بررسی اثربخشی لیزر پرتوان Nd:YAG بر درد و عملکرد بیماران مبتلا به استئوآرتریت زانو

نوع مقاله : مقاله های پژوهشی


1 دستیار تخصصی، گروه پزشکی ورزشی، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی ایران، تهران، ایران

2 دانشیار، گروه پزشکی ورزشی، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی ایران، تهران، ایران


مقدمه: استئوآرتریت زانو، از شایع‌ترین بیماری‌های عضلانی اسکلتی است که اغلب سالمندان را هدف قرار می‌دهد. این پژوهش، به منظور بررسی اثربخشی لیزر ‌پرتوان Nd:YAG در کاهش درد و بهبود عملکرد مبتلایان به استئوآرتریت زانو در مقایسه با فیزیوتراپی انجام شد.روش‌ها: در این کارآزمایی بالینی تصادفی که طی سال‌های 96-1395 اجرا شد، 60 بیمار مبتلا به استئوآرتریت زانو شرکت داشتند و با تخصیص تصادفی به دو گروه لیزردرمانی ‌پرتوان و درمان‌های متداول فیزیوتراپی تقسیم شدند. مداخلات ‌درمانی طی 10 جلسه همراه با ورزش‌درمانی برای دو گروه ‌انجام گردید. کلیه‌ی بیماران قبل و بعد از مداخلات درمانی از نظر شدت درد، دامنه‌ی Flexion زانو، آزمون‌های عملکردی و پرسش‌نامه‌ی Western Ontario and McMaster universities osteoarthritis index (WOMAC) مورد ارزیابی قرارگرفتند. جهت آنالیز درون‌گروهی از آزمون‌های Wilcoxon و  tو برای مقایسه‌ی تفاوت‌های بین دو گروه از آزمون‌های Mann-Whitney و Independent Sample t استفاده شد.یافته‌ها: بین تمام مقادیر قبل و بعد از مداخله، اختلاف معنی‌داری (001/0 > P) در هر یک از گروه‌ها وجود داشت. همچنین، مقایسه‌ی بین گروه‌های درمانی، مبین وجود تفاوت‌های معنی‌دار در متغیر‌های شدت درد (001/0 > P)، بخش عملکرد (006/0 = P) و امتیاز کلی پرسش‌نامه‌ی WOMAC (030/0 = P) بود.نتیجه‌گیری: یافته‌های این مطالعه، حاکی از تأثیر معنی‌دار شیوه‌نامه‌ی لیزر‌درمانی پرتوان در بهبود درد و عملکرد بیماران مبتلا به استئوآرتریت زانو در مقایسه با روش‌های فیزیوتراپی بود.


عنوان مقاله [English]

The Effects of High Intensity Nd:YAG Laser on Pain and Function in Patients with Knee Osteoarthritis

نویسندگان [English]

  • ََAhmad Nazari 1
  • Azar Moezy 2
  • Parisa Nejati 2
  • Ali Mazaherinezhad 2
1 Resident, Department of Sports Medicine, School of Medicine, Iran University of Medical Sciences. Tehran, Iran
2 Associate Professor, Department of Sports Medicine, School of Medicine, Iran University of Medical Sciences. Tehran, Iran
چکیده [English]

Background: Knee osteoarthritis (KOA) is the most common musculoskeletal disorder which often targets elderly. The aim of this study was to evaluate the effects of the high-intensity Nd:YAG laser therapy (HILT) compared to conventional physiotherapy (CPT) on pain and function in patients with knee osteoarthritis.Methods: In this randomized clinical trial study conducted in 2016-2017, sixty eligible patients with knee osteoarthritis were randomly assigned into two groups of high-intensity Nd:YAG laser therapy and conventional physiotherapy [including ultrasonography and transcutaneous electrical nerve stimulation (TENS)]. They received ten sessions of treatment. All patients were evaluated for pain intensity, range of knee flexion, functional tests, and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) questionnaire at the baseline and after the treatment. Wilcoxon and paired t tests were used to compare intragroup changes pre and post-intervention, and Mann-Whitney and independent sample t tests were used to compare between-group changes.Findings: There were significant differences in all variables (P < 0.001) between pre and post-intervention in each group. There were also significant differences in the pain (P < 0.001), and function subscale (P = 0.006) and total score (P = 0.030) of Western Ontario and McMaster Universities Osteoarthritis Index.Conclusion: The results of the study indicate that high-intensity Nd:YAG laser therapy is more effective in decreasing pain and increasing functional performance in comparison to conventional physiotherapy in patient with knee osteoarthritis.

کلیدواژه‌ها [English]

  • Osteoarthritis of knee
  • Nd-YAG lasers
  • Physiotherapy (Techniques)
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