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Mar Llamas-Velasco, Victoria Alegría, Ángel Santos-Briz, Lorenzo Cerroni, Heinz Kutzner, Luis Requena
We review the most characteristic clinical and histopathologic findings of the cutaneous manifestations of the occlusive nonvasculitic vasculopathic disorders. Clinically, most of these conditions are characterized by retiform purpura. Histopathologic findings consist of occlusion of the vessel lumina with no vasculitis. Different disorders may produce nonvasculitic occlusive vasculopathy in cutaneous blood and lymphatic vessels, including embolization due to cholesterol and oxalate emboli, cutaneous intravascular metastasis from visceral malignancies, atrial myxomas, intravascular angiosarcoma, intralymphatic histiocytosis, intravascular lymphomas, endocarditis, crystal globulin vasculopathy, hypereosinophilic syndrome, and foreign material...
October 18, 2016: American Journal of Dermatopathology
María Isabel Pacheco-Tenza, José Antonio Ruiz-Maciá, María Navarro-Cots, Joan Gregori-Colomé, José María Cepeda-Rodrigo, Jara Llenas-García
INTRODUCTION: Strongyloides stercoralis infection is more prevalent in tropical regions but autochthonous cases have been reported in Spain, mainly in La Safor (Valencia). The objective is to describe the strongyloidiasis cases registered in a regional hospital of Alicante province (Spain) and to determine if they were autochthonous cases. METHODS: Retrospective study of all diagnosed cases of strongyloidiasis in Vega Baja Hospital (Orihuela, Alicante) between January 1999 and March 2016...
October 12, 2016: Enfermedades Infecciosas y Microbiología Clínica
J H Kim, D S Kim, Y K Yoon, J W Sohn, M J Kim
BACKGROUND: Donor-derived Strongyloides stercoralis infection in solid organ transplant (SOT) recipients is uncommon. Immunosuppressed SOT recipients are at risk of developing severe forms of strongyloidiasis infection through transmission from an infected donor allograft. METHODS: PubMed was searched for English-written articles published up to April 2015. Articles that reported cases of donor-derived strongyloidiasis infection in SOT recipients were reviewed for a pooled analysis...
September 2016: Transplantation Proceedings
Haggai Bar-Yoseph, Yaniv Zohar, Margalit Lorber
Helminthic infection and HIV have been reported to coexist, particularly in sub-Saharan African patients living with HIV. Strongyloidiasis is one of the most common helminths, usually leading to cutaneous and gastrointestinal (GI) symptoms. In the immunocompromised host, this infection can lead to strongyloidiasis hyperinfection syndrome (SHS), not common in HIV-infected patients. Immune reconstitution inflammatory syndrome (IRIS) can follow the initiation of antiretroviral therapy (ART), with a variety of presentations...
October 12, 2016: Journal of the International Association of Providers of AIDS Care
Elitza S Theel, Bobbi S Pritt
Parasites are an important cause of human disease worldwide. The clinical severity and outcome of parasitic disease is often dependent on the immune status of the host. Specific parasitic diseases discussed in this chapter are amebiasis, giardiasis, cryptosporidiosis, cyclosporiasis, cystoisosporiasis, microsporidosis, granulomatous amebic encephalitis, toxoplasmosis, leishmaniasis, Chagas disease, malaria, babesiosis, strongyloidiasis, and scabies.
August 2016: Microbiology Spectrum
Meruyert Beknazarova, Harriet Whiley, Kirstin Ross
Strongyloidiasis is an underestimated disease caused by the soil-transmitted parasite of the genus Strongyloides. It is prevalent in socioeconomically disadvantaged communities and it is estimated that global infection could be as high as 370 million people. This paper explores current methods of strongyloidiasis treatment, which rely on administration of anthelminthic drugs. However these drugs cannot prevent reinfection and drug resistance has already been observed in veterinary models. This highlights the need for a combined approach for controlling Strongyloides that includes both clinical treatment and environmental control methods...
September 30, 2016: Pathogens
Fatehi Elnour Elzein, Mohammed Alsaeed, Sulafa Ballool, Ashraf Attia
The mortality in Strongyloides hyperinfection syndrome (SHS) is alarmingly high. This is particularly common in bone marrow, renal, and other solid organ transplant (SOT) patients, where figures may reach up to 50-85%. Immunosuppressives, principally corticosteroids, are the primary triggering factor. In general, the clinical features of Strongyloides stercoralis hyperinfection are nonspecific; therefore, a high index of suspicion is required for early diagnosis and starting appropriate therapy. Although recurrent Gram-negative sepsis and meningitis have been previously reported, the combination of both cytomegalovirus (CMV) and strongyloidiasis had rarely been associated...
