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

Cases of otitis media in infants under 12 weeks of age were reviewed to delineate the frequency, clinical features, and etiologic agents involved. Tympanocentesis was performed in 42 infants, 0 to 5 weeks of age, and in 17, from 6 to 11 weeks of age. The most common symptoms were irritability/lethargy (69%), fever (52%), cough (36%), vomiting (21%), diarrhea (20%), tachypnea (20%), and anorexia (18%). Associated illnesses were present in 33 (54%) of the patients, the most common being pneumonia (9), bronchiolitis (7), meningitis (6), conjunctivitis (4), and omphalitis (4). No peripartum infections or severe perinatal problems were found. Common respiratory pathogens were the predominant etiologic organisms, but coliform organisms were identified in 18% of the infants under 6 weeks of age. Cultures were sterile or grew organisms of questionable pathogenicity ("nonpathogens") in 39% of specimens. Since the signs and symptoms of otitis media in children less than 12 weeks of age are nonspecific and frequently associated with other major illnesses, the physician caring for these infants needs to be more aware of this disease and the therapeutic problems it presents.
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PMID:Otitis media in children less than 12 weeks of age. 1 93

Toxicosis was induced in pregnant Holstein-Friesian heifers by giving polybrominated biphenyls a in gelatin capsules at the rate of 25 g/day. Initially, this dosage was approximately 67 mg/kg of body weight. Clinical signs were anorexia, excessive lacrimation and salivation, diarrhea, emaciation, dehydration, depression, and abortion. Fever was not evident during the experiment. Values for serum glutamic-oxalacetic transaminase, lactic dehydrogenase, blood urea nitrogen, and bilirubin were increased. Changes in packed cell volume, hemoglobin content, total erythrocyte and leukocyte counts, and differential leukocyte counts were minimal and reflected dehydration and secondary infection. The principal urine changes were decreased specific gravity and moderate proteinuria. Gross necropsy findings included dehydration; subcutaneous emphysema and hemorrhage; atrophy of the thymus; fetal death with concomitant necrosis of cotyledons; kidneys that were enlarged, pale tan to gray; thickened wall of the gallbladder; inspissated bile; edema of abomasal folds; mucoid enteritis; linear hemorrhage and edema of the rectal mucosa; and secondary pneumonia. Microscopic changes were most marked in the kidneys, gallbladder, and eyelid. In the kidney, the principal changes were extreme dilatation of collecting ducts and convoluted tubules, with epithelial degenerative changes of cloudy swelling, hydropic degeneration, and separation from the basement membrane. Common changes in the gallbladder were moderate to marked hyperplasia and cystic dilatation of the mucous glands in the lamina propria. The changes in the eyelids were characterized by hyperkeratosis, with accumulations of keratin in hair follicles of the epidermis and squamous metaplasia with keratin cysts in the tarsal glands. Clinical signs and lesions of toxicosis did not develop in heifers given the polybrominated biphenyls at the rate of 0.25 mg and 250 mg/day for 60 days. Initially these rates were approximately 0.00065 mg/kg and 0.65 mg/kg of body weight, respectively.
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PMID:Pathology of experimentally induced polybrominated biphenyl toxicosis in pregnant heifers. 18 92

During the period from 1961 to 1976 884 patients with cancer of the stomach were registered and treated at surgical Clinic in Zagreb. From those cases 607 (68,66%) were men and 277 (31,34%) women. The age of patients varied from 50 to 70 years. More of them were pensoners and farmers. From those patients 196 (22,17%) were smokers and 176 (19,9%) alcoholics. All of them had usual symptoms of cancers of the stomach, mainly combined with loss in weight, loss of appetite and gastrointestinal bleeding. Average duration of symptoms before coming to the Clinic was six months. Preoperatively 88 (9,9%) were inoperable. By explorative laparotomy 175 (17,5%) inoperable cases were found. At 261 (29,5%) palliative operations were done. 63 (7,1%) patients refused to be operated. Using different methods 297 (35,5%) patients were radical operated. The most frequent were adenocarcinoma and after them gastric ulcers which became malignant. The most frequent causes of death were peritonitis and pneumonia. 7,3% of radically operated patients survived 5 years.
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PMID:[Carcinoma of the stomach]. 30 95

