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Multimodal Intravascular Imaging of the Vulnerable Coronary Plaque. 易损冠状动脉斑块的多模式血管内成像
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-11-01 DOI: 10.1111/echo.70035
Andrea Milzi, Antonio Landi, Rosalia Dettori, Kathrin Burgmaier, Sebastian Reith, Mathias Burgmaier

Vulnerable coronary plaques are atherosclerotic lesions which, due to their specific phenotype, are prone to plaque rupture and to cause acute coronary syndromes, with subsequent relevant morbidity and mortality. Strategies to break the chain link between plaque vulnerability and adverse clinical events include optimized pharmacologic prevention and potentially also preemptive percutaneous coronary interventions (previously defined as "plaque sealing" or "plaque passivation"). Various morphologic features of the vulnerable plaques have been described, including aspects regarding the large necrotic lipid content, the thin fibrous cap, the presence and extent of the presence of calcifications with small size and calcification angle, and as well as the large macrophage infiltration within the plaque. The detection of these features of plaque vulnerability is possible with intravascular imaging modalities such as intravascular ultrasound (IVUS), near-infrared spectroscopy (NIRS), and optical coherence tomography (OCT). This review explores the peculiarities of these three imaging modalities for the detection of vulnerable coronary plaque features.

易损冠状动脉斑块是一种动脉粥样硬化病变,由于其特殊的表型,很容易发生斑块破裂并引发急性冠状动脉综合征,进而导致相关的发病率和死亡率。打破斑块易损性与不良临床事件之间连锁联系的策略包括优化药物预防,也可能包括先发制人的经皮冠状动脉介入治疗(以前定义为 "斑块封闭 "或 "斑块钝化")。人们已经描述了易损斑块的各种形态特征,包括坏死脂质含量大、纤维帽薄、存在钙化且钙化角度小、钙化程度大以及斑块内有大量巨噬细胞浸润等方面。血管内超声(IVUS)、近红外光谱(NIRS)和光学相干断层扫描(OCT)等血管内成像模式可检测斑块脆弱性的这些特征。本综述探讨了这三种成像模式在检测冠状动脉斑块易损性特征方面的特殊性。
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引用次数: 0
The Role of Cardiac Magnetic Resonance Imaging in Distinguishing the Athlete's Heart From Hypertrophic Cardiomyopathy–A Brief Literature Review 心脏磁共振成像在区分运动员心脏和肥厚型心肌病中的作用--文献综述。
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-30 DOI: 10.1111/echo.70021
Sanda Kolenda Zloić, Maja Hrabak-Paar

All structural and functional alterations the heart experiences due to intense sports training are collectively called the “athlete's heart” (AH). One of the main diagnostic dilemmas of today's sports cardiology is the so-called “gray zone”—the structural and functional overlap between the physiological adaptation of the AH and the pathological process of cardiomyopathy. The importance of accurate differentiation between these two entities cannot be highlighted enough—it is estimated that half of the cases of sudden cardiac death in young athletes aged 19–29 are caused by cardiomyopathies, primarily hypertrophic cardiomyopathy (HCM). In the last few years, cardiac magnetic resonance imaging (MRI) has positioned itself as the gold standard for diagnosing structural heart disease, emphasizing the role of the cardiac imaging expert. This brief literature review provides the cardiac MRI findings and techniques that aid in distinguishing the AH from the most common cardiomyopathy—HCM. We will discuss the contributions, as well as current challenges and limitations of each technique, hoping to assist imaging experts and clinicians in solving one of the biggest dilemmas of sports cardiology.

