scholarly journals Clinico-haematological profile of dengue virus infection at rural tertiary care centre in North India

2017 ◽  
Vol 5 (8) ◽  
pp. 3329
Author(s):  
Vidyasagar Ram ◽  
Khwaja Saifullah Zafar ◽  
Manoj Kumar ◽  
Ganga Prasad Vaishya ◽  
Ejaz Ahmad ◽  
...  
Keyword(s):  
Virus Infection ◽  
Dengue Virus ◽  
Dengue Fever ◽  
Indian Subcontinent ◽  
Dengue Infection ◽  
Tertiary Care ◽  
Laboratory Data ◽  
North India ◽  
Dengue Virus Infection ◽  
Haematological Profile

Background: In India, dengue epidemics are becoming more frequent. Dengue viral infections are among the most important mosquito-borne disease of the Indian subcontinent. The study aimed to compare the clinical and haematological profile of all patients diagnosed with dengue viral infection. Patient with confirmed infection with dengue virus were prospectively evaluated for disease progression and to determine their final clinical outcome. The objective of the study was to study the clinico-haematological profile of dengue infection at rural tertiary care centre.Methods: This prospective study included 456 clinically suspected cases of dengue infection of ages more than 14 years of age. Dengue was confirmed by serological methods. Confirmed cases of dengue infection were analyzed according to age, sex and education. Clinical and hematological data were compared between dengue fever and dengue hemorrhagic fever.Results: Serologic dengue infection was positive in 220 (48%) out of 456 clinically suspected cases of the dengue infection. 127 (57.73%) patients were males and 93 (42.27%) were females. 149 (67.72%) patient had dengue fever while 71 (32.27%) had dengue hemorrhagic fever. The proportion of dengue cases was highest among male aged 15 to 24 years-old. A gradual decrease occurred in the percentage of dengue cases in the population aged 44 years-old or more. Common clinical symptoms were fever, headache, abdominal pain, myalgia, joint pain and retro-orbital pain. Common haematological abnormalities were thrombocytopenia, leukopenia and elevated alanine aminotransferase (SGOT).Conclusions: Differences in the clinical, biochemical and haematological profile of dengue virus infection, indicative of a variation in disease severity from DF to DHF. In this study, we present recent data on readily obtained clinical and laboratory data that can be used for early diagnosis and earlier appropriate treatment of dengue virus infection.

scholarly journals DENGUE INFECTION

2011 ◽  
Vol 18 (04) ◽  
pp. 687-692
Author(s):  
ATIF SITWAT HAYAT ◽  
NAILA SHAIKH ◽  
GHULAM HUSSAIN BALOCH
Keyword(s):  
Virus Infection ◽  
Dengue Virus ◽  
Enzyme Immunoassay ◽  
Dengue Fever ◽  
Dengue Infection ◽  
Tertiary Care ◽  
Major Public Health Problem ◽  
Care Hospital ◽  
Dengue Virus Infection ◽  
Number Of Patients

Background: Dengue fever (DF) has emerged as a major public health problem across the world in terms of health cost, morbidity and mortality. Objective: The objective of our study was to determine frequency of seropositive dengue virus infection by using enzyme immunoassay (EIA) test in patients with probable dengue infection at a tertiary care hospital of Hyderabad. Design: This crosssectional, observative , hospital-based study. Setting: Liaquat University Hospital Hyderabad. Period: 1st June 2010 to 31st December 2010. Methods: Patients presenting with acute febrile illness (i.e. documented fever of > 38˚C), skin rashes with or without bleeding manifestations (petechiae, epistaxis, hematemesis, menorrhagia or malena) plus cytopenias (leucopenia and / or thrombocytopenia) on peripheral smear examination, were evaluated for probable dengue virus infection. Serologic diagnosis has been carried out by using enzyme immunoassay (EIA) test with differential detection of IgM and IgG. Results: Out of 340 cases who fulfilled WHO criteria of probable dengue fever, 152(44.70%) were enzyme immunoassay (EIA) test reactive, while 188(55.29%) EIA non-reactive. The primary dengue infection was found in 102(67.10%) patients and secondary infection in 50(32.89%). Among both groups, males were predominantly affected. Majority of patients were hospitalized during the month of October. In addition, large number of patients aged between 13-35 years. Only two patients expired due to dengue shock syndrome and they were suffering from secondary dengue infection. Case fatality rate was 0.3% in our study. Conclusions: On conclusion, early detection of primary and secondary dengue virus infections via enzyme immunoassay (EIA) being important, as it is simple and rapid diagnostic tool having high sensitivity. This is especially valuable in alleviating psychological fear, disease-progression and mortality associated with dengue fever epidemics.

