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首页> 外文期刊>Pulmonary Circulation >Magnetic resonance lymphangiography in group 1 paediatric pulmonary arterial hypertension
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Magnetic resonance lymphangiography in group 1 paediatric pulmonary arterial hypertension

机译：第1组小儿肺动脉高压磁共振淋巴图

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Pulmonary hypertension could have thoracic lymphatic abnormalities caused by right ventricular failure. Since there is no description of such abnormalities, the purpose of this study was to investigate them with magnetic resonance. Prospective review magnetic resonance T2-weighted lymphangiography was performed between January 2017 and October 2019 through quantitative thoracic duct diameter, diameter index and qualitative lymphatic abnormalities types: 1 – little or none abnormalities, 2 – abnormalities in supraclavicular region, 3 – abnormalities extending into the mediastinum and 4 – abnormalities extending into the lung. Five patients with group 1 pulmonary arterial hypertension participated in this study. The mean age was 12.44  4.92 years, three male and two female. The quantitative analysis yielded the following results: mean thoracic duct diameter of 2.92  0.16 mm and thoracic duct index 2.28  1.03 mm/m2 . Qualitative lymphangiography abnormalities were type 1 in three patients, type 2 in one, all with low-risk determinants, and type 3 in one with high-risk determinants and right ventricular failure. Magnetic resonance T2-weighted lymphangiography in group 1 paediatric pulmonary arterial hypertension allowed for the identification of the thoracic duct, which was used to perform both quantitative and qualitative analysis of thoracic lymphatic abnormalities, in particular when increased high-risk determinants and right ventricular failure were present. These features represent an extracardiac finding useful to understand systemic venous congestion impact on lymphatic system.
机译：肺动脉高压可具有右心室衰竭引起的胸腔淋巴异常。由于没有描述这种异常的描述，因此该研究的目的是用磁共振来研究它们。预期审查磁共振T2加权淋巴图是在2017年1月和2019年1月之间进行的，通过定量胸部管道直径，直径指数和定性淋巴异常类型：1 - 少或无异常，2-异常的异常，3 - 异常延伸到Mapystinum和4 - 延伸到肺部的异常。第1族患者1款肺动脉高压参加了这项研究。平均年龄为12.44＆＃x1; 4.92年，三名男女。定量分析产生以下结果：平均胸道直径为2.92＆＃x1; 0.16毫米和胸廓管指数2.28＆＃x1; 1.03 mm / m2。定性淋巴图造影异常在三个患者中型1型，其中2型，均具有低风险的决定簇，以及具有高风险决定因素和右心室衰竭的3型。磁共振T2加权淋巴图在第1组小儿肺动脉高血压中允许鉴定胸部管道，其用于对胸腔淋巴异常进行定量和定性分析，特别是当增加高风险的决定因素和右心室失败时展示。这些特征代表了理解对淋巴系统的全身静脉充血影响的肢体发现。

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