心脏在高强度运动训练中所经历的所有结构和功能改变统称为 "运动员心脏"(AH)。当今运动心脏病学的主要诊断难题之一是所谓的 "灰色地带"--AH 的生理适应与心肌病的病理过程之间在结构和功能上的重叠。据估计,19-29 岁年轻运动员的心脏性猝死病例中有一半是由心肌病引起的,主要是肥厚型心肌病(HCM)。在过去几年中,心脏磁共振成像(MRI)已被定位为诊断结构性心脏病的黄金标准,强调了心脏成像专家的作用。这篇简短的文献综述提供了有助于区分 AH 和最常见的心肌病 -HCM 的心脏磁共振成像结果和技术。我们将讨论每种技术的贡献以及目前面临的挑战和局限性,希望能帮助影像专家和临床医生解决运动心脏病学最大的难题之一。
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引用次数: 0
The Role of Three-Dimensional Echocardiography in Defining Right Atrial Size and Function in Pediatric Populations 三维超声心动图在确定小儿右心房大小和功能方面的作用。
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-30 DOI: 10.1111/echo.70019
Ilker Ufuk Sayici
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引用次数: 0
Early Right Heart Remodeling in Patients With Mitral Valve Prolapse 二尖瓣脱垂患者的早期右心重塑
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-30 DOI: 10.1111/echo.70017
Dario Donia, Kamil Stankowski, Federica Testerini, Martina Ruffo, Lorenzo Cambini, Silvana Di Maio, Riccardo Mantovani, Carlo A. Pivato, Carlo M. Dellino, Giulio G. Stefanini, Renato Maria Bragato, Gianluigi Condorelli, Stefano Figliozzi

Purpose

Mitral valve prolapse (MVP) has been associated with left heart remodeling. This study explored cardiac remodeling in patients with MVP without significant regurgitation, focusing on the right heart.

Methods

This single-center study enrolled consecutive patients referred to trans-thoracic-echocardiography (TTE) with MVP, excluding those with significant regurgitation or known cardiovascular or pulmonary diseases. A group of healthy controls was included.

Results

Forty-nine patients with MVP and 54 controls were finally selected (mean age of 62, 52–71; 52% males), and echocardiographic parameters were compared among groups. Twenty-nine (41%) patients with MVP showed tricuspid valve prolapse (TVP). Patients with MVP, irrespective of TVP, showed greater tricuspid annulus (systolic annulus: 31±6 vs. 32±5 vs. 27±3 mm for MVP+/TVP, MVP+/TVP+, and controls, respectively; all p < 0.01) and greater minimum right atrial volume indexed (13, 12–15 mL/m2 vs. 15, 12–20 mL/m2 vs. 11, 10–14 mL/m2; all p < 0.05). Right ventricular dimensions and systolic indexes did not differ among groups, except TAPSE, which was significantly greater in MVP+/TVP+ patients compared to controls (25±4 vs. 22±3 mm, p = 0.004). A significant correlation (ρ = 0.43; p < 0.001) and an independent association at multivariate analysis (ß = 0.28; 95% CI 0.09–0.47; p = 0.004) were observed between end-systolic tricuspid diameter and TAPSE.

Conclusion

In patients with MVP with less-than-moderate mitral or tricuspid regurgitation, dilation of the right atrium and tricuspid annulus was found. The latter finding was associated with increased values of TAPSE, which should then be used with caution, while other indexes may be preferred when assessing the systolic function of these patients.

目的:二尖瓣脱垂(MVP)与左心重塑有关。本研究探讨了无明显反流的二尖瓣脱垂患者的心脏重塑情况,重点关注右心:这项单中心研究招募了连续接受经胸超声心动图(TTE)检查的 MVP 患者,排除了有明显反流或已知心血管或肺部疾病的患者。结果:最终选出 49 名 MVP 患者和 54 名对照组患者(平均年龄 62 岁,52-71 岁;52% 为男性),并比较了各组的超声心动图参数。29 名 MVP 患者(41%)显示三尖瓣脱垂(TVP)。MVP 患者,无论 TVP 与否,三尖瓣环均较大(MVP+/TVP-、MVP+/TVP+ 和对照组的收缩期三尖瓣环分别为 31±6 vs. 32±5 vs. 27±3 mm;均 p <0.01),右心房最小容积指数较大(13、12-15 mL/m2 vs. 15、12-20 mL/m2 vs. 11、10-14 mL/m2;均 p <0.05)。除 TAPSE 外,各组间的右心室尺寸和收缩指数没有差异,MVP+/TVP+ 患者的 TAPSE 明显高于对照组(25±4 mm vs. 22±3 mm,P = 0.004)。收缩末期三尖瓣直径与 TAPSE 之间存在明显的相关性(ρ = 0.43; p < 0.001),并且在多变量分析中存在独立的关联性(ß = 0.28; 95% CI 0.09-0.47; p = 0.004):结论:在二尖瓣或三尖瓣反流不严重的 MVP 患者中,发现右心房和三尖瓣环扩张。结论:在二尖瓣或三尖瓣反流不太严重的 MVP 患者中,发现右心房和三尖瓣环扩张,后一发现与 TAPSE 值升高有关,因此在评估这些患者的收缩功能时,应谨慎使用 TAPSE,而首选其他指标。
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引用次数: 0
Echocardiographic Screening Model for Improved Assessment of Atrial Septal Defect Closure: A Multicenter Retrospective Study 超声心动图筛查模型用于改进心房间隔缺损闭合的评估:一项多中心回顾性研究
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-29 DOI: 10.1111/echo.70023
Hezhi Li, Zehan Huang, Gangcheng Zhang, Qunshan Shen, Hongwen Fei, Dongling Luo, Ziyang Yang, Bin Zhang, Caojin Zhang

