Objective: We conducted this study to review deaths due to dengue fever (DF) during a large outbreak of DF in Lahore, Pakistan.
Methods: We reviewed deaths due to DF at Jinnah Hospital Lahore between August and November 2011. Clinical and laboratory data were abstracted. The 2011 World Health Organization Regional Office for South-East Asia (WHO SEARO) guidelines were used to classify the disease.
Results: Out of 128,634 probable DF patients who visited the outpatient department, 2313 patients were hospitalized; 1699 (73.3%) were male. RT-PCR was positive in 92 of 114 hospitalized patients (DENV-2 in 91 patients and DENV-3 in 1 patient). Sixty dengue-related deaths were reported; 41 (68.3%) were male. The mean age (± standard deviation) was 44 (± 20.5) y. The diagnosis at the time of presentation was DF in 5 (8.3%), dengue haemorrhagic fever without shock in 16 (26.6%), dengue shock syndrome in 20 (33%), and expanded dengue syndrome in 19 (31.7%) patients. Expanded dengue syndrome included encephalopathy in 12 (20%) patients, intracerebral bleed in 3 (5%), multiorgan failure in 3 (5%), and Guillain-Barré syndrome in 1 (1.6%). Twenty-nine (48.3%) patients had at least 1 comorbidity.
Conclusion: Dengue shock syndrome and expanded dengue syndrome were the most common causes of death.
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http://dx.doi.org/10.3109/00365548.2013.877155 | DOI Listing |
J Med Entomol
December 2024
Department of Biological Sciences, The University of Texas at El Paso, El Paso, TX, USA.
The mosquito species Aedes aegypti (Linneaus) is the vector of multiple arboviruses, including dengue, Chikungunya, Zika, and yellow fever. Risk of infections associated with these arboviruses continues to expand as the geographical range of Ae. aegypti extends into temperate regions.
View Article and Find Full Text PDFSheng Wu Gong Cheng Xue Bao
December 2024
CAS Key Laboratory of Pathogenic Microbiology & Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.
Dengue fever is a mosquito-borne disease prevalent in tropical and subtropical regions, with its prevalence expanding due to increased global travel. The dengue virus, the causative agent of dengue fever, often co-circulates in the form of four distinct serotypes. Cross-reactive antibodies generated during a primary infection pose a significant risk during secondary infections with different serotypes, and fully protective vaccines and antiviral drugs are yet to be developed.
View Article and Find Full Text PDFmedRxiv
December 2024
Department of Biology, Stanford University, Stanford, CA, USA.
Background: Households (HH) have been traditionally described as the main environments where people are at risk of dengue (and other arbovirus) infection. Mounting entomological evidence has suggested a larger role of environments other than HH in transmission. Recently, an agent-based model (ABM) estimated that over half of infections occur in non-household (NH) environments like workplaces, markets, and recreational sites.
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