[The diagnosis of sleep apnea--possibility for the prevention of SID?]
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Infants at risk for Sudden Infant Death Syndrome (SIDS) show altered breathing patterns during sleep. Monitoring mean apnea duration (MA) may help identify infants needing intervention.
Area of Science:
- Pediatric Sleep Medicine
- Neonatology
- Respiratory Physiology
Context:
- Sudden Infant Death Syndrome (SIDS) poses a significant risk to infants.
- Identifying infants with enhanced SIDS risk is crucial for early intervention.
- Polysomnography is a key diagnostic tool for infant sleep disorders.
Purpose:
- To investigate polysomnographic findings in infants with elevated SIDS risk.
- To analyze the relationship between mean apnea duration (MA) and postnatal age in different infant groups.
- To establish normative MA values for identifying abnormal breathing patterns in infants.
Summary:
- This study polysomnographically evaluated infants at risk for SIDS, including siblings of victims and those with clinical risk factors, alongside healthy controls.
- Mean apnea duration (MA) was calculated during active and quiet sleep.
- A significant inverse correlation between MA and postnatal age was observed in full-term and preterm SIDS-risk infants during active sleep, but not in controls or siblings.
Impact:
- Identifies specific breathing pattern alterations in infants predisposed to SIDS.
- Establishes age-specific 90th percentile MA values to detect abnormal breathing.
- Provides a potential tool to aid therapeutic decisions for infants with respiratory irregularities during sleep.
Abstract:
Groups of children with a statistically enhanced risk for SIDS: siblings of SIDS-victims and other full-term and preterm infants with anamnestic signs for an enhanced risk of SIDS and a control group of healthy infants without anamnestic signs of risk were polysomnographically investigated in the first year of life. The mean apnoea duration (MA-value estimated by frequency and length of apnoeas greater than or equal to 3s) in the sleep states active and quiet sleep was calculated. During active sleep there is a significant inverse correlation between MA and postnatal age in the full-term and preterm SIDS-risk infants but not in the controls and siblings of SIDS-victims. In all age groups there are some children in the full-term and preterm infants with extremely enhanced MA-values. For 6 age groups of the first year of life the 90% percentile of the MA-value was calculated separately in the sleep states active and quiet sleep to select infants with an abnormal breathing pattern. This limit could be a help for the decision on therapy.