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Environmental factors influencing weaning of a young child from mechanical ventilator support
K L Lemanek1, K Zanolli, S E Levy
1Department of Human Development and Family Life, University of Kansas, Lawrence 66045, USA.
Insights
Behavioral and environmental factors significantly impact weaning children with chronic respiratory failure from mechanical ventilation (MV). Aberrant behaviors, especially during tasks, require careful consideration for successful MV weaning.
Area of Science:
- Pediatrics
- Respiratory Medicine
- Behavioral Science
Background:
- Chronic respiratory failure in children necessitates mechanical ventilation (MV).
- Weaning from MV requires careful consideration of physiological and environmental factors.
- Pediatric patients with complex medical and developmental disorders present unique weaning challenges.
Observation:
- A 6-year-old child with multiple disorders underwent intermittent mechanical ventilation (IMV) at varying rates (24, 22, 20 breaths/min).
- Behavioral observations focused on aberrant behaviors (e.g., self-aggression) during task-oriented versus play settings.
- Adult responses to child behaviors were also recorded during task, attention, and no-attention conditions.
Findings:
- Aberrant behaviors were most frequent during task-oriented activities compared to play, irrespective of adult attention during play.
- Adults responded more frequently to aberrant behaviors exhibited during task-oriented conditions.
Implications:
- Developmental and behavioral variables are crucial for successful pediatric mechanical ventilation weaning protocols.
- Environmental modifications and behavioral support may optimize weaning outcomes in children with chronic respiratory failure.
- Further research is warranted to integrate behavioral interventions into respiratory care for pediatric patients.
Abstract:
We examined the contribution of physiologic and environmental variables to the process of weaning a child with chronic respiratory failure from mechanical ventilation support. Surveillance measures, e.g., blood oxygenation, were obtained from a 6-year-old child with multiple medical and developmental disorders who received three different rates (24, 22, and 20 tidal volumes per minute) of intermittent mechanical ventilation. Direct observations were used to calculate rates of aberrant behavior, e.g., aggression toward self, for task versus play settings within the intermittent mechanical ventilation rates. Rates of aberrant behavior and adult responses were tabulated from videotaped observations for task, attention, and no attention settings. The greatest rate of aberrant behavior occurred during tasks compared with play activities, regardless of whether attention was provided while playing. Adults also responded more often to aberrant behaviors during task versus play conditions. Clinical implications are discussed concerning the inclusion of developmental and behavioral variables during weaning from mechanical ventilation.