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

Pneumonia kills about 3 million children every year in developing countries, and it is now clear that most fatal pneumonia is caused by Haemophilus influenzae or Streptococcus pneumoniae. To reduce mortality associated with pneumonia, the World Health Organization has developed guidelines for the treatment of children in developing countries who have cough or difficulty breathing: children without tachypnea or chest indrawing do not need antibiotic therapy; children with tachypnea but no chest indrawing should have antibiotic therapy at home; and children with chest indrawing should be admitted to the hospital for intramuscular injections of benzylpenicillin or chloramphenicol. Universal application of these guidelines would save the lives of approximately 600,000 children every year. Other important issues are oxygen therapy, fluid restriction, limitation of the use of acetaminophen, pneumonia in neonates, and the emergence of antibiotic resistance. There is an urgent need for vaccines that protect infants against infection with S. pneumoniae and all strains of H. influenzae, including nonserotypeable strains.
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PMID:The management of pneumonia in children in developing countries. 874 70

Fourteen mice trapped in or near houses were infected with Pneumocystis carinii and the establishment of pneumonia was helped by injecting with cortisone acetate for 6 weeks. Then 16 cats were infected with P. carinii by injection of lung homogenate from the mice which contained from 1.3 x 10(5) to 2.6 x 10(5) P. carinii cysts. The infection resulted in severe cough and tachypnea in Cats 1-8 injected with cortisone acetate, and a subclinical infection in Cats 9-16. In Cats 1-8, the main pathological finding was typical P. carinii pneumonia, but there only was slight swelling of the lungs in Cats 9-16.
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PMID:Pneumonia in cats caused by Pneumocystis carinii purified from mouse lungs. 875 Jun 95

Esparto grass (Stipa tenacissima), which is commonly found in the Mediterranean countries, has a wide variety of uses. Five stucco makers who had cough, dyspnea, malaise, and fever after exposure to esparto fiber used in their jobs showed a significant decrease in symptoms when they were away from work. Precipitating antibodies against an esparto extract were found in the sera of all patients. Specific IgG antibodies against the esparto extract were also demonstrated in all patient sera, as were IgG antibodies to Aspergillus fumigatus and thermophilic microorganisms (Micropolyspora faeni and Thermoactinomyces vulgaris) by means of an ELISA method. Esparto activity was inhibited in different ranges by the above antigens by inhibition ELISA. Only A. fumigatus could be identified after microbiologic evaluation of the esparto fiber samples. After inhalation challenge tests were performed with esparto extracts, all patients showed significant decreases in forced vital capacity, transfer lung CO, and PaO2 blood gas from baseline values. Fever, chills, malaise, dry cough, tachycardia, tachypnea, and rales on chest auscultation were also observed in all patients. Findings from bronchoalveolar lavage were suggestive of allergic alveolitis. Transbronchial biopsy specimens showed interstitial alveolitis with lymphocyte-macrophage infiltrate and granuloma. Unexposed control subjects did not exhibit reactivity to any of the tests listed above. The dust derived from esparto fibers can cause hypersensitivity pneumonitis in exposed subjects. Organisms such as A. fumigatus and thermophilic actinomyces could be the causative antigens. "Stipatosis" might be an appropriate name for this disorder.
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PMID:Hypersensitivity pneumonitis in workers exposed to esparto grass (Stipa tenacissima) fibers. 893 63

Preliminary results have recently shown that an early switch from parenteral antimicrobials to an oral substitute provides an effective means of treating pneumonia in pediatric patients. In a controlled randomized study, 62 children with community-acquired lobar/segmental pneumonia were selected to receive 8 days of cefixime or amoxicillin-clavulanate after an initial therapy of two doses of parenteral ceftriaxone. Enrollment criteria included: age 6 months to 5 years, fever > 38.5 degrees C, white blood cell (WBC) count > or = 15,000/ mm3, and lobar/segmental pneumonia on chest radiograph. Twenty-nine patients were randomized to receive oral cefixime and 33 to oral amoxicillin-clavulanate. The two groups were comparable in the following pretreatment parameters: age, duration of illness, temperature, mean WBC count, erythrocyte sedimentation rate, C-reactive protein, and need for hospitalization. Days of resolution of high fever, tachypnea, cough, grunting, and laboratory test abnormalities were similar in the two groups. Clinical response at the end of treatment showed cure, improvement, and failure in 97%, 3%, and 0%, respectively, in the cefixime group and in 88%, 6%, and 6%, respectively in the amoxicillin-clavulanate group (P = NS). We conclude that young children with community-acquired lobar/segmental pneumonia can be successfully treated with 2 days of parenteral ceftriaxone followed by 8 days of oral cefixime or amoxicillin-clavulanate.
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PMID:Comparative evaluation of cefixime versus amoxicillin-clavulanate following ceftriaxone therapy of pneumonia. 897 Jul 55

