Prognostic Value of Incomplete Revascularization after Percutaneous Coronary Intervention Following Acute Coronary Syndrome: Focus on CKD Patients

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Abstract

Background: Residual coronary artery disease (CAD) has been associated with worsened prognosis in patients undergoing percutaneous coronary intervention (PCI) for acute coronary syndromes (ACS). The residual SYNTAX Score (rSS) aims to assess residual CAD after PCI. The association between kidney function and rSS has not been investigated in ACS patients. In this study, we sought to determine whether chronic kidney disease (CKD) patients exhibit more incomplete revascularization following stage revascularization procedures by PCI. We evaluated the impact of incomplete revascularization on the occurrence of major cardiovascular events (MACE) at one-year follow-up. Methods: A total of 831 ACS patients undergoing PCI were divided into 3 subgroups according to their estimated Glomerular Filtration Rate (eGFR): 695 with eGFR ≥ 60 mL/min/1.73 m², 108 with eGFR 60–30 mL/min/1.73 m², 28 with eGFR < 30 mL/min/1.73 m². Initial SYNTAX score (SS) and rSS were calculated for all patients. Incomplete revascularization was defined by rSS > 8. The primary endpoint was the occurrence of MACE (all-cause mortality, myocardial infarction (MI), repeated revascularization except from planned revascularization, stroke and definite or probable recurrent stent thrombosis) one year after the index procedure. Results: Severe CKD patients had significantly higher MACE (12.0% vs. 25.9% vs. 35.7%; p < 0.001), all-cause mortality, cardiovascular mortality and heart failure events. Patients with rSS > 8 had higher MACE, all-cause and cardiovascular mortality. CKD was an independent predictive factor of rSS > 8 (HR: 1.65, 95% CI: 1.01 to 2.71; p = 0.048). Multivariate analysis identified rSS > 8, but not CKD, as an independent predictor of cardiac death and MACE. Conclusion: In ACS, CKD is predictive of incomplete revascularization, which stands out as a strong predictor of adverse cardiovascular outcomes including cardiac death and MACE.

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Most cited references 20

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"Renalism": inappropriately low rates of coronary angiography in elderly individuals with renal insufficiency.

Glenn Chertow, Sharon-Lise Normand, Barbara J McNeil (2004)

Higher risk patients (including the elderly) receive more conservative therapy for cardiovascular diseases, even though the relative benefits of therapy tend to be greater. The perceived risk of radiocontrast-associated nephrotoxicity may influence the provision of coronary angiography and subsequent revascularization, especially among individuals with chronic kidney disease (CKD). The aim of this study was to determine whether there is excessive variation in the provision of coronary angiography after acute myocardial infarction on the basis of the presence of CKD and whether there is an association between angiography and mortality. Elderly (age 65 to 89 yr) individuals with acute myocardial infarction from the Cooperative Cardiovascular Project were classified by the presence or absence of CKD (defined as a baseline serum creatinine of 1.5 to 5.0 mg/dl). In CKD patients, the propensity to undergo coronary angiography was determined and the effect of coronary angiography on mortality was estimated using multivariable logistic regression and stratification. Mortality was significantly higher with CKD (52.6 versus 26.4%). Fewer patients with CKD underwent coronary angiography (25.2 versus 46.8%) despite the observation that a similar proportion of patients were deemed appropriate for angiography by standard, published criteria. When limiting the analysis to CKD patients who are considered appropriate, the multivariable estimate of the odds of death associated with coronary angiography was 0.58 (95% confidence interval, 0.50 to 0.67). With adjustment using propensity scores, the odds ratio averaged across propensity score quintiles was 0.62 (95% confidence interval, 0.54 to 0.70). Results were qualitatively similar when patients were stratified by CKD stage IV (estimated GFR <30 ml/min per 1.73 m(2)). There is a large relative decrease in utilization of coronary angiography among patients with CKD. Alteration in practice because of an aversion to the risk of radiocontrast-associated nephrotoxicity ("renalism") is inappropriate, even if the true relative benefit of invasive strategies is a fraction of what is estimated here.

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Cardiovascular mortality in chronic kidney disease patients undergoing percutaneous coronary intervention is mainly related to impaired P2Y12 inhibition by clopidogrel.

Olivier Morel, B Radulescu, Laurence Jesel … (2011)

