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Sökning: L773:1537 6591 > Forskningsöversikt

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1.
  • Chirouze, C, et al. (författare)
  • Prognostic factors in 61 cases of Staphylococcus aureus prosthetic valve infective endocarditis from the International Collaboration on Endocarditis merged database.
  • 2004
  • Ingår i: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. - : Oxford University Press (OUP). - 1537-6591. ; 38:9, s. 1323-7
  • Forskningsöversikt (refereegranskat)abstract
    • Staphylococcus aureus prosthetic valve infective endocarditis (SA-PVIE) is associated with a high mortality rate, but prognostic factors have not been clearly elucidated. The International Collaboration on Endocarditis merged database (ICE-MD) contained 2212 cases of definite infective endocarditis (as defined using the Duke criteria), 61 of which were SA-PVIE. Overall mortality rate was 47.5%, stroke was associated with an increased risk of death, and early valve replacement was not associated with a significant survival benefit in the whole population; however, patients who developed cardiac complications and underwent early valve replacement had the lowest mortality rate (28.6%).
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2.
  • Finley, R. L., et al. (författare)
  • The Scourge of Antibiotic Resistance: The Important Role of the Environment
  • 2013
  • Ingår i: Clinical Infectious Diseases. - : Oxford University Press (OUP). - 1058-4838 .- 1537-6591. ; 57:5, s. 704-710
  • Forskningsöversikt (refereegranskat)abstract
    • Antibiotic resistance and associated genes are ubiquitous and ancient, with most genes that encode resistance in human pathogens having originated in bacteria from the natural environment (eg, beta-lactamases and fluoroquinolones resistance genes, such as qnr). The rapid evolution and spread of "new" antibiotic resistance genes has been enhanced by modern human activity and its influence on the environmental resistome. This highlights the importance of including the role of the environmental vectors, such as bacterial genetic diversity within soil and water, in resistance risk management. We need to take more steps to decrease the spread of resistance genes in environmental bacteria into human pathogens, to decrease the spread of resistant bacteria to people and animals via foodstuffs, wastes and water, and to minimize the levels of antibiotics and antibiotic-resistant bacteria introduced into the environment. Reducing this risk must include improved management of waste containing antibiotic residues and antibiotic-resistant microorganisms.
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3.
  • Forsgren, Arne, et al. (författare)
  • Protein D of Haemophilus influenzae: a protective nontypeable H. influenzae antigen and a carrier for pneumococcal conjugate vaccines.
  • 2008
  • Ingår i: Clinical Infectious Diseases. - : Oxford University Press (OUP). - 1537-6591 .- 1058-4838. ; 46:5, s. 726-731
  • Forskningsöversikt (refereegranskat)abstract
    • Protein D (PD) is a highly conserved 42 kDa surface lipoprotein found in all Haemophilus influenzae, including nontypeable (NT) H. influenzae. PD is involved in the pathogenesis of respiratory tract infections, in the context of which it has been shown to impair ciliary function in a human nasopharyngeal tissue culture model and to augment the capacity to cause otitis media in rats. A likely mechanism indicating that PD is a virulence factor is its glycerophosphodiesterase activity, which leads to the release of phosphorylcholine from host epithelial cells. PD has been demonstrated to be a promising vaccine candidate against experimental NT H. influenzae infection. Rats vaccinated with PD cleared NT H. influenzae better after middle ear and pulmonary bacterial challenge, and chinchillas vaccinated with PD showed significant protection against NT H. influenzae-dependent acute otitis media. In a clinical trial involving children, PD was used as an antigenically active carrier protein in an 11-valent pneumococcal conjugate investigational vaccine; significant protection was achieved against acute otitis media not only caused by pneumococci but also caused by NT H. influenzae. This may have great clinical implications, because PD is the first NT H. influenzae antigen that has induced protective responses in humans.
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4.
  • Pahlitzsch, Roland, et al. (författare)
  • A case of facial cellulitis and necrotizing lymphadenitis due to cowpox virus infection
  • 2006
  • Ingår i: Clinical Infectious Diseases. - 1537-6591. ; 43:6, s. 737-742
  • Forskningsöversikt (refereegranskat)abstract
    • We describe a patient with facial cellulitis/erysipelas due to cowpox virus inoculation in the respiratory epithelium of the nose. A cytopathic agent was isolated in cell culture, and the diagnosis of cowpox was confirmed by electron microscopy and polymerase chain reaction. The most likely source of infection was exposure to the family cats. In addition to the severe edematous cellulitis of the face, the clinical course was dominated by several areas of subcutaneous, necrotizing lymphadenitis, from one of which a huge abscess formed that had to be incised. Hyperbaric oxygen treatment was provided to prevent development of dermal necrosis. The healing process in the numerous areas of lymphadenitis was markedly protracted, and 1 persisting node ( which yielded positive results on polymerase chain reaction) had to be excised 2 years after onset of disease. This is the first reported case of inoculation of cowpox virus in the respiratory mucosa of the nose. It resulted in a clinical course totally different than that for inoculation in the skin. We also present a short review of findings on orthopoxvirus infection that focuses on the chain of transmission.
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  • Resultat 1-4 av 4

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