Pericardiocentesis

Pericardiocentesis is a procedure in which a doctor uses a thin needle, often followed by a small catheter, to drain fluid from the pericardial sac, the thin double-layered membrane surrounding the heart. It is performed to relieve pressure on the heart when fluid buildup is interfering with its ability to pump, and the fluid removed is usually sent to a laboratory for analysis.

Origin

The term comes from Greek: 'peri' (around), 'kardia' (heart), and 'kentesis' (puncture or piercing). The procedure was first described in the early 1800s by Franz Schuh in Vienna and became safer and more widely used in the late 20th century with the introduction of echocardiographic guidance.

Significance in Asbestos Context

For patients with asbestos-related disease, pericardiocentesis is most often performed when pericardial effusion develops, sometimes as a sign of pericardial mesothelioma (rare) or as a consequence of pleural mesothelioma or metastatic disease spreading to the pericardium. The fluid drained should be sent for cytology, cell-block analysis, and often immunohistochemistry, because identifying malignant mesothelial cells can establish or confirm a mesothelioma diagnosis. The procedure report, fluid analysis, and any pathology findings become important parts of the medical record that document both the disease and its progression.

Example Sentence

When the patient developed shortness of breath and low blood pressure, the cardiology team performed an emergency pericardiocentesis and sent the bloody fluid for cytology, which later confirmed malignant mesothelial cells.

Related Terms

Pericardial effusion, Pericardial mesothelioma, Cardiac tamponade, Cytology, Thoracentesis, Echocardiography

Notes

• Ask that all drained fluid be sent for cytology, cell block, and immunohistochemistry, not just routine chemistry, because this can identify mesothelioma cells.
• Request copies of the procedure note, the volume and appearance of fluid drained (bloody effusions are notable), and all pathology reports for your records and any future claim.
• If effusion recurs, ask whether a pericardial window (a surgical drainage option) or indwelling catheter is appropriate, and whether tissue biopsy at the same time would help confirm a diagnosis.
• Tell your treating doctors about your asbestos exposure history so the differential diagnosis includes pericardial involvement by mesothelioma or metastatic pleural disease.