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 56,091 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Clinical and serological studies were carried out on 114 patients admitted to hospital in Havana, Cuba with Dengue Haemorrhagic Fever and Dengue Shock Syndrome (DHF/DSS). Serological confirmation of dengue was obtained in 90% of cases, with 5% of cases primary and 95% secondary. Fever, haemorrhagic manifestations, vomiting and headache were the most frequent signs and symptoms. Among haemorrhagic manifestations, petechiae and vaginal bleeding were reported in a larger number of patients. 21 patients presented shock and, of these, 20 were secondary infections. The disease appeared more frequently in white persons and in women. The aetiopathogenicity of the syndromes is discussed. 95% of the cases could be explained on the basis of the secondary infection hypothesis.
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PMID:Dengue haemorrhagic fever in Cuba. II. Clinical investigations. 646 14

Dengue is an acute viral disease caused by any of the four dengue virus serotypes (DEN-1, DEN-2, DEN-3, and DEN-4). The principal mosquito vector is Aedes aegypti, which has a worldwide distribution in tropical and many subtropical areas. All four virus serotypes produce a similar illness characterized by fever, headache, myalgias, arthralgias, rash, nausea and vomiting and induce life-long immunity that is specific to the infecting serotype. A small proportion of infected persons may develop the severe form of disease, dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS), but with early diagnosis and proper supportive management, fatality rates may be <1%. This report summarizes an epidemic of dengue in Puerto Rico in 1998 associated with multiple dengue serotypes.
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PMID:Dengue outbreak associated with multiple serotypes--Puerto Rico, 1998. 983 72

A retrospective study was conducted among patients with dengue infection admitted to Rayong Hospital during September 2004-September 2005. Data were collected from medical charts and outpatient records created when the patients came to the hospital. Of the patients diagnosed with dengue, only 301 who met the WHO criteria for dengue fever and DHF/DSS were selected. The study cohort was comprised of 147 children (76 males, 71 females) and 154 adults (71 males, 83 females), with an overall mean age of 17.6 years. Some adult clinical symptoms were different from the children. Headache and myalgia were more common among adults (p < 0.05), but cough, vomiting, abdominal pain, and rash were more common among children (p < 0.05). Among the major bleeding symptoms, epistaxis (nasal bleeding) was more common in children (p = 0.012) and gum bleeding was more common in adults (p < 0.001). Myalgia was more likely in less severe grades of infection. Adults showed some different clinical manifestations of dengue infection from children. It is necessary for health personnel to take these differences into consideration when seeing probable cases of dengue infection.
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PMID:Clinical features and differences between child and adult dengue infections in Rayong Province, southeast Thailand. 1856 10

The present work is a prospective, observational, hospital based study on 100 sero positive cases of dengue infection, admitted to Dhaka Children Hospital, Dhaka, Bangladesh during the period 2000 -2001. The patients were in the age group 8 months to 14 years with a mean age of 8.3 years. The serological tests were performed by rapid strip test. Primary dengue infection (only Ig M positive) was observed in 15% cases while rest 85% were secondary dengue infection (either Ig G or both Ig M and Ig G positive). Classical dengue fever (DF) was noted in 11% patients and 89% children presented with dengue hemorrhagic fever / dengue shock syndrome (DHF / DSS). Common clinical presentations were fever, headache, retro- orbital pain, arthralgia / bone pain, vomiting, abdominal pain and bleeding manifestations. Other presentations were tachycardia, bradycardia, hypotension, hepatomegaly, splenomegaly, pleural effusion, ascites, thrombocytopenia and high hematocrit values. The incidences of tachycardia, hypotension, hepatomegaly, high hematocrit and thrombocytopenia were significantly higher in DHF / DSS cases. The tourniquet test was positive in significantly higher percentage of DF cases. The tourniquet test and thrombocytopenia did not correlate well with other bleeding manifestations suggesting alternate pathogenesis for bleeding. In an epidemic setting, if a child presents with fever, vomiting, musculoskeletal pain and bleeding along with hepatomegaly, low platelet count and high hematocrit, a strong possibility of DHF/ DSS should be kept.
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PMID:Clinical and laboratory profile of dengue infection in children. 1860 66

