Key result
The adoption of retrograde techniques like reverse controlled antegrade and retrograde tracking (rCART) has increased the success rate of complex chronic total occlusion interventions up to 95%.
Retrograde recanalization is an essential complement to the classical antegrade approach for CTO PCI, significantly improving success rates in complex lesions.
May support retrograde techniques for complex CTO PCI; leaves open need for randomized outcome trials.
Chronic total occlusion recanalization still represents the last frontier in percutaneous coronary intervention. Retrograde recanalization is one of the most significant amendments of the technique, and has recently become an essential complement to the classical antegrade approach. It has a high success rate with a low complication profile, despite frequent utilization in the most complex patients. Since its initial description, important iterations have occurred and made the technique safer, faster and more successful.
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Debrabata Dash (2021) conducted a review in Coronary chronic total occlusion (CTO). Retrograde percutaneous coronary intervention (PCI) vs. Antegrade approach was evaluated. The adoption of retrograde techniques like reverse controlled antegrade and retrograde tracking (rCART) has increased the success rate of complex chronic total occlusion interventions up to 95%.
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