Abstract
BackgroundTwo-dimensional shear-wave elastography (2D-SWE) is an ultrasound elastography technique that uses shear waves to quantitatively measure tissue stiffness and it has recently been developed as a safe, real-time, and noninvasive imaging technique. The purpose of this study was to investigate the value of 2D-SWE in the diagnosis and treatment of acute compartment syndrome (ACS).Methods2D-SWE was used to measure the elasticity values of the main muscles in the superficial compartments of the calf in 212 healthy volunteers, and the difference in the muscle elasticity values between different gender and age groups were analyzed. Nine patients with clinical suspicion of ACS were included in this study and 2D-SWE was used to measure the elasticity values of the muscles on the affected and unaffected sides, and a comparative analysis was performed.ResultsThe mean elasticity values of the tibialis anterior (TA), peroneus longus (PL), and gastrocnemius medialis (GA) muscles in the relaxed state of the 212 healthy volunteers were 25.4 ± 3.2 kPa, 15.7 ± 1.5 kPa, and 12.1 ± 2.1 kPa, respectively. No statistically significant differences was observed in the elasticity values of the same muscle under the state of relaxation in different gender and age groups (p > 0.05). A statistically significant difference in the elasticity values of the muscle between the affected and unaffected sides in the fasciotomy group (p < 0.05, n = 5) was observed. In contrast, no difference in the elasticity values of the muscle between the affected and unaffected sides in the conservative group (p > 0.05, n = 4) was observed. There was a statistically significant difference in the elasticity values of the muscle on the affected side in the two treatment groups (p < 0.05).ConclusionsWhen the ACS occurs, the muscle elasticity of the affected limb increases significantly. 2D-SWE is expected to be a new noninvasive technique for the assessment of ACS and may provide a potential basis for clinical diagnosis and treatment.
Highlights
Two-dimensional shear-wave elastography (2D-SWE) is an ultrasound elastography technique that uses shear waves to quantitatively measure tissue stiffness and it has recently been developed as a safe, real-time, and noninvasive imaging technique
Research participants We performed a prospective analysis of nine patients with limb swelling suspected of acute compartment syndrome and 212 healthy volunteers who were included in this study with their consent (Tables 1, 2, 3)
Analysis of differences in muscle elasticity values between genders Statistical analysis was conducted on the elasticity values of major muscles (TA, peroneus longus (PL), and GA) in each compartment of the calves of 212 volunteers
Summary
Two-dimensional shear-wave elastography (2D-SWE) is an ultrasound elastography technique that uses shear waves to quantitatively measure tissue stiffness and it has recently been developed as a safe, real-time, and noninvasive imaging technique. The purpose of this study was to investigate the value of 2D-SWE in the diagnosis and treatment of acute compartment syndrome (ACS). Acute compartment syndrome (ACS) is a clinical surgical emergency that refers to an increase in intra-compartmental pressure (ICP) caused by various reasons, such as fractures, crush injuries, and thermal injuries, resulting in a decrease in perfusion pressure, leading to. The diagnosis of ACS mainly depends on the clinical manifestations and measurement of the ICP by some invasive methods, such as the Whitesides needle manometer, a slit or wick catheter [4]. We wish to find a real-time, noninvasive, safe, and accurate assessment method for the diagnosis and treatment of ACS
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