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Title: An update of paediatric intussusception incidence in Singapore: 1997-2007, 11 Years of intussusception surveillance
Authors: Tan, N.
Teoh, Y.-L.
Phua, K.-B.
Quak, S.-H. 
Lee, B.-W. 
Teo, H.J.E.L.
Jacobsen, A.
Boudville, I.C.
Ng, T.
Verstraeten, T.
Bock, H.L.
Keywords: Epidemiology
Issue Date: Aug-2009
Citation: Tan, N.,Teoh, Y.-L.,Phua, K.-B.,Quak, S.-H.,Lee, B.-W.,Teo, H.J.E.L.,Jacobsen, A.,Boudville, I.C.,Ng, T.,Verstraeten, T.,Bock, H.L. (2009-08). An update of paediatric intussusception incidence in Singapore: 1997-2007, 11 Years of intussusception surveillance. Annals of the Academy of Medicine Singapore 38 (8) : 690-692. ScholarBank@NUS Repository.
Abstract: Introduction: Understanding baseline epidemiology of intussusception (IS) in different geographical settings is important for the safety assessment of rotavirus vaccines. This paper presents IS surveillance data from Singapore between 1997 and 2007, including the period between November 2005 and December 2007 when rotavirus vaccines (primarily Rotarix™) were available to newborns in Singapore. Materials and Methods: Case ascertainment, collection, analyses and presentation of IS data was done as per recommendations of the Brighton Collaboration Working Group. For estimating the IS incidence rate in infants, live births for the years of the study were used as denominators, while for incidence in children age <2 years, the expected numbers of infant deaths occurring between 1 and 2 years of age was deducted from the combined live births for the 2 years, to obtain the denominator. Results: The incidence of IS among children aged <1 year throughout this 10-year period was higher than the incidence of IS in children between 1 and 2 years of age. In 2005, 2006 and 2007, the incidence of IS per 100,000 was 39.9, 26.4 and 35.6 in children aged <1 year and 26.2, 23.8 and 28.7 in children <2 years. Conclusion: This IS surveillance study provides reassuring preliminary evidence that there is no increase in the incidence of IS in Singapore after the introduction of rotavirus vaccines (including Rotarix™) in Singapore.
Source Title: Annals of the Academy of Medicine Singapore
ISSN: 03044602
Appears in Collections:Staff Publications

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