Características clínicas, epidemiológicas y perfil de laboratorio de pacientes con infección por dengue en el Hospital Nacional Daniel Alcides Carrión de Callao durante el brote epidémico de 2023.

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Title: Características clínicas, epidemiológicas y perfil de laboratorio de pacientes con infección por dengue en el Hospital Nacional Daniel Alcides Carrión de Callao durante el brote epidémico de 2023.
Alternate Title: Clinical, epidemiological, and laboratory characteristics of patients with dengue fever at Hospital Nacional Daniel Alcides Carrión in Callao during the 2023 epidemic outbreak.
Authors: Gonzales Caytuiro, Bernard Enmanuel1 b.enmanuel.gonzales@gmail.com, Córdova Arcaya, Diego Andrés1, Olano Ugás, Alex Fernando1, Mendocilla García, Silvia Myriam1, Contreras Camarena, Carlos Walter2
Source: Revista Horizonte Médico. ene-mar2026, Vol. 26 Issue 1, p1-7. 7p.
Abstract (English): Objective: To describe the clinical, epidemiological, and laboratory characteristics of patients diagnosed with dengue fever upon admission to Hospital Nacional Daniel Alcides Carrión in Callao during the 2023 outbreak. Materials and methods: An observational, descriptive, cross-sectional study was conducted. Patients admitted through the Emergency Department with a confirmed diagnosis of dengue by serologic or molecular testing were included. Demographic data, clinical manifestations, and laboratory results recorded at admission were collected. Clinical severity was classified as dengue without warning signs, dengue with warning signs, or severe dengue at discharge. Associations between clinical and laboratory parameters and the degree of severity were evaluated using nonparametric statistical tests. Results: A total of 123 patients with a mean age of 31.5 years were analyzed; 59.3% were female. The most frequent symptoms were fever (89.4%), malaise (61.8%), and nausea/vomiting (51.2%). The mean platelet count was 129,102/μL, with more pronounced thrombocytopenia observed in severe cases. The presence of reactive lymphocytes on peripheral blood smear was more frequent among patients with dengue with warning signs and severe dengue (p < 0.05). A trend toward elevated transaminase and creatinine levels was observed with increasing clinical severity. Conclusions: This study represents one of the first systematic descriptions of the dengue outbreak in Callao in the context of the Coastal El Niño phenomenon. The findings suggest that the presence of reactive lymphocytes on peripheral blood smear may serve as a useful and low-cost hematological marker to identify patients at risk of clinical progression, particularly in resource-limited settings. The likelihood of new outbreaks in the coming years remains high due to climate change; in this context, secondary dengue infections may increase the frequency of severe disease forms in future outbreaks. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): Objetivo: Describir las características clínicas, epidemiológicas y de laboratorio de pacientes con diagnóstico de dengue al ingreso en el Hospital Nacional Daniel Alcides Carrión de Callao durante el brote de 2023. Materiales y métodos: Se realizó un estudio observacional, descriptivo y transversal en el que se incluyó a pacientes que ingresaron por el Servicio de Emergencia y con diagnóstico confirmado de dengue. La verificación se efectuó mediante pruebas serológicas o moleculares. Se recopilaron variables demográficas, manifestaciones clínicas y resultados de laboratorio que se registraron al ingreso. La severidad clínica, al momento del alta, se clasificó en dengue sin signos de alarma, con signos de alarma y dengue grave. Se evaluaron asociaciones entre los parámetros clínicos y laboratoriales con el grado de severidad mediante pruebas no paramétricas. Resultados: Se analizaron 123 pacientes, con una edad media de 31,5 años; 59,3% fueron mujeres. Los síntomas más frecuentes fueron fiebre (89,4%), malestar general (61,8%), náuseas y/o vómitos (51,2%). El recuento plaquetario promedio fue de 129,102/μL y se observó una trombocitopenia más acentuada en los casos graves. La presencia de linfocitos reactivos en la lámina periférica fue más frecuente en pacientes con signos de alarma y dengue grave (p < 0,05). Se identificó una tendencia a la elevación de transaminasas y creatinina según la progresión de la severidad clínica. Conclusiones: Este trabajo constituye una de las primeras descripciones sistemáticas del brote de dengue en Callao en el contexto del fenómeno de El Niño Costero. Los resultados sugieren que la presencia de linfocitos reactivos en la lámina periférica podría constituir un marcador hematológico útil y de bajo costo para identificar pacientes en riesgo de progresión clínica, especialmente en entornos con limitaciones diagnósticas. La probabilidad de nuevos brotes en los próximos años es alta debido al cambio climático. En este escenario, la ocurrencia de segundas infecciones podría incrementar la frecuencia de formas graves de la enfermedad en brotes futuros. [ABSTRACT FROM AUTHOR]
Copyright of Revista Horizonte Médico is the property of Universidad de San Martin de Porres and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Caracter&#237;sticas cl&#237;nicas, epidemiol&#243;gicas y perfil de laboratorio de pacientes con infecci&#243;n por dengue en el Hospital Nacional Daniel Alcides Carri&#243;n de Callao durante el brote epid&#233;mico de 2023.
