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Blue-Green (~480 nm) versus Blue (~460 nm) Light for Newborn Phototherapy-Safety Considerations. Int J Mol Sci 2022; 24:ijms24010461. [PMID: 36613904 PMCID: PMC9820095 DOI: 10.3390/ijms24010461] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/15/2022] [Accepted: 12/03/2022] [Indexed: 12/29/2022] Open
Abstract
We have previously shown that the phototherapy of hyperbilirubinemic neonates using blue-green LED light with a peak wavelength of ~478 nm is 31% more efficient for removing unconjugated bilirubin from circulation than blue LED light with a peak wavelength of ~452 nm. Based on these results, we recommended that the phototherapy of hyperbilirubinemic newborns be practiced with light of ~480 nm. Aim: Identify and discuss the most prominent potential changes that have been observed in the health effects of phototherapy using either blue fluorescent- or blue LED light and speculate on the expected effects of changing to blue-green LED light phototherapy. Search the phototherapy literature using the terms neonate, hyperbilirubinemia, and phototherapy in the PubMed and Embase databases. Transitioning from blue fluorescent light to blue-green LED light will expose neonates to less light in the 400-450 nm spectral range, potentially leading to less photo-oxidation and geno-/cytotoxicity, reduced risk of cancer, and decreased mortality in extremely low-birthweight neonates. The riboflavin level may decline, and the increased production and retention of bronze pigments may occur in predisposed neonates due to enhanced lumirubin formation. The production of pre-inflammatory cytokines may rise. Hemodynamic responses and transepidermal water loss are less likely to occur. The risk of hyperthermia may decrease with the use of blue-green LED light and the risk of hypothermia may increase. Parent-neonate attachment and breastfeeding will be positively affected because of the shortened duration of phototherapy. The latter may also lead to a significant reduction in the cost of phototherapy procedures as well as the hospitalization process.
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Stannsoporfin with phototherapy to treat hyperbilirubinemia in newborn hemolytic disease. J Perinatol 2022; 42:110-115. [PMID: 34635771 DOI: 10.1038/s41372-021-01223-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 08/09/2021] [Accepted: 09/23/2021] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To evaluate the efficacy and safety of tin mesoporphyrin (SnMP) in neonates with hyperbilirubinemia (HB) due to hemolysis. STUDY DESIGN This multicenter, placebo-controlled phase 2b study (NCT01887327) randomized newborns (35-42 weeks) with hemolysis started on phototherapy (PT) to placebo (Ctrl), SnMP 3.0 mg/kg, or SnMP 4.5 mg/kg given once IM within 30 min of initiation of PT. RESULTS In all, 91 patients were randomized (Ctrl: n = 30; 3 mg/kg SnMP: n = 30; 4.5 mg/kg SnMP: n = 31). At 48 h TSB significantly increased in Ctrl by 17.5% (95% CI 5.6-30.7; p = 0.004) and significantly decreased by -13% (95% CI -21.7 to -3.2; p = 0.013) in the 3.0 mg/kg and by -10.5% (95% CI -19.4 to -0.6; p = 0.041) in the 4.5 mg/kg group. Decreases in SnMP groups were significant (p < 0.0001) vs Ctrl. CONCLUSION SnMP with PT significantly reduced TSB by 48 h. SnMP may be useful as a treatment for HB in neonates with hemolysis.
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Clinical decision support tool for phototherapy initiation in preterm infants. J Perinatol 2020; 40:1518-1523. [PMID: 32792630 DOI: 10.1038/s41372-020-00782-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/19/2020] [Accepted: 08/03/2020] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Adherence to guidelines for phototherapy initiation in preterm infants was 39% in our academic NICU (61% of phototherapy was initiated at total bilirubin (TB) levels below recommended thresholds). We hypothesized that adoption of an electronic health record integrated clinical decision support (CDS) tool would improve adherence to phototherapy guidelines. STUDY DESIGN We developed and implemented Premie BiliRecs (PBR), a novel CDS tool for phototherapy initiation in preterm infants from 27 through 34 weeks postmenstrual age. The primary outcome measure was the proportion of phototherapy initiation events consistent with recommended TB thresholds. RESULT Following the implementation of PBR, adherence to guidelines for phototherapy initiation in preterm infants increased to 69.8% (p < 0.001), an improvement of 77%. There was no increase in the incidence of severe hyperbilirubinemia nor exchange transfusions. CONCLUSION The adoption of PBR was associated with improved adherence to phototherapy guidelines in preterm infants without increased adverse events.
