Shear wave elastography based analysis of changes in fascial and muscle stiffness in patients with chronic non-specific low back pain

被引:0
作者
Liu, Kun [1 ,2 ]
Zhao, Tong [3 ]
Zhang, Yang [1 ]
Chen, Lili [2 ]
Zhang, Haoran [4 ]
Xu, Xiqiang [4 ]
Yuan, Zenong [4 ]
Zhang, Qingyu [4 ]
Dong, Jun [4 ]
机构
[1] Shandong Univ Tradit Chinese Med, Rehabil & Phys Therapy Dept, Affiliated Hosp, Jinan, Peoples R China
[2] Shandong Sport Univ, Coll Sports & Hlth, Jinan, Shandong, Peoples R China
[3] Shandong First Med Univ & Shandong Acad Med Sci, Shandong Acad Occupat Hlth & Occupat Med, Jinan, Shandong, Peoples R China
[4] Shandong First Med Univ, Dept Orthoped, Shandong Prov Hosp, Jinan, Shandong, Peoples R China
来源
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY | 2024年 / 12卷
关键词
shear wave elastography; low back pain; thoracolumbar fascia; erector spinae; multifidus; MECHANOSENSITIVE AFFERENT UNITS; MOTOR CONTROL; ULTRASOUND; ELASTICITY; CREEP; INDIVIDUALS; ASSOCIATION; RELIABILITY; DISABILITY; MULTIFIDUS;
D O I
10.3389/fbioe.2024.1476396
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Background The quantitative assessment of individual muscle and fascial stiffness in patients with low back pain remains a challenge. This study aimed to compare the stiffness of the thoracolumbar fascia (TLF), erector spinae (ES), and multifidus (MF) in patients with and without chronic non-specific low back pain (CNLBP) using shear wave elastography (SWE). It also sought to explore the relationship between muscle and fascial stiffness and the levels of pain and dysfunction in patients with CNLBP. Methods In this cross-sectional study, 30 patients with CNLBP (age 27.40 +/- 4.57 years, 19 males, 11 females, BMI 22.96 +/- 2.55 kg/m2) and 32 healthy controls (age 27.94 +/- 4.94 years, 15 males, 17 females, BMI 22.52 +/- 2.26 kg/m2) were enrolled. Stiffness of the TLF, ES, and MF was measured using SWE, and Young's modulus values were recorded. The numeric rating scale (NRS) for quantifying pain intensity and the Oswestry Disability Index (ODI) scores were recorded for the case group to examine their correlations with the resilience index. Results The CNLBP group exhibited significantly higher shear modulus values at the L4-5 bilateral TLF (left: p = 0.014, d = 0.64; right: p = 0.002, d = 0.86), ES (left: p = 0.013, d = 0.66; right: p = 0.027, d = 0.58), and MF (left: p = 0.009, d = 0.69; right: p = 0.002, d = 0.85) compared to the control group. Comparable findings were observed for the right ES (p = 0.026, d = 0.59) and left MF (p = 0.020, eta 2 = 0.09) at L1-2. Strong correlations were observed between the shear modulus of the bilateral TLF (left: r = 0.57, p = 0.001; right: r = 0.65, p < 0.001) at L4-5 and the NRS scores. Moderate correlations were noted between the shear modulus of the ES (left: r = 0.42, p = 0.022; right: r = 0.48, p = 0.007) and MF (left: r = 0.50, p = 0.005; right: r = 0.42, p = 0.023) at L4-5 and the NRS scores. Additionally, the shear modulus of the MF (r = 0.50, p = 0.005) on the left side of L1-2 showed similar correlations. Strong correlations were observed between the shear modulus of the bilateral TLF (left: r = 0.60, p < 0.001; right: r = 0.58, p < 0.001) at L4-5 and the ODI scores. Moderate correlations were observed between the shear modulus of the right TLF (r = 0.43, p = 0.017), ES (r = 0.38, p = 0.037), and MF (r = 0.44, p = 0.015) at L1-2, as well as the bilateral MF (left: r = 0.46, p = 0.011; right: r = 0.45, p = 0.012) at L4-5, and the ODI scores. No significant correlations were found at other measurement sites. Conclusion In patients with CNLBP, the stiffness of the lumbar fascia and muscles is generally higher than in individuals without LBP. However, this increase is not uniform across all lumbar regions, with the most significant changes observed in the L4-5 segments. In addition, higher stiffness may be associated with pain and dysfunction, primarily manifested in the TLF.
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页数:12
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