{"title":"Predictors of Optical Coherence Tomography-Defined Calcified Nodules in Patients With Acute Coronary Syndrome - A Substudy From the TACTICS Registry.","authors":"Tomoyo Sugiyama, Tsunekazu Kakuta, Masahiro Hoshino, Masahiro Hada, Taishi Yonetsu, Eisuke Usui, Yoshihiro Hanyu, Tatsuhiro Nagamine, Kai Nogami, Hiroki Ueno, Kazuki Matsuda, Kodai Sayama, Tatsuya Sakamoto, Nobuaki Kobayashi, Masamichi Takano, Seita Kondo, Kohei Wakabayashi, Satoru Suwa, Tomotaka Dohi, Hiroyoshi Mori, Shigeki Kimura, Satoru Mitomo, Sunao Nakamura, Takumi Higuma, Junichi Yamaguchi, Makoto Natsumeda, Yuji Ikari, Jun Yamashita, Takehiko Sambe, Sakiko Yasuhara, Takuya Mizukami, Myong Hwa Yamamoto, Tetsuo Sasano, Toshiro Shinke","doi":"10.1253/circj.CJ-24-0111","DOIUrl":"10.1253/circj.CJ-24-0111","url":null,"abstract":"<p><strong>Background: </strong>Recent studies suggest that the presence of calcified nodules (CN) is associated with worse prognosis in patients with acute coronary syndrome (ACS). We investigated clinical predictors of optical coherence tomography (OCT)-defined CN in ACS patients in a prospective multicenter registry.</p><p><strong>Methods and results: </strong>We investigated 695 patients enrolled in the TACTICS registry who underwent OCT assessment of the culprit lesion during primary percutaneous coronary intervention. OCT-CN was defined as calcific nodules erupting into the lumen with disruption of the fibrous cap and an underlying calcified plate. Compared with patients without OCT-CN, patients with OCT-CN (n=28) were older (mean [±SD] age 75.0±11.3 vs. 65.7±12.7 years; P<0.001), had a higher prevalence of diabetes (50.0% vs. 29.4%; P=0.034), hemodialysis (21.4% vs. 1.6%; P<0.001), and Killip Class III/IV heart failure (21.4% vs. 5.7%; P=0.003), and a higher preprocedural SYNTAX score (median [interquartile range] score 15 [11-25] vs. 11 [7-19]; P=0.003). On multivariable analysis, age (odds ratio [OR] 1.072; P<0.001), hemodialysis (OR 16.571; P<0.001), and Killip Class III/IV (OR 4.466; P=0.004) were significantly associated with the presence of OCT-CN. In non-dialysis patients (n=678), age (OR 1.081; P<0.001), diabetes (OR 3.046; P=0.014), and Killip Class III/IV (OR 4.414; P=0.009) were significantly associated with the presence of OCT-CN.</p><p><strong>Conclusions: </strong>The TACTICS registry shows that OCT-CN is associated with lesion severity and poor clinical background, which may worsen prognosis.</p>","PeriodicalId":50691,"journal":{"name":"Circulation Journal","volume":" ","pages":"1853-1861"},"PeriodicalIF":3.1,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141460509","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":"Impact of 12-Month Angioscopic Thrombi and Yellow Plaque After Drug-Eluting Stent Implantation.","authors":"Masami Nishino, Yasuyuki Egami, Hiroaki Nohara, Shodai Kawanami, Kohei Ukita, Akito Kawamura, Koji Yasumoto, Naotaka Okamoto, Yasuharu Matsunaga-Lee, Masamichi Yano, Tatsuya Shiraki, Daisuke Nakamura, Isamu Mizote, Takayuki Ishihara, Toshiaki Mano, Takafumi Ueno, Daisaku Nakatani, Shungo Hikoso, Shinsuke Nanto, Yasushi Sakata","doi":"10.1253/circj.CJ-24-0255","DOIUrl":"10.1253/circj.CJ-24-0255","url":null,"abstract":"<p><strong>Background: </strong>Coronary angioscopy (CAS) has 2 unique abilities: direct visualization of thrombi and plaque color. However, in the recent drug-eluting stent (DES) era, serial CAS findings after DES implantation have not been fully elucidated. We investigated the impact of CAS findings after implantation of a polymer-free biolimus A9-coated stent (PF-BCS) or durable polymer everolimus-eluting stent (DP-EES).