Physiological responses to noise in preterm infants admitted to neonatal intensive care unit of a tertiary referral hospital in South India

D’Souza, Sonia RB and Lewis, Leslie and Kumar, Vijay and Bhat, Ramesh Y and Jayashree, P and Prakash, Hari and Kamath, Asha (2018) Physiological responses to noise in preterm infants admitted to neonatal intensive care unit of a tertiary referral hospital in South India. Medico-Legal Update, 18 (1). pp. 137-141. ISSN 0971-720X

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Abstract

Background: The preterm infants admitted to a high-tech Neonatal Intensive Care Unit (NICU) are vulnerable to noise in the environment. Aim of the study: To determine the physiological responses of preterm infants exposed to noise in the NICU. Materials and Methods: Noise levels in the NICU were measured using calibrated Sound Level Meter (SLM) i.e, Hand Held Analyzer Type 2250, Brüel and Kjær, Denmark. The physiological responses of preterm infants were recorded in the Phillips IntelliVue MP20 Junior multichannel monitors. Results: The maximum hourly equivalent sound LAeq of 62.12 + 2.24 dB A was found on the 2nd day of the measurement that was carried out for a week’s time. The preterm infants cared for in the open care system were exposed to noise levels as high as 78.89 dB A over a period of 24 hours. There was a slight increase in heart rate (HR) on the second day, third day and sixth day of the measurement. Respiratory rate (RR) and Oxygen saturation (SpO2) were within normal range. Conclusion: The study has found that preterm infants were exposed to noise above the recommended levels on a day-to-day basis.

Item Type: Article
Uncontrolled Keywords: Physiological responses; preterm infants; noise; NICU.
Subjects: Allied Health > MCOAHS Manipal > Speech and Hearing
Departments at MU > Statistics
Nursing > MCON Manipal > Obstetrics and Gynaecology
Medicine > KMC Manipal > Paediatrics
Medicine > KMC Manipal > Paediatric Surgery
Depositing User: KMC Library
Date Deposited: 20 Jun 2018 11:09
Last Modified: 20 Jun 2018 11:09
URI: http://eprints.manipal.edu/id/eprint/151308

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