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    Effects of high-intensity laser therapy on pain, functional status, hand grip strength, and median nerve cross-sectional area by ultrasonography in patients with carpal tunnel syndrome
    (Springer London Ltd, 2023) Yigit, Fatih; Ordahan, Banu
    The aim of this study was to evaluate the effects of high intensity laser therapy (HILT) on pain, functional status, hand grip strength, and median nerve cross-sectional area by ultrasonography in patients with carpal tunnel syndrome. Sixty patients who were diagnosed with carpal tunnel syndrome were included in the study. The patients observed during the research were randomly divided into two groups with 30 patients in each group. Splint+ exercise and HILT (pulsed mode with a power of 8.0 W and energy density of 8 J/cm(2) for 1.40 minutes for every 25 cm(2), continuous mode with a power of 3.0 W and energy density of 80 J/cm(2) for 11 minutes for each 25 cm(2); total 10 sessions 5 days a week) were applied for 2 weeks for the first group, and splint+exercise and sham laser treatment were applied for 2 weeks for the second group. Randomization was undertaken with the assistance of a computer-generated random number table before beginning the treatment processes. The patients were evaluated with the determined scales before the treatment, at the end of the treatment, and at the 3rd month. Hydraulic hand dynamometer was used to measure hand grip strength, visual analog scale (VAS) for pain, Boston CTS Questionnaire to assess function, and ultrasonography to measure median nerve cross-sectional area. The impact of time on the change in VAS levels was found to be of statistical significance within each group of patients (p<0.001), but between-group comparisons did not yield significant results (p<0.454). The effects of time on variations in Boston CTS Questionnaire scores were found to have been of statistical significance for both groups (p<0.001), but significance was not subsequently observed when the results of the two groups were compared on a between-group basis (p=0.226 and p=0.973 for the FSS and SSS, respectively). While time had a statistically significant effect on the change in hand grip strength for both groups (p=0.000), between-group comparisons statistical significance finding in favor of HILT was found in the early period (p=0.012). The time-group association patterns of the groups showed significant difference (p=0.025). While time had a statistically significant effect on the changes in the median cross-sectional areas of the nerve for the patients of both treatment groups (p<0.001), between-group comparisons yielded no findings of statistical significance (p=0.438). The time-group relationship patterns of the groups were found to reflect statistical significance (p=0.001). In conclusion, the results of the research presented here have confirmed that hand grip strength may increase and the median nerve's cross-sectional area may decrease upon the application of high-intensity laser for individuals experiencing CTS. However, this effect was demonstrated here only in the short-term and the evidence was not maintained through the course of follow-up of a longer duration.
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    Efficacy of low-level laser versus high-intensity laser therapy in the management of adhesive capsulitis: A randomized clinical trial
    (Wolters Kluwer Medknow Publications, 2023) Ordahan, Banu; Yigit, Fatih; Mulkoglu, Cevriye
    Background: Low-level laser therapy (LLLT) and high-intensity laser therapy (HILT) are effective in alleviating pain and improving functionality in patients with adhesive capsulitis (AC); however, no study has compared the efficacy of these two laser treatments.Objective: To compare the effectiveness of LLLT and HILT in improving the shoulder joint range of motion and functional status and in reducing pain level in patients with AC.Trial Design: Prospective, randomized, parallel group, patient- and assessor-blinded.Methods: A total of 45 patients (aged: 18-65 years) with complaint of shoulder pain were evaluated for inclusion criteria, which included being aged 18-65 years and a diagnosis of AC based on physical examinations. Using computer-generated random numbers, eligible patients were randomized into two groups: HILT + stretching exercise and LLLT + stretching exercise groups. Both HILT and LLLT were performed three times/week for 3 weeks. Functional status and pain of the patients were evaluated with Shoulder Pain and Disability Index (SPADI) and Visual Analog Scale (VAS), while shoulder joint range of motion was measured with goniometry. All assessments were done before and 3 weeks after treatment.Results: A total of 40 patients (20 in each group) completed the study. At baseline, there was no statistically significant difference in the demographic and clinical characteristics between both groups. Both the LLLT and HILT groups showed significant improvement in the VAS and SPADI scores 3 weeks after treatment; however, the improvement was significantly higher in the HILT group than the LLLT group. There was no significant improvement in goniometric scores in both groups compared with baseline. No injury or other musculoskeletal complications were recorded during or after the treatments.Conclusion: HILT + stretching exercise treatment was more effective than LLLT + stretching exercise for improving functional parameters and pain in patients with AC.