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rft.atitle Childhood Seizures After Phototherapy
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rft.genre article
rft.issn 0031-4005
1098-4275
rft.issue 4
rft.jtitle Pediatrics
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rft.pub American Academy of Pediatrics (AAP)
rft.date 2018-10-01
x.date 2018-10-01T00:00:00Z
rft.spage 0
rft.volume 142
abstract <jats:sec> <jats:title /> </jats:sec> <jats:sec> <jats:title>BACKGROUND AND OBJECTIVES:</jats:title> <jats:p>In a recent Danish study, researchers found an increased risk of childhood epilepsy after phototherapy but only in boys. We investigated this association in a Kaiser Permanente Northern California cohort.</jats:p> </jats:sec> <jats:sec> <jats:title>METHODS:</jats:title> <jats:p>From 499 642 infants born at ≥35 weeks’ gestation in 1995–2011 followed for ≥60 days, we excluded 1773 that exceeded exchange transfusion thresholds and 1237 with seizure diagnoses at &amp;lt;60 days. We ascertained phototherapy, covariates, and outcomes from electronic records and existing databases. Our primary outcome was ≥1 encounter with a seizure diagnosis plus ≥1 prescription for an antiepileptic drug. We used Cox and Poisson models to adjust for bilirubin levels and other confounding variables.</jats:p> </jats:sec> <jats:sec> <jats:title>RESULTS:</jats:title> <jats:p>A total of 37 683 (7.6%) infants received any phototherapy. The mean (SD) follow-up time was 8.1 (5.2) years. The crude incidence rate per 1000 person-years of the primary outcome was 1.24 among phototherapy-exposed children and 0.76 among those unexposed (rate ratio: 1.63; 95% confidence interval [CI]: 1.44 to 1.85). The adjusted hazard ratio (aHR) was 1.22 (95% CI: 1.05 to 1.42; P = .009). Boys were at higher risk of seizures overall (aHR = 1.18; 95% CI: 1.10 to 1.27) and had a higher aHR for phototherapy (1.33; 95% CI: 1.10 to 1.61) than girls (1.07; 95% CI: 0.84 to 1.37), although effect modification by sex was not statistically significant (P = .17). The adjusted 10-year excess risks per 1000 were 2.4 (95% CI: 0.6 to 4.1) overall, 3.7 (95% CI: 1.2 to 6.1) in boys, and 0.8 (95% CI: −1.7 to 3.2) in girls.</jats:p> </jats:sec> <jats:sec> <jats:title>CONCLUSIONS:</jats:title> <jats:p>Phototherapy in newborns is associated with a small increased risk of childhood seizures, even after adjusting for bilirubin values, and the risk is more significant in boys.</jats:p> </jats:sec>
authors Array ( [rft.aulast] => Newman [rft.aufirst] => Thomas B. )
Array ( [rft.aulast] => Wu [rft.aufirst] => Yvonne W. )
Array ( [rft.aulast] => Kuzniewicz [rft.aufirst] => Michael W. )
Array ( [rft.aulast] => Grimes [rft.aufirst] => Barbara A. )
Array ( [rft.aulast] => McCulloch [rft.aufirst] => Charles E. )
doi 10.1542/peds.2018-0648
languages eng
url http://dx.doi.org/10.1542/peds.2018-0648
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x.subjects Pediatrics, Perinatology and Child Health
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author Newman, Thomas B., Wu, Yvonne W., Kuzniewicz, Michael W., Grimes, Barbara A., McCulloch, Charles E.
author_facet Newman, Thomas B., Wu, Yvonne W., Kuzniewicz, Michael W., Grimes, Barbara A., McCulloch, Charles E., Newman, Thomas B., Wu, Yvonne W., Kuzniewicz, Michael W., Grimes, Barbara A., McCulloch, Charles E.
