Journal profile · CARDIAC & CARDIOVASCULAR SYSTEMS
Korean Circulation Journal
ISSN 1738-5520 · eISSN 1738-5555 · Korean Society of Circulation · SOUTH KOREA
Korean Circulation Journal: CAS Zone 3 · Medicine (2025 upgraded edition); impact factor 3.32; fully open access; median 77 days to acceptance (98 articles, last 24 months); 144 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Korean Circulation Journal is published by Korean Society of Circulation and is in Zone 3 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Cardiac Imaging and Diagnostics, Coronary Interventions and Diagnostics and Cardiovascular Function and Risk Factors, together about 28.8% of its articles. Its main subfields are Cardiology and Cardiovascular Medicine. (generated from OpenAlex topic counts and CAS ranking data)
Korean Circulation Journal is the official journal of the Korean Society of Cardiology, the Korean Pediatric Heart Society, the Korean Society of Interventional Cardiology, and the Korean Society of Heart Failure. Abbreviated title is 'Korean Circ J'. Korean Circulation Journal, established in 1971, is a professional, peer-reviewed journal covering all aspects of cardiovascular medicine, including original articles of basic research and clinical findings, review articles, editorials, images in cardiovascular medicine, and letters to the editor. Korean Circulation Journal is published monthly in English and publishes scientific and state-of-the-art clinical articles aimed at improving human health in general and contributing to the treatment and prevention of cardiovascular diseases in particular. The journal is published on the official website (https://e-kcj.org). It is indexed in PubMed, PubMed Central, Science Citation Index Expanded (SCIE, Web of Science), Scopus, EMBASE, Chemical Abstracts Service (CAS), Google Scholar, KoreaMed, KoreaMed Synapse and KoMCI, and easily available to wide international researchers
Source: LetPub
Research area (LetPub): CARDIAC & CARDIOVASCULAR SYSTEMS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Cardiac Imaging and DiagnosticsMedicine12.2%
- Coronary Interventions and DiagnosticsMedicine9.1%
- Cardiovascular Function and Risk FactorsMedicine7.6%
- Cardiac Valve Diseases and TreatmentsMedicine6.8%
- Cardiac Arrhythmias and TreatmentsMedicine5.8%
- Atrial Fibrillation Management and OutcomesMedicine5.3%
- Acute Myocardial Infarction ResearchMedicine5.1%
- Cardiac electrophysiology and arrhythmiasMedicine4%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Cardiac & Cardiovascular Systems | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Cardiac & Cardiovascular Systems | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Cardiac & Cardiovascular Systems | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 3.32LetPub ·
- CiteScore 2026-06
- 4.5LetPub ·
- SJR 2026-06
- 0.79LetPub ·
- SNIP 2026-06
- 0.83LetPub ·
- h-index
- 22LetPub ·
- h-index
- 58OpenAlex ·
- i10-index
- 855OpenAlex ·
- 2-year mean citedness
- 1.88OpenAlex ·
- Self-citation rate
- 8.8%LetPub ·
- Share of gold OA articles
- 96.47%LetPub ·
Volume
- Articles per year
- 69LetPub ·
Articles by year OpenAlex count · 5,650 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 135 | 126 | 55 |
| 2025 | 144 | 144 | 271 |
| 2024 | 126 | 126 | 434 |
| 2023 | 98 | 98 | 608 |
| 2022 | 103 | 103 | 649 |
| 2021 | 125 | 125 | 1,389 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
77 daysMedian, submission to acceptance · P25–P75 20 days – 126 days
- Acceptance to online
- median 37 days (98 articles)
- Submission to online
- median 114 days
- Sample
- 98 articles with submission and acceptance dates (304 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessLetPub
Every article is open access; authors usually pay an article processing charge (APC).
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Policy excerpts from the journal's websiteData availability
- Data availability
Archived in Internet Archive Scholar and Internet Archive; unrestricted online access; archive coverage 2009–2018 Model summary
Digital Archives: Internet Archive Scholar, Internet Archive, https://fatcat.wiki/container/djiytrsk6zgx7jtef6p566kcsi, Unrestricted online access, 2009/2018
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Korean Society of Circulation
- Country or region
- SOUTH KOREA
- Language
- English
- ISSN
- 1738-5520
- Electronic ISSN
- 1738-5555
- Official links
- Journal homepage ↗LetPub
- Submission system ↗LetPub
FAQ
Frequently asked questions about Korean Circulation Journal
What CAS zone is Korean Circulation Journal in?
In the 2025 upgraded edition of the CAS Journal Ranking, Korean Circulation Journal is in Zone 3 of Medicine, and in Zone 3 of the minor category Cardiac & Cardiovascular Systems. In the 2026 Xinrui edition it is in Zone 3 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Korean Circulation Journal?
The latest impact factor listed by LetPub is 3.32; CiteScore 4.5, h-index 58.
How long does peer review take at Korean Circulation Journal?
Based on the dates recorded on 98 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 77 days (interquartile range 20–126 days). Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Korean Circulation Journal?
According to LetPub and DOAJ records, Korean Circulation Journal is indexed in SCIE and Scopus.
Is Korean Circulation Journal open access, and what is the APC?
Korean Circulation Journal is a fully open-access journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .