Overview
Submission Instructions
Recent Publications
Frequently Asked Questions
Research Topics
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IJ
International Journal of Cardiology is devoted to cardiology in the broadest sense and publishes both basic research and clinical papers for practicing clinicians and researchers. It includes original papers and newer manuscript types such as Consensus and Position Papers, Systematic Reviews, Meta-analyses, and Short communications, while case reports are no longer accepted. The journal also discusses controversial techniques, health policy, and social medicine.
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Subject
Cardiac & Cardiovascular Systems
Impact Factor
3.2
Quartile
Q2
Open Access Type
Hybrid
ISSN
0167-5273
eISSN
1874-1754
Invitation Only
No
Cost Range
USD 3790 APC for open access; no open access publication fee for subscription publication.
Submission Instructions
International Journal of Cardiology accepts the following article types. Click on an article type to view submission instructions.
Original Articles
Cover Letter
Cover Letter requirements are not specified.
Abstract
Original Articles must include a structured abstract. Abstract must not exceed 250 words. Abstract must be structured. Structured abstract should use the subheadings Background, Methods, Results and Conclusions, or a merged Methods and Results subheading.
Manuscript
Original Articles must not exceed 3,500 words. Manuscript must be organized as Title page, Structured Abstract, Key words (3-6), Introduction, Methods, Results, Discussion, Acknowledgments, and References, and must include a Study limitations subsection. Manuscript must include 3 to 6 keywords and, if generative AI tools were used in manuscript preparation, a declaration statement in a new section before the references list.
References
Original Articles must not exceed 50 references. References must be cited in the text using numbers in square brackets and listed in the order they appear in the article.
Figures & Tables
Original Articles must not exceed 4 tables/figures. Figures must be supplied as separate files, while tables are not explicitly required to be embedded or uploaded separately. All figures and tables must be cited in the text, numbered consecutively in order of appearance, and accompanied by captions.
Original Clinical Research Studies
Cover Letter
Cover Letter requirements are not specified.
Abstract
A structured abstract is required for Original Clinical Research Studies. The abstract must not exceed 250 words. The abstract must be structured. The structured abstract should use the subheadings Background, Methods, Results and Conclusions, or a merged Methods and Results subheading.
Manuscript
The manuscript must not exceed 3,500 words. The manuscript must be organized as Title page, Structured Abstract, Key words, Introduction, Methods, Results, Discussion, Acknowledgments, and References, and must include a Study limitations subsection. The manuscript must include 3 to 6 keywords and, if generative AI tools were used, a declaration statement in a new section before the references list.
References
The manuscript must not exceed 50 references. References must be cited in the text using numbers in square brackets and listed in the order of first appearance.
Figures & Tables
The manuscript must not exceed 4 tables and/or figures in total. Figures must be uploaded as separate files, and tables must be submitted as editable text. All figures and tables must be cited in the text, numbered in order of appearance, and accompanied by captions.
Basic Science/Translational Research Papers
Cover Letter
Cover Letter requirements are not specified.
Abstract
A structured abstract is required. Abstract must not exceed 250 words and must include a 50–75 word paragraph or two describing the translational aspect of the work. Abstract must be structured. Abstract should use the subheadings Background, Methods, Results and Conclusions, or a merged Methods and Results subheading.
Manuscript
Manuscript must not exceed 3,500 words. Manuscript must be divided into the sections Title page, Structured Abstract, Key words, Introduction, Methods, Results, Discussion, Acknowledgments, and References, and must include a Study limitations subsection. Manuscript must include 3–6 keywords and, if generative AI tools were used in preparation, a declaration statement in a new section before the references list.
References
Reference list must not exceed 50 references. References must be cited in the text using numbers in square brackets and listed in the order they appear in the article, with journal names abbreviated according to LTWA.
Figures & Tables
The combined total of tables and figures must not exceed 4. Figures must be uploaded as separate files, while table placement is not explicitly stated. Tables must be editable text with captions, and all figures and tables must be cited and numbered consecutively in the text.
Systematic Reviews
Cover Letter
Cover Letter requirements are not specified.
