IMR Press / RCM / Volume 24 / Issue 7 / DOI: 10.31083/j.rcm2407199
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    Open Access Original Research
    The Functional Erythropoetin rs1617640 Gene Polymorphism does not Affect Life Expectancy of Patients with Peripheral Arterial Disease
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    1 Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, 8036 Graz, Austria
    2 Internal Outpatient Department, Prodoc Plus, 8036 Graz, Austria
    3 Department of Therapeutic Radiology and Oncology, Medical University of Graz, 8036 Graz, Austria
    *Correspondence: wilfried.renner@medunigraz.at (Wilfried Renner)
    Rev. Cardiovasc. Med. 2023, 24(7), 199; https://doi.org/10.31083/j.rcm2407199
    Submitted: 1 February 2023 | Revised: 4 April 2023 | Accepted: 11 May 2023 | Published: 13 July 2023
    (This article belongs to the Special Issue Research of Patients with Peripheral Arterial Disease)
    Copyright: © 2023 The Author(s). Published by IMR Press.
    This is an open access article under the CC BY 4.0 license.
    Abstract

    Background: A common functional variant (c.-1306A>C, rs1617640) in the gene encoding erythropoietin (EPO) has been linked to expression of erythropoietin and markers of erythropoiesis. Aim of the current study was the analysis of the role of this polymorphism for long term survival of patients with peripheral arterial disease (PAD). Methods: EPO genotypes as well as biomarkers for erythropoiesis were analyzed in a cohort of 946 patients with PAD. Survival follow-up was performed 20 years af-ter recruitment of patients. Results: Twenty years after recruitment, 752 (79.5%) patients were dead, 103 (10.9%) were still alive, and 91 (9.6%) were lost-to-follow up. In a Cox regression analysis including smoking habit, sex, type-2 diabetes, hypercholesterolemia and arterial hypertension, EPO genotypes were not associated with overall survival (Hazard ratio 0.63; 95% confidence interval 0.88–1.08, p = 0.63). Conclusions: The functional EPO rs1617640 gene polymorphism, irrespective of its association with markers of erythropoiesis, does not affect survival of PAD patients.

    Keywords
    erythropoietin
    peripheral artery disease
    genetics
    survival
    epidemiology
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