Pandemic H1N1 influenza‐associated hospitalizations in children in Madrid, Spain

Please cite this paper as: del Rosal et al. (2011) Pandemic H1N1 influenza‐associated hospitalizations in children in Madrid, Spain. Influenza and Other Respiratory Viruses 5(6), e544–e551. Objective  To describe the epidemiological and clinical characteristics of children hospitalized with 2009 pan...

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Published in:Influenza and other respiratory viruses 2011-11, Vol.5 (6), p.e544-e551
Main Authors: del Rosal, Teresa, Baquero‐Artigao, Fernando, Calvo, Cristina, Mellado, María J., Molina, Juan C., Santos, María del Mar, Cilleruelo, María J., Bueno, Mercedes, Storch de Gracia, Pilar, Terol, Covadonga, Roa, Miguel Á., Piñeiro, Roi, García López‐Hortelano, Milagros, García‐García, María L., Rodríguez, Sonia, Penín, María, Zarauza, Alejandro, Alvarado, Francisco, de Blas, Ana, Otheo, Enrique, Rodríguez, Alfonso, Herreros, María L., Tagarro, Alfredo, Grande, Luis, Ramos, José T., Maté, Irene, Muñoz, Cristina, Zafra, Miguel Á., Romero‐Gómez, María P., Pérez‐Fernández, Elia, Delgado, Alberto, Casas, Inmaculada, Cabezas, María E.
Format: Article
Language:English
Subjects:
2009 pandemic influenza A (H1N1)
Adolescent
Age
Asthma
Blood
Cardiovascular disease
Chest
Child
Child, Preschool
Children
Confidence intervals
Cystic fibrosis
Demographics
Diabetes
Epidemiology
Fatalities
Female
Fever
Health risks
Hospitalization
Hospitalization - statistics & numerical data
hospitalizations
Hospitals
Humans
Immunosuppression
Infant
Influenza
Influenza A Virus, H1N1 Subtype - genetics
Influenza A Virus, H1N1 Subtype - isolation & purification
Influenza A Virus, H1N1 Subtype - physiology
Influenza, Human - complications
Influenza, Human - epidemiology
Influenza, Human - virology
Intensive care
Intensive Care Units, Pediatric - statistics & numerical data
Invasiveness
Laboratories
Leukemia
Lung diseases
Male
Mechanical ventilation
Neurological diseases
Neuromuscular diseases
Obesity
Original
Pandemics
Patients
pediatric influenza
Pediatrics
pH1N1
Pneumonia
Polymerase chain reaction
Respiratory diseases
Retrospective Studies
Risk analysis
Risk factors
Solid tumors
Spain - epidemiology
Streptococcus infections
Swine flu
Ventilation
Viruses
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Summary:Please cite this paper as: del Rosal et al. (2011) Pandemic H1N1 influenza‐associated hospitalizations in children in Madrid, Spain. Influenza and Other Respiratory Viruses 5(6), e544–e551. Objective  To describe the epidemiological and clinical characteristics of children hospitalized with 2009 pandemic influenza (pH1N1) in Madrid, Spain. Patients/Methods  We included patients less than 14 years of age admitted to one of 18 hospitals in Madrid, Spain, between May 1 and November 30, 2009 and diagnosed with pH1N1 by polymerase chain reaction. A retrospective chart review was conducted and data were compared by age, presence of high‐risk medical conditions, and pediatric intensive care unit (PICU) admission. Results  A total of 517 pH1N1 cases were included for final analysis. One hundred and forty‐two patients (27·5%) had predisposing underlying illnesses, with immunosuppression (36 children, 7%) and moderate persistent asthma (34, 6·6%) being the most common ones. Patients with underlying medical conditions had longer hospital stays [median 5, interquartile range (IQR) 3–8 days, versus median 4, IQR 3–6, P 
ISSN:1750-2640
1750-2659
DOI:10.1111/j.1750-2659.2011.00272.x