scholarly journals Prevalence of dengue virus infection among population of Bhaili visiting tertiary health institution; Chhattisgarh

2020 ◽  
Vol 11 (2) ◽  
pp. 30-34
Author(s):  
Dhruba Hari Chandi
Keyword(s):  
Virus Infection ◽  
Early Detection ◽  
Dengue Virus ◽  
Dengue Fever ◽  
Dengue Infection ◽  
Rapid Test ◽  
Age Group ◽  
Immunochromatographic Test ◽  
Dengue Virus Infection ◽  
Health Institution

Background: Dengue fever, dengue haemorrhagic fever and dengue shock syndrome of infection is distinct clinical forms which is caused by Dengue Virus that belong to a member of the Flaviviridae family. It is most important arthropod borne viral disease that causes morbidity and mortality. Dengue virus infection is a major public health problem growing in worldwide and it is estimated about 2.5 billion people of world are at risk of this infection. In India several parts of the country it is an endemic disease. Aims and Objective: The current work is an attempt to review current perspectives of dengue infection among population of Bhilai visiting tertiary health institution. In study also we have compared the serological profiles of the dengue cases. Material and Methods: Samples received were performing retrospective analysis in the department of microbiology and process in the departmental microbiology laboratory obtaining during monsoon season. The duration of fever (in days) and other relevant clinical information were recorded from the requisition form. Rapid test for dengue as NS1Ag, IgG and IgM test were performed in accordance with the manufacturer’s instructions. The dengue NS1Ag, IgG and IgM rapid test is an in vitro immunochromatographic test (ICT) which is a onestep assay designed for the qualitative determination of dengue NS1Ag, IgG and IgM in human serum for the diagnosis dengue infection. Result: During the study period total 1308 serum samples were collected from suspected Dengue fever patients. Among 1308 samples 412(31.5%) samples were found to be positive dengue fever. In the month of August maximum number of sample were received. Out of 1308 patients with dengue suspected patients 792(60.6%) were male and 516(39.4%) were female. Among 60.6% of male 28.2% were positive and out of 39.4% of female 36.6% were positive for dengue. Age between 10-20 years old (55.83%) patients were most affected age group and 70-80 years old (8.77%) age group were least affected. Among the dengue positive patients, dengue parameter associated with thrombocytopenia was also recorded which showed that there was no significant difference between the parameters in relation to thrombocytopenia. Conclusion: Especially in developing countries like India where there are poor resources for diagnosis of dengue infection, the sensitivity of these tests is more than immunochromatographic Test (ICT). By NS1 assay early detection of dengue infection can help in early confirmation and management of this before its gets complicate. Therefore commercial available dengue NS1 antigen test kits provided additional laboratory diagnostic tool for early detection of dengue.

Headache Features in Patients with Dengue Virus Infection

Cephalalgia ◽  
2006 ◽  
Vol 26 (7) ◽  
pp. 879-882 ◽  
Author(s):  
RB Domingues ◽  
GW Kuster ◽  
FL Onuki de Castro ◽  
VA Souza ◽  
JE Levi ◽  
...  
Keyword(s):  
Virus Infection ◽  
Dengue Virus ◽  
Dengue Fever ◽  
Dengue Infection ◽  
Severe Form ◽  
Dengue Haemorrhagic Fever ◽  
Neurological Involvement ◽  
Haemorrhagic Fever ◽  
Dengue Virus Infection

