Ostial Plaque Distribution on Intravascular Ultrasound (IVUS) and Side Branch Occlusion in Bifurcation Lesions After Percutaneous Coronary Intervention (PCI)
Furukawa et al used intravascular ultrasound (IVUS) to identify patients at risk for side branch occlusion at a bifurcation lesion following percutaneous coronary intervention (PCI). The authors are from Yokohama City University in Japan.
Patient selection: bifurcation lesion found on IVUS
Parameters:
(1) stenosis due to atherosclerotic plaque in the main vessel (required for a bifurcation lesion)
(2) stenosis due to atherosclerotic plaque in the side branch ostium
Stenosis in the side branch ostium may involve the proximal side (P) or be diffuse (D).
Stenosis in Side Branch
Percent Side Branch Occlusion After PCI
absent or minimal
8%
present
35%
Ostial plaque in the side branch increases the risk of side branch occlusion after PCI.
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