Key result
Main branch stent implantation in bifurcation lesions decreased plaque volume index in the proximal main branch from 9.1 to 8.4 mm3/mm (P<0.001), indicating that plaque shift contributes to side branch jailing.
Population
77 patients with bifurcation lesions undergoing percutaneous coronary intervention
Design
Cohort
Authors
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Supports plaque shift as mechanism of side branch jailing; leaves open whether physiological assessment improves outcomes over anatomic evaluation.
Observational (n=77)
Single-blind
Yes
Absolute Event Rate: 8.4% vs 9.1%
p-value: p=<0.001
Anatomic evaluation by angiography and IVUS does not reliably predict the functional significance of a jailed side branch stenosis after main branch stenting, highlighting the importance of physiological assessment.
Koo et al. (2010) conducted an observational in Coronary bifurcation lesions (n=77). Main branch stent implantation vs. Pre-intervention baseline was evaluated on Plaque volume index in the proximal main branch (mm3/mm) (p=<0.001). Main branch stent implantation in bifurcation lesions decreased plaque volume index in the proximal main branch from 9.1 to 8.4 mm3/mm (P<0.001), indicating that plaque shift contributes to side branch jailing.
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