Key result
Novel ping-pong guide catheter technique enables successful lesion crossing in retrograde coronary CTO interventions.
Why the study?
A novel technique is needed for performing retrograde interventions on coronary chronic total occlusion through an ipsilateral collateral.
Case Report
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The "ping-pong" guide catheter technique provides a novel method to facilitate lesion crossing and equipment delivery during retrograde CTO interventions via ipsilateral collaterals.
We report a novel technique for performing retrograde interventions on a coronary chronic total occlusion through an ipsilateral collateral. Two guiding catheters are used to engage the target coronary artery, one to advance to the retrograde guidewire and the other to externalize the retrograde guidewire and antegrade wiring. Engagement of the target coronary artery is alternating between the antegrade and the retrograde guide catheter in a "ping-pong" fashion, enabling lesion crossing and equipment delivery.
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Brilakis et al. (2010) conducted a case report in Coronary chronic total occlusion. "Ping-pong" guide catheter technique was evaluated. A novel "ping-pong" guide catheter technique using two alternating guiding catheters enables lesion crossing and equipment delivery for retrograde interventions of coronary chronic total occlusions.
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