A 3-year mortality and morbidity survey was conducted in a research foxhound breeding colony. Its purpose was to identify specific problem areas for further study and rectification. Three-hundred and thirty-nine litters (2,872 puppies) were whelped. Seventeen percent (17.4%) of the puppies died before weaning and 4.0% died between weaning and 30 weeks of age. Major puppy losses (55.6% of the total mortality) occurred during the 1st week after birth. The majority of deaths during this period was attributable to stillbirth, immaturity or runting, trauma and congenital abnormalities. The predominant causes of death thereafter were pneumonia, malnutrition, and gastrointestinal disease. The most frequent causes of morbidity among puppies were respiratory disease, anorexia and dehydration, skin disorders, and gastrointestinal disease. These entities were most commonly observed during the 2 weeks before and after weaning at 6 weeks of age. Clinical disease problems among breeding stock were few and were easily resolved. Fighting and infections of the skin and ear canals constituted 75.5% of the cases observed.
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PMID:Morbidity and mortality in a closed foxhound breeding colony. 55 6

Pleural effusion in 37 horses, including 15 acutely affected and 22 chronically affected, was found to be due to a variety of causes, including lymphocarcoma, pulmonary granulomas, coccidioidomycosis, equine infectious anemia, pulmonary abscesses, chronic pneumonia, and primary septic pleural effusion. Age, breed, or sex predilection was not found. Horses with chronic disease had weight loss, increased respiratory rate, dull respiratory sounds in the ventral portion of the thorax, and varying degrees of anorexia. Many horses were anemic. Those acutely affected had respiratory distress or signs of colic and many were anorectic. Most horses with acute primary disease had small volumes of pleural fluid. Culture and cytologic examination of pleural fluid and tracheal washings revealed the causative organism in some instances, but in a number of "primary" cases there were negative results on bacterial culture. The latter cases must be differentiated from other causes of chronic weight loss in the horse.
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PMID:Pleuritis and pleural effusion in the horse: a study of 37 cases. 57 21

Twenty-four cases of Legionnaires' disease were diagnosed at the Wadsworth Veterans Administration Hospital during a 5-month period. All cases occurred in persons exposed to the hospital environment during the usual incubation period of Legionnaires' disease. The clinical illness was quite characteristic. All patients complained of weakness, malaise, anorexia, and cough. Rigors, diarrhea, and pleuritic pain were frequent symptoms. All patients had a maximum temperature of greater than or equal to 39.4 degrees C. Thirteen of 22 patients had relative bradycardia. Chest roentgenograms documented pneumonia in all patients. Leukocytosis, hyponatremia, hypophosphatemia, and abnormal liver-function test results were typical. Diagnosis was made by serologic criteria in 20 patients, postmortem examination of tissue in two, and both serology and tissue examination in two. Four patients in whom the disease was not suspected died of Legionnaires' disease. One patient died of unrelated causes. Fifteen of 19 survivors received erythromycin therapy. The presentation of Legionnaires' disease was characteristic enough to allow early, specific therapy.
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PMID:Legionnaires' disease: clinical features of 24 cases. 68 39

A virus was isolated from the lymph nodes of a cow. By its cultural, physical, chemical, and biologic properties it proved identical with the standard bovine respiratory syncytial virus. It multiplied well in cell cultures of calf kidney at pH 7--7.5. Introduced in 20-day-old guinea pigs the virus caused anorexia, bristling up of hairs, stunting, and occasionally death. The inoculated guinea pigs developed pneumonia of a proliferative type with Langhans' giant cells. The interrlationship between the isolated virus and the standard oncorna virus, type C, is discussed.
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PMID:[Study and identification of the respiratory syncytial virus isolated from a leukemic cow]. 70 46

