A multicentric quality-control study of exercise Doppler echocardiography of the right heart and the pulmonary circulation. The RIGHT Heart International NETwork (RIGHT-NET).

IF 1.9 3区医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS

Cardiovascular Ultrasound Pub Date : 2021-01-20 DOI:10.1186/s12947-021-00238-1

Francesco Ferrara, Luna Gargani, Carla Contaldi, Gergely Agoston, Paola Argiento, William F Armstrong, Francesco Bandera, Filippo Cademartiri, Rodolfo Citro, Antonio Cittadini, Rosangela Cocchia, Michele D'Alto, Antonello D'Andrea, Philipp Douschan, Stefano Ghio, Ekkehard Grünig, Marco Guazzi, Stefania Guida, Jaroslaw D Kasprzak, Theodore John Kolias, Giuseppe Limongelli, Alberto Maria Marra, Matteo Mazzola, Ciro Mauro, Antonella Moreo, Francesco Pieri, Lorenza Pratali, Nicola Riccardo Pugliese, Mauro Raciti, Brigida Ranieri, Lawrence Rudski, Rajan Saggar, Andrea Salzano, Walter Serra, Anna Agnese Stanziola, Mani Vannan, Damien Voilliot, Olga Vriz, Karina Wierzbowska-Drabik, Robert Naeije, Eduardo Bossone

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引用次数: 6

Abstract

Purpose: This study was a quality-control study of resting and exercise Doppler echocardiography (EDE) variables measured by 19 echocardiography laboratories with proven experience participating in the RIGHT Heart International NETwork.

Methods: All participating investigators reported the requested variables from ten randomly selected exercise stress tests. Intraclass correlation coefficients (ICC) were calculated to evaluate the inter-observer agreement with the core laboratory. Inter-observer variability of resting and peak exercise tricuspid regurgitation velocity (TRV), right ventricular outflow tract acceleration time (RVOT Act), tricuspid annular plane systolic excursion (TAPSE), tissue Doppler tricuspid lateral annular systolic velocity (S'), right ventricular fractional area change (RV FAC), left ventricular outflow tract velocity time integral (LVOT VTI), mitral inflow pulsed wave Doppler velocity (E), diastolic mitral annular velocity by TDI (e') and left ventricular ejection fraction (LVEF) were measured.

Results: The accuracy of 19 investigators for all variables ranged from 99.7 to 100%. ICC was > 0.90 for all observers. Inter-observer variability for resting and exercise variables was for TRV = 3.8 to 2.4%, E = 5.7 to 8.3%, e' = 6 to 6.5%, RVOT Act = 9.7 to 12, LVOT VTI = 7.4 to 9.6%, S' = 2.9 to 2.9% and TAPSE = 5.3 to 8%. Moderate inter-observer variability was found for resting and peak exercise RV FAC (15 to 16%). LVEF revealed lower resting and peak exercise variability of 7.6 and 9%.

Conclusions: When performed in expert centers EDE is a reproducible tool for the assessment of the right heart and the pulmonary circulation.

Abstract Image

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右心和肺循环运动多普勒超声心动图的多中心质量控制研究。右心国际网络(右网)。

目的:本研究是一项质量控制研究，由19个超声心动图实验室测量静息和运动时的多普勒超声心动图(EDE)变量，这些实验室均有参与右心国际网络的成熟经验。方法:所有参与调查者报告了从10个随机选择的运动压力测试中要求的变量。计算类内相关系数(ICC)来评估观察者与核心实验室的一致性。静息和峰值运动时三尖瓣反流速度(TRV)、右心室流出道加速时间(RVOT Act)、三尖瓣环平面收缩偏移(TAPSE)、三尖瓣外侧环组织多普勒收缩速度(S’)、右心室分数面积变化(RV FAC)、左心室流出道速度时间积分(LVOT VTI)、二尖瓣流入脉冲波多普勒速度(E)、测量舒张期二尖瓣环速度(TDI)和左室射血分数(LVEF)。结果:19名调查人员对所有变量的准确率为99.7% ~ 100%。所有观察者的ICC均> 0.90。静息和运动变量的观察者间变异为TRV = 3.8 ~ 2.4%， E = 5.7 ~ 8.3%， E′= 6 ~ 6.5%，RVOT Act = 9.7 ~ 12, LVOT VTI = 7.4 ~ 9.6%， S′= 2.9 ~ 2.9%，TAPSE = 5.3 ~ 8%。静息和峰值运动RV FAC在观察者间存在中度差异(15 - 16%)。LVEF显示静息和峰值运动变异性较低，分别为7.6%和9%。结论:当在专家中心进行时，EDE是评估右心和肺循环的可重复性工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cardiovascular Ultrasound CARDIAC & CARDIOVASCULAR SYSTEMS-

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Cardiovascular Ultrasound is an online journal, publishing peer-reviewed: original research; authoritative reviews; case reports on challenging and/or unusual diagnostic aspects; and expert opinions on new techniques and technologies. We are particularly interested in articles that include relevant images or video files, which provide an additional dimension to published articles and enhance understanding. As an open access journal, Cardiovascular Ultrasound ensures high visibility for authors in addition to providing an up-to-date and freely available resource for the community. The journal welcomes discussion, and provides a forum for publishing opinion and debate ranging from biology to engineering to clinical echocardiography, with both speed and versatility.