Congenital partial agenesis of pericardium is a rare mostly asymptomatic congenital heart malformation mainly characterized by the partial absence of the left pericardium. It is occasionally associated with chest pain or dyspnea and is usually incidentally diagnosed during surgery or at autopsy. Herniation and strangulation of a portion of the heart through the pericardial foramen may occur resulting in myocardial acute ischemia and possible sudden death. Right side pericardium involvement is rare.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Congenital partial agenesis of pericardium?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
Heart of a Giant Foundation
The mission of the HGF is to achieve better health outcomes for heart diseases and related chronic health conditions in our communities and enhance the quality of life through health education, care support, and connection to community resources.
Don't see your organization here. Let us know here.
Clinical Trials
For a list of clinical trials in this disease area, please click here.
