{"title":"Is Lower-Dose Edoxaban Sufficiently Effective and Safe for the Treatment of Korean Patients With Atrial Fibrillation?","authors":"Sung Il Im","doi":"10.4070/kcj.2024.0402","DOIUrl":"10.4070/kcj.2024.0402","url":null,"abstract":"","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":"55 3","pages":"228-230"},"PeriodicalIF":3.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11922593/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143649541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jihoon Kim, Seong-Hoon Lim, Joo-Yong Hahn, Jin-Ok Jeong, Yong Hwan Park, Woo Jung Chun, Ju Hyeon Oh, Dae Kyoung Cho, Yu Jeong Choi, Eul-Soon Im, Kyung-Heon Won, Sung Yun Lee, Sang-Wook Kim, Ki Hong Choi, Joo Myung Lee, Taek Kyu Park, Jeong Hoon Yang, Young Bin Song, Seung-Hyuk Choi, Hyeon-Cheol Gwon
{"title":"Outcomes of Deferring Percutaneous Coronary Intervention Without Physiologic Assessment for Intermediate Coronary Lesions.","authors":"Jihoon Kim, Seong-Hoon Lim, Joo-Yong Hahn, Jin-Ok Jeong, Yong Hwan Park, Woo Jung Chun, Ju Hyeon Oh, Dae Kyoung Cho, Yu Jeong Choi, Eul-Soon Im, Kyung-Heon Won, Sung Yun Lee, Sang-Wook Kim, Ki Hong Choi, Joo Myung Lee, Taek Kyu Park, Jeong Hoon Yang, Young Bin Song, Seung-Hyuk Choi, Hyeon-Cheol Gwon","doi":"10.4070/kcj.2023.0223","DOIUrl":"10.4070/kcj.2023.0223","url":null,"abstract":"<p><strong>Background and objectives: </strong>Outcomes of deferring percutaneous coronary intervention (PCI) without invasive physiologic assessment for intermediate coronary lesions is uncertain. We sought to compare long-term outcomes between medical treatment and PCI of intermediate lesions without invasive physiologic assessment.</p><p><strong>Methods: </strong>A total of 899 patients with intermediate coronary lesions between 50% and 70% diameter-stenosis were randomized to the conservative group (n=449) or the aggressive group (n=450). For intermediate lesions, PCI was performed in the aggressive group, but was deferred in the conservative group. The primary endpoint was major adverse cardiac events (MACE, a composite of all-cause death, myocardial infarction [MI], or ischemia-driven any revascularization) at 3 years.</p><p><strong>Results: </strong>The number of treated lesions per patient was 0.8±0.9 in the conservative group and 1.7±0.9 in the aggressive group (p=0.001). At 3 years, the conservative group had a significantly higher incidence of MACE than the aggressive group (13.8% vs. 9.3%; hazard ratio [HR], 1.49; 95% confidence interval [CI], 1.00-2.21; p=0.049), mainly driven by revascularization of target intermediate lesion (6.5% vs. 1.1%; HR, 5.69; 95% CI, 2.20-14.73; p<0.001). Between 1 and 3 years after the index procedure, compared to the aggressive group, the conservative group had significantly higher incidence of cardiac death or MI (3.2% vs. 0.7%; HR, 4.34; 95% CI, 1.24-15.22; p=0.022) and ischemia-driven any revascularization.</p><p><strong>Conclusions: </strong>For intermediate lesions, medical therapy alone, guided only by angiography, was associated with a higher risk of MACE at 3 years compared with performing PCI, mainly due to increased revascularization.</p><p><strong>Trial registration: </strong>ClinicalTrials.gov Identifier: NCT00743899.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"185-195"},"PeriodicalIF":3.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11922590/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143441214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Peijian Wei, Yihang Li, Liang Xu, Junyi Wan, Fengwen Zhang, Gary Tse, Jeffrey Shi Kai Chan, Shouzheng Wang, Wenbin Ouyang, Gejun Zhang, Fang Fang, Xiangbin Pan