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Liao PF, Tsai JD, Chen HJ, Pan HH, Hung TW, Chang HY, Sheu JN. Neonatal hyperbilirubinaemia is associated with a subsequent increased risk of childhood-onset type 1 diabetes. Paediatr Int Child Health 2020; 40:35-43. [PMID: 30961475 DOI: 10.1080/20469047.2019.1600854] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Background: Type 1 diabetes (T1D) is one of the most common chronic diseases of childhood. Whether neonatal hyperbilirubinaemia increases the risk of T1D remains unclear.Aim: To estimate the association between neonatal hyperbilirubinaemia and phototherapy and the risk of T1D using a large nationwide population-based cohort.Methods: This retrospective study was conducted using data from the National Health Insurance Research Database in Taiwan from 2001 until 2005. Altogether, 23,784 neonates aged <30 days diagnosed with hyperbilirubinaemia and 47,568 neonates without hyperbilirubinaemia were enrolled and frequency-matched to the hyperbilirubinaemia group by gender, age, parental occupation and urbanisation. Cox regression analysis was performed to estimate hazard ratios (HRs) and 95% confidence intervals (CI).Results: Of the 71,352 neonates included, those with hyperbilirubinaemia had a higher incidence of T1D (4.76 vs 2.68 per 10,000 person-years, p < 0.001) and an earlier mean age at onset of T1D [4.13 (2.80) vs 5.80 (2.67) years, p < 0.001] than those without hyperbilirubinaemia. After adjusting for confounding factors in multivariable analysis, the neonates with hyperbilirubinaemia had a 66% increased risk of developing T1D (HR 1.66, 95% CI 1.26-2.18). Girls had a 1.41-fold (HR 1.41, 95% CI 1.10-1.82) greater risk of T1D than boys. Additionally, neonates with a history of perinatal complications (HR 1.66, 95% CI 0.99-2.80) and neonatal infections (HR 2.13, 95% CI 1.45-3.15) had an increased subsequent risk of T1D.Conclusions: The results suggest that neonatal hyperbilirubinaemia is associated with a subsequently increased risk of childhood-onset T1D.Abbreviations: T1D, type 1 diabetes; CI, confidence interval; NHI, national health insurance; NHIA, National Health Insurance Administration; NHIRD, National Health Insurance Research Database; ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification; G6PD, glucose-6-phosphate dehydrogenase; LBW, low birthweight; HRs, hazard ratios.
