Dengue fever in travellers: are we missing warning signs of severe dengue in a non‐endemic setting?

2016 ◽  
Vol 204 (7) ◽  
pp. 267-267 ◽  
Author(s):  
Alex Tai ◽  
Roselle Robosa ◽  
Alexander A Padiglione ◽  
Chamila Dalpatadu ◽  
Tony M Korman
Keyword(s):  
Dengue Fever ◽  
Warning Signs ◽  
Severe Dengue ◽  
Endemic Setting

scholarly journals Patterns of Gall Bladder Wall Thickening in Dengue Fever: A Mirror of the Severity of Disease

2017 ◽  
Vol 03 (02) ◽  
pp. E76-E81 ◽  
Author(s):  
Jitendra Parmar ◽  
Chander Mohan ◽  
Maulik Vora
Keyword(s):  
Gall Bladder ◽  
Dengue Fever ◽  
Bladder Wall ◽  
Warning Signs ◽  
Severe Dengue ◽  
Wall Thickening ◽  
Severity Of Disease ◽  
Gall Bladder Wall ◽  
Track Pattern ◽  
Honeycomb Pattern

Abstract Background Dengue fever is a major public health problem with an increased incidence in recent years. Gall bladder wall thickening has been reported as one of the most common findings in dengue fever. There is a paucity of literature regarding the various patterns of gall bladder wall thickening in dengue fever and their significance in predicting the severity of disease. Methodology and Significant Findings Out of 93 seropositive patients included in the study, 54 patients with dengue fever had gall bladder wall thickening. 4 patterns of gall bladder wall thickening are demonstrated in this study. A uniform echogenic pattern in 20 patients, striated or tram track pattern in 11 patients, an asymmetric pattern in 2 patients and a honeycombing pattern in 21 patients. The range of patterns of wall thickening included normal wall thickening or uniform echogenic wall thickening in DF without warning signs, a striated or tram track pattern, and a honeycomb pattern in severe DF. Serial ultrasound done on consecutive alternate days revealed a change in the pattern of gall bladder wall thickening according to the severity of disease. Conclusion The present study revealed 4 distinct patterns of gall bladder wall thickening. The uniform echogenic pattern was found to be more prevalent in dengue fever without warning signs, while the honeycomb pattern was found to be more prevalent in severe dengue fever. A change in the pattern of gall bladder wall thickening on subsequent serial ultrasound can predict the severity of the disease.

scholarly journals Clinical profile of dengue fever in children: analysis of 2017 outbreak from Central Kerala, India

2018 ◽  
Vol 5 (6) ◽  
pp. 2265 ◽  
Author(s):  
Senthil Kumar K. ◽  
Rajendran N. K. ◽  
Ajith Brabhukumar C.
Keyword(s):  
Dengue Fever ◽  
Dengue Infection ◽  
Tertiary Care ◽  
Hemorrhagic Fever ◽  
Warning Signs ◽  
Clinical Profile ◽  
Severe Dengue ◽  
High Morbidity ◽  
Care Hospital ◽  
High Grade Fever

Background: In India, dengue epidemics are becoming more frequent (WHO, 2008). The majority of dengue viral infections are self-limiting, but complications may cause high morbidity and mortality. The objective of this study is to assess the clinical profile of the dengue infection in children less than 15 years of age and to evaluate the outcomes of dengue fever from March 2017 to July 2017 at the Pediatric Department of Karuna Medical College, the tertiary care hospital in Palakkad.Methods: In this retrospective study, medical records were reviewed and analyzed. Patients with suspected dengue infection were classified further into 2 groups, Dengue fever (probable dengue, dengue with warning signs) and ‘Severe Dengue’ (dengue hemorrhagic fever and/or dengue shock syndrome (DHF/DSS) according to WHO.Results: A total of 77 cases were classified into 67 (87%) non-severe and 10 (13%) severe dengue cases. The most common age of presentation was above 10 yrs. The mean age of admission was 8.9 yrs. The most common presenting symptom was fever seen in 93% followed by vomiting in 68%. Elevation in Aspartate transaminase (SGOT) and thrombocytopenia were found in 32.4 %.Conclusions: High grade fever, vomiting, abdominal pain and skin rash with normal or low platelet count were the presenting features. Early diagnosis, monitoring and prompt supportive management can reduce mortality.

scholarly journals Epidemiological and Clinical Features of Dengue Infection in Adults in the 2017 Outbreak in Vietnam

