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

To evaluate the methods and criteria of judgement for the bronchial antigen inhalation challenge test, the test was performed with culture filtrate antigen of serotype I and II of Trichosporon cutaneum in 18 patients with summer-type hypersensitivity pneumonitis from 15 families. The quantity of 15 mg of culture filtrate antigen was adequate, and had no side effects. In the tests, 17 of 18 patients showed a positive reaction to both or either, serotype of antigen. In 36 performances of inhalation, there were 21 positive reactions and 15 negative reactions. According to the criteria of judgment for inhalation challenge test, the positive response rates of observation items were 75% for symptoms and signs, and 51% for laboratory data. Items with a high positive rate were cough, crepitant rales, and decrease of PaO2. On the other hand, low positive rates were observed for decrease of DLco, VC and positive CRP. Items with both high sensitivity and high specificity were cough, crepitant rales and decrease of PaO2. The low positive rate of decreased DLco was due to insufficient improvement before inhalation challenge. It was concluded that our methods and criteria of judgment for bronchial inhalation challenge test are useful.
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PMID:[Clinical study of bronchial inhalation challenge in summer-type hypersensitivity pneumonitis induced by Trichosporon cutaneum]. 148 31

Chronic cough may be the sole presenting manifestation of bronchial asthma (reference 3; Corrao et al, 1979), and "cough variant asthma (CVA)" has been used to categorize such patients. In order to clarify the clinical picture of CVA, we evaluated the clinical history, laboratory data, sputum cytology and pulmonary function in 14 subjects (5 males and 9 females, aged 14 to 65 years) compatible with the following diagnostic criteria: (1) chronic cough persistent for more than 8 weeks, (2) no wheeze nor dyspnea, (3) no rales, (4) no past history of asthma, (5) bronchial hyperreactivity to methacholine proven by Takishima's method (reference 13), (6) effectiveness of bronchodilators against cough, (7) normal chest X-ray film, (8) afebrile and negative CRP, (9) absence of sinusitis and postnasal drip, or if present, they are proved not to be responsible for the cough, and (10) no other causes of cough such as heart disease, prescription of ACE inhibitors, current smoking. The results were as follows. 1) Many of the subjects were atopic, with positive skin tests to one or more common allergens in 10 subjects, elevated serum IgE in 4 subjects, and past history and family history of atopy in 4 and 7 subjects, respectively. 2) Respiratory infection preceded the onset of CVA in 3 subjects. 3) Cough was generally nocturnal, but 2 subjects coughed only in the daytime. 4) FEV1.0% was decreased (less than 70%) in only 2 subjects, whereas V25 was decreased (less than 80% of predicted value) in 11 out of 12 evaluable subjects, which suggested peripheral airway obstruction.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Clinical study on cough variant asthma]. 150 83

Toxoplasma pneumonia is being recognized with increased frequency, especially in patients with AIDS. We reviewed the English-, French-, and Spanish-language literature from January 1966 through February 1991 to identify cases of postnatally acquired pneumonia associated with Toxoplasma gondii. We identified two distinct clinical syndromes, one in immunocompetent patients and one in patients with defects in cell-mediated immunity. Shortness of breath and cough were the most common symptoms and fever and rales the most common signs in both groups of patients. Lymphadenopathy and hepatosplenomegaly were reported more frequently for immunocompetent patients. Chest roentgenographs usually revealed bilateral interstitial infiltrates, but a variety of other roentgenographic findings were reported. Serological findings were suggestive of active toxoplasmosis in immunocompetent but not in immunosuppressed patients. In early reports, identification of T. gondii as the etiologic agent of pneumonia was based on serology or autopsy findings. In more recent reports, open lung biopsy and especially bronchoalveolar lavage were used for diagnosis. Mortality among patients with toxoplasma pneumonia was 55%. However, in cases of T. gondii pneumonia diagnosed during life, mortality was 0 for immunocompetent patients and 40% for immunosuppressed patients. In immunosuppressed patients, improvement was associated with specific antitoxoplasma drug therapy. Unfortunately, relapses were common. We also reviewed data on series of patients with disseminated toxoplasmosis manifested predominantly in extrapulmonary sites and found that 33% of these patients had evidence of subclinical pulmonary involvement even though pneumonia had not been diagnosed clinically.
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PMID:Pulmonary toxoplasmosis: a review. 157 81

The incidence of clinical pulmonary manifestations during clinically mild Plasmodium falciparum malaria was studied in 50 patients. In nine patients (18%), respiratory symptoms developed and consisted of cough either productive (in 5) or dry and pleuritic (in 3), wheezing and dyspnea (in 2). Physical examination of these patients disclosed minimal decrease of breath sounds with diffuse moist rales over both lung bases. Chest X-rays showed small infiltrates and increased vascular markenings in most. Peak expiratory flow rates were measured in 38 of these patients and showed a mean decrease of 16.9% which reached its nadir on the third to fourth day of disease with return to normal values within 7.7 days. In patients with pulmonary symptoms a marked decrease in PEFR was observed (28.9%) and return to normal values was also longer (9.6 days). We conclude that mild, easily detectable and asymptomatic alterations of pulmonary function are observed in most patients with P. falciparum malaria and the incidence of respiratory manifestations in the uncomplicated forms of the disease is relatively high.
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PMID:The incidence of pulmonary manifestations during Plasmodium falciparum malaria in non immune subjects. 159 11

