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Query: UMLS:C0021311 (Infection)
 38,178 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Two patients died of psittacosis after presenting with generalised toxaemia, acute renal failure, and evidence of pancreatitis. Death was attributed to the virulence of the chlamydial strain and the delay in antemortem diagnosis. In one case Chlamydia psittaci was isolated from necropsy lung tissue. A third case of psittacosis suggested person-to-person or fomite spread, which is rarely reported. Infection was acquired from an apparently healthy, imported and quarantined cockatiel. Import restrictions on psittacines should thus be tightened and psittacosis should be made a notifiable disease.
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PMID:Fulminant psittacosis. 8 4

Fluorochrome 33,258 H, a bisbenzimidazole, was employed for demonstrating Chlamydiae in cell cultures, and proved to be particularly suitable for illustrating the unique intracellular reproduction processes of these organisms. The staining procedure is simple and permits a selective differentiation of chlamydial inclusions and their developmental processes in the cell. Contrary to other staining methods, all stages of the chlamydial reproduction cycle can be illustrated thus permitting the early demonstration of Chlamydiae in the cell. The procedure is suitable not only in experimental investigations on Chlamydiae but also in clinical diagnostics.
Infection 1979
PMID:Optical demonstration of Chlamydiae in cell cultures by means of fluorochrome 33,258 H. 9 17


Infection 1979
PMID:Rheumatoid arthritis: review of searches for an infectious cause. Part II. 9 61

Inactivated whole-virus vaccine of influenza A/Scotland/74 (H3N2) virus containing 700 or 1,400 chick cell-agglutinating (CCA) units, a purified subunit vaccine of equivalent dosage, or placebo were studied in 186 adult volunteers. Placebo was least reactogenic, 1,400-CCA unit whole-virus vaccine was most reactogenic, and others were intermediate. Vaccines were equally antigenic, and delineation of antibody specificities revealed antibody cross-reacting with A/Hong Kong/68 (H3N2) virus in all sera. Antibody specific for A/Hong Kong/68 virus was found in 82% of sera and for A/Scotland/74 virus in 46%. When compared with volunteers given placebo, volunteers given 700 CCA units of subunit or whole-virus vaccine exhibited significant protection against infection with live A/Scotland/74 virus. Infections in vaccinees occurred only in those with low titers of antibody to A/Scotland/74 virus, and this antibody was of the cross-reacting type. Persons with moderate and high levels of antibody resisted infection regardless of the absence or presence of antibody specific for A/Scotland/74 virus. Purified subunit vaccines provide an alternative to whole-virus preparations in primed individuals. Efficacy of vaccines may be dependent on the nature of the antibody response.
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PMID:Efficacy of purified influenza subunit vaccines and relation to the major antigenic determinants on the hemagglutinin molecule. 9 11

Material from 334 consecutive autopsies on Orang Asli subjects performed in the University Hospital, Kuala Lumpur between May 1967 and June 1978 was examined for amyloidosis. Nine positive cases were found, all in patients above 40 years of age, giving an age-corrected incidence of about 9%. In 6 cases, amyloidosis was probably secondary to tuberculosis. The remaining 3 cases exhibited a pericollagenous distribution characteristic of primary amyloidosis. Involvement of the heart and lungs was prominent. However, there were considerable similarities in the distribution and staining properties of the amyloid in the 2 groups. Though both the heart and kidney were frequently affected, the kidney was the most common organ to give rise to clinical symptoms. Infection probably plays a major contributory role in amyloidosis in the Orang Asli.
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PMID:Amyloidosis in Malaysian aborigines (Orang Asli). 9 39

