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Progress on application of exosomes on cardiovascular disease: A ten-year retrospective analysis 外泌体在心血管疾病中的应用进展:十年回顾分析
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-28 DOI: 10.1016/j.cpcardiol.2025.103211
Zichun Tang MD , Shuang Feng MD , Zongwei Xiao

Background

Exosomes, nanoscale extracellular vesicles (30–150 nm) carrying bioactive molecules (e.g., miRNAs, proteins), have emerged as pivotal mediators in cardiovascular diseases (CVDs), offering potential as diagnostic biomarkers and therapeutic vectors. Despite growing interest, a comprehensive analysis of global research trends, hotspots, and translational gaps in exosome applications for CVDs remains limited.

Methods

We conducted a ten-year (2016–2025) bibliometric analysis of 2617 publications from the Web of Science Core Collection, employing integrative tools (LDGAS and KMVS) to map research distribution, collaborations, and citation trends. Data was analyzed for contributions by country, institution, journal, and author, with a focus on mechanistic insights, clinical applications, and technological innovations.

Results

Global publications surged post-2016, with China leading in output (50 % of top institutions) and the USA/Europe dominating citation impact (e.g., Harvard Medical School: 7.83 citations/paper). Three key themes emerged: exosomal regulation of oxidative stress, inflammation, and angiogenesis; engineered exosomes (e.g., inflammation-targeting macrophage exosomes and stem cell-derived exosomes; circulating miRNAs (e.g., miR-21-5p in heart failure). Challenges include heterogeneous exosome isolation methods (<5 % studies reach preclinical trials) and imbalanced collaborations (China-USA partnerships dominated, 83 %).

Conclusions

Exosome research in CVDs demonstrates transformative potential but requires standardized protocols, diversified clinical trials, and strengthened global partnerships. Prioritizing AI-driven biomarker discovery and interdisciplinary synergy will accelerate clinical translation.
体是携带生物活性分子(如mirna、蛋白质)的纳米级细胞外囊泡(30 - 150nm),已成为心血管疾病(cvd)的关键介质,具有作为诊断生物标志物和治疗载体的潜力。尽管人们对外显体在心血管疾病中的应用越来越感兴趣,但对其全球研究趋势、热点和翻译差距的综合分析仍然有限。方法采用综合工具(LDGAS和KMVS)对Web of Science核心馆藏的2617篇论文进行了为期10年(2016-2025)的文献计量学分析,绘制了研究分布、合作和被引趋势。数据按国家、机构、期刊和作者进行分析,重点关注机制见解、临床应用和技术创新。结果2016年后,全球出版物数量激增,其中中国的产量领先(占顶级机构的50%),美国/欧洲的引用影响占主导地位(例如哈佛医学院:7.83次引用/篇)。出现了三个关键主题:氧化应激、炎症和血管生成的外泌体调节;工程化外泌体(如炎症靶向巨噬细胞外泌体和干细胞衍生外泌体);循环mirna(如心力衰竭中的miR-21-5p)。挑战包括异质外泌体分离方法(5%的研究进入临床前试验)和不平衡的合作(中美伙伴关系占主导地位,83%)。结论心血管疾病的染色体研究具有变革潜力,但需要标准化的方案、多样化的临床试验和加强全球伙伴关系。优先考虑人工智能驱动的生物标志物发现和跨学科协同将加速临床翻译。
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引用次数: 0
Information for Readers 读者资讯
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-28 DOI: 10.1016/S0146-2806(25)00243-9
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引用次数: 0
Mechanisms and targets of vascular natural aging from a systems biology perspective 从系统生物学的角度看血管自然衰老的机制和目标。
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-28 DOI: 10.1016/j.cpcardiol.2025.103233
Xinyu Ma , Shenghua Zhou , Qingyi Zhu

Background

Vascular aging is a fundamental biological process underlying many age-related cardiovascular diseases. Although traditional risk factors have been widely studied, vascular dysfunction progresses with aging even in individuals without classic risk factors. Current studies often focus on individual organs or single-cell types and pathways, resulting in limited understanding of the multidimensional mechanisms of vascular aging.

Methods

We systematically retrieved “vascular aging” transcriptomic datasets from the Gene Expression Omnibus (GEO) database. Five datasets meeting strict inclusion criteria for physiological vascular aging were selected. Differentially expressed genes (DEGs) between young and aged groups were identified using linear modeling and batch correction. Functional enrichment analyses, including GO, KEGG, and GSEA, were performed to elucidate biological processes and signaling pathways. Protein–protein interaction (PPI) networks were constructed, hub genes identified using CytoHubba, and regulatory networks (miRNA, lncRNA, transcription factors) were analyzed. Potential drug–gene interactions were evaluated through enrichment and molecular docking.

