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https://www.readbyqxmd.com/read/28217383/management-dilemmas-in-a-rare-case-of-pituitary-apoplexy-in-the-setting-of-dengue-hemorrhagic-fever
#1
S J Balaparameswara Rao, Amey R Savardekar, B N Nandeesh, A Arivazhagan
BACKGROUND: Pituitary apoplexy occurs due to infarction or hemorrhage, within a pituitary adenoma or a nontumorous pituitary gland and can have catastrophic consequences. Dengue hemorrhagic fever (DHF) is a severe manifestation of the spectrum of dengue virus infection and is characterized by high-grade fever, thrombocytopenia, hemorrhagic tendencies, and increased vascular permeability. Cases of incidentalomas complicated by DHF and presenting with apoplexy are extremely rare. CASE DESCRIPTION: We describe the case of a 45-year-old gentleman who suffered an attack of pituitary apoplexy while being treated for DHF...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28199323/a-large-scale-biorational-approach-using-bacillus-thuringiensis-israeliensis-strain-am65-52-for-managing-aedes-aegypti-populations-to-prevent-dengue-chikungunya-and-zika-transmission
#2
Catherine A Pruszynski, Lawrence J Hribar, Robert Mickle, Andrea L Leal
BACKGROUND: Aedes aegypti is a container-inhabiting mosquito and a vector of dengue, chikungunya, and Zika viruses. In 2009 several cases of autochthonous dengue transmission were reported in Key West, Florida, USA prompting a comprehensive response to control A. aegypti. In Key West, larvae of this mosquito develop in containers around human habitations which can be numerous and labor intensive to find and treat. Aerial applications of larvicide covering large areas in a short time can be an efficient and economical method to control A...
2017: PloS One
https://www.readbyqxmd.com/read/28192520/holding-back-the-tiger-successful-control-program-protects-australia-from-aedes-albopictus-expansion
#3
Mutizwa Odwell Muzari, Gregor Devine, Joseph Davis, Bruce Crunkhorn, Andrew van den Hurk, Peter Whelan, Richard Russell, James Walker, Peter Horne, Gerhard Ehlers, Scott Ritchie
BACKGROUND: The Asian tiger mosquito, Aedes albopictus, is an important vector of dengue, chikungunya and Zika viruses and is a highly invasive and aggressive biter. Established populations of this species were first recognised in Australia in 2005 when they were discovered on islands in the Torres Strait, between mainland Australia and Papua New Guinea. A control program was implemented with the original goal of eliminating Ae. albopictus from the Torres Strait. We describe the evolution of management strategies that provide a template for Ae...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28187780/levels-of-insecticide-resistance-to-deltamethrin-malathion-and-temephos-and-associated-mechanisms-in-aedes-aegypti-mosquitoes-from-the-guadeloupe-and-saint-martin-islands-french-west-indies
#4
Daniella Goindin, Christelle Delannay, Andric Gelasse, Cédric Ramdini, Thierry Gaude, Frédéric Faucon, Jean-Philippe David, Joël Gustave, Anubis Vega-Rua, Florence Fouque
BACKGROUND: In the Guadeloupe and Saint Martin islands, Aedes aegypti mosquitoes are the only recognized vectors of dengue, chikungunya, and Zika viruses. For around 40 years, malathion was used as a mosquito adulticide and temephos as a larvicide. Since the European Union banned the use of these two insecticide molecules in the first decade of the 21st century, deltamethrin and Bacillus thuringiensis var. israelensis are the remaining adulticide and larvicide, respectively, used in Guadeloupe...
February 10, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28187147/widespread-fear-of-dengue-transmission-but-poor-practices-of-dengue-prevention-a-study-in-the-slums-of-delhi-india
#5
Éric Daudé, Sumit Mazumdar, Vandana Solanki
BACKGROUND: This study has been conducted to throw light on the knowledge and practices related to dengue fever among the poor population living in Delhi's slums. MATERIALS: A household survey was conducted in 2013 among 3,350 households. The households were stratified by a number of variables related to socio-economic status and health events such as hospitalisation. The data collection was completed through face-to-face interviews conducted with the help of 25 field investigators...