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Affiliation(s)
- Pei-Fen Liao
- Department of Paediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Jeng-Dau Tsai
- Department of Paediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Hsuan-Ju Chen
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan.,School of Medicine, China Medical University, Taichung, Taiwan
| | - Hui-Hsien Pan
- Department of Paediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan.,Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Tung-Wei Hung
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Hsing-Yi Chang
- Institute of Population Health Sciences, National Health Research Institutes, Miaoli County, Taiwan
| | - Ji-Nan Sheu
- Department of Paediatrics, Chung Shan Medical University Hospital, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan
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Faulhaber FRS, Faulhaber GAM, Marcondes NA, Procianoy RS, Silveira RC. Expression of neutrophil surface markers in icteric neonates before and after phototherapy. CYTOMETRY PART B-CLINICAL CYTOMETRY 2018; 94:895-900. [DOI: 10.1002/cyto.b.21734] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 07/09/2018] [Accepted: 07/27/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Fabrízia Rennó Sodero Faulhaber
- Programa de Pós‐Graduação em Saúde da Criança e do AdolescenteUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
- Serviço de Onco‐Hematologia PediátricaHospital Nossa Senhora da Conceição Porto Alegre Brazil
| | - Gustavo Adolpho Moreira Faulhaber
- Laboratório Zanol Porto Alegre Brazil
- Programa de Pós Graduação em Medicina: Ciências MédicasUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
- Departmento de Medicina InternaUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
| | | | - Renato Soibelmann Procianoy
- Programa de Pós‐Graduação em Saúde da Criança e do AdolescenteUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
- Departmento de PediatriaUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
- Departmento de PediatriaHospital de Clínicas de Porto Alegre Porto Alegre Brazil
| | - Rita C. Silveira
- Programa de Pós‐Graduação em Saúde da Criança e do AdolescenteUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
- Departmento de PediatriaUniversidade Federal do Rio Grande do Sul Porto Alegre Brazil
- Departmento de PediatriaHospital de Clínicas de Porto Alegre Porto Alegre Brazil
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Newman TB, Wu YW, Kuzniewicz MW, Grimes BA, McCulloch CE. Childhood Seizures After Phototherapy. Pediatrics 2018; 142:peds.2018-0648. [PMID: 30249623 DOI: 10.1542/peds.2018-0648] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/23/2018] [Indexed: 11/24/2022] Open
Abstract
UNLABELLED : media-1vid110.1542/5804915133001PEDS-VA_2018-0648Video Abstract BACKGROUND AND OBJECTIVES: 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. METHODS 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 <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. RESULTS 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. CONCLUSIONS 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.
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Affiliation(s)
- Thomas B Newman
- Departments of Epidemiology and Biostatistics, .,Pediatrics, and.,Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Yvonne W Wu
- Pediatrics, and.,Neurology, University of California, San Francisco, San Francisco, California; and
| | - Michael W Kuzniewicz
- Pediatrics, and.,Division of Research, Kaiser Permanente Northern California, Oakland, California
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Mukherjee D, Coffey M, Maisels MJ. Frequency and duration of phototherapy in preterm infants <35 weeks gestation. J Perinatol 2018; 38:1246-1251. [PMID: 29915375 DOI: 10.1038/s41372-018-0153-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 04/18/2018] [Accepted: 05/17/2018] [Indexed: 01/29/2023]
Abstract
OBJECTIVE To evaluate the frequency, age at phototherapy (PT) initiation, and duration of PT use in infants 230/7 to 346/7 weeks of gestation in two neonatal intensive care units (NICUs) over 4 time periods. STUDY DESIGN We reviewed the charts of all infants born at 230/7-346/7 weeks of gestational age (GA) and admitted to the NICUs of two hospitals between January 2009 and September 2015. We calculated the proportion of infants who received PT and the total duration of PT exposure. RESULTS Overall 2023 (81.8%) received PT, and PT use was inversely related to GA and birthweight. More infants received PT when GA was added as a criterion for initiating PT. The median duration (interquartile range (IQR)) of PT for all infants was 50 (27-85) h and in the lowest GA group was 74 (42-111) h. CONCLUSIONS Recent US consensus guidelines appear to have led to an increased use of PT in our NICUs and studies from Norway indicate that we use PT considerably more frequently and for longer durations than do our Norwegian colleagues.
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Affiliation(s)
- Devashis Mukherjee
- Beaumont Children's Hospital and Department of Pediatrics, Oakland University William Beaumont School of Medicine, Royal Oak, MI, USA
| | - Mary Coffey
- Research Institute, Biostatistics, Beaumont Health, Royal Oak, MI, USA
| | - M Jeffrey Maisels
- Beaumont Children's Hospital and Department of Pediatrics, Oakland University William Beaumont School of Medicine, Royal Oak, MI, USA.
