ArticleNeonatology2018
Variation in the Phototherapy Practices and Irradiance of Devices in a Major Metropolitan Area.
Article in Neonatology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed.
- Heliotherapy for neonates with severe-to-hazardous hyperbilirubinemia: a randomized controlled, non-inferiority trial.Scientific reports · 2024Trial
- Variations and Opportunities in Postnatal Management of Hemolytic Disease of the Fetus and Newborn.JAMA network open · 2025Observational
- Article
- Improving Effectiveness of Phototherapy in an Academic Center: A Quality Improvement Project.Global pediatric health · 2020Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
backgroundPhototherapy (PT) is widely used to prevent and treat severe hyperbilirubinemia and its associated risks for both acute and chronic bilirubin encephalopathy. Intensive PT, recommended for inpatient treatment of hyperbilirubinemia in term and near-term infants, is defined as having a spectral irradiance of ≥30 μW/cm2/nm.
objectivesWe aimed to assess local PT practices by measuring the irradiance of PT devices in local neonatal intensive care units and newborn nurseries.
methodsThe irradiance footprint, including maximum irradiance at the center of the footprint, of 39 PT devices in 7 area hospitals was measured according to current practice in these facilities.
resultsThe mean ± SD (range) footprint irradiance was 20.7 ± 5.8 (8.8-29.4) μW/cm2/nm. The mean ± SD maximum irradiance at the footprint center for all devices at a mean clinically used treatment distance of 33.1 ± 9.3 (25.5-60.0) cm was 27.8 ± 7.0 (14.7-42.0) μW/cm2/nm. Sixty-two percent of the devices did not meet the minimum recommended spectral irradiance for intensive PT. For the sites without irradiance-based protocols, the maximum irradiance of the devices (n = 33) at the treatment distances was 25.8 ± 6.1 μW/cm2/nm.
conclusionsDespite established PT guidelines, local protocols and practices vary. Based on an assessment of 7 local hospitals, intensive PT was suboptimal for 62% of devices. Straightforward changes, such as decreasing the distance between an infant and the light source and establishing a consistent irradiance-based protocol, could substantially improve the quality of the intervention.
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