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https://www.readbyqxmd.com/read/28929009/meta-analysis-of-biomarkers-for-severe-dengue-infections
#1
Kuan-Meng Soo, Bahariah Khalid, Siew-Mooi Ching, Chau Ling Tham, Rusliza Basir, Hui-Yee Chee
BACKGROUND: Dengue viral infection is an acute infection that has the potential to have severe complications as its major sequela. Currently, there is no routine laboratory biomarker with which to predict the severity of dengue infection or monitor the effectiveness of standard management. Hence, this meta-analysis compared biomarker levels between dengue fever (DF) and severe dengue infections (SDI) to identify potential biomarkers for SDI. METHODS: Data concerning levels of cytokines, chemokines, and other potential biomarkers of DF, dengue hemorrhagic fever, dengue shock syndrome, and severe dengue were obtained for patients of all ages and populations using the Scopus, PubMed, and Ovid search engines...
2017: PeerJ
https://www.readbyqxmd.com/read/28928720/potential-risk-areas-of-aedes-albopictus-in-south-eastern-iran-a-vector-of-dengue-fever-zika-and-chikungunya
#2
Jalil Nejati, Rubén Bueno-Marí, Francisco Collantes, Ahmad A Hanafi-Bojd, Hassan Vatandoost, Zabihollah Charrahy, Seyed M Tabatabaei, Mohammad R Yaghoobi-Ershadi, Abdolghafar Hasanzehi, Mohammad R Shirzadi, Seyed H Moosa-Kazemi, Mohammad M Sedaghat
The possibility of the rapid and global spread of Zika, chikungunya, yellow fever, and dengue fever by Aedes albopictus is well documented and may be facilitated by changes in climate. To avert and manage health risks, climatic and topographic information can be used to model and forecast which areas may be most prone to the establishment of Ae. albopictus. We aimed to weigh and prioritize the predictive value of various meteorological and climatic variables on distributions of Ae. albopictus in south-eastern Iran using the Analytical Hierarchy Process...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28927437/community-participation-in-mosquito-breeding-site-control-an-interdisciplinary-mixed-methods-study-in-cura%C3%A3-ao
#3
Jelte Elsinga, Henry T van der Veen, Izzy Gerstenbluth, Johannes G M Burgerhof, Arie Dijkstra, Martin P Grobusch, Adriana Tami, Ajay Bailey
BACKGROUND: As the arboviral diseases dengue, chikungunya and Zika emerge in the Americas, so does the need for sustainable vector control policies. To successfully achieve mosquito control, joint efforts of both communities and governments are essential. This study investigates this important, but by-and-large neglected topic. METHODS: In June and July 2015, a cross-sectional mixed methods study applying a survey questionnaire (response rate of 82.5%; n = 339), in-depth interviews (n = 20) and focus group discussions (n = 7; 50 participants) was performed in Curaçao...
September 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28910810/concurrent-infection-with-plasmodium-vivax-and-the-dengue-and-chikungunya-viruses-in-a-paediatric-patient-from-new-delhi-india-in-2016
#4
Ayesha Tazeen, Mohd Abdullah, Malik Hisamuddin, Sher Ali, Irshad H Naqvi, Hirday N Verma, Anwar Ahmed, Shama Parveen
Dengue and chikungunya fevers are transmitted by the common mosquito vector Aedes and malaria by Anopheles. Concurrent infections are reported due to co-circulation of these pathogens, especially in endemic regions. We report a rare case of triple infection with 3 arthropod-borne pathogens (Plasmodium vivax and the dengue and chikungunya viruses) in a 3-year-old child from New Delhi, India, in August 2016. The viruses were identified by RT-PCR and the parasite by microscopy and antigen detection. The dengue virus serotype 3 sequence was clustered in the genotype III by the phylogenetic analysis...