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8
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Donneborg ML, Vandborg PK, Hansen BM, Rodrigo-Domingo M, Ebbesen F. Double versus single intensive phototherapy with LEDs in treatment of neonatal hyperbilirubinemia. J Perinatol 2018; 38:154-158. [PMID: 29095431 DOI: 10.1038/jp.2017.167] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 08/23/2017] [Accepted: 09/05/2017] [Indexed: 01/16/2023]
Abstract
OBJECTIVE We investigate whether double phototherapy reduces total serum bilirubin concentration faster than single light during intensive phototherapy with high levels of irradiance using light-emitting diodes. STUDY DESIGN Eighty-three infants with gestational age ⩾33 weeks and uncomplicated hyperbilirubinemia were randomized to either double (n=41) or single phototherapy (n=42) for 24 h. The mean irradiance was 64.8 μW cm-2 nm-1 from above and 39 μW cm-2 nm-1 from below. RESULTS The percentage decreases of total serum bilirubin after 12 h of double vs single phototherapy were (mean (95% confidence interval (CI))) 39% (37 to 42) vs 30% (27 to 32), respectively (P<0.001). After 24 h, the decreases were 58% (56 to 61) vs 47% (44 to 50), respectively (P<0.001). The results were still significant after adjustment for confounding. The only side effect was loose stools. CONCLUSION Even with intensive phototherapy increasing spectral power by increasing the irradiated body surface area, the efficacy of phototherapy is improved.
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Affiliation(s)
- M L Donneborg
- Department of Pediatrics, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - P K Vandborg
- Department of Pediatrics, Aalborg University Hospital, Aalborg, Denmark
| | - B M Hansen
- Department of Pediatrics, Herlev Hospital, Copenhagen, Denmark
| | - M Rodrigo-Domingo
- Department of Research, Education and Innovation, Aalborg University Hospital, Aalborg, Denmark
| | - F Ebbesen
- Department of Pediatrics, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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9
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Wu YW, Kuzniewicz MW, Croen L, Walsh EM, McCulloch CE, Newman TB. Risk of Autism Associated With Hyperbilirubinemia and Phototherapy. Pediatrics 2016; 138:peds.2016-1813. [PMID: 27669736 DOI: 10.1542/peds.2016-1813] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/11/2016] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Whether neonatal hyperbilirubinemia and/or phototherapy increase the risk of autism spectrum disorder (ASD) is unclear. We sought to quantify the risk of ASD associated with elevated total serum bilirubin (TSB) levels and with phototherapy. METHODS In a retrospective cohort study of 525 409 infants born at ≥35 weeks' gestation in 15 Kaiser Permanente Northern California (KPNC) hospitals, 1995-2011, we obtained all TSB levels and determined which infants received phototherapy. From the KPNC Autism Registry, we identified patients with ASD diagnosed at a KPNC Autism Center, by a clinical specialist, or by a pediatrician. We calculated Cox proportional hazard ratios (HRs) for time to diagnosis of ASD, adjusting for confounding factors. RESULTS Among infants in the birth cohort, 2% had at least 1 TSB level ≥20 mg/dL, and 8% received phototherapy. The rate of ASD was 13 per 1000 births. Crude analyses revealed an association between TSB ≥20 and ASD (relative risk: 1.4; 95% confidence interval [CI]: 1.1-1.6), and between phototherapy and ASD (relative risk: 1.7; 95% CI: 1.5-1.8). After adjusting for confounders, TSB ≥20 (HR: 1.09; 95% CI: 0.89-1.35) and phototherapy (HR: 1.10; 95% CI: 0.98-1.24) were no longer significantly associated with ASD. Independent risk factors for ASD included maternal and paternal age; maternal and paternal higher education; male sex; birth weight <2500 g or ≥4200 g; and later year of birth. CONCLUSIONS After adjustment for the effects of sociodemographic factors and birth weight, neither hyperbilirubinemia nor phototherapy was an independent risk factor for ASD.
