A Novel, Modified Reverse Controlled Antegrade and Retrograde Subintimal Tracking Technique for Bypassing the Calcified Proximal Cap of Coronary Total Occlusions

<div>The intravascular ultrasound revealed that the retrograde guidewire (white arrow) was in the subintimal space at the proximal right coronary artery past the chronic total occlusion.</div>

Case Reports in Cardiology

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Figure 3

Figure 3: A Novel, Modified Reverse Controlled Antegrade and Retrograde Subintimal Tracking Technique for Bypassing the Calcified Proximal Cap of Coronary Total Occlusions 

Figure 3 | A Novel, Modified Reverse Controlled Antegrade and Retrograde Subintimal Tracking Technique for Bypassing the Calcified Proximal Cap of Coronary Total Occlusions 