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Factores de riesgo asociados a mortalidad por nueva influenza A (H1N1) en la región Cusco-Perú / Risk factors associated to mortality by novel Influenza A (H1N1) in Cusco-Peru
Grajeda Annca, Pablo F; Niño de Guzmán, Oscar Filipo; Montoya Lizarraga, Manuel; Guevara Fernández, Yuri.
  • Grajeda Annca, Pablo F; Universidad Nacional San Antonio Abad del Cusco. Cusco. PE
  • Niño de Guzmán, Oscar Filipo; Universidad Nacional San Antonio Abad del Cusco. Cusco. PE
  • Montoya Lizarraga, Manuel; Universidad Nacional San Antonio Abad del Cusco. Cusco. PE
  • Guevara Fernández, Yuri; Universidad Nacional San Antonio Abad del Cusco. Cusco. PE
Acta méd. peru ; 30(4): 97-104, oct.-dic. 2013. ilus, graf, mapas, tab
Article in Spanish | LILACS, LIPECS | ID: lil-702434
RESUMEN

Introducción:

En la Región Cusco durante el 2009, se reportaron 395 casos confirmados de nueva influenza A(H1N1) y 15 defunciones. La tasa de letalidad del 3.8%, estuvo muy por encima de reportes nacionales e internacionales, constituyéndose en serio problema de salud pública.

Objetivo:

Determinar los factores de riesgo asociados a mortalidad por nueva influenza A(H1N1). Material y

metodo:

Se realizo un estudio de Casos y Controles en 3 Hospitales de la ciudad del Cusco, entre las Semanas Epidemiológicas 18-34, 2009. Se identificaron 15 casos y 45 controles confirmados por PCRtr. Considerándose “caso” todo caso confirmado de nueva influenza A(H1N1), hospitalizado y fallecido y “control”, todo caso confirmado de nueva influenza A(H1N1), hospitalizado y dado de alta vivo.

Resultados:

De 24 factores de riesgo asociados a mortalidad por Nueva influenza A(H1N1) estudiados, se identificaron los siguientes Tiempo de inicio de tratamiento antiviral mayor de 3 días (p=0.001); tiempo de terapia corticoide mayor de 5 días (p=0.00001); tiempo de (p=0.0003) hospitalización mayor de 7 días (p=0.0003); tiempo de terapia antibiótica mayor de 10 días (p=0.0001); tiempo de medidas de soporte mayor de 10 días (p=0.001); compromiso de conciencia moderadograve según Score APACHE II (p=0.0000000); hipertensión arterial (p=0.001); anemia (p=0.01); hipokalemia (p=0.01); hipoxia (p=0.0005) y leucocitosis (p=0.01). El análisis de regresión logística mostró que un sujeto incluido en el estudio con terapia antibiótica mayor de 10 días (p<0.007), tiempo de terapia corticoide mayor de 5 días (p<0.05) e inicio del tratamiento antiviral mayor de 3 días (p<0.05) tuvo elevada probabilidad de morir del 84%...
ABSTRACT

Introduction:

395 confirmed cases of new influenza A (H1N1) cases and 15 deaths were reported in the Cusco Region during 2009. The case fatality rate of 3.8%, was well above national and international reports, becoming serious public health problem.

Objective:

To determine the risk factors associated with mortality novel influenza A (H1N1). Material and

methods:

a study of cases and controls was conducted in 3 hospitals in the city of Cusco, between Epidemiological Weeks 18-34, 2009. 15 confirmed cases and 45 controls were identified PCRtr. Considering "case" all confirmed case of novel influenza A (H1N1) hospitalized and died and "control" means a confirmed case of novel influenza A (H1N1) hospitalized and discharged alive.

Results:

Of 24 risk factors associated with mortality from New influenza A (H1N1) studied, the following were identified start time greater antiviral treatment of 3 days (p = 0.001), while higher corticosteroid therapy 5 days (p = 0.00001), time (p = 0.0003) increased hospitalization of 7 days (p = 0.0003), time of antibiotic therapy greater than 10 days (p = 0.0001), time measures more support 10 days (p = 0.001) , moderate to severe commitment consciousness as APACHE II Score (p = 0.0000000), hypertension (p = 0.001), anemia (p = 0.01), hypokalemia (p = 0.01), hypoxia (p = 0.0005) and leukocytosis (p = 0.01). The logistic regression analysis showed that a subject included in the study more than 10 days antibiotic therapy (p <0.007), while higher corticosteroid therapy 5 days (p <0.05) and initiation of antiviral treatment more than 3 days (p <0.05) had high probability of death of 84%...
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Influenza A virus / Risk Management / Risk Factors / Mortality / Influenza, Human / Influenza A Virus, H1N1 Subtype / Influenza in Birds Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Female / Humans / Male Country/Region as subject: South America / Peru Language: Spanish Journal: Acta méd. peru Year: 2013 Type: Article Institution/Affiliation country: Universidad Nacional San Antonio Abad del Cusco/PE

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Full text: Available Index: LILACS (Americas) Main subject: Influenza A virus / Risk Management / Risk Factors / Mortality / Influenza, Human / Influenza A Virus, H1N1 Subtype / Influenza in Birds Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Female / Humans / Male Country/Region as subject: South America / Peru Language: Spanish Journal: Acta méd. peru Year: 2013 Type: Article Institution/Affiliation country: Universidad Nacional San Antonio Abad del Cusco/PE