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Affiliation(s)
- Yvonne W Wu
- Departments of Neurology, .,Pediatrics, and.,Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Michael W Kuzniewicz
- Pediatrics, and.,Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Lisa Croen
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Eileen M Walsh
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Charles E McCulloch
- Epidemiology and Biostatistics, University of California, San Francisco, California; and
| | - Thomas B Newman
- Pediatrics, and.,Division of Research, Kaiser Permanente Northern California, Oakland, California.,Epidemiology and Biostatistics, University of California, San Francisco, California; and
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10
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Wickremasinghe AC, Kuzniewicz MW, Grimes BA, McCulloch CE, Newman TB. Neonatal Phototherapy and Infantile Cancer. Pediatrics 2016; 137:peds.2015-1353. [PMID: 27217478 PMCID: PMC9923535 DOI: 10.1542/peds.2015-1353] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/25/2016] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE To determine whether neonatal phototherapy is associated with cancer in the first year after birth. METHODS We analyzed a data set from the California Office of Statewide Health Planning and Development that was created by linking birth certificates, death certificates, and hospital discharge abstracts up to age 1 year. Subjects were 5 144 849 infants born in California hospitals at ≥35 weeks' gestation from 1998 to 2007. We used International Classification of Diseases, Ninth Revision codes to identify phototherapy at <15 days and discharge diagnoses of cancer at 61 to 365 days. We adjusted for potential confounding variables by using traditional and propensity-adjusted logistic regression models. RESULTS Cancer was diagnosed in 58/178 017 infants with diagnosis codes for phototherapy and 1042/4 966 832 infants without such codes (32.6/100 000 vs 21.0/100 000; relative risk 1.6; 95% confidence interval [CI], 1.2-2.0, P = .002). In propensity-adjusted analyses, associations were seen between phototherapy and overall cancer (adjusted odds ratio [aOR] 1.4; 95% CI, 1.1-1.9), myeloid leukemia (aOR 2.6; 95% CI, 1.3-5.0), and kidney cancer (aOR 2.5; 95% CI, 1.2-5.1). The marginal propensity-adjusted absolute risk increase for cancer after phototherapy in the total population was 9.4/100 000 (number needed to harm of 10 638). Because of the higher baseline risk of cancer in infants with Down syndrome, the number needed to harm was 1285. CONCLUSIONS Phototherapy may slightly increase the risk of cancer in infancy, although the absolute risk increase is small. This risk should be considered when making phototherapy treatment decisions, especially for infants with bilirubin levels below current treatment guidelines.
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Affiliation(s)
- Andrea C. Wickremasinghe
- Department of Pediatrics, Kaiser Permanente Northern California, Santa Clara, California;,Department of Epidemiology & Biostatistics, and,Address correspondence to Andrea C. Wickremasinghe, MD, Department 302–Neonatology, Kaiser Permanente Santa Clara Medical Center, 700 Lawrence Expy, Santa Clara, CA 95051. E-mail:
| | - Michael W. Kuzniewicz
- Department of Pediatrics, University of California, San Francisco, California; and,Division of Research, Kaiser Permanente Northern California, Oakland, California
| | | | | | - Thomas B. Newman
- Department of Epidemiology & Biostatistics, and,Department of Pediatrics, University of California, San Francisco, California; and,Division of Research, Kaiser Permanente Northern California, Oakland, California
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Maisels MJ. Sister Jean Ward, phototherapy, and jaundice: a unique human and photochemical interaction. J Perinatol 2015; 35:671-5. [PMID: 26067472 DOI: 10.1038/jp.2015.56] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 03/19/2015] [Indexed: 11/09/2022]