{"title":"Comparison of Embolization Coils and Patent Ductus Arteriosus Occluders for Coronary Artery Fistula Transcatheter Closure: A Single Centre Experience.","authors":"Peijian Wei, Yihang Li, Liang Xu, Junyi Wan, Fengwen Zhang, Gary Tse, Jeffrey Shi Kai Chan, Shouzheng Wang, Wenbin Ouyang, Gejun Zhang, Fang Fang, Xiangbin Pan","doi":"10.4070/kcj.2024.0202","DOIUrl":"10.4070/kcj.2024.0202","url":null,"abstract":"<p><strong>Background and objectives: </strong>There is no dedicated occlusive device for closing coronary artery fistulas (CAFs), and specific efficacy and safety data of various off-label occlusive devices for CAFs closure are scarce.</p><p><strong>Methods: </strong>Patients undergoing transcatheter closure of CAFs from January 2011 to December 2022 were included in the single-center retrospective study. The study population was divided into 2 groups: coils group (n=35) and patent ductus arteriosus (PDA) occluders group (n=66).</p><p><strong>Results: </strong>No significant intergroup differences were observed in demographic characteristics except age. The presence of multiple CAF origins (54.3% vs. 4.5%, p<0.001) and multiple draining sites (51.4% vs. 3.0%, p<0.001) were more common in the coils group. In contrast, the presence of aneurysm (72.7% vs. 14.3%, p<0.001), and large fistula (75.8% vs. 37.1%, p<0.001) were more prevalent in the PDA occluders group. The acute procedural success rate of the PDA occluders group was higher compared to that of the coils group (87.9% vs. 62.9%, adjusted odds ratio [OR], 7.20; 95% confidence interval, 1.59-32.64; p=0.01). In addition, no significant intergroup differences were noted in both the recanalization rate (7.8% vs. 20%, p=0.107) and the reintervention rate (3.1% vs. 8.6%, p=0.342).</p><p><strong>Conclusions: </strong>Transcatheter closure of CAFs using PDA occluders was associated with significantly higher acute procedural success rates compared to coil embolization with comparable late outcomes.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"199-212"},"PeriodicalIF":3.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11922596/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142903320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hongyan Zhou, Hae Jin Kee, Le Wan, Yodita Asfaha, Fabian Fischer, Matthias U Kassack, Thomas Kurz, Seong Hoon Kim, Seung-Jung Kee, Young Joon Hong, Myung Ho Jeong
{"title":"YAK577 Attenuates Cardiac Remodeling and Fibrosis in Isoproterenol-Infused Heart Failure Mice by Downregulating MMP12.","authors":"Hongyan Zhou, Hae Jin Kee, Le Wan, Yodita Asfaha, Fabian Fischer, Matthias U Kassack, Thomas Kurz, Seong Hoon Kim, Seung-Jung Kee, Young Joon Hong, Myung Ho Jeong","doi":"10.4070/kcj.2024.0093","DOIUrl":"10.4070/kcj.2024.0093","url":null,"abstract":"<p><strong>Background and objectives: </strong>Heart failure is a potentially fatal event caused by diverse cardiovascular diseases, leading to high morbidity and mortality. Histone deacetylase (HDAC) inhibitors positively influence cardiac hypertrophy, fibrosis, hypertension, myocardial infarction, and heart failure, causing some side effects. We aimed to investigate the effect of the novel HDAC inhibitor YAK577 on the heart failure mouse model and its underlying mechanism.</p><p><strong>Methods: </strong>New hydroxamic acid YAK577 was prepared via methyl-2,3-diphenylpropanoate synthesis using carboxylic acids. We used a micro-osmotic pump, including isoproterenol (ISO; 80 mg/kg/day), to induce a heart failure with reduced ejection fraction. Cardiac hypertrophy was assessed by heart weight to body weight ratio and cross-sectional area. The left ventricular (LV) function was assessed by echocardiography. Fibrosis was evaluated using picrosirius red staining. Overexpression and knockdown experiments were performed to investigate the association between HDAC8 and matrix metalloproteinase 12 (MMP12).