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

Pasteurellosis is an important cause of economic loss to the sheep industry. There are two distinct syndromes. The pneumonic form of the disease caused by P haemolytica biotype A occurs as pneumonia in flocks and sporadically in individual sheep. The septicaemic form, caused by P haemolytica biotype T is associated with hyper-acute disease and occurs most commonly in the autumn coinciding with the folding of hoggs on rape, turnips and improved pastures. The factors which predispose sheep to the different forms of the disease are poorly understood but recently it has been possible to reproduce pasteurella pneumonia experimentally.
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PMID:Pasteurellosis in sheep. 63 44

Quantitative shedding patterns of respiratory syncytial virus in 40 infants hospitalized with acute disease of the lower respiratory tract were determined for elucidation of the pathophysiology of infection with the virus. Nasal wash specimens were collected on admission and daily thereafter and were tested for the presence and quantities of respiratory syncytial virus. The following pattern of shedding was observed. (1) The virus was shed for prolonged periods. For the first seven days of hospitalization, 92%-100% of the infants tested continued to shed virus. At discharge 87% were still shedding the virus. (2) Respiratory syncytial virus was present in high titer in the nasal secretions obtained at the time of admission. The mean titer in these samples was 5.0 log10 TCID50. (3) The titer of respiratory syncytial virus did not fall during the first few days of hospitalization, despite clinical improvement of the infants. Neither peak nor admission titers of virus could be correlated with age or with the severity of disease. However, the mean admission titer in patients with bronchiolitis appeared to be significantly higher than that in those with pneumonia.
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PMID:Quantitative shedding patterns of respiratory syncytial virus in infants. 80 81

Diagnosis of infection caused by Chlamydia pneumoniae, a newly recognized respiratory pathogen, has proved difficult. Between July 1987 and April 1988, culture and serologic tests for C. pneumoniae were done on specimens from 49 patients with pneumonia seen at an Atlanta hospital emergency room. Cultures from 3 patients (6%) grew C. pneumoniae. Genus-specific Chlamydia complement fixation titers and microimmunofluorescence titers for C. pneumoniae were suggestive of acute infection in all 3 culture-positive patients. Three other patients had evidence of acute disease by published criteria for antibody titers. Most studies of C. pneumonia have not had culture-proven cases; the 6% rate of positive cultures in this study support the role of C. pneumoniae as a cause of pneumonia. More widespread availability of simplified culture systems for C. pneumoniae is needed. Caution should be used when interpreting serologic tests in the absence of culture confirmation.
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PMID:Culture-confirmed pneumonia due to Chlamydia pneumoniae. 185 89

We have conducted a cohort mortality study on 689 patients with beryllium disease who were included in a case registry. An earlier mortality study on 421 of these patients was limited to males and resulted in a determination of a nonsignificant twofold lung cancer excess based on only seven lung cancer deaths. We have extended this earlier study by including females and by adding 13 years of follow-up. Comparison of the 689 beryllium disease patients with the U.S. population resulted in a lung cancer standardized mortality ratio (SMR) of 2.00 (95% confidence interval = 1.33-2.89) based on 28 observed lung cancer deaths. Adjustment for smoking did not change these results. All causes of mortality were also significantly elevated (SMR = 2.19), largely because of the very high rate of deaths due to pneumoconioses (primarily beryllium disease) (SMR = 34.23; 158 deaths). No other causes of death were significantly elevated. The excess of lung cancer was consistent for both sexes and did not appear to increase with duration of exposure to beryllium or with time elapsed since first exposure to this element. The case registry included those with acute beryllium disease, which resembles a chemical pneumonitis, and those with chronic beryllium disease, which resembles other pneumoconioses. The lung cancer excess was more pronounced among those with acute disease (SMR = 2.32) than among those with chronic disease (SMR = 1.57).
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PMID:Lung cancer incidence among patients with beryllium disease: a cohort mortality study. 841 Dec 49

Two novel antiviral pharmacologic strategies were used for therapy of life- and sight-threatening cytomegalovirus (CMV) infection; these were continuous drug infusion by portable pump and individualized patient regimen. 9-(1,3-Dihydroxy-2-propoxymethyl)-guanine (DHPG), an active and recently licensed antiviral drug against cytomegalovirus infection, was administered to five immunocompromised patients with chorioretinitis (all patients), colitis (two), and pneumonitis (three). Through dosage escalation, correlations between plasma levels, toxicity (i.e., myelosuppression), and clinical benefit were ascertained for therapy of acute disease (pneumonitis) as well as long-term therapy (chorioretinitis). Resolution of viremia, pneumonitis, colitis, and chorioretinitis was accomplished with steady-state plasma levels of DHPG approximating the mean ID50 of CMV isolates. The most notable clinical benefit was survival from CMV pneumonia and stabilization of vision. Although no adverse toxicity occurred during the DHPG continuous long-term therapy, survival was limited by the underlying disease.
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PMID:Novel pharmacological strategies in the treatment of life-threatening cytomegalovirus infections. Clinical experience with continuous infusion 9-(1,3-dihydroxy-2-propoxymethyl) guanine. 196 31