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container_title Pediatrics
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description <jats:sec> <jats:title /> </jats:sec> <jats:sec> <jats:title>BACKGROUND AND OBJECTIVES:</jats:title> <jats:p>In a recent Danish study, researchers found an increased risk of childhood epilepsy after phototherapy but only in boys. We investigated this association in a Kaiser Permanente Northern California cohort.</jats:p> </jats:sec> <jats:sec> <jats:title>METHODS:</jats:title> <jats:p>From 499 642 infants born at ≥35 weeks’ gestation in 1995–2011 followed for ≥60 days, we excluded 1773 that exceeded exchange transfusion thresholds and 1237 with seizure diagnoses at &amp;lt;60 days. We ascertained phototherapy, covariates, and outcomes from electronic records and existing databases. Our primary outcome was ≥1 encounter with a seizure diagnosis plus ≥1 prescription for an antiepileptic drug. We used Cox and Poisson models to adjust for bilirubin levels and other confounding variables.</jats:p> </jats:sec> <jats:sec> <jats:title>RESULTS:</jats:title> <jats:p>A total of 37 683 (7.6%) infants received any phototherapy. The mean (SD) follow-up time was 8.1 (5.2) years. The crude incidence rate per 1000 person-years of the primary outcome was 1.24 among phototherapy-exposed children and 0.76 among those unexposed (rate ratio: 1.63; 95% confidence interval [CI]: 1.44 to 1.85). The adjusted hazard ratio (aHR) was 1.22 (95% CI: 1.05 to 1.42; P = .009). Boys were at higher risk of seizures overall (aHR = 1.18; 95% CI: 1.10 to 1.27) and had a higher aHR for phototherapy (1.33; 95% CI: 1.10 to 1.61) than girls (1.07; 95% CI: 0.84 to 1.37), although effect modification by sex was not statistically significant (P = .17). The adjusted 10-year excess risks per 1000 were 2.4 (95% CI: 0.6 to 4.1) overall, 3.7 (95% CI: 1.2 to 6.1) in boys, and 0.8 (95% CI: −1.7 to 3.2) in girls.</jats:p> </jats:sec> <jats:sec> <jats:title>CONCLUSIONS:</jats:title> <jats:p>Phototherapy in newborns is associated with a small increased risk of childhood seizures, even after adjusting for bilirubin values, and the risk is more significant in boys.</jats:p> </jats:sec>
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spelling Newman, Thomas B. Wu, Yvonne W. Kuzniewicz, Michael W. Grimes, Barbara A. McCulloch, Charles E. 0031-4005 1098-4275 American Academy of Pediatrics (AAP) Pediatrics, Perinatology and Child Health http://dx.doi.org/10.1542/peds.2018-0648 <jats:sec> <jats:title /> </jats:sec> <jats:sec> <jats:title>BACKGROUND AND OBJECTIVES:</jats:title> <jats:p>In a recent Danish study, researchers found an increased risk of childhood epilepsy after phototherapy but only in boys. We investigated this association in a Kaiser Permanente Northern California cohort.</jats:p> </jats:sec> <jats:sec> <jats:title>METHODS:</jats:title> <jats:p>From 499 642 infants born at ≥35 weeks’ gestation in 1995–2011 followed for ≥60 days, we excluded 1773 that exceeded exchange transfusion thresholds and 1237 with seizure diagnoses at &amp;lt;60 days. We ascertained phototherapy, covariates, and outcomes from electronic records and existing databases. Our primary outcome was ≥1 encounter with a seizure diagnosis plus ≥1 prescription for an antiepileptic drug. We used Cox and Poisson models to adjust for bilirubin levels and other confounding variables.</jats:p> </jats:sec> <jats:sec> <jats:title>RESULTS:</jats:title> <jats:p>A total of 37 683 (7.6%) infants received any phototherapy. The mean (SD) follow-up time was 8.1 (5.2) years. The crude incidence rate per 1000 person-years of the primary outcome was 1.24 among phototherapy-exposed children and 0.76 among those unexposed (rate ratio: 1.63; 95% confidence interval [CI]: 1.44 to 1.85). The adjusted hazard ratio (aHR) was 1.22 (95% CI: 1.05 to 1.42; P = .009). Boys were at higher risk of seizures overall (aHR = 1.18; 95% CI: 1.10 to 1.27) and had a higher aHR for phototherapy (1.33; 95% CI: 1.10 to 1.61) than girls (1.07; 95% CI: 0.84 to 1.37), although effect modification by sex was not statistically significant (P = .17). The adjusted 10-year excess risks per 1000 were 2.4 (95% CI: 0.6 to 4.1) overall, 3.7 (95% CI: 1.2 to 6.1) in boys, and 0.8 (95% CI: −1.7 to 3.2) in girls.</jats:p> </jats:sec> <jats:sec> <jats:title>CONCLUSIONS:</jats:title> <jats:p>Phototherapy in newborns is associated with a small increased risk of childhood seizures, even after adjusting for bilirubin values, and the risk is more significant in boys.</jats:p> </jats:sec> Childhood Seizures After Phototherapy Pediatrics
spellingShingle Newman, Thomas B., Wu, Yvonne W., Kuzniewicz, Michael W., Grimes, Barbara A., McCulloch, Charles E., Pediatrics, Childhood Seizures After Phototherapy, Pediatrics, Perinatology and Child Health
title Childhood Seizures After Phototherapy
title_full Childhood Seizures After Phototherapy
title_fullStr Childhood Seizures After Phototherapy
title_full_unstemmed Childhood Seizures After Phototherapy
title_short Childhood Seizures After Phototherapy
title_sort childhood seizures after phototherapy
topic Pediatrics, Perinatology and Child Health
url http://dx.doi.org/10.1542/peds.2018-0648