2019 ◽  
Vol 2019 ◽  
pp. 1-6 ◽  
Author(s):  
Bui Vu Huy ◽  
Le Nguyen Minh Hoa ◽  
Dang Thi Thuy ◽  
Nguyen Van Kinh ◽  
Ta Thi Dieu Ngan ◽  
...  
Keyword(s):  
Elderly Patients ◽  
Dengue Fever ◽  
Clinical Features ◽  
Dengue Infection ◽  
Clinical Manifestations ◽  
Warning Signs ◽  
Severe Dengue ◽  
Severe Bleeding ◽  
Cross Sectional ◽  
Number Of Patients

Purpose. The clinical features and laboratory results of dengue-infected adult patients admitted to the hospital during the 2017 outbreak were analyzed in this study. Method. This is a cross-sectional study. 2922 patients aged 18 years or more with dengue fever in National Hospital for Tropical Diseases (NHTD) in the North and Hospital for Tropical Disease (HTD) in the South of Vietnam were recruited in this study. Result. Patients were admitted in the hospital around the year and concentrated from August to December, in 53/63 (84.0%) provinces in Vietnam, and patients in all ages were affected. The number of patients with dengue fever was 1675 (57.3%), dengue with warning signs 914 (31.3%), and severe dengue 333 (11.4%), respectively. Among patients with severe dengue, severe plasma leakage and dengue shock account for 238 (8.1%), severe organ impairment 73 (2.5%), and severe bleeding 22 (0.75%). The rate of mortality was 0.8%, and the outcome of dengue patients is worse in the elderly and people with underlying diseases. Conclusion. The 2017 dengue outbreak occurred in a larger scale than in the previous years in terms of time, location, and number of patients. More elderly patients were infected by dengue in this outbreak, and this may contribute to the mortality rate. Clinical manifestations of dengue patients in Southern Vietnam are more typical than the northern, but the rate of severe dengue is not different. The mortality risk and underlying conditions associated with dengue-infected elderly patients are worthy of further investigations in the future.

scholarly journals Retrospective study of clinical profile and outcome of pediatric dengue cases in a teaching hospital

2016 ◽  
Vol 4 (1) ◽  
pp. 226
Author(s):  
Alok Kumar M. K. ◽  
Timmangouda R. Patil ◽  
Santhosh Veerabadhraiah
Keyword(s):  
Retrospective Study ◽  
Respiratory Distress ◽  
Dengue Fever ◽  
Clinical Symptoms ◽  
Fluid Management ◽  
Clinical Manifestations ◽  
Warning Signs ◽  
Severe Dengue ◽  
Study Results ◽  
Wide Range

Background: Dengue fever is an acute febrile illness caused by 4 closely related viral serotypes of the genus Flavivirus. Dengue has a broad range of clinical manifestations and often with unpredictable clinical evaluation and outcome. So this study has been done to see the wide range of clinical presentation of dengue and its outcome.Methods: It is a retrospective study done in tertiary hospital during the period of 8 months. Study was done by collecting the previous records from hospital record section. There were 48 cases of serologically confirmed cases of dengue which satisfied the inclusion and exclusion criteria were included in the study. Results: In our study there were 52% of the cases of dengue fever, 16.6% of cases were dengue fever with warning signs and remaining 31.4% of patients were severe dengue. Common Clinical symptoms at admission were fever (100%), vomiting (77%), respiratory distress (56.25%), generalised weakness (54.1%) and pain abdomen (33.3%). Less common symptoms were loose stools (6.25%), periorbital puffiness (6.25%), altered sensorium (4.1%), oliguria (2%) and bleeding manifestations (2%). Out of these dengue children 70.8% of these children improved without complication, 20.8 % of children improved with complication, in the form of ARDS, acute liver failure, DSS, meningitis, 6.25 % of these children went DAMA and  2 % of children expired.Conclusions: In our study atypical presentations like respiratory distress, loose stools meningitis were commonly noted and bleeding manifestation at admission was rare in our study. Platelet transfusions have little role in management of dengue patients. Early diagnosis, careful monitoring and proper fluid management goes a long way in reducing the mortality due to dengue hemorrhagic fever and shock syndrome.  

scholarly journals Serum sodium level in dengue infected children: a retrospective study

