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Pericardial effusion and pericardial compartments after open heart surgery. An analysis by computed tomography and
O Duvernoy1, S G Larsson, K Persson
1Department of Diagnostic Radiology, University of Uppsala, Sweden.
Insights
Computed tomography (CT) is valuable for diagnosing pericardial effusions after heart surgery. CT imaging helps identify localized fluid collections, guiding drainage procedures for better patient outcomes.
Area of Science:
- Cardiology
- Radiology
- Thoracic Surgery
Background:
- Pericardial effusion is a potential complication following open heart surgery.
- Accurate diagnosis and localization of effusions are crucial for effective treatment.
Purpose of the Study:
- To evaluate the utility of computed tomography (CT) in characterizing pericardial effusions post-open heart surgery.
- To assess CT's role in guiding pericardiocentesis procedures.
Main Methods:
- Computed tomography (CT) was performed on 33 patients with post-open heart surgery pericardial effusion.
- Echocardiography was used in 12 patients prior to pericardiocentesis.
- Effusions were classified based on CT findings, noting patterns related to postoperative adhesions.
Main Results:
- CT identified typical patterns of localized pericardial effusions in 16 out of 33 patients.
- Localized compartments were observed around the heart, aorta, and pulmonary artery.
- CT imaging demonstrated the spatial distribution of effusions, influenced by adhesions.
Conclusions:
- Computed tomography (CT) is effective in visualizing and characterizing pericardial effusions after cardiac surgery.
- CT findings aid in identifying localized effusion patterns due to adhesions.
- CT is valuable for selecting the optimal approach for catheter-guided pericardiocentesis.
Abstract:
Thirty-three patients with pericardial effusion after open heart surgery were investigated with computed tomography (CT). Twelve of the 33 patients also underwent echocardiography prior to pericardiocentesis. The effusions were typed according to the results of the CT investigation. Because of postoperative adhesions, typical patterns of localized pericardial effusions were found in 16 patients. The localized compartments were seen on the right and left side of the heart and around the aorta and the pulmonary artery. CT was therefore shown to be of value for selecting the approach for drainage with catheter pericardiocentesis.