The article, "chimney stenting vs basilica for prevention of acute coronary obstruction during transcatheter aortic valve replacement", was reviewed.The article presented a retrospective, multi-center study to compare periprocedural and 1-year outcomes of chimney and bioprosthetic or native aortic scallop intentional laceration to prevent iatrogenic coronary artery obstruction (basilica) in transcatheter aortic valve replacement (tavr) patients at high risk of coronary obstruction (co).Devices included were: mitroflow and crown (sorin); trifecta, toronto, and portico (st.Jude/abbott); freedom solo; freestyle, mosaic, hancock, corevalve, evolut r/pro (medtronic); perimount, magna ease, inspiris resilia, and sapien 3/3 ultra/xt (edwards); perceval: vascuteck elan, cryolife homograft; myval meril; and acurate neo and symetis (boston scientific).The article concluded that chimney stenting and basilica effectively prevent tavr-induced acute co.Both techniques seem to have comparable acceptable periprocedural and 1-year outcomes.[the primary author was antonio mangieri, irccs humanitas research hospital, rozzano-milan, italy.The corresponding author was mohamed abdel-wahab, department of cardiology, heart centre leipzig at university of leipzig, leipzig, germany, with corresponding email: mohamed.Abdel-wahab@medizin.Uni-leipzig.De] the time frame of the study was from january 2015 to july 2022.A total of 168 patients were included in the study of which 23.1% of patients first received an abbott device.38% of patients undergoing reintervention received an abbott device as a secondary device.The average age was 79.79 years and the majority gender was male.Comorbidities included hypertension, diabetes, prior myocardial infarction, prior stroke/transient ischemic attack, peripheral artery disease, prior permanent pacemaker, prior coronary artery bypass graft, prior percutaneous coronary intervention, chronic kidney disease, aortic regurgitation, aortic stenosis, mitral regurgitation, heart failure.
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