Abstract
An abstract is required and must not exceed 250 words. Abstract must not exceed 250 words.
Manuscript
Manuscripts must be divided into clearly defined and numbered sections, and the abstract must not be included in the section numbering. Include 1 to 7 keywords in English, complete the declarations tool, and if generative AI tools were used add a declaration statement in a new section before the references list.
References
References must be cited in the text using numbers in square brackets and listed in numerical order of appearance. References must be numbered in the order they appear in the article, every in-text citation must appear in the reference list and vice versa, and journal names must be abbreviated according to LTWA.
Figures & Tables
Figures must be supplied as separate files, while tables are submitted as editable text. All figures and tables must be cited in the text and numbered consecutively, and each must include a caption.
Meta-Analyses
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract is required and must not exceed 250 words. Abstract must not exceed 250 words.
Manuscript
Manuscript must be divided into clearly defined and numbered sections, with the abstract excluded from section numbering. Manuscript must include 1 to 7 keywords in English, complete the required declarations, and include a generative AI declaration in a new section before the references if AI tools were used.
References
References must be cited in the text using numbers in square brackets. References must be numbered in the order of appearance in the article, every in-text citation must appear in the reference list and vice versa, and journal names must be abbreviated according to LTWA.
Figures & Tables
Figures must be supplied as separate files, while tables must be submitted as editable text. All figures and tables must be cited in the text, numbered according to their order of appearance, and provided with captions.
Invited Reviews
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract must not exceed 250 words.
Manuscript
Invited Reviews must consist of a maximum of 3500 words. Manuscripts must be divided into clearly defined and numbered sections. Manuscripts must include 1 to 7 keywords in English, complete the declarations tool, disclose any use of generative AI at submission, and include an AI declaration section before the references if such tools were used.
References
Invited Reviews may include up to 50 references. References must be cited as numbers in square brackets and listed in the order they appear in the article, with journal names abbreviated according to LTWA.
Figures & Tables
Invited Reviews may include a maximum of 4 tables/figures. Figures must be supplied as separate files, while tables are addressed only as editable text submissions. Tables must be editable text with captions and figures must have captions.
Unsolicited Reviews
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract must not exceed 250 words.
Manuscript
Manuscript must be 3,500 words. Manuscript may be a narrative review, systematic review, or metanalysis focused on new and innovative topics. Manuscript must include a high-quality central illustration, provide 1 to 7 keywords in English, complete the declarations tool, and include a generative AI declaration section before the references if AI tools were used in manuscript preparation.
References
Reference list must include 50 references. References must be cited in the text using numbers in square brackets and listed in the order they appear in the article, with journal names abbreviated according to LTWA.
Figures & Tables
Additional references, tables, and figures are permitted only as supplementary material. Figures must be supplied as separate files, while tables must be submitted as editable text. A high-quality central illustration is required, and all figures and tables must be cited in the manuscript text and include captions.
Consensus Papers
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, with the abstract excluded from section numbering. Include 1 to 7 English keywords, complete the declarations tool and upload the competing interests declaration, acknowledge co-author contributions using CRediT roles, disclose funding sources, and add a generative AI declaration in a new section before the references if AI tools were used in manuscript preparation.
References
References must be cited in the text using numbers in square brackets. References must be numbered in the order they appear in the article, every in-text citation must appear in the reference list and vice versa, and journal names must be abbreviated according to LTWA.
Figures & Tables
Figures must be supplied as separate files, while tables must be submitted as editable text. All figures and tables must be cited in the manuscript text, numbered consecutively in order of appearance, and provided with captions, and table notes must appear below the table body.
Position Papers
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, with the abstract excluded from section numbering. Manuscript must include 1 to 7 English keywords, a separate acknowledgements section before the references, CRediT author contribution acknowledgment, required declarations including funding disclosure, and an end-of-manuscript generative AI declaration section before the references if AI tools were used.
References
References must be cited in the text using numbers in square brackets. References must be numbered in the order they appear in the article, every in-text citation must appear in the reference list and vice versa, and journal names must be abbreviated according to LTWA.