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  Data: Clinical, epidemiological, and laboratory characteristics of patients with dengue fever at Hospital Nacional Daniel Alcides Carri&#243;n in Callao during the 2023 epidemic outbreak.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Gonzales+Caytuiro%2C+Bernard+Enmanuel%22&quot;&gt;Gonzales Caytuiro, Bernard Enmanuel&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;i&gt; b.enmanuel.gonzales@gmail.com&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22C&#243;rdova+Arcaya%2C+Diego+Andr&#233;s%22&quot;&gt;C&#243;rdova Arcaya, Diego Andr&#233;s&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Olano+Ug&#225;s%2C+Alex+Fernando%22&quot;&gt;Olano Ug&#225;s, Alex Fernando&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Mendocilla+Garc&#237;a%2C+Silvia+Myriam%22&quot;&gt;Mendocilla Garc&#237;a, Silvia Myriam&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Contreras+Camarena%2C+Carlos+Walter%22&quot;&gt;Contreras Camarena, Carlos Walter&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt;
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Revista+Horizonte+M&#233;dico%22&quot;&gt;Revista Horizonte M&#233;dico&lt;/searchLink&gt;. ene-mar2026, Vol. 26 Issue 1, p1-7. 7p.
– Name: Abstract
  Label: Abstract (English)
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  Data: Objective: To describe the clinical, epidemiological, and laboratory characteristics of patients diagnosed with dengue fever upon admission to Hospital Nacional Daniel Alcides Carri&#243;n in Callao during the 2023 outbreak. Materials and methods: An observational, descriptive, cross-sectional study was conducted. Patients admitted through the Emergency Department with a confirmed diagnosis of dengue by serologic or molecular testing were included. Demographic data, clinical manifestations, and laboratory results recorded at admission were collected. Clinical severity was classified as dengue without warning signs, dengue with warning signs, or severe dengue at discharge. Associations between clinical and laboratory parameters and the degree of severity were evaluated using nonparametric statistical tests. Results: A total of 123 patients with a mean age of 31.5 years were analyzed; 59.3% were female. The most frequent symptoms were fever (89.4%), malaise (61.8%), and nausea/vomiting (51.2%). The mean platelet count was 129,102/μL, with more pronounced thrombocytopenia observed in severe cases. The presence of reactive lymphocytes on peripheral blood smear was more frequent among patients with dengue with warning signs and severe dengue (p &lt; 0.05). A trend toward elevated transaminase and creatinine levels was observed with increasing clinical severity. Conclusions: This study represents one of the first systematic descriptions of the dengue outbreak in Callao in the context of the Coastal El Ni&#241;o phenomenon. The findings suggest that the presence of reactive lymphocytes on peripheral blood smear may serve as a useful and low-cost hematological marker to identify patients at risk of clinical progression, particularly in resource-limited settings. The likelihood of new outbreaks in the coming years remains high due to climate change; in this context, secondary dengue infections may increase the frequency of severe disease forms in future outbreaks. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Spanish)
  Group: Ab
  Data: Objetivo: Describir las caracter&#237;sticas cl&#237;nicas, epidemiol&#243;gicas y de laboratorio de pacientes con diagn&#243;stico de dengue al ingreso en el Hospital Nacional Daniel Alcides Carri&#243;n de Callao durante el brote de 2023. Materiales y m&#233;todos: Se realiz&#243; un estudio observacional, descriptivo y transversal en el que se incluy&#243; a pacientes que ingresaron por el Servicio de Emergencia y con diagn&#243;stico confirmado de dengue. La verificaci&#243;n se efectu&#243; mediante pruebas serol&#243;gicas o moleculares. Se recopilaron variables demogr&#225;ficas, manifestaciones cl&#237;nicas y resultados de laboratorio que se registraron al ingreso. La severidad cl&#237;nica, al momento del alta, se clasific&#243; en dengue sin signos de alarma, con signos de alarma y dengue grave. Se evaluaron asociaciones entre los par&#225;metros cl&#237;nicos y laboratoriales con el grado de severidad mediante pruebas no param&#233;tricas. Resultados: Se analizaron 123 pacientes, con una edad media de 31,5 a&#241;os; 59,3% fueron mujeres. Los s&#237;ntomas m&#225;s frecuentes fueron fiebre (89,4%), malestar general (61,8%), n&#225;useas y/o v&#243;mitos (51,2%). El recuento plaquetario promedio fue de 129,102/μL y se observ&#243; una trombocitopenia m&#225;s acentuada en los casos graves. La presencia de linfocitos reactivos en la l&#225;mina perif&#233;rica fue m&#225;s frecuente en pacientes con signos de alarma y dengue grave (p &lt; 0,05). Se identific&#243; una tendencia a la elevaci&#243;n de transaminasas y creatinina seg&#250;n la progresi&#243;n de la severidad cl&#237;nica. Conclusiones: Este trabajo constituye una de las primeras descripciones sistem&#225;ticas del brote de dengue en Callao en el contexto del fen&#243;meno de El Ni&#241;o Costero. Los resultados sugieren que la presencia de linfocitos reactivos en la l&#225;mina perif&#233;rica podr&#237;a constituir un marcador hematol&#243;gico &#250;til y de bajo costo para identificar pacientes en riesgo de progresi&#243;n cl&#237;nica, especialmente en entornos con limitaciones diagn&#243;sticas. La probabilidad de nuevos brotes en los pr&#243;ximos a&#241;os es alta debido al cambio clim&#225;tico. En este escenario, la ocurrencia de segundas infecciones podr&#237;a incrementar la frecuencia de formas graves de la enfermedad en brotes futuros. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Revista Horizonte M&#233;dico is the property of Universidad de San Martin de Porres and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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