient of a prospective study aimed to recognize the epidemiological and clinical characteristics of pneumonias, cavitating pneumonia occurred in 12.5%, typical lung abscess in 24 cases and necrotizing pneumonia in 11 cases. The illness was secondary in 4 cases. Predisposing factors were present in the majority of the patients. Assumable pathogen was detected with microbiological examinations in 24 cases. 20 patient recovered--19 by antibiotic therapy and one by surgery--were operated on the average in 7 weeks. Complication occurred in 15 patients 7 of them died. The prognosis of cavitating pneumonias is favourable, however the mortality is high in the secondary cases.
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PMID:[Abscessing pneumonia]. 217 4


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