Effectiveness of multiwave locked system laser on the treatment of patients with idiopathic Bell’s palsy: a randomized double-blind placebo controlled trial

Alayat, Mohamed Salaheldien Mohamed; Elsodany, Ahmed Mohamed; Almatrafi, Nahla Ahmad; Fiky, Amir Abdel Raouf El

doi:10.1007/s10103-022-03616-x

Cited by 5 publications

(5 citation statements)

References 42 publications

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“…11 In a randomized, double-blind, placebo-controlled study investigating the effect of MLS laser in patients with idiopathic Bell's palsy, they reported that MLS laser is an effective physiotherapy method used in the treatment of patients with idiopathic Bell's palsy compared to placebo laser. 12 In our study, we found that the MLS laser was more effective on the SSS and FSS of CTS patients in a short time compared to splint, exercise and education alone. The antiinflammatory and analgesic effects provided by the use of two different wavelengths offer an effective conservative method option in controlling CTS symptoms.…”

Section: Discussionmentioning

confidence: 48%

“…MLS laser therapy is also used in CTS and Bell's palsy as it accelerates and improves nerve regeneration. [11][12] Although there are previous studies evaluating the effect of LLLT and MLS laser treatments on various diseases, there is no study comparing these two treatments in CTS. The aim of this study is to retrospectively reveal the effects of LLLT and MLS laser therapy applications used in the treatment of patients with CTS on clinical and functional parameters, to compare the two treatment methods and to investigate whether they are superior to each other.…”

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confidence: 99%

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Comparative evaluation of low-level laser therapy and multi-wave locked system laser therapy for carpal tunnel syndrome: a retrospective study

ÜŞEN,

AKYOL,

TOPAL

2023

Journal of Exercise Therapy and Rehabilitation

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Purpose: This study aimed to evaluate the effects of Low-Level Laser Therapy and Multi-Wave Locked System (MLS) Laser Therapy on clinical and functional parameters in Carpal Tunnel Syndrome. Methods: 60 patients with mild to moderate Carpal Tunnel Syndrome were retrospectively evaluated in three groups. All patients received splinting, a home exercise program, and patient education. Group I received Low-Level Laser Therapy, Group II received MLS Laser Therapy, and Group III received no laser application. Follow-up assessments were conducted at baseline, 4 weeks, and 12 weeks using VAS, Grip Strength measurement, and the BOSTON Carpal Tunnel Questionnaire. Results: Statistically significant improvements were observed in all parameters in Group I and Group II at 4 weeks and 12 weeks compared to baseline. Group III showed no significant differences in grip strength measurements and the BOSTON Functional Status Scale at 4 weeks compared to baseline. The changes between baseline and 4 weeks were statistically significantly better in Group I and Group II compared to Group III for all parameters. No significant difference was found between Group I and Group II in VAS and grip strength improvements, but the improvement in BOSTON Symptom Severity Scale was significantly more prominent in Group II than in Group I. Conclusion: Both Low-Level Laser Therapy and MLS Laser Therapy can be considered as conservative treatment options along with splinting and exercise to control the symptoms of Carpal Tunnel Syndrome. MLS Laser Therapy may be superior to Low-Level Laser Therapy in reducing symptom severity.

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Section: Discussionmentioning

confidence: 48%

mentioning

confidence: 99%

Comparative evaluation of low-level laser therapy and multi-wave locked system laser therapy for carpal tunnel syndrome: a retrospective study

ÜŞEN,

AKYOL,

TOPAL

2023

Journal of Exercise Therapy and Rehabilitation

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“…In this study, the acupuncture points and the facial areas scanned by PBMT are similar. Therefore, the therapeutic effects observed in this study can be attributed to a combined effect of both PBMT and laser acupuncture [ 16 ].…”

Section: Discussionmentioning

confidence: 99%

“…After 30 sessions treatment, the symptoms were improved [ 19 ]. Alayat et al evaluated laser therapy’s effectiveness on 60 patients (three groups of 20 patients each) with idiopathic Bell's palsy, significant recovery improvement was noted as measured by the HB and Facial Disability Index over 6 weeks [ 16 ].…”

Section: Discussionmentioning

confidence: 99%

“…Although the underlying mechanisms of laser in the treatment of facial paralysis are still unclear, several studies suggest that laser acupuncture has been suggested for the treatment of Bell’s palsy demonstrating an immediate pain decrease as well as an anti-inflammatory effect [ 16 , 17 ]. However, there is a lack of randomized controlled trials validating its efficacy beyond 8 weeks.…”

