The chimney technique has been utilized to minimize the risk of coronary artery obstruction during valve-in-valve procedures. Here, we present a case involving an 89-year-old female patient with low coronary ostia, severe aortic regurgitation, and intractable heart decompensation caused by degenerated aortic bioprosthesis. The patient underwent a successful transcatheter aortic valve implantation procedure using the chimney technique in both coronary ostia.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10725899PMC
http://dx.doi.org/10.3389/fcvm.2023.1270782DOI Listing

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