• Youyi Huang and Daxin Gao.
• School of Medicine, Nanchang University, Jiangxi.
• Medicine (Baltimore). 2020 Oct 9; 99 (41): e22520.

BackgroundThere is no consensus in existing literature on the pulse power, application time, frequency and the dose of energy of laser therapy for the patients. Therefore, we conducted this research for the assessment of safety and efficiency of ultrasound and high-intensity laser therapy (HILT) in the lumbar disc herniation (LDH) patients.MethodsOur present research was approved by the institutional review board in the West China-Guangan Hospital. All the participants would acquire the written informed consent. From December 2020 to December 2021, we will conduct a prospective evaluation via a senior surgeon for 1 hundred LDH patients who plan to undergo the conservative treatment at our hospital. In this research, the inclusion criteria contained: the patients with lumbar disc herniation diagnosed by lumbar MRI; the patients with no history of trauma or congenital abnormalities; and the patients with sufficient psychological ability to understand and then answer the questions raised in assessment scale. The participants were randomly divided into the control group or HILT group after performing the examination of baseline. The main outcome was the pain score of visual analog scale. The other results contained the adverse effects, back range of motion as well as functional scores.ConclusionsWe assumed that the HILT is as effective as the ultrasound therapy in treating pain for LDH.Trial RegistrationThis study protocol was registered in Research Registry (researchregistry5975).

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