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dengue thrombocytopenia

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https://www.readbyqxmd.com/read/28427358/cortical-laminar-necrosis-in-dengue-encephalitis-a-case-report
#1
Ravindra Kumar Garg, Imran Rizvi, Rajan Ingole, Amita Jain, Hardeep Singh Malhotra, Neeraj Kumar, Dhruv Batra
BACKGROUND: Dengue encephalitis is a rare neurological manifestation of dengue fever. Its clinical presentation is similar to other viral encephalitides and encephalopathy. No single specific finding on magnetic resonance imaging of dengue encephalitis has yet been documented. They are highly variable and atypical. CASE PRESENTATION: A 15-year boy presented with fever, the headache and altered sensorium of 12-day duration. On neurological examination, his Glasgow Coma Scale score was 10 (E3M4V3)...
April 20, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28403751/management-of-dengue-in-australian-travellers-a-retrospective-multicentre-analysis
#2
MULTICENTER STUDY
Alex Yc Tai, Sarah L McGuinness, Roselle Robosa, David Turner, G Khai Lin Huang, Karin Leder, Tony M Korman, Irani Thevarajan, Andrew J Stewardson, Alexander A Padiglione, Douglas F Johnson
OBJECTIVES: To describe the epidemiology, clinical and laboratory features and outcomes of dengue in returned Australian travellers, applying the revised WHO dengue classification (2009) to this population. DESIGN, SETTING AND PARTICIPANTS: Retrospective case series analysis of confirmed dengue cases hospitalised at one of four Australian tertiary hospitals, January 2012 - May 2015. MAIN OUTCOME MEASURES: Clinical features, laboratory findings and outcomes of patients with dengue; dengue classification according to 2009 WHO guidelines...
April 17, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28386493/dengue-and-scrub-typhus-coinfection-in-a-patient-presenting-with-febrile-illness
#3
Surendra Sapkota, Sudeep Bhandari, Subash Sapkota, Rabin Hamal
Dengue fever and scrub typhus are common causes of acute febrile illness of unclear origin in Asia. Though coinfections of many vector-borne diseases have been described, articles on dengue and scrub typhus coinfection are distinctly limited. In case of coinfection with dengue and scrub typhus, vigilant monitoring of vitals, platelets transfusion, and timely treatment with doxycycline are necessary. High degree of suspicion has to be made for coinfection in a patient presenting with febrile illness with thrombocytopenia and deranged laboratory parameters in postmonsoon season in endemic regions in Asia...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28367875/laboratory-and-molecular-characterization-of-dengue-virus-during-the-2014-outbreak-in-guangfo-region-southern-china
#4
Zhao-Fan Luo, Bo Hu, Feng-Yi Zhang, Xiang-Hua Lin, Xiao-Ying Xie, Kun-Yi Pan, Hong-Yu Li, Rui-Wen Ren, Wen-Zhong Zhao
Non-specific symptoms and low viremia levels make early diagnosis of dengue virus (DENV) infection challenging. This study aimed to 1) identify laboratory markers which can predict a positive laboratory diagnosis, and 2) perform a molecular characterization of DENV from the 2014 Guangdong epidemic. This retrospective study enrolled 1044 patients from the Guangdong epidemic who had clinically suspected dengue. Viral RNA was detected by real-time RT-PCR and viral-specific NS1 antigen was detected using ELISA...
March 28, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28287000/risk-factors-and-clinical-outcome-of-profound-thrombocytopenia-in-adult-patients-with-denv-infections
#5
Amreeta Dhanoa, Ganeswrie Rajasekaram, Sharifah Syed Hassan, Amutha Ramadas, Nur Amelia Azreen Adnan, Chun Fatt Lau, Teik Seng Chan, Chin Fang Ngim
Severe thrombocytopenia is common in dengue virus (DENV) infections. However, studies focusing on the role of profound thrombocytopenia (PT) (nadir platelet counts ≤ 20 000/mm(3)) in DENV infections are scarce. This study aims to identify the associated features and outcome of DENV patients with PT. It involves 237 adult hospitalized patients who were DENV PCR positive. The presence of comorbidity (AOR = 4.625; 95% CI = 1.113-19.230), higher admission hematocrit (AOR = 1.213; 95% CI = 1.067-1.379), lower admission albumin (AOR = 0...
March 13, 2017: Platelets
https://www.readbyqxmd.com/read/28283286/prophylactic-platelet-transfusion-plus-supportive-care-versus-supportive-care-alone-in-adults-with-dengue-and-thrombocytopenia-a-multicentre-open-label-randomised-superiority-trial
#6
David C Lye, Sophia Archuleta, Sharifah F Syed-Omar, Jenny G Low, Helen M Oh, Yuan Wei, Dale Fisher, Sasheela S L Ponnampalavanar, Limin Wijaya, Linda K Lee, Eng-Eong Ooi, Adeeba Kamarulzaman, Lucy C Lum, Paul A Tambyah, Yee-Sin Leo
BACKGROUND: Dengue is the commonest vector-borne infection worldwide. It is often associated with thrombocytopenia, and prophylactic platelet transfusion is widely used despite the dearth of robust evidence. We aimed to assess the efficacy and safety of prophylactic platelet transfusion in the prevention of bleeding in adults with dengue and thrombocytopenia. METHODS: We did an open-label, randomised, superiority trial in five hospitals in Singapore and Malaysia...
March 7, 2017: Lancet
https://www.readbyqxmd.com/read/28273991/acute-renal-failure-in-dengue-infection
#7
Girish Pamappa Vakrani, Nambakam Tanuja Subramanyam
INTRODUCTION: Acute Renal Failure (RF) is a rare but well recognized complication of Dengue Infection (DI). There has been paucity of published data regarding renal involvement in DI. AIM: The aim of the present study was to elucidate different clinical presentations, disease outcomes of DI. To study the frequency, severity and predictors of RF in DI. MATERIALS AND METHODS: Patients diagnosed either as Dengue Fever (DF) or Dengue Haemorrhagic Fever/Dengue Shock Syndrome (DHF/DSS) respectively were enrolled for this study...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28250602/safety-and-efficacy-of-a-single-dose-of-anti-d-winrho-%C3%A2-in-severe-thrombocytopenia-secondary-to-dengue-virus-infection
#8
Ashok Kumar Pannu, Ashish Bhalla, Mayank Singhal, Vikas Suri, Nusrat Shafiq, Subhash Varma
OBJECTIVE: To evaluate the efficacy of a single intravenous (IV) dose of anti-D in severe thrombocytopenia (<20,000) due to dengue virus (DEV) infection. MATERIALS AND METHODS: An open label, investigator-initiated, randomized interventional study was conducted that included thirty dengue patients (all positive for IgM enzyme-linked immunosorbent assay) with severe thrombocytopenia (<20,000/mm(3)). Patients were randomized to receive anti-D (50 μg/kg single IV dose) plus supportive therapy or supportive therapy alone...
February 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28219910/severe-plasmodium-knowlesi-with-dengue-coinfection
#9
Mohd Jazman Che Rahim, Nurashikin Mohammad, Alwi Muhd Besari, Wan Syamimee Wan Ghazali
We report a case of severe Plasmodium knowlesi and dengue coinfection in a previously healthy 59-year-old Malay man who presented with worsening shortness of breath, high-grade fever with chills and rigors, dry cough, myalgia, arthralgia, chest discomfort and poor appetite of 1 week duration. There was a history mosquito fogging around his neighbourhood in his hometown. Further history revealed that he went to a forest in Jeli (northern part of Kelantan) 3 weeks prior to the event. Initially he was treated as severe dengue with plasma leakage complicated with type 1 respiratory failure as evidenced by positive serum NS1-antigen and thrombocytopenia...
February 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28217625/nonhemorrhagic-complications-in-dengue-fever-with-thrombocytopenia
#10
Anirban Mandal, Puneet Kaur Sahi
No abstract text is available yet for this article.
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28217383/management-dilemmas-in-a-rare-case-of-pituitary-apoplexy-in-the-setting-of-dengue-hemorrhagic-fever
#11
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/28188818/jnk1-2-inhibitor-reduces-dengue-virus-induced-liver-injury
#12
Gopinathan Pillai Sreekanth, Aporn Chuncharunee, Boonyarit Cheunsuchon, Sansanee Noisakran, Pa-Thai Yenchitsomanus, Thawornchai Limjindaporn
High viral load with liver injury is exhibited in severe dengue virus (DENV) infection. Mitogen activated protein kinases (MAPKs) including ERK1/2 and p38 MAPK were previously found to be involved in the animal models of DENV-induced liver injury. However, the role of JNK1/2 signaling in DENV-induced liver injury has never been investigated. JNK1/2 inhibitor, SP600125, was used to investigate the role of JNK1/2 signaling in the BALB/c mouse model of DENV-induced liver injury. SP600125-treated DENV-infected mice ameliorated leucopenia, thrombocytopenia, hemoconcentration, liver transaminases and liver histopathology...
February 7, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28166687/hepatitis-and-thrombocytopenia-markers-of-dengue-mortality
#13
Smitha Krishnamoorthy, Arun N Bhatt, Celine Thalappillil Mathew, Abraham M Ittyachen
Dengue fever is of great concern to public health in India as it contributes significantly to the burden of healthcare. The aim of our study was to measure mortality in dengue and its association with hepatitis and thrombocytopenia. Our study was performed in a tertiary care setting in the state of Kerala in southern India. Adult patients admitted in the year 2013 were included. Among 1308 confirmed dengue patients, the mortality rate was 1.76%. Hepatitis and thrombocytopenia were present in over 80% of all patients, but severe hepatitis was seen in 11...
