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Predicting early-stage coronary artery disease using machine learning and routine clinical biomarkers improved by augmented virtual data 利用机器学习和常规临床生物标记物预测早期冠状动脉疾病,并通过增强型虚拟数据加以改进
Pub Date : 2024-08-09 DOI: 10.1093/ehjdh/ztae049
Angela Koloi, Vasileios S. Loukas, Cillian Hourican, A. Sakellarios, Rick Quax, Pashupati P. Mishra, T. Lehtimäki, Olli T. Raitakari, C. Papaloukas, Jos A. Bosch, Winfried März, D. Fotiadis
Coronary artery disease (CAD) is a highly prevalent disease with modifiable risk factors. In patients with suspected obstructive CAD, evaluating the pre-test probability model is crucial for diagnosis, although its accuracy remains controversial. Machine learning (ML) predictive models can help clinicians detect CAD early and improve outcomes. This study aimed to identify early-stage CAD using ML in conjunction with a panel of clinical and laboratory tests. The study sample included 3316 patients enrolled in the Ludwigshafen Risk and Cardiovascular Health (LURIC) study. A comprehensive array of attributes was considered, and an ML pipeline was developed. Subsequently, we utilized five approaches to generating high-quality virtual patient data to improve the performance of the artificial intelligence models. An extension study was carried out using data from the Young Finns Study (YFS) to assess the results’ generalizability. Upon applying virtual augmented data, accuracy increased by approximately 5%, from 0.75 to –0.79 for random forests (RFs), and from 0.76 to –0.80 for Gradient Boosting (GB). Sensitivity showed a significant boost for RFs, rising by about 9.4% (0.81–0.89), while GB exhibited a 4.8% increase (0.83–0.87). Specificity showed a significant boost for RFs, rising by ∼24% (from 0.55 to 0.70), while GB exhibited a 37% increase (from 0.51 to 0.74). The extension analysis aligned with the initial study. Accurate predictions of angiographic CAD can be obtained using a set of routine laboratory markers, age, sex, and smoking status, holding the potential to limit the need for invasive diagnostic techniques. The extension analysis in the YFS demonstrated the potential of these findings in a younger population, and it confirmed applicability to atherosclerotic vascular disease. Using virtual population generation techniques, this study improved the accuracy of a machine learning model designed to identify early-stage CAD using standard laboratory tests.
冠状动脉疾病(CAD)是一种具有可改变风险因素的高发疾病。对于疑似阻塞性冠状动脉疾病患者,评估检测前概率模型对诊断至关重要,但其准确性仍存在争议。机器学习(ML)预测模型可以帮助临床医生及早发现 CAD 并改善预后。本研究旨在利用 ML 结合一系列临床和实验室检查来识别早期的 CAD。 研究样本包括参加路德维希港风险与心血管健康(LURIC)研究的 3316 名患者。我们考虑了一系列全面的属性,并开发了一个 ML 管道。随后,我们利用五种方法生成高质量的虚拟患者数据,以提高人工智能模型的性能。我们利用芬兰青年研究(YFS)的数据开展了一项扩展研究,以评估结果的可推广性。应用虚拟增强数据后,准确率提高了约 5%,随机森林(RF)的准确率从 0.75 提高到 -0.79,梯度提升(GB)的准确率从 0.76 提高到 -0.80。随机森林的灵敏度明显提高,提高了约 9.4%(0.81-0.89),而梯度提升法的灵敏度提高了 4.8%(0.83-0.87)。RFs的特异性明显提高,提高了24%(从0.55提高到0.70),而GB则提高了37%(从0.51提高到0.74)。扩展分析与最初的研究结果一致。 利用一组常规实验室指标、年龄、性别和吸烟状况就能准确预测血管造影 CAD,从而有可能限制对侵入性诊断技术的需求。在 YFS 中进行的扩展分析表明了这些研究结果在年轻人群中的应用潜力,并证实了其对动脉粥样硬化性血管疾病的适用性。 这项研究利用虚拟人群生成技术,提高了机器学习模型的准确性,该模型旨在利用标准实验室测试来识别早期的冠状动脉粥样硬化。
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引用次数: 0
Why Thorough Open Data Descriptions Matters More Than Ever in the Age of AI: Opportunities for Cardiovascular Research 为什么在人工智能时代,彻底的开放数据描述比以往任何时候都更重要:心血管研究的机遇
Pub Date : 2024-08-08 DOI: 10.1093/ehjdh/ztae061
Sandy Engelhardt
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引用次数: 0
Meet Key Digital Health thought leaders: Jagmeet (Jag) Singh 会见数字健康领域的主要思想领袖:贾格米特(贾格)-辛格
Pub Date : 2024-07-25 DOI: 10.1093/ehjdh/ztae054
Nico Bruining
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引用次数: 0
Machine learning-based prediction of 1-year all-cause mortality in patients undergoing CRT implantation: Validation of the SEMMELWEIS-CRT score in the European CRT Survey I dataset 基于机器学习预测接受 CRT 植入术患者的 1 年全因死亡率:欧洲 CRT 调查 I 数据集中的 SEMMELWEIS-CRT 评分验证
Pub Date : 2024-07-12 DOI: 10.1093/ehjdh/ztae051
M. Tokodi, A. Kosztin, Attila Kovács, László Gellér, W. Schwertner, B. Veres, A. Behon, Christiane Lober, Nigussie Bogale, Cecilia Linde, C. Normand, Kenneth Dickstein, B. Merkely
We aimed to externally validate the SEMMELWEIS-CRT score for predicting 1-year all-cause mortality in the European Cardiac Resynchronization Therapy (CRT) Survey I dataset – a large multi-center cohort of patients undergoing CRT implantation. The SEMMELWEIS-CRT score is a machine learning-based tool trained for predicting all-cause mortality in patients undergoing CRT implantation. This tool demonstrated impressive performance during internal validation but has not yet been validated externally. To this end, we applied it to the data of 1,367 patients from the European CRT Survey I dataset. The SEMMELWEIS-CRT predicted 1-year mortality with an area under the receiver operating characteristic curve (AUC) of 0.729 [0.682–0.776], which concurred with the performance measured during internal validation (AUC: 0.768 [0.674–0.861], p=0.466). Moreover, the SEMMELWEIS-CRT score outperformed multiple conventional statistics-based risk scores, and we demonstrated that a higher predicted probability is not only associated with a higher risk of death (odds ratio [OR]: 1.081 [1.061–1.101], p<0.001) but also with an increased risk of hospitalizations for any cause (OR: 1.013 [1.002–1.025], p=0.020) or for heart failure (OR: 1.033 [1.015–1.052], p<0.001), a less than 5% improvement in left ventricular ejection fraction (OR: 1.033 [1.021–1.047], p<0.001), and lack of improvement in NYHA functional class compared to baseline (OR: 1.018 [1.006–1.029], p=0.003). In the European CRT Survey I dataset, the SEMMELWEIS-CRT score predicted 1-year all-cause mortality with good discriminatory power, which confirms the generalizability and demonstrates the potential clinical utility of this machine learning-based risk stratification tool.
