HJ

Hellenic Journal of Cardiology

The Hellenic Journal of Cardiology (International Edition, ISSN 1109-9666) is the official journal of the Hellenic Society of Cardiology and publishes high-quality articles on all aspects of cardiovascular medicine, with emphasis on original clinical and basic research, invited editorial comments, hot topics such as molecular cardiology, innovative cardiac imaging and electrophysiological mapping techniques, invited expert articles or special reports, and subjects related to continuing medical education, implementation of guidelines, and cost effectiveness in cardiology.

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Subject Cardiac & Cardiovascular Systems
Impact Factor 3
Quartile Q2
Open Access Type Open
ISSN 1109-9666
eISSN 2241-5955
Invitation Only No
Cost Range The author does not have any publication charges for open access; the Hellenic Journal of Cardiology will pay to make the article open access.

Submission Instructions

Hellenic Journal of Cardiology accepts the following article types. Click on an article type to view submission instructions.

Original Research Papers

Cover Letter Cover Letter requirements are not specified.
Abstract A structured abstract is required for Original Research Papers. Abstract must not exceed 250 words. Abstract must be structured. Abstract headings must be Background, Methods, Results, and Conclusions.
Manuscript Manuscript must not exceed 3,500 words including references and figure legends. Manuscript must be divided into Title page, Structured Abstract, Key words (3-6), Introduction, Methods, Results, Discussion, Acknowledgments, and References. Manuscript must include 3 to 6 keywords, a graphical abstract, and a generative AI declaration section before the references if AI tools were used in manuscript preparation.
References Reference list must contain no more than 30 references. References must be cited in the text using consecutive Arabic numerals in square brackets and listed in numerical order of appearance, with journal names abbreviated according to Index Medicus.
Figures & Tables Manuscript must include no more than 3 figures and no more than 3 tables. Tables and figures may be embedded in the manuscript with captions, but each illustration must also be submitted as a separate file. Tables must be submitted as editable text rather than images, and figure captions must include a brief title and description with symbols and abbreviations explained.
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Review Articles

Cover Letter Cover Letter requirements are not specified.
Abstract Review Articles must include an unstructured abstract. Abstract must not exceed 250 words. Abstract must be unstructured.
Manuscript Manuscript must not exceed 5,000 words including references and figure legends. Review Articles must not use introduction, methods, results, or discussion sections. Manuscript must include up to 6 keywords after the abstract and, if generative AI tools were used, a declaration statement in a new section before the references list.
References Review Articles must include no more than 50 references. References must be cited in the text with consecutive Arabic numerals in square brackets and listed in numerical order of appearance with journal names abbreviated according to Index Medicus.
Figures & Tables Review Articles must include no more than 3 figures and no more than 3 tables. Tables and figures may be presented with captions within the main body of the manuscript, but figures must additionally be uploaded as separate files. Tables must be submitted as editable text rather than images and all figures and tables must be numbered consecutively in the order they appear in the text.
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Letters To The Editor

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not be included.
Manuscript Text must not exceed 500 words. Subheadings must not be used, and letters reporting original research findings must briefly describe methods, results, and conclusions. Up to 6 keywords must be provided.
References No more than 10 references may be included. References must be cited in the text using consecutive Arabic numerals in square brackets and listed in numerical order of appearance, with journal names abbreviated according to Index Medicus.
Figures & Tables No more than 2 figures and/or tables in total may be included. Figures and tables may be embedded in the manuscript with captions, but figures must also be uploaded as separate files. Each figure must have a caption and each table must have a title, description, and any footnotes, with numbering consecutive to their order of appearance in the text.
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Short Communication

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not exceed 250 words. Abstract must be concise and factual, and only original research articles require a structured abstract. Original research abstracts must use the headings Background, Methods, Results, and Conclusions.
Manuscript Manuscript must be divided into clearly defined and numbered sections with numbered subsections. Manuscript must include up to 6 keywords after the abstract and, if generative AI tools were used, a declaration section before the references.
References References must be cited in the text as consecutive Arabic numerals in square brackets and listed in numerical order of appearance with journal names abbreviated according to Index Medicus.
Figures & Tables Tables and figures may be embedded in the manuscript with captions, but figures must also be uploaded separately and source files for figures, tables, and text graphics are required. Figures and tables must be numbered consecutively in the order cited in the text, with figure captions provided separately and tables submitted as editable text rather than images.
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Correspondence

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not be included.
Manuscript Manuscript text must be no more than 500 words. Manuscript must not include sub-headings, and correspondence reporting original research findings must briefly describe methods, results, and conclusions. Manuscript must include keywords, with a maximum of 6 provided immediately after the abstract, and any use of generative AI in manuscript preparation must be declared in a section before the references.
References References must be limited to 10. References must be cited in the text using consecutive Arabic numerals in square brackets and listed in numerical order of appearance, with journal names abbreviated according to Index Medicus.
Figures & Tables Figures and tables must total no more than 2. Figures and tables may be embedded in the main manuscript with captions, but source files are required and each illustration must also be submitted as a separate file. Figures must include captions and be numbered in sequence, and tables must be editable text, numbered consecutively, and include titles, descriptions, and footnotes where applicable.
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Clinical Guidelines

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not exceed 250 words. Abstract structure is not specifically stated for Clinical Guidelines.
Manuscript Manuscript must identify a designated Leading author and a Writing Committee of no more than 15–20 contributing authors. Manuscript must include up to 6 keywords and, if generative AI tools were used in preparation, a declaration section before the references.
References References must use a numbered style with consecutive Arabic numerals in square brackets. References must be numbered in the order cited in the text and journal names should be abbreviated according to Index Medicus.
Figures & Tables Tables and figures may be embedded in the manuscript with captions, but figures must also be uploaded separately and source files for figures, tables, and text graphics are required. Figures and tables must be numbered consecutively in the order cited in the text, with figure captions and table titles or notes provided.
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Clinical Consensus Statements

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not exceed 250 words. Abstract must be concise and factual, with a structured format required only for original research articles.
Manuscript Manuscript must be divided into clearly defined and numbered sections. Manuscript must include up to 6 keywords after the abstract and, if generative AI was used in preparation, a declaration section before the references.
References References must be cited by consecutive Arabic numerals in square brackets and listed in numerical order of first appearance, with journal names abbreviated according to Index Medicus.
Figures & Tables Tables and figures may be embedded with captions in the manuscript, but figures must also be uploaded separately and source files for figures, tables, and text graphics are required. Figures must include captions and be numbered in sequence, and tables must be editable text with titles, descriptions or footnotes, and numbering according to their order in the text.
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Scientific Statements

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must be limited to 250 words.
Manuscript Manuscript must be divided into clearly defined and numbered sections. Manuscript must include up to 6 keywords and, if generative AI tools were used in preparation, a declaration statement in a new section before the references list.
References References must be cited in the text using consecutive Arabic numerals in square brackets and listed in the order of appearance, with journal names abbreviated according to Index Medicus.
Figures & Tables Tables and figures may be presented with captions within the main body of the manuscript, but figures must also be uploaded as separate files. Figures and tables must be numbered consecutively in the order cited in the text, with figures including captions and tables provided as editable text rather than images.
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Position Statements

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not exceed 250 words.
Manuscript Manuscript must be divided into clearly defined and numbered sections. Manuscript must include up to 6 keywords and, if generative AI was used in manuscript preparation, a declaration statement in a new section before the references list.
References References must use a numbered style with consecutive Arabic numerals in square brackets. Reference list entries must be numbered in the order of first appearance in the text, and journal names should be abbreviated according to Index Medicus.
Figures & Tables Tables and figures may be embedded in the manuscript with captions, but figures must also be uploaded separately as high-resolution files. Figures must include captions and be numbered in text sequence, and tables must be editable text with titles or notes and numbered consecutively.
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Recent Publications

Early Catheter Ablation for Atrial Fibrillation After Acute Decompensated Heart Failure: A Systematic Review and Meta-Analysis with Reconstructed Kaplan-Meier Individual Patient Data

Raymond Pranata, Christopher Daniel Tristan, Emir Yonas, Artha Maressa Theodora Simanjuntak, Frengki Prabowo Saputro Wijayanto, Wilbert Huang, Antonia Anna Lukito

10.1016/j.hjc.2026.07.006
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Statin Therapy and Outcomes in Heart Failure with Mildly Reduced Ejection Fraction

Alexander Schmitt, Michael Behnes, Marielen Reinhardt, Noah Abel, Michelle Goertz, Felix Lau, Mohammad Abumayyaleh, Ibrahim Akin, Tobias Schupp

10.1016/j.hjc.2026.07.005
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A Non-Interventional, Multicenter, Observational Study to Provide Real World Evidence on the Diagnosis of Chronic Coronary Syndrome In Patients With Diabetes Mellitus In Greece - The CONTACT STUDY

Anastasia Thanopoulou, Anastasios Tentolouris, Charalambos Vlachopoulos, Ioannis Gastouniotis, Ioanna Dima, Evridiki Kirlaki, Anastasios Anyfantakis, Emmanuil Foukarakis, Emmanuil Rogdakis, Stamatios Stavrakis, Eleftheria Papachristoforou, Ioannis Barbetseas, Maria Bonou, Anastasia Mavrogiannaki, Ageliki Meritsi, Georgios Spyropoulos, Anastasia Kosti, Andreas Melidonis, Emmanuela Chourdaki, Athanasios Manolis, Emmanouil Kallistratos, Alexios Sotiropoulos, Anastasios Koutsovasilis, Athanasios Kranidis, Iosif Delakis, Eryfili Hatziagelaki, Konstantinos Markakis, Socratis Katopodis, Ioannis Parisis, Christos Georgiou, Nikolaos Tentolouris

10.1016/j.hjc.2026.07.004
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From Honorary Authorship to AI-Assisted Writing: Two Challenges to Genuine Scientific Contribution

Panos Macheras, Panos E. Vardas

10.1016/j.hjc.2026.07.003
View Publication

Civil Medical Liability in Cardiology: A Systematic Review

Ioannis Ketsekioulafis, Konstantinos Katsos, Evmorfili Zouzia, Ioannis Rizos, Chara Spiliopoulou, Theodoros Lytras, Emmanouil I. Sakelliadis, Gerasimos Siasos

10.1016/j.hjc.2026.07.001
View Publication

Frequently asked questions

How long does it take to publish?

7 days submission to first decision; 49 days submission to decision after review; 74 days submission to acceptance; 6 days acceptance to online publication

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What are the publication costs?

The author does not have any publication charges for open access; the Hellenic Journal of Cardiology will pay to make the article open access.

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Research Topics

Cardiac Valve Diseases and Treatments Cardiovascular Function and Risk Factors Cardiac Imaging and Diagnostics Coronary Interventions and Diagnostics Cardiac Arrhythmias and Treatments Acute Myocardial Infarction Research Atrial Fibrillation Management and Outcomes Cardiac Structural Anomalies and Repair Cardiac pacing and defibrillation studies Cardiac electrophysiology and arrhythmias Infective Endocarditis Diagnosis and Management Aortic Disease and Treatment Approaches Heart Failure Treatment and Management Cardiomyopathy and Myosin Studies Mechanical Circulatory Support Devices Antiplatelet Therapy and Cardiovascular Diseases Coronary Artery Anomalies Lipoproteins and Cardiovascular Health Cardiac Health and Mental Health Blood Pressure and Hypertension Studies Cardiovascular Effects of Exercise Pulmonary Hypertension Research and Treatments Congenital Heart Disease Studies Cardiovascular Health and Disease Prevention Cardiac and Coronary Surgery Techniques

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