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Blood stream infection is associated with altered heptavalent pneumococcal conjugate vaccine immune responses in very low birth weight infants.


ABSTRACT: OBJECTIVE:Sepsis in older children and adults modifies immune system function. We compared serotype-specific antibody responses to heptavalent pneumococcal conjugate vaccine (PCV7) in very low birth weight infants (<1500?g,VLBWs) with and without blood stream infection (BSI) during their birth hospitalization. STUDY DESIGN:Retrospective analysis of prospectively collected data for the Neonatal Research Network study of PCV7 responses among VLBWs. Infants received PCV7 at 2, 4 and 6 months after birth with blood drawn 4 to 6 weeks after third dose. Serotype antibodies were compared between infants with or without a history of BSI. Regression models were constructed with BW groups and other confounding factors identified in the primary study. RESULT:In all, 244 infants completed the vaccine series and had serum antibody available; 82 had BSI. After adjustment, BSI was not associated with reduced odds of serum antibody ?0.35??g?ml(-1). CONCLUSION:BSI was not associated with reduced odds of World Health Organization-defined protective PCV7 responses in VLBWs.

SUBMITTER: Wynn JL 

PROVIDER: S-EPMC3722279 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature

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Blood stream infection is associated with altered heptavalent pneumococcal conjugate vaccine immune responses in very low birth weight infants.

Wynn J L JL   Li L L   Cotten C M CM   Phelps D L DL   Shankaran S S   Goldberg R N RN   Carlo W A WA   Van Meurs K K   Das A A   Vohr B R BR   Higgins R D RD   Stoll B J BJ   D'Angio C T CT  

Journal of perinatology : official journal of the California Perinatal Association 20130131 8


<h4>Objective</h4>Sepsis in older children and adults modifies immune system function. We compared serotype-specific antibody responses to heptavalent pneumococcal conjugate vaccine (PCV7) in very low birth weight infants (<1500 g,VLBWs) with and without blood stream infection (BSI) during their birth hospitalization.<h4>Study design</h4>Retrospective analysis of prospectively collected data for the Neonatal Research Network study of PCV7 responses among VLBWs. Infants received PCV7 at 2, 4 and  ...[more]

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