3 results on '"Einsiedel, L"'
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2. StrongNet: An International Network to Improve Diagnostics and Access to Treatment for Strongyloidiasis Control
- Author
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Albonico, M, Becker, Sl, Odermatt, P, Angheben, A, Anselmi, M, Amor, A, Barda, B, Buonfrate, D, Cooper, P, Getaz, L, Keiser, J, Khieu, V, Montresor, A, Munoz, J, Requena-Mendez, A, Savioli, L, Speare, R, Steinmann, P, van Lieshout, L, Utzinger, J, Bisoffi, Z, StrongNet Working Group: Ault, S, Bartoloni, A, Bottazzi, Me, Bottieau, E, Bradbury, R, Brattig, N, Calleri, G, Castel, M, Caumes, E, Chiodini, Pl, Colli, E, de los Santos JJ, Einsiedel, L, Ferrero, L, Formenti, F, Forrer, A, Gétaz, L, Gobbi, F, Gombe-Goetz, S, Gomez, J, Gotuzzo, E, Guevara, A, Kearns, T, Knopp, S, Kotze, A, Krolewiecki, A, Lammie, P, Luchanez, A, Magnussen, P, Marcos, L, Marlais, T, Marti, H, Mccarthy, J, Mejia, R, Mena, Ma, Mertens, P, Miles, M, Molina, I, Mueller, A, Muñoz, J, Muth, S, Neumayr, A, Nickel, B, Nutman, T, Olsen, A, Page, W, Perandin, F, Periago, Mv, Phongluxa, K, Polman, K, Raso, G, Requena-Méndez, A, Saboya, M, Sayasone, S, Seixas, J, Sevcsik, A-M, Schär, F, Sheorey, H, Shield, J, Arandes, As, Steer, A, Streit, A, Tanaka, T, Vercruysse, J, Verdonck, K, Visser, L, Vonghachack, Y, Weber, C, Yajima, A, and Zammarchi, L
- Subjects
Male ,Pediatrics ,Internationality ,Nematoda ,Nematodes ,Ectoparasitic Infections ,Communicable diseases ,Pathology and Laboratory Medicine ,Health Services Accessibility ,Scabies ,0302 clinical medicine ,Ivermectin ,Risk Factors ,Strongyloides ,Medicine and Health Sciences ,Medicine ,Public and Occupational Health ,030212 general & internal medicine ,Anthelmintics ,biology ,Communication ,lcsh:Public aspects of medicine ,Strongyloides Stercoralis ,Rash ,Serology ,Infectious Diseases ,Strongyloidiasis ,Helminth Infections ,Strongyloidiasis, Feces Analysis, Ivermectin ,Female ,medicine.symptom ,Neglected Tropical Diseases ,medicine.drug ,Adult ,medicine.medical_specialty ,lcsh:Arctic medicine. Tropical medicine ,Infectious Disease Control ,lcsh:RC955-962 ,030231 tropical medicine ,Sexually Transmitted Diseases ,Strongyloides stercoralis ,03 medical and health sciences ,Diagnostic Medicine ,Parasitic Diseases ,Animals ,Humans ,Disease burden ,Policy Platform ,business.industry ,Public health ,Organisms ,Public Health, Environmental and Occupational Health ,Biology and Life Sciences ,Tropical disease ,lcsh:RA1-1270 ,Malalties infeccioses ,Tropical Diseases ,biology.organism_classification ,medicine.disease ,Invertebrates ,Malaria ,Surgery ,Soil-Transmitted Helminthiases ,business ,Feces Analysis - Abstract
Strongyloidiasis is a disease caused by an infection with a soil-transmitted helminth that affects, according to largely varying estimates, between 30 million and 370 million people worldwide [1,2]. Not officially listed as a neglected tropical disease (NTD), strongyloidiasis stands out as particularly overlooked [3]. Indeed, there is a paucity of research and public health efforts pertaining to strongyloidiasis. Hence, clinical, diagnostic, epidemiologic, treatment, and control aspects are not adequately addressed to allow for an effective management of the disease, both in clinical medicine and in public health programs [4]. The manifold signs and symptoms caused by Strongyloides stercoralis infection, coupled with the helminth’s unique potential to cause lifelong, persistent infection, make strongyloidiasis relevant beyond tropical and subtropical geographic regions, where, however, most of the disease burden is concentrated. Indeed, strongyloidiasis is acquired through contact with contaminated soil, and the infection is, thus, primarily transmitted in areas with poor sanitation, inadequate access to clean water, and lack of hygiene. While