</p><p><strong>Methods and results: </strong>We investigated serial CAS and optical coherence tomography (OCT) findings at 1 and 12 months in 99 patients who underwent PF-BCS or DP-EES implantation. We evaluated factors correlated with angioscopic thrombi and yellow plaque, and the clinical impact of both thrombi and yellow plaque at 12 months (BTY). The BTY group included 17 (22%) patients. The incidence and grade of thrombi and yellow plaque decreased from 1 to 12 months. Although no patients had newly appearing thrombi at 12 months, 2 DP-EES patients had newly appearing yellow plaque at 12 months. Multivariable analysis revealed HbA1c, minimum stent area, and adequate strut coverage were significant factors correlated with 12-month angioscopic thrombi, and DP-EESs were significantly correlated with 12-month yellow plaque. However, BTY was not correlated with clinical events.</p><p><strong>Conclusions: </strong>The management of diabetes, stent area, and adequate stent coverage are important for intrastent thrombogenicity and polymer-free stents are useful for stabilizing plaque vulnerability.</p>","PeriodicalId":50691,"journal":{"name":"Circulation Journal","volume":" ","pages":"1758-1767"},"PeriodicalIF":3.1,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141581450","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":"Enhanced Plaque Stabilization Effects of Alirocumab - Insights From Artificial Intelligence-Aided Optical Coherence Tomography Analysis of the Alirocumab for Thin-Cap Fibroatheroma in Patients With Coronary Artery Disease Estimated by Optical Coherence Tomography (ALTAIR) Study.","authors":"Tetsuya Yamamoto, Yoichiro Sugizaki, Hiroyuki Kawamori, Takayoshi Toba, Takashi Hiromasa, Satoru Sasaki, Hiroyuki Fujii, Tomoyo Hamana, Yuto Osumi, Seigo Iwane, Hiroshi Tsunamoto, Shota Naniwa, Yuki Sakamoto, Koshi Matsuhama, Yuta Fukuishi, Hiroya Okamoto, Kotaro Higuchi, Shengxian Tu, Ken-Ichi Hirata, Hiromasa Otake","doi":"10.1253/circj.CJ-24-0480","DOIUrl":"10.1253/circj.CJ-24-0480","url":null,"abstract":"<p><strong>Background: </strong>Proprotein convertase subtilisin/kexin type 9 inhibitors stabilize vulnerable plaque, reducing cardiovascular events. However, manual optical coherence tomography (OCT) analysis of drug efficacy is challenging because of signal attenuation within lipid plaques.</p><p><strong>Methods and results: </strong>Twenty-four patients with thin-cap fibroatheroma were prospectively enrolled and randomized to receive alirocumab (75 mg every 2 weeks) plus rosuvastatin (10 mg/day) or rosuvastatin (10 mg/day) alone. OCT images at baseline and 36 weeks were analyzed manually and with artificial intelligence (AI)-aided software. AI-aided OCT analysis showed significantly greater percentage changes in the alirocumab+rosuvastatin vs. rosuvastatin-alone group in fibrous cap thickness (FCT; median [interquartile range] 212.3% [140.5-253.5%] vs. 88.6% [63.0-119.6%]; P=0.006) and lipid volume (median [interquartile range] -30.8% [-51.8%, -16.6%] vs. -2.1% [-21.6%, 4.3%]; P=0.015). Interobserver reproducibility for changes in minimum FCT and lipid index was relatively low for manual analysis (interobserver intraclass correlation coefficient [ICC] 0.780 and 0.499, respectively), but high for AI-aided analysis (interobserver ICC 0.999 and 1.000, respectively). Agreements between manual and AI-aided OCT analyses of FCT and the lipid index were acceptable (concordance correlation coefficients 0.859 and 0.833, respectively).