三维超声心动图得出的搏出量比与 VTI 方法的比较:相关性研究

IF 2.3 3区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS
P. Pyra, C. Karsenty, K. Hadeed, Y. Dulac, A. Guitarte, P. Acar
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引用次数: 0

摘要

导言量化肺-系统血流比(Qp:Qs)或搏出量对评估心脏分流或反流非常重要。虽然超声心动图速度时间积分(VTI)法已被常规使用,但三维超声心动图提供了另一种无创替代方法。本研究旨在将三维超声心动图得出的搏出量比值与传统方法得出的搏出量比值进行比较。方法我们前瞻性地纳入了患有各种心脏疾病且无系统性瓣膜狭窄或房室返流的患者,这些患者接受了常规超声心动图和三维采集(4D auto RVQ 和 LVQ,GE Healthcare)进行比值评估。结果35 例患者的平均年龄为 7.9 岁(范围:1.1-16.9),其中 16 例为分流患者,19 例为正常患者。通过三维超声心动图和 VTI 方法获得的搏出量比的相关系数为 0.876(P < 0.001)。结论 三维超声心动图与 VTI 方法在评估搏出量比方面具有良好的相关性,支持其在 VTI 计算不可行或不可靠的情况下(如肺动脉狭窄分流)评估心脏分流的实用性。还需要进一步研究来验证其用途,特别是与心脏磁共振成像(MRI)得出的 Qp:Qs 比率进行比较,并探索其更广泛的临床应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparison of 3D echocardiography-derived stroke volume ratio with VTI method: A correlation study

Introduction

Quantification of the pulmonary-to-systemic flow ratio (Qp:Qs) or stroke volume is important in assessing cardiac shunts or regurgitations. While the echocardiography velocity time integral (VTI) method is routinely used, 3D echocardiography offers another non-invasive alternative.

Objective

This study aims to correlate stroke volume ratios derived from 3D echocardiography with those obtained by conventional method.

Methods

We prospectively included patients with various cardiac conditions and without systemic valve stenosis or atrioventricular regurgitation who underwent conventional echocardiography with 3D acquisitions (4D auto RVQ and LVQ, GE Healthcare) for ratio assessment.

Results

Thirty-five patients with a mean age of 7.9 years old (range: 1.1–16.9) were included, 16 patients with shunt and 19 normal patients. The correlation coefficient between stroke volume ratios obtained by 3D echocardiography and VTI method was 0.876 (P < 0.001). The 3D Qp:Qs was closer to 1 in structurally normal hearts [0.99 ± 0.04] than with the VTI method [1.08 ± 0.23].

Conclusion

3D echocardiography demonstrates good correlation with VTI method in assessing stroke volume ratios, supporting its utility for evaluating cardiac shunts in situations where VTI calculation is not feasible or reliable (like shunts with pulmonary stenosis). Further studies are warranted to validate its use, particularly in comparison with Qp:Qs ratios derived from cardiac magnetic resonance imaging (MRI) and to explore its broader clinical applications.

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来源期刊
Archives of Cardiovascular Diseases
Archives of Cardiovascular Diseases 医学-心血管系统
CiteScore
4.40
自引率
6.70%
发文量
87
审稿时长
34 days
期刊介绍: The Journal publishes original peer-reviewed clinical and research articles, epidemiological studies, new methodological clinical approaches, review articles and editorials. Topics covered include coronary artery and valve diseases, interventional and pediatric cardiology, cardiovascular surgery, cardiomyopathy and heart failure, arrhythmias and stimulation, cardiovascular imaging, vascular medicine and hypertension, epidemiology and risk factors, and large multicenter studies. Archives of Cardiovascular Diseases also publishes abstracts of papers presented at the annual sessions of the Journées Européennes de la Société Française de Cardiologie and the guidelines edited by the French Society of Cardiology.
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