Epidemics of Dengue fever (DF) and Dengue hemorrhagic fever (DHF) are common in Southeast Asia. DF is defined & classified according to WHO criteria. Variable clinical manifestations of DF & DHF have been described in earlier studies. But some patients present with unusual clinical features and clinical profile not classifiable according to the present WHO criteria. Some of these complications if not recognized early and treated properly can even prove fatal. So this study was done to describe various clinical features in Dengue fever with special emphasis on unusual manifestations. This study was conducted at University College of Medical Sciences and associated Guru Teg Bahadur hospital; a tertiary care hospital, located in East Delhi in India. It was a retrospective study of 76 patients of probable DF; including 4 cases of DHF (according to WHO classification); 60 males & 16 females above 12 years of age admitted in medical wards of Guru Teg Bahadur hospital in an outbreak of DF which occurred during September-December 2009. The data obtained was analyzed to see clinical and laboratory profile of DF/DHF with special emphasis on unusual manifestations. The mean age of the patients was 28 +/- 9.6 years. Fever was present in all the cases with an average duration of fever being 5.47 +/- 2.2 days with body ache, (84.2%), vomiting (61.8%), abdominal pain (51.3%) and headache (19.7%) being the other presenting complaints. Hemorrhagic manifestations in the form of gum bleeding and epistaxis (35.5%), positive tourniquet test (27.6%); skin rashes (15.8%), melena (15.8%) and hematemesis (5.26%) were also present. In our study a fair no of patients presented with unusual symptoms like pain in abdomen 39 (51.3%), nausea 32 (42.1%), & vomiting 47 (61.8%), which is higher than that reported previous outbreak. Of the 39 patients who presented with abdominal pain; ultrasonography of abdomen was done in 25 patients. Fifteen (38%) of these were found to have acalculous cholecystitis. Amongst the known manifestations of DF, abdominal pain has been well described, but acalculous cholecystitis as a cause of abdominal pain is scantly reported. Another unusual manifestation was the presentation of patients (7.89%) in circulatory failure without the evidence of plasma leakage and not fulfilling all the criterion proposed by WHO for DHF/DSS. All of the above patients had very low platelet counts & tourniquet test was positive in all these six patients. Hepatomegaly and splenomegaly were observed in 34.2% and 7.89% of cases, respectively. Renal dysfunction was observed in 13.1% of cases. Laboratory investigations revealed thrombocytopenia (with a platelet count of < 100,000/microl) in all cases. Leucopenia (WBC < 4,000/mm2) and Hemoconcentration (Hct > 20% of expected for age and sex) were found in 38% and 5.26% of the cases, respectively. Results of our study indicate that apart from usual manifestations, sometimes unusual but clinically extremely important manifestations can occur which if not detected early can prove fatal. So a vigilant and timely approach is warranted.
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PMID:Unusual manifestations in dengue outbreak 2009, Delhi, India. 2247 Nov 94

This retrospective study was conducted to assess the differences in clinical features between children and adults with dengue hemorrhagic fever/ dengue shock syndrome (DHF/DSS) admitted to Ratchaburi Hospital, Ratchaburi Province, Thailand. A total of 273 patients with DHF/DSS admitted to Ratchaburi Hospital during January 2007 to May 2008 were included in the study. The median age (range) of studied subjects was 16 years (6 months to 62 years) and the ratio of adults to children was 1.6:1. Forty-eight percent of subjects were 16-30 years old. The common signs, symptoms and clinical features were: nausea/vomiting (74.0%), a positive tourniquet test (73.0%), anorexia (67.0%), hemoconcentration (58.0%), headache (54.0%), abdominal tenderness (43.0%), myalgia (39.0%) and pleural effusion (20.0%). Children had anorexia, a positive tourniquet test, abdominal tenderness and a convalescent rash more frequently than adults. Children also had significantly more prominent plasma leakage as shown by lower serum albumin and sodium and a higher prevalence of pleural effusion, ascites and shock. Although not statistically significant, the prevalence of bleeding in children was higher than in adults but more adults needed blood transfusion. This study provides additional insight into the clinical picture of DHF/DSS in adults and children and may be beneficial for clinicians caring for these adults and children.
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PMID:Differences in clinical features between children and adults with dengue hemorrhagic fever/dengue shock syndrome. 2443 12