Department of Physical Medicine and Rehabilitation, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.
Department of Mechanical Engineering, Soonchunhyang University, Asan, 31538, Korea.
Muscle Nerve. 2019 Oct;60(4):387-391. doi: 10.1002/mus.26631. Epub 2019 Jul 26.
This study evaluated muscle echo intensity (EI) ratio in patients with ulnar neuropathy at the elbow (UNE) and healthy controls.
In this prospective study, 28 patients with electrodiagnostically confirmed unilateral UNE and 12 healthy controls were ultrasonographically assessed for EI ratios of the hypothenar and thenar muscles. The affected and unaffected hands between the UNE patients and controls and patient subgroups (subdivided according to electrodiagnostic severity) were compared to determine any significant differences.
In patients with UNE, the EI ratio of the hypothenar to thenar muscles was significantly higher for the affected side than for the unaffected side (1.08 ± 0.11 and 0.97 ± 0.18, respectively) or the control group (0.95 ± 0.05). A significant difference in the EI ratio was observed among the subgroups (mild vs. severe subgroup, P < 0.01).
Ultrasonographic EI measurement may be a useful parameter in the evaluation and screening of UNE.
本研究评估了肘管综合征（UNE）患者和健康对照者的肌肉回声强度（EI）比值。
在这项前瞻性研究中，对 28 例经电诊断证实的单侧 UNE 患者和 12 名健康对照者进行了超声评估，以测量小鱼际和大鱼际肌肉的 EI 比值。比较了 UNE 患者的患侧和健侧以及患者亚组（根据电诊断严重程度进行细分）与对照组之间的 EI 比值，以确定是否存在显著差异。
在 UNE 患者中，患侧小鱼际与大鱼际肌肉的 EI 比值明显高于健侧（分别为 1.08±0.11 和 0.97±0.18，以及对照组（0.95±0.05）。亚组之间的 EI 比值存在显著差异（轻度与重度亚组，P<0.01）。
超声 EI 测量可能是评估和筛查 UNE 的有用参数。