2017: PloS One
https://www.readbyqxmd.com/read/28148289/a-rare-case-of-dengue-encephalopathy-complicating-a-term-pregnancy
#6
Lavanya Rajagopala, Ravindra L Satharasinghe, Madhava Karunarathna
BACKGROUND: Dengue fever has an expanded clinical spectrum ranging from an asymptomatic infection to life threatening dengue hemorrhagic fever and refractory shock. Dengue infection in pregnancy can be a diagnostic dilemma, particularly considering the physiological changes in pregnancy and the obstetric complications encountered in clinical practice. Hence the knowledge of its diagnosis and management in its atypical presentations is of paramount importance. Here we report an unusual case of uncomplicated dengue encephalopathy in a term mother, probably the first to be reported from the Indian subcontinent...
February 2, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28138048/clinician-survey-to-determine-knowledge-of-dengue-and-clinical-management-practices-texas-2014
#7
Jessica K Adam, Roman Abeyta, Brian Smith, Linda Gaul, Dana L Thomas, George Han, Tyler M Sharp, Stephen H Waterman, Kay M Tomashek
Dengue, a mosquito-borne viral disease, is increasingly being identified as a cause of outbreaks in the United States. During July-December 2013, a total of three south Texas counties reported 53 laboratory-confirmed dengue cases; 26 were locally acquired, constituting the largest outbreak in Texas since 2005. Because dengue outbreaks are expected to continue in south Texas and early case identification and timely treatment can reduce mortality, we sought to determine clinicians' knowledge of dengue and its clinical management...
January 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28114328/pyrethroid-resistance-in-malaysian-populations-of-dengue-vector-aedes-aegypti-is-mediated-by-cyp9-family-of-cytochrome-p450-genes
#8
Intan H Ishak, Basile Kamgang, Sulaiman S Ibrahim, Jacob M Riveron, Helen Irving, Charles S Wondji
BACKGROUND: Dengue control and prevention rely heavily on insecticide-based interventions. However, insecticide resistance in the dengue vector Aedes aegypti, threatens the continued effectiveness of these tools. The molecular basis of the resistance remains uncharacterised in many endemic countries including Malaysia, preventing the design of evidence-based resistance management. Here, we investigated the underlying molecular basis of multiple insecticide resistance in Ae. aegypti populations across Malaysia detecting the major genes driving the metabolic resistance...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28107859/dengue-fever-may-mislead-the-surgeons-when-it-presents-as-an-acute-abdomen
#9
Bingumal Jayasundara, Lalith Perera, Ajith de Silva
OBJECTIVE: To review the management experience of a consecutive series of patients presenting as acute surgical abdomen whom were ultimately diagnosed to have DF (Dengue fever)/DHF (Dengue hemorrhagic fever). METHODS: Clinical data of all cases of apparent acute abdomen (AA) which were later confirmed as having DF/DHF reviewed by two surgical units from December 2012 to December 2013 were analyzed. Initially confirmed patients with DF/DHF who developed abdominal symptoms were not considered...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28104185/causes-and-outcomes-of-sepsis-in-southeast-asia-a-multinational-multicentre-cross-sectional-study
#10
(no author information available yet)
BACKGROUND: Improved understanding of pathogens that cause sepsis would aid management and antimicrobial selection. In this study, we aimed to identify the causative pathogens of sepsis in southeast Asia. METHODS: In this multinational multicentre cross-sectional study of community-acquired sepsis and severe sepsis, we prospectively recruited children (age ≥30 days and <18 years) and adults (age ≥18 years) at 13 public hospitals in Indonesia (n=3), Thailand (n=4), and Vietnam (n=6)...
February 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28103955/mosquitoes-diptera-culicidae-in-mauritania-a-review-of-their-biodiversity-distribution-and-medical-importance
#11
REVIEW
Aichetou Mint Mohamed Lemine, Mohamed Aly Ould Lemrabott, Moina Hasni Ebou, Khadijetou Mint Lekweiry, Mohamed Salem Ould Ahmedou Salem, Khyarhoum Ould Brahim, Mohamed Ouldabdallahi Moukah, Issa Nabiyoullahi Ould Bouraya, Cecile Brengues, Jean-François Trape, Leonardo Basco, Hervé Bogreau, Frédéric Simard, Ousmane Faye, Ali Ould Mohamed Salem Boukhary
Although mosquitoes (Diptera: Culicidae) are important disease vectors, information on their biodiversity in Mauritania is scarce and very dispersed in the literature. Data from the scientific literature gathered in the country from 1948 to 2016 were collected and analyzed. Overall 51 culicid species comprising 17 Anopheles spp., 14 Aedes spp., 18 Culex spp. and two Mansonia spp. have been described in Mauritania among which Anopheles arabiensis, Aedes vexans, Culex poicilipes and Culex antennatus are of epidemiological significance...
