肢体淋巴水肿时的局部无回声区代表整个肢体的细胞外液。
Local Echo-Free Space in a Limb with Lymphedema Represents Extracellular Fluid in the Entire Limb.
作者信息
Suehiro Kotaro, Morikage Noriyasu, Ueda Koshiro, Samura Makoto, Takeuchi Yuriko, Nagase Takashi, Mizoguchi Takahiro, Nakamura Kaori, Hamano Kimikazu
机构信息
Division of Vascular Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine , Yamaguchi, Japan .
出版信息
Lymphat Res Biol. 2018 Apr;16(2):187-192. doi: 10.1089/lrb.2017.0053. Epub 2017 Oct 31.
BACKGROUND
We previously reported that local subcutaneous echo-free space (SEFS) in the leg was stirringly correlated with extracellular fluid (ECF) status in the same part of the leg when assessed using bioelectrical impedance analysis (BIA). In this study, we examined whether local SEFS represents the ECF status in the entire limb.
METHODS AND RESULTS
In 51 legs and 40 arms with lymphedema (LE), subcutaneous tissue ultrasonography was performed to determine SEFS severity (range, 0-2). BIA was also performed to calculate the L-Dex score (LDS), which is a BIA-derived parameter to represent ECF status, for the arm and modified LDS (mLDS) for the leg (the right arm was used as a reference instead of the contralateral leg). SEFS severity in any part of the leg showed good correlation with mLDS, but that in the lateral lower calf showed the strongest correlation (ρ = 0.86). In contrast, only SEFS severity in the medial forearm showed good correlation with LDS (ρ = 0.74).
CONCLUSIONS
Local SEFS may represent ECF status in the entire limb in both the leg and arm LE.
背景
我们之前报道过，当使用生物电阻抗分析（BIA）进行评估时，腿部局部皮下无回声区（SEFS）与腿部同一部位的细胞外液（ECF）状态密切相关。在本研究中，我们检查了局部SEFS是否代表整个肢体的ECF状态。
方法与结果
对51条腿部和40条手臂患有淋巴水肿（LE）的患者进行皮下组织超声检查，以确定SEFS严重程度（范围为0 - 2）。还进行了BIA以计算L - Dex评分（LDS），这是一个从BIA得出的代表ECF状态的参数，用于手臂，以及用于腿部的改良LDS（mLDS）（使用右臂作为参考而非对侧腿部）。腿部任何部位的SEFS严重程度与mLDS均显示出良好的相关性，但小腿外侧下部的SEFS严重程度相关性最强（ρ = 0.86）。相比之下，只有前臂内侧的SEFS严重程度与LDS显示出良好的相关性（ρ = 0.74）。
结论
在腿部和手臂淋巴水肿中，局部SEFS可能代表整个肢体的ECF状态。
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