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Transcutaneous bilirubinometry. III. Dermal bilirubin kinetics under green and blue light phototherapy. 1986

T Hegyi, and M Graff, and V Zapanta, and I M Hiatt, and T R Sisson

Using the transcutaneous bilirubinometer, we studied the response of cutaneous bilirubin to different colors of light during phototherapy. Three groups of ten infants were exposed to blue, green, and blue-green lights at a mean postnatal age ranging from 50 to 77 hours. Patched areas served as controls. Every 15 minutes during four hours of phototherapy, we obtained simultaneous measurements from exposed and covered areas. After the onset of phototherapy, transcutaneous bilirubinometer values from the covered areas in all groups remained stable. The overall rate of bleaching was lowest in the green light group and highest in the blue-green combination group. In this group of infants, green light appeared to enhance the effectiveness of blue light in reducing dermal bilirubin concentrations as measured by the transcutaneous bilirubinometer.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007567 Jaundice, Neonatal Yellow discoloration of the SKIN; MUCOUS MEMBRANE; and SCLERA in the NEWBORN. It is a sign of NEONATAL HYPERBILIRUBINEMIA. Most cases are transient self-limiting (PHYSIOLOGICAL NEONATAL JAUNDICE) occurring in the first week of life, but some can be a sign of pathological disorders, particularly LIVER DISEASES. Icterus Gravis Neonatorum,Neonatal Jaundice,Physiological Neonatal Jaundice,Severe Jaundice in Neonate,Severe Jaundice in Newborn,Jaundice, Physiological Neonatal,Neonatal Jaundice, Physiological
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008027 Light That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range. Light, Visible,Photoradiation,Radiation, Visible,Visible Radiation,Photoradiations,Radiations, Visible,Visible Light,Visible Radiations
D010789 Phototherapy Treatment of disease by exposure to light, especially by variously concentrated light rays or specific wavelengths. Blue Light Therapy,Blue-light Therapy,Light Therapy,Photoradiation Therapy,Red Light Phototherapy,Therapy, Photoradiation,Blue Light Therapies,Blue-light Therapies,Light Phototherapies, Red,Light Phototherapy, Red,Light Therapies,Light Therapies, Blue,Light Therapy, Blue,Photoradiation Therapies,Phototherapies,Phototherapies, Red Light,Phototherapy, Red Light,Red Light Phototherapies,Therapies, Blue Light,Therapies, Blue-light,Therapies, Light,Therapies, Photoradiation,Therapy, Blue Light,Therapy, Blue-light,Therapy, Light
D003116 Color The visually perceived property of objects created by absorption or reflection of specific wavelengths of light. Colors
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001663 Bilirubin A bile pigment that is a degradation product of HEME. Bilirubin IX alpha,Bilirubin, (15E)-Isomer,Bilirubin, (4E)-Isomer,Bilirubin, (4E,15E)-Isomer,Bilirubin, Calcium Salt,Bilirubin, Disodium Salt,Bilirubin, Monosodium Salt,Calcium Bilirubinate,Hematoidin,delta-Bilirubin,Bilirubinate, Calcium,Calcium Salt Bilirubin,Disodium Salt Bilirubin,Monosodium Salt Bilirubin,Salt Bilirubin, Calcium,delta Bilirubin
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
D012880 Skin Pigmentation Coloration of the skin. Skin Color,Skin Tone,Color, Skin,Colors, Skin,Pigmentation, Skin,Pigmentations, Skin,Skin Colors,Skin Pigmentations,Skin Tones,Tone, Skin,Tones, Skin

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