Viral epidemiology of respiratory infections among
                    children at a tertiary hospital in Southern Brazil

de-Paris, Fernanda; Beck, Caroline; Pires, Márcia Rosane; Santos, Rodrigo Pires dos; Kuchenbecker, Ricardo de Souza; Barth, Afonso Luis

doi:10.1590/0037-8682-0080-2013

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Sumário

Short Communications • Rev. Soc. Bras. Med. Trop. 47 (2) • Mar-Apr 2014 • https://doi.org/10.1590/0037-8682-0080-2013 copy

Viral epidemiology of respiratory infections among children at a tertiary hospital in Southern Brazil

Authorship SCIMAGO INSTITUTIONS RANKINGS

Introduction

This study reports the pediatric epidemiology of respiratory syncytial virus (RSV), influenza (IF), parainfluenza (PIV), and adenovirus (ADV) at Hospital de Clínicas de Porto Alegre.

Methods

Cases of infection, hospitalizations in intensive care units (ICUs), nosocomial infections, and lethality rates were collected from 2007 to 2010.

Results

RSV accounted for most nosocomial infections. Intensive care units admission rates for ADV and RSV infections were highest in 2007 and 2010. During 2008-2009, H1N1 and ADV had the highest ICU admission rates. ADV had the highest fatality rate during 2007-2009.

Conclusions

Each virus exhibited distinct behavior, causing hospitalization, outbreaks, or lethality.

Respiratory viruses; Pediatric patients; Influenza A (H1N1) virus

Human respiratory syncytial virus	2007	2008	2009	2010
Human Adenovirus
N	14	12	14	18
A	8	10	9	14
%	57.1	83.3	64.3	77.8
ICU	2	2	2	2
%	14.3	16.6	14.3	11.1
Influenza virus
N	25	20	105	6
A	5	11	50	4
%	20.0	55.0	47.6	66.7
ICU	2	4	5	0
%	8.0	20.0	4.8	0.0
Influenza A (H1N1) virus
N	-	-	28	-
A	-	-	18	-
%	-	-	64.3	-
ICU	-	-	7	-
%	-	-	25.0	-
Parainfluenza viruses
N	68	136	105	98
A	23	34	67	60
%	33.8	25	63.8	61.2
ICU	5	7	5	2
%	7.3	5.1	4.8	2.0
Human respiratory syncytial virus
N	201	296	264	307
A	119	168	157	259
%	59.2	56.7	59.5	84.4
ICU	32	38	25	33
%	15.9	12.8	9.5	10.7

Years	Nosocomial infections^* * nosocomial infection rates were calculated as the percentage of nosocomial infections caused by each virus/total number of viral nosocomial infections x 100.
Years	ADV (%)	IF (%)	H1N1 (%)	PIV (%)	RSV (%)
2007	11.0	0.0	0.0	7.0	81.5
2008	12.0	2.0	0.0	24.5	61.0
2009	1.4	29.0	4.0	27.5	37.7
2010	4.6	2.0	0.0	39.5	53.5

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[1] CONFLICT OF INTEREST The authors declare that there is no conflict of interest.