Respiratory Failure in a Child Due to Type 2 Postobstructive Pulmonary Edema

Area of Science:

• Pediatric Emergency Medicine
• Pulmonary Medicine
• Critical Care

Background:

• Postobstructive pulmonary edema (POPE) is a critical condition following upper airway obstruction.
• Type 1 POPE arises from sudden, severe obstruction, while Type 2 POPE develops after relieving chronic obstruction.

Observation:

• A 12-year-old boy with untreated sleep apnea presented with respiratory distress post-appendectomy.
• He required intubation with significant frothy fluid suctioned, followed by oxygenation challenges.
• Ventilator management with high positive end-expiratory pressure (PEEP) led to improvement.

Findings:

• Type 2 POPE should be suspected in pediatric patients with respiratory distress and a history of sleep apnea.
• Optimal ventilator management involves PEEP levels of 10-15 cm H2O.
• Diuretic and steroid use remains controversial; most patients improve with 24-48 hours of support.

Implications:

• Pediatric emergency physicians must recognize Type 2 POPE, especially postoperatively.
• Awareness of surgical and anesthetic complications in the early post-operative period is crucial.
• This case highlights the importance of considering POPE in patients with underlying sleep apnea.