پنجشنبه 6 آذر 1404
دوره 10، شماره 1 - ( 10-1402 )
جلد 10 شماره 1 صفحات 67-57 |
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Nosratiyan M, Farjah G H, Saberi H. The Effect of Low-intensity Remote Ultrasound on Sciatic Nerve Regeneration in Male Rats. Caspian J Neurol Sci 2024; 10 (1) :57-67
URL: http://cjns.gums.ac.ir/article-1-691-fa.html
URL: http://cjns.gums.ac.ir/article-1-691-fa.html
The Effect of Low-intensity Remote Ultrasound on Sciatic Nerve Regeneration in Male Rats. مجله علوم اعصاب کاسپین. 1402; 10 (1) :57-67
چکیده: (1100 مشاهده)
Background: Ultrasonic therapy is used locally to repair damaged peripheral nerves.
Objectives: This study was designed to examine the effect of low-intensity remote ultrasound on peripheral nerve regeneration.
Materials & Methods: In the present study, 24 male rats were randomly divided into three groups: Sham surgery (SS: No sciatic crush injury, no ultrasonic treatment, n=8), control (C: Sciatic crush injury, without ultrasonic treatment, n=8), and remote ultrasound (RU: Sciatic crush injury, ultrasonic treatment, n=8). To induce nerve crush, the sciatic nerve was clamped 1 cm above the bifurcation site for 30 seconds. In the RU group, the opposite leg was treated with low-intensity ultrasound for 10 minutes, 3 times a week for 4 weeks (1.1 MHz frequency with an intensity of 0.5 W/cm2). Neurological evaluation was done by examining the sciatic nerve index (SFI) on days 7, 21, 28, 35, 49, and 56 after surgery. The samples were evaluated histologically, biochemically, and immunohistologically on days 28 and 56 after surgery.
Results: The mean SFI, transverse diameter of muscle fibers, and the number of myelinated axons in the RU group were higher than those in the control group (P<0.05). Also, the mean plasma levels of total antioxidant capacity, malondialdehyde, interleukin-6, and HSP70 in the control group differed from the RU group on days 28 and 56 after surgery (P<0.05).
Conclusion: The results of the present study show that low-intensity remote ultrasound has beneficial effects on the crushed sciatic nerve.
Objectives: This study was designed to examine the effect of low-intensity remote ultrasound on peripheral nerve regeneration.
Materials & Methods: In the present study, 24 male rats were randomly divided into three groups: Sham surgery (SS: No sciatic crush injury, no ultrasonic treatment, n=8), control (C: Sciatic crush injury, without ultrasonic treatment, n=8), and remote ultrasound (RU: Sciatic crush injury, ultrasonic treatment, n=8). To induce nerve crush, the sciatic nerve was clamped 1 cm above the bifurcation site for 30 seconds. In the RU group, the opposite leg was treated with low-intensity ultrasound for 10 minutes, 3 times a week for 4 weeks (1.1 MHz frequency with an intensity of 0.5 W/cm2). Neurological evaluation was done by examining the sciatic nerve index (SFI) on days 7, 21, 28, 35, 49, and 56 after surgery. The samples were evaluated histologically, biochemically, and immunohistologically on days 28 and 56 after surgery.
Results: The mean SFI, transverse diameter of muscle fibers, and the number of myelinated axons in the RU group were higher than those in the control group (P<0.05). Also, the mean plasma levels of total antioxidant capacity, malondialdehyde, interleukin-6, and HSP70 in the control group differed from the RU group on days 28 and 56 after surgery (P<0.05).
Conclusion: The results of the present study show that low-intensity remote ultrasound has beneficial effects on the crushed sciatic nerve.
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