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Should pericardial drainage be performed routinely in patients who have a large pericardial effusion without
J Mercé1, J Sagristà-Sauleda, G Permanyer-Miralda
1Servei de Cardiologia, Hospital General Universitari Vall d'Hebron, Barcelona, Spain.
Insights
Routine drainage of large pericardial effusion without tamponade offers minimal diagnostic or therapeutic benefit. Conservative management is often sufficient, as outcomes depend on underlying conditions, not fluid removal.
Area of Science:
- Cardiology
- Internal Medicine
- Diagnostic Procedures
Background:
- Large pericardial effusion requires careful management decisions.
- Pericardial effusion without tamponade or purulent pericarditis presents a diagnostic challenge.
- The role of routine drainage in such cases is debated.
Purpose of the Study:
- To evaluate the justification of routine pericardial effusion drainage (pericardiocentesis or surgery).
- To assess the diagnostic yield and therapeutic benefit of drainage in specific patient groups.
- To determine if initial drainage influences clinical outcomes in large pericardial effusion without tamponade or suspected purulent pericarditis.
Main Methods:
- Retrospective and prospective review of patients with large pericardial effusion (diastole > 20 mm).
- Inclusion criteria: large pericardial effusion without tamponade or suspected purulent pericarditis.
- Comparison of outcomes between patients undergoing drainage versus conservative management.
Main Results:
- Only 71 of 162 diagnosed patients met inclusion criteria; 26 underwent drainage.
- Diagnostic yield of drainage procedures was low (7%), yielding only 2 specific diagnoses.
- No cardiac tamponade, death from pericardial disease, or new diagnoses occurred during follow-up in patients managed conservatively or those who underwent drainage.
- Persistent moderate/large effusions occurred in only 2 of 45 conservatively managed patients.
Conclusions:
- Routine pericardial drainage has a low diagnostic yield and no clear therapeutic benefit in this patient population.
- Clinical outcomes are primarily determined by underlying diseases, not pericardial fluid drainage.
- Conservative management appears safe and effective for large pericardial effusion without tamponade or suspected purulent pericarditis.
Purpose:
To assess whether drainage of pericardial effusion by pericardiocentesis or surgery is justified as a routine measure in the initial management of patients with large pericardial effusion without tamponade or suspected purulent pericarditis.
Subjects And Methods:
All patients with large pericardial effusion without tamponade or suspected purulent pericarditis who were seen at our institution during a span of 6 years (1990 to 1995) were retrospectively (46) or prospectively (25) reviewed. Large pericardial effusion was defined as a sum of echo-free pericardial spaces in diastole exceeding 20 mm.
Results:
Large pericardial effusion was diagnosed in 162 patients, 71 of whom fulfilled criteria for inclusion. Of these, 26 underwent a pericardial drainage procedure. Diagnostic yield was 7%, as only 2 specific diagnoses were made using these procedures. During follow-up (95% of patients, median 10 months), no patient developed cardiac tamponade or died as a result of pericardial disease, nor did any new diagnoses become manifest in the 45 patients who did not have pericardial drainage initially. Moderate or large effusions persisted in only 2 of 45 patients managed conservatively.
Conclusions:
Routine pericardial drainage procedures have a very low diagnostic yield in patients with large pericardial effusion without tamponade or suspected purulent pericarditis, and no clear therapeutic benefit is obtained with this approach. Clinical outcomes depend on underlying diseases, and do not appear to be influenced by drainage of pericardial fluid.