首页|Association Between Neonatal Phototherapy Exposure and Childhood Neoplasm
Association Between Neonatal Phototherapy Exposure and Childhood Neoplasm
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NSTL
Elsevier
Objective To study the association between phototherapy for the treatment of neonatal jaundice and the risk of childhood neoplasms. Study design This population-based retrospective cohort study included all infants born at >= 32 weeks of gestation at a single medical center between 1988 and 2018. The incidence of neoplastic diseases was compared between infants exposed to phototherapy and those unexposed. Kaplan-Meier curves and log-rank tests were used for cumulative incidence comparison, and multivariable Cox and Weibull survival analysis were used to adjust for confounding or clinically significant variables. Results The study population included 342 172 infants, of whom 18 797 (5.5%) were exposed to phototherapy. The median duration of follow-up was 9.5 years (range, birth to 18 years). Phototherapy was associated with a significantly increased risk for childhood malignancies and benign tumors (preterm birth and maternal age- adjusted hazard ratio, 1.89 [95% CI, 1.35-2.67] for malignancies and 1.27 [95% CI, 1.02-1.57] for benign tumors) Specifically, phototherapy was associated with hematopoietic cancers and leukemia (hazard ratio, 2.29 [95% CI, 1.48-3.54; P < .01] for hematopoietic cancers and 2.51 [95% CI, 1.52-4.14; P < .001] for leukemia), but not with solid tumors and lymphoma. Conclusions Phototherapy may be associated with a slightly increased childhood risk of neoplasm. It is important to strictly follow phototherapy treatment guidelines to minimize unnecessary exposure.