Background

Atrial septal defect (ASD) is a prevalent congenital heart condition in adults, which finally leads to pulmonary hypertension and right heart failure if left untreated. Right heart catheterization (RHC), the current gold standard for determining ASD closure feasibility, is invasive. Thus, a noninvasive prescreening tool is urgently needed.

Methods and Results

In a multicenter, retrospective study, we assessed 924 ASD patients (2012–2022) to determine their suitability for ASD closure. Using LASSO regression, we identified predictors for a correctable shunt, enabling us to create the ASD model. The ASD model, comprising of estimated pulmonary artery systolic pressure (ePASP), peak velocity through the pulmonary valve (PV), peak E-wave velocity through the tricuspid valve (TVE), and right atrial longitudinal dimension (RA) by echocardiography, was constructed and exhibited favorable discriminative capability with an area under the curve (AUC) of 0.941 (95% CI: 0.920–0.961) in the derivation group. The model also demonstrated good calibration and discriminative abilities in the validation cohort. When juxtaposed with the earlier congenital heart disease (CHD) model, the newly developed ASD model demonstrated superior predictive capabilities for correctable shunt, supported by the net reclassification index (NRI) [0.063 (95% CI: 0.001–0.127, p = 0.047)] and integrated discrimination improvement (IDI) [0.023 (95% CI: 0.011–0.036, p < 0.001)].

Conclusion

In summary, our research advocates the ASD model as a superior tool for screening suitable ASD defect closure candidates.

背景:房间隔缺损(ASD)是成人中普遍存在的先天性心脏病,如不及时治疗,最终会导致肺动脉高压和右心衰竭。右心导管检查(RHC)是目前确定 ASD 封堵可行性的金标准,但具有创伤性。因此,迫切需要一种无创预检工具:在一项多中心回顾性研究中,我们评估了 924 例 ASD 患者(2012-2022 年),以确定他们是否适合 ASD 闭合。通过 LASSO 回归,我们确定了可纠正分流的预测因素,从而建立了 ASD 模型。ASD 模型由估计肺动脉收缩压 (ePASP)、通过肺动脉瓣的峰值速度 (PV)、通过三尖瓣的 E 波峰值速度 (TVE) 和超声心动图显示的右心房纵向尺寸 (RA) 组成,在推导组中显示出良好的判别能力,曲线下面积 (AUC) 为 0.941(95% CI:0.920-0.961)。该模型在验证组中也表现出良好的校准和判别能力。与早期的先天性心脏病(CHD)模型相比,新开发的 ASD 模型对可矫正分流的预测能力更强,净再分类指数(NRI)[0.063(95% CI:0.001-0.127,p = 0.047)]和综合分辨改进指数(IDI)[0.023(95% CI:0.011-0.036,p 结论:新开发的 ASD 模型对可矫正分流的预测能力更强:总之,我们的研究主张将 ASD 模型作为筛选合适的 ASD 缺损闭合候选者的卓越工具。
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引用次数: 0
Three-Dimensional Speckle Tracking Echocardiography Assessment of Right Ventricular Function in Chronic Coronary Syndrome Patients After Percutaneous Coronary Intervention 经皮冠状动脉介入治疗后慢性冠状动脉综合征患者右心室功能的三维斑点追踪超声心动图评估
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-29 DOI: 10.1111/echo.70020
WenShu Hu, Chang Zhou, Heng Sun

Objective

This study aimed to assess alterations in right ventricular (RV) function following percutaneous coronary intervention (PCI) in patients with chronic coronary syndromes utilizing three-dimensional speckle tracking echocardiography (3D-STE).