2018 ◽  
Vol 5 (5) ◽  
pp. 1801
Author(s):  
Reshma Raj ◽  
Rashmi Alva
Keyword(s):  
Dengue Fever ◽  
Serum Sodium ◽  
Sodium Level ◽  
Serum Sodium Level ◽  
Tertiary Care ◽  
Clinical Manifestations ◽  
Warning Signs ◽  
Severe Dengue ◽  
Dengue With Warning Signs ◽  
Group B

Background: Dengue fever is one of the most common arbo virus mediated outbreaks, being reported from different parts of the world. Now as the outbreaks are hitting different geographic locations, different clinical manifestations are being reported recently. Aim of this study is to document the serum Sodium level in dengue infected children in a tertiary care centre.Methods: A total 128 cases of NS1 antigen, IgM positive or ELISA positive dengue patients were included in this observational study and analyzed.Results: The serum Sodium level in dengue varies according to the different groups. In group A (dengue with no warning signs) the serum Sodium level was normal, whereas in case of group B (dengue with warning signs), there was significant hyponatremia. In group C, severe dengue the serum Sodium was normalConclusions: Mild hyponatremia is a common electrolyte disturbance in patients with dengue with warning signs. Hence, the lower the serum Sodium levels the higher is the incidence of complications associated with dengue fever.

scholarly journals Clinico-epidemiological profile of dengue cases in a Medical College Hospital, Bengaluru, Karnataka, India

2017 ◽  
Vol 4 (4) ◽  
pp. 928 ◽  
Author(s):  
Srividya V. ◽  
Kruthika N.
Keyword(s):  
Dengue Fever ◽  
Warning Signs ◽  
Medical College Hospital ◽  
Severe Dengue ◽  
Dengue Case ◽  
College Hospital ◽  
Good Opportunity ◽  
Pediatric Ward ◽  
Medical College ◽  
Epidemiological Features

Background: Medical college hospital being a tertiary care center receives a significant number of dengue cases from within and outside the catchment area and provides a good opportunity to study the clinical and epidemiological features of dengue infection, its prognosis and outcome so as to institute prompt preventive and control measures. The objective was to describe the clinico-epidemiological features of dengue cases admitted to pediatric ward at a Medical College Hospital, Bengaluru, Karnataka, India.Methods: Cross-sectional study of 140 cases positive for NS1Ag, IgM and/or IgG by dengue rapid immuno-chromatographic card test, admitted in pediatric ward during June to August 2013 at Rajarajeswari Medical College and Hospital.Results: Majority of the patients were from rural area. Fever was present in all 140 cases. Vomiting followed by headache were the common presenting symptoms. Of the 140, 50% cases were classified as dengue fever without warning signs, 46.4% as dengue fever with warning signs and 3.6% as severe dengue. Thrombocytopenia was present in 77.1%, leucopenia in 47.9%, and raised haematocrit in 52.1% of cases. Mortality rate was 0.71%.Conclusions: Children above 5 years of age were most commonly affected age group. About 5 (3.6%) of the patients belonged to severe dengue category according to revised WHO Dengue Case Classification.

ROLE OF PLATELET PARAMETERS IN DENGUE FEVER IN CHILDREN

2021 ◽  
pp. 42-43
Author(s):  
Mithilesh Kumar ◽  
R. K. Sinha ◽  
Debarshi Jana
Keyword(s):  
Platelet Count ◽  
Dengue Fever ◽  
Recovery Phase ◽  
Warning Signs ◽  
Severe Dengue ◽  
Distribution Width ◽  
Female Ratio ◽  
Group A ◽  
Group B