Affiliation(s)
- M J Maisels
- Beaumont Children's Hospital, Royal Oak, MI, USA.,Department of Pediatrics, Oakland University William Beaumont School of Medicine, Royal Oak, MI, USA
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12
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Aydemir O, Soysaldı E, Kale Y, Kavurt S, Bas AY, Demirel N. Body temperature changes of newborns under fluorescent versus LED phototherapy. Indian J Pediatr 2014; 81:751-4. [PMID: 24037476 DOI: 10.1007/s12098-013-1209-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Accepted: 08/05/2013] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To determine changes in body temperature (BT) of hyperbilirubinemic newborns under conventional phototherapy with fluorescent lamps and light emitting diodes (LED) at different irradiances. METHODS Otherwise healthy newborn infants >34 wk gestational age (GA) hospitalized for indirect hyperbilirubinemia, requiring phototherapy in the first 10 d of life were enrolled. Infants who received conventional phototherapy with fluorescent lamps (10-15 μW/cm(2)/nm irradiance) were defined as group 1, LED phototherapy of 26-60 μW/cm(2)/nm irradiance as group 2, and LED phototherapy of 60-120 μW/cm(2)/nm irradiance as group 3. Primary outcome measure was mean BT which was defined as arithmetical mean of axillary BT measured at 2 h intervals during the first day of phototherapy. RESULTS Thirty patients were enroled in each group. Mean birth weight and GA of the total cohort was 2800 ± 530 g and 36.6 ± 2 wk, respectively. Baseline demographic variables and serum total bilirubin levels were similar among groups. Mean BT was 36.7 ± 0.1 °C in group 1, 36.6 ± 0.2 °C in group 2, 37.7 ± 0.2 °C in group 3. Mean BT was higher in group 3 compared to group 1 (p < 0.001) and group 2 (p < 0.001). Group 1 and group 2 had similar mean BT measurements (p = 0.09). During phototherapy all the patients in group 3 had at least one BT measurement ≥ 37.5 °C and 77 % had BT ≥ 38 °C. Only one patient in group 2 had BT ≥ 37.5 °C which was also ≥ 38 °C. During phototherapy all BT measurements were <37.5 °C in group 1. CONCLUSIONS LED phototherapy of ≥ 60 μW/cm(2)/nm intensity significantly increases BT in hyperbilirubinemic newborns.
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Affiliation(s)
- Ozge Aydemir
- Department of Neonatology, Etlik Zübeyde Hanım Women's Health Teaching and Research Hospital, Ankara, Turkey,
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13
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Beken S, Aydin B, Zenciroğğlu A, Dilli D, Özkan E, Dursun A, Okumus N. The effects of phototherapy on eosinophil and eosinophilic cationic protein in newborns with hyperbilirubinemia. Fetal Pediatr Pathol 2014; 33:151-6. [PMID: 24527832 DOI: 10.3109/15513815.2014.883456] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Newborns with jaundice requiring or not requiring phototherapy (PT) are at greater risk of developing asthma later in life. In this study, we investigated the effect of PT treatment on eosinophil and eosinophilic cationic protein (ECP) levels in newborns with severe hyperbilirubinemia. Thirty newborns diagnosed with severe hyperbilirubinemia and exposed to light-emitting diode (LED) PT were enrolled into the study. Total serum bilirubin (TSB) levels, complete blood count and serum ECP concentrations were measured before and after PT. TSB and hemoglobin (Hb) counts were lower after PT (p = 0.001). There was no difference between leukocyte, lymphocyte, neutrophil and platelet count before and after PT. Eosinophil levels were increased after PT, although not significantly. ECP levels were higher after PT (p = 0.006). It may be speculated that newborns treated with LED PT, increased ECP might play a role in developing allergic diseases later in life.