September 15, 2017: Intervirology
https://www.readbyqxmd.com/read/28902845/clinical-and-epidemiologic-characteristics-of-dengue-and-other-etiologic-agents-among-patients-with-acute-febrile-illness-puerto-rico-2012-2015
#5
Kay M Tomashek, Olga D Lorenzi, Doris A Andújar-Pérez, Brenda C Torres-Velásquez, Elizabeth A Hunsperger, Jorge Luis Munoz-Jordan, Janice Perez-Padilla, Aidsa Rivera, Gladys E Gonzalez-Zeno, Tyler M Sharp, Renee L Galloway, Mindy Glass Elrod, Demetrius L Mathis, M Steven Oberste, W Allan Nix, Elizabeth Henderson, Jennifer McQuiston, Joseph Singleton, Cecilia Kato, Carlos García Gubern, William Santiago-Rivera, Jesús Cruz-Correa, Robert Muns-Sosa, Juan D Ortiz-Rivera, Gerson Jiménez, Ivonne E Galarza, Kalanthe Horiuchi, Harold S Margolis, Luisa I Alvarado
Identifying etiologies of acute febrile illnesses (AFI) is challenging due to non-specific presentation and limited availability of diagnostics. Prospective AFI studies provide a methodology to describe the syndrome by age and etiology, findings that can be used to develop case definitions and multiplexed diagnostics to optimize management. We conducted a 3-year prospective AFI study in Puerto Rico. Patients with fever ≤7 days were offered enrollment, and clinical data and specimens were collected at enrollment and upon discharge or follow-up...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28892964/dengue-haemorrhagic-encephalitis-rare-case-report-with-review-of-literature
#6
Aditya Singh Kutiyal, Chetanya Malik, Gitika Hyanki
Dengue is an endemic arboviral infection prevalent especially in tropical countries including Southern and Southeast Asia. Central Nervous System (CNS) involvement in dengue infection is uncommon. Haemorrhagic encephalitis is a rare presentation in dengue. This is a case of a 58-year-old male who presented with fever, petechial rash and altered sensorium. Dengue serology IgM was reactive and MRI brain was suggestive of haemorrhagic encephalitis. Patient was managed in Intensive Care Unit (ICU) but eventually succumbed to his illness...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28889137/perforated-gastric-ulcer-in-severe-dengue-infection-a-case-report
#7
C Y Ng, S L Lee, S L Foo
Abdominal pain is one of the common presentations in severe dengue infection. We report a rare case of perforated gastric ulcer in a young man diagnosed with severe dengue infection and the challenges we faced in managing this patient. Perforated gastric ulcer need to be considered if there are signs of peritonitis and persistent abdominal pain that does not conform to the natural history of dengue. Proper imaging and early surgical intervention in perforated gastric ulcer is vital in preventing further complication and reducing the risk of mortality...
August 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28887788/the-clinical-and-serological-profile-of-pediatric-dengue
#8
Sujatha Ramabhatta, Saravanan Palaniappan, Navya Hanumantharayappa, Shaik Vajidunnisa Begum
OBJECTIVE: To classify suspected dengue into dengue, dengue with warning signs and severe dengue, based on clinical features as per the revised WHO guidelines with special emphasis on serology. METHODS: It was a prospective cross-sectional study for five years from 2011-2016 in a tertiary care medical college hospital in Bangalore. All cases of fever of three to five days duration with symptoms like dengue were enrolled for the study. They were categorized into three groups as per the Revised WHO 2012 criteria...
September 8, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28860870/early-treatment-failure-in-concurrent-dengue-and-mixed-malaria-species-infection-with-suspected-resistance-to-artemisinin-combination-therapy-from-a-tertiary-care-center-in-delhi-a-case-report
#9
Rushika Saksena, Monika Matlani, Vineeta Singh, Amit Kumar, Anupam Anveshi, Dilip Kumar, Rajni Gaind
BACKGROUND: Concurrent dengue and mixed malaria infections in a single patient present with overlapping clinical manifestations which pose a diagnostic challenge and management dilemma in areas of common endemicities. METHODS: We report a case of a young male who tested positive for both Plasmodium vivax and Plasmodium falciparum along with dengue infection. He showed signs of early treatment failure to artemisinin combination therapy (artesunate with sulfadoxine+pyrimethamine)...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28856103/spontaneous-rectus-sheath-hematomas-in-dengue-hemorrhagic-fever-a-case-report
#10
Erni Juwita Nelwan, Frida Angelina, Randy Adiwinata, Sahat Matondang, Prasetyo Andriono
Muscle hematomas are rare complications in dengue hemorrhagic fever (DHF). We report a case of 58-year-old-female admitted with dengue fever who developed spontaneous rectus sheath hematoma complicating DHF. She presented with progressive thrombocytopenia with platelet count reaching 13000/μL at its lowest point. There was evidence of plasma leakage and persistent cough during the course of illness. During the recovery phase, she reported severe abdominal pain and developed hematoma in the right rectus sheath, which was confirmed by abdominal computed-tomography scan and serial magnetic resonance imaging...