Verbal autopsy uses a caretaker interview to determine the cause of death. We conducted a study of the major causes of child death in Namibia to determine the validity of this method. A questionnaire, including signs and symptoms of the diagnoses of interest was administered to the caretaker in 135 deaths of children < 5 years old who were identified from hospital records. The 243 diagnoses included malnutrition (77), diarrhoea (73), pneumonia (36), malaria (33), and measles (24). Sensitivity and specificity of various algorithms of reported signs and symptoms were compared to the medical diagnoses. An algorithm for malnutrition (very thin or swelling) had 73 per cent sensitivity and 76 per cent specificity. An algorithm for cerebral malaria (fever, loss of consciousness or convulsion) had 72 per cent sensitivity and 85 per cent specificity, while for all malaria deaths the same algorithm had low sensitivity (45 per cent) and high specificity (87 per cent). For diarrhoea, loose or liquid stools had high sensitivity (89 per cent), but low specificity (61 per cent). Cough with dyspnoea or tachypnoea had 72 per cent sensitivity and 64 per cent specificity. An algorithm for measles (age > or = 120 days, rash) had 71 per cent sensitivity and 85 per cent specificity. The study results suggest verbal autopsy data can be useful to ascertain the leading causes of death in childhood, but may have limitations for health impact evaluation.
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PMID:Validation study of a verbal autopsy method for causes of childhood mortality in Namibia. 900 66

Idiopathic pulmonary fibrosis is a poorly characterized disease in infants. In the present report, we reviewed our experience with 10 infants during a 10-year period. In 9 patients, onset of symptoms occurred before the age of 2 months and included tachypnea, cough, and inadequate weight gain. However, despite the presence of these symptoms, diagnosis was delayed for 3 months at which time the infants were referred to the pediatric pulmonary department, when the diagnosis was confirmed by open lung biopsy. At the time of admission, bronchoscopy with alveolar lavage was performed in 9 children and showed severe alveolitis with an increase in the neutrophil count. Nine infants were treated with prednisone alone or in combination with chloroquine, colchicine, or cyclophosphamide; all these patients died despite treatment. One infant was treated with pulses of methylprednisolone because of a failure in response to oral prednisone. This girl who displayed similar clinical, radiological, and histological abnormalities as the other children at the time of diagnosis is the only child still alive after 3 years of follow-up. She is now free of respiratory symptoms and has a normal growth curve. The present report raised two important points: (1) a thorough evaluation of characteristic symptoms should lead to an early diagnosis of pulmonary fibrosis in infants; and (2) administration of pulse therapy using corticosteroids has been helpful and needs to be evaluated further.
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PMID:Idiopathic pulmonary fibrosis in infants. 903 92

The clinical and laboratory features in 62 patients with acute pulmonary embolism were analized. There were 26 males, and 36 females with mean age of 63 +/- 11 (range 37 to 90). The clinical symptoms include: dyspnea (92%), chest pain and/or chest tightness (65%), cough (50%), wheezing (29%), leg swelling (32%), hemoptysis (24%), syncope (18%), leg pain (10%). Clinical signs include: tachypnea (respiratory rate > or = 20 per minute) (79%), tachycardia (37%), deep vein thrombosis (29%), cyanosis (8%), fever (> 38.5 degrees C) (2%). The possible predisposing factors include: immobilization (18%), surgery (5%), deep vein thrombosis, ever(5%), malignancy (5%), pulmonary embolism, ever (3%). Arterial blood gas analysis (while patients breathed room air) revealed mean PH of 7.46 +/- 0.06, mean PO2 of 64.5 +/- 12.1 mmHg, mean PCO2 of 35.3 +/- 4.6 mmHg, mean Alveolar-arterial O2 difference of 36.5 +/- 16.6 mmHg. The electrocardiographic changes include; nonspecific ST-T change (61%), sinus tachycardia (20%), S1Q2T3 pattern (15%), atrial fibrillation (16%), incomplete right bundle branch block (10%), complete right bundle branch block (8%), atrial premature contraction (7%), paroxysmal supraventricular tachycardia (2%). The chest x-ray findings include: cardiomegaly (48%), regional hypovascularity (31%), atelectasis (5%), pleural effusion (5%), wedge-shaped infiltrate (3%), elevated diaphragm (6%). Venous plethysmography was performed in 49 of 62 patients. Of these 49 patients, 28 patients revealed positive finding. Of these 28 patients with positive finding, 18 patients had clinical evidence of deep venous thrombosis. The in-hospital mortality rate was 10% (6/62).
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PMID:[Pulmonary embolism: clinical and laboratory features in 62 patients]. 904 62

