Listar Articulos Cientificos por autor "Zeña-Ñañez, Sandra"

    • Clinical-epidemiologic variation in patients treated in the first and second wave of COVID-19 in Lambayeque, Peru: A cluster analysis 

      Valladares-Garrido, Mario J.; Failoc-Rojas, Virgilio E.; Soto-Becerra, Percy; Zeña-Ñañez, Sandra; Torres-Roman, J. Smith; Fernández-Mogollón, Jorge L.; Colchado-Palacios, Irina G.; Apolaya-Segura, Carlos E.; Dávila-Gonzales, Jhoni A.; Arce-Villalobos, Laura R.; Neciosup-Puican, Roxana del Pilar; Calvay-Requejo, Alexander G.; Maguiña, Jorge L.; Apolaya-Segura, Moisés; Díaz-Vélez, Cristian (Elsevier Ltd, 2022-07-18)
      Acceso abierto
      "Objectives: To identify differences in the clinical and epidemiologic characteristics of patients during the first and second waves of the COVID-19 pandemic at the EsSalud Lambayeque health care network, Peru. Methods: ...

    • Clinical-epidemiologic variation in patients treated in the first and second wave of COVID-19 in Lambayeque, Peru: A cluster analysis 

      Valladares-Garrido, Mario J.; Failoc-Rojas, Virgilio E.; Soto-Becerra, Percy; Zeña-Ñañez, Sandra; Torres-Roman, J. Smith; Fernández-Mogollón, Jorge L.; Colchado-Palacios, Irina G.; Apolaya-Segura, Carlos E.; Dávila-Gonzales, Jhoni A.; Arce-Villalobos, Laura R.; Neciosup-Puican, Roxana del Pilar; Calvay-Requejo, Alexander G.; Maguiña, Jorge L.; Apolaya-Segura, Moisés; Díaz-Vélez, Cristian (Elsevier Ltd, 2022-07-18)
      Acceso abierto
      "Objectives: To identify differences in the clinical and epidemiologic characteristics of patients during the first and second waves of the COVID-19 pandemic at the EsSalud Lambayeque health care network, Peru. Methods: ...

    • COVID-19 Vaccine Effectiveness at a Referral Hospital in Northern Peru: A Retrospective Cohort Study 

      Valladares-Garrido, v; Zeña-Ñañez, Sandra; Peralta, C Ichiro; Puicón-Suárez, Jacqueline B; Díaz-Vélez, Cristian; Failoc-Rojas, Virgilio E (MDPI, 2022-05-20)
      Acceso abierto
      COVID-19 vaccines have achieved a significant reduction in mortality, yet objective estimates are needed in specific settings. We aimed to determine the effectiveness of COVID-19 vaccination at a referral hospital in ...

    • COVID-19 Vaccine Effectiveness at a Referral Hospital in Northern Peru: A Retrospective Cohort Study 

      Valladares-Garrido, v; Zeña-Ñañez, Sandra; Peralta, C Ichiro; Puicón-Suárez, Jacqueline B; Díaz-Vélez, Cristian; Failoc-Rojas, Virgilio E (MDPI, 2022-05-20)
      Acceso abierto
      COVID-19 vaccines have achieved a significant reduction in mortality, yet objective estimates are needed in specific settings. We aimed to determine the effectiveness of COVID-19 vaccination at a referral hospital in ...

    • Factores asociados a crisis convulsiva febril en niños peruanos 

      Pantoja-Costa, Ivan M.; Quiñones-Tafur, Tracy Y.; Sosa-Flores, Jorge L.; Peralta,C. Ichiro; Zeña-Ñañez, Sandra; Valladares-Garrido, Mario J. (Editorial Ciencias Medicas, 2022-07-22)
      Acceso abierto
      "Introducción: La convulsión febril es el trastorno neurológico más frecuente en la infancia y el más común en la práctica neurológica pediátrica. Tiene una etiología multifactorial. En el Perú existen estudios aislados ...

    • Prevalence and Factors Associated with Anxiety and Depression in Peruvian Medical Students 

      Piscoya-Tenorio, Jorge L.; Heredia-Rioja, Walter V.; Morocho-Alburqueque, Noelia; Zeña-Ñañez, Sandra; Hernández-Yépez, Palmer J.; Díaz-Vélez, Cristian; Failoc-Rojas, Virgilo E.; Valladares-Garrido, Mario J. (MDPI, 2022-02-07)
      Acceso abierto
      ": During medical training, students are exposed to stressors that deteriorate mental health. This study determined depression and anxiety prevalence and their associated factors in students from four medical schools in ...