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Pleural effusions following cardiac injury and coronary artery bypass graft surgery
1Saint Thomas Hospital, Nashville, Tennessee 37205, USA. RLIGHT98@yahoo.com
Insights
Post-cardiac injury syndrome and coronary artery bypass graft surgery can cause pleural effusions. Treatment varies, with NSAIDs or corticosteroids for PCIS and thoracentesis for CABG-related effusions.
Area of Science:
- Cardiology
- Pulmonology
- Internal Medicine
Background:
- Pleural effusions are a known complication following cardiac injury and surgery.
- Distinguishing between effusions from post-cardiac injury syndrome (PCIS) and coronary artery bypass graft (CABG) surgery is clinically important.
Purpose of the Study:
- To compare and contrast pleural effusions associated with PCIS and those occurring after CABG surgery.
- To outline the typical presentation, characteristics, and management strategies for each type of effusion.
Main Methods:
- Review of clinical presentations and characteristics of pleural effusions in PCIS and post-CABG patients.
- Analysis of the timing, fluid composition, and symptoms associated with each type of effusion.
- Discussion of established treatment protocols for both conditions.
Main Results:
- PCIS-related effusions are associated with fever, chest pain, and pericarditis, often treated with anti-inflammatory agents or corticosteroids.
- Post-CABG effusions are typically unilateral and left-sided; early effusions are bloody with eosinophils, while late effusions are lymphocytic.
- Dyspnea is the primary symptom for post-CABG effusions, which are often managed with therapeutic thoracentesis.
Conclusions:
- Pleural effusions in PCIS and post-CABG surgery have distinct clinical features and etiologies.
- Understanding these differences guides appropriate diagnosis and management, improving patient outcomes.
Abstract:
This article discusses the pleural effusions that occur with the post-cardiac injury (Dressler's) syndrome (PCIS) and those that occur after coronary artery bypass graft (CABG) surgery. The PCIS can occur after any type of cardiac injury and is thought to be due to anti-myocardial antibodies. The primary symptoms are fever and chest pain, and pericarditis is frequently present. Pleural effusions are common with PCIS. The primary treatment for PCIS is a nonsteroidal anti-inflammatory agent or corticosteroids. Following CABG surgery, most patients will have a small unilateral left-sided pleural effusion, and approximately 10% of patients will have a larger effusion. These large effusions can be separated into early effusions occurring within the first 30 days of surgery that are bloody exudates with a high percentage of eosinophils, and late effusions occurring more than 30 days after surgery that are clear yellow lymphocytic exudates. The primary symptom of a patient with a pleural effusion post-CABG surgery is dyspnea; chest pain and fever are uncommon. Most patients with large pleural effusions postCABG surgery are managed successfully with one to three therapeutic thoracenteses.
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