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Cycling light in the NICU

Nasrin Mahmoodi, Azizollah Arbabisarjou, Mahmood Rezaeipoor, Zahra Pishkar Mofrad
INTRODUCTION: Fetus and neonate spend most of their time sleeping inside and outside the womb. Sleep is considered a crucial action of neonatal period similar to breathing and nutrition. It plays a key role in brain development. Today, it is shown that sleep plays a predominant role in body temperature regulation, energy saving and neuronal detoxification. Sleep is the most important behavioral state of neonates, particularly in preterm ones. Noise, light, invasive treatment and caring activities are among disturbing factors in the neonatal intensive care unit (NICU) that leave negative impacts on brain development through disturbing the sleep process...
2016: Global Journal of Health Science
Mauricio Villarroel, Alessandro Guazzi, João Jorge, Sara Davis, Peter Watkinson, Gabrielle Green, Asha Shenvi, Kenny McCormick, Lionel Tarassenko
Current technologies to allow continuous monitoring of vital signs in pre-term infants in the hospital require adhesive electrodes or sensors to be in direct contact with the patient. These can cause stress, pain, and also damage the fragile skin of the infants. It has been established previously that the colour and volume changes in superficial blood vessels during the cardiac cycle can be measured using a digital video camera and ambient light, making it possible to obtain estimates of heart rate or breathing rate...
September 2014: Healthcare Technology Letters
Hannah K Ritchie, Ellen R Stothard, Kenneth P Wright
A robust circadian timekeeping system is important for human health and well-being. Inappropriately timed light exposure can cause circadian and sleep disruption, which has been shown to have negative health consequences. Lighting in medical care facilities, such as the NICU, ICU, and nursing homes, is not typically controlled and may be associated with circadian disruption observed in such settings. Cycled lighting and increased exposure to sunlight in medical care facilities have been shown to have positive effects on patient recovery and well-being, and expedite hospital discharge...
2015: Current Pharmaceutical Design
Samuel Vásquez-Ruiz, José Alfonso Maya-Barrios, Patricia Torres-Narváez, Benito Rubén Vega-Martínez, Adelina Rojas-Granados, Carolina Escobar, Manuel Angeles-Castellanos
BACKGROUND: Bright constant light levels in the NICU may have negative effects on the growth and development of preterm infants OBJECTIVE: The aim of this study is to evaluate the benefits of an alternating light/dark cycle in the NICU on weight gain and early discharge from the therapy in premature infants. PATIENTS AND METHODS: A randomized interventional study was designed comparing infants in the NICU of Hospital Juarez de México, exposed from birth either to an LD environment (LD, n=19) or to the traditional continuous light (LL, n=19)...
September 2014: Early Human Development
Shimpei Watanabe, Shizuko Akiyama, Takushi Hanita, Heng Li, Machiko Nakagawa, Yousuke Kaneshi, Hidenobu Ohta
Using uterine explants from Per1::Luc rats and in situ hybridization, we recently reported that the circadian property of the molecular clock in the uterus and placenta is stably maintained from non-pregnancy, right through to the end stage of pregnancy under regular light-dark (LD) cycles. Despite long-lasting increases in progesterone during gestation and an increase in estrogen before delivery, the uterus keeps a stable Per1::Luc rhythm throughout the pregnancy. The study suggests the importance of stable circadian environments for fetuses to achieve sound physiology and intrauterine development...
2013: Frontiers in Endocrinology
Carine Moraes Vignochi, Patrícia P Teixeira, Silvana S Nader
OBJECTIVES: To evaluate the effects of aquatic physical therapy on pain and on the cycle of sleep and wakefulness among stable hospitalized premature infants. METHODS: This study was characterized as an uncontrolled clinical trial on a time series and included 12 clinically stable newborns of gestational age less than 36 weeks who were hospitalized in a neonatal intensive care unit (NICU). After selection, the newborns were placed in a liquid medium for aquatic physical therapy lasting 10 minutes...
May 2010: Revista Brasileira de Fisioterapia
In Sook Jung
PURPOSE: This study was aimed at finding the effects of cycled lighting on body weight, physiological variables and the behavioral state of LBWI (low birth weight infants) in the NICU. METHOD: The subjects were 20 LBWI at 2 NICUs. They were assigned to an experimental or control group which consisted of 10 subjects in each. Cycled light was applied to the experimental group for 10 days. RESULT: It was certified that the application of cycled lighting resulted in increased body weight and O(2) saturation, and decreased heart rate of the LBWI...
February 2005: Taehan Kanho Hakhoe Chi
Susan Aucott, Pamela K Donohue, Eileen Atkins, Marilee C Allen
Neurodevelopmental care, which is any NICU intervention undertaken to improve neurodevelopmental outcome, includes NICU design, nursing routines, nursing care plans, management of pain, feeding methods and, most importantly, encouraging parental involvement with their NICU infant. Recognition that sensory stimulation can overwhelm preterm infants and increase physiologic signs of stress led to attempts to reduce sensory input. More recent approaches judiciously add back soothing sensory input (e.g., therapeutic touch, soft music)...
2002: Mental Retardation and Developmental Disabilities Research Reviews
M Mirmiran, R L Ariagno
The fetal biological clock is an endogenous clock capable of generating circadian rhythms and responding to maternal entraining signals. By at least the third trimester of pregnancy fetal diurnal rhythms are entrainable by maternal day-night rhythms. Maternal illness during pregnancy and premature birth are obvious clinical factors that may adversely affect circadian rhythm development. Premature birth of the fetus has a most dramatic impact on maternal fetal interactions. The effect on biorhythms appears to be temporary and is greatest on the most immature infants...
August 2000: Seminars in Perinatology
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