2016: Case Reports in Transplantation
Lloyd J Einsiedel, Hai Pham, Richard J Woodman, Clinton Pepperill, Kerry A Taylor
OBJECTIVE: Hospital and laboratory data indicate that human T-lymphotropic virus type 1 (HTLV-1) is endemic to central Australia, but no community-based studies of its prevalence or disease burden have been reported. We determined the prevalence rates of HTLV-1 infection and of HTLV-1-associated diseases in a remote Indigenous community. SETTING: A remote Northern Territory community. DESIGN: All residents were asked to complete a health survey and offered a limited clinical examination, together with serological tests for HTLV-1 and Strongyloides, and HTLV-1 proviral load (PVL) assessment...
October 3, 2016: Medical Journal of Australia
Fabiana Martins de Paula, Fernanda Mello Malta, Marcelo Andreetta Corral, Priscilla Duarte Marques, Maiara Gottardi, Dirce Mary Correia Lima Meisel, Juliana Yamashiro, João Renato Rebello Pinho, Vera Lucia Pagliusi Castilho, Elenice Messias do Nascimento Gonçalves, Ronaldo César Borges Gryschek, Pedro Paulo Chieffi
Strongyloidiasis is a potentially serious infection in immunocompromised patients. Thus, the availability of sensitive and specific diagnostic methods is desirable, especially in the context of immunosuppressed patients in whom the diagnosis and treatment of strongyloidiasis is of utmost importance. In this study, serological and molecular tools were used to diagnose Strongyloides stercoralis infections in immunosuppressed patients. Serum and stool samples were obtained from 52 patients. Stool samples were first analyzed by Lutz, Rugai, and Agar plate culture methods, and then by a quantitative real time polymerase chain reaction (qPCR)...
2016: Revista do Instituto de Medicina Tropical de São Paulo
L Getaz, L Da Silva-Santos, H Wolff, M Vitoria, N Serre-Delcor, J C Lozano-Becerra, F Chappuis, P Albajar-Viñas
A number of infectious diseases amongst travelers and the immigrant populations are a major public health concern. Some have a long incubation period or remain asymptomatic or paucisymptomatic for many years before leading to significant clinical manifestations and/or complications. HIV, hepatitis B and C, tuberculosis or latent syphilis are among the most significant persistent diseases in migrants. Schistosomiasis and strongyloidiasis, for instance, are persistent helminthic infections that may cause significant morbidity, particularly in patients co-infected with HIV, hepatitis B and C...
October 2016: Revista Española de Sanidad Penitenciaria
Niranjan Tachamo, Salik Nazir, Saroj Lohani, Paras Karmacharya
Strongyloidiasis is a parasitic infestation caused by Strongyloides stercoralis. Most cases are asymptomatic; however, symptomatic patients may present with a wide range of non-specific cutaneous, pulmonary, or gastrointestinal symptoms posing a diagnostic dilemma and delay in diagnosis. We report a case of a 58-year-old female who presented with months of generalized pruritus and abdominal discomfort along with persistent eosinophilia due to strongyloidiasis, which completely resolved with treatment.
2016: Journal of Community Hospital Internal Medicine Perspectives
Marco Albonico, Sören L Becker, Peter Odermatt, Andrea Angheben, Mariella Anselmi, Arancha Amor, Beatrice Barda, Dora Buonfrate, Philip Cooper, Laurent Gétaz, Jennifer Keiser, Virak Khieu, Antonio Montresor, José Muñoz, Ana Requena-Méndez, Lorenzo Savioli, Richard Speare, Peter Steinmann, Lisette van Lieshout, Jürg Utzinger, Zeno Bisoffi
No abstract text is available yet for this article.
September 2016: PLoS Neglected Tropical Diseases
Dora Buonfrate, Federico Gobbi, Anna Beltrame, Zeno Bisoffi
Strongyloides stercoralis is a soil-transmitted helminth widely diffused in tropical areas. Chronic infection is usually characterized by absent or mild symptoms, but immunocompromised subjects are at risk of developing a severe syndrome that can be fatal if not promptly treated. We report a case of S. stercoralis infection causing severe anemia (hemoglobin 4.9 g/dL) and a lung nodule in a 14-year-old girl of Ethiopian origin adopted by an Italian couple. Severe anemia due to strongyloidiasis has been rarely reported, and mostly in severely ill patients, whereas our patient was immunocompetent and in good general conditions...