2017: IDCases
https://www.readbyqxmd.com/read/28854116/first-data-on-resistance-to-pyrethroids-in-wild-populations-of-aedes-albopictus-from-spain
#11
Mikel Bengoa, Roger Eritja, Sarah Delacour, Miguel Ángel Miranda, Antonio Sureda, Javier Lucientes
The invasive mosquito, Aedes albopictus, found in Spain since 2004, is a competent vector of yellow fever, Zika, dengue, and chikungunya viruses among other diseases. Although controversial, the use of adulticiding is a relevant tool for vector control and could be crucial for the management of any possible outbreak of imported diseases. We present the 1st study in Spain on the susceptibility of field populations from Barcelona, Peñíscola, Castellón, and Mallorca of Ae. albopictus to several pyrethroids using either bioassays under the World Health Organization methodology and biochemical tests...
September 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28854111/adulticidal-susceptibility-evaluation-of-aedes-albopictus-using-new-diagnostic-doses-in-penang-island-malaysia
#12
Junaid Rahim, Abu H Ahmad, Hamdan Ahmad, Intan H Ishak, Adanan Che Rus, Hamisu A Maimusa
Insecticide-based vector control approaches are facing challenges due to the development of resistance in vector mosquitoes. Therefore, a proper resistance surveillance program using baseline lethal concentrations is crucial for resistance management strategies. Currently, the World Health Organization's (WHO) diagnostic doses established for Aedes aegypti and Anopheles species are being used to study the resistance status of Aedes albopictus. In this study, we established the diagnostic doses for permethrin, deltamethrin, and malathion using a known susceptible reference strain...
September 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28852982/toxicological-effects-of-chemical-constituents-from-piper-against-the-environmental-burden-aedes-aegypti-liston-and-their-impact-on-non-target-toxicity-evaluation-against-biomonitoring-aquatic-insects
#13
Prabhakaran Vasantha-Srinivasan, Annamalai Thanigaivel, Edward-Sam Edwin, Athirstam Ponsankar, Sengottayan Senthil-Nathan, Selvaraj Selin-Rani, Kandaswamy Kalaivani, Wayne B Hunter, Veeramuthu Duraipandiyan, Naif Abdullah Al-Dhabi
Dengue is the most rapidly spreading mosquito-borne viral disease in the world. The mosquito, Aedes aegypti, also spreads Yellow fever, Chikungunya, and Zika virus. As the primary vector for dengue, Ae. aegypti now occurs in over 20 countries and is a serious concern with reports of increasing insecticide resistance. Developing new treatments to manage mosquitoes are needed. Formulation of crude volatile oil from Piper betle leaves (Pb-CVO) was evaluated as a potential treatment which showed larvicidal, ovipositional, and repellency effects...
August 29, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28851293/precis%C3%A3-o-e-confiabilidade-de-um-teste-imuno-cromatogr%C3%A3-fico-r%C3%A3-pido-ns1-para-diagn%C3%A3-stico-denv-1-no-ponto-de-atendimento-e-no-laborat%C3%A3-rio
#14
Verónica Elizabeth Mata, Sonia Regina Lambert Passos, Yara Hahr Marques Hökerberg, Guilherme Miguéis Berardinelli, Maria Angelica Borges Dos Santos, Levy Vilas Boas Fukuoka, Anna Carolina Fontoura Seixas Rangel Maciel, Cintia Damasceno Dos Santos Rodrigues, Aline da Silva Santos, Raquel de Vasconcellos Carvalhaes de Oliveira
BACKGROUND: Rapid immunochromatographic tests (ICT) for dengue non-structural protein 1 (NS1) have shown good performance for diagnosing acute-phase dengue in serum in laboratory settings, but rarely have been assessed in whole blood and at point of care (POC). This study compare the accuracy and inter- and intra-observer reliability of the NS1 Bioeasy™ ICT in whole blood at POC versus serum in the laboratory, during a DENV-1 epidemic. METHODS: Cross-sectional study involving 144 adults spontaneously demanding care in an emergency department within 4 days of onset of acute febrile illness...