我们的目的是在欧洲心脏再同步化治疗(CRT)调查 I 数据集中对 SEMMELWEIS-CRT 评分进行外部验证,以预测接受 CRT 植入术的大型多中心患者队列中的 1 年全因死亡率。 SEMMELWEIS-CRT 评分是一种基于机器学习的工具,经过训练可预测接受 CRT 植入术患者的全因死亡率。该工具在内部验证中表现出令人印象深刻的性能,但尚未进行外部验证。为此,我们将其应用于欧洲 CRT 调查 I 数据集中的 1367 名患者的数据。SEMMELWEIS-CRT预测1年死亡率的接收器操作特征曲线下面积(AUC)为0.729 [0.682-0.776],这与内部验证时测得的结果一致(AUC:0.768 [0.674-0.861],P=0.466)。此外,SEMMELWEIS-CRT 评分的表现优于多种基于传统统计学的风险评分,而且我们证明,预测概率越高,不仅死亡风险越高(比值比 [OR]:1.081 [1.061-1.101],p<0.001),而且因任何原因住院的风险也越高(比值比 [OR]:1.081 [1.061-1.101],p<0.001)。013[1.002-1.025],p=0.020)或心力衰竭(OR:1.033[1.015-1.052],p<0.001)、左室射血分数改善不足 5%(OR:1.033[1.021-1.047],p<0.001)以及 NYHA 功能分级与基线相比缺乏改善(OR:1.018[1.006-1.029],p=0.003)。 在欧洲CRT调查I数据集中,SEMMELWEIS-CRT评分能预测1年全因死亡率,具有良好的鉴别力,这证实了这种基于机器学习的风险分层工具的普适性,并证明了其潜在的临床实用性。
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引用次数: 0
Effect of Urban Environment on Cardiovascular Health: A Feasibility Pilot Study using Machine Learning to Predict Heart Rate Variability in Heart Failure Patients 城市环境对心血管健康的影响:利用机器学习预测心衰患者心率变异性的可行性试点研究
Pub Date : 2024-07-12 DOI: 10.1093/ehjdh/ztae050
V. A. A. van Es, I. D. De Lathauwer, R. G. P. Lopata, A. D. A. M. Kemperman, R. P. van Dongen, R. W. M. Brouwers, M. Funk, H. Kemps
Urbanization is related to non-communicable diseases like congestive heart failure (CHF). Understanding the influence of diverse living environments on physiological variables such as heart rate variability (HRV) in patients with chronic cardiac disease may contribute to more effective lifestyle advice and telerehabilitation strategies. This study explores how machine learning (ML) models can predict HRV metrics, which measure autonomic nervous system (ANS) responses to environmental attributes in uncontrolled real-world settings. The goal is to validate if this approach can ascertain and quantify the connection between environmental attributes and cardiac autonomic response in CHF patients. 20 participants (10 healthy, 10 CHF) wore smartwatches for 3 weeks, recording activities, locations, and HR. Environmental attributes were extracted from Google Street view images. ML models were trained and tested on the data to predict HRV metrics. The models were evaluated using Spearman’s correlation, RMSE, prediction intervals, and Bland-Altman analysis. ML models predicted HRV metrics related to vagal activity well (R > 0.8 for HR; 0.8 > R > 0.5 for RMSSD and SD1; 0.5 > R > 0.4 for HF and LF/HF) induced by environmental attributes. However, they struggled with metrics related to overall autonomic activity, due to the complex balance between sympathetic and parasympathetic modulation. This study highlights the potential of ML-based models to discern vagal dynamics influenced by living environments in healthy individuals and patients diagnosed with CHF. Ultimately, this strategy could offer rehabilitation and tailored lifestyle advice, leading to improved prognosis and enhanced overall patient well-being in CHF.