January 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28069071/sporadic-cases-of-adult-measles-a-research-article
#12
Ranjan Premaratna, Nathasha Luke, Harsha Perera, Mahesh Gunathilake, Pubudu Amarasena, T G A Nilmini Chandrasena
BACKGROUND: Measles caused by a paramyxovirus, characterized by fever, malaise, cough, coryza conjunctivitis, a maculopapular rash is known to result in pneumonia, encephalitis and death. Fatal cases of measles in Sri Lanka are rare after implementation of the National Immunization Programme in 1984. Thereafter 0.1% case fatality rate was observed during October 1999-June 2000 which is a very low figure compared to other regional countries. Immunization guidelines were further revised in 2001, 2011 and in 2012 when additional immunization was recommended to age group 4-21 years; who are likely to have inadequate immunization, in order to achieve elimination of Measles by 2020...
January 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28062794/larvicidal-and-growth-inhibitory-activity-of-entomopathogenic-bacteria-culture-fluids-against-aedes-aegypti-diptera-culicidae
#13
João Luiz Rosa da Silva, Fernanda Undurraga Schwalm, Carlos Eugênio Silva, Marisa da Costa, Ralf Heermann, Onilda Santos da Silva
Dengue, Chikungunya, and Zika are important vector-borne diseases, and Aedes aegypti L. is their main transmitter. As the disease management is mainly based on mosquito control strategies, the search for alternative and cost-effective approaches is ongoing. The Gram-negative bacteria Xenorhabdus nematophila and Photorhabdus luminescens are symbiotically associated with entomopathogenic nematodes and are highly pathogenic for insect larvae. After we have recently confirmed the toxicity of these bacteria in Ae...
January 6, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28061906/bilateral-rectus-sheath-haematoma-complicating-dengue-virus-infection-in-a-patient-on-warfarin-for-mechanical-aortic-valve-replacement-a-case-report
#14
Chamith Thushanga Rosa, Mitrakrishnan Rayno Navinan, Sincy Samarawickrama, Himam Hamza, Maheshika Gunarathne, Arulprashanth Arulanantham, Neeha Subba, Udari Samarasiri, Thushara Mathias, Aruna Kulatunga
BACKGROUND: The management of Dengue virus infection can be challenging. Varied presentations and numerous complications intrinsic to dengue by itself increase the complexity of treatment and potential mortality. When burdened with the presence of additional comorbidities and the need to continue compulsory medications, clear stepwise definitive guidance is lacking and patients tend to have more complex complications and outcomes calling to question the clinical decisions that may have been taken...
January 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28049485/the-dangers-of-accepting-a-single-diagnosis-case-report-of-concurrent-plasmodium-knowlesi-malaria-and-dengue-infection
#15
Soon Eu Chong, Rhendra Hardy Mohamad Zaini, Siti Suraiya, Kok Tong Lee, Jo Anne Lim
BACKGROUND: Dengue and malaria are two common, mosquito-borne infections, which may lead to mortality if not managed properly. Concurrent infections of dengue and malaria are rare due to the different habitats of its vectors and activities of different carrier mosquitoes. The first case reported was in 2005. Since then, several concurrent infections have been reported between the dengue virus (DENV) and the malaria protozoans, Plasmodium falciparum and Plasmodium vivax. Symptoms of each infection may be masked by a simultaneous second infection, resulting in late treatment and severe complications...
