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Preterm infants' behavioural indicators of oxygen decline during bottle feeding
Suzanne M Thoyre1, John R Carlson
1School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7460, USA. thoyre@email.unc.edu
Insights
Preterm infants show few behavioral cues before oxygen desaturation during bottle-feeding. Monitoring breathing and sucking patterns is key to preventing oxygen decline and supporting infant regulation.
Area of Science:
- Neonatal care
- Infant development
- Respiratory physiology
Background:
- Preterm infants often experience physiological instability during oral feeding skill development.
- Caregiver assistance is frequently needed to maintain adequate oxygenation in preterm infants.
- Understanding self-regulation of oxygen status is crucial for optimizing feeding support.
Purpose of the Study:
- To identify behavioral indicators of declining oxygenation in preterm infants during early bottle-feeding.
- To explore the relationship between infant behavior and oxygen saturation levels.
- To inform strategies for supporting preterm infants during oral feeding.
Main Methods:
- Explorative design utilizing secondary analysis of 20 videotaped preterm infant bottle feedings.
- Concurrent oxygen saturation data was collected alongside behavioral observations.
- Infant behaviors and breathing quality were coded and compared across three oxygen saturation states: high, preceding desaturation, and during desaturation.
Main Results:
- Limited behavioral indicators of declining oxygenation were observed in preterm infants.
- Prior to desaturation, infants exhibited increased eye flutter and were typically sucking and apneic.
- During desaturation events, infants typically relaxed their limbs and ceased sucking.
Conclusions:
- Relying solely on behavioral cues is insufficient for detecting oxygen desaturation in preterm infants during feeding.
- Monitoring breath sounds and sucking patterns are vital intervention strategies.
- Protecting infant sucking pauses may aid breathing regulation and reduce desaturation events.
Background:
During the time when preterm infants' oral feeding skills are developing they often experience physiological instability and need assistance from caregivers to maintain adequate oxygenation. Assisting infants to maintain optimal oxygenation during oral feeding requires an understanding of how they express and aim to self-regulate their oxygen status.
Aim:
The purpose of this study was to identify potential behavioural indicators of declining oxygenation during preterm infant early bottle-feeding.
Method:
The design was explorative. Data were collected from a secondary analysis of 20 videotapes of preterm infant bottle feedings which included concurrent oxygen saturation data. In this analysis infant behaviours and quality of breathing were coded and compared across three periods: high oxygen saturation, immediately preceding an oxygen desaturation event, and during an oxygen desaturation event.
Findings:
Infants gave limited behavioural indicators of declining oxygenation. Immediately prior to a desaturation event, they had an increase in eye flutter and were typically sucking and apnoeic. During a desaturation event, they typically relaxed their arms/hands and stopped sucking.
Conclusions:
Reliance on preterm infant behavioural cues will be insufficient for detection of oxygen desaturation during oral feeding. Attention to changes in breath sounds and to the pattern of sucking are potentially important intervention strategies for the prevention of and appropriate response to oxygen decline during feeding. Sucking pauses may be a time when preterm infants aim to regulate their breathing pattern and thereby increase oxygenation. Interventions that focus on detection and minimization of apnoea during feeding, and which aim to protect infant sucking pauses, may reduce the number and severity of desaturation events preterm infants experience during bottle feeding.
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