Key result
Chimney stenting effectively restores coronary flow during impending or established coronary obstruction in TAVI.
Why the study?
Acute coronary artery obstruction is a rare but life-threatening complication of transcatheter aortic valve implantation, and pre-emptive coronary artery protection offers a bailout treatment option.
Answers are grounded in this paper and cite their sources.
May support chimney stenting as bailout for TAVI obstruction; extends registries but leaves open randomized confirmation.
Acute coronary artery obstruction is a rare but life-threatening complication of transcatheter aortic valve implantation. In patients at risk of coronary artery obstruction, pre-emptive coronary artery protection with a coronary wire, balloon or stent provides a bailout treatment option. The authors describe the steps involved in performing chimney stenting and summarise the short- and long-term outcome data associated with this technique.
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Rosseel et al. (2020) conducted a review in Severe aortic valve stenosis at risk of coronary artery obstruction during TAVI. Chimney stenting was evaluated. Chimney stenting provides an effective bailout treatment option for the restoration of coronary flow in cases of impending or established coronary artery obstruction during TAVI.
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