城市化与充血性心力衰竭(CHF)等非传染性疾病有关。了解不同生活环境对慢性心脏病患者心率变异性(HRV)等生理变量的影响,有助于制定更有效的生活方式建议和远程康复策略。本研究探讨了机器学习(ML)模型如何预测心率变异指标,心率变异指标测量的是自律神经系统(ANS)在不受控制的真实世界环境中对环境属性的反应。目的是验证这种方法能否确定和量化环境属性与慢性阻塞性肺病患者心脏自主神经反应之间的联系。 20 名参与者(10 名健康人,10 名慢性阻塞性肺病患者)佩戴智能手表 3 周,记录活动、地点和心率。环境属性从谷歌街景图像中提取。对数据进行了 ML 模型训练和测试,以预测心率变异指标。使用斯皮尔曼相关性、均方根误差、预测间隔和布兰-阿尔特曼分析对模型进行了评估。 ML 模型很好地预测了环境因素诱发的与迷走神经活动相关的心率变异指标(心率的 R > 0.8;RMSSD 和 SD1 的 R > 0.5;HF 和 LF/HF 的 R > 0.4)。然而,由于交感神经和副交感神经调节之间的复杂平衡,他们在处理与整体自律神经活动相关的指标时遇到了困难。 这项研究强调了基于 ML 的模型在辨别健康人和确诊为慢性阻塞性肺疾病的患者受生活环境影响的迷走神经动态方面的潜力。最终,这种策略可以提供康复和量身定制的生活方式建议,从而改善预后并提高慢性阻塞性肺疾病患者的整体健康水平。
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引用次数: 0
Artificial Intelligence-based ECG Analysis Improves Atrial Arrhythmia Detection from a smartwatch ECG 基于人工智能的心电图分析改进了从智能手表心电图中检测房性心律失常的能力
Pub Date : 2024-07-06 DOI: 10.1093/ehjdh/ztae047
L. Fiorina, P. Chemaly, J. Cellier, Mina Ait Said, Charlène Coquard, S. Younsi, F. Salerno, Jérôme Horvilleur, Jérôme Lacotte, Vladimir Manenti, A. Plesse, C. Henry, B. Lefebvre
Smartwatch ECGs have been identified as a noninvasive solution to assess abnormal heart rhythm, especially atrial arrhythmias which are related to stroke risk. However, the performance of these tools is limited and could be improved with the use of Deep Neural Network algorithms, particularly for specific populations encountered in clinical cardiology practice. 400 patients from the electrophysiology department of one tertiary care hospital have been included in two similar clinical trials (respectively 200 patients per study). Simultaneous ECG were recorded with the watch and a 12-lead recording system during consultation or before and after an electrophysiology procedure if any. The smartwatch ECGs were processed by the deep neural network and by the Apple watch ECG software (Apple app). Corresponding 12-lead ECGs were adjudicated by an expert electrophysiologist. The performance of the deep neural network was assessed versus the expert interpretation of the 12-lead ECG and inconclusive rates reported. Overall, the deep neural network and the Apple app presented respectively a sensitivity of 91% (95% CI: 85–95%) and 61% (95% CI: 44–75%) with a specificity of 95% (95% CI: 91–97%) and 97% (95% CI: 93–99%) when compared to physician 12-lead ECG interpretation. The deep neural network was able to provide a diagnosis on 99% of ECGs while the Apple app was only able to classify 78% of strips (22% of inconclusive diagnosis). In this study, including patients from a cardiology department, a deep neural network-based algorithm applied to a smartwatch ECG provided an accurate diagnosis regarding atrial arrhythmia detection on virtually all tracings, outperforming the Smartwatch algorithm.
智能手表心电图已被确定为评估异常心律的无创解决方案,尤其是与中风风险相关的房性心律失常。然而,这些工具的性能有限,可以通过使用深度神经网络算法加以改进,特别是针对临床心脏病学实践中遇到的特定人群。 一家三级医院电生理学部门的 400 名患者被纳入两项类似的临床试验(每项研究分别有 200 名患者)。在就诊期间或进行电生理学手术前后,使用手表和 12 导联记录系统同时记录心电图。智能手表心电图由深度神经网络和苹果手表心电图软件(苹果应用程序)处理。相应的 12 导联心电图由一位电生理专家判定。深度神经网络的性能与专家对 12 导联心电图的判读进行了对比评估,并报告了不确定率。 总体而言,与医生的 12 导联心电图判读相比,深度神经网络和苹果应用程序的灵敏度分别为 91% (95% CI: 85-95%) 和 61% (95% CI: 44-75%),特异性分别为 95% (95% CI: 91-97%) 和 97% (95% CI: 93-99%)。深度神经网络能对 99% 的心电图做出诊断,而苹果应用只能对 78% 的条带进行分类(22% 的诊断不确定)。 在这项包括心脏病科患者在内的研究中,应用于智能手表心电图的基于深度神经网络的算法几乎对所有描记提供了有关房性心律失常检测的准确诊断,表现优于智能手表算法。
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引用次数: 0
Implantable cardiac monitors: the digital future of risk prediction? 植入式心脏监护仪:风险预测的数字化未来?