Figures & Tables
Figures must be supplied as separate files, while tables must be submitted as editable text. All figures and tables must be cited in the manuscript text, numbered consecutively in order of appearance, and accompanied by captions, with table notes placed below the table body.
Short Communication
Cover Letter
Cover Letter requirements are not specified.
Abstract
Short Communication requires a structured abstract. Structured abstract should be around 200 words and must not exceed 250 words. Abstract must be structured. Structured abstract should use the subheadings Background, Methods, Results and Conclusions, or a merged Methods and Results subheading.
Manuscript
Short Communication must not exceed 1,500 words. Manuscript must be structured in the same fashion as original papers and divided into Title page, Structured Abstract, Key words, Introduction, Methods, Results, Discussion, Acknowledgments, and References, with a Study limitations subsection included. Manuscript must include 3 to 6 keywords and, if generative AI tools were used in manuscript preparation, a declaration statement placed in a new section before the references list.
References
Short Communication must not exceed 20 references. References must be cited in the text using numbers in square brackets and numbered in the order of appearance, with journal names abbreviated according to LTWA.
Figures & Tables
Short Communication must not exceed 2 figures/tables. Figures must be supplied as separate files, whereas tables are submitted with the manuscript as editable text. All figures and tables must be cited in the text, numbered consecutively in order of appearance, and accompanied by captions.
Response Letters To The Editor
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract requirements are not specified.
Manuscript
Response Letters To The Editor must not exceed 250 words in total. Response Letters To The Editor must not include subheadings.
References
Response Letters To The Editor may include up to five references. References should follow the journal’s numbered square-bracket citation style. References must be numbered in the order they appear in the article and journal names must be abbreviated according to LTWA.
Figures & Tables
Response Letters To The Editor must not include figures or tables.
Recent Publications
Persistent C-reactive protein elevation and heart failure: Risk marker, mediator, or therapeutic target?
Panagiotis Iliakis
10.1016/j.ijcard.2026.134989
View Publication
When speed matters on the frontline: Diagnostic performance of a rapid NT-proBNP test kit compared with point-of-care quantitative assay in acute dyspnoeic patients
R.S.L. Chew, B.K. Chung, H.S. Ling, K.P.S. Wong, W.K. Ho, Y.L. Cham, A.Y.Y. Fong, T.K. Ong
10.1016/j.ijcard.2026.134803
View Publication
Impact of a dedicated heart failure optimization clinic (HFOC) on clinical, functional and biomarkers outcomes
S.H. Ong
10.1016/j.ijcard.2026.134926
View Publication
Frequently asked questions
How long does it take to publish?
4 days submission to first decision; 31 days submission to decision after review; 36 days submission to acceptance; 3 days acceptance to online publication
Reformat to International Journal of Cardiology using Livewrite PremiumWhat are the publication costs?
Open access APC: USD 3790 excluding taxes for all articles. Subscription publication has no open access publication fee.
Reformat to International Journal of Cardiology using Livewrite PremiumResearch Topics
Cardiac Imaging and Diagnostics
Cardiovascular Function and Risk Factors
Coronary Interventions and Diagnostics
Atrial Fibrillation Management and Outcomes
Acute Myocardial Infarction Research
Cardiac Valve Diseases and Treatments
Cardiac electrophysiology and arrhythmias
Cardiac Arrhythmias and Treatments
Heart Failure Treatment and Management
Congenital Heart Disease Studies
Cardiac pacing and defibrillation studies
Cardiac Structural Anomalies and Repair
Cardiomyopathy and Myosin Studies
Cardiovascular Effects of Exercise
Heart Rate Variability and Autonomic Control
Pulmonary Hypertension Research and Treatments
Infective Endocarditis Diagnosis and Management
Takotsubo Cardiomyopathy and Associated Phenomena
Coronary Artery Anomalies
Antiplatelet Therapy and Cardiovascular Diseases
Aortic Disease and Treatment Approaches
Cardiovascular Disease and Adiposity
Blood Pressure and Hypertension Studies
Cardiac Health and Mental Health
Lipoproteins and Cardiovascular Health