Efficacy of different therapy regimes of low‐power laser in painful osteoarthritis of the knee: A double‐blind and randomized‐controlled trial

Gür, Ali; Cosut, Abdulkadir; Saraç, Ayşegül Jale; Çevik, Remzi; Nas, Kemal; Uyar, Aşur

doi:10.1002/lsm.10236

Cited by 129 publications

(108 citation statements)

References 37 publications

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“…Patient properties, irradiation locations, session schedules, and co-interventions of the included trials are listed in Table 2. There is one trial for rheumatoid arthritis, 32 eight trials for osteoarthritis, [33][34][35][36][37][38][39][40] five trials for temporomandibular disorders, [41][42][43][44][45] five trials for low back pain, 2,46-49 two trials for shoulder pain, 50,51 and two trials for neck pain. 40,52 All patients in these trials suffered from pain in their joint regions and their joint regions were irradiated by lasers.…”

Section: Included Studiesmentioning

confidence: 99%

“…Then, except for 7 trials, 39,40,[42][43][44][45]47 the remaining 15 trials simultaneously combined other interventions with laser therapy. Some trials used drugs such as analgesics, NSAIDs, antidepressants, and tranquilizers, [32][33][34][35][36]38,48,52 and other trials used exercises 2,37,41,46,50,51 or hot packs 49 as cointerventions during laser therapy. Table 3 , and irradiation times from 1 to 900 sec.…”

Section: Included Studiesmentioning

confidence: 99%

“…Table 3 , and irradiation times from 1 to 900 sec. The numbers of irradiation points are also included in Table 3; the number of irradiation points for the specific joint was described in only five studies, [32][33][34]37,51 whereas most of the studies only described the number of irradiation points for one session or did not describe the number of irradiations.…”

Section: Included Studiesmentioning

confidence: 99%

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Meta-Analysis of Pain Relief Effects by Laser Irradiation on Joint Areas

Jang

Lee

2012

Photomedicine and Laser Surgery

105

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Background: Laser therapy has been proposed as a physical therapy for musculoskeletal disorders and has attained popularity because no side effects have been reported after treatment. However, its true effectiveness is still controversial because several clinical trials have reported the ineffectiveness of lasers in treating pain. Methods: In this systematic review, we investigate the clinical effectiveness of low-level laser therapy (LLLT) on joint pain. Clinical trials on joint pain satisfying the following conditions are included: the laser is irradiated on the joint area, the PEDro scale score is at least 5, and the effectiveness of the trial is measured using a visual analogue scale (VAS). To estimate the overall effectiveness of all included clinical trials, a mean weighted difference in change of pain on VAS was used. Results: MEDLINE is the main source of the literature search. After the literature search, 22 trials related to joint pain were selected. The average methodological quality score of the 22 trials consisting of 1014 patients was 7.96 on the PEDro scale; 11 trials reported positive effects and 11 trials reported negative effects. The mean weighted difference in change of pain on VAS was 13.96 mm (95% CI, 7.24-20.69) in favor of the active LLLT groups. When we only considered the clinical trials in which the energy dose was within the dose range suggested in the review by Bjordal et al. in 2003 and in World Association for Laser Therapy (WALT) dose recommendation, the mean effect sizes were 19.88 and 21.05 mm in favor of the true LLLT groups, respectively. Conclusions: The review shows that laser therapy on the joint reduces pain in patients. Moreover, when we restrict the energy doses of the laser therapy into the dose window suggested in the previous study, we can expect more reliable pain relief treatments.

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Section: Included Studiesmentioning

confidence: 99%

Section: Included Studiesmentioning

confidence: 99%

Section: Included Studiesmentioning

confidence: 99%

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Meta-Analysis of Pain Relief Effects by Laser Irradiation on Joint Areas

Jang

Lee

2012

Photomedicine and Laser Surgery

105

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“…Light therapy's effectiveness is affected by four important factors: Wavelength, treatment duration, and dosage (Gur, 2003). Wavelength is light in the form of electromagnetic energy that has wavelengths between 100 and 10,000 nanometers (nm) inside the electromagnetic spectrum.…”

Section: Methods Of Proceduresmentioning

confidence: 99%

Light Therapy: The Effectiveness of Light Therapy on Pain and Swelling of Acute Lower Extremity Sprains and Strains of Collegiate Athletes

Martin¹

2007

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This thesis investigated light therapy to discover if this therapeutic modality had any effect on pain and swelling in acute lower extremity sprains and strains of collegiate athletes. The subjects were 18-22 year old male and female collegiate athletes from Cedarville University. The study was a blind study using experimental and sham treatment groups. The researcher used the Dynatron 709 Solaris unit with a superluminous diode cluster probe with wavelengths from 660 nm to 880 nm. The dosage was 10 J/cm² of continuous strength for 1 minute and 40 seconds at each injury site. The conclusion of this study was that light therapy decreased pain in the experimental group although it was not found to be significant. There was no significance in the decrease of swelling. My research found that light therapy is an effective modality for use with acute pain of acute lower extremity sprains and strains.iv

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“…The current challenge for researchers in laser therapy is to find the appropriate parameters (wavelength, output power, emission mode, spot size and shape of the laser beam, length of irradiation, and applied technique) for the therapeutic application to be effective, whether at high or low power, or in photodynamic therapy [10][11][12][13][14] .…”

Section: Introductionmentioning

confidence: 99%

The effects of different doses of 670 nm diode laser on skin flap survival in rats

et al. 2012

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PURPOSE: To investigate the effects of different low-level laser therapy (LLLT) doses on random skin flap rats. METHODS: Forty Wistar rats were randomly divided in four groups. The control group (CG) was not irradiated. The experimental groups were irradiated with a diode laser 670 nm with different energies per point: group 2 (G2) with 0.06 J; group 3 (G3) 0.15 J and group 4 (G4) 0.57 J. The three groups were irradiated in 12 equally distributed points in the cranial skin flap portion. They were submitted to the irradiation during the immediate, first and second postoperative days. The necrosis area was evaluated in the seventh postoperative day. RESULTS: The CG shows 49.35% of necrosis area in the skin flap; G2, 39.14%; G3, 47.01% and G4, 29.17% respectively. There was a significantly difference when G4 was compared with CG`s skin flap necrosis area. CONCLUSION: The low-level laser therapy diode 670 nm with 0.57 J energy per point increases the survival in randomic skin flap rats.

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Efficacy of different therapy regimes of low‐power laser in painful osteoarthritis of the knee: A double‐blind and randomized‐controlled trial

Abstract: Our study demonstrated that applications of LPLT in different dose and duration have not affected results and both therapy regimes were a safe and effective method in treatment of knee OA.

Cited by 129 publications

References 37 publications

Meta-Analysis of Pain Relief Effects by Laser Irradiation on Joint Areas

Meta-Analysis of Pain Relief Effects by Laser Irradiation on Joint Areas

Light Therapy: The Effectiveness of Light Therapy on Pain and Swelling of Acute Lower Extremity Sprains and Strains of Collegiate Athletes

The effects of different doses of 670 nm diode laser on skin flap survival in rats

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