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Related Concept Videos

Assessment of Ventilation I: Respiratory Rate01:20

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Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
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Factors Affecting Pulmonary Ventilation01:19

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Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
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Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
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Construction of a Low-cost Mobile Incubator for Field and Laboratory Use
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Preterm Infant Incubator Humidity Levels: A Systematic Review.

Laurie Glass1, Anna Valdez

  • 1Neonatal Intensive Care Unit, UPMC Magee Hamot Womens Hospital, Erie, Pennsylvania (Dr Glass); and School of Nursing, College of Health Services, Walden University, Minneapolis, Minnesota (Dr Valdez).

Advances in Neonatal Care : Official Journal of the National Association of Neonatal Nurses
|October 3, 2020
PubMed
Summary
This summary is machine-generated.

Maintaining optimal incubator humidity is crucial for preterm infants. Levels between 60%-70% in the first week effectively reduce transepidermal water loss (TEWL) and support skin barrier formation in infants born at 26 weeks or later.

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Area of Science:

  • Neonatal care
  • Perinatal medicine
  • Pediatric dermatology

Background:

  • Inconsistent incubator humidity in neonatal intensive care units (NICUs) is a recognized concern.
  • Evidence synthesis is required to establish optimal incubator humidity levels and duration.
  • The goal is to decrease transepidermal water loss (TEWL) and reduce infection risk in preterm infants.

Purpose of the Study:

  • To systematically review and synthesize evidence on preterm infant outcomes related to incubator humidity.
  • To determine the impact of incubator humidity levels and duration on patient outcomes.
  • Focus on premature infants born before 32 0/7 weeks gestational age in the NICU.

Main Methods:

  • Systematic review based on Joanna Briggs Institute methodology.
  • Application of Mefford's theory of health promotion for preterm infants.
  • Evidence classification using Johns Hopkins evidence-based practice levels and quality assessment.

Main Results:

  • Twelve studies met the inclusion criteria for the review.
  • Incubator humidity is beneficial but carries risks, including increased microbial growth at high levels.
  • Lowering incubator humidity after the first week effectively prevents TEWL and improves skin barrier formation.

Conclusions:

  • An incubator humidity of 60%-70% during the first week is effective for preventing TEWL in infants born at 26 weeks or later.
  • Further research is needed to determine optimal incubator humidity for infants born before 26 weeks.
  • Video abstract available for further details.