Dual infections of pigs with porcine reproductive and respiratory syndrome virus (PRRSV) followed by a second common respiratory virus, either porcine respiratory coronavirus (PRCV) or swine influenza virus (SIV), were studied. The aim was to determine if dual infections, as compared to single virus infections, result in enhanced clinical manifestations. It was also examined if PRRSV replication affects replication of PRCV or SIV in the respiratory tract. Groups of conventional 10 week old pigs were inoculated with PRRSV-only (3 pigs), PRCV-only (4 pigs) or SIV-only (4 pigs). Dual inoculations with PRRSV-PRCV (4 pigs) and PRRSV-SIV (3 groups of 4, 4 and 5 pigs) were performed at a 3 day interval. A group of uninoculated control pigs (8 pigs) was included. The infection with PRRSV-only induced a transient fever (40.2 degrees C) at 2 DPI, but no respiratory signs. The PRCV-only infection remained subclinical. The SIV-only infection resulted in a one day fever (40.1 degrees C) with moderate tachypnoea and dyspnoea. Mean weight gain in the virus-inoculated groups was retarded compared with the control group. The PRRSV-PRCV infection induced a 9 day lasting fever (peak 40.9 degrees C) with tachypnoea, dyspnoea and productive coughing. The PRRSV-SIV infection resulted in fever and respiratory signs in all 3 groups. Clinical signs, however, were more pronounced in group 1 than in groups 2 and 3. Pigs of group 1 showed fever during 10 days (peak 41.4 degrees C), tachypnoea, marked dyspnoea with abdominal breathing, and a productive cough. Pigs of groups 2 and 3 had fever for 5 and 3 days (peaks 40.6 and 40.3 degrees C) respectively and mild respiratory disorders. Mean weight gain during 14 DPI of the 2nd virus was 5.9 kg in the PRRSV-PRCV group and 4.0, 6.8 and 6.7 kg in PRRSV-SIV groups 1, 2 and 3 respectively. Mean weight gain during the corresponding period in the PRRSV-only group was 8.6 kg. It was concluded that dual infections with viruses causes more severe disease and growth retardation than single PRRSV infection. PRCV excretion curves were similar in single and dual virus inoculated groups. Excretion of SIV was delayed by 2 days in the dual inoculated pigs. Thus, replication of the second virus is not (PRCV) or only slightly (SIV) affected by a prior infection with PRRSV.
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PMID:Dual infections of feeder pigs with porcine reproductive and respiratory syndrome virus followed by porcine respiratory coronavirus or swine influenza virus: a clinical and virological study. 905 28

In the Asir region of south-western Saudi Arabia, nasal instillation of olive oil to infants and children in the recumbent position is practised to relieve nasal congestion. Aspiration of olive oil results in lipoid pneumonia resistant to antimicrobial treatment. A series of 5 children, aged 4-72 months, with olive oil-induced lipoid pneumonia is presented. Clinical presentation included persistent coughing, tachypnoea, recurrent febrile illness and chest infections. The pulmonary radiological picture was mainly right middle lobar and perihilar infiltrates. Bronchial lavage and microscopic examination of the aspirate confirmed the presence of fat globules. The pneumonia resolved on treatment with steroids and physiotherapy in the form of clapping and vibrations. For infants and children in this area who present with persistent pulmonary infiltrates which are not responsive to antimicrobials, the differential diagnosis of not only animal fat (ghee, clarified butter) but also of olive oil lipoid pneumonia must be considered.
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PMID:Olive oil aspiration pneumonia (lipoid) in children. 917 48

Tropical pulmonary eosinophilia (TPE) is considered to be a variant of human filarial infection. The pulmonary manifestations of TPE have been well described. Extra-pulmonary features of the disease, although not commonly seen, have been reported previously. A 9-year-old Malay girl with a history of recurrent cough and wheezing was admitted because of cardiac failure. Physical examination revealed a very sick girl with tachypnoea, central cyanosis, finger clubbing, elevated jugular venous pulse, generalized crackles and rhonchi in the chest, a loud second heart sound and hepatosplenomegaly. A chest radiograph showed cardiomegaly and right pleural effusion. Laboratory investigations revealed hypochromic, microcytic anaemia with persistent blood eosinophilia (absolute eosinophil counts varied from 1.9 to 5.5 x 10(9)/1). The ELISA test for antifilarial IgG antibodies was strongly positive. She responded promptly to treatment with diethylcarbamazine. In summary, this is a patient with TPE who presented with cor pulmonale, probably due to late-stage interstitial pulmonary fibrosis. In order to prevent the long term morbidity of cardiorespiratory disability, the early signs of TPE should be recognized and the infection treated.
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PMID:Cor pulmonale: an unusual presentation of tropical eosinophilia. 917 82


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