Stiffness, elasticity, resilience, density as clinical interpretation of physical properties of liver tissue

A. V. Borsukov, D. Yu. Venidiktova, A. D. Smirnova, M. A. Yakusheva
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Abstract

Objective . Evaluation of a single vector of ultrasound assessment of changes in the liver parenchyma, taking into account the correct use of such physical concepts as stiffness, elasticity, elasticity, density. Material and methods . On the basis of the Problem Research Laboratory ‘Diagnostic Research and Minimally Invasive Technologies’ a study was conducted with the participation of 112 patients of a multidisciplinary hospital. Multiparametric ultrasound examination (B-mode, quantitative liver steatometry, 2D shear wave elastography, complex format ‘liver protocol’) was performed by ultrasound doctors (n = 24) of the following groups: half-a-year residents in the specialty ‘ultrasound diagnostics’ (n = 9; 37.6%), doctors working in a multidisciplinary hospital of a medical organization of the regional center with work experience up to 5 years (n = 4; 16.6%), 6–10 years (n = 4; 16.6%), 11–20 years old (n = 3; 12.6%), 21 years or more (n = 4; 16.6%), of which 1 (4.2%) professor, 1 (4.2%) doctor of medical sciences, 3 (12.5%) candidates of medical sciences. An analysis of the protocols of ultrasound examination was carried out. Results. The correct description of changes in the liver according to B-mode data, quantitative steatometry, 2D shear wave elastography and ‘liver protocol’ correct formulations were given by 9 (37.5%) specialists. In all cases, most of the correct protocols were provided by doctors from groups of 6–10 years of experience and 21 years of experience or more. Conclusions . In the community of specialists in ultrasound diagnostics there is no agreement on a correct and unified approach to the description of diffuse liver changes using multiparametric ultrasound. To increase the level of knowledge, complex multidisciplinary interaction is necessary in the format of scientific and educational programs organized jointly with specialists in the field of medical physics.
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硬度,弹性,弹性,密度作为肝组织物理性质的临床解释
目标。评价单向量超声评价肝实质变化时,考虑到正确使用刚度、弹性、弹性、密度等物理概念。材料和方法。在“诊断研究和微创技术”问题研究实验室的基础上,对一家多学科医院的112名患者进行了一项研究。多参数超声检查(b型、定量肝脏脂肪测量、二维横波弹性成像、复杂格式“肝脏方案”)由以下组的超声医生(n = 24)进行:“超声诊断”专业半年住院医师(n = 9);37.6%),在区域中心医疗机构的多学科医院工作,工作经验不超过5年的医生(n = 4;16.6%), 6-10岁(n = 4;16.6%), 11-20岁(n = 3;12.6%), 21岁或以上(n = 4;16.6%),其中教授1人(4.2%),医学博士1人(4.2%),医学研究生3人(12.5%)。对超声检查方案进行了分析。结果。9位(37.5%)专家根据b型数据、定量脂肪测量、二维横波弹性成像和“肝脏方案”给出了正确的肝脏变化描述。在所有病例中,大多数正确的方案是由具有6-10年经验和21年或以上经验的医生提供的。结论。在超声诊断的专家社区中,对于使用多参数超声描述弥漫性肝脏变化的正确和统一的方法没有一致意见。为了提高知识水平,复杂的多学科互动是必要的,以科学和教育计划的形式与医学物理学领域的专家共同组织。
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