We sought to determine whether low platelet response to the P2Y(12) receptor antagonist clopidogrel as assessed by vasodilator-stimulated phosphoprotein flow cytometry test (VASP-FCT) differentially affects outcomes in patients with or without chronic kidney disease (CKD) undergoing percutaneous coronary intervention (PCI). Although both CKD and impaired platelet responsiveness to clopidogrel are strong predictors of unfavorable outcome after PCI, the impact of their association is unknown. The platelet VASP-FCT assay is specific for the P2Y(12) ADP receptor pathway. In this test, platelet activation is expressed as the platelet reactivity index (PRI). Four-hundred forty unselected patients (CKD: 126, estimated glomerular filtration rate [eGFR] 60 ml/min/1.73 m(2)) undergoing urgent (n = 336) or planned (n = 104) PCI were prospectively enrolled. In each subgroup, patients were classified as low-responders (LR: PRI ≥ 61%) or responders (R: PRI <61%) to clopidogrel. At a mean follow-up of 9 ± 2 months, all-cause mortality, cardiac death, and possible stent thrombosis were higher in CKD than in no-CKD patients. Within the CKD group, the LR status was associated with higher rates of all-cause mortality (25.5% vs. 2.8%, p < 0.001), cardiac death (23.5% vs. 2.8%, p < 0.001), all stent thrombosis (19.6% vs. 2.7%, p = 0.003), and MACE (33.3% vs. 12.3%, p = 0.007). Conversely, in no-CKD patients, the LR status did not affect outcomes. Multivariate analysis identified Killip class ≥ 3, drug-eluting stent implantation, and the interaction between LR and CKD (hazard ratio: 11.96, 95% confidence interval: 1.22 to 116.82; p = 0.033) as independent predictors of cardiac death. In CKD patients, the presence of low platelet response to clopidogrel is associated with worse outcomes after PCI. Copyright © 2011 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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In-hospital and 1-year outcomes among percutaneous coronary intervention patients with chronic kidney disease in the era of drug-eluting stents: a report from the EVENT (Evaluation of Drug Eluting Stents and Ischemic Events) registry.

David Moliterno, David J. Cohen, Michael J. Pencina … (2008)

This study sought to evaluate ischemic and bleeding outcomes in patients with chronic kidney disease (CKD) undergoing percutaneous coronary intervention (PCI) with drug-eluting stents (DES). Previous studies have shown that CKD is associated with poor outcomes after PCI. However, these studies were largely conducted before the introduction of DES and aggressive antithrombotic therapy or were performed in the setting of randomized trials. With data from a contemporary registry, we evaluated the influence of CKD on major cardiovascular events and bleeding complications in unselected "real-world" patients undergoing PCI. Data from 4,791 patients enrolled in the EVENT (Evaluation of Drug Eluting Stents and Ischemic Events) Registry between July 2004 and September 2005 were analyzed. Patients were stratified into 4 groups: creatinine clearance (CrCl) >75, 50 to 75, 30 to 49 and <30 ml/min. During the index hospital stay, there was a step-wise increase in bleeding complications with decreasing CrCl (3.3%, 5.0%, 8.8%, and 14.3%; p < 0.0001 for trend). Lower CrCl was also associated with more frequent death or myocardial infarction (MI) during the initial hospital stay (p = 0.001) and at 1 year (p < 0.001). These findings were confirmed in multivariate analyses that adjusted for baseline differences in demographic, clinical, and angiographic factors. Use of guideline-recommended medications at 1 year, including aspirin, clopidogrel, angiotensin-converting enzyme inhibitors, and statins, also decreased with declining renal function. Renal function is an independent and powerful predictor of bleeding and ischemic complications in the era of DES and contemporary antithrombotic therapy in patients undergoing PCI. The low use of guideline-recommended drugs among patients with CKD undergoing PCI might contribute to these adverse outcomes and warrants further evaluation.

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Author and article information

Journal

Journal ID (nlm-ta): J Clin Med

Journal ID (iso-abbrev): J Clin Med

Journal ID (publisher-id): jcm

Title: Journal of Clinical Medicine

Publisher: MDPI

ISSN (Electronic): 2077-0383

Publication date (Electronic): 06 June 2019

Publication date Collection: June 2019

Volume: 8

Issue: 6

Electronic Location Identifier: 810

Affiliations

[2 ]Vietnam National Heart Institute, Bach Mai Hospital, 78 Giai Phong, Dong Da, 10000 Hanoi, Vietnam

[3 ]Regenerative Nanomedicine, UMR 1260, INSERM (French National Institute of Health and Medical Research), FMTS (Fédération de Médecine Translationnelle de l’Université de Strasbourg),  Université de Strasbourg, Faculté de Médecine, 11 rue Humann, 67085 Strasbourg, France

Author notes

[* ]Correspondence: antonin.trimaille@ 123456chru-strasbourg.fr ; Tel.: +00-33-369-551-055; Fax: +00-33-369-551-736

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Publisher ID: jcm-08-00810

DOI: 10.3390/jcm8060810

PMC ID: 6617537

PubMed ID: 31174280

SO-VID: 642ea920-b827-45fe-8a4a-deed8db1786c

License:

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

Prognostic Value of Incomplete Revascularization after Percutaneous Coronary Intervention Following Acute Coronary Syndrome: Focus on CKD Patients

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Most cited references 20

"Renalism": inappropriately low rates of coronary angiography in elderly individuals with renal insufficiency.

Cardiovascular mortality in chronic kidney disease patients undergoing percutaneous coronary intervention is mainly related to impaired P2Y12 inhibition by clopidogrel.

In-hospital and 1-year outcomes among percutaneous coronary intervention patients with chronic kidney disease in the era of drug-eluting stents: a report from the EVENT (Evaluation of Drug Eluting Stents and Ischemic Events) registry.

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