</p><p><strong>Conclusions: </strong>AI-aided OCT analysis objectively showed greater plaque stabilization of adding alirocumab to rosuvastatin. Our results highlight the benefits of a fully automated AI-assisted approach for assessing drug efficacy, offering greater objectivity in evaluating serial changes in plaque stability vs. conventional OCT assessment.</p>","PeriodicalId":50691,"journal":{"name":"Circulation Journal","volume":" ","pages":"1809-1818"},"PeriodicalIF":3.1,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142309001","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":"Long-Term Effects of Proton Pump Inhibitors in Patients Undergoing Percutaneous Coronary Intervention in High-Risk Subgroups.","authors":"Ko Yamamoto, Erika Yamamoto, Takeshi Morimoto, Hiroki Shiomi, Takenori Domei, Ryoji Taniguchi, Hiroshi Sakai, Mamoru Toyofuku, Shuichiro Kaji, Ryuzo Nawada, Takafumi Yokomatsu, Satoru Suwa, Yutaka Furukawa, Kazushige Kadota, Kenji Ando, Takeshi Kimura","doi":"10.1253/circj.CJ-24-0371","DOIUrl":"10.1253/circj.CJ-24-0371","url":null,"abstract":"<p><strong>Background: </strong>Proton pump inhibitors (PPIs) reportedly reduce upper gastrointestinal bleeding (UGIB) in patients undergoing percutaneous coronary intervention (PCI). However, whether the benefits of PPIs differ in high-risk subgroups is unknown.</p><p><strong>Methods and results: </strong>Among 24,563 patients undergoing first PCI in the CREDO-Kyoto registry Cohort-2 and -3, we evaluated long-term effects of PPI for UGIB, defined as GUSTO moderate/severe bleeding, in several potential high-risk subgroups. In the study population, 45.6% of patients were prescribed PPIs. Over a median 5.6-year follow-up, PPIs were associated with lower adjusted risk of UGIB (hazard ratio [HR] 0.64; 95% confidence interval [CI] 0.50-0.80; P<0.001) and a non-significant but numerically lower risk of any gastrointestinal bleeding (HR 0.84; 95% CI 0.71-1.01; P=0.06). PPIs were not associated with a lower risk of GUSTO moderate/severe bleeding (HR 1.04; 95% CI 0.94-1.15; P=0.40) or a higher adjusted risk of myocardial infarction or ischemic stroke (HR 1.00; 95% CI 0.90-1.12; P=0.97), but were associated with higher adjusted mortality risk (HR 1.18; 95% CI 1.09-1.27; P<0.001). The effects of PPIs for UGIB, myocardial infarction or ischemic stroke, and all-cause death were consistent regardless of age, sex, acute coronary syndrome, high bleeding risk, oral anticoagulant use, and type of P2Y<sub>12</sub>inhibitor.</p><p><strong>Conclusions: </strong>PPIs were associated with a lower risk of UGIB and a neutral risk of ischemic events regardless of high-risk subgroup.</p>","PeriodicalId":50691,"journal":{"name":"Circulation Journal","volume":" ","pages":"1778-1787"},"PeriodicalIF":3.1,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141903490","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}
Circulation JournalPub Date : 2024-10-25Epub Date: 2024-07-31DOI: 10.1253/circj.CJ-24-0548
Yasunori Ueda
{"title":"Vulnerable and Disrupted Plaques Detected by Angioscopy as Yellow Plaque With or Without Thrombus.","authors":"Yasunori Ueda","doi":"10.1253/circj.CJ-24-0548","DOIUrl":"10.1253/circj.CJ-24-0548","url":null,"abstract":"","PeriodicalId":50691,"journal":{"name":"Circulation Journal","volume":" ","pages":"1768-1769"},"PeriodicalIF":3.1,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861497","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":"High Detectability of Prehospital 12-Lead Electrocardiogram in Diagnosing Spasm-Induced Acute Coronary Syndrome.","authors":"Jin Kirigaya, Yasushi Matsuzawa, Masami Kosuge, Takeru Abe, Noriaki Iwahashi, Kengo Terasaka, Hisaya Kondo, Kensuke Matsushita, Masaomi Gohbara, Kozo Okada, Masaaki Konishi, Toshiaki Ebina, Teruyasu Sugano, Kiyoshi Hibi","doi":"10.1253/circj.CJ-24-0485","DOIUrl":"10.1253/circj.CJ-24-0485","url":null,"abstract":"<p><strong>Background: </strong>The importance of prehospital (PH) electrocardiograms (ECG) recorded by emergency medical services (EMS) for diagnosing coronary artery spasm-induced acute coronary syndrome (CS-ACS) remains unclear.