Methods

A prospective study was conducted involving 136 patients diagnosed with chronic coronary syndromes undergoing PCI, constituting the study group, alongside 110 age- and gender-matched healthy volunteers serving as the control group. Echocardiographic evaluations, including both conventional and three-dimensional assessments, were performed on all study participants at 1-week, 6, and 12 months post-PCI. Parameters such as tricuspid annular plane systolic excursion (TAPSE) were derived from conventional echocardiography, while tricuspid lateral annular systolic velocity (S') was measured via tissue Doppler imaging. 3D-STE was utilized to quantify metrics including right ventricular fractional area change (RVFAC), right ventricular free wall longitudinal strain (RVFWLS), right ventricular global longitudinal strain (RVGLS), right ventricular stroke volume (RVSV), and right ventricular ejection fraction (RVEF).

Results

TAPSE, S', RVFAC, RVFWLS, RVGLS, RVSV, and RVEF exhibited significant increases from 1-week to 6 months post-PCI (p < 0.05). However, from 6 to 12 months post-PCI, RVFAC, RVGLS, RVSV, and RVEF demonstrated no notable changes (p > 0.05). Meanwhile, TAPSE, S', and RVFWLS sustained significant elevations: TAPSE (19.63 ± 3.253% to 22.603 ± 2.885%, p < 0.001); S' (10.57 ± 2.643 to 12.61 ± 2.189 cm/s, p < 0.001); RVFWLS (18.64 ± 2.745% to 19.926 ± 3.291%, p = 0.002). At 12 months post-PCI, S', RVFAC, RVGLS, RVSV, and RVEF remained lower than those of the healthy control group, but the differences were not statistically significant (p > 0.05). However, RVFWLS was significantly lower compared to the healthy control group (19.926 ± 3.291% vs. 22.10 ± 1.994%, p < 0.001).

Conclusion

Following PCI, right ventricular systolic function in patients with chronic coronary syndromes improves significantly over time. However, even at the 12-month post-PCI mark, RVFWLS remains lower than that of the control group. Notably, 3D-STE emerges as a noninvasive method for quantifying right ventricular systolic function post-PCI in chronic coronary syndrome patients.

