Key result
Retrograde CTO PCI via a septal collateral is linked to MRI-confirmed periprocedural septal MI.
Case Report (n=1)
The retrograde approach for CTO PCI using septal collaterals carries a risk of septal myocardial infarction, which can be effectively visualized using cardiac MRI.
May warrant caution with retrograde septal collaterals in CTO PCI; leaves open incidence and MRI role in larger studies.
A retrograde approach through the collateral channels was recently proposed as one of the most promising current techniques for percutaneous coronary intervention of chronic total occlusion in coronary arteries (CTO). This report describes the case of a 68-year-old man in whom CTO was successfully crossed with a wire by the retrograde approach using septal collateral, but the patient suffered from a complication with septal myocardial infarction demonstrated by cardiac magnetic resonance imaging.
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Kim et al. (2011) conducted a case report in Chronic total occlusion of coronary artery (n=1). Retrograde approach using septal collateral for percutaneous coronary intervention was evaluated on Periprocedural myocardial infarction. A retrograde approach using a septal collateral for percutaneous coronary intervention of a chronic total occlusion resulted in a periprocedural septal myocardial infarction, demonstrated by cardiac MRI.
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