the actual morbidity of chronically infected, immunocompetent individuals is subtle and difficult to appreciate [5], the particular importance of this parasitic worm is linked to its potential for maintaining lifelong autoinfections and causing a life-threatening hyperinfection syndrome in immunocompromised individuals [6]. Lack of point-of-care (POC) diagnostics and poor availability of, and access to, ivermectin (the current treatment of choice) are the two most significant bottlenecks that hinder effective management of the disease both in clinical and in public health settings. Examples of the management and importance of strongyloidiasis in two clinical contexts (in a tropical setting and a high-income country) and from a public health perspective are given in Boxes 1–3. Box 1. Individual Living in an Endemic Area with Diarrhea, Abdominal Pain, Pruritus, and Significant Dermatological Manifestations [10] A 43-year-old male farmer, living in the rural eastern part of Preah Vihear province, northern Cambodia, was diagnosed with a heavy Strongyloides stercoralis infection (924 and 478 larvae present in two Baermann examinations). Additionally, larvae and adult S. stercoralis were detected in Koga agar plate culture examinations of the stools. The patient was co-infected with hookworm and presented with abdominal pain, diarrhea, nausea, vomiting, fever, and a pronounced and persistent skin rash, which had been present with extensive itching for more than two years. The rash was observed on the back, chest, abdomen, and extremities and, due to frequent and intense scratching, showed signs of focal infection. Three weeks after treatment with a single oral dose of ivermectin (200 μg/kg) and a single oral dose of mebendazole, the patient’s rash had almost disappeared, and he was free of episodes of intensive itching.
- Published
- 2016
3. The Epidemiology of Staphylococcus aureus and Panton-Valentine Leucocidin (pvl) in Central Australia, 2006-2010.
- Author
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Hewagama, S., Spelman, T., Woolley, M., McLeod, J., Gordon, D., and Einsiedel, L.
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MOLECULAR epidemiology ,METHICILLIN-resistant staphylococcus aureus ,SINGLE nucleotide polymorphisms ,SOFT tissue infections ,PNEUMONIA ,NASOPHARYNX microbiology ,COMMUNICABLE disease epidemiology ,BACTEREMIA ,BACTERIAL toxins ,CARRIER state (Communicable diseases) ,COMMUNICABLE diseases ,GENETIC polymorphisms ,LONGITUDINAL method ,SKIN diseases ,STAPHYLOCOCCAL diseases ,STAPHYLOCOCCUS aureus ,TOXINS ,CYTOTOXINS ,GENOTYPES - Abstract
Background: The Central Australian Indigenous population has a high incidence of Staphylococcus aureus bacteremia (SAB) but little is known about the local molecular epidemiology.Methods: Prospective observational study of bacteremic and nasal colonizing S.aureus isolates between June 2006 to June 2010. All isolates underwent single nucleotide polymorphism (SNP) genotyping and testing for the presence of the Panton-Valentine Leucocidin (pvl) gene.Results: Invasive isolates (n = 97) were predominantly ST93 (26.6 %) and pvl positive (54.3 %), which was associated with skin and soft tissue infections (OR 4.35, 95 % CI 1.16, 16.31). Non-multiresistant MRSA accounted for 31.9 % of bacteremic samples and showed a trend to being healthcare associated (OR 2.16, 95 % CI 0.86, 5.40). Non-invasive isolates (n = 54) were rarely ST93 (1.9 %) or pvl positive (7.4 %).Conclusions: In Central Australia, ST93 was the dominant S.aureus clone, and was frequently pvl positive and associated with an aggressive clinical phenotype. Whether non-nasal carriage is more important with invasive clones or whether colonization occurs only transiently remains to be elucidated. [ABSTRACT FROM AUTHOR]- Published
- 2016
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