What is the role of invasive cardiac procedures in the etiology of acute pericarditis?

Updated: Apr 02, 2019
  • Author: Sean Spangler, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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Electrophysiologic studies, radiofrequency ablation, pacemaker implantation, and percutaneous coronary intervention are among several invasive cardiac procedures that can cause pericarditis.

Postpericardiotomy syndrome is similar to Dressler syndrome, except that postpericardiotomy syndrome occurs after cardiac surgery. Several series note an incidence rate of 10-40%; approximately 1% of patients with postpericardiotomy syndrome develop tamponade.

Pericardial effusions can occur in the absence of typical features of postpericardiotomy syndrome. In one study, 56% developed pericardial effusions early after cardiac surgery, without correlation to pericarditis or tamponade. The effusions were more common after heavy postoperative bleeding.

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