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Lookup NU author(s): Professor Azfar Zaman
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© 2019 American College of Cardiology Foundation. Objectives: The aim of this study was to describe the early (inpatient and 30-day) and late (1-year) outcomes of percutaneous coronary intervention (PCI) in saphenous vein grafts (SVGs), with and without the use of embolic protection devices (EPD), in a large, contemporary, unselected national cohort from the database of the British Cardiovascular Intervention Society. Background: There are limited, and discrepant, data on the clinical benefits of the adjunctive use of EPDs during PCI to SVGs in the contemporary era. Methods: A longitudinal cohort of patients (2007 to 2014, n = 20,642) who underwent PCI to SVGs in the British Cardiovascular Intervention Society database was formed. Clinical, demographic, procedural, and outcome data were analyzed by dividing into 2 groups: no EPD (PCI to SVGs without EPDs, n = 17,730) and EPD (PCI to SVGs with EPDs, n = 2,912). Results: Patients in the EPD group were older, had more comorbidities, and had a higher prevalence of moderate to severe left ventricular systolic dysfunction. Mortality was lower in the EPD group during hospital admission (0.70% vs. 1.29%; p = 0.008) and at 30 days (1.44% vs. 2.01%; p = 0.04) but similar at 1 year (6.22% vs. 6.01%; p = 0.67). Following multivariate analyses, no significant difference in mortality was observed during index admission (odds ratio [OR]: 0.71; 95% confidence interval [CI]: 0.42 to 1.19; p = 0.19), at 30 days (OR: 0.87; 95% CI: 0.60 to 1.25; p = 0.45), and at 1 year (OR: 0.92; 95% CI: 0.77 to 1.11; p = 0.41), along with similar rates of in-hospital major adverse cardiovascular events (OR: 1.16; 95% CI: 0.83 to 1.62; p = 0.39) and stroke (OR: 0.68; 95% CI: 0.20 to 2.35; p = 0.54). In propensity score–matched analyses, lower inpatient mortality was observed in the EPD group (OR: 0.46; 95% CI: 0.13 to 0.80; p = 0.002), although the adjusted risk for the periprocedural no-reflow or slow-flow phenomenon was higher in patients in whom EPDs were used (OR: 2.16; 95% CI: 1.71 to 2.73; p < 0.001). Conclusions: In this contemporary cohort, EPDs were used more commonly in higher risk patients but were associated with similar clinical outcomes in multivariate analyses. Lower inpatient mortality was observed in the EPD group in univariate and propensity score–matched analyses.
Author(s): Shoaib A, Kinnaird T, Curzen N, Ludman P, Smith D, Khoo CW, Kontopantelis E, Rashid M, Mohamed M, Nolan J, Zaman A, Mamas MA, on behalf of the British Cardiovascular Intervention Society, and the National Institute for Cardiovascular Outcomes Research
Publication type: Article
Publication status: Published
Journal: JACC: Cardiovascular Interventions
Year: 2019
Volume: 12
Issue: 22
Pages: 2286-2295
Print publication date: 25/11/2019
Online publication date: 18/11/2019
Acceptance date: 27/08/2019
ISSN (print): 1936-8798
ISSN (electronic): 1876-7605
Publisher: Elsevier Inc.
URL: https://doi.org/10.1016/j.jcin.2019.08.037
DOI: 10.1016/j.jcin.2019.08.037
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