Aim: To evaluate the role of platelet parameters in dengue fever and also to determine relationship of platelet parameters with platelet count and the severity of the disease. The platelet para Materials and methods: meters [platelet count, plateletcrit, mean platelet volume (MPV), platelet distribution width (PDW)] of 50 dengue infected children were calculated using BC 3000 plus Mindray Automated Hematology Analyzer. Normal range of MPV is 7.5-11.5 . Plateletcrit cut off value in thrombocytopenia is 0.2-0.36%. The PDW reported varies with reference intervals ranging from 8.3 to 56.6%. Subjects were divided into four groups according to their platelet count on day 3 of illness (<20,000 cells/cumm, 20,000 to 50,000 cells/cumm, 50,000 to 100,000 cells/cumm and >100,000 cells/cumm). Platelet indices were studied among these groups and also the indices were evaluated with respect to the severity of disease as group A (dengue without warning signs), group B (dengue with warning signs and group C (severe dengue). Results: Male: female ratio was 28:22. Mean age of presentation was 7.8 + 2.2 years. Thirty-ve patients belonged to Group A, 26 to group B and 2 belonged to group C. PLT (cells/cumm) on Day 3 and Day 7 was 91,828 ±33,532 vs 195,371 + 70,586 in Group A patients (p<0.0001), 69,076 ±45,904 vs 163,230 + 85,053 in Group B patients (p=0.0018) 38,500 + 38,890 vs 86,000 + 28,284 in Group C patients (p=0.29). PCT (%) on Day 3 and Day 7 was 0.09 + 0.04 vs 0.18 + 0.06 in Group A patients (p<0.0001), 0.07 + 0.04 vs 0.15 + 0.07 in Group B patients (p=0.0009) and 0.04 + 0.04 vs 0.08 + 0.28 in Group C patients (p=0.84). MPV () on Day 3 and Day 7 was 10.73 + 1.07 vs 11.34 + 1.09 in Group A patients (p=0.0212), 10.41 + 1.39 vs 10.87 + 0.99 in Group B patients (p=0.3389), 9.35 + 1.62 vs 10.3±1.41 in Group C patients (p=0.59). PDW () on Day 3 and Day 7 was 14.46 ± 1.35 vs 13.22 + 1.10 in Group A patients (p=0.0001), 14.61 + 1.36 vs 13.0 + 0.76 in Group B patients (p=0.0011) and 14.5 + 1.84 vs 13.5 + 0.71 in Group C (p=0.54). Though MPV was lower in patients with platelet count <20,000 cells/cumm (8.57 + 0.5 ) as compared to other groups, it was not statistically signicant (p=0.325). PCT increases with increase in platelet count on Day 3 and Day 7 (p=0.000). Though PDW was lower on Day 3 in patients with platelet count <20,000 cells/cumm as compared to the other 3 groups, it was not statistically signicant (p=0.0740). Conclusion: Lower platelet count and low PCT are seen with severe dengue, increasing platelet count and PCT suggest recovery phase of dengue. MPV had no correlation with severity of dengue or level of thrombocytopenia suggestive that there is no role to predict severity of dengue. PDW does not uctuate with severity of dengue or level of thrombocytopenia

Is there any association between body mass index and severity of dengue infection?

2021 ◽  
Author(s):  
Mohd Syis Zulkipli ◽  
Sanjay Rampal ◽  
Awang Bulgiba ◽  
Devi Peramalah ◽  
Nor'Ashikin Jamil ◽  
...  
Keyword(s):  
Body Mass Index ◽  
Platelet Count ◽  
Dengue Fever ◽  
Body Mass ◽  
Dengue Infection ◽  
Mixed Effects ◽  
Warning Signs ◽  
Severe Dengue ◽  
Full Blood Count ◽  
Response Analysis

Abstract Background Dengue, an acute infectious disease caused by a flavivirus, is a threat to global health. There is sparse evidence exploring obesity and the development of more severe dengue cases in adults. With increasing prevalence of obesity in areas with a high risk of dengue infection, obesity may increase the burden and mortality related to dengue infection. Our study aimed to determine the association between obesity and the development of more severe dengue infection in primary healthcare settings and whether these associations were modified by dengue fever phase. Methods A cohort study was conducted among laboratory-confirmed dengue patients aged &gt;18 y in the central region of Peninsular Malaysia from May 2016 to November 2017. We collected demographic, clinical history, physical examination and laboratory examination information using a standardized form. Dengue severity (DS) was defined as either dengue with warning signs or severe dengue. Participants underwent daily follow-up, during which we recorded their vital signs, warning signs and full blood count results. Incidence of DS was modeled using mixed-effects logistic regression. Changes in platelet count and hematocrit were modeled using mixed-effects linear regression. The final multivariable models were adjusted for age, gender, ethnicity and previous dengue infection. Results A total of 173 patients were enrolled and followed up. The mean body mass index (BMI) was 37.4±13.75 kg/m2. The majority of patients were Malay (65.9%), followed by Chinese (17.3%), Indian (12.7%) and other ethnic groups (4.1%). A total of 90 patients (52.0%) were male while 36 patients (20.8%) had a previous history of dengue infection. BMI was significantly associated with DS (adjusted OR=1.17; 95% CI 1.04 to 1.34) and hematocrit (%) (aβ=0.09; 95% CI 0.01 to 0.16), but not with platelet count (x103/µL) (aβ=−0.01; 95% CI −0.84 to 0.81). In the dose response analysis, we found that as BMI increases, the odds of DS, hematocrit levels and platelet levels increase during the first phase of dengue fever. Conclusion Higher BMI and higher hematocrit levels were associated with higher odds of DS. Among those with high BMI, the development of DS was observed during phase one of dengue fever instead of during phase two. These novel results could be used by clinicians to help them risk-stratify dengue patients for closer monitoring and subsequent prevention of severe dengue complications.