Pub Date : 2024-06-11 DOI: 10.1093/ehjdh/ztae036
A. Bauer, Clemens Dlaska
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引用次数: 0
Standardised assessment of evidence supporting the adoption of mobile health solutions: A Clinical Consensus Statement of the ESC Regulatory Affairs Committee 对支持采用移动医疗解决方案的证据进行标准化评估:ESC监管事务委员会临床共识声明
Pub Date : 2024-06-04 DOI: 10.1093/ehjdh/ztae042
E. Caiani, H. Kemps, P. Hoogendoorn, R. Asteggiano, A. Böhm, B. Borregaard, G. Boriani, H. Brunner la Rocca, R. Casado-Arroyo, S. Castelletti, R. Christodorescu, M. R. Cowie, P. Dendale, F. Dunn, A. G. Fraser, D A Lane, E. T. Locati, K. Malaczynska-Rajpold, C. Merșa, L. Neubeck, G. Parati, C. Plummer, G. Rosano, M. Scherrenberg, A. Smirthwaite, P. Szymański
Mobile health (mHealth) solutions have the potential to improve self-management and clinical care. For successful integration into routine clinical practice, healthcare professionals (HCPs) need accepted criteria helping the mHealth solutions’ selection, while patients require transparency to trust their use. Information about their evidence, safety and security may be hard to obtain and consensus is lacking on the level of required evidence. The new Medical Device Regulation is more stringent than its predecessor, yet its scope does not span all intended uses and several difficulties remain. The European Society of Cardiology Regulatory Affairs Committee set up a Task Force to explore existing assessment frameworks and clinical and cost-effectiveness evidence. This knowledge was used to propose criteria with which HCPs could evaluate mHealth solutions spanning diagnostic support, therapeutics, remote follow-up and education, specifically for cardiac rhythm management, heart failure and preventive cardiology. While curated national libraries of health apps may be helpful, their requirements and rigour in initial and follow-up assessments may vary significantly. The recently developed CEN-ISO/TS 82304-2 health app quality assessment framework has the potential to address this issue and to become a widely used and efficient tool to help drive decision-making internationally. The Task Force would like to stress the importance of co-development of solutions with relevant stakeholders, and maintenance of health information in apps to ensure these remain evidence-based and consistent with best practice. Several general and domain-specific criteria are advised to assist HCPs in their assessment of clinical evidence to provide informed advice to patients about mHealth utilisation.
移动医疗(mHealth)解决方案具有改善自我管理和临床护理的潜力。要想成功融入常规临床实践,医疗保健专业人员(HCPs)需要有公认的标准来帮助选择移动医疗解决方案,而患者则需要有透明度来信任其使用。有关其证据、安全性和保障性的信息可能难以获得,而且在所需证据的水平上也缺乏共识。新的《医疗器械管理条例》比其前身更加严格,但其适用范围并未涵盖所有预期用途,仍存在一些困难。欧洲心脏病学会监管事务委员会成立了一个特别工作组,探索现有的评估框架以及临床和成本效益证据。这些知识被用于提出标准,供保健医生评估移动医疗解决方案,包括诊断支持、治疗、远程随访和教育,特别是心律管理、心力衰竭和预防性心脏病学。虽然精心策划的国家健康应用程序库可能会有所帮助,但它们在初始和后续评估中的要求和严格程度可能会有很大差异。最近制定的 CEN-ISO/TS 82304-2 健康应用程序质量评估框架有可能解决这一问题,并成为国际上广泛使用的高效工具,帮助推动决策。特别工作组希望强调与相关利益方共同开发解决方案以及维护应用程序中健康信息的重要性,以确保这些应用程序始终以证据为基础并与最佳实践保持一致。建议采用几项通用标准和特定领域标准,以帮助保健医生评估临床证据,为患者提供有关移动医疗使用的明智建议。
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引用次数: 0
