Computed Tomography Angiography Prediction Score for Side Branch Occlusion

Status Completed

Clinical Trial Summary

Lesions involving coronary bifurcations account for approximately 20% of all percutaneous coronary interventions (PCI). Revascularization within bifurcation sites remains technically challenging. While the most optimal interventional treatment strategy for bifurcation lesions is still debatable, side branch (SB) occlusion is one of the most serious procedural complications with prevalence rates over 7%. Numerous mechanisms of the SB occlusion (e.g. plaque or carina shift, coronary artery dissection, thromboembolism, coronary artery spasm, etc) have been postulated. Regardless of the cause, loss of the SB is associated with increased risk of periprocedural mortality and myocardial infarction. Therefore, PCI involving coronary bifurcation mandates consideration of the risk of SB compromise. The CT-PRECISION (Computed Tomography angiography PREdiCtIon score for SIde branch Occlusion in coronary bifurcation interventioN) registry was designed to evaluate the application of coronary computed tomography angiography (coronary CTA) for the prediction of SB occlusion during percutaneous revascularization of bifurcation lesions. The main purpose of this single-center study is to develop a noninvasive CTA-based prediction tool to determine the procedural outcome of PCI in bifurcation lesions.

Clinical Trial Description

Coronary CTA allows for precise and noninvasive evaluation of coronary bifurcation lesions. Pre-procedural planning for coronary revascularization using CTA provides detailed characterization of bifurcation anatomy and morphology including the spatial distribution of coronary plaque. To date there has been no compiled CTA-based prediction model for SB occlusion in coronary bifurcation intervention. The CT-PRECISION registry is a retrospective observational cohort study of patients undergoing preprocedural coronary CTA before PCI involving coronary bifurcation lesions between January 2010 and July 2018. The study is designed to enroll 400 consecutive patients undergoing elective main vessel stenting with a provisional approach to the SB at a single high-volume PCI center. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03709836
Study type	Observational
Source	Institute of Cardiology, Warsaw, Poland
Contact
Status	Completed
Phase
Start date	September 25, 2018
Completion date	January 1, 2019

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Computed Tomography Angiography Prediction Score for Side Branch Occlusion — CT-PRECISION

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms