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https://www.readbyqxmd.com/read/29353268/non-invasive-diagnostic-criteria-for-hepatocellular-carcinoma-in-hepatitis-b-virus-endemic-areas-is-cirrhosis-indispensable
#1
Xiao-Wen Huang, Bing Liao, Yang Huang, Jin-Yu Liang, Quan-Yuan Shan, Shun-Li Shen, Xiao-Yan Xie, Ming-de Lu, Li-da Chen, Wei Wang
AIM: To confirm whether cirrhosis is indispensable for the non-invasive diagnostic criteria for hepatocellular carcinoma (HCC) in hepatitis B virus (HBV)-endemic areas. METHODS: Between January 2014 and December 2014, a total of 409 patients with pathologically proven focal liver lesions who underwent contrast-enhanced ultrasound (CEUS) were recruited from our institution. Clinical liver cirrhosis, HBV/HCV infection and HCC-typical vascular pattern of the targeted lesion on CEUS were evaluated...
January 19, 2018: Digestive Diseases
https://www.readbyqxmd.com/read/29353010/modulation-of-immune-responses-by-plasmodium-falciparum-infection-in-asymptomatic-children-living-in-the-endemic-region-of-mbita-western-kenya
#2
Caroline Kijogi, Daisuke Kimura, Lam Quoc Bao, Risa Nakamura, Evans Asena Chadeka, Ngetich Benard Cheruiyot, Felix Bahati, Kazuhide Yahata, Osamu Kaneko, Sammy M Njenga, Yoshio Ichinose, Shinjiro Hamano, Katsuyuki Yui
Individuals living in malaria endemic areas become clinically immune after multiple re-infections over time and remain infected without apparent symptoms. However, it is unclear why a long period is required to gain clinical immunity to malaria, and how such immunity is maintained. Although malaria infection is reported to induce inhibition of immune responses, studies on asymptomatic individuals living in endemic regions of malaria are relatively scarce. We conducted a cross-sectional study of immune responses in asymptomatic school children aged 4-16years living in an area where Plasmodium falciparum and Schistosoma mansoni infections are co-endemic in Kenya...
January 15, 2018: Parasitology International
https://www.readbyqxmd.com/read/29352830/schistosoma-mansoni-and-endocarditis-from-egg-to-free-dna-detection-in-egyptian-patients-and-infected-balb-c-mice
#3
M A Hasby Saad, M M Watany
With the growing incidence of closed schistosomiasis and uncommon presentations, there is a risk of the infection rate being underestimated. A study in Japan reported an unexplained case of endocarditis that was finally diagnosed as a complex Schistosoma japonicum infection; in the absence of advanced techniques, the diagnosis was delayed. We therefore set out to explore the incidence of Schistosoma mansoni in endocarditis patients coming from areas of Egypt where S. mansoni is endemic. We also investigated histopathological changes in the cardiac valves and the presence of cell-free parasite DNA (CFPD) in cardiac tissues of laboratory mice infected with S...
January 21, 2018: Journal of Helminthology
https://www.readbyqxmd.com/read/29352650/cryptococcus-gattii-genotype-vgiia-infection-imported-from-vancouver-island-to-japan
#4
Tsuyoshi Kitaura, Masamichi Takahashi, Takashi Umeyama, Nozomi Takeshita, Yuichi Katanami, Saho Takaya, Kei Yamamoto, Satoshi Kutsuna, Kayoko Hayakawa, Yasuyuki Kato, Takahiro Yamauchi, Yoshitaka Narita, Yoshitsugu Miyazaki, Norio Ohmagari
A 71-year-old Japanese man with travel history to the Vancouver Island, Canada was diagnosed the pulmonary and central nervous system infections caused by Cryptococcus gattii genotype VGIIa. This is the first imported case of Cryptococcus gattii genotype VGIIa infection from endemic area of North America to Japan. He was recovery with no residual neurological dysfunction by early resection of brain mass and antifungal therapy. Early surgical resection of cerebellar cryptococcoma may shorten the length of induction therapy with antifungal drugs...
