Comparison of US elastography and chemical shift magnetic resonance imaging in multifidus muscle fatty degeneration.

Cirugia y cirujanos Pub Date : 2024-01-01 DOI:10.24875/CIRU.24000048

Fatıh Kırcın, Bahar Yanık, Erdogan Bulbul, Emrah Akay, Gulen Demırpolat

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Abstract

Objective: The purpose of this study was to investigate the feasibility of the use of shear wave elastography (SWE) in comparison to chemical shift encoding (CSE) magnetic resonance imaging (MRI) for the evaluation of multifidus muscle fatty degeneration in patients with chronic low back pain.

Method: Multifidus muscles were evaluated with the CSE-MRI and SWE examinations in control and patient groups. With the in-phase and out-phase sequences in CSE-MRI, signal intensity index (SII), and signal intensity suppression ratio (SISR) values; with the SWE method, shear wave velocity values were determined. Differences in the mean values of these parameters per level and study group were analyzed by Student's t-test.

Results: SWE revealed significantly lower stiffness at the L2-3 level, consistent with the signal index values (SII-SISR) showing increased fatty infiltration on MRI in the patient group. No such relationship was found at the L4-5 level or in control group.

Conclusions: SWE may be a promising method to show muscle fatty infiltration at L2-3 level in patients with chronic low back pain.

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多裂肌脂肪变性的 US 弹性成像与化学位移磁共振成像的比较。

研究目的本研究旨在探讨剪切波弹性成像（SWE）与化学位移编码（CSE）核磁共振成像（MRI）相比，用于评估慢性腰痛患者多裂肌脂肪变性的可行性：方法：用 CSE-MRI 和 SWE 检查评估对照组和患者组的多裂肌。采用 CSE-MRI 的相内和相外序列，测定信号强度指数（SII）和信号强度抑制比（SISR）值；采用 SWE 方法，测定剪切波速度值。通过学生 t 检验分析了各水平和研究组这些参数平均值的差异：结果：SWE 显示 L2-3 水平的硬度明显较低，这与 MRI 上显示患者组脂肪浸润增加的信号指数值（SII-SISR）一致。在 L4-5 水平或对照组中未发现这种关系：SWE可能是显示慢性腰痛患者L2-3水平肌肉脂肪浸润的一种有前途的方法。

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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Cirugia y cirujanos

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