Doyeon Hwang, Sang-Hyeon Park, Chang-Wook Nam, Joon-Hyung Doh, Hyun Kuk Kim, Yongcheol Kim, Eun Ju Chun, Bon-Kwon Koo
{"title":"Diagnostic Performance of On-Site Automatic Coronary Computed Tomography Angiography-Derived Fractional Flow Reserve.","authors":"Doyeon Hwang, Sang-Hyeon Park, Chang-Wook Nam, Joon-Hyung Doh, Hyun Kuk Kim, Yongcheol Kim, Eun Ju Chun, Bon-Kwon Koo","doi":"10.4070/kcj.2023.0288","DOIUrl":"10.4070/kcj.2023.0288","url":null,"abstract":"<p><strong>Background and objectives: </strong>Fractional flow reserve (FFR) is an invasive standard method to identify ischemia-causing coronary artery disease (CAD). With the advancement of technology, FFR can be noninvasively computed from coronary computed tomography angiography (CCTA). Recently, a novel simpler method has been developed to calculate on-site CCTA-derived FFR (CT-FFR) with a commercially available workstation.</p><p><strong>Methods: </strong>A total of 319 CAD patients who underwent CCTA, invasive coronary angiography, and FFR measurement were included. The primary outcome was the accuracy of CT-FFR for defining myocardial ischemia evaluated with an invasive FFR as a reference. The presence of ischemia was defined as FFR ≤0.80. Anatomical obstructive stenosis was defined as diameter stenosis on CCTA ≥50%, and the diagnostic performance of CT-FFR and CCTA stenosis for ischemia was compared.</p><p><strong>Results: </strong>Among participants (mean age 64.7±9.4 years, male 77.7%), mean FFR was 0.82±0.10, and 126 (39.5%) patients had an invasive FFR value of ≤0.80. The diagnostic accuracy, sensitivity, specificity, positive predictive value, and negative predictive value of CT-FFR were 80.6% (95% confidence interval [CI], 80.5-80.7%), 88.1% (95% CI, 82.4-93.7%), 75.6% (95% CI, 69.6-81.7%), 70.3% (95% CI, 63.1-77.4%), and 90.7% (95% CI, 86.2-95.2%), respectively. CT-FFR had higher diagnostic accuracy (80.6% vs. 59.1%, p<0.001) and discriminant ability (area under the curve from receiver operating characteristic curve 0.86 vs. 0.64, p<0.001), compared with anatomical obstructive stenosis on CCTA.</p><p><strong>Conclusions: </strong>This novel CT-FFR obtained from an on-site workstation demonstrated clinically acceptable diagnostic performance and provided better diagnostic accuracy and discriminant ability for identifying hemodynamically significant lesions than CCTA alone.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"382-394"},"PeriodicalIF":3.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11252635/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141065710","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}
Soohyung Park, Seung-Woon Rha, Byoung Geol Choi, Jae-Bin Seo, Ik Jun Choi, Sung-Il Woo, Soo-Han Kim, Tae Hoon Ahn, Jae Sang Kim, Ae-Young Her, Ji-Hun Ahn, Han Cheol Lee, Jaewoong Choi, Jin Soo Byon, Markz Rmp Sinurat, Se Yeon Choi, Jinah Cha, Su Jin Hyun, Cheol Ung Choi, Chang Gyu Park
{"title":"Efficacy and Safety of Sirolimus-Eluting Stent With Biodegradable Polymer Ultimaster™ in Unselected Korean Population: A Multicenter, Prospective, Observational Study From Korean Multicenter Ultimaster Registry.","authors":"Soohyung Park, Seung-Woon Rha, Byoung Geol Choi, Jae-Bin Seo, Ik Jun Choi, Sung-Il Woo, Soo-Han Kim, Tae Hoon Ahn, Jae Sang Kim, Ae-Young Her, Ji-Hun Ahn, Han Cheol Lee, Jaewoong Choi, Jin Soo Byon, Markz Rmp Sinurat, Se Yeon Choi, Jinah Cha, Su Jin Hyun, Cheol Ung Choi, Chang Gyu Park","doi":"10.4070/kcj.2024.0023","DOIUrl":"10.4070/kcj.2024.0023","url":null,"abstract":"<p><strong>Background and objectives: </strong>Ultimaster™, a third-generation sirolimus-eluting stent using biodegradable polymer, has been introduced to overcome long term adverse vascular events, such as restenosis or stent thrombosis. In the present study, we aimed to evaluate the 12-month clinical outcomes of Ultimaster™ stents in Korean patients with coronary artery disease.</p><p><strong>Methods: </strong>This study is a multicenter, prospective, observational registry across 12 hospitals. To reflect real-world clinical evidence, non-selective subtypes of patients and lesions were included in this study. The study end point was target lesion failure (TLF) (the composite of cardiac death, target vessel myocardial infarction [MI], and target lesion revascularization [TLR]) at 12-month clinical follow up.</p><p><strong>Results: </strong>A total of 576 patients were enrolled between November 2016 and May 2021. Most of the patients were male (76.5%), with a mean age of 66.0±11.2 years. Among the included patients, 40.1% had diabetes mellitus (DM) and 67.9% had acute coronary syndrome (ACS). At 12 months, the incidence of TLF was 4.1%. The incidence of cardiac death was 1.5%, MI was 1.0%, TLR was 2.7%, and stent thrombosis was 0.6%. In subgroup analysis based on the presence of ACS, DM, hypertension, dyslipidemia, or bifurcation, there were no major differences in the incidence of the primary endpoint.</p><p><strong>Conclusions: </strong>The present registry shows that Ultimaster™ stent is safe and effective for routine real-world clinical practice in non-selective Korean patients, having a low rate of adverse events at least up to 12 months.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"339-350"},"PeriodicalIF":2.9,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11169905/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141065712","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}