January 15, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29352633/current-concerns-and-perspectives-on-zika-virus-co-infection-with-arboviruses-and-hiv
#5
REVIEW
Hussin A Rothan, Mehdi R M Bidokhti, Siddappa N Byrareddy
Dissemination of vector-borne viruses, such as Zika virus (ZIKV), in tropical and sub-tropical regions has a complicated impact on the immunopathogenesis of other endemic viruses such as dengue virus (DENV), chikungunya virus (CHIKV) and human immunodeficiency virus (HIV). The consequences of the possible co-infections with these viruses have specifically shown significant impact on the treatment and vaccination strategies. ZIKV is a mosquito-borne flavivirus from African and Asian lineages that causes neurological complications in infected humans...
January 16, 2018: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29352509/molecular-evidence-to-suggest-pigeon-type-chlamydia-psittaci-in-association-with-an-equine-foal-loss
#6
M Jelocnik, C Jenkins, B O'Rourke, J Barnwell, A Polkinghorne
Chlamydia psittaci is an important avian pathogen with spillover from infected wild and domesticated birds also posing a risk to human health. We recently reported a case of C. psittaci equine placentitis associated with further spillover to humans. Molecular typing of this case revealed it belonged to the 6BC clade of C. psittaci, a globally distributed highly virulent set of strains, typically linked to infection spillover from parrots. Equine chlamydiosis associated with C. psittaci infection has previously been reported elsewhere in countries where parrots are not endemic, however, raising questions over the identity of infecting C...
January 19, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29352292/rna-seq-of-kaposi-s-sarcoma-reveals-alterations-in-glucose-and-lipid-metabolism
#7
For Yue Tso, Andrew V Kossenkov, Salum J Lidenge, Owen Ngalamika, John R Ngowi, Julius Mwaiselage, Jayamanna Wickramasinghe, Eun Hee Kwon, John T West, Paul M Lieberman, Charles Wood
Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiologic agent of Kaposi's sarcoma (KS). It is endemic in a number of sub-Saharan African countries with infection rate of >50%. The high prevalence of HIV-1 coupled with late presentation of advanced cancer staging make KS the leading cancer in the region with poor prognosis and high mortality. Disease markers and cellular functions associated with KS tumorigenesis remain ill-defined. Several studies have attempted to investigate changes of the gene profile with in vitro infection of monoculture models, which are not likely to reflect the cellular complexity of the in vivo lesion environment...
January 19, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29351806/isolated-septic-arthritis-of-hip-joint-a-rare-presentation-of-melioidosis-a-case-report
#8
N P Weerasinghe, H M M Herath, T M U Liyanage
BACKGROUND: Despite, Sri Lanka lies in the melioidosis endemic belt between 5°N and 10°N surrounded by countries known to have endemic melioidosis for many years, comparatively fewer cases of melioidosis infection have been reported in Sri Lanka. Melioidosis has a wide spectrum of clinical presentation, ranging from severe pneumonia to abscess formation in various organs. Isolated septic arthritis, which is a rare but well-recognized manifestation of melioidosis, could be the sole presenting problem in some patients with melioidosis...
January 19, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29351800/drug-resistance-genes-pvcrt-o-and-pvmdr-1-polymorphism-in-patients-from-malaria-endemic-south-western-coastal-region-of-india
#9
Shiny Joy, Benudhar Mukhi, Susanta K Ghosh, Rajeshwara N Achur, D Channe Gowda, Namita Surolia
BACKGROUND: Malaria is highly prevalent in many parts of India and is mostly caused by the parasite species Plasmodium vivax followed by Plasmodium falciparum. Chloroquine (CQ) is the first-line treatment for blood stage P. vivax parasites, but cases of drug resistance to CQ have been reported from India. One of the surveillance strategies which is used to monitor CQ drug resistance, is the analysis of single nucleotide polymorphisms (SNPs) of the associated gene markers. Susceptibility to CQ can also be determined by copy number assessment of multidrug resistant gene (mdr-1)...
January 19, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29351795/malaria-knowledge-and-bed-net-use-in-three-transmission-settings-in-southern-africa
#10
Mufaro Kanyangarara, Harry Hamapumbu, Edmore Mamini, James Lupiya, Jennifer C Stevenson, Sungano Mharakurwa, Mike Chaponda, Philip E Thuma, Lovemore Gwanzura, Shungu Munyati, Modest Mulenga, Douglas E Norris, William J Moss
BACKGROUND: Insecticide-treated nets (ITNs) reduce malaria morbidity and mortality in endemic areas. Despite increasing availability, the use of ITNs remains limited in some settings. Poor malaria knowledge is a barrier to the widespread use of ITNs. The goal of this study was to assess the levels of malaria knowledge and evaluate factors associated with bed net use among individuals residing in three regions of southern Africa with different levels of malaria transmission and control...