We review the 257 patients hospitalized for meningitis in the Cantonal University Hospital, Geneva between 1st January 1980 and 31st December 1986. 104 patients had acute bacterial meningitis (32 Str. pneumoniae, 21 N. meningitidis, 10 Listeria monocytogenes, 8 streptococci, 5 H. influenzae, 5 staphylococci, 4 gram negative bacilli and 19 without identified bacteria), 124 patients had viral meningitis and 29 meningitis of other etiologies (6 tuberculous meningitis, 2 fungal meningitis, 1 leptospiral meningitis, 5 neoplastic meningitis--one already counted because of a meningitis due to Staph. epidermidis--2 meningitis consecutive to a meningeal irritation, 4 already treated meningitis of undetermined etiology, 2 chronic meningitis and 8 meningoencephalitis). The total mortality was 14.4%. It was zero in viral meningitis and 28% in bacterial meningitis (47% in cases of Str. pneumoniae, 5% in cases of N. meningitidis, 20% in cases of Listeria monocytogenes, 38% in cases of streptococci, 0% in cases of H. influenzae, 60% in cases of staphylococci, 50% in cases of gram negative bacilli, 16% in cases of unidentified bacteria). The striking difference in mortality emphasizes the importance of recognizing a bacterial etiology in order to institute antibiotic therapy as soon as possible. The delay between admission and lumbar puncture averaged 15 hours (range 0.25-96 h) in patients with acute bacterial meningitis and 6.3 hours (0.5-80 h) in patients with viral meningitis. The delay between admission and institution of the antibiotics averaged 5.3 hours (1-48 h) in cases of acute bacterial meningitis and 4.8 hours (0.5-48 h) in cases of viral meningitis. A better clinical workup may provide a reliable diagnosis sooner. In the collective with bacterial and viral meningitis headaches, fever or nuchal rigidity were present in over 80% of the cases. The following features were significantly associated with a bacterial etiology: age over 30 years, alcoholism, concomitant neoplasm, cough, coma, pulmonary rales, new neurological signs or petechia. At least one of these 4 latter signs was present in more than 70% of the cases with acute bacterial meningitis compared to 6% in cases of viral meningitis. Thus the clinical presentation alone serves to recognize the meningitis and to differentiate between a bacterial or viral etiology, thus permitting an immediate therapeutic decision without waiting for complementary investigations. The 104 patients with acute bacterial meningitis were treated with antibiotics: 60 with penicillin, 17 with ampicillin and 26 with other antibiotics; one case did not receive antibiotics. More than the half of the cases with viral meningitis have got antibiotics (52%).
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PMID:[Meningitis in adults in Geneva. Review of 257 cases]. 185 79

This study was designed to examine the relationship between respiratory signs and the likelihood of having an abnormal chest radiograph in a sample of febrile infants less than 8 weeks of age. The sample consisted of 242 infants who were admitted during a 3-year period with temperatures greater than or equal to 38 degrees C (100.4 degrees F) and had a chest radiograph. The house officer recorded the presence of respiratory signs and symptoms including rhinorrhea, tachypnea, cough, rales, wheezes, retractions, and rhonchi. Each chest radiograph was reviewed independently according to predetermined criteria by a senior radiology resident and an attending pediatric radiologist. Interobserver agreement was 91%. Both observers were blind to the infants' respiratory signs. The chest radiograph interpretations were compared with the presence of respiratory signs. Of the 242 cases, 228 had chest radiographs available for interpretation. Of these, 27 chest radiographs (12%) were identified as abnormal, including 6 where there was initial disagreement as to the presence of an abnormality. Twenty-five (31%) of 80 infants with any respiratory signs had an abnormal chest radiograph, whereas only 2 (1%) of 148 asymptomatic infants did. The sensitivity of respiratory signs was 93% (confidence interval = 76% to 99%). These findings suggest that in the absence of respiratory signs, febrile infants are unlikely to have an abnormal chest radiograph.
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PMID:Is a chest radiograph necessary in the evaluation of every febrile infant less than 8 weeks of age? 189 92