scholarly journals Study of hepatic involvement in children with dengue infection

2017 ◽  
Vol 4 (6) ◽  
pp. 2012
Author(s):  
Hima Bindu Tirumani ◽  
Vinay Kumar Bejugam ◽  
Altaf Naseem ◽  
Arshad Hussain ◽  
. Nizarlalani
Keyword(s):  
Dengue Fever ◽  
Liver Dysfunction ◽  
Dengue Infection ◽  
Fold Increase ◽  
Liver Function Tests ◽  
Hepatic Function ◽  
Warning Signs ◽  
Severe Dengue ◽  
Cross Sectional ◽  
Hepatic Involvement

Background: Liver dysfunction in children is variable and depends on disease severity. This study was undertaken to identify the range of hepatic involvement in children with dengue infection.Methods: It is a cross sectional observational study conducted in serologically positive dengue fever in children aged between 1-14 years. Hepatic function was studied in all suspected cases over a period of 1 year from June 2015 to June 2016.Results: Out of 55 cases admitted, liver function tests showed AST levels elevated more than 45U/L in 20 (86.9%) DF, 29 (100%) DHF, 3 (100%) DSS patients. ALT levels were elevated more than 45U/L in 16 (69.5%) DF, 24 (82.75%) DHF, 3 (100%) DSS patients. More than 10 fold increase in levels of both AST and ALT was seen in severe dengue.Conclusions: Dengue infection is associated with variable levels of liver dysfunction. The incidence of hepatic dysfunction is more in patients with dengue fever with warning signs and severe dengue. Significant elevation of transaminase levels helps in predicting the occurrence of severe dengue. It is important to be aware of this entity which needs significant attention and management. 

scholarly journals Serum ionic calcium levels and hypocalcemia in dengue fever in children and its correlation with its severity: case control study

2019 ◽  
Vol 6 (3) ◽  
pp. 1289
Author(s):  
V. G. Manjunath ◽  
Sruthi Balla ◽  
Jagadish Kumar
Keyword(s):  
Dengue Fever ◽  
Case Control Study ◽  
Case Control ◽  
Warning Signs ◽  
Severe Dengue ◽  
Case Group ◽  
Major Health Problem ◽  
Ionic Calcium ◽  
Dengue With Warning Signs ◽  
Control Study

Background: Dengue fever (DF) is a major health problem, 90% of dengue hemorrhagic fever (DHF) occurring in children <5 years and mortality of 2.5%. Abnormalities like metabolic acidosis, hyponatremia and hypocalcemia can occur in severe dengue especially in dengue shock patients. Alterations in calcium homeostasis, may play a role in the pathogenesis of dengue shock. Objectives is to evaluate serum ionic calcium (Ca2+) levels in children aged 1-18yrs with dengue fever and correlate it with severity and outcomeMethods: The study was prospective hospital based case-control study. Case group had 75 children with dengue fever with equal number of controls. Cases were classified according to WHO classification. Serum Ca2+ levels were estimated within 24 hours of admission.Results: Majority of children with dengue were in the age-group of 6-15 years (71.4%). Out of 75 cases,16% were dengue without warning signs, 54.7% dengue with warning signs and 29.3% were severe dengue cases. Mean Ca2+ level (in mmol/l) was 1.2009 (±0.09) among controls and 1.0911 (±0.10) in dengue cases (p=0.0001). Mean Ca2+ level in dengue without warning signs was 1.0950 mmol/l, dengue with warning signs was 1.1088 mmol/l and severe dengue was 1.0559 mmol/l. Mean Ca2+ level in severe dengue was significantly lower compared to dengue with warning signs (p=0.04). Hypocalcemia was seen in 56% of dengue cases but only 14% among controls. Seven children with severe dengue who died had hypocalemia.Conclusions: Hypocalcemia is common in dengue fever. Lower levels of ionic calcium correlate with severity of dengue illness and may be considered as a prognostic indicator of poor outcome.

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