August 29, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28846682/the-elimination-of-the-dengue-vector-aedes-aegypti-from-brisbane-australia-the-role-of-surveillance-larval-habitat-removal-and-policy
#15
Brendan J Trewin, Jonathan M Darbro, Cassie C Jansen, Nancy A Schellhorn, Myron P Zalucki, Tim P Hurst, Gregor J Devine
Aedes aegypti (L.) (Diptera: Culicidae) is a highly invasive mosquito whose global distribution has fluctuated dramatically over the last 100 years. In Australia the distribution of Ae. aegypti once spanned the eastern seaboard, for 3,000 km north to south. However, during the 1900s this distribution markedly reduced and the mosquito disappeared from its southern range. Numerous hypotheses have been proffered for this retraction, however quantitative evidence of the mechanisms driving the disappearance are lacking...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28831747/prospective-evaluation-of-the-sd-bioline-dengue-duo-rapid-test-during-a-dengue-virus-epidemic
#16
C Simonnet, A Okandze, S Matheus, F Djossou, M Nacher, A Mahamat
Dengue virus is endemic in French Guiana with occurrence of cyclical outbreaks. There is a need for rapid tests allowing dengue laboratory diagnosis in healthcare centers scattered throughout this wide Amazonian territory. Our objective was to evaluate the real-life performance of the SD BIOLINE Dengue Duo (IgG/IgM + NS1 Ag) rapid test (RDT) during the 2012-2013 dengue epidemics. The RDT was evaluated in parallel with routine laboratory tests, PlateliaTM Dengue NS1 Ag and Focus Diagnostics Dengue Fever Virus IgM Capture DxSelect...
August 22, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28814934/direct-medical-costs-of-dengue-fever-in-vietnam-a-retrospective-study-in-a-tertiary-hospital
#17
Nhung Thi Tuyet Vo, Trang Ngo Diem Phan, Trung Quang Vo
BACKGROUND: In Vietnam, dengue fever is a major health concern, yet comprehensive information on its economic costs is lacking. The present study investigated treatment costs associated with dengue fever from the perspective of health care provision. METHODS: This retrospective study was conducted between January 2013 and December 2015 in Cu Chi General Hospital. The following dengue-related treatment costs were calculated: hospitalisation, diagnosis, specialised services, drug usage and medical supplies...
May 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28808809/evidence-of-dengue-virus-replication-in-a-non-traumatic-spleen-rupture-case
#18
Luiz José de Souza, João de Azevedo, Liza Ingride Acha Kohler, Lorena de Freitas Barros, Mariana Arêdes Lima, Emiliana Mandarano Silva, Ronaldo Mohana-Borges, Priscila Conrado Guerra Nunes, Marciano Viana Paes
The present report describes a case of splenic rupture due to dengue, a rare complication of dengue that should be considered in any patient with suspected dengue disease who started with left upper quadrant abdominal pain and hypotension. The pathophysiology of this entity is not yet well elucidated, but one of the theories present in the literature is that it is due to a depletion of coagulation factors and platelets leading to intra-splenic hemorrhage and rupture. The RT-PCR technique detected serotype 1 and histopathological studies of the spleen revealed significant atrophy of lymphoid follicles and extensive hemorrhage areas...
August 14, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28806786/an-economic-evaluation-of-vector-control-in-the-age-of-a-dengue-vaccine
#19
Christopher Fitzpatrick, Alexander Haines, Mathieu Bangert, Andrew Farlow, Janet Hemingway, Raman Velayudhan
INTRODUCTION: Dengue is a rapidly emerging vector-borne Neglected Tropical Disease, with a 30-fold increase in the number of cases reported since 1960. The economic cost of the illness is measured in the billions of dollars annually. Environmental change and unplanned urbanization are conspiring to raise the health and economic cost even further beyond the reach of health systems and households. The health-sector response has depended in large part on control of the Aedes aegypti and Ae...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28761238/dengue-fever-induced-thrombotic-microangiopathy-an-unusual-cause-of-renal-failure
#20
V Bhargava, P Gupta, R Kauntia, G Bajpai
Dengue fever is a tropical infection, which is mosquito-borne disease, caused by dengue virus and spread by Aedes mosquitoes. The incidence of dengue fever has risen rapidly over the past few years. About half of dengue infections are asymptomatic, and a great majority present with fever and body ache. However, the occurrence of complications is well known, including acute kidney injury (AKI). AKI in dengue is usually attributable to a pre-renal cause. Thrombotic microangiopathy is an extremely rare complication of dengue fever, with only a few published case reports in medical literature...
July 2017: Indian Journal of Nephrology
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