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Cardiac tamponade due to pneumopericardium
Maximo H Trujillo1, Carlos F Fragachan, Francisco Tortoledo
1Critical Care Units of the Instituto Médico La Floresta and The University Hospital of Caracas, and Laboratory of Interventional Cardiology, Caracas, Venezuela. maxtrujilo@telcel.net.ve
Cardiology
|September 24, 2005
Summary
A newborn on mechanical ventilation developed cardiac tamponade from pneumopericardium. This rare, life-threatening complication mimics fluid-induced cardiac tamponade and requires urgent diagnosis and treatment.
Area of Science:
- Neonatal Medicine
- Pediatric Critical Care
- Cardiology
Background:
- Mechanical ventilation is crucial for neonates with acute respiratory distress syndrome (ARDS).
- High ventilator pressures, including peak inspiratory pressure (PIP) and positive end-expiratory pressure (PEEP), are sometimes necessary for adequate gas exchange.
- Complications of mechanical ventilation can arise, necessitating vigilant monitoring.
Observation:
- A neonate with ARDS required mechanical ventilatory support with high PIP and PEEP.
- The neonate subsequently developed pneumopericardium, a condition where air accumulates in the pericardial sac.
- This led to tension pneumopericardium, causing cardiac tamponade.
Findings:
- Tension pneumopericardium can present identically to cardiac tamponade caused by fluid accumulation.
- The physiological derangement in this case mimicked that of traditional cardiac tamponade.
- Pneumopericardium, particularly under tension, is a critical iatrogenic complication.
Implications:
- Immediate diagnosis and intervention are crucial for managing tension pneumopericardium and cardiac tamponade in neonates.
- Clinicians should consider pneumopericardium in neonates on mechanical ventilation presenting with signs of cardiac compromise.
- This case highlights the importance of recognizing rare but severe complications associated with high-level mechanical ventilatory support in neonates.