</p><p><strong>Results: </strong>YAK577 treatment restored ISO-induced reduction in LV fractional shortening and ejection fraction (n=9-11). YAK577 significantly downregulated cardiac hypertrophy marker genes (natriuretic peptide B, <i>NPPB</i>, and myosin heavy chain 7, <i>MYH7</i>) and cardiomyocyte size in vitro but not in vivo. YAK577 ameliorated cardiac fibrosis and fibrosis-related genes in vivo and in vitro. Additionally, YAK577 reduced elevated HDAC8 and MMP12 mRNA and protein expressions in ISO-infused mice, H9c2 cells, and rat neonatal cardiomyocytes. HDAC8 overexpression stimulated <i>MMP12</i> and <i>NPPB</i> mRNA levels, while HDAC8 knockdown downregulated these genes.</p><p><strong>Conclusions: </strong>YAK577 acts as a novel heart failure drug through the HDAC8/MMP12 pathway.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"231-247"},"PeriodicalIF":3.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11922594/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142729776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Is the Jury Still Out for Judging the Right Decision for Intermediate Stenosis?","authors":"Bon-Kwon Koo","doi":"10.4070/kcj.2024.0413","DOIUrl":"10.4070/kcj.2024.0413","url":null,"abstract":"","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"196-198"},"PeriodicalIF":3.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11922595/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143441220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Non-Invasive Hemodynamic Assessment of Heart Failure With Preserved Ejection Fraction.","authors":"Sabina Istratoaie, Charlotte L Frost, Erwan Donal","doi":"10.4070/kcj.2024.0370","DOIUrl":"10.4070/kcj.2024.0370","url":null,"abstract":"<p><p>Heart failure with preserved ejection fraction (HFpEF) is a major healthcare problem with increasing prevalence. There has been a shift in HFpEF management towards early diagnosis and phenotype-specific targeted treatment. However, diagnosing HFpEF remains challenging due to a lack of universal criteria and patient heterogeneity. This review aims to provide a comprehensive assessment of the diagnostic workup of HFpEF, highlighting the role of echocardiography in HFpEF phenotyping.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":"55 3","pages":"165-184"},"PeriodicalIF":3.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11922599/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143649542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Myoung Jung Kim, Pil-Sung Yang, Juwon Kim, Seung-Jung Park, Kyoung-Min Park, Young Keun On, So-Ryoung Lee, Myung-Jin Cha, Chang Hee Kwon, Sung Ho Lee, Junbeom Park, Jaemin Shim, Il-Young Oh, Ki-Hun Kim, Jun-Hyung Kim, Hong Euy Lim, Ju Youn Kim
{"title":"Cryoballoon Ablation of Atrial Fibrillation in Patients With Hypertrophic Cardiomyopathy: From the Korean Cryoballoon Ablation Registry.","authors":"Myoung Jung Kim, Pil-Sung Yang, Juwon Kim, Seung-Jung Park, Kyoung-Min Park, Young Keun On, So-Ryoung Lee, Myung-Jin Cha, Chang Hee Kwon, Sung Ho Lee, Junbeom Park, Jaemin Shim, Il-Young Oh, Ki-Hun Kim, Jun-Hyung Kim, Hong Euy Lim, Ju Youn Kim","doi":"10.4070/kcj.2024.0310","DOIUrl":"https://doi.org/10.4070/kcj.2024.0310","url":null,"abstract":"<p><strong>Background and objectives: </strong>Atrial fibrillation (AF) occurs in more than 20% of hypertrophic cardiomyopathy (HCM) patients, further increasing the risk of stroke. Although radiofrequency catheter ablation in AF patients with HCM has been performed, data on cryoballoon ablation (CBA) in HCM patients are limited. We evaluated the efficacy and safety of CBA in HCM patients with AF.</p><p><strong>Methods: </strong>The study included 2,649 patients with AF from the Korean CBA registry database with follow-up >12 months after de novo CBA. The primary efficacy outcome was recurrence of atrial tachyarrhythmias (ATs) ≥30s after a 3-month blanking period.