Citas bibligráficas
Rosales, P., Mendoza, P. (2017). Circulating Dengue virus serotypes and clinical characteristics in patients with Acute Febrile Illness from Piura, Peru [Tesis, Universidad Peruana de Ciencias Aplicadas (UPC)]. http://hdl.handle.net/10757/621153
Rosales, P., Mendoza, P. Circulating Dengue virus serotypes and clinical characteristics in patients with Acute Febrile Illness from Piura, Peru [Tesis]. PE: Universidad Peruana de Ciencias Aplicadas (UPC); 2017. http://hdl.handle.net/10757/621153
@misc{renati/364972,
title = "Circulating Dengue virus serotypes and clinical characteristics in patients with Acute Febrile Illness from Piura, Peru",
author = "Mendoza Nuñez, Pamela",
publisher = "Universidad Peruana de Ciencias Aplicadas (UPC)",
year = "2017"
}
ABSTRACT Background: Dengue infections are a major health problem and there is an increasing necessity to strength its epidemiological surveillance in Peru due to the low laboratory-confirmation rate (<50%). Aim: To assess the frequency of Dengue virus (DENV) serotypes and describe its clinical and epidemiological presentation in patients from Piura, an endemic area in northern Peru. Methodology: A total of 213 serum samples from eight health care centers were studied for the presence of DENV via RT-PCR, NS1 antigen and IgM antibodies from March to August 2016. PCR positive samples were sent for commercial sequencing and serotype 1 to 4 identification. Physicians used a standardized questionnaire to collect the demographic and clinical symptoms information. Results: Dengue virus RNA was detected in 28.64% (61/213) of the samples via qPCR. For the anti-Dengue antibody tests, the NS1 antigen was detected in 30.52% (65/213) and IgM antibodies were found in 9.39% (20/213) of patients. DENV-2 was the most predominant serotype in 60.65% (37/61) of cases; DENV-3 was found only found in one sample and 37.70% (23/61) could not be characterized for any serotype; no DENV-1 or DENV-4 serotypes were found. The most common symptoms associated with fever were: Headache (96.72%), muscle pain (86.89%), joint pain (83.61%), low appetite (73.77%) and retro-orbital pain (72.13%). Conclusions: DENV-2 is currently a predominant serotype in Piura, Peru. In patients with PCR positive samples only low back pain (p=0.008) is statistically significant. Further investigations should be conducted to assess the use of RT-PCR as a reliable method for DENV detection as well as for serotype surveillance in Peru.
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