The article, "bovine pericardial versus porcine bioprosthetic aortic valves: a nationwide population-based cohort study in korea", was reviewed.The article presented a retrospective, multicenter study to compare the clinical outcomes of aortic valve replacement using bovine pericardial and porcine bioprostheses, utilizing a nationwide administrative claims database.Devices included in this study were hancock ii valve, mosaic valve, sjm epic valve, sjm epic supra valve, sjm bicor porcine valve, toronto spv valve, soprano pericardial heart valve, carpentier edwards perimount magna tfx valve, carpentier edwards perimount valve, pericarbon more pericardial heart valve, avalus bioprosthesis, trifecta valve, mitroflow aortic pericardial heart valve/crown prt aortic heart valve, intuity elite valve system, and perceval s.The article concluded in this large nationwide cohort study of patients undergoing bioprosthetic aortic valve replacement utilization of porcine prostheses was significantly associated with an increased risk of reoperation than that of bovine prostheses, supporting previous findings.[the primary and corresponding author was joon bum kim, department of thoracic and cardiovascular surgery, asan medical center, university of ulsan college of medicine, olympic-ro 43-gil, songpa-gu, 20 seoul, 05505, republic of korea, with corresponding email: jbkim1975@amc.Seoul.Kr] the time frame of the study was from january 2003 to december 2018.A total of 7715 patients were included in this study, though it could not be confirmed how many received an abbott device.The average age was 72.1 years for patients given a bovine valve, and 72.2 years for patients given a porcine valve.The average gender was male.Comorbidities included hypertension, diabetes mellitus, dyslipidemia, atrial fibrillation, chronic kidney disease, dialysis, stroke, transient ischemic attack, systemic embolism, ischemic heart disease, myocardial infarction, prior percutaneous coronary intervention, congestive heart failure, anemia, chronic pulmonary obstructive disease, asthma, peripheral vascular disease, prior cardiac surgery, prior cancer, aortic stenosis, aortic regurgitation, smoking, alcohol use.
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