Infection of the temperature-sensitive E. coli CRT 266 (dnaBts) with T3-phages at the temperature of 30 degrees C and 35 degrees C, respectively, induced T3-specific RNA synthesis with a maximum rate at 7 min (30 degrees C) and 4.5 min (35 degrees C) after infection. At temperatures above 40 degrees C no T3-induced RNA synthesis could be observed. Infection of E. coli CR 34--45 (dnaB+) with T3 phages at 30 degrees C, 35 degrees C and at temperatures above 40 degrees C, however, produced T3-specific RNA synthesis. The maximum of T3-induced RNA synthesis could be observed between 7 min and 3 min depending on the temperature during infection. The inability to form T3-specific RNA after infection of E. coli CRT 266 at nonpermissive temperatures may be a cause for the absence of the formation of T3 phages and lysis of the host cells.
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PMID:[Effect of temperature on RNA synthesis in Escherichia coli CRT 266 (dna Bts) following infection with bacteriophage T3]. 9 83

A fecal filtrate of human origin containing the Norwalk agent of epidemic viral gastroenteritis was administered by stomach tube to chimpanzees in an attempt to induce diarrheal disease. Significant postchallenge serum antibody rises against Norwalk viral antigens were demonstrated in all animals using the techniques of immune electron microscopy and radioimmunoassay. In addition, viral antigens were detected in feces from five of nine animals using radioimmunoassay. Clinical illness characterized by diarrhea and/or vomiting did not occur. Infection was transmitted subsequently by feeding four additional chimpanzees a fecal filtrate prepared from one of the previously infected animals. Development of an antibody response in four animals and detection of viral antigen in two animals that received this passage filtrate indicated that viral replication had occurred in the absence of clinical illness. The availability of the chimpanzee as an experimental animal host susceptible to infection with the Norwalk agent should facilitate the study of epidemic viral gastroenteritis.
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PMID:Experimental infection of chimpanzees with the Norwalk agent of epidemic viral gastroenteritis. 9 64

The provision of adequate nutrition to hospitalized patients with exceptional caloric requirements has been a problem until the recent advent of intravenous hyperalimentation. With total parenteral nutrition (TPN), the nutritional needs of any patient can be met by infusion. TPN solution is hypertonic, and administration requires central venous cannulation. The subclavian vein is usually chosen as route of access to the superior vena cava. Strict aseptic technique must be used in inserting the catheter and making up and administering the solution. TPN is not without risk. Infection is always a possibility, as are metabolic alterations, such as electrolyte imbalance, fluid overload, osmotic dehydration, and essential fatty acid deficiency.
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PMID:Meeting exceptional nutritional needs. 1. Total parenteral nutrition. 9 43

A 10-year analysis of 113 cases of staphylococcal endocarditis seen in two Washington, D.C., hospitals is presented. 96% of the cases occurred in parenteral drug addicts, but 4% complicated septicemia from known foci of infection. Coagulase positive staphylococcus was responsible for 97% of the infection, and the rest were caused by coagulase negative staphyloccus. Except in four patients with previously known cardiac murmurs, infection occurred on normal valves in these patients. Infection was isolated to the tricuspid valve in 71%, to the mitral valve in 6% and to the aortic valve in 3.5% of our cases; and more than one cardiac valve was affected in the remaining patients. All patients were treated with antibiotics based on bacterial sensitivity testing. The mortality from isolated tricuspid endocarditis was 5%, from isolated mitral endocarditis 33%, and from isolated aortic valve endocarditis 100%. The overall mortality was 18%. The better prognosis documented for acute tricuspid endocarditis is related to the much less severe haemodynamic consequences of acute tricuspid regurgitation, and the probably milder consequences of septic pulmonary embolism compared with coronary or cerebral embolism.
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PMID:Staphylococcal endocarditis: clinical observations on 113 patients. 9 45

Microsporidian infection is reported in Liza ramada (Risso), Mugilidae, from Bardawil Lagoon, Mediterranean coast of Sinai, in the fibroblasts of the metacercarial capsule of Heterophyes heterophyes (Siebold). Infection of the metacercarial cyst resulted in an hypertrophy of the cyst wall and degeneration and eventual death of the encapsulated metacercaria.
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PMID:Microsporidian infection in the cyst wall of Trematode metacercariae encysted in fish. 9 90


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