A descriptive, comparative project will be conducted utilizing a retrospective chart review on patients at Methodist Mansfield Medical Center(MMMC) undergoing cardiac surgery requiring pericardial repair between the dates of January 1, 2017 through December 31, 2022. The project will compare outcomes of a pre- and post-intervention following use of Gentrix ECM and the CorMatrix Extracellular Matrix(ECM) pericardial patch using information gathered from the patient's electronic health record (EHR). The main outcome measures of post-operative Length of Stay(LOS), all-cause unplanned readmission within 30 days, and significant pleural effusion requiring thoracentesis within 30-days and 60 days as well as long-term (12 months) patient outcomes.