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

Legionella infections can take the clinical course of a relatively harmless respiratory infection. However, serious, atypical pneumonia is a more frequent manifestation of infection with these pathogens. As yet, six different Legionella species can be identified; Legionella pneumophila appears to be the most common. Legionnaires' pneumonia is being found with increasing regularity during summer and autumn in elderly male patients with previous illnesses. The clinical picture is characterised by viral "prodrome", high fever, a dry cough, breast pain, confusion, diarrhoea, haematuria, moderate leukocytosis with lymphopenia, low concentrations of sodium in the serum and negative results from microbiological analysis of the sputum and pleural exudate. Diagnosis is confirmed culturally, microscopically and serologically; the indirect immunofluorescence test is of particular value for this purpose. Erythromycin alone or in combination with rifampicin is the treatment of choice.
Infection 1982
PMID:[Clinical picture of Legionnaires' disease (author's transl)]. 710 21

Infection with Strongyloides stercoralis in an immunocompetent host usually remains unrecognized. Sometimes, however, it may cause serious problems in the immunocompromised host due to its enhanced invasiveness. We present here details of three kala-azar patients with fulminating strongyloidiasis manifested by acute diarrhoea with blood and mucus, severe dehydration, cough and dyspnoea with low peripheral blood eosinophils and filariform larvae of S. stercoralis in faeces. No larvae could be detected in the sputum in spite of radiological evidence of infiltration. The impact of albendazole was dramatic with a disappearance of parasites from the faeces and of pulmonary infiltration and an increase in blood eosinophil count. It is emphasized that S. stercoralis infection in kala-azar patients should be considered a serious infection and treated accordingly.
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PMID:Fulminating strongyloidiasis complicating Indian kala-azar. 748 7

There is increasing evidence that pertussis occurs frequently in adults, but there is limited information on the clinical course of this disease beyond childhood. A household contact study on the efficacy of an acellular pertussis vaccine was used to study the symptoms of pertussis in adults. Among 257 patients with pertussis identified in 121 families during a two-year period in one study center with a low whole-cell pertussis-vaccine uptake, 79 (30.7%) were adults, aged 19-83 years (mean age: 36 years) with a 1:1.8 male to female ratio. Ninety-one percent of the adults suffered from coughing (mean duration: 54 days), and in 80% this cough lasted > or = 21 days. Whoops were rare (8%), whereas cough followed by vomiting and/or choking (53%) and cough disturbing sleep (52%) were common. This is the first report to describe sweating attacks as symptom of pertussis (14%). Pharyngeal symptoms (37%), influenza-like symptoms (30%), sneezing attacks (22%), hoarseness (18%), sinus pain (16%) and headaches (14%) were also observed. Various complications were seen in 23% of the patients. In order to minimize the spread of the organism, microbiological diagnostics should be vigorously applied to all symptomatic contacts of a patient with pertussis but also to all patients with long lasting cough-irrespective of age.
Infection
PMID:Symptoms and complications of pertussis in adults. 749 1

Selected events in rhinovirus infection of the normal human airway can be regarded as occurring sequentially. Initial steps in rhinovirus pathogenesis are believed to include viral entry into the nose, mucociliary transport of virus to the posterior pharynx, and initiation of infection in ciliated and non-ciliated epithelial cells of the upper airway. Viral replication peaks on average within 48 h of initiation of infection and persists for up to 3 wk. Infection is followed by activation of several inflammatory mechanisms, which may include release or generation of interleukins, bradykinins, prostaglandins, and possibly histamine and stimulation of parasympathetic reflexes. Pathophysiologic processes are initiated, which include vasodilatation of nasal blood vessels, transudation of plasma, glandular secretion, and stimulation of nerve fibers, causing pain and triggering sneeze and cough reflexes. The resultant clinical illness is a rhinosinusitis, pharyngitis, and bronchitis, which, on average, lasts 1 wk.
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PMID:Rhinovirus infection of the normal human airway. 755 10

Parainfluenza viruses are a major cause of hospitalization for respiratory illness in children. The spectrum of clinical illness associated with infection due to parainfluenza type 4 virus has not been well defined. It is technically difficult to isolate the virus in tissue culture, and because illness is generally reported to be mild, in many cases, patients may not seek medical attention. We describe a series of 10 children with parainfluenza type 4 virus infection who were seen at the Montreal Children's Hospital between 1988 and 1992. There were five males and five females whose average age was 29.7 months. Infection was associated with symptoms of bronchiolitis or pneumonia in 5 children, paroxysmal coughing in 3 infants, apnea in 1 newborn, and aseptic meningitis in 1 child. Hospitalization was required for 8 of the 10 children. It appears that infection with parainfluenza type 4 virus may be more common than previously recognized, and it may be associated with more severe infections.
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PMID:Infections due to parainfluenza virus type 4 in children. 811 Sep 59

