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Circulation

Circulation represents the best in the field of cardiovascular medicine and science as well as basic science.

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Subject Cardiac & Cardiovascular Systems, Peripheral Vascular Disease
Impact Factor 38.6
Quartile Q1
Open Access Type Hybrid
ISSN 0009-7322
eISSN 1524-4539
Invitation Only No
Cost Range Payment of page charges or an APC (article processing charge) may be required.

Submission Instructions

Circulation accepts the following article types. Click on an article type to view submission instructions.

Original Article

Cover Letter Cover letter requirement is not specified.
Abstract A structured abstract (≤350 words) is required with headings: Background, Methods, Results, Conclusions.
Manuscript A Clinical Perspective section is required after the abstract: “What is new?” (2–3 bullets, max 100 words) and “What are the clinical implications?” (2–3 bullets, max 100 words), with each bullet a single complete sentence. Maximum length: ≤5,000 words.
References References use a numbered endnote style, cited in numerical order of first mention; list the first 10 authors then “et al.” Maximum number of references: 50.
Figures & Tables Tables must be provided as editable text (not images). Maximum number of figures and tables: 8.
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Research Letter

Cover Letter Cover letter requirement is not specified.
Abstract Abstract must not be included.
Manuscript Maximum length: 800 words. Section structure is specified: Title Page, Introduction, Methods, Results, Discussion, Acknowledgments, Sources of Funding, Disclosures, References.
References Maximum number of references: 5. References must use numbered endnotes and be cited in numerical order of first mention; list first 10 authors then “et al.”
Figures & Tables Only 1 figure or table is allowed. Figures/tables may be embedded in the main PDF; tables must be editable text (not images).
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Consensus Report

Cover Letter Cover letter requirement is not specified.
Abstract Unstructured abstract is required (200–350 words). References must not be cited in the abstract.
Manuscript Length ≤7,500 words (word count excludes title page, abstract, references, tables, and figure legends). Required order includes IMRaD sections plus “Non-standard Abbreviations and Acronyms” and a bulleted Clinical Perspective after the abstract.
References References are limited to ≤100. Numbered endnote style; cite in numerical order of first mention and list first 10 authors then “et al.”
Figures & Tables Maximum combined figures and tables: 8. Tables must be editable text (not images) and figures for publication must be TIFF/EPS/PDF (multi-panel figures assembled as one file).
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Commentary

Cover Letter Cover letter requirement is not specified. Cover-letter content requirements are not specified.
Abstract Abstract is required. Abstract word limit and structure/headings are not specified.
Manuscript Manuscript word/page/character limits are not specified. Manuscripts must be ordered: Title Page, Abstract, Introduction, Methods, Results, Discussion, Acknowledgments, Sources of Funding, Disclosures, References, Tables, Figures with legends, plus a Clinical Perspective after the abstract.
References No maximum or minimum reference count is indicated. References must use numbered endnotes, cited in numerical order of first mention; list first 10 authors then “et al.”
Figures & Tables No maximum or minimum figure/table count is indicated. Tables must be editable text (not images) and included in the main manuscript; figure parts must be labeled and multi-paneled figures assembled into a single file.
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In Depth Review

Recent Publications

The 2026 American College of Cardiology/American Heart Association Multisociety Guideline on the Management of Dyslipidemia: A More Precise—But More Complicated—Framework for Atherosclerotic Cardiovascular Disease Prevention and Treatment

Karol E. Watson, Gregg C. Fonarow

10.1161/circulationaha.126.079538
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Clinical Guidelines as a Continuous Work in Progress: Moving at the Speed of Science

Roger S. Blumenthal, Pamela B. Morris

10.1161/cir.0000000000001429
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2026 ACC/AHA/AACVPR/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Dyslipidemia: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines

Roger S. Blumenthal, Pamela B. Morris, Mario Gaudino, Heather M. Johnson, Timothy S. Anderson, Vera A. Bittner, Ron Blankstein, LaPrincess C. Brewer, Leslie Cho, Sarah D. de Ferranti, Eugenia Gianos, Ty J. Gluckman, Kristen F. Gradney, Ijeoma Isiadinso, Donald M. Lloyd-Jones, Joel C. Marrs, Seth S. Martin, Kellie H. McLain, Laxmi S. Mehta, Samia Mora, Wudeneh M. Mulugeta, Pradeep Natarajan, Ann Marie Navar, Carl E. Orringer, Tamar S. Polonsky, Harmony R. Reynolds, Joseph J. Saseen, Michael D. Shapiro, Daniel E. Soffer, Sheila A. Tynes, Chloé D. Villavaso, Salim S. Virani, John T. Wilkins

10.1161/cir.0000000000001423
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Intramuscular Adipose Tissue Accumulation is a Key Determinant of Limb Function in Peripheral Artery Disease

Victoria R. Palzkill, Divyansha Moparthy, Qingping Yang, Jaewon Choi, Xinyue Liu, Kyoungrae Kim, Ambili B. Appu, Caroline G. Pass, Scott A. Berceli, Curt D. Sigmund, Salvatore T. Scali, Daniel Kopinke, Terence E. Ryan

10.1161/circulationaha.125.078336
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Response by Chu et al to Letter Regarding Article, “Joint Exposure to Ozone and Temperature and Acute Myocardial Infarction Among Adults Aged 18 to 64 Years in the United States”

Lingzhi Chu, Xiaomei Ma, Kai Chen

10.1161/circulationaha.125.078382
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Frequently asked questions

How long does it take to publish?

Lead times for original research articles: submission to 1st decision 17 days; acceptance to publish ahead of print 7–10 days; acceptance to print publication 81 days.

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Is a cover letter required?

A cover letter is used to indicate changes to the author list in a revised submission.

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What are the publication costs?

Payment of page charges or an APC (article processing charge) may be required.

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Research Topics

Cardiac Imaging and Diagnostics Cardiovascular Function and Risk Factors Cardiovascular Health and Risk Factors Cardiac electrophysiology and arrhythmias Cardiac Arrhythmias and Treatments Cardiac Valve Diseases and Treatments Cardiovascular Disease and Adiposity Atrial Fibrillation Management and Outcomes Congenital Heart Disease Studies Cardiac pacing and defibrillation studies Cardiac Arrest and Resuscitation Coronary Interventions and Diagnostics Acute Myocardial Infarction Research Cardiac Structural Anomalies and Repair Cardiomyopathy and Myosin Studies Lipoproteins and Cardiovascular Health Heart Rate Variability and Autonomic Control Pulmonary Hypertension Research and Treatments Heart Failure Treatment and Management Cardiovascular Effects of Exercise Cardiac Ischemia and Reperfusion Mechanical Circulatory Support Devices Atherosclerosis and Cardiovascular Diseases Cerebrovascular and Carotid Artery Diseases Antiplatelet Therapy and Cardiovascular Diseases