</p><p><strong>Methods and results: </strong>We enrolled 340 consecutive patients with ACS who were transported by EMS within 12 h of symptom onset. According to Japanese Circulation Society guidelines, CS-ACS (n=48) was diagnosed with or without a pharmacological provocation test (n=34 and n=14, respectively). Obstructive coronary artery-induced ACS (OC-ACS; n=292) was defined as ACS with a culprit lesion showing 99% stenosis or >75% stenosis with plaque rupture or thrombosis observed via angiographic and intravascular imaging. Ischemic ECG findings included ST-segment deviation (elevation or depression) and negative T and U waves. In CS-ACS, the prevalence of ST-segment deviation decreased significantly from PH-ECG to emergency room (ER) ECG (77.0% vs. 35.4%; P<0.001), as did the prevalence of overall ECG abnormalities (81.2% vs. 45.8%; P<0.001). Conversely, in OC-ACS, there was a similar prevalence on PH-ECG and ER-ECG of ST-segment deviations (94.8% vs. 92.8%, respectively; P=0.057) and abnormal ECG findings (96.9% vs. 95.2%, respectively; P=0.058). Patients with abnormal PH-ECG findings that disappeared upon arrival at hospital without ER-ECG or troponin abnormalities were more frequent in the CS-ACS than OC-ACS group (20.8% vs. 1.0%; P<0.001).</p><p><strong>Conclusions: </strong>PH-ECG is valuable for detecting abnormal ECG findings that disappear upon arrival at hospital in CS-ACS patients.</p>","PeriodicalId":50691,"journal":{"name":"Circulation Journal","volume":" ","pages":"1800-1808"},"PeriodicalIF":3.1,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142309002","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":"Regulatory Review of Robotic-Assisted Percutaneous Coronary Intervention in Japan.","authors":"Takeshi Shiba, Koichi Aizawa, Mami Ho, Kensuke Ishii","doi":"10.1253/circj.CJ-24-0474","DOIUrl":"10.1253/circj.CJ-24-0474","url":null,"abstract":"<p><p>The CorPath GRX system (Corindus) was approved in 2018, enabling the first robotic-assisted percutaneous coronary intervention (PCI) in Japan. The approval was based on the results of clinical studies from other countries conducted with the first-generation CorPath 200 system (Corindus). Considering no proven use of a remote control device for PCI in Japan, confirming the efficacy and safety of the CorPath GRX system in Japanese real-world clinical practice through a use-results survey was deemed necessary. One condition for approval was that necessary measures should be taken to ensure that the product is used by appropriate operators and facilities. These measures included the dissemination of guidelines for proper use developed in conjunction with related academic societies and the implementation of training courses. The survey results confirmed that the CorPath GRX system is effective and safe. However, some characteristics of the implementation procedure differed from those reported in clinical studies from other countries. This review demonstrates that collecting real-world data is useful for understanding product safety and efficacy, and for identifying issues for future product improvement.</p>","PeriodicalId":50691,"journal":{"name":"Circulation Journal","volume":" ","pages":"1737-1744"},"PeriodicalIF":3.1,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134329","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}