Journal of the American Society of Echocardiography最新文献

英文中文

Evaluating Discrepancies in Mitral Valve Area and Pressure Gradient: Implications for Diagnosing Severe Mitral Stenosis Under the 2023 Revised American Society of Echocardiography Recommendations 评估二尖瓣面积和压力梯度的差异：根据 2023 年修订的美国超声心动图学会建议诊断严重二尖瓣狭窄的意义。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.06.015

引用次数: 0

Guidelines Reinforce Treatment Disparities for Patients with Aortic Stenosis 指南强化了主动脉瓣狭窄患者的治疗差异。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.07.002

引用次数: 0

Effectiveness of Negative Pressure Booths in Mitigating Airborne Infection Risk During Transesophageal Echocardiography 负压室在经食道超声心动图检查过程中降低空气传播感染风险的效果。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.07.005

引用次数: 0

The Areas and Gradients in Rheumatic Mitral Stenosis: A Tale of Highs and Lows 风湿性二尖瓣狭窄的面积和梯度：高低起伏的故事。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.09.004

Jin Kyung Kim MD, PhD , Anita Sadeghpour MD , Natesa G. Pandian MD

引用次数: 0

Evolution of Natural Myocardial Shear Wave Behavior in Young Hearts: Determinant Factors and Reproducibility Analysis 年轻心脏自然心肌剪切波行为的演变：决定因素和重现性分析。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.07.004

Ahmed S. Youssef MD , Aniela Petrescu MD, PhD , Thomas Salaets MD , Stéphanie Bézy MSc, PhD , Laurine Wouters MSc , Marta Orlowska MSc, PhD , Annette Caenen MSc, PhD , Jürgen Duchenne MSc, PhD , Alexis Puvrez MD , Bjorn Cools MD, PhD , Ruth Heying MD, PhD , Jan D’hooge MSc, PhD , Marc Gewillig MD, PhD , Jens-Uwe Voigt MD, PhD

Background

Myocardial diastolic function assessment in children by conventional echocardiography is challenging. High–frame rate echocardiography facilitates the assessment of myocardial stiffness, a key factor in diastolic function, by measuring the propagation velocities of myocardial shear waves (SWs). However, normal values of natural SWs in children are currently lacking. The aim of this study was to explore the behavior of natural SWs among children and adolescents, their reproducibility, and the factors affecting SW velocities from childhood into adulthood.

Methods

One hundred six healthy children (2-18 years of age) and 62 adults (19-80 years of age) were recruited. High–frame rate images were acquired using a modified commercial scanner. An anatomic M-mode line was drawn along the ventricular septum, and propagation velocities of natural SWs after mitral valve closure were measured in the tissue acceleration–coded M-mode display.

Results

Throughout life, SW velocities after mitral valve closure exhibited pronounced age dependency (r = 0.73; P < .001). Among the pediatric population, SW velocities correlated significantly with measures of cardiac geometry (septal thickness and left ventricular end-diastolic dimension), local hemodynamics (systolic blood pressure), and echocardiographic parameters of systolic and diastolic function (global longitudinal strain, mitral E/e′ ratio, isovolumic relaxation time, and mitral deceleration time) (P < .001). In a multivariate analysis including all these factors, the predictors of SW velocities were age, mitral E/e′, and global longitudinal strain (r = 0.81).

Conclusions

Natural myocardial SW velocities in children can be detected and measured. SW velocities showed significant dependence on age and diastolic function. Natural SWs could be a promising additive tool for the assessment of diastolic function among children.

背景：用传统超声心动图评估儿童心肌舒张功能具有挑战性。最新的高帧频（HFR）超声心动图通过测量心肌剪切波（SW）的传播速度，有助于评估心肌僵硬度（MS）--舒张功能的一个关键因素。然而，目前尚缺乏儿童自然剪切波的正常值：方法：招募 106 名健康儿童（2-18 岁）和 62 名成人（19-80 岁）。使用改良的商用扫描仪采集 HFR 图像。沿室间隔绘制解剖 M 型，在组织加速度编码 M 型显示中测量二尖瓣关闭 (MVC) 后自然 SW 的传播速度：结果：在整个生命过程中，二尖瓣关闭不全后的SW速度表现出明显的年龄依赖性（r= 0.73；PC结论：可以检测和测量儿童的自然心肌SW速度。SW速度与年龄和舒张功能有明显的相关性。天然 SW 可作为评估儿童舒张功能的一种有前途的附加工具。

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引用次数: 0

Refining the Prothrombotic State in Atrial Fibrillation with Left Atrial Appendage 3D Echocardiography. 用左心房附壁三维超声心动图细化心房颤动的血栓前状态