Darae Kim, Jin-Oh Choi, Yang Hyun Cho, Kiick Sung, Jaewon Oh, Hyun Jai Cho, Sung-Ho Jung, Hae-Young Lee, Jin Joo Park, Dong-Ju Choi, Seok-Min Kang, Myoung Soo Kim, Jae-Joong Kim
{"title":"Impacts of Pre-transplant Panel-Reactive Antibody on Post-transplantation Outcomes: A Study of Nationwide Heart Transplant Registry Data.","authors":"Darae Kim, Jin-Oh Choi, Yang Hyun Cho, Kiick Sung, Jaewon Oh, Hyun Jai Cho, Sung-Ho Jung, Hae-Young Lee, Jin Joo Park, Dong-Ju Choi, Seok-Min Kang, Myoung Soo Kim, Jae-Joong Kim","doi":"10.4070/kcj.2023.0300","DOIUrl":"10.4070/kcj.2023.0300","url":null,"abstract":"<p><strong>Background and objectives: </strong>The number of sensitized heart failure patients on waiting lists for heart transplantation (HTx) is increasing. Using the Korean Organ Transplantation Registry (KOTRY), a nationwide multicenter database, we investigated the prevalence and clinical impact of calculated panel-reactive antibody (cPRA) in patients undergoing HTx.</p><p><strong>Methods: </strong>We retrospectively reviewed 813 patients who underwent HTx between 2014 and 2021. Patients were grouped according to peak PRA level as group A: patients with cPRA ≤10% (n= 492); group B: patients with cPRA >10%, <50% (n=160); group C patients with cPRA ≥50% (n=161). Post-HTx outcomes were freedom from antibody-mediated rejection (AMR), acute cellular rejection, coronary allograft vasculopathy, and all-cause mortality.</p><p><strong>Results: </strong>The median follow-up duration was 44 (19-72) months. Female sex, re-transplantation, and pre-HTx renal replacement therapy were independently associated with an increased risk of sensitization (cPRA ≥50%). Group C patients were more likely to have longer hospital stays and to use anti-thymocyte globulin as an induction agent compared to groups A and B. Significantly more patients in group C had positive flow cytometric crossmatch and had a higher incidence of preformed donor-specific antibody (DSA) compared to groups A and B. During follow-up, group C had a significantly higher rate of AMR, but the overall survival rate was comparable to that of groups A and B. In a subgroup analysis of group C, post-transplant survival was comparable despite higher preformed DSA in a desensitized group compared to the non-desensitized group.</p><p><strong>Conclusions: </strong>Patients with cPRA ≥50% had significantly higher incidence of preformed DSA and lower freedom from AMR, but post-HTx survival rates were similar to those with cPRA <50%. Our findings suggest that sensitized patients can attain comparable post-transplant survival to non-sensitized patients when treated with optimal desensitization treatment and therapeutic intervention.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"325-335"},"PeriodicalIF":2.9,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11169906/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141065719","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":"Erratum: Correction of Figures in the Article \"Angiotensin II Type 1 Receptor Blocker, Fimasartan, Reduces Vascular Smooth Muscle Cell Senescence by Inhibiting the CYR61 Signaling Pathway\".","authors":"Inho Kim, Chan Soon Park, Hae-Young Lee","doi":"10.4070/kcj.2024.0999","DOIUrl":"10.4070/kcj.2024.0999","url":null,"abstract":"<p><p>This corrects the article on p. 615 in vol. 49, PMID: 31074217.</p>","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"361-362"},"PeriodicalIF":2.9,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11169912/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141065714","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":"The Outcomes of Highly Sensitized Heart Transplant Patients in South Korea: Insights and Perspectives.","authors":"Soo Yong Lee","doi":"10.4070/kcj.2024.0122","DOIUrl":"10.4070/kcj.2024.0122","url":null,"abstract":"","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":"54 6","pages":"336-338"},"PeriodicalIF":2.9,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11169910/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141306201","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":"Mitral Annular Velocity in Primary MR: Unveiling the Prognostic Potential of an Oldie But Goodie.","authors":"Sung-Hee Shin","doi":"10.4070/kcj.2024.0151","DOIUrl":"10.4070/kcj.2024.0151","url":null,"abstract":"","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":"54 6","pages":"323-324"},"PeriodicalIF":2.9,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11169909/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141306199","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}
In-Chang Hwang, Chee Hae Kim, Jae Young Kim, Jiesuck Park, Hye Jung Choi, Hong-Mi Choi, Yeonyee E Yoon, Goo-Yeong Cho
{"title":"Changes in Risk Factor Status and Risk of Future ASCVD Events in Primary Prevention.","authors":"In-Chang Hwang, Chee Hae Kim, Jae Young Kim, Jiesuck Park, Hye Jung Choi, Hong-Mi Choi, Yeonyee E Yoon, Goo-Yeong Cho","doi":"10.4070/kcj.2024.0020","DOIUrl":"10.4070/kcj.2024.0020","url":null,"abstract":"","PeriodicalId":17850,"journal":{"name":"Korean Circulation Journal","volume":" ","pages":"354-356"},"PeriodicalIF":2.9,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11169911/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141065786","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}