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Effect Of Reducing Level Of Light And Noise Intensity On The premature Heart Rate And Oxygen Saturation At The Nursery Ward

تأثير خفض مستوى شدة الضوء والضجة على معدل النبض والأكسجة لدى الأطفال الخدج في قسم الحواضن

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 Publication date 2015
  fields Nursing
and research's language is العربية
 Created by وعد علي




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Preterm birth is the leading cause of death for children under one year of age, and the main reason for the child to enter the incubator. Despite medical advances and technical winning in the care of premature infants., but they are exposed in Nursery Ward for environment stimuli not compatible with their level of developmental and evolutionary such as high levels of light and the noise that exceed the recommended levels in Nursery Ward. This leads to stress reactions by premature immature systems. demonstrating in one of their faces instability in vital indicators especially heart rate and oxygenation which may submit him for a short or long-term injuries . Aim of the study: Determine the effect of reducing the level of light and noise intensity in environment of Nursery Ward on the heart rate and oxygenation for premature infants. Materials & Methods: This true experimental design study of before and after on a sample of 30 premature acceptable in the Nursery Ward in Albasel Hospital in Tartous. they were selected in simple random way. Data were collected using a list to record demographic and health information for the mother and premature. reads of light-meter and noise-meter sitting beside the premature incubator, and reads of Oxy-meter connected to the premature wrist. was taken to every 5 minutes in each phase of the four phases, 60 minutes for each one, and conducted in the same day.1) Non intervention phase. 2) reduce light Intensity without noise Intensity reduction phase.3) reduce noise Intensity without light Intensity reduction phase.4) reduce light and noise Intensity together phase. These data were collected and analyzed using appropriate statistical programs. Results: This study showed a significant decrease in the mean of heart rate and a significant increase in the mean of oxygenation in the last three phases, compared with means in the first phase. This reduction and increase in the means was larger significantly in the fourth stage compared with the second and third phases. That because reducing light and noise will reduce its physiological stress to premature thus lower the pulse rate and increasing oxygenation. We can thus reduce the use of light and noise measures to improve the care environment for premature.


Artificial intelligence review:
Research summary
تتناول هذه الدراسة تأثير خفض مستوى شدة الضوء والضجة على معدل النبض والأكسجة لدى الأطفال الخدج في قسم الحواضن. تم إجراء الدراسة في مشفى الباسل في طرطوس على عينة من 30 خديج باستخدام تصميم تجريبي حقيقي. تم تقسيم الدراسة إلى أربع مراحل: مرحلة قبل التداخل، مرحلة خفض الضوء دون الضجة، مرحلة خفض الضجة دون الضوء، ومرحلة خفض الضوء والضجة معًا. أظهرت النتائج انخفاضًا هامًا في معدل النبض وزيادة في معدل الأكسجة في المراحل الثلاث الأخيرة مقارنة بالمرحلة الأولى، وكان التأثير الأكبر في المرحلة الرابعة. تشير النتائج إلى أن خفض الضوء والضجة معًا يمكن أن يحسن بيئة الرعاية للخدج ويقلل من الإجهاد الفيزيولوجي.
Critical review
تعتبر هذه الدراسة خطوة مهمة نحو تحسين بيئة الرعاية للأطفال الخدج في أقسام الحواضن. ومع ذلك، هناك بعض النقاط التي يمكن تحسينها. أولاً، حجم العينة كان صغيرًا نسبيًا (30 خديج)، مما قد يؤثر على تعميم النتائج. ثانيًا، لم يتم تناول التأثيرات الطويلة الأمد لهذه التدخلات على صحة الأطفال الخدج. ثالثًا، كان من الممكن استخدام تقنيات أكثر تقدمًا لقياس شدة الضوء والضجة بشكل أكثر دقة. وأخيرًا، كان من الأفضل تضمين مجموعة ضابطة لمقارنة النتائج بشكل أكثر وضوحًا.
Questions related to the research
  1. ما هو الهدف الرئيسي من هذه الدراسة؟

    الهدف الرئيسي هو تحديد تأثير خفض مستوى شدة الضوء والضجة في بيئة قسم الحواضن على معدل النبض والأكسجة لدى الأطفال الخدج.

  2. ما هي المراحل الأربع التي تم تقسيم الدراسة إليها؟

    المراحل هي: مرحلة قبل التداخل، مرحلة خفض الضوء دون الضجة، مرحلة خفض الضجة دون الضوء، ومرحلة خفض الضوء والضجة معًا.

  3. ما هي النتائج الرئيسية التي توصلت إليها الدراسة؟

    أظهرت النتائج انخفاضًا هامًا في معدل النبض وزيادة في معدل الأكسجة في المراحل الثلاث الأخيرة، وكان التأثير الأكبر في المرحلة الرابعة.

  4. ما هي التوصيات التي قدمتها الدراسة لتحسين بيئة الرعاية للخدج؟

    توصي الدراسة باستخدام إجراءات خفض الضوء والضجة كسياسة في قسم الحواضن، وتدريب الطاقم التمريضي على التحكم بمصادر الضوء والضجة.


References used
47. Raoof, A ;Ohlsson, A. (2013). Noise reduction management in the neonatal intensive care unit for preterm or very low birthweight infants. Cochrane Database of Systematic Reviews. 1,1-15
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Nursery ward is the safe place for premature after deliverey . It contains the basic requirements of life to him. but full of noise caused by alarms of devices, conversations of health team, ringing phones, and close the doors, exceeds what is reco mmended by the American Academy of Pediatrics in the Nursery wards 45 dBA (decibel A-weighting). Although it stimulates the autonomic system leading to physiologic instability like disorder in the level of oxygenation. We found in this study conducted on 30 premature with pre and post test, that the level of noise within first hour of non interventions reached 67.2 dBA, level of oxygenation inversely with noise level in it, and reduction of noise level under 45 dBA at second hour increases the oxygenation significantly. so we suggests to make reduce noise interventions within daily practices of nursing procedures, and subsequent research to study effect of noise on the rest of vital premature indicators.
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