The aim of this study was to describe the frequency and features of headache among patients with confirmed dengue virus infection and to compare the headache features in patients with dengue fever and dengue haemorrhagic fever, primary and secondary dengue infection, and patients with and without neurological involvement. Patients with classic dengue fever had a more intense headache than those with the more severe form of the disease, dengue haemorrhagic fever.

scholarly journals Seroepidemiology of Asymptomatic Dengue Virus Infection in Jeddah, Saudi Arabia

2016 ◽  
Vol 7 ◽  
pp. VRT.S34187 ◽  
Author(s):  
Ghazi A. Jamjoom ◽  
Esam I. Azhar ◽  
Moujahid A. Kao ◽  
Raja M. Radadi
Keyword(s):  
Saudi Arabia ◽  
Virus Infection ◽  
Dengue Virus ◽  
Dengue Fever ◽  
Blood Donors ◽  
Dengue Infection ◽  
Igg Antibodies ◽  
Dengue Virus Infection ◽  
High Exposure ◽  
Dengue Viruses

Background Although virologically confirmed dengue fever has been recognized in Jeddah, Saudi Arabia, since 1994, causing yearly outbreaks, no proper seroepidemiologic studies on dengue virus have been conducted in this region. Such studies can define the extent of infection by this virus and estimate the proportion that may result in disease. The aim of this study was to measure the seroprevalence of past dengue virus infection in healthy Saudi nationals from different areas in the city of Jeddah and to investigate demographic and environmental factors that may increase exposure to infection. Methods Sera were collected from 1984 Saudi subjects attending primary health care centers in six districts of Jeddah. These included general patients of various ages seeking routine vaccinations, antenatal care or treatment of different illnesses excluding fever or suspected dengue. A number of blood donors were also tested. Serum samples were tested by enzyme immunoassay (EIA) for IgG antibodies to dengue viruses 1, 2, 3, 4. A questionnaire was completed for each patient recording various anthropometric data and factors that may indicate possible risk of exposure to mosquito bites and dengue infection. Patients with missing data and those who reported a history of dengue fever were excluded from analysis, resulting in a sample of 1939 patients to be analyzed. Results The overall prevalence of dengue virus infection as measured by anti-dengue IgG antibodies from asymptomatic residents in Jeddah was 47.8% (927/1939) and 37% (68/184) in blood donors. Infection mostly did not result in recognizable disease, as only 19 of 1956 subjects with complete information (0.1%) reported having dengue fever in the past. Anti dengue seropositivity increased with age and was higher in males than females and in residents of communal housing and multistory buildings than in villas. One of the six districts showed significant increase in exposure rate as compared to the others. Availability of public sewage was associated with lower infection at a nearly significant level. No other clear risk factors were identifiable. Infection was not related to travel abroad. Conclusions Our results indicate a relatively high exposure of Jeddah residents to infection by dengue viruses, which must be considered endemic to this region. Infection largely remained asymptomatic or was only associated with minor illness for which patients did not seek treatment. These results call for continued vigilance for clinical cases of dengue that may arise from this wide exposure. They also call for more extensive control efforts to reduce exposure to and transmission of dengue viruses.

scholarly journals Retrospective Seroepidemiology study of dengue virus infection in Taiwan

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Ying-Hsuan Lee ◽  
Yu-Chia Hsieh ◽  
Chih-Jung Chen ◽  
Tzou-Yien Lin ◽  
Yhu-Chering Huang
Keyword(s):  
General Population ◽  
Virus Infection ◽  
Dengue Virus ◽  
Dengue Fever ◽  
Health Concern ◽  
Age Group ◽  
Dengue Virus Infection ◽  
Recent Infection ◽  
Seropositive Rate ◽  
Significant Difference

