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Localized pericardial hematoma presenting with acute hypoxemia.
Paul C Saunders1, Juan B Grau, Carol L Chen
1Division of Cardiothoracic Surgery, Department of Surgery, New York University School of Medicine, New York, New York 10016, USA.
The Annals of Thoracic Surgery
|May 28, 2005
Summary
Localized pericardial hematomas after cardiac surgery can present unusually. This case shows a thrombus compressing the pulmonary artery, causing hypoxemia via a patent foramen ovale.
Area of Science:
- Cardiology
- Cardiac Surgery
- Pulmonary Medicine
Background:
- Pericardial hematomas following cardiac surgery can manifest atypically.
- Regional cardiac dysfunction and altered hemodynamics contribute to unusual presentations.
Observation:
- A case of an extravascular thrombus compressing the main pulmonary artery is presented.
- This compression led to acute hypoxemia and right-to-left shunting.
Findings:
- Echocardiography confirmed the diagnosis of a pericardial hematoma causing pulmonary artery compression.
- The mechanism involved a patent foramen ovale facilitating right-to-left shunting.
Implications:
- Highlights the importance of considering atypical presentations of post-cardiac surgery complications.
- Emphasizes the diagnostic utility of echocardiography in such complex cases.
- Underscores the potential for significant hemodynamic compromise from localized hematomas.