September 6, 2016: American Journal of Tropical Medicine and Hygiene
Toan Nguyen, Fei Wen Cheong, Jonathan Wee Kent Liew, Yee Ling Lau
BACKGROUND: Despite the global effort against neglected tropical diseases (NTDs), developing countries with middle to low income are still burdened by them. Vietnam has been undergoing substantial economic growth and urbanization, but underprivileged people living in rural and suburban areas are still having little access to public health infrastructure and proper sanitation. Hitherto, limited information is available for seroprevalence and risk factors of several parasitic diseases in Vietnam...
2016: Parasites & Vectors
A Galiano, M Trelis, Á Moya-Herráiz, J Sánchez-Plumed, J F Merino
Most cases of strongyloidiasis associated with solid organ transplantation have been due to the reactivation of a latent infection in the recipient as a result of the immunosuppressive therapy; however, donor-derived infections are becoming increasingly frequent. The case of a patient who nearly died of a Strongyloides stercoralis hyperinfection after receiving simultaneous kidney/pancreas transplants is described herein. No specific parasitological tests were performed pre-transplantation, despite the fact that both the recipient and the donor originated from endemic areas...
August 30, 2016: International Journal of Infectious Diseases: IJID
Lahari Rampur, Sunit P Jariwala, Golda Hudes, David L Rosenstreich, Gabriele de Vos
BACKGROUND: The immunomodulatory effects of helminths have been well described. However, there is a relative lack of literature regarding the link between parasites and allergic diseases. A number of patients with allergic symptoms have positive serologic test results for Strongyloides stercoralis. OBJECTIVE: To identify patients with allergy-type symptoms and coexisting Strongyloides infection and to analyze the effect of Strongyloides eradication therapy with ivermectin on these symptoms...
October 2016: Annals of Allergy, Asthma & Immunology
Tatvam T Choksi, Gul Madison, Tawseef Dar, Mohammed Asif, Kevin Fleming, Leon Clarke, Mervyn Danilewitz, Randa Hennawy
Strongyloides stercoralis is well known to cause hyperinfection syndrome during the period of immunosuppression; but dissemination, worsening hyperinfection, and development of multiorgan dysfunction syndrome after initiation of ivermectin has not been reported in the past. Herein, we describe the case of a 62-year-old man with chronic strongyloidiasis and human T-cell lymphotropic virus-1 coinfection, who developed significant clinical worsening after 24-48 hours of initiation of treatment with ivermectin (200 μg/kg daily)...
October 5, 2016: American Journal of Tropical Medicine and Hygiene
Dora Buonfrate, Mara Baldissera, Fabrizio Abrescia, Matteo Bassetti, Giacomo Caramaschi, Mario Giobbia, Marta Mascarello, Paola Rodari, Novella Scattolo, Giuseppina Napoletano, Zeno Bisoffi
Strongyloides stercoralis is a soil-transmitted helminth widely diffused in tropical and subtropical regions of the world. Autochthonous cases have been also diagnosed sporadically in areas of temperate climate. We aimed at defining the epidemiology of strongyloidiasis in immigrants and Italians living in three northern Italian Regions. Screening for S. stercoralis infection was done with serology, confirmation tests were a second serological method or stool agar culture. A case-control approach was adopted and patients with a peripheral eosinophil count ≥ 500/mcL were classified as cases...
August 4, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Brian Maskery, Margaret S Coleman, Michelle Weinberg, Weigong Zhou, Lisa Rotz, Alexander Klosovsky, Paul T Cantey, LeAnne M Fox, Martin S Cetron, William M Stauffer
BACKGROUND: Many U.S.-bound refugees travel from countries where intestinal parasites (hookworm, Trichuris trichuria, Ascaris lumbricoides, and Strongyloides stercoralis) are endemic. These infections are rare in the United States and may be underdiagnosed or misdiagnosed, leading to potentially serious consequences. This evaluation examined the costs and benefits of combinations of overseas presumptive treatment of parasitic diseases vs. domestic screening/treating vs. no program. METHODS: An economic decision tree model terminating in Markov processes was developed to estimate the cost and health impacts of four interventions on an annual cohort of 27,700 U...
August 2016: PLoS Neglected Tropical Diseases
Kensuke Takaoka, Yannis Gourtsoyannis, John D Hart, Margaret Armstrong, Amanda Daniel, Emma Mewse, Diana Phillips, Robin L Bailey
BACKGROUND: Few studies have investigated incidence rate and risk factors for giardiasis and strongyloidiasis in returning UK travellers. The clinical presentations of these two diseases are often similar and difficult to distinguish. This study was conducted to investigate the incidence rate and the risk factors for symptomatic giardiasis and strongyloidiasis in returned tropical travellers. METHODS: We retrospectively analysed 3306 consecutive attendances presenting to the emergency clinic at the Hospital for Tropical Diseases in London, the UK from September 2008 to May 2010...
May 2016: Journal of Travel Medicine
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