Results

A total of 21 aging-related DEGs were identified, mainly enriched in biological processes related to immune regulation and cell cycle activity. Four hub genes—PPARG, IRF7, VCAN, and SDC1—were identified as central regulators. GSEA revealed activation of interferon signaling, inflammatory response, p53, and KRAS pathways in aged vasculature, while young vasculature was enriched in E2F, MYC, and oxidative phosphorylation pathways. Drug enrichment analysis indicated that Heparan sulfate exhibited strong binding potential to VCAN and may represent a promising anti-aging candidate.

Conclusions

This systems biology study reveals key molecular mechanisms and targets in natural vascular aging. VCAN and associated inflammatory and metabolic pathways may play pivotal roles in age-associated vascular dysfunction, providing a foundation for targeted anti-aging interventions and personalized medicine strategies.
背景:血管老化是许多与年龄相关的心血管疾病的基本生物学过程。尽管传统的危险因素已被广泛研究,但即使在没有经典危险因素的个体中,血管功能障碍也会随着年龄的增长而发展。目前的研究往往集中在单个器官或单细胞类型和途径上,导致对血管衰老的多维机制的理解有限。方法:我们系统地从Gene Expression Omnibus (GEO)数据库中检索“血管老化”转录组数据集。选择了5个符合严格的生理性血管老化纳入标准的数据集。通过线性建模和批量校正,确定了青年组和老年组之间的差异表达基因(DEGs)。功能富集分析,包括GO, KEGG和GSEA,用于阐明生物过程和信号通路。构建蛋白-蛋白相互作用(PPI)网络,利用CytoHubba鉴定枢纽基因,分析调控网络(miRNA、lncRNA、转录因子)。通过富集和分子对接评估潜在的药物-基因相互作用。结果:共鉴定出21个与衰老相关的deg,主要富集于与免疫调节和细胞周期活性相关的生物过程。四个枢纽基因- pparg, IRF7, VCAN和sdc1 -被确定为中心调控因子。GSEA发现,老年血管中干扰素信号通路、炎症反应通路、p53和KRAS通路被激活,而年轻血管中则富含E2F、MYC和氧化磷酸化通路。药物富集分析表明,硫酸肝素与VCAN具有较强的结合潜力,可能是一种有前景的抗衰老候选药物。结论:本系统生物学研究揭示了自然血管老化的关键分子机制和靶点。VCAN及其相关的炎症和代谢途径可能在年龄相关的血管功能障碍中发挥关键作用,为有针对性的抗衰老干预和个性化医疗策略提供基础。
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引用次数: 0
Effects of concurrent training on atrial fibrillation burden, fitness and physical activity after pulmonary vein isolation: Study protocol for a randomized controlled trial 并发训练对肺静脉隔离后房颤负担、健康和身体活动的影响:一项随机对照试验的研究方案
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-27 DOI: 10.1016/j.cpcardiol.2025.103218
Marcos Echevarría-Polo MSc , Adrián Hernández-Vicente PhD , Pablo Vadillo-Martín MD,MSc , Fabian Sanchis-Gomar MD, PhD , Jorge Melero-Polo MD , Mercedes Cabrera-Ramos MD , Isabel Montilla-Padilla MD , Andrea Rucco MSc , Juan Pablo Martínez PhD , Pablo Laguna PhD , Esther Pueyo PhD , Javier Ramos-Maqueda MD, PhD , Nuria Garatachea PhD

Background

Pulmonary vein isolation (PVI) is an effective treatment for atrial fibrillation (AF), but many patients remain inactive after the procedure for fear of AF recurrence. Evidence supports moderate exercise to improve outcomes of this procedure; however, there are no clear guidelines for returning to physical exercise after PVI. We aim to evaluate the effects of a combined endurance and resistance training (CT) intervention on cardiac function, physical fitness, activity levels, body composition, quality of life, and AF burden after PVI.

Methods and results

We will conduct a randomized controlled trial with 68 participants, approximately 15 months after PVI, randomized 1:1 to a CT or control group. The CT program consists of supervised training sessions combining moderate-intensity endurance and resistance work three times a week for 12 weeks. Outcomes will be assessed at three time points: at baseline, after the intervention, and after 12 weeks of follow-up, including echocardiographic and electrocardiographic parameters, fitness tests, physical activity monitoring, body composition, health-related quality of life, and AF burden monitored by an implantable cardiac Holter. We expect that CT intervention will improve cardiac function, increase physical fitness and activity levels, optimize body composition, and improve quality of life without recurrence of AF.

