Abstract
Cor pulmonale refers to cardiac dysfunction consecutive to pulmonary disease. It reflects an uncoupling between the right ventricle and the pulmonary circulation. It is characterized by right ventricular (RV) overload in diastole and in systole, due to an increased right ventricular afterload. Two clinical entities are differentiated: acute cor pulmonale corresponds to an abrupt increase, leading to RV dysfunction or failure and may be observed in ARDS, anatomically massive pulmonary embolism, but also in mechanically ventilated patients in case of any situation with impaired RV contractility (sepsis, infarction,….); chronic cor pulmonale corresponds to a chronic and progressive increase in RV afterload, allowing the right ventricle to adapt up to a certain point (in this case, the right ventricle is hypertrophic). Echocardiography is the cornerstone of the diagnosis and the pivotal exam to distinguish acute and chronic cor pulmonale, even though the distinction is not always obvious and may be supported in part by the clinical scenario. We review the pathophysiology of the right ventricle and describe the diagnosis and treatment of cor pulmonale.
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Abbreviations
- ARDS:
-
Acute respiratory distress syndrome
- CVP:
-
Central venous pressure
- LV:
-
Left ventricle
- MRI:
-
Magnetic resonance imaging
- PAC:
-
Pulmonary artery catheter
- PAOP:
-
Pulmonary artery occlusion pressure.
- PAP:
-
Pulmonary artery pressure
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Repessé, X., Charron, C., Vieillard-Baron, A. (2014). Cor Pulmonale. In: Gaine, S., Naeije, R., Peacock, A. (eds) The Right Heart. Springer, London. https://doi.org/10.1007/978-1-4471-2398-9_12
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DOI: https://doi.org/10.1007/978-1-4471-2398-9_12
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