Original Article

One-Year Outcome of Patients with Coronary Artery Ectasia Undergoing Percutaneous Coronary Intervention: Clinical Implications and Question Marks

Abstract

Background: Coronary artery ectasia (CAE) is a rare condition with unclear pathophysiology, optimal treatment, and prognosis. We aimed to determine the prognostic implications of CAE following coronary angioplasty.

Methods: We conducted a retrospective cohort study on 385 patients, including 87 subjects with CAE, who underwent percutaneous coronary intervention (PCI). Major adverse cardiovascular events (MACE) were considered to consist of mortality, nonfatal myocardial infarction (MI), repeated revascularization, and stroke.

Results: The mean age of the participants was 57.31±6.70 years. Multivariate regression analysis revealed that patients with diabetes, ST-segment–elevation MI at presentation, and high thrombus grades were more likely to have suboptimal post-PCI thrombolysis in myocardial infarction (TIMI) flow. However, CAE was not a predictor of a decreased TIMI flow (OR: 1.46, 95% CI: 0.78–8.32; P=0.391). The Cox-regression model showed that CAE, the body mass index, and a family history of MI were risk factors for MACE, while short lesion lengths (<20 vs >20 mm) had an inverse relationship. The adjusted hazard ratio (HR) for the prediction of MACE in the presence of CAE was 1.65 (95% CI: 1.08–4.78; P=0.391). All-cause mortality (HR: 1.69, 95% CI: 0.12–3.81; P=0.830) and nonfatal MI (HR: 1.03, 95% CI: 0.72–4.21; P=0.341) occurred similarly in the CAE and non-CAE groups. Conversely, CAE increased urgent repeat revascularization (HR: 2.40; 95% CI: 1.13–5.86; P=0.013).

Conclusion: Although CAE had no substantial short-term prognostic effects on post-PCI TIMI flow, considerable concerns regarding adverse outcomes emerged during our extended follow-up. Stringent follow-ups of these patients should be underscored due to the high likelihood of urgent revascularization.

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IssueVol 15 No 4 (2020): J Teh Univ Heart Ctr QRcode
SectionOriginal Article(s)
Published2020-10-31
DOI https://doi.org/10.18502/jthc.v15i4.5943
Keywords
Coronary artery disease Percutaneous coronary intervention Dilatation; pathologic Mortality Prognosis

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1.
Amirzadegan A, Sadre-Bafghi S-A, Ghodsi S, Soleimani H, Mohebi M, Nematipour E, Haji-Zeinali A-M, Salarifar M, Pourhosseini H, Nozari Y, Tajdini M, Aghajani H, Alidoosti M, Jenab Y, Omidi N, Jalali A, Hosseini Z. One-Year Outcome of Patients with Coronary Artery Ectasia Undergoing Percutaneous Coronary Intervention: Clinical Implications and Question Marks. J Tehran Heart Cent. 15(4):171-177.