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  • Pilot study of the effect of therapeutic photobiomodulation on postoperative pain in knee arthroplasty

    Pilot study of the effect of therapeutic photobiomodulation on postoperative pain in knee arthroplasty

    August, 4th 2023

    Marcelo Sousa has a PhD in Physics (USP), with a focus on Neurophysics, was Visiting Researcher at Harvard Medical School, and is currently Visiting Professor at the Federal University of Ceará (UFC). He founded the Brazilian startup Bright Photomedicine and is one of the authors of the article “Pilot study of the effect of therapeutic photobiomodulation on postoperative pain in knee arthroplasty”, published in Brazilian Journal of Anesthesiology, in 2022.

    Abstract: Nine participants undergoing primary TKA submitted to spinal anesthesia, sedation, ultrasound-guided obturator and Femoral nerve Block analgesia, and photobiomodulation Therapy (FBMT) were evaluated regarding postoperative pain and morphine consumption. FBMT sessions were performed in the Immediate Postoperative period (IPO) and after 24 hours. Participants received 16.7±15 mg of morphine up to the third postoperative day. At IPO, mean pain score was 4.8 ± 3.2 and 5.6 ± 3.5, at rest and on movement, respectively. Photobiomodulation therapy can be considered an option for mitigating pain for patients undergoing TKA.

    Authors: Marcia Uchoa de Rezende, Bruno Butturi Varone, Diego Ferreira Martuscelli, Guilherme Pereira Ocampos, George Miguel Goes Freire, Nathali Cordeiro Pinto, Marcelo Victor Pires de Sousa.

    Read the article here.

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