Chronic pulmonary histoplasmosis is best regarded as an opportunist or saprophytic infection of abnormal pulmonary spaces by a fungus of very low human pathogenicity. Tissue disease results from host immune response to dispersions of soluble antigen from these focal sources. There are two distinct types of clinical and radiological response. One is an acute or subacute illness manifested by often large segmental pneumonic lesions which tend to heal and are designated as early lesions. The other, usually developing as a complication of the first, is a chronic disease marked by persistent cavitation, low gard chronic illness, and a tendency to promote pulmonary fibrosis and often progressive pulmonary insufficiency. The early lesion is a segmental interstitial pneumonitis with central areas of infarct-like necrosis often adjacent to bullous disease and often outlining prominent emphysematous spaces which appear as radiolucencies. These radiological findings are further characterized by early clearing of the interstitial components, infarct-like contraction of the necrotic zones, obliteration of much of the contained emphysematous and bullous spaces, and healing attended by considerable loss of lung volume. Symptoms are variable but tend to be mild. Malaise, fatigability, low-grade fever, aching chest pain and mild cough lasting a few days to a few weeks are usual. Symptoms are ameliorated by rest. Rest and diminished activity are recommended as treatment. Under these circumstances, 80% of early lesions heal completely and probably most of these would heal spontaneously. Any subsequent course of the disease depends on whether or nor large air spaces, adjacent to or contained within the area of pneumonitis, become infected and persist as cavities. This occurs in 20% of early lesions. Once established, an infected cavity tends to persist and to be attended by symptoms of chronic bronchitis with chronic cough and sputum, fatigability, anorexia, and weight loss. Persisting thickwalled cavities often induce gradual development of pulmonary fibrosis, particulary in the lung bases, apparently from aspiration of antigenic material. This and the accelerated obstructive bronchopulmonary disease often lead to progressive pulmonary insufficiency. The use of amphotericin B is recommended for all persistent thick-walled cavities and in some circumstances surgical resection may be indicated.
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PMID:Chronic pulmonary histoplasmosis. 79 26

An autopsy case of Cronkhite-Canada's syndrome characterized by diffuse gastrointestinal polyposis, alopetia, onychodystrophia and pigmentation of the skin is reported. The patient, 51 year-old-male, died with general weakness and pneumonia at 6 months after the first notice of alopetia anorexia and weight loss. Numerous and various sized polyps and polypoid lesions were revealed in the gastrointestinal tracts at the autopsy. The microscopic pictures of the lesions were composed of hyperplastic or papillary adenomatous polyps with hyperplasia of mucosa epithelium. In some of the lesions, the glands are cystically dilated containing mucous. Lymph vessels of thelamina propria and the submucosa benerked chronic inflammatory infiltrate was noted. The present report is described the histopathological findings of the gastrointestinal lesions with Cronkhite-Canada syndrome and discussed with literature.
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PMID:An autopsy case of Cronkhite-Canada syndrome. 99 57

A fibrinous polyserositis syndrome due to generalized Escherichia coli infection in pigs was observed in 13 out of 17 systematically monitored herds. The mortality rate was approximately 0.1% among liveborn pigs. The occurrence was usually sporadic but a minor enzootic was observed in one herd. Most of the affected pigs succumbed during first or second week of life but cases were observed throughout the suckling period. The clinical signs included marked depression, anorexia, rough haircoat, laboured respiration and death in two to five days. Predominant gross pathological lesions were signs of septicaemia and a voluminous, gelatinous and fibrinous exudate in the pleural, the pericardial and the peritoneal cavities. Frequently also a firbinous polyarthritis and a fibrinous pneumonia were present. The majority of the isolated invasive E. coli strains were nonhaemolytic. Serologically 11 different E. coli O groups were encountered. O group most frequently represented was 020. None of the examined E. coli strains belonged to the serogroups which frequently are associated with enteropathogenicity in pigs.
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PMID:Polyserositis in pigs due to generalized Escherichia coli infection. 110 Feb 4


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