January 19, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29351741/risk-factors-for-mycobacterium-ulcerans-infection-buruli-ulcer-in-togo-%C3%A2-a-case-control-study-in-zio-and-yoto-districts-of-the-maritime-region
#11
Issaka Maman, Tchadjobo Tchacondo, Abiba Banla Kere, Ebekalisai Piten, Marcus Beissner, Yiragnima Kobara, Komlan Kossi, Kossi Badziklou, Franz Xaver Wiedemann, Komi Amekuse, Gisela Bretzel, Damintoti Simplice Karou
BACKGROUND: Buruli ulcer (BU) is a neglected mycobacterial skin infection caused by Mycobacterium ulcerans. This disease mostly affects poor rural populations, especially in areas with low hygiene standards and sanitation coverage. The objective of this study was to identify these risk factors in the districts of Zio and Yoto of the Maritime Region in Togo. METHODS: We conducted a case-control study in Zio and Yoto, two districts proved BU endemic from November 2014 to May 2015...
January 19, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29351663/mini-review-can-non-human-leucocyte-antigen-genes-determine-susceptibility-to-severe-dengue-syndromes
#12
Dorothy Ng, Aparna Ghosh, Mark Jit, Suranjith L Seneviratne
Dengue viral infections are endemic or epidemic in virtually all tropical countries. Among individuals infected with the dengue virus, severe dengue syndromes (i.e., dengue haemorrhagic fever and dengue shock syndromes) tend to affect only some and this may be due to a combination of host genetic susceptibility and viral factors. In this review article we analyse and discuss the present knowledge of non-human leucocyte antigen host genetic susceptibility to severe dengue syndromes. The relevance of genetic polymorphisms in the pathways of antigen recognition, uptake, processing and presentation, activation of interferon α responses, mast cell and complement activation and T cell activation and dengue disease severity has been reviewed and analysed...
January 17, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29351594/sero-efficacy-of-vi-polysaccharide-tetanus-toxoid-typhoid-conjugate-vaccine-typbar-tcv
#13
Merryn Voysey, Andrew J Pollard
Background: Salmonella Typhi is the major cause of enteric fever in lower income countries. New conjugate vaccines show promise as public health interventions, however there are no efficacy data available from endemic areas. Methods: Data were obtained from a previously published phase 3 randomised controlled trial comparing Vi-polysaccharide tetanus-toxoid conjugate vaccine (Typbar-TCV; Bharat Biotech Intl Ltd, India): (Vi-TT) with Vi-polysaccharide (Typbar; Bharat Biotech Intl Ltd, India): (Vi-PS) in participants aged 2- 45 years...
January 17, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29351314/species-richness-of-eurasian-zephyrus-hairstreaks-lepidoptera-lycaenidae-theclini-with-implications-on-historical-biogeography-an-ndm-vndm-approach
#14
Hailing Zhuang, Masaya Yago, Josef Settele, Xiushan Li, Rei Ueshima, Nick V Grishin, Min Wang
AIM: A database based on distributional records of Eurasian Zephyrus hairstreaks (Lepidoptera: Lycaenidae: Theclini) was compiled to analyse their areas of endemism (AoEs), species richness and distribution patterns, to explore their locations of past glacial refugia and dispersal routes. METHODS: Over 2000 Zephyrus hairstreaks occurrences are analysed using the NDM/VNDM algorithm, for the recognition of AoEs. Species richness was calculated by using the option 'Number of different classes' to count the different classes of a variable presented in each 3...
2018: PloS One
https://www.readbyqxmd.com/read/29351277/ex-ante-assessment-of-different-vaccination-based-control-schedules-against-the-peste-des-petits-ruminants-virus-in-sub-saharan-africa
#15
Pachka Hammami, Renaud Lancelot, Joseph Domenech, Matthieu Lesnoff
BACKGROUND: Peste des petits ruminants (PPR) is a highly contagious and widespread viral infection of small ruminants (goats and sheep), causing heavy economic losses in many developing countries. Therefore, its progressive control and global eradication by 2030 was defined as a priority by international organizations addressing animal health. The control phase of the global strategy is based on mass vaccination of small ruminant populations in endemic regions or countries. It is estimated that a 70% post-vaccination immunity rate (PVIR) is needed in a given epidemiological unit to prevent PPR virus spread...