The histologic evidence of amiodarone pulmonary toxicity is interstitial pneumonia with foamy alveolar macrophages, which ultrastructurally show lamellar inclusion bodies due to lipid storage. Bronchoalveolar lavage (BAL) fluid findings include foamy macrophages, considered characteristic, and, in certain patients, differential cell counts suggestive of active alveolitis, giving rise to an immunologic explanation for its origin. The present study was undertaken in order to investigate the findings in BAL fluid in nontoxic patients taking amiodarone and to evaluate their clinical relevance. Eleven patients taking amiodarone chlorhydrate for severe ventricular arrhythmias (345 +/- 129 mg/day during 46 +/- 31 months and an accumulated dose of 440 +/- 337 g) and without clinical or radiological evidences of pulmonary toxicity, were clinically evaluated and studied by BAL. As shown in Table 1, cough and pulmonary rales were common findings (64% and 36% respectively), chest X-Rays were normal or indicative of cardiac failure and arterial blood gases showed slight hypoxemia (PaO2 83 +/- 10). As these are usual findings in advanced cardiac diseases, the patients were considered as having no amiodarone toxicity. BAL was done and the fluid obtained was processed for cytologic study. In every patient foamy macrophages were seen with light microscopy and lamellar bodies were detected by electron microscopy. In 5/10 evaluable patients BAL fluid cell count disclosed an increase in lymphocytes, leukocytes or both, indicative of alveolitis. This group of patient had lower PaO2 and PaO2/PAO2 than "non alveolitic" patients (76 +/- 9 mmHg vs 89 +/- 5 mmHg and 0.72 +/- 0.1 vs 0.85 +/- 0.08 - p less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Cytologic changes in bronchoalveolar lavage in amiodarone treated patients]. 192 87

Mycoplasma pneumoniae (M. Pneumoniae) is a primarily pathogen of the respiratory tract. The clinical characteristics, laboratory findings, and roentgenographic patterns of 45 patients with serologically proven M. pneumoniae pneumonia admitted to Chang Gung Hospital from 1981 to 1989 have been reviewed. There were 23 males and 22 females. Forty-one (91%) were below 40 years old and 13 patients (29%) were below 5 years old. Fever, cough and chest rales were the most common symptoms and signs. A transient mild elevation of liver enzymes was seen in 33% of the patients, most of whom were below the age of ten (73%). A leukocyte count over 15,000/cu mm was not rare (16%). Roentgenographic features included unilateral infiltration (84%), lower lobe predominance (60%), and either confluent (56%) or patchy (33%) consolidation. Pleural effusion occurred in 24% of the patients. Complete resolution of chest roentgenography took from 8 to 42 days with a mean of 20 days. The response of fever to treatment with erythromycin took from 1 to 6 days with a mean of 3 days. There were no life threatening pulmonic or extrapulmonic complications.
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PMID:Mycoplasma pneumoniae pneumonia: clinical analysis of 45 cases. 193 23

Plain chest roentgenograms may be normal or show nonspecific abnormalities during the frequent febrile episodes that occur in patients after bone marrow transplantation. In this group, ultrafast 10-mm and 3-mm high-resolution CT scans were prospectively performed in 33 patients to determine if useful information was provided that either changed the patient's clinical management or added confidence to the clinical diagnosis. The 36 symptomatic episodes that occurred in 33 patients included fever in 20 episodes and fever combined with cough, dyspnea, chest pain, or rales in 16. Fourteen chest roentgenograms were interpreted as normal, and 22 were interpreted as demonstrating nonspecific changes; however, none of the roentgenograms was considered helpful in that they did not provide sufficient information for further management. In 2 of 14 episodes in patients with normal chest roentgenograms and in 9 of 22 episodes in patients with nonspecific chest roentgenograms, CT scanning resulted in a change in clinical management that included performing bronchoscopy, increasing or changing antibiotic coverage, starting white blood cell transfusions, requesting surgical biopsy, or a combination of these. In 1 of 14 episodes in patients with normal chest roentgenograms and in 8 of 22 episodes in patients with nonspecific roentgenograms, CT added confidence to the diagnosis. In the remaining 16 episodes, CT scans provided no additional information. We conclude that in many instances, noncontrast ultrafast chest CT scans can provide information that may either change a patient's clinical management or more clearly establish the extent of pulmonary disease.
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PMID:High-resolution ultrafast chest CT in the clinical management of febrile bone marrow transplant patients with normal or nonspecific chest roentgenograms. 200 75

Much about acute bronchitis in children is uncertain, even its definition. This study was undertaken to help build a clinical definition to serve as a guide for further research. Charts of 180 children 1 to 12 years old were reviewed. Each had received a diagnosis of acute bronchitis (54 patients), upper respiratory infection with a cough (128 patients), or a new diagnosis of asthma (26 patients) during the previous 12 months. A history of sputum production (odds ration 25.0, p = 0.0001), the finding of rales or rhonchi on examination (OR 11.6, p less than 0.0001), and a past history of lower respiratory illness (OR 3.0, p = 0.01) were associated with a diagnosis of acute bronchitis, but fever and duration of illness were not. In addition, the diagnosis of acute bronchitis was strongly associated with a prescription for an antibiotic. In a child with a cough, acute bronchitis is more likely to be diagnosed if there is a history of sputum production, rales or rhonchi on examination, and a past history of lower respiratory disease.
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PMID:Acute bronchitis in children: building a clinical definition. 202 17


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