Artificial intelligence and transcatheter aortic valve implantation-induced conduction disturbances—adding insight beyond the human ‘I’ 人工智能与经导管主动脉瓣植入术诱发的传导障碍--超越人类 "我 "的洞察力
Pub Date : 2024-06-03 DOI: 10.1093/ehjdh/ztae040
P. Houthuizen, Peter P T de Jaegere
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引用次数: 0
Streamlining Atrial Fibrillation Ablation Management Using a Digitization Solution 利用数字化解决方案简化心房颤动消融管理
Pub Date : 2024-05-23 DOI: 10.1093/ehjdh/ztae041
Jim O’Brien, Sergio Valsecchi, Fionnuala Seaver, L. Rosalejos, Diana Arellano, Kristine Laurilla, G. Jauvert, Noel Fitzpatrick, T. Tahin, Ted Keelan, Joe Galvin, Gabor Szeplaki
Catheter ablation is a widely accepted intervention for atrial fibrillation (AF) management. Prior to undertaking this procedure, thorough patient education on its efficacy and potential complications is crucial. Additionally, educating patients about stroke risk management and anticoagulant therapy is imperative. At Mater Private Hospital in Dublin, we implemented a solution, integrating a customized treatment pathway and a mobile application. This patient-centered approach aims to optimize the clinical management of AF catheter ablation candidates, focusing on knowledge gaps and adherence to guideline-based care to enhance overall outcomes. The application automates pre-operative assessments and post-operative support, facilitating seamless patient-clinician communication. During the observation period (September 2022 to April 2023), 63 patients installed the app. Patient adherence to the pathway was strong, with 98% of patients actively engaging in the treatment pathway and with 81% completing all pre-operative tasks. The average enrollment-to-admission duration was 14 days, and post-ablation tasks were fulfilled by 62% of patients within an average of 36 days. Operators perceived the solution as user-friendly and effective in enhancing patient connectivity. Patient satisfaction was high, and knowledge about AF improved notably through the solution, particularly concerning the recognition of symptoms and anticoagulation therapy-related complications. Our findings demonstrates the successful implementation of the app-based Ablation Solution, showcasing widespread patient use, improved adherence, and enhanced understanding of AF and its treatments. The system effectively connects healthcare providers with patients, offering a promising approach to streamline AF catheter ablation management and improve patient outcomes.
导管消融是一种广为接受的心房颤动(房颤)治疗干预方法。在进行该手术之前,对患者进行有关其疗效和潜在并发症的全面教育至关重要。此外,对患者进行有关中风风险管理和抗凝治疗的教育也势在必行。 在都柏林的母校私立医院,我们实施了一项解决方案,将定制的治疗路径和移动应用程序整合在一起。这种以患者为中心的方法旨在优化房颤导管消融候选者的临床管理,重点关注知识差距和对基于指南的护理的遵守情况,以提高整体疗效。 该应用程序实现了术前评估和术后支持的自动化,促进了患者与医师之间的无缝沟通。在观察期间(2022 年 9 月至 2023 年 4 月),63 名患者安装了该应用程序。 患者对路径的依从性很高,98% 的患者积极参与治疗路径,81% 的患者完成了所有术前任务。从注册到入院的平均时间为 14 天,62% 的患者在平均 36 天内完成了消融术后任务。操作人员认为该解决方案用户界面友好,能有效提高患者的连接性。患者的满意度很高,对房颤的认识也通过该解决方案有了显著提高,尤其是在症状识别和抗凝治疗相关并发症方面。 我们的研究结果证明了基于应用程序的消融解决方案的成功实施,展示了患者的广泛使用、依从性的提高以及对房颤及其治疗的进一步了解。该系统有效地将医疗服务提供者与患者联系在一起,为简化房颤导管消融管理和改善患者预后提供了一种可行的方法。
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引用次数: 0
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European Heart Journal - Digital Health
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