Impact of baseline imaging of non-culprit coronary lesions and adverse events: Insight from LRP study.

MedStar author(s):
Citation: Cardiovascular Revascularization Medicine. 2021 Dec 13PMID: 34972665Institution: MedStar Heart & Vascular Institute | MedStar Heart & Vascular Institute | MedStar Washington Hospital CenterDepartment: Interventional Cardiology FellowshipForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: IN PROCESS -- NOT YET INDEXEDYear: 2021Local holdings: Available in print through MWHC library: 2002 - presentName of journal: Cardiovascular revascularization medicine : including molecular interventionsAbstract: BACKGROUND/PURPOSE: Intravascular ultrasound (IVUS) and near-infrared spectroscopy (NIRS) can identify vulnerable coronary atherosclerotic plaques. We aimed to compare the presence or absence of baseline intravascular imaging of non-culprit lesions and their subsequent adverse events.CLINICAL TRIAL REGISTRATION: The Lipid-Rich Plaque Study (LRP), https://clinicaltrials.gov/ct2/show/NCT02033694, NCT02033694. Copyright (c) 2021. Published by Elsevier Inc.CONCLUSIONS: In patients with follow-up non-culprit-lesion adverse events, nearly half were not imaged with NIRS-IVUS at baseline. Because events related to non-imaged lesions were at least as severe as events related to imaged lesions, future clinical trials and clinical protocols should be designed to minimize this issue.METHODS/MATERIALS: We identified patients from the Lipid Rich Plaque (LRP) study who had a non-culprit-lesion adverse event and divided them into 2 cohorts: those with lesions detected with NIRS-IVUS imaging at baseline and those with lesions not imaged at baseline.RESULTS: Overall, 73 patients had an adverse event (99 coronary segments) during the 24-month follow-up period. Among them, 41 patients (56.2%) had a non-culprit-lesion adverse event related to a coronary segment imaged at baseline, and 32 patients (43.8%) had a non-culprit-lesion adverse event adjudicated to a segment that was not scanned at baseline. Angiographic core laboratory analysis suggested that unscanned lesions were more often in the right coronary artery (~50%); branches of the left coronary artery, i.e., diagonal or left obtuse marginal arteries (~20%); smaller vessels; or more tortuous vessels; and less often in the left anterior descending or distal locations. There was a weak trend for acute severe events (adjudicated myocardial infarction and acute coronary syndrome) in patients with lesions not scanned at baseline (50.0% versus 36.6%, p = 0.250).All authors: Case BC, Garcia-Garcia HM, Kuku KO, Medranda GA, Mintz GS, Shea C, Torguson R, Waksman R, Yerasi C, Zhang CFiscal year: FY2022Digital Object Identifier: Date added to catalog: 2022-02-21
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Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article 34972665 Available 34972665

Available in print through MWHC library: 2002 - present

BACKGROUND/PURPOSE: Intravascular ultrasound (IVUS) and near-infrared spectroscopy (NIRS) can identify vulnerable coronary atherosclerotic plaques. We aimed to compare the presence or absence of baseline intravascular imaging of non-culprit lesions and their subsequent adverse events.

CLINICAL TRIAL REGISTRATION: The Lipid-Rich Plaque Study (LRP), https://clinicaltrials.gov/ct2/show/NCT02033694, NCT02033694. Copyright (c) 2021. Published by Elsevier Inc.

CONCLUSIONS: In patients with follow-up non-culprit-lesion adverse events, nearly half were not imaged with NIRS-IVUS at baseline. Because events related to non-imaged lesions were at least as severe as events related to imaged lesions, future clinical trials and clinical protocols should be designed to minimize this issue.

METHODS/MATERIALS: We identified patients from the Lipid Rich Plaque (LRP) study who had a non-culprit-lesion adverse event and divided them into 2 cohorts: those with lesions detected with NIRS-IVUS imaging at baseline and those with lesions not imaged at baseline.

RESULTS: Overall, 73 patients had an adverse event (99 coronary segments) during the 24-month follow-up period. Among them, 41 patients (56.2%) had a non-culprit-lesion adverse event related to a coronary segment imaged at baseline, and 32 patients (43.8%) had a non-culprit-lesion adverse event adjudicated to a segment that was not scanned at baseline. Angiographic core laboratory analysis suggested that unscanned lesions were more often in the right coronary artery (~50%); branches of the left coronary artery, i.e., diagonal or left obtuse marginal arteries (~20%); smaller vessels; or more tortuous vessels; and less often in the left anterior descending or distal locations. There was a weak trend for acute severe events (adjudicated myocardial infarction and acute coronary syndrome) in patients with lesions not scanned at baseline (50.0% versus 36.6%, p = 0.250).

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