Abstract Background Dengue virus infection has been an important and serious public health concern in Taiwan, where local outbreaks of dengue fever occurred almost every year. To our knowledge, no nationwide investigation has been carried out to determine the actual extent of infection in the general population. Methods A total of 1308 random serum samples were collected from the general population in Taiwan in 2010. The antibody-captured enzyme-linked immunosorbent assays were used to detect DENV-specific IgM and IgG. Demographics data were used for risk analysis. Results The weighted overall seroprevalence was 1.96% for anti-DENV IgM, and 3.4% for anti-DENV IgG, respectively. A significant rise of DENV IgG seropositive rate had been noted since late adulthood stage, from 1.1% at the age group of 50–59 years to 7.6% at the age group of 60–69 years. For people aged over 70 years, the seropositive rate reached 19%. Age, nationality, and regions of residency were associated with the IgG seropositivity. There was no statistically significant difference in seroprevalence of anti-Dengue IgM, indicating recent infection, among univariate predictors we proposed, including gender, age, residency, nationality, and household size. Conclusions Our results indicated that the majority of population in Taiwan born after 1940 is naive to dengue virus and the prevalence of IgG antibody against dengue virus rises with age. Nationality, and regions of residency are associated with the exposure of population to infection by dengue viruses. Further studies are needed to realize the current situation of seroprevalence of dengue fever in Taiwan.

scholarly journals NS-1 antigen positive Dengue Infection and molecular characterization of Dengue Viruses in a private Medical College Hospitalin Dhaka, Bangladesh

2018 ◽  
Vol 17 (4) ◽  
pp. 669-673
Author(s):  
Mahmuda Siddiqua ◽  
Ahmed Nawsher Alam ◽  
AKM Muraduzzaman ◽  
Tahmina Shirin
Keyword(s):  
Virus Infection ◽  
Dengue Virus ◽  
Dengue Infection ◽  
Medical Science ◽  
Cost Effective ◽  
Rt Pcr ◽  
Dengue Virus Infection ◽  
Medical College ◽  
Virus Serotype ◽  
Ns1 Antigen

Introduction: Detection of dengue virus infection as soon as possible is critical for management of dengue virus infected patients. Immuno-chromatographic (ICT) tests are easy, cost effective method for dengue virus antigen detection.The sensitivity and specificity of ICT should compare with a gold standard test like RT-PCR. Aim of this study was to compare two test methods (ICT and RT-PCR), observe dengue serotype and seasonal impact on dengue infection.Methodology & result: The patients of Ibn Sina Medical College Hospital from October 2015 to October 2017 were tested for dengue NS1 antigen by ICT method. Out of 3201 sample tested 32.39% were found positive and 89 of which were re-tested for RT-PCR for comparison. Eighty eight of 89 NS1 positive cases showed positive by RT-PCR method giving an accuracy of 98.87%. Among the RT-PCR positive cases 45 were further analyzed for serotype. DEN-1, DEN-2 or both DEN- 1 and DEN-2 were found in 21, 23 and 1cases respectively. No cases of DEN-3 or DEN-4 were detected.Conclusion: This study showed that easily available and cost effective dengue NS1 antigen detection method (ICT) is as effective as molecular test (RT-PCR). DEN-1 and DEN-2 serotype were prevalent during last few years in Bangladesh. Continuous monitoring of dengue virus serotype is important for prevention and control of sudden epidemic by other serotype. Alert to be more during post monsoon when the peak of dengue virus infection was observed.Bangladesh Journal of Medical Science Vol.17(4) 2018 p.669-673

A SPATIAL CLUSTERING APPROACH TO IDENTIFY RISK AREAS OF DENGUE INFECTION AFTER INSECTICIDE SPRAYING

2016 ◽  
Vol 78 (5-3) ◽  
Author(s):  
Napadol Sudsom ◽  
Suwich Thammapalo ◽  
Theerakamol Pengsakul ◽  
Kuaanan Techato
Keyword(s):  
Virus Infection ◽  
Dengue Virus ◽  
Spatial Clustering ◽  
Dengue Infection ◽  
Spatial Association ◽  
Dengue Vector ◽  
Dengue Virus Infection ◽  
Spatial Analyst ◽  
Risk Areas ◽  
Clustering Approach