2018: PloS One
https://www.readbyqxmd.com/read/29351273/understanding-the-legal-trade-of-cattle-and-camels-and-the-derived-risk-of-rift-valley-fever-introduction-into-and-transmission-within-egypt
#16
Sebastian Napp, Veronique Chevalier, Núria Busquets, Paolo Calistri, Jordi Casal, Mohamed Attia, Rehab Elbassal, Heba Hosni, Hatem Farrag, Noura Hassan, Rasha Tawfik, Sohair Abd Elkader, Shahin Bayomy
Rift Valley Fever (RVF) is a mosquito-borne zoonosis, which may cause significant losses for the livestock sector and have serious public health implications. Egypt has been repeatedly affected by RVF epidemics, mainly associated to the importation of animals from sub-Saharan countries, where the disease is endemic. The objective of our study was the improvement of the surveillance and control strategies implemented in Egypt. In order to do that, first we evaluated the legal trade of live animals into and within Egypt...
January 19, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29351090/parasitic-infections-of-the-skin-and-subcutaneous-tissues
#17
Andrew P Norgan, Bobbi S Pritt
A variety of arthropods, protozoa, and helminths infect the skin and subcutaneous tissues and may be identified by anatomic pathologists in standard cytology and histology preparations. The specific organisms seen vary greatly with the patient's exposure history, including travel to or residence in endemic countries. Arthropods are the most commonly encountered parasites in the skin and subcutaneous tissues and include Sarcoptes scabei, Demodex species, Tunga penetrans, and myiasis-causing fly larvae. Protozoal parasites such as Leishmania may also be common in some settings...
January 18, 2018: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/29351059/nematode-thelazia-callipaeda-is-spreading-across-europe-the-first-survey-of-red-foxes-from-slovakia
#18
Viktória Čabanová, Martina Miterpáková, Martin Oravec, Zuzana Hurníková, Slavomír Jerg, Gabriela Nemčíková, Michaela Brincko Červenská
Canine thalaziosis caused by the spirurid nematode Thelazia callipaeda has started to spread across Western and Central Europe during the last decade. In Slovakia, the first autochthonous cases of this infection were recorded in 2016 in four dogs from the south-eastern part of the country. In August 2017 other autochthonous case, again from the same locality, was reported. Seeing that red foxes are considered the main reservoir hosts for T. callipaeda, their examination could provide an integrated view of the real parasite distribution...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29350608/acute-transverse-myelitis-following-scrub-typhus-a-case-report-and-review-of-the-literature
#19
Hyun-Seung Ryu, Bong Ju Moon, Jae-Young Park, Sang-Deok Kim, Seung-Kwon Seo, Jung-Kil Lee
Context Scrub typhus is an acute febrile disease caused by Orientia tsutsugamushi. The disease can usually involve the lungs, heart, liver, spleen and brain through hematogenous dissemination. However, very rarely, acute transverse myelitis in the spinal cord develops from scrub typhus. We present a case of acute transverse myelitis following scrub typhus with a review of the literature. Findings A 66-year-old male visited a hospital for general myalgia, mild headache, and fever in October. He was noted to have thick, black papule skin on his abdomen, which was highly suggestive of scrub typhus...
January 19, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29350372/endoscopic-diagnosis-and-treatment-of-biliary-obstruction-due-to-acute-cholangitis-and-acute-pancreatitis-secondary-to-fasciola-hepatica-infection
#20
Kemal Dolay, Mustafa Hasbahçeci, Engin Hatipoğlu, Fatma Ümit Malya, Adem Akçakaya
In the differential diagnosis of biliary obstruction with unknown etiology, biliary fascioliasis should be considered in endemic and nonendemic regions. After diagnostic evaluation, endoscopic retrograde cholangiopancreatography (ERCP) was performed for etiological evaluation and/or treatment of biliary obstruction in five patients with a mean age of 55.8 years. Endoscopic sphincterotomy and cholangiogram revealed linear filling defects in the biliary system. Fasciola hepatica parasites were extracted using balloon and basket catheters in two and three patients, respectively...
January 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
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