Conclusions

This protocol is the first to examine the effects of return to exercise training in AF patients after PVI using objective monitoring tools. The simplicity and scalability of the intervention support its safe integration into clinical practice to promote physical activity and improve patient outcomes after PVI.
背景:肺静脉隔离(PVI)是房颤(AF)的有效治疗方法,但由于担心房颤复发,许多患者在手术后仍不活动。有证据支持适度运动可改善手术结果;然而,对于PVI后恢复体育锻炼并没有明确的指导方针。我们的目的是评估联合耐力和阻力训练(CT)干预对PVI后心功能、身体健康、活动水平、身体成分、生活质量和房颤负担的影响。方法和结果:我们将对68名参与者进行随机对照试验,大约在PVI后15个月,随机1:1分配到CT组或对照组。CT项目包括有监督的训练课程,结合中等强度的耐力和阻力训练,每周三次,持续12周。结果将在三个时间点进行评估:基线时、干预后和随访12周后,包括超声心动图和心电图参数、体能测试、身体活动监测、身体组成、健康相关生活质量和由植入式心脏动态心电图监测的心房颤动负担。我们期望CT干预将改善心功能,增加体能和活动水平,优化身体成分,改善生活质量,而不会复发房颤。结论:本方案是第一个使用客观监测工具检查PVI后房颤患者恢复运动训练效果的方案。干预的简单性和可扩展性支持其安全整合到临床实践中,以促进PVI后的身体活动和改善患者的预后。
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引用次数: 0
Psychological health in a modified life’s Crucial 9 score: Association with all-cause mortality and comparison with LE8 改良生活中心理健康的关键9分:与全因死亡率的关系以及与LE8的比较
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-27 DOI: 10.1016/j.cpcardiol.2025.103219
Felipe Diaz-Toro PhD , Víctor Pedrero PhD , Gabriela Nazar PhD , Daniel Reyes-Molina PhD , Yeny Concha-Cisternas PhD , Fabian Lanuza PhD , Carlos Celis-Morales PhD , Fanny Petermann-Rocha PhD

Background

The inclusion of Psychological Health in the Life’s Essential 8 (LE8) may improve its predictive validity and contribute to a more equitable assessment of mortality by better accounting for this crucial component. Therefore, this study aimed i) to assess the longitudinal association between a modified version of Life’s Crucial 9 (LC9) score and all-cause mortality in the Chilean population and ii) to examine whether adding psychological health to the original LE8 framework might enhance its predictive ability.

Method

We included 3,546 participants aged ≥15 from the Chilean National Health Survey 2016–2017. Mortality was ascertained through linkage with the Chilean Civil Registry and Identification. A modified version of the LC9 score was created and divided into quartiles. The modified version was calculated from nine health and behavioral components, incorporating a Psychological Health variable (composite of depression and social integration). The association between LC9 and all-cause mortality was examined using crude Kaplan-Meier survival curves and Cox proportional hazard models adjusted for sociodemographic and lifestyle factors. Non-linear associations were explored using restricted cubic splines. Predictive performance of LC9 was further compared with LE8 using model fit criteria (AIC, BIC) and discrimination measures (C-statistics, ROC-AUC).

Findings

Over a median follow-up of 5 years, 169 participants (4.8 %) died from any cause. Survival curves showed lower survival probabilities among individuals in the lowest LC9 quartile than to those in higher quartiles (log-rank <0.001). Compared with participants in Q1, those in Q4 had a 49 % lower risk of all-cause mortality after full adjustment for confounders (HR: 0.51; 95 % CI: 0.31–0.82). When comparing indices, LC9 (C-statistics= 0.854 (95 % CI: 0.842-0.866) provided marginally better model fit than LE8 (C-statistics= 0.851 (95 % CI: 0.839-0.864), but their overall predictive performance for mortality was similar.