April 2017: Tropical Doctor
https://www.readbyqxmd.com/read/28139770/platelet-activation-determines-the-severity-of-thrombocytopenia-in-dengue-infection
#14
Amrita Ojha, Dipika Nandi, Harish Batra, Rashi Singhal, Gowtham K Annarapu, Sankar Bhattacharyya, Tulika Seth, Lalit Dar, Guruprasad R Medigeshi, Sudhanshu Vrati, Naval K Vikram, Prasenjit Guchhait
Thrombocytopenia is common in patients with dengue virus (DENV) infections. With a focus on understanding the possible mechanism of thrombocytopenia in DENV infections we described a direct correlation between activation and depletion of platelets in patients. Our data showed a sharp decrease in platelet counts at day 4 of fever in patients. The high DENV genome copies in platelets correlated directly with the elevated platelet activation along with increased binding of complement factor C3 and IgG on their surface at day 4...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28138048/clinician-survey-to-determine-knowledge-of-dengue-and-clinical-management-practices-texas-2014
#15
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/28126818/igg-antibodies-to-dengue-enhanced-for-fc%C3%AE-riiia-binding-determine-disease-severity
#16
Taia T Wang, Jaturong Sewatanon, Matthew J Memoli, Jens Wrammert, Stylianos Bournazos, Siddhartha Kumar Bhaumik, Benjamin A Pinsky, Kulkanya Chokephaibulkit, Nattawat Onlamoon, Kovit Pattanapanyasat, Jeffery K Taubenberger, Rafi Ahmed, Jeffrey V Ravetch
Dengue virus (DENV) infection in the presence of reactive, non-neutralizing immunoglobulin G (IgG) (RNNIg) is the greatest risk factor for dengue hemorrhagic fever (DHF) or dengue shock syndrome (DSS). Progression to DHF/DSS is attributed to antibody-dependent enhancement (ADE); however, because only a fraction of infections occurring in the presence of RNNIg advance to DHF/DSS, the presence of RNNIg alone cannot account for disease severity. We discovered that DHF/DSS patients respond to infection by producing IgGs with enhanced affinity for the activating Fc receptor FcγRIIIA due to afucosylated Fc glycans and IgG1 subclass...
January 27, 2017: Science
https://www.readbyqxmd.com/read/28107859/dengue-fever-may-mislead-the-surgeons-when-it-presents-as-an-acute-abdomen
#17
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/28103832/thromboelastometry-analysis-of-thrombocytopenic-dengue-patients-a-cross-sectional-study
#18
Felipe Maia de Toledo Piza, Thiago Domingos Corrêa, Alexandre Rodrigues Marra, João Carlos Campos Guerra, Roseny Dos Reis Rodrigues, Andrea Aparecida Rocco Villarinho, Valdir Fernandes de Aranda, Sandra Christina Pereira Lima Shiramizo, Maria Roza de Jesus de Lima, Esper Georges Kallas, Alexandre Biasi Cavalcanti
BACKGROUND: Dengue virus infection (DVI) is a prevalent and potentially fatal viral disease associated with coagulopathy. So far, the coagulation profile of DVI patients with thrombocytopenia has not been assessed through a viscoelastic test such as rotational thromboelastometry. We aimed to describe the prevalence and characteristics of coagulation abnormalities in dengue fever outpatients with thrombocytopenia, addressed by both rotational thromboelastometry and conventional coagulation tests...
January 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28086881/dengue-fever-in-renal-transplant-patients-a-systematic-review-of-literature
#19
Ranga Migara Weerakkody, Jean Ansbel Patrick, Mohammed Hussain Rezvi Sheriff
BACKGROUND: Dengue fever in renal transplanted patients has not been studied well, and we review all the literature about episodes dengue fever in renal transplant patients. METHODS: The aim was to describe clinico-pathological characteristics, immunosuppressive protocols, need renal outcome and mortality. PubMed, LILACS, Google Scholar and Research Gate were searched for "Dengue" and "Renal/Kidney Transplantation" with no date limits. Hits were analyzed by two researchers separately...
January 13, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28072887/dengue-fever-in-travellers-and-risk-of-local-spreading-case-reports-from-southern-italy-and-literature-update
#20
Claudia Fabrizio, Luciana Lepore, Maria Chironna, Gioacchino Angarano, Annalisa Saracino
Dengue fever (DF), an arbovirosis caused by Dengue viruses (DV, serotypes 1-4), is responsible for an increasing number of travel-related acute febrile illnesses due to population growth, climate changes, spreading by viremic travellers, and improved laboratory diagnosis. The presence of efficient vectors (mosquito Aedes albopictus) has also been described in temperate regions including Italy which is considered the most heavily infected European country. Normally characterized by non-specific signs and symptoms, DF incidence is probably underestimated, especially in non-endemic countries, but the risk of severe forms is substantial...
January 2017: New Microbiologica
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