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Affiliation(s)
- Serdar Beken
- Dr. Sami Ulus Maternity and Children Research and Training Hospital, Ankara, Turkey
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Jangi S, Otterbein L, Robson S. The molecular basis for the immunomodulatory activities of unconjugated bilirubin. Int J Biochem Cell Biol 2013; 45:2843-51. [PMID: 24144577 DOI: 10.1016/j.biocel.2013.09.014] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2013] [Revised: 09/24/2013] [Accepted: 09/29/2013] [Indexed: 01/03/2023]
Abstract
Nearly a century ago, jaundiced patients were observed to have surprising and spontaneous remissions from incurable immunologic diseases including rheumatoid arthritis, allergy, and asthma. The mystery of why this phenomenon occurred remains unresolved to this day. Bilirubin has traditionally been considered an excretory product resulting from heme metabolism with little benefit to human physiology. In the past few decades, however, the salutary role of this byproduct as a potent antioxidant has been repeatedly noted. Most recently, the molecule has been found to possess immunomodulatory properties that rival its redox capacity, possibly explaining its ability to suppress inflammation. In this review, we specifically examine unconjugated bilirubin (UCB) as an immunomodulator and explore the molecular basis for its immunosuppressive effects.
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Affiliation(s)
- Sushrut Jangi
- Beth Israel Deaconess Medical Center, United States; Harvard Medical School, United States.
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Jahanshahifard S, Ahmadpour-Kacho M, Pasha YZ. Effects of phototherapy on cytokines' levels and white blood cells in term neonate with hyperbilirubinemia. J Clin Neonatol 2012; 1:139-42. [PMID: 24027710 PMCID: PMC3762030 DOI: 10.4103/2249-4847.101696] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Objective: Phototherapy is the most common treatment used for severe jaundice. There is increasing evidence that phototherapy can directly affect the expression and function of cell surface receptors including adhesion molecules, cytokines, and growth factor receptors. The aim of this study is to investigate the effect of phototherapy use on the levels of interleukin (IL)-1α, IL-6, and tumor necrosis factor (TNF)-α as cytokine expressions from keratinocytes, and also white blood cell counts in the treatment of neonate with hyperbilirubinemia. Materials and Methods: We studied 32 term newborns with hyperbilirubinemia. Blood samples were obtained before and 72 h after phototherapy. Serum levels of IL-1α, IL-6, TNF-α, and WBC count were measured in the samples using appropriate methods. Results: Serum TNF-α at 72 h of exposure to phototherapy increased, while the levels of IL-1α and IL-6 at the same time were decreased. These changes were not statistically significant. WBC counts rose significantly with phototherapy. Conclusion: Phototherapy in term neonate does not affect cytokines’ levels, but can raise peripheral WBC count.
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Affiliation(s)
- Sedigheh Jahanshahifard
- Department of Neonatology, Pediatrician and Neonatologist, Imam Reza Hospital, The Social Insurance, Urmia, West Azarbayejan, Iran
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Soyer T, Aliefendioğlu D, Aktuna Z, Cağlayan O, Aydos TR, Cakmak M. Effect of phototherapy on gastrointestinal smooth muscle activity and oxidative stress. Pediatr Surg Int 2011; 27:1197-202. [PMID: 21630101 DOI: 10.1007/s00383-011-2934-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/17/2011] [Indexed: 12/22/2022]
Abstract
AIM To evaluate the effect of phototherapy on gastrointestinal smooth muscle activity and oxidative stress. METHODS Wistar albino rats (n = 18, in the first 7 days of life) weighing 7 ± 2 g with both sexes were included in the study. The animals were randomized into three groups. In control group (CG), median laparotomy was performed to obtain 1 cm of jejunum, terminal ileum and colonic segments. In the phototherapy group (PTG), led phototherapy with a wave density of 40 μw/cm(2)/nm were used (Bilitron 3006, Fanem, Brasil). The efficacy surface of phototherapy was 30-40 cm and the exposure distance was 30 cm. The duration of phototherapy was 24 h. Sham group (SG) received white light with the same wave density and exposure distance. The oxidative stress markers and contraction responses were investigated from intestinal segments obtained from experiments. RESULTS The jejunum segments showed significantly lowered contraction response to carbachol in SG when compared to CG and PTG (p < 0.05). Decreased contractile response to KCl was detected in both SG and PTG in terminal ileum segments. MDA levels showed no difference between groups (p > 0.05). Total sulfhydryl (T-SH) levels were found significantly increased in PTG when compared to CG and SG (p < 0.05). When NO levels were evaluated, NO levels were found decreased in PTG and SG with respect to CG (p < 0.05). CONCLUSION PT may cause various alterations in oxidant/antioxidant system in intestinal segments. Unlike to clinical findings, decreased contractile responses were detected in rat gastrointestinal smooth muscles after PT.
