Assessment of the interstitial fluid in the subcutaneous tissue of healthy adults using ultrasonography

Terumi Ueda-Iuchi, Naoki Ohno, Tosiaki Miyati, Misako Dai, Mayumi Okuwa, Toshio Nakatani, Hiromi Sanada, Junko Sugama

研究成果: ジャーナルへの寄稿学術論文査読

5 被引用数 (Scopus)

抄録

Objective: Lymphoedema involves swelling, especially in the subcutaneous tissues. For lymphoedema management to be successful, it is necessary to remove the interstitial fluid. Subcutaneous echogenicity may be associated with interstitial fluid, but echogenicity is not an indicator for the evaluation of management because we do not directly compare echogenicity with the interstitial fluid. We aimed to identify an outcome indicator for the evaluation of interstitial fluid using ultrasonography. We assessed the correlation between echogenicity and transverse relaxation rate (R2) on magnetic resonance imaging. Methods: This was an observational study. Healthy adults with leg swelling after activity for >8 h were recruited. The legs of 13 women were evaluated using ultrasonography, magnetic resonance imaging and measurements of the limb circumference before and after an intervention to reduce the swelling. Results: Echogenicity in the oedema group was greater than that of the controls. Echogenicity decreased with reductions in oedema. The range of the strongest correlations with the changes in R2 occurred at echogenicity values of 48–144 (Pearson’s correlation coefficient: r = −0.63 and p < 0.01). Thus, it was possible to evaluate the interstitial fluid using echogenicity. Conclusion: The outcome indicators for the evaluation of interstitial fluid using ultrasonography were echogenicities in the range of 48–144, and these values were valid for assessing the interstitial fluid in the subcutaneous tissue.

本文言語英語
ジャーナルSAGE Open Medicine
3
DOI
出版ステータス出版済み - 2015
外部発表はい

All Science Journal Classification (ASJC) codes

  • 医学一般

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