研究目的本研究旨在利用三维斑点追踪超声心动图(3D-STE)评估慢性冠状动脉综合征患者经皮冠状动脉介入治疗(PCI)后右心室(RV)功能的变化:研究人员进行了一项前瞻性研究,136 名确诊为慢性冠状动脉综合征的患者接受了经皮冠状动脉介入治疗(PCI),构成研究组,110 名年龄和性别匹配的健康志愿者作为对照组。所有研究对象均在PCI术后1周、6个月和12个月时接受了超声心动图评估,包括常规和三维评估。三尖瓣瓣环平面收缩偏移(TAPSE)等参数来自常规超声心动图,而三尖瓣侧瓣环收缩速度(S')则是通过组织多普勒成像测量的。三维超声心动图用于量化指标,包括右心室分区面积变化(RVFAC)、右心室游离壁纵向应变(RVFWLS)、右心室整体纵向应变(RVGLS)、右心室搏出量(RVSV)和右心室射血分数(RVEF):PCI术后1周至6个月期间,TAPSE、S'、RVFAC、RVFWLS、RVGLS、RVSV和RVEF均显著增加(P < 0.05)。然而,PCI 术后 6 至 12 个月,RVFAC、RVGLS、RVSV 和 RVEF 没有发生明显变化(P > 0.05)。同时,TAPSE、S'和 RVFWLS 持续显著升高:TAPSE(19.63 ± 3.253% 至 22.603 ± 2.885%,p < 0.001);S'(10.57 ± 2.643 至 12.61 ± 2.189 cm/s,p < 0.001);RVFWLS(18.64 ± 2.745% 至 19.926 ± 3.291%,p = 0.002)。PCI术后12个月,S'、RVFAC、RVGLS、RVSV和RVEF仍低于健康对照组,但差异无统计学意义(P > 0.05)。然而,与健康对照组相比,RVFWLS明显降低(19.926 ± 3.291% vs. 22.10 ± 1.994%,P < 0.001):结论:PCI术后,慢性冠状动脉综合征患者的右心室收缩功能随着时间的推移会明显改善。然而,即使在PCI术后12个月,RVFWLS仍低于对照组。值得注意的是,3D-STE 已成为一种量化慢性冠状动脉综合征患者PCI 后右心室收缩功能的无创方法。
{"title":"Three-Dimensional Speckle Tracking Echocardiography Assessment of Right Ventricular Function in Chronic Coronary Syndrome Patients After Percutaneous Coronary Intervention","authors":"WenShu Hu,&nbsp;Chang Zhou,&nbsp;Heng Sun","doi":"10.1111/echo.70020","DOIUrl":"10.1111/echo.70020","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>This study aimed to assess alterations in right ventricular (RV) function following percutaneous coronary intervention (PCI) in patients with chronic coronary syndromes utilizing three-dimensional speckle tracking echocardiography (3D-STE).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A prospective study was conducted involving 136 patients diagnosed with chronic coronary syndromes undergoing PCI, constituting the study group, alongside 110 age- and gender-matched healthy volunteers serving as the control group. Echocardiographic evaluations, including both conventional and three-dimensional assessments, were performed on all study participants at 1-week, 6, and 12 months post-PCI. Parameters such as tricuspid annular plane systolic excursion (TAPSE) were derived from conventional echocardiography, while tricuspid lateral annular systolic velocity (S') was measured via tissue Doppler imaging. 3D-STE was utilized to quantify metrics including right ventricular fractional area change (RVFAC), right ventricular free wall longitudinal strain (RVFWLS), right ventricular global longitudinal strain (RVGLS), right ventricular stroke volume (RVSV), and right ventricular ejection fraction (RVEF).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>TAPSE, S', RVFAC, RVFWLS, RVGLS, RVSV, and RVEF exhibited significant increases from 1-week to 6 months post-PCI (<i>p</i> &lt; 0.05). However, from 6 to 12 months post-PCI, RVFAC, RVGLS, RVSV, and RVEF demonstrated no notable changes (<i>p</i> &gt; 0.05). Meanwhile, TAPSE, S', and RVFWLS sustained significant elevations: TAPSE (19.63 ± 3.253% to 22.603 ± 2.885%, <i>p</i> &lt; 0.001); S' (10.57 ± 2.643 to 12.61 ± 2.189 cm/s, <i>p</i> &lt; 0.001); RVFWLS (18.64 ± 2.745% to 19.926 ± 3.291%, <i>p</i> = 0.002). At 12 months post-PCI, S', RVFAC, RVGLS, RVSV, and RVEF remained lower than those of the healthy control group, but the differences were not statistically significant (<i>p</i> &gt; 0.05). However, RVFWLS was significantly lower compared to the healthy control group (19.926 ± 3.291% vs. 22.10 ± 1.994%, <i>p</i> &lt; 0.001).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Following PCI, right ventricular systolic function in patients with chronic coronary syndromes improves significantly over time. However, even at the 12-month post-PCI mark, RVFWLS remains lower than that of the control group. Notably, 3D-STE emerges as a noninvasive method for quantifying right ventricular systolic function post-PCI in chronic coronary syndrome patients.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50558,"journal":{"name":"Echocardiography-A Journal of Cardiovascular Ultrasound and Allied Techniques","volume":"41 11","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142523510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Magnetic Resonance Myocardial Imaging in Patients With Implantable Cardiac Devices: Challenges, Techniques, and Clinical Applications 植入式心脏设备患者的磁共振心肌成像:挑战、技术和临床应用》。
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-29 DOI: 10.1111/echo.70012
Pauline Gut, Hubert Cochet, Matthias Stuber, Aurélien Bustin

Cardiovascular magnetic resonance imaging (MRI) in patients with cardiac implants, such as pacemakers and defibrillators, has gained importance in recent years with the development of modern cardiac implantable electronic devices. The increasing clinical need to perform MRI examinations in patients with cardiac implants has driven the development of new advanced MRI sequences to mitigate image artifacts associated with cardiac implants. More specifically, advances in imaging techniques, such as wideband late gadolinium enhancement imaging, wideband T1 mapping, and wideband perfusion, have been designed to improve image quality and examinations in patients with cardiac implants, enabling a comprehensive and more reliable diagnosis, which was previously unattainable in these patients. This review article explores recent developments and applications of wideband techniques in the field of cardiovascular MRI, offering insights into their transformative potential. Clinical applications of wideband cardiovascular MRI are highlighted, particularly in assessing myocardial viability, guiding ventricular tachycardia ablation, and characterizing myocardial tissue.