The article analyses the results of treatment of 104 patients with generalized appendicular peritonitis. Sixty-four patients were admitted for acute disease and 40 patients for chronic disease. Twenty-three patients had been previously subjected to appendectomy for destructive appendicitis at other clinics. Among 100 patients who were operated on 60 were treated by appendectomy: cecostomy was established in 5 and ileostomy in 3 patients with incompetence of the stump of the vermiform process; in nonviability of the wall of the small intestine (11 patients) the wall was resected and an anastomosis formed in 7 and enterostomy was performed in 4 cases. The method of "closed evisceration" was employed in 24 patients with neglected forms of peritonitis. Thirty-three hemosorption sessions were conducted in 30 patients in the terminal stage of peritonitis. Four patients died in the preoperative period and 12 died after the operation. Seventeen complications were encountered after the operation: intestinal fistulas 4, abscess of Douglas' space 2, suppuration of wounds 5, and pneumonia 6.
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PMID:[Treatment of perforated appendicular peritonitis]. 207 57

The admissions to Vancouver General Hospital from its Surgical Day Care Centre were reviewed for the period 1977 to 1987. The overall mean rate of admission for the period was 0.28 per cent, for surgically-related admissions 0.22 per cent and for anaesthesia-related admissions 0.07 per cent. The principal reasons for surgery-related admissions were postoperative bleeding, complications, the need for further surgery, the requirement for prolonged postoperative care, and pain. Urology had a particularly high percentage of admissions compared with its workload, because of the diagnostic nature of much of the work. Anaesthesia-related admissions included "syncope," lack of an accompanying adult, aspiration pneumonitis and coincident acute disease. Twelve of the 14 patients admitted with syncope had surgery in the afternoon and had received less than ideal amounts of intravenous fluid. Seven of the 12 ASA physical status II patients admitted had an admission diagnosis related to the coincident disease.
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PMID:Hospital admissions from the Surgical Day Care Centre of Vancouver General Hospital 1977-1987. 220 46

Toxic shock syndrome (TSS) is a potentially fatal acute disease preferentially affecting menstruating women and is related to the use of vaginal tampons seems to be due to an specific exotoxin produced by some Staphylococcus aureus strains. We present here the case of a male patients suffering cavitated pneumonia who developed a systemic clinical picture comparable to TSS. This unusual form of presentation is discussed as well as the diagnostic criteria which define this entity.
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PMID:[Cavitated pneumonia and toxic shock syndrome: presentation of a case]. 224 80

Hemostasis was examined over time in 168 patients with influenza and ARVI. There were 53 elderly patients, 54 senile patients and 4 long-livers. 57 patients under 60 years made up a reference group. The patients with influenza did not differ significantly from those with ARVI as regards hemostasis. The elderly persons manifested pronounced acceleration of phases I-II blood coagulation. In the acute disease period, the old men demonstrated high platelet aggregation, whereas during convalescence, activation of the plasmic component of hemostasis in the presence of relatively low antithrombin III. Analysis was also made of the age-associated changes in hemostasis depending on influenza and ARVI complications (pneumonia, exacerbation of coronary disease, bronchitis). The changes revealed dictate the necessity of hemostasis control in elderly and senile persons afflicted with influenza and ARVI.
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PMID:[Hemostasis in influenza and acute respiratory viral infections in the middle-aged and elderly]. 225 73

We have used a probe against the adenovirus genome to study cultured epithelial cells specifically infected with various types of adenovirus and Graham 293 cells, which contain few copy numbers of a fraction of the adenovirus genome. We have also examined lung tissue obtained from three cases of acute adenovirus pneumonia, two cases of adenovirus pneumonia that had passed through the acute phase, and nine cases of follicular bronchiectasis. Our purpose was to determine whether the probe was effective in detecting a wide variety of adenovirus types, to determine whether it could detect adenovirus in lung tissue that had been fixed and stored in paraffin blocks for several years, and to test the hypothesis that adenovirus was an important cause of follicular bronchiectasis. The results show that the probe was able to detect adenovirus from Genera B1, B2, C, D, and E with a sensitivity of 5 to 10 copies/cell. The probe also detected adenovirus in 14 of 14 slides from three cases of acute disease, but failed to obtain a positive result in the cases examined after an acute infection or in any of the cases of follicular bronchiectasis. We conclude that the in situ hybridization technique is useful in the investigation of active adenovirus infection of the lung. The failure to show that the virus persisted in the chronic respiratory disease that follows adenovirus infection, or that it was present in cases of follicular bronchiectasis could be due to either a true absence, or to its presence in a latent form that is below the level of sensitivity of this technique.
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PMID:In situ hybridization studies of adenoviral infections of the lung and their relationship to follicular bronchiectasis. 254 50


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