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Cardiac tamponade
Laurent Bodson1, Koceïla Bouferrache, Antoine Vieillard-Baron
1ICU, Section Thorax - Vascular Diseases - Abdomen - Metabolism, University Hospital Ambroise Paré, Boulogne and Faculté de Médecine Paris Ile de France Ouest, Université de Versailles Saint Quentin en Yvelines, Versailles, France.
Current Opinion in Critical Care
|July 1, 2011
Summary
Cardiac tamponade causes obstructive shock due to pericardial effusion. Echocardiography is vital for diagnosis and guiding treatment, which involves drainage for effective management.
Area of Science:
- Cardiology
- Critical Care Medicine
Background:
- Cardiac tamponade is a critical condition characterized by obstructive shock.
- The incidence of cardiac tamponade is not well-documented.
- Pericardial effusion can lead to equalization of cardiac chamber pressures and reduced venous return.
Purpose of the Study:
- To review the epidemiology, pathophysiology, diagnosis, and treatment of cardiac tamponade.
- To highlight the clinical significance of cardiac tamponade as a cause of obstructive shock.
Main Methods:
- Review of existing literature on cardiac tamponade.
- Emphasis on diagnostic modalities, particularly echocardiography.
- Discussion of therapeutic strategies.
Main Results:
- Cardiac tamponade results in elevated pericardial pressure (15-20 mmHg), equalization of intracardiac pressures, and diminished systemic venous return.
- Echocardiography is the primary diagnostic tool for identifying pericardial effusion and assessing its hemodynamic impact.
- Transesophageal echocardiography may be necessary in post-cardiac surgery cases.
Conclusions:
- Cardiac tamponade is a significant cause of obstructive shock with diverse etiologies.
- Echocardiography is fundamental for diagnosis and management.
- While fluid resuscitation and catecholamines offer temporary support, pericardial drainage is the definitive treatment.
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