<unk>  is the surgical removal of part or most of the pericardium. This operation is most commonly used to relieve constrictive pericarditis, or to remove a pericardium that is calcified and fibrous. It may also be used for severe or recurrent cases of pericardial effusion. Post-operative outcomes and mortality are significantly impacted by the disease it is used to treat.
Pericardiectomy
Pericardial window
Cardiomyoplasty
Corticotomy
Pericardiocentesis
Balloon tamponade
Pulmonary tractotomy
Ventriculectomy