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Affiliation(s)
- Tutku Soyer
- Department of Pediatric Surgery, Medical Faculty, Kirikkale University, Kirikkale, Turkey.
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Effect of phototherapy on growth factor levels in neonatal rat skin. J Pediatr Surg 2011; 46:2128-31. [PMID: 22075343 DOI: 10.1016/j.jpedsurg.2011.06.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Revised: 06/05/2011] [Accepted: 06/06/2011] [Indexed: 11/22/2022]
Abstract
AIM Neonates undergoing surgery may receive phototherapy (PT) for the treatment of hyperbilirubinemia. Although the effects of PT on neonatal structures are well documented, the effect of PT on wound healing has not been previously evaluated. An experimental study was performed to evaluate the effect of PT on growth factor levels responsible for wound healing in neonatal rat skin. MATERIALS AND METHODS Eighteen Wistar newborn rats (7 ± 2 g) were included in the study. Rats were randomized into 3 groups: control (CG), PT, and sham (SG) (n = 6). Both groups had 1-cm median dorsal skin incision. In CG, 1 × 1 cm of dorsal skin was sampled including the incised skin. The PT group received 5 banks of blue light (wave density, 30-40 μw/cm(2) per nanometer; exposure distance, 45 cm). Phototherapy was started 24 hours after birth and exposed during light period (mean duration, 21 hours to 15 minutes ± 2 hour to 1.5 minutes). Sham group consisted of animals that received a bank of white light with same exposure distance and a total duration of 26 hours to 18 minutes ± 3 hours to 9.1 minutes. After exposure, 1 × 1 cm dorsal skin samples were obtained from both PT and SG groups, including the median incision. The effect of PT was evaluated with the expressions of vascular endothelial growth factor (VEGF), its receptor (VEGF receptor), and transforming growth factor β (TGF-β) in endothelial vessels and fibroblasts of neonatal skin samples. RESULTS There was no significant difference between groups in VEGF receptor and transforming growth factor β expressions. The VEGF levels in endothelial vessels were significantly decreased in PT and SG when compared with CG (P < .05). CONCLUSION Vascular endothelial growth factor is a mediator of angiogenesis and may decrease in neonatal rat skin after light exposure. It can be suggested that decreased levels of VEGF after PT application may alter angiogenesis and also may adversely affect the healing features of neonatal skin.
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Shimada M, Segawa M, Higurashi M, Kimura R, Oku K, Yamanami S, Akamatsu H. Effects of phototherapy in neonates on circadian sleep-wake and saliva cortisol level rhythms. J Perinat Neonatal Nurs 2003; 17:222-31. [PMID: 12959483 DOI: 10.1097/00005237-200307000-00007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The influence of phototherapy treatment during the neonatal period on sleep-wake rhythm, and its long-term effects on biological rhythms, was evaluated in preterm and full-term infants. Forty-three infants treated with phototherapy during the neonatal period and 47 untreated infants were examined for entrainment of sleep-wake rhythms between 16 and 52 weeks and for sleep-wake and saliva cortisol rhythms at 2.5 years of age. The age of sleep-wake rhythm entrainment was not significantly different between the 2 groups. No correlations between duration of exposure to phototherapy and corrected age of entrainment of sleep-wake rhythm were observed. At follow-up, no significant differences in sleep-wake and saliva cortisol rhythms were observed between the 2 groups, indicating that circadian variations were similar to those in adults.
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Affiliation(s)
- Mieko Shimada
- Department of Maternal and Child Health, Hamamatsu University School of Medicine, Hamamatsu City, Shizuoka Prefecture, Japan.
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