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Meta-Analysis
. 2024 Oct;96(5):1131-1140.
doi: 10.1038/s41390-024-03191-7. Epub 2024 Apr 13.

Risk of childhood neoplasms related to neonatal phototherapy- a systematic review and meta-analysis

Ilari Kuitunen  1   2 , Atte Nikkilä  3   4 , Panu Kiviranta  5   6   7 , Johanna Jääskeläinen  5 , Anssi Auvinen  8
Affiliations
Meta-Analysis

Risk of childhood neoplasms related to neonatal phototherapy- a systematic review and meta-analysis

Ilari Kuitunen et al. Pediatr Res. 2024 Oct.

Abstract

Context: Observational studies have shown conflicting results as to whether exposure to neonatal phototherapy is associated with increased rates of childhood cancer.

Objective: To describe the rates of childhood neoplasms and cancer after neonatal phototherapy.

Data sources: The CENTRAL, PubMed, Scopus, and Web of Science databases.

Study selection: Observational studies regardless of design were included.

Data extraction: The data were extracted by one author and validated by another. The risk-of-bias assessment was performed using the ROBINS-E and Joanna Briggs Institute critical appraisal tools.

Results: Six cohort and 10 case-control studies were included. The overall risk of bias was high in seven and low in nine studies. In cohort studies, the odds ratio (OR) was increased for hematopoietic cancer (1.44; confidence interval [CI]: 1.16-1.80) and solid tumors (OR: 1.18; CI: 1.00-1.40). In case-control studies, the OR was 1.63 (CI: 0.99-2.67) for hematopoietic cancers and 1.18 (CI: 1.04-1.34) for solid tumors.

Conclusions: Children with a history of neonatal phototherapy had increased risk of hematopoietic cancer and solid tumors. The evidence quality was limited due to the high risk of bias and potential residual confounding.

Impact statement: Exposure to neonatal phototherapy increased later risk of hematopoietic cancer and solid tumors. This is the most comprehensive study on the association between phototherapy and cancer, but the evidence quality was limited due risk of bias and residual confounding. Future large scale well conducted studies are still needed to better estimate the association and.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
PRISMA flowchart of the study selection process.
Fig. 2
Fig. 2
Forest plot of the cancer incidence between phototherapy exposed cohort and unexposed cohort stratified by the cancer type.
Fig. 3
Fig. 3
Forest plot of the crude overall cancer/ tumor rates of exposed and unexposed between case and control groups in case-control studies stratified by the tumor/cancer type.
See this image and copyright information in PMC

Comment in

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