Interpretation

Higher LC9 scores were associated with lower all-cause mortality. The incorporation of Psychological Health measures may slightly improve the prediction of the models.
背景:将心理健康纳入生命基本8 (LE8)可能会提高其预测有效性,并通过更好地考虑这一关键组成部分,有助于更公平地评估死亡率。因此,本研究的目的是:1)评估修改版的生命关键9 (LC9)评分与智利人口全因死亡率之间的纵向关联;2)检验在原始的LE8框架中加入心理健康是否会增强其预测能力。方法:我们纳入了智利2016-2017年国家健康调查中年龄≥15岁的3546名参与者。死亡率是通过与智利民事登记和身份识别联系确定的。创建了一个修改版本的LC9评分,并将其分为四分位数。修改后的版本是根据9个健康和行为组成部分计算出来的,其中包括一个心理健康变量(抑郁和社会融合的组合)。LC9与全因死亡率之间的关系采用粗糙的Kaplan-Meier生存曲线和Cox比例风险模型进行检验,该模型调整了社会人口统计学和生活方式因素。利用受限三次样条探索非线性关联。采用模型拟合标准(AIC, BIC)和判别措施(C-statistics, ROC-AUC)进一步比较LC9与LE8的预测性能。结果:在中位5年的随访中,169名参与者(4.8%)死于任何原因。生存曲线显示LC9最低四分位数个体的生存概率低于高四分位数个体(log-rank解释:LC9得分越高,全因死亡率越低)。心理健康测量的纳入可能会略微改善模型的预测。
{"title":"Psychological health in a modified life’s Crucial 9 score: Association with all-cause mortality and comparison with LE8","authors":"Felipe Diaz-Toro PhD ,&nbsp;Víctor Pedrero PhD ,&nbsp;Gabriela Nazar PhD ,&nbsp;Daniel Reyes-Molina PhD ,&nbsp;Yeny Concha-Cisternas PhD ,&nbsp;Fabian Lanuza PhD ,&nbsp;Carlos Celis-Morales PhD ,&nbsp;Fanny Petermann-Rocha PhD","doi":"10.1016/j.cpcardiol.2025.103219","DOIUrl":"10.1016/j.cpcardiol.2025.103219","url":null,"abstract":"<div><h3>Background</h3><div>The inclusion of Psychological Health in the Life’s Essential 8 (LE8) may improve its predictive validity and contribute to a more equitable assessment of mortality by better accounting for this crucial component. Therefore, this study aimed i) to assess the longitudinal association between a modified version of Life’s Crucial 9 (LC9) score and all-cause mortality in the Chilean population and ii) to examine whether adding psychological health to the original LE8 framework might enhance its predictive ability.</div></div><div><h3>Method</h3><div>We included 3,546 participants aged ≥15 from the Chilean National Health Survey 2016–2017. Mortality was ascertained through linkage with the Chilean Civil Registry and Identification. A modified version of the LC9 score was created and divided into quartiles. The modified version was calculated from nine health and behavioral components, incorporating a Psychological Health variable (composite of depression and social integration). The association between LC9 and all-cause mortality was examined using crude Kaplan-Meier survival curves and Cox proportional hazard models adjusted for sociodemographic and lifestyle factors. Non-linear associations were explored using restricted cubic splines. Predictive performance of LC9 was further compared with LE8 using model fit criteria (AIC, BIC) and discrimination measures (C-statistics, ROC-AUC).</div></div><div><h3>Findings</h3><div>Over a median follow-up of 5 years, 169 participants (4.8 %) died from any cause. Survival curves showed lower survival probabilities among individuals in the lowest LC9 quartile than to those in higher quartiles (log-rank &lt;0.001). Compared with participants in Q1, those in Q4 had a 49 % lower risk of all-cause mortality after full adjustment for confounders (HR: 0.51; 95 % CI: 0.31–0.82). When comparing indices, LC9 (C-statistics= 0.854 (95 % CI: 0.842-0.866) provided marginally better model fit than LE8 (C-statistics= 0.851 (95 % CI: 0.839-0.864), but their overall predictive performance for mortality was similar.</div></div><div><h3>Interpretation</h3><div>Higher LC9 scores were associated with lower all-cause mortality. The incorporation of Psychological Health measures may slightly improve the prediction of the models.</div></div>","PeriodicalId":51006,"journal":{"name":"Current Problems in Cardiology","volume":"51 3","pages":"Article 103219"},"PeriodicalIF":3.3,"publicationDate":"2025-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145642433","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}
引用次数: 0
Emerging risk factors for stroke and bleeding in patients with atrial fibrillation and heart failure–a narrative review 心房颤动和心力衰竭患者卒中和出血的新危险因素-叙述性综述。
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-27 DOI: 10.1016/j.cpcardiol.2025.103231
Jan Zabierowski , Bartosz Hudzik , Jolanta Nowak , Mariusz Gąsior
