Why the study?
Does the implantation of a new stent reduce subsequent event rates in patients with mechanically caused ostial right coronary artery in-stent restenosis?
Does the implantation of a new stent reduce subsequent event rates in patients with mechanically caused ostial right coronary artery in-stent restenosis?
Mechanically caused ostial right coronary artery in-stent restenosis is associated with high subsequent event rates, particularly when treated without deploying a new stent.
Answers are grounded in this paper and cite their sources.
High event rates in unstented mechanical ostial RCA ISR warrant caution; leaves open randomized confirmation of stenting benefit.
Half of the ostial RCA ISRs were due to mechanical causes. Subsequent event rates were high, especially in mechanically caused ISRs treated without the implantation of a new stent.
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Yamamoto et al. (2023) studied this question.
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