This study aims to demonstrate a spatial clustering approach for identifying risk households of dengue virus infection during the period of insecticide spraying-ultra low volume (ULV). All households located within 100 m radius of spraying area were recorded with geographic coordinates and divide into three groups of spraying (unsprayed, only outdoor and indoor plus outdoor sprayed house). A total of 45 households with geographic coordinates, were randomly selected to monitor ovitrap index, the percentage of positive ovitraps and the number of eggs per trap, in pre- and post-ULV spraying. Application of spatial analyst tools and spatial statistics tools in ArcGIS 10.1 were used to determine mosquito density and identify risk households using ovitrap index. The prediction maps of Aedes aegypti vector abundance were illustrated by kriging technique. Base on the results, the cluster of Ae. aegypti populations were detected on four day after the spraying. This finding shows the significant spatial pattern of dengue vector populations which may cause high risk areas of dengue virus infection after insecticide treatment. This methodological framework could be used for improving the strategy of dengue vector and outbreak control. The spatial association between dengue vector and the coverage of space spraying requires further study.

Neonate with haemophagocytic lymphohistiocytosis secondary to dengue infection: a case report

2016 ◽  
Vol 47 (3) ◽  
pp. 253-255 ◽  
Author(s):  
MV Krithika ◽  
Prakash Amboiram ◽  
Sneha M Latha ◽  
Binu Ninan ◽  
Febe Renjitha Suman ◽  
...  
Keyword(s):  
Bone Marrow ◽  
Case Report ◽  
Virus Infection ◽  
Dengue Virus ◽  
Dengue Infection ◽  
Haemophagocytic Lymphohistiocytosis ◽  
Dengue Virus Infection ◽  
The Third ◽  
First Case

We report the first case of haemophagocytic lymphohistiocytosis (HLH) in a neonate secondary to primary Dengue virus infection. This neonate presented in the third week of life with fever, shock and hepatosplenomegaly and was diagnosed to have Dengue infection by serology and HLH was confirmed on bone marrow.

scholarly journals Sero-diagnosis of Dengue virus in Different Hospitals of Nepal

2013 ◽  
Vol 1 (2) ◽  
pp. 58-62 ◽  
Author(s):  
Y Shah ◽  
G Khadka ◽  
GP Gupta ◽  
N Adhikari ◽  
A Poudel ◽  
...  
Keyword(s):  
Virus Infection ◽  
Dengue Virus ◽  
Dengue Fever ◽  
Control Measure ◽  
Public Health Problem ◽  
Enzyme Linked Immunosorbent Assay ◽  
Dengue Virus Infection ◽  
Capture Elisa ◽  
Occupation Group ◽  
Hilly Region

INTRODUCTION: Dengue fever (DF) is an emerging mosquito borne viral disease and important public health problem in low land Terai region which is also moving towards hilly region Nepal. This study was designed to determine the sero-prevalence of dengue virus infection in patients visiting hospitals of Nepal. MATERIALS AND METHODS: This study was conducted during period (June-November) of 2010 in Nepalese patients with fever visiting hospitals of Birganj, Damouli, Biratanagar, Dhading Besi and Chitwan. The sero-prevalence of dengue virus specific IgM was determined by enzyme linked immunosorbent assay (ELISA). Serum samples were collected from 289 patients visiting hospitals with history of fever and clinically suspected dengue fever. RESULTS: The anti-dengue IgM positivity was found to be 8.99%. The positive dengue cases were higher in male (10.8%) as compared to female (7.1%) though it was not statistically significant (P>0.05). Among different age groups, the highest positive cases (12.3%) were from age group below 15 years followed by above 50 years 8.3%. Out of 5 hospitals, the highest positive cases were in Tanahu hospital, Damouli (23.8%) followed by Bharatpur hospital and Chitwan (22.2%). Age and gender were found to be independent predictors. The highest numbers of dengue positive cases were in occupation group business (13.3%) followed by agriculture (12.7%). CONCLUSIONS: Prevalence of dengue virus infection is increasing and proper control measure should be provided. IgM capture ELISA was used for laboratory analysis and remains as a reliable and inexpensive method for the diagnosis of dengue. Hence, the IgM capture ELISA has become the most accepted technique for the diagnosis of dengue in developing countries like Nepal. DOI: http://dx.doi.org/10.3126/ijim.v1i2.7003 Int J Infect Microbiol 2012;1(1):58-62

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