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May 22, 2015Catheterization and Cardiovascular Interventions

Intravascular ultrasound predictors of acute side branch occlusion in coronary artery bifurcation lesions just after single stent crossover

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Key result

Junction plaque thickness and side branch diameter ratio predict acute occlusion after single stent crossover.

  • n=174

Why the study?

What are the pre-PCI IVUS predictors of acute side branch occlusion after single stent crossover in coronary bifurcation lesions?

Population

174 patients with a total of 272 coronary bifurcation lesions undergoing single stent crossover and pre-PCI…

Design

Cohort

Follow-up

acute (just after stent implantation)

Authors

NSNobuo SakamotoFukushima Medical UniversityYHYasuto HoshinoFukushima Medical UniversityHMHiroyuki MizukamiThe University of Osaka

Discussion

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Implication

IVUS plaque thickness and diameter ratio may predict acute side branch occlusion risk; hypothesis-generating and requires prospective validation.

Study Design

Type

Observational (n=174)

Structured PICO

What are the pre-PCI IVUS predictors of acute side branch occlusion after single stent crossover in coronary bifurcation lesions?

P
Population
174 patients with a total of 272 coronary bifurcation lesions undergoing single stent crossover and pre-PCI intravascular ultrasound (IVUS) in a major vessel
I
Intervention
Pre-PCI intravascular ultrasound (IVUS) assessment
O
Outcome
Acute side branch occlusion (defined as TIMI flow grade ≤2 just after stent implantation)surrogate

Pre-PCI IVUS parameters, specifically major vessel plaque thickness at the junction and side branch diameter ratio, can predict acute side branch occlusion during single stent crossover for bifurcation lesions.

Cite This Study

Sakamoto et al. (2015) conducted an observational in Coronary bifurcation lesions (n=174). Intravascular ultrasound (IVUS) assessment was evaluated on Acute side branch occlusion (TIMI flow grade ≤2 just after stent implantation). Major vessel plaque thickness at the junction site and side branch diameter ratio independently predicted acute side branch occlusion (19.1% incidence) just after single stent crossover.

synapsesocial.com/papers/6a0f2271bb0e65fa3a425be7https://doi.org/10.1002/ccd.26021

Topics

Chronic total occlusion PCIPercutaneous coronary intervention
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Predictors and Outcomes of Side Branch Occlusion After Main Vessel Stenting in Coronary Bifurcation Lesions2013 · 227 citations
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  3. 3Interventional cardiology: Differences in the morphology of unstable and stable coronary lesions and their impact on the mechanisms of angioplasty. An in vivo study with intravascular ultrasound1996 · 59 citations
  4. 4Side branch occlusion complicating percutaneous transluminal coronary angioplasty.1986 · 31 citations
  5. 5Spotty Calcification Typifies the Culprit Plaque in Patients With Acute Myocardial Infarction2004 · 695 citations