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Multicenter Study
. 2017 Mar;11(2):157-164.
doi: 10.1111/irv.12431. Epub 2016 Dec 30.

Down syndrome as risk factor for respiratory syncytial virus hospitalization: A prospective multicenter epidemiological study

Manuel Sánchez-Luna  1 , Constancio Medrano  2 , Julián Lirio  3 ; RISK-21 Study Group
Collaborators, Affiliations
Multicenter Study

Down syndrome as risk factor for respiratory syncytial virus hospitalization: A prospective multicenter epidemiological study

Manuel Sánchez-Luna et al. Influenza Other Respir Viruses. 2017 Mar.

Abstract

Background: Respiratory syncytial virus (RSV) infection in childhood, particularly in premature infants, is associated with significant morbidity and mortality.

Objectives: To compare the hospitalization rates due to RSV infection and severity of disease between infants with and without Down syndrome (DS) born at term and without other associated risk factors for severe RSV infection.

Patients/methods: In a prospective multicentre epidemiological study, 93 infants were included in the DS cohort and 68 matched by sex and data of birth (±1 week) and were followed up to 1 year of age and during a complete RSV season.

Results: The hospitalization rate for all acute respiratory infection was significantly higher in the DS cohort than in the non-DS cohort (44.1% vs 7.7%, P<.0001). Hospitalizations due to RSV were significantly more frequent in the DH cohort than in the non-DS cohort (9.7% vs 1.5%, P=.03). RSV prophylaxis was recorded in 33 (35.5%) infants with DS. The rate of hospitalization according to presence or absence of RSV immunoprophylaxis was 3.0% vs 15%, respectively.

Conclusions: Infants with DS showed a higher rate of hospitalization due to acute lower respiratory tract infection and RSV infection compared to non-DS infants. Including DS infants in recommendations for immunoprophylaxis of RSV disease should be considered.

Keywords: Down syndrome; hospitalization; palivizumab; prospective birth cohort study; respiratory syncytial virus.

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Figures

Figure 1
Figure 1
Distribution of patients with Down syndrome according to the number of doses of palivizumab received before hospitalization
See this image and copyright information in PMC

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