prone positioning syndrome
A constellation of cardiovascular and respiratory changes that occur when pediatric patients are placed in prone position during anesthesia.
Full Definition
Prone positioning syndrome refers to the physiological changes and potential complications that arise when children are positioned face-down during surgical procedures. In pediatric patients, prone positioning can cause decreased venous return, increased airway pressures, compression of abdominal vessels affecting cardiac output, and difficulty with ventilation due to chest wall restriction. Children are particularly susceptible due to their compliant chest wall and relatively large head size. Anesthetic considerations include careful padding, frequent position checks, monitoring for pressure points, and awareness of potential airway compromise. The syndrome is most commonly seen during spinal, neurosurgical, or plastic surgery procedures.
Usage
Usage note: Not an officially recognized syndrome name; use descriptively rather than as formal diagnosis.
In Context
- "The anesthesiologist monitored closely for signs of prone positioning syndrome during the pediatric spinal fusion." — Intraoperative monitoring
- "Prone positioning syndrome risk is higher in pediatric patients due to chest wall compliance and proportionally larger head size." — Educational material