Atrial fibrillation (AF) and heart failure (HF) frequently coexist, which leads to adverse clinical outcomes and a significant increase in the risk of both ischemic stroke and major bleeding. Although still valuable due to their widespread adoption, traditional risk scores (e.g. CHA2DS2-VASc, HAS-BLED) may not adequately capture group-specific differences in the context of substantial therapeutic and demographic changes that have occurred in recent years. This review summarizes emerging risk factors for stroke and bleeding, focusing on clinical and structural markers, and highlighting the novel biomarker-based approach. Factors such as chronic kidney disease, poor nutritional status, metabolic-associated fatty liver disease, frailty, and polypharmacy appear to substantially modify the risk. Biomarkers, including natriuretic peptides, high-sensitivity cardiac troponins, and growth differentiation factor-15, along with various markers of inflammation and hypercoagulability, provide valuable prognostic information. Incorporating echocardiographic measures, such as left atrial size, morphology, and appendage flow, together with electrocardiographic factors, including AF type and episode duration, may further refine stroke and bleeding prediction. New risk models, such as those based on novel biomarker strategies and machine learning, offer promising results in predicting stroke and bleeding when compared to traditional and well-validated risk scores. A better understanding and integration of these emerging risk factors can enhance existing risk stratification tools, guiding clinicians toward a more individualized decision-making process, while improving strategies for preventing stroke and major bleeding in this specific and vulnerable population.
心房颤动(AF)和心力衰竭(HF)经常共存,导致不良的临床结果,并显著增加缺血性卒中和大出血的风险。尽管传统的风险评分(如CHA2DS2-VASc, HAS-BLED)由于被广泛采用而仍然有价值,但在近年来发生的实质性治疗和人口变化的背景下,可能无法充分捕捉群体特异性差异。本文综述了中风和出血的新危险因素,重点关注临床和结构标志物,并强调了基于生物标志物的新方法。慢性肾病、营养状况不佳、代谢相关的脂肪肝、虚弱和多药等因素似乎大大改变了这种风险。生物标志物,包括利钠肽、高敏感性心肌肌钙蛋白和生长分化因子-15,以及各种炎症和高凝性标志物,提供了有价值的预后信息。结合超声心动图测量,如左心房大小、形态和附件流量,以及心电图因素,包括房颤类型和发作持续时间,可以进一步完善脑卒中和出血预测。与传统的、经过充分验证的风险评分相比,新的风险模型,如基于新型生物标志物策略和机器学习的风险模型,在预测中风和出血方面提供了有希望的结果。更好地理解和整合这些新出现的危险因素可以增强现有的风险分层工具,指导临床医生制定更个性化的决策过程,同时改进预防这一特定和脆弱人群中风和大出血的策略。
{"title":"Emerging risk factors for stroke and bleeding in patients with atrial fibrillation and heart failure–a narrative review","authors":"Jan Zabierowski ,&nbsp;Bartosz Hudzik ,&nbsp;Jolanta Nowak ,&nbsp;Mariusz Gąsior","doi":"10.1016/j.cpcardiol.2025.103231","DOIUrl":"10.1016/j.cpcardiol.2025.103231","url":null,"abstract":"<div><div>Atrial fibrillation (AF) and heart failure (HF) frequently coexist, which leads to adverse clinical outcomes and a significant increase in the risk of both ischemic stroke and major bleeding. Although still valuable due to their widespread adoption, traditional risk scores (e.g. CHA<sub>2</sub>DS<sub>2</sub>-VASc, HAS-BLED) may not adequately capture group-specific differences in the context of substantial therapeutic and demographic changes that have occurred in recent years. This review summarizes emerging risk factors for stroke and bleeding, focusing on clinical and structural markers, and highlighting the novel biomarker-based approach. Factors such as chronic kidney disease, poor nutritional status, metabolic-associated fatty liver disease, frailty, and polypharmacy appear to substantially modify the risk. Biomarkers, including natriuretic peptides, high-sensitivity cardiac troponins, and growth differentiation factor-15, along with various markers of inflammation and hypercoagulability, provide valuable prognostic information. Incorporating echocardiographic measures, such as left atrial size, morphology, and appendage flow, together with electrocardiographic factors, including AF type and episode duration, may further refine stroke and bleeding prediction. New risk models, such as those based on novel biomarker strategies and machine learning, offer promising results in predicting stroke and bleeding when compared to traditional and well-validated risk scores. A better understanding and integration of these emerging risk factors can enhance existing risk stratification tools, guiding clinicians toward a more individualized decision-making process, while improving strategies for preventing stroke and major bleeding in this specific and vulnerable population.</div></div>","PeriodicalId":51006,"journal":{"name":"Current Problems in Cardiology","volume":"51 3","pages":"Article 103231"},"PeriodicalIF":3.3,"publicationDate":"2025-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145642339","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}
引用次数: 0
Left atrial volume measured by Cardiac CT as an independent predictor of atrial fibrillation recurrence following catheter ablation 心脏CT测量左房容积作为导管消融后房颤复发的独立预测因子
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-25 DOI: 10.1016/j.cpcardiol.2025.103220
Sebastian Tonso , Flavia Saccomani , Benjamin Castaño , Santiago Del Castillo , María Eugenia Amrein , Gonzalo Fernandez Villar , Gustavo Maid , Diego Perez de Arenaza , Mariano Falconi , Rodolfo Pizarro

