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[Obstructive apnea and periodic respiration in premature infants]
B Schlüter1, D Buschatz, E Trowitzsch
1Vestische Kinderklinik Datteln.
Insights
Preterm infants experience more obstructive apnea, a common breathing issue. This study highlights their increased risk for upper airway obstruction in early life.
Area of Science:
- Neonatal Medicine
- Respiratory Physiology
- Pediatric Sleep Medicine
Context:
- Cardiorespiratory function disturbances are prevalent in preterm infants.
- Idiopathic apnea of prematurity poses significant clinical challenges.
- Polysomnography is crucial for evaluating sleep-related breathing disorders.
Purpose:
- To determine the frequency and severity of idiopathic apnea in preterm infants.
- To compare apnea events (central, obstructive, periodic breathing) between preterm and full-term infants.
- To investigate the correlation between gestational age and apnea characteristics.
Summary:
- Apnea frequency showed an inverse correlation with gestational age in both preterm and term infants.
- Obstructive apnea was significantly more frequent in preterm infants compared to term infants during early infancy.
- No significant differences were observed in central apnea or periodic breathing between the groups.
Impact:
- Preterm infants exhibit a predisposition to upper airway obstruction in early life.
- Findings underscore the importance of monitoring for obstructive apnea in neonates.
- This research contributes to understanding and managing cardiorespiratory instability in premature infants.
Background:
Disturbances of cardiorespiratory function are common clinical problems in preterm infants. Polygraphic recordings during sleep were performed in order to determine frequency and severity of idiopathic apnea of prematurity.
Method:
In 137 preterm infants at the corrected age of < +/- 0 weeks, 0-12 weeks, 13-24 weeks and > or = 25 weeks respectively central and obstructive apnea and periodic breathing were recorded by polysomnography including nasal airflow and thoracic and abdominal breathing movements and compared with 50 normal full-term infants.
Results:
Apnea frequency was inversely correlated to gestational age in premature and term infants. Whereas no differences were found concerning central apnea and periodic breathing, obstructive apnea occurred more frequently in premature than in term infants during the first weeks of life.
Conclusions:
Conclusively, in early infancy premature infants have an inclination to upper airway obstruction.