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Risk of Pertussis in Relation to Degree of Prematurity in Children Less Than 2 Years of Age.

Abstract A few previous studies reported increased risk of pertussis in children with birth weight less than 2500 g. The risk of pertussis by degree of prematurity has not been determined in a cohort study. The vaccine effectiveness (VE) against reported pertussis in preterm infants is unknown.
PMID
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Risk of Pertussis in Relation to Degree of Prematurity in Children < 2 Years of Age.

Authors

Mayor MeshTerms

Registries

Vaccine Potency

Keywords
Journal Title the pediatric infectious disease journal
Publication Year Start




PMID- 28403056
OWN - NLM
STAT- MEDLINE
DA  - 20170413
DCOM- 20170420
LR  - 20170420
IS  - 1532-0987 (Electronic)
IS  - 0891-3668 (Linking)
VI  - 36
IP  - 5
DP  - 2017 May
TI  - Risk of Pertussis in Relation to Degree of Prematurity in Children Less Than 2
      Years of Age.
PG  - e151-e156
LID - 10.1097/INF.0000000000001545 [doi]
AB  - BACKGROUND: A few previous studies reported increased risk of pertussis in
      children with birth weight less than 2500 g. The risk of pertussis by degree of
      prematurity has not been determined in a cohort study. The vaccine effectiveness 
      (VE) against reported pertussis in preterm infants is unknown. METHODS: Data were
      obtained from the Medical Birth Registry of Norway (1998-2010) and linked to
      other national registries. In total, 713,166 children were included in our study 
      and followed until 2 years of age. Incidence rate ratios (IRRs) and confidence
      intervals (CIs) were estimated with Poisson regression. RESULTS: We identified
      999 reported cases of pertussis. We observed a higher rate of reported pertussis 
      in preterm than in full-term infants, IRR = 1.65 (95% CI: 1.32-2.07). Compared to
      full-term infants, the risk of reported pertussis in infants born at gestational 
      age (GA) 35-36, 32-34 and 23-27 weeks were higher [IRRs = 1.49 (95% CI:
      1.11-2.01), 1.63 (95% CI: 1.06-2.51) and 4.49 (95% CI: 2.33-8.67), respectively].
      Moreover, preterm infants had a higher rate of pertussis-related hospitalization 
      than full-term infants [IRR = 1.99 (95% CI: 1.47-2.71)]. The VE against reported 
      pertussis for the third dose was 88.8% (95% CI: 84.3-92.0) in full-term infants
      and 93.0% (95% CI: 85.8-96.5) in preterm infants. CONCLUSIONS: In this cohort
      study, preterm infants including those born at GA 35 and 36 weeks had increased
      risk of reported pertussis. The VE was similar in preterm and full-term infants.
FAU - Riise, Oystein Rolandsen
AU  - Riise OR
AD  - From the *Department of Vaccine Preventable Diseases, and daggerDepartment of
      Infectious Disease Epidemiology and Modelling, Norwegian Institute of Public
      Health, Oslo, Norway; double daggerDepartment of Global Public Health and Primary
      Care, University of Bergen, and section signDepartment of Pediatrics, Haukeland
      University Hospital, Bergen, Norway; and paragraph signDepartment of Health
      Registries, Norwegian Institute of Public Health, Oslo, Norway.
FAU - Laake, Ida
AU  - Laake I
FAU - Vestrheim, Didrik
AU  - Vestrheim D
FAU - Flem, Elmira
AU  - Flem E
FAU - Moster, Dag
AU  - Moster D
FAU - Riise Bergsaker, Marianne Adeleide
AU  - Riise Bergsaker MA
FAU - Storsaeter, Jann
AU  - Storsaeter J
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Pediatr Infect Dis J
JT  - The Pediatric infectious disease journal
JID - 8701858
RN  - 0 (Pertussis Vaccine)
SB  - IM
MH  - Birth Weight
MH  - Child, Preschool
MH  - Cohort Studies
MH  - Female
MH  - Gestational Age
MH  - Hospitalization/statistics &amp; numerical data
MH  - Humans
MH  - Infant
MH  - Infant, Low Birth Weight
MH  - Infant, Newborn
MH  - Infant, Premature/*immunology
MH  - Male
MH  - Norway
MH  - Pertussis Vaccine/*administration &amp; dosage
MH  - *Registries
MH  - Risk
MH  - *Vaccine Potency
MH  - Whooping Cough/diagnosis/immunology/*prevention &amp; control
EDAT- 2017/04/14 06:00
MHDA- 2017/04/21 06:00
CRDT- 2017/04/14 06:00
AID - 10.1097/INF.0000000000001545 [doi]
AID - 00006454-201705000-00018 [pii]
PST - ppublish
SO  - Pediatr Infect Dis J. 2017 May;36(5):e151-e156. doi:
      10.1097/INF.0000000000001545.

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