近年来,随着现代心脏植入式电子设备的发展,心脏植入物(如起搏器和除颤器)患者的心血管磁共振成像(MRI)变得越来越重要。对心脏植入物患者进行磁共振成像检查的临床需求日益增加,这推动了新的先进磁共振成像序列的开发,以减轻与心脏植入物相关的图像伪影。更具体地说,宽带晚期钆增强成像、宽带 T1 映射和宽带灌注等成像技术的进步旨在改善心脏植入物患者的图像质量和检查效果,从而实现更全面、更可靠的诊断,而这在以前是无法实现的。这篇综述文章探讨了宽带技术在心血管磁共振成像领域的最新发展和应用,深入剖析了宽带技术的变革潜力。文章重点介绍了宽带心血管磁共振成像的临床应用,尤其是在评估心肌活力、指导室性心动过速消融和描述心肌组织特征方面的应用。
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引用次数: 0
Presence of Apical Aneurysm and Its Impact on Left Ventricular Mechanics and Mechano-Energetic Coupling in Patients With Apical Hypertrophic Cardiomyopathy 心尖动脉瘤的存在及其对心尖肥厚型心肌病患者左心室力学和机能耦合的影响
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-26 DOI: 10.1111/echo.15938
Christos G. Mihos, Sarah A. Guigui, Sofia A. Horvath, Pranav Venkataraman, Rafle Fernandez, Tarec K. Elajami

Background

Left ventricular (LV) apical aneurysms (ApAn+) occur in 10%–15% of apical hypertrophic cardiomyopathy (ApHCM) patients and confer considerable morbidity. We hypothesized that ApAn+ adversely impact ventricular mechanics and mechano-energetic coupling in ApHCM.

Methods

Ninety-eight ApHCM patients were identified, of which nine (9%) had ApAn+ and were compared with 89 (91%) who did not (ApAn−). 2D speckle-tracking echocardiography assessed ventricular mechanics using LV global longitudinal strain (GLS) and torsion, and mechano-energetic coupling as myocardial work indices. Clinical events over follow-up were adjudicated.

Results

Mean age was 64 ± 15 years, 46% were female, and 3% had an HCM family history, with similar clinical risk factors between groups. Of the nine ApAn+ patients, there were six small (<2 cm) and three moderate-sized (2-4 cm) aneurysms. There was no difference in LV ejection fraction (65 ± 15 vs. 67 ± 11%, p = 0.51) or GLS (−9.6 ± 3.3 vs. −11.9 ± 3.9%, p = 0.09) between ApAn+ versus ApAn−. ApAn+ patients had greater myocardial global wasted work (347 ± 112 vs. 221 ± 165 mmHg%, p = 0.03) and lower global work efficiency (GWE, 75 ± 5 vs. 82 ± 8%, p = 0.006). LV GLS (β = −0.67, p < 0.001), ApAn+ (β = −0.15, p = 0.04), and twist rate (β = −0.14, p = 0.04) were independently associated with GWE. At 3.9-year follow-up, cardiovascular mortality (4%) and heart failure hospitalization (14%) events were similar between groups.

Conclusion

ApHCM patients with ApAn+ are characterized by more impaired LV mechano-energetic coupling when compared with ApAn−. ApAn+ is independently associated with worse GWE.