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.10.014

Laurie Soulat-Dufour, Sylvie Lang, Maharajah Ponnaiah, Théo Simon, Stephane Ederhy, Saroumadi Adavane-Scheuble, Marion Chauvet-Droit, Elodie Capderou, Camille Arnaud, Eleonore Sotto, Raphael Cohen, Thibault d'Izarny Gargas, Aliocha Scheuble, Nadjib Hammoudi, Anne-Sophie Beraud, Karima Addetia, Franck Boccara, Roberto M Lang, Ariel Cohen

引用次数: 0

Perinatal Cardiac Functional Adaptation in Hypoplastic Left Heart Syndrome: A Longitudinal Analysis 左心发育不全综合征围产期心脏功能适应：纵向分析。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.06.020

Background

The perinatal transition is characterized by acute changes in cardiac loading. Compared with normal newborn combined cardiac output (CCO), single right ventricular (RV) output of neonates with hypoplastic left heart syndrome (HLHS) is markedly greater. The aim of this study was to examine the mechanisms of cardiac adaptation that facilitate this perinatal transition from late fetal to early neonatal life in HLHS.

Methods

Prospectively recruited pregnancies complicated by fetal HLHS (n = 35) and healthy control subjects (Ctrl; n = 17) underwent serial echocardiography in late gestation (38 ± 1 weeks) and 6, 24, and 48 hours after birth. Cardiac function was assessed using conventional, Doppler tissue, and speckle-tracking echocardiography.

Results

Term fetuses with HLHS had RV output comparable with Ctrl CCO via higher stroke volume. Compared with both left ventricular and RV indices of Ctrl, they exhibited globular and dilated right ventricles with reduced relative wall thickness (0.40 ± 0.08 vs 0.49 ± 0.10, P < .01), increased Tei index′ (HLHS vs Ctrl left ventricle/Ctrl right ventricle: sphericity index, 0.9 ± 0.25 vs 0.5 ± 0.10/0.6 ± 0.11; RV area index, 28 ± 6 vs 15 ± 3/17 ± 5 cm²/m²; Tei index′, 0.65 ± 0.11 vs 0.43 ± 0.07/0.45 ± 0.09; P < .0001 for all). Neonates with HLHS generated elevated RV cardiac output compared with Ctrl CCO via higher heart rate and stroke volume, with further RV dilatation, increased longitudinal systolic strain at 48 hours (−17 ± 4% vs −14 ± 3%/ 14 ± 5%) with reduced circumferential and rotational myocardial deformation and altered diastolic function. Neonates with HLHS also demonstrated right atrial enlargement with increased longitudinal strain: 6 hours (33 ± 12% vs 26 ± 6%), 24 hours (37 ± 15% vs 26 ± 13%), and 48 hours (38 ± 11% vs 24 ± 13%) (P < .0001).

Conclusions

Term fetuses with HLHS exhibit altered RV geometry and RV systolic and diastolic functional parameters. After birth, further alterations in these cardiac parameters likely reflect adaptation to acutely altered RV loading from increasing cardiac output and pulmonary artery flow demands.

背景：围产期过渡期的特点是心脏负荷的急剧变化。与正常新生儿合并心输出量（CCO）相比，左心发育不全综合征（HLHS）新生儿的单个右心室（RV）输出量明显增大。我们试图研究促进HLHS围产期从胎儿晚期向新生儿早期过渡的心脏适应机制：方法：前瞻性招募的胎儿 HLHS 并发症孕妇（35 人）和健康对照组（17 人）分别在妊娠晚期（38±1 周）和出生后 6、24 和 48 小时接受连续超声心动图检查。采用常规、组织多普勒和斑点追踪超声心动图评估心脏功能：结果：足月HLHS胎儿的左心室输出量（RVCO）通过较高的搏出量（SV）与Ctrl CCO相当。与 Ctrl 胎儿的左心室（LV）和 RV 指数相比，他们的 RV 呈球状扩张，相对壁厚（RWT）降低[RWT：0.40±0.08 vs. 0.49±0.10，p2/m2 vs. 15±3cm2/m2/17±5cm2/m2，Tei 指数'：0.65±0.11 vs. 0.65±0.11]：0.65±0.11 vs. 0.43±0.07/0.45±0.09，均为 p结论：足月 HLHS 胎儿表现出 RV 几何形状以及 RV 收缩和舒张功能参数的改变。出生后，这些心脏参数的进一步改变可能反映了对增加的心输出量和肺动脉流量需求所导致的急性 RV 负荷改变的适应。