Background

Atrial fibrillation (AF) is the most common sustained arrhythmia worldwide and is associated with increased risk of stroke, heart failure, and dementia. Catheter ablation is an established treatment, particularly effective in patients with symptomatic paroxysmal AF. However, recurrence rates remain high (30–50 %) and are influenced by factors including AF type, left atrial (LA) volume, comorbidities, and procedural expertise. This study aimed to evaluate the association between LA volume measured by cardiac computed tomography (CT) and AF recurrence.

Methods

We conducted a retrospective observational study including patients who underwent AF ablation and prior cardiac CT for pulmonary vein mapping between 2018 and 2021 at a high-complexity center in Buenos Aires, Argentina. Patients with prior ablation, follow-up <12 months, or missing CT were excluded. LA volume was measured automatically excluding the appendage and pulmonary veins, and indexed to body surface area. Recurrence beyond the 3-month blanking period was assessed. Patients were categorized into tertiles based on LA volume. Kaplan-Meier survival and Cox regression analyses were performed.

Results

A total of 145 patients were included (mean age 60.2 ± 11.3 years; 24.8 % women; 53.7 % with hypertension). AF was paroxysmal in 66.2 %. Mean LA volume was significantly higher in the recurrence group (142.8 ± 42.5 mL vs. 112.7 ± 29.2 mL; p < 0.001). Recurrence occurred in 26.5 %, 46 %, and 71.7 % across increasing volume tertiles. LA volume in the upper tertile was independently associated with recurrence (HR 1.83; 95 % CI 1.05–3.2; p = 0.03).

Conclusions

CT-derived LA volume was independently associated with AF recurrence following catheter ablation.
房颤(AF)是世界范围内最常见的持续性心律失常,与卒中、心力衰竭和痴呆的风险增加有关。导管消融是一种成熟的治疗方法,对有症状的阵发性房颤患者尤其有效。然而,复发率仍然很高(30 - 50%),并受房颤类型、左房(LA)容积、合并症和手术经验等因素的影响。本研究旨在评估心脏计算机断层扫描(CT)测量的左心室容积与房颤复发之间的关系。方法:我们在阿根廷布宜诺斯艾利斯的一个高复杂性中心进行了一项回顾性观察研究,包括2018年至2021年间接受房颤消融和既往心脏CT肺静脉测绘的患者。排除既往有消融术、随访12个月或CT缺失的患者。自动测量LA容积,排除附属物和肺静脉,并以体表面积为指标。评估3个月后的复发情况。根据LA容积对患者进行分类。Kaplan-Meier生存分析和Cox回归分析。结果共纳入145例患者(平均年龄60.2±11.3岁,女性占24.8%,高血压占53.7%)。66.2%为阵发性房颤。复发组平均LA容积显著高于复发组(142.8±42.5 mL vs 112.7±29.2 mL; p < 0.001)。复发率分别为26.5%、46%和71.7%。上tile的LA体积与复发率独立相关(HR 1.83; 95% CI 1.05-3.2; p = 0.03)。结论sct衍生的LA体积与导管消融后房颤复发独立相关。
{"title":"Left atrial volume measured by Cardiac CT as an independent predictor of atrial fibrillation recurrence following catheter ablation","authors":"Sebastian Tonso ,&nbsp;Flavia Saccomani ,&nbsp;Benjamin Castaño ,&nbsp;Santiago Del Castillo ,&nbsp;María Eugenia Amrein ,&nbsp;Gonzalo Fernandez Villar ,&nbsp;Gustavo Maid ,&nbsp;Diego Perez de Arenaza ,&nbsp;Mariano Falconi ,&nbsp;Rodolfo Pizarro","doi":"10.1016/j.cpcardiol.2025.103220","DOIUrl":"10.1016/j.cpcardiol.2025.103220","url":null,"abstract":"<div><h3>Background</h3><div>Atrial fibrillation (AF) is the most common sustained arrhythmia worldwide and is associated with increased risk of stroke, heart failure, and dementia. Catheter ablation is an established treatment, particularly effective in patients with symptomatic paroxysmal AF. However, recurrence rates remain high (30–50 %) and are influenced by factors including AF type, left atrial (LA) volume, comorbidities, and procedural expertise. This study aimed to evaluate the association between LA volume measured by cardiac computed tomography (CT) and AF recurrence.</div></div><div><h3>Methods</h3><div>We conducted a retrospective observational study including patients who underwent AF ablation and prior cardiac CT for pulmonary vein mapping between 2018 and 2021 at a high-complexity center in Buenos Aires, Argentina. Patients with prior ablation, follow-up &lt;12 months, or missing CT were excluded. LA volume was measured automatically excluding the appendage and pulmonary veins, and indexed to body surface area. Recurrence beyond the 3-month blanking period was assessed. Patients were categorized into tertiles based on LA volume. Kaplan-Meier survival and Cox regression analyses were performed.</div></div><div><h3>Results</h3><div>A total of 145 patients were included (mean age 60.2 ± 11.3 years; 24.8 % women; 53.7 % with hypertension). AF was paroxysmal in 66.2 %. Mean LA volume was significantly higher in the recurrence group (142.8 ± 42.5 mL vs. 112.7 ± 29.2 mL; <em>p</em> &lt; 0.001). Recurrence occurred in 26.5 %, 46 %, and 71.7 % across increasing volume tertiles. LA volume in the upper tertile was independently associated with recurrence (HR 1.83; 95 % CI 1.05–3.2; <em>p</em> = 0.03).</div></div><div><h3>Conclusions</h3><div>CT-derived LA volume was independently associated with AF recurrence following catheter ablation.</div></div>","PeriodicalId":51006,"journal":{"name":"Current Problems in Cardiology","volume":"51 2","pages":"Article 103220"},"PeriodicalIF":3.3,"publicationDate":"2025-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145618348","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}
引用次数: 0
Assessing outcomes in a cardiac sarcoid cohort with implantable loop recorders - a tertiary United Kingdom study 使用可植入环路记录仪评估心脏肉瘤队列的结果——英国的一项第三期研究
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-25 DOI: 10.1016/j.cpcardiol.2025.103217
Mansimran Singh Dulay MRCP (UK) , Raheel Ahmed MRCP PhD , Vasilis Kouranos MRCP PhD , Rakesh Sharma MRCP (UK) PhD