背景:10%-15%的心尖肥厚型心肌病(ApHCM)患者会出现左心室(LV)心尖动脉瘤(ApAn+),而且发病率相当高。我们假设 ApAn+ 会对 ApHCM 患者的心室力学和机械能耦合产生不利影响:确定了 98 例 ApHCM 患者,其中 9 例(9%)有 ApAn+,并与 89 例(91%)没有 ApAn+(ApAn-)的患者进行了比较。二维斑点追踪超声心动图使用左心室整体纵向应变(GLS)和扭转以及机械能耦合作为心肌功指数评估心室力学。结果:平均年龄为(64 ± 15)岁,46%为女性,3%有HCM家族史,各组间临床风险因素相似。在 9 名 ApAn+ 患者中,有 6 名小儿(结论:ApAn+ 的 ApHCM 患者中,有 3% 有 HCM 家族史:与 ApAn- 相比,ApAn+ 的 ApHCM 患者的特点是左心室机械能耦合受损更严重。ApAn+与更差的GWE独立相关。
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引用次数: 0
The Role of Global Longitudinal Strain in Predicting Left Ventricular Reverse Remodeling After Mitral Valve Replacement Surgery in Patients With Primary Mitral Regurgitation 整体纵向应变在预测原发性二尖瓣反流患者二尖瓣置换手术后左心室反向重塑中的作用
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-23 DOI: 10.1111/echo.15950
Liem Audi Natalino, Real Kusumanjaya Marsam, Lucia Kris Dinarti, Hasanah Mumpuni, Dyah Wulan Anggrahini

Objectives

This study aimed to identify the utility of global longitudinal strain (GLS) as a reliable parameter that can accurately forecast left ventricle reverse remodeling (LVRR) in patients undergoing valve replacement surgery for severe chronic primary mitral regurgitation (MR), thereby aiding in assessing mortality and morbidity risk.

Methods

This retrospective observational study involved severe primary MR patients who underwent valve replacement surgery between 2018 and 2023. Pre- and postsurgery echocardiography data were collected, with GLS measurements utilized to assess left ventricular function. Various echocardiography parameters, including MR severity and LV dimensions, were analyzed. Bivariate and multivariate analyses were performed to explore relationships between GLS and LVRR.

Results

This study enrolled 103 patients (54.4% male; mean age 45.4 ± 13.6 years). Statistical analyses revealed GLS to be an independent predictor of LVRR, with a threshold of −16.25% showing 89% sensitivity and 50% specificity. Each 1% increase in GLS corresponded to a 1.14-fold (odds ratio [OR]: 1.14; 95% confidence interval [CI]: 1.01–1.31; p < 0.05) increased likelihood of LVRR.

Conclusion

These findings highlight GLS's potential as a prognostic marker for postsurgical outcomes in severe MR patients.

研究目的本研究旨在确定全局纵向应变(GLS)作为一个可靠参数的实用性,该参数可准确预测因严重慢性原发性二尖瓣反流(MR)而接受瓣膜置换手术的患者的左心室反向重构(LVRR)情况,从而帮助评估死亡率和发病风险:这项回顾性观察研究涉及2018年至2023年期间接受瓣膜置换手术的严重原发性MR患者。收集了手术前和手术后的超声心动图数据,并利用 GLS 测量来评估左心室功能。分析了各种超声心动图参数,包括 MR 严重程度和左心室尺寸。进行双变量和多变量分析以探讨 GLS 和 LVRR 之间的关系:该研究共纳入 103 名患者(54.4% 为男性;平均年龄为 45.4 ± 13.6 岁)。统计分析显示,GLS 是 LVRR 的独立预测指标,阈值为 -16.25%,敏感性为 89%,特异性为 50%。GLS 每增加 1%,LVRR 就会增加 1.14 倍(几率比 [OR]:1.14;95% 置信区间 [CI]:1.01-1.31; p 结论:这些发现凸显了 GLS 作为严重 MR 患者手术后预后标志物的潜力。
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引用次数: 0
Artificial Intelligence, Virtual Reality, and the Metaverse in Cardiovascular Imaging: Tools for Transformation or Technological Overreach? 人工智能、虚拟现实和心血管成像中的 Metaverse:变革工具还是技术过度?
IF 1.6 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-23 DOI: 10.1111/echo.70015
Ioannis Skalidis, Georgios Tzimas, Panagiotis Antiochos, Gaspard Suc, Henri Lu, Adil Salihu, Stephane Fournier, Olivier Muller, Niccolo’ Maurizi, Dimitri Arangalage
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引用次数: 0
期刊
Echocardiography-A Journal of Cardiovascular Ultrasound and Allied Techniques
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