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引用次数: 0

A Comparison of Perinatal Circulatory Transition in Critical Right and Left Heart Obstructive Lesions 危重右心和左心阻塞性病变围产期循环转换的比较

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.07.007

Proscovia M. Mugaba MD , Lisa K. Hornberger MD , Angela McBrien MBBCh, MD , Lindsay Mills MD , Luke G. Eckersley MBBS, PhD

Background

During perinatal transition in hypoplastic left heart syndrome (HLHS), reduced systemic blood flow (Qs) and cerebral blood flow and increased pulmonary blood flow (Qp) are observed, contributing to hemodynamic instability. The aim of the present study was to explore whether similar or discordant perinatal changes occur in critical pulmonary outflow tract obstruction (POFO) compared with HLHS and healthy control subjects.

Methods

Echocardiography was prospectively performed at 36 to 39 gestational weeks and then serially from 6 to 96 hours after birth, before cardiac intervention. Combined cardiac output (CCO), superior vena cava (SVC) flow rate, Qs and Qp, and resistance indices (RIs) in the middle cerebral artery (MCA), celiac artery, and superior mesenteric artery were compared among the three groups.

Results

In fetal POFO (n = 19) and HLHS (n = 31), CCO was comparable with that in control subjects (n = 21) because of elevated stroke volume, but CCO in POFO was lower compared with HLHS (P < .01). Compared with control subjects, POFO CCO was lower at 6 hours after delivery but comparable at 24 to 96 hours. In contrast, from 6 to 96 hours, the HLHS group had higher CCO than POFO and control subjects. Compared with control subjects, both neonates with POFO and those with HLHS had lower Qs and SVC flow (POFO at 24 hours, P < .001; HLHS 6-hour Qs and 6- to 24-hour SVC flow). Compared with control subjects, Qp was increased in POFO at 48 to 96 hours (P < .05) and in HLHS at all time points (P < .001). Compared with fetal MCA RI, postnatal MCA RI was acutely higher in both POFO and HLHS, whereas in control subjects, it tended to decrease postnatally. Celiac artery RI and superior mesenteric artery pulsatility index were higher in POFO and HLHS from 6 to 48 hours vs control subjects.

Conclusions

POFO and HLHS demonstrate divergent acute hemodynamic changes in the early neonatal period, with early decreased CCO in POFO and increased CCO in HLHS. Both demonstrate early compromise in Qs and SVC (cerebral flow) and ongoing altered splanchnic flow.

背景：在左心发育不全综合征（HLHS）的围产期转变过程中，可观察到全身血流（Qs）和脑血流减少，肺血流（Qp）增加，从而导致血流动力学不稳定。在本研究中，我们探讨了与 HLHS 和健康对照组相比，临界肺流出道梗阻（POFO）的围产期变化是否相似或不一致：方法：在妊娠36-39周时进行前瞻性超声心动图检查，然后在进行心脏干预前于出生后6-96小时内进行连续超声心动图检查。比较三组间的合并心输出量（CCO）、上腔静脉（SVC）、Qs和Qp流速以及大脑中动脉（MCA）、腹腔动脉和肠系膜上动脉的阻力指数（RI）：结果：在胎儿POFO（n=19）和HLHS（n=31）中，由于搏出量增加，CCO与对照组（n=21）相当，但与HLHS相比，POFO的CCO较低（p）：POFO 和 HLHS 在新生儿早期表现出不同的急性血流动力学变化，POFO 早期 CCO 下降，HLHS 早期 CCO 上升。两者都表现出 Qs 和 SVC（脑血流）的早期受损以及脾血流的持续改变。

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引用次数: 0

Diastolic Myocardial Stiffness Assessed by Shear Wave Elastography in Children With a Fontan Circulation 通过剪切波弹性成像评估丰坦循环患儿的舒张期心肌僵硬度。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.07.010

Thomas Salaets MD, PhD, Maëlys Venet MD, Aimen Malik MSc, Jerome Baranger PhD, Luc Mertens MD, PhD, Olivier Villemain MD, PhD

引用次数: 0

Left Atrioventricular Coupling Index: When Minimal Left Atrial Volume Is Actually ‘More’ Than Maximal Left Atrial Volume 左房室耦合指数：当最小左心房容积实际上比最大左心房容积 "多 "时。

IF 5.4 2区医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of the American Society of Echocardiography

Pub Date : 2024-11-01 DOI: 10.1016/j.echo.2024.09.001

Lior Zornitzki MD , Yan Topilsky MD

引用次数: 0

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