Apnea of prematurity and sudden infant death syndrome

Richard J Martin1, Lisa J Mitchell1, Peter M MacFarlane1

  • 1Division of Neonatology, Department of Pediatrics, Rainbow Babies & Children's Hospital, Case Western Reserve University, Cleveland, OH, United States.

Insights

Apnea in preterm infants signals immature respiratory control, increasing Sudden Infant Death Syndrome (SIDS) risk. Understanding respiratory control development is crucial for preventing these conditions.

Area of Science:

  • Neonatology
  • Neuroscience
  • Respiratory Physiology

Background:

  • Apnea is common in preterm infants, especially those born extremely prematurely.
  • This suggests an immature respiratory neural control system in these vulnerable infants.
  • Preterm infants face higher risks of Sudden Infant Death Syndrome (SIDS), linked to similar respiratory control issues.

Purpose of the Study:

  • To highlight the significance of respiratory control system development in prematurity.
  • To underscore the need for further research into the causes of apnea and SIDS.
  • To emphasize the gaps in understanding normal and abnormal respiratory control.

Main Methods:

  • This study is a review of current understanding and research gaps.
  • It synthesizes information on factors influencing respiratory control.
  • It identifies the need for novel research methodologies.

Main Results:

  • Immature respiratory neural control is a key factor in neonatal apnea.
  • Abnormalities in central and peripheral respiratory control mechanisms are implicated.
  • Environmental, genetic, and comorbid factors contribute to respiratory dysfunction.

Conclusions:

  • Significant knowledge gaps exist in understanding respiratory control development.
  • Further research using innovative methods is essential.
  • Addressing these gaps is critical for infant respiratory health and SIDS prevention.

Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
214
Breathing01:05

Breathing

The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
60.2K
Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.1K
Alterations in Respiration II01:30

Alterations in Respiration II

There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
988
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
328
Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
205