Introduction

Cardiac sarcoidosis (CS) entails the inflammatory cardiac involvement of systemic sarcoid. Development of myocardial fibrosis can cause sustained ventricular arrhythmia (sVA), alongside high grade atrioventricular (hgAVB). In those patients who do not meet current international guidelines for implantable cardiac devices, implantable loop recorders (ILR) could be a feasible long term monitoring option. With only one current study in the literature, we sought to retrospectively assess outcomes in CS patients who underwent ILR insertion at Royal Brompton Hospital (RBH), the largest tertiary CS centre in the United Kingdom.

Methods

CS patients who underwent ILR insertion between 2014 and 2024 at RBH were identified. Only patients with multidisciplinary team meeting (MDT) diagnoses were included. Outcome measures assessed for included need for new implantable cardiac device, non-sustained ventricular tachycardia (NSVT), sVA, hgAVB, newly inserted ICD/CRT-D shock, all-cause-mortality and heart failure hospitalisation.

Results

A total of 47 patients were identified with a median follow up of 2.79 years. There were 10 patients (21%) who sustained an adverse event, with 9 (19%) undergoing a new cardiac device implantation, 5 (11%) demonstrating NSVT, 5 (11%) demonstrating hgAVB and sVA noted in 4 (8.5%) patients. Those patients who sustained an event were compared with patients who did not; overall, only hypertension was significantly more prevalent in the event positive group.

