LOW LEVEL LASER THERAPY VERSUS POLARIZED LIGHT THERAPY ON WOUND HEALING POST BURN

Document Type : Original Article

Authors

1 Department of Physical Therapy for Surgery, Faculty of Physical Therapy, Cairo University, Cairo, Egypt

2 Department of plastic surgery, General organization of Teaching Hospitals and Institutes, Cairo, Egypt

10.21608/iptccu.2024.456809

Abstract

Background: A significant fraction of patients who had larger burns, they had more prolonged period of hyper metabolism, chronic inflammation, and lean body mass wasting, all of which may impair wound healing. Low-level laser therapy and Polarized light therapy have proven that they are effective methods for accelerating wound healing. Objective: the purpose of the current study was to compare between therapeutic effect of low level laser therapy and polarized light therapy on the surface area of burn wound. Methods: sixty participants Suffering from full thickness upper limb burns (2nd degree burns) with burn total body surface area ranging from (20% to 35%). Their ages range from (20- 40) years, were divided in a random way into two groups of equal number. The experimental group (A)(n=30) received low level LASER therapy (with wavelength 650nm, power output of 150 mw, power density 0.6 w/cm2, continuous mode, 2 J/cm2 and time 90 sec/cm2), while the control group (B) (n=30) received Polarized light therapy (wavelength: 400–2000 nm; degree of polarization: 95%; power density: 40 mW cm2; light energy: 2.4 J cm2). Wound surface area using J image software were estimated at the initial time of the study and after 4 weeks. Results: revealed there were significant difference between both groups after 4 weeks as (p=0.001). The significance of improvement of wound surface area in experimental group was further than the control group at 4 weeks. Conclusion: This study supports that low level laser therapy had a superior effect on wound healing post burn as compared to polarized light therapy in patients with upper limb full thickness second degree burn

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