January 3, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28045096/diabetes-cardiac-disorders-and-asthma-as-risk-factors-for-severe-organ-involvement-among-adult-dengue-patients-a-matched-case-control-study
#16
Junxiong Pang, Jung Pu Hsu, Tsin Wen Yeo, Yee Sin Leo, David C Lye
Progression to severe organ involvement due to dengue infection has been associated with severe dengue disease, intensive care treatment, and mortality. However, there is a lack of understanding of the impact of pre-existing comorbidities and other risk factors of severe organ involvement among dengue adults. The aim of this retrospective case-control study is to characterize and identify risk factors that predispose dengue adults at risk of progression with severe organ involvement. This study involved 174 dengue patients who had progressed with severe organ involvement and 865 dengue patients without severe organ involvement, matched by the year of presentation of the cases, who were admitted to Tan Tock Seng Hospital between year 2005 and 2008...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28042883/utility-of-dengue-ns1-antigen-rapid-diagnostic-test-for-use-in-difficult-to-reach-areas-and-its-comparison-with-dengue-ns1-elisa-and-qrt-pcr
#17
Mohan K Shukla, Neeru Singh, Ravendra K Sharma, Pradip V Barde
The objective of this study was to demonstrate the utility of dengue virus (DENV) non structural protein 1 (NS1) based rapid diagnostic test (RDT) for use in tribal and difficult to reach areas for early dengue (DEN) diagnosis in acute phase patients and evaluate its sensitivity and specificity against DENV NS1 enzyme linked immune sorbent assay (ELISA) and real time reverse transcriptase polymerase chain reaction (qRT-PCR) The DENV NS1 RDT was used for preliminary diagnosis during outbreaks in difficult to reach rural and tribal areas...
January 2, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28040554/proteinuria-during-dengue-fever-in-children
#18
Anne-Claire Andries, Veasna Duong, Julien Cappelle, Sivuth Ong, Alexandra Kerleguer, Sowath Ly, Arnaud Tarantola, Paul F Horwood, Anavaj Sakuntabhai, Philippe Dussart, Philippe Buchy
OBJECTIVES: This study aimed to investigate proteinuria occurring during dengue disease in children and assess if measurement of this parameter can help physicians in the clinical management of patients. METHODS: Proteinuria was assessed by dipstick and quantified by urine protein:creatinine ratio (UPCR) in samples from patients hospitalized with a confirmed dengue infection and in healthy controls. RESULTS: The dipstick tested positive in 42...
December 28, 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28034883/an-evidence-based-algorithm-for-early-prognosis-of-severe-dengue-in-the-outpatient-setting
#19
Minh Tuan Nguyen, Thi Nhan Ho, Van Vinh Chau Nguyen, Thanh Hung Nguyen, Manh Tuan Ha, Van Tram Ta, Le Da Ha Nguyen, Loi Phan, Khoi Quang Han, Thi Hue Kien Duong, Nguyen Bich Chau Tran, Wills Bridget, Marcel Wolbers, Cameron P Simmons
BACKGROUND: Early prediction of severe dengue could significantly assist patient triage and case management METHODS: We prospectively investigated 7563 children with ≤3 days of fever recruited in the outpatient departments of six hospitals in southern Vietnam between 2010 and 2013. The primary endpoint of interest was severe dengue (2009 WHO Guidelines) and pre-defined risk variables were collected at the time of enrolment to enable prognostic model development. RESULTS: The analysis population comprised 7544 patients, of whom 2060 (27...
December 28, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28034555/impact-of-dengue-virus-serotype-denv-2-infection-on-liver-of-balb-c-mice-a-histopathological-analysis
#20
S Sakinah, Sivan Padma Priya, Sharmilah Kumari, Fatin Amira, Poorani K, Hiba Alsaeedy, Mok Pooi Ling, Hui-Yee Chee, Akon Higuchi, Abdullah A Alarfaj, Murugan A Munusamy, Kadarkarai Murugan, Che Norma Mat Taib, Palanisamy Arulselvan, Mariappan Rajan, Vasantha Kumari Neela, Rukman Awang Hamat, Giovanni Benelli, S Suresh Kumar
In this research, we characterized the histopathological impact of dengue virus (serotype DENV-2) infection in livers of BALB/c mice. The mice were infected with different doses of DENV-2 via intraperitoneal injection and liver tissues were processed for histological analyses and variation was documented. In the BALB/c mouse model, typical liver tissues showed regular hepatocyte architecture, with normal endothelial cells surrounding sinusoid capillary. Based on histopathological observations, the liver sections of BALB/c mice infected by DENV-2 exhibited a loss of cell integrity, with a widening of the sinusoidal spaces...
November 23, 2016: Tissue & Cell
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