</p><p><strong>Results: </strong>Totals of 1,176 paroxysmal AF (44.4%) and 1,473 persistent atrial fibrillation (PeAF, 55.6%) patients (mean age 61.7 years; 76.7% men) underwent de novo CBA. Compared to non-HCM patients (n=2,590), those with HCM (n=59) had larger left atrium and higher prevalence of heart failure, previous stroke or transient ischemic attack, and PeAF. Procedure-related complications were not statistically different between the 2 groups. During a mean follow-up period of 638±308 days, 875 (33.0%) patients experienced recurrence of ATs (845 [32.6%] non-HCM patients and 30 [50.8%] HCM patients) (p=0.01). The overall AT-free survival rate at 2 years was 45.9% in HCM group and 63.3% in non-HCM group, respectively (p=0.014), whereas there was no significant difference between the two groups in PeAF.</p><p><strong>Conclusions: </strong>CBA may be an effective rhythm control treatment for patients with AF and HCM, with an AT-free survival rate of approximately 50% at 2-year follow-up and low procedure-related complications.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144000549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Ultimately, the Problem Lies in the Arterial Diameter.","authors":"Hyoung Woo Chang","doi":"10.4070/kcj.2025.0030","DOIUrl":"https://doi.org/10.4070/kcj.2025.0030","url":null,"abstract":"","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144015995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ji Woong Roh, Oh-Hyun Lee, Yongcheol Kim, Seok-Jae Heo, Eui Im, Deok-Kyu Cho
{"title":"Diastolic Hyperemia-Free Ratio in Patients With Coronary Artery Disease: A Prospective Observational Study.","authors":"Ji Woong Roh, Oh-Hyun Lee, Yongcheol Kim, Seok-Jae Heo, Eui Im, Deok-Kyu Cho","doi":"10.4070/kcj.2024.0351","DOIUrl":"https://doi.org/10.4070/kcj.2024.0351","url":null,"abstract":"<p><strong>Background and objectives: </strong>Diastolic hyperemia-free ratio (DFR), an alternative to fractional flow reserve (FFR) for the assessment of intermediate coronary artery stenosis, helps reduce patients' time, and inconvenience. However, the validation data for DFR and FFR are lacking. We aimed to evaluate the diagnostic accuracy of DFR and FFR and to assess the effective decision making for revascularization using their values.</p><p><strong>Methods: </strong>Patients subjected to an invasive physiological study for intermediate coronary artery stenosis at a single center in South Korea between August 2022 and January 2024 were prospectively recruited. We evaluated the correlation between DFR and FFR measurements and the diagnostic accuracy of DFR ≤0.89 to predict FFR ≤ 0.80. We also compared the correlation for each coronary artery.</p><p><strong>Results: </strong>A total of 324 intermediate coronary stenotic lesions from 300 patients were evaluated using DFR and FFR values simultaneously. There was a strong linear relationship between DFR and FFR (r = 0.80; 95% confidence interval [CI], 0.76-0.84; p < 0.001). The diagnostic accuracy of the DFR was 92.0% in predicting FFR ≤0.80. When compared separately for each coronary artery, all vessels showed a strong linear relationship with no statistical differences between any of the vessels (p=0.641). There was also a strong linear relationship between DFR and distal coronary pressure/aorta pressure (r=0.93; 95% CI, 0.91-0.94; p<0.001).</p><p><strong>Conclusions: </strong>There was a strong correlation between DFR and FFR and a high diagnostic accuracy rate of DFR compared to FFR. Good diagnostic performance of DFR was also observed in each coronary artery.</p><p><strong>Trial registration: </strong>ClinicalTrials.gov Identifier: NCT05421169.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144006386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}