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Rigshospitalet - en del af Københavns Universitetshospital
Udgivet

Recurrent invasive pneumococcal disease in children: Epidemiological, microbiological, and clinical aspects from a Danish 33-year nationwide survey (1980-2013)

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Abstract Background: Pneumococcal diseases play a major role in human morbidity and mortality. We present the results of a Danish nationwide study of recurrent paediatric invasive pneumococcal disease (rIPD) focusing on the epidemiological, microbiological, and clinical aspects. Methods: All laboratory-confirmed cases of IPD in children aged 0-15 y were identified from the Neisseria and Streptococcus Reference Laboratory, Statens Serum Institut, Denmark for the period 1980-2013. rIPD was defined as isolation of Streptococcus pneumoniae from any normally sterile site ≥ 30 days after an initial positive culture. Clinical data were obtained for all children with rIPD. Results: Of all children with IPD, 2.4% (59/2418) experienced at least 1 episode of rIPD, and an underlying condition was documented in 39 (66%). Immune deficiency due to transplantation (n = 9) was the most common disease; however, anatomic abnormalities (n = 8), complement C2 deficiency (n = 4), and congenital asplenia (n = 3) were all registered more than once. No underlying disease was detected in 18 children (31%). Based on the serotype distribution of S. pneumoniae isolates in rIPD among children aged 0-5 y (n = 41), 51%, 66%, and 78% of the cases would have been covered by the 7-, 10-, and 13-valent pneumococcal conjugate vaccines, respectively. Conclusions: Of children with an IPD episode, 2.4% experienced rIPD, and an underlying disease was documented in 66% of these children. Investigation of underlying conditions is essential in episodes of rIPD.

OriginalsprogEngelsk
TidsskriftScandinavian Journal of Infectious Diseases
Vol/bind46
Udgave nummer4
Sider (fra-til)265-71
Antal sider7
ISSN0036-5548
DOI
StatusUdgivet - apr. 2014

ID: 44209239