Conclusion

In conclusion, this study has demonstrated that ILR insertion may be a useful long term surveillance tool in those CS patients who do not meet conventional device insertion criteria. Larger studies are prudent to clarify our findings.
心脏结节病(CS)是一种累及全身结节的炎症性心脏疾病。心肌纤维化的发展可导致持续性室性心律失常(sVA),并伴有高级别房室性心律失常(hgAVB)。对于那些不符合目前国际植入式心脏装置指南的患者,植入式环路记录仪(ILR)可能是一种可行的长期监测选择。目前文献中只有一项研究,我们试图回顾性评估在英国最大的三级CS中心皇家布朗普顿医院(RBH)接受ILR植入的CS患者的结果。方法选取2014年至2024年间在RBH接受ILR植入的sc患者。仅纳入多学科小组会议(MDT)诊断的患者。评估的结局指标包括需要新的植入式心脏装置、非持续性室性心动过速(NSVT)、sVA、hgAVB、新插入ICD/CRT-D休克、全因死亡率和心力衰竭住院。结果共发现47例患者,中位随访2.79年。有10名患者(21%)出现不良事件,其中9名(19%)接受了新的心脏装置植入,5名(11%)出现了非svt, 5名(11%)出现了hgAVB, 4名(8.5%)患者出现了sVA。将持续发生事件的患者与没有发生事件的患者进行比较;总的来说,只有高血压在事件阳性组中更为普遍。总之,本研究表明,对于那些不符合常规装置插入标准的CS患者,ILR插入可能是一种有用的长期监测工具。更大规模的研究是谨慎的,以澄清我们的发现。
{"title":"Assessing outcomes in a cardiac sarcoid cohort with implantable loop recorders - a tertiary United Kingdom study","authors":"Mansimran Singh Dulay MRCP (UK) ,&nbsp;Raheel Ahmed MRCP PhD ,&nbsp;Vasilis Kouranos MRCP PhD ,&nbsp;Rakesh Sharma MRCP (UK) PhD","doi":"10.1016/j.cpcardiol.2025.103217","DOIUrl":"10.1016/j.cpcardiol.2025.103217","url":null,"abstract":"<div><h3>Introduction</h3><div>Cardiac sarcoidosis (CS) entails the inflammatory cardiac involvement of systemic sarcoid. Development of myocardial fibrosis can cause sustained ventricular arrhythmia (sVA), alongside high grade atrioventricular (hgAVB). In those patients who do not meet current international guidelines for implantable cardiac devices, implantable loop recorders (ILR) could be a feasible long term monitoring option. With only one current study in the literature, we sought to retrospectively assess outcomes in CS patients who underwent ILR insertion at Royal Brompton Hospital (RBH), the largest tertiary CS centre in the United Kingdom.</div></div><div><h3>Methods</h3><div>CS patients who underwent ILR insertion between 2014 and 2024 at RBH were identified. Only patients with multidisciplinary team meeting (MDT) diagnoses were included. Outcome measures assessed for included need for new implantable cardiac device, non-sustained ventricular tachycardia (NSVT), sVA, hgAVB, newly inserted ICD/CRT-D shock, all-cause-mortality and heart failure hospitalisation.</div></div><div><h3>Results</h3><div>A total of 47 patients were identified with a median follow up of 2.79 years. There were 10 patients (21%) who sustained an adverse event, with 9 (19%) undergoing a new cardiac device implantation, 5 (11%) demonstrating NSVT, 5 (11%) demonstrating hgAVB and sVA noted in 4 (8.5%) patients. Those patients who sustained an event were compared with patients who did not; overall, only hypertension was significantly more prevalent in the event positive group.</div></div><div><h3>Conclusion</h3><div>In conclusion, this study has demonstrated that ILR insertion may be a useful long term surveillance tool in those CS patients who do not meet conventional device insertion criteria. Larger studies are prudent to clarify our findings.</div></div>","PeriodicalId":51006,"journal":{"name":"Current Problems in Cardiology","volume":"51 2","pages":"Article 103217"},"PeriodicalIF":3.3,"publicationDate":"2025-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145618349","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}
引用次数: 0
External validation of a predictive model for diagnosing transthyretin cardiac amyloidosis in suspected cases 在疑似病例中诊断转甲状腺素型心脏淀粉样变预测模型的外部验证
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-25 DOI: 10.1016/j.cpcardiol.2025.103216
Marcelina Carretero , Santiago Decotto , Gabriela Pieklo , Erika B. Brulc , María Adela Aguirre , María Lourdes Posadas-Martínez
{"title":"External validation of a predictive model for diagnosing transthyretin cardiac amyloidosis in suspected cases","authors":"Marcelina Carretero ,&nbsp;Santiago Decotto ,&nbsp;Gabriela Pieklo ,&nbsp;Erika B. Brulc ,&nbsp;María Adela Aguirre ,&nbsp;María Lourdes Posadas-Martínez","doi":"10.1016/j.cpcardiol.2025.103216","DOIUrl":"10.1016/j.cpcardiol.2025.103216","url":null,"abstract":"","PeriodicalId":51006,"journal":{"name":"Current Problems in Cardiology","volume":"51 2","pages":"Article 103216"},"PeriodicalIF":3.3,"publicationDate":"2025-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145618361","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}
引用次数: 0
Twiddler-, Reel-, and Ratchet-syndrome: an alternative approach to address the underlying mechanism of complication in cardiac implantable electronic devices 旋转,卷轴和棘轮综合征:解决心脏植入式电子装置并发症的潜在机制的另一种方法
IF 3.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2025-11-24 DOI: 10.1016/j.cpcardiol.2025.103214
Christian Stadlbauer , Andrea Stadlbauer , Sigrid Wiesner , Ekrem Ücer , Carsten Jungbauer , Christof Schmid , Simon Schopka , Andreas Keyser
The circumstances leading to the origins of "Twiddler", "Reel", and "Ratchet" in patients with cardiac implantable electronic devices (CIED) have not yet been fully determined. This retrospective study was performed to address different mechanisms that lead to impairment of implanted leads within the context of "Twiddler", "Reel", and "Ratchet".
From 2004 and 2023, 5966 patients underwent CIED procedures at our institution. 31 patients with lead impairment by rotation were identified with evidence of pulse generator mobility, lead dislodgement with retraction and / or associated coiling of the lead(s) radiographically or intraoperatively. A review of the literature from 1963 to 2024 identified 216 cases from 165 publications.
In less than half of our patients lead retraction could be attested, and a minority of patients had clinical symptoms attributable to lead impairment by rotation. Psychiatric comorbidities and patients´ manipulation could not be ascertained.
Thorough follow-up of all patients with CIEDs appears mandatory. Precise implantation techniques from the outset may limit lead impairment by rotation.
导致心脏植入式电子装置(CIED)患者产生“Twiddler”、“Reel”和“Ratchet”的情况尚未完全确定。本回顾性研究旨在探讨在“Twiddler”、“Reel”和“Ratchet”的背景下导致植入导线损伤的不同机制。从2004年到2023年,5966名患者在我院接受了CIED手术。31例因旋转导致的铅损伤患者在影像学或术中发现了脉冲发生器移动、铅脱位伴牵回和/或相关的铅卷曲的证据。对1963年至2024年的文献进行了回顾,从165份出版物中确定了216例病例。在我们的患者中,只有不到一半的患者可以证实铅回缩,少数患者有可归因于旋转导致的铅损伤的临床症状。精神合并症和患者的操作无法确定。对所有cied患者进行彻底的随访是必须的。从一开始就采用精确的植入技术可以限制旋转导致的铅损伤。
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Current Problems in Cardiology
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