Section: Introductionmentioning

confidence: 99%

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Laser acupuncture and photobiomodulation therapy in Bell’s palsy with a duration of greater than 8 weeks: a randomized controlled trial

Wu,

Lan,

Litscher

et al. 2024

Lasers Med Sci

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To investigate the efficacy of laser acupuncture and photobiomodulation therapy in alleviating symptoms among patients diagnosed with Bell’s palsy with duration of greater than 8 weeks. The randomized controlled trial has been performed from May 2021 to April 2023. Patients were eligible who had Bell’s palsy with duration of greater than 8 weeks on out-patient Department of Otorhinolaryngology in Beijing Tongren Hospital. The laser acupuncture group received class IV laser treatment for 3 times per weeks, a total of 72 times. The control group received the same treatment procedure except the laser parameter. The primary outcome measures comprised House–Brackmann facial nerve grading system and electroneurography. Secondary outcome measures comprised Sunnybrook facial grading system, electromyography, and the blink reflex. A total of 84 participants were included (42 control group, 42 laser acupuncture group). After treatment, House–Brackmann facial nerve grading system (OR, 0.11; 95% CI, 0.04–0.30; P < 0.001), and the pathologic numbers of electroneuronography were statistically different between the laser acupuncture group and control group, including orbicularis oculi (OR,0.08; 95% CI, 0.02–0.21; P < 0.001), Frontalis muscle (OR,0.14; 95% CI, 0.05–0.39; P < 0.001), Orbicularis oris (OR,0.13; 95% CI, 0.04–0.36; P < 0.001), Ala nasi muscle (OR,0.06; 95% CI, 0.02–0.18; P < 0.001). In secondary outcomes, Sunnybrook facial grading system, has significant difference between the two groups (20.26; 95% CI, 14.69 to 25.83; P < 0.01). Latency by ENoG, include orbicularis oculi (-0.61; 95% CI, -0.43 to -0.09; P < 0.001), frontalis muscle (-0.12; 95% CI, -0.21 to -0.03; P < 0.01), orbicularis oris (-0.28; 95% CI, -0.41 to -0.16; P < 0.001), and ala nasi muscle (-0.26; 95% CI, -0.38 to -0.16; P < 0.001). All amplitudes of MUAPs and durations by electromyography (EMG) showed statistically significant differences compared with the control group after treatment. For the frontalis muscle, the amplitude of MUAPs was -64.23 (95% CI, -80.89 to -47.56; P < 0.001) and duration was -1.18 (95% CI, -1.49 to -0.87; P < 0.001). For orbicularis oris, amplitude of MUAPs was -29.82 (95% CI, -55.03 to -4.62; P = 0.02) and duration was -0.57 (95% CI, -0.94 to -0.20; P < 0.001). For depressor angulli oris, amplitude of MUAPs was -47.06 (95% CI, -62.15 to -31.97; P < 0.001) and duration was -2.21 (95% CI, -2.69 to -1.72; P < 0.001). Blink reflex, including R1 (OR, 0.03; 95% CI, 0.01–0.16; P < .001), R2 (OR, 0.04; 95% CI, 0.004–0.29; P < .001), and R2 latency differences (OR, 0.15; 95% CI, 0.05–0.51; P < .001), have significant difference between the two groups, respectively. The findings suggest that laser acupuncture relieve symptoms for patients with Bell’s palsy with a duration of greater than 8 weeks.Trial registration: ClinicalTrials.gov Identifier: NCT05846217.

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Laser therapy for Bell’s palsy: a systematic review and meta-analysis of randomized trials

Lin,

Chen,

Lin

et al. 2024

Lasers Med Sci

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Effectiveness of multiwave locked system laser on the treatment of patients with idiopathic Bell’s palsy: a randomized double-blind placebo controlled trial

Cited by 5 publications

References 42 publications

Comparative evaluation of low-level laser therapy and multi-wave locked system laser therapy for carpal tunnel syndrome: a retrospective study

Comparative evaluation of low-level laser therapy and multi-wave locked system laser therapy for carpal tunnel syndrome: a retrospective study

Laser acupuncture and photobiomodulation therapy in Bell’s palsy with a duration of greater than 8 weeks: a randomized controlled trial

Laser therapy for Bell’s palsy: a systematic review and meta-analysis of randomized trials

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