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Updated: Apr 29, 2026

Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation
Published on: September 24, 2021
Acute pericarditis with cardiac tamponade induced by pacemaker implantation
Masami Shingaki1, Yutaka Kobayashi2, Haruo Suzuki2
1Department of Cardiovascular Surgery, Uji Tokushukai Medical Center, Uji City, Japan singaky@hotmail.com.
Abstract:
An 87-year-old woman was diagnosed with third-degree atrioventricular block and underwent pacemaker implantation. On postoperative day 12, she experienced cardiac tamponade that was suspected on computed tomography to be caused by lead perforation; therefore, we performed open-heart surgery. However, we could not identify a perforation site on the heart, and drained a 400-mL exudative pericardial effusion. Subsequently, we diagnosed the pericardial effusion as due to pericarditis induced by pacemaker implantation. It is sometimes difficult to distinguish pericarditis from pacemaker lead perforation, so both should be included in the differential diagnosis.
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