Key result
LAD chronic total occlusion exhibits spontaneous recanalization 3 years after failed PCI.
Case Report (n=1)
This case report highlights the rare possibility of spontaneous recanalization of a chronic total occlusion years after a failed PCI attempt.
Rare late recanalization possible after failed CTO PCI; single case leaves open incidence, predictors, and mechanisms for prospective study.
Chronic total occlusion (CTO) of coronary artery remains the Achilles heel of the interventional cardiologist and is present in a significant proportion of referrals for coronary artery bypass graft surgery (CABG); however, with the development and standardization of modern CTO recanalization techniques, it has been able to achieve excellent success while coping with lesions of increasing complexity. Nevertheless, failure to recanalize despite the development of new techniques still remains one of the challenges in the field of interventional cardiology. Spontaneous recanalization has been described in nonocclusive coronary artery dissections in detail; none has addressed the possibility of spontaneous recanalization after failed percutaneous coronary intervention (PCI). We report a case of spontaneous but delayed recanalization of CTO of left anterior descending artery 3 years after attempted but failed revascularization during PCI.
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Guragai et al. (2018) conducted a case report in Chronic total occlusion of the left anterior descending artery (n=1). Attempted percutaneous coronary intervention was evaluated on Spontaneous recanalization. A 76-year-old man exhibited delayed spontaneous recanalization of a chronic total occlusion in the left anterior descending artery 3 years after a failed percutaneous coronary intervention.
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