The effects of LED emissions on sternotomy incision repair after myocardial revascularization: a randomized double-blind study with follow-up

Lasers in Medical Science
Rauirys Alencar de OliveiraRenata Amadei Nicolau

Abstract

This study aimed to analyze the effects of light-emitting diode (LED) therapy on sternotomy pain and healing in patients who underwent coronary artery bypass grafting (CABG). The patients were followed for 6 months after the surgery to determine their dehiscence. This study was conducted with 90 volunteers who electively submitted to CABG. The volunteers were randomly allocated into three different groups of equal size: LED (λ of 640 ± 20 nm and spatial average energy fluency of 1.2 J/cm(2) during hospitalization), placebo, or control. The outcomes assessed were pain when coughing by a visual analog scale (VAS) and the McGill questionnaire and sternotomy healing by clinical assessment and photographical register end interpretation. The LED group had better pain reduction, as indicated by both the VAS and the McGill questionnaire (number of words chosen and pain index) (p ≤ 0.05), on days 6 and 8 after hospital discharge compared to the placebo and control groups. One month after surgery, almost no individual mentioned pain when coughing. Three researchers blindly analyzed the incision photographs to determine hyperemia and wound closure, and they found that the LED group had both less hyperemia and less incision bleeding or deh...Continue Reading

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Citations

Dec 24, 2013·Evidence-based Complementary and Alternative Medicine : ECAM·Chiung-Chyi ShenBai-Shuan Liu
Dec 5, 2017·Lasers in Medical Science·Rauirys Alencar de OliveiraDenyberg de Oliveira Santiago
May 8, 2018·Lasers in Medical Science·Adrielle Martins Monteiro AlvesLuís Eduardo Silva Soares

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