Seven cases of Pneumocystis carinii pneumonia (PCP) (two in 1988, three in 1989, one in 1990 and one in 1991) have been observed in a group of 241 heart transplant recipients transplanted in Pavia, Italy, from November 1985 through December 1991. Median time to onset of symptoms was 100 days after transplantation (range 59-333 days). Diagnosis was achieved in all patients by cytological examination of bronchoalveolar lavage (BAL) fluid and/or transbronchial biopsy. Clinical and roentgenographic features were remarkably similar in all PCP-affected heart transplant recipients. A dry, persistent hacking cough associated with dyspnoea was consistently observed. Fever ranged from 37.6 to 39.4 degrees C, median leukocyte count and median arterial oxygen saturation (SaO2) values were 7,300/mm3 (range 3,000-16,000/mm3) and 61% (range 49.3-93%), respectively. Median CD4+ count at the onset of symptoms was 211/mm3 (range 28-739/mm3). The only patient experiencing a recurrence of PCP had a CD4+ cell count of 28/mm3 at the end of treatment with trimethoprim-sulfamethoxazole (TMP-SMX). In all patients human cytomegalovirus was isolated from BAL fluids; however, treatment with TMP-SMX alone (20 mg/kg/day of TMP) was consistently followed by a complete recovery.
Infection
PMID:Pneumocystis carinii pneumonia in heart transplant recipients. 849 24

Diseases caused by opportunistic ambient mycobacteria (OAM) are common in HIV-positive patients, although they also occur in immunocompetent individuals. The objective of the present study was to describe the risk factors, clinical signs, course and microbiological spectrum of OAM that cause pulmonary diseases in non HIV-infected individuals in our community. We reviewed 29 consecutive patients with OAM-caused pulmonary disease between 1989-1994 (26 men and 3 women, mean age 58 +/- 14 years). Infections were by Mycobacterium kansasii, 19 (66%) cases; M. avium complex, 7 (24%) cases; M. chelonei, 2 (7%) cases, and M. flavescens, one (3%) case. Risk factors most often associated to infection were smoking and a history of pulmonary disease (chronic obstructive pulmonary disease or residual tuberculosis). Clinical signs were non specific, although toxic syndrome and unproductive cough predominated. Chest films were indistinguishable from those for infection by M. tuberculosis, with cavitated alveolar fibrosis being the main pattern. In vitro drug sensitivity tests showed that all strains were resistant to isoniazid, and that M. avium complex and M. chelonei strains were resistant to rifampicin, streptomycin and, to a lesser degree, to ethambutol. With prolonged medical treatment lasting from 12 to 24 months with first line drugs, outcome was good for the 17 patients for whom full follow-up information was available. Therapy failed to eradicate the bacteria in only 2 patients.
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PMID:[Lung diseases due to opportunistic environmental Mycobacteria in patients uninfected with human immunodeficiency virus. Risk factors, clinical and diagnostic aspects and course]. 868 13

Pneumonia is one manifestation of acute Q fever following infection with Coxiella burnetii. Fever, headache, and myalgia dominate the clinical picture of Q fever pneumonia. Cough is nonproductive and may be absent despite the presence of pneumonia. While in most instances pneumonia results in an illness of mild-to-moderate severity, on occasion it is rapidly progressive and results in respiratory failure. Infection occurs as a result of inhalation of contaminated aerosols. Infected cattle, sheep, and goats are the usual reservoirs for this zoonosis. In some areas, infected parturient cats serve as the reservoir, and in such instances, rounded opacities are seen on the chest radiograph. The diagnosis of C. burnetii pneumonia is usually confirmed by demonstration of a fourfold or greater rise in antibody titer. Treatment is usually with a tetracycline or rifampin for 7 to 10 days.
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PMID:Coxiella burnetii (Q fever) pneumonia. 874 74

An outbreak of conjunctivitis and severe respiratory disease occurred in an integrated chukar partridge (Alectoris graeca) operation that involved about 8000 birds. The main clinical features were conjunctivitis and sinusitis and frequent mouth breathing, but almost no gasping or coughing. In 1000 breeders, egg production declined from 73% to 20%. Morbidity reached 100%, and losses from mortality and culling approached 60%. At necropsy, a conjunctivitis (often bilateral) and extensive caseated sinusitis were common. There was an occasional slight mucoid tracheitis, but no significant air sac lesions were noted. Mycoplasma gallisepticum, designated strain GM1125, was isolated and identified. Exposure of susceptible chukars to GM1125 reproduced the field disease. GM1125 was reisolated from the conjunctiva of all exposed birds 12 days postinfection, but infrequently from there or the respiratory system 36 days postexposure, even though clinical disease was still present. The experimental disease was confined to the conjunctiva and the upper respiratory tract. An occasional mucoid tracheitis was noted, but generally, the lungs and air sacs were not involved. Infection was followed by an appreciable serological response to M. gallisepticum.
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PMID:Experimental reproduction of Mycoplasma gallisepticum disease in chukar partridges (Alectoris graeca). 879 Aug 93

Five case of intestinal cryptosporidiosis with pulmonary involvement in patients with AIDS are reported. The diagnosis was based on the recognition of acid-fast oocysts in sputum or aspirated bronchial material and stool specimens. Coughing and excess secretions were present in all cases. Four patients had other associated pulmonary pathogens: two Mycobacterium tuberculosis, one Mycobacterium fortuitum and one Cytomegalovirus + Pneumocystis carinii; all of them had a previous (three cases) or simultaneous (one case) diagnosis of intestinal cryptosporidiosis, presenting with diarrhoea and vomiting. In the fifth patient Cryptosporidium was the only pulmonary pathogen found in a bronchial aspirate, and the onset of diarrhoea was 1 month after respiratory detection. Fifty-seven cases of respiratory cryptosporidiosis have been reported since 1980. In 17 of them, no other pathogen was found. Diarrhoea was present in 77% of the patients, cough in 77%, dyspnea in 58%, expectoration in 54%, fever in 45%, thoracic pain in 33%.
Infection
PMID:Respiratory cryptosporidiosis: case series and review of the literature. 892 43


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