研究目的
To evaluate the synergic effect of therapeutic ultrasound and photobiomodulation applied to the palm of hands of a fibromyalgic man patient.
研究成果
The synergic application of therapeutic ultrasound and photobiomodulation using the ultra-laser prototype on the palm of hands improved the fibromyalgic patient's quality of life and reduced pain, as evidenced by SF-36 and VAS scores. This suggests a new therapeutic approach for fibromyalgia, potentially effective in male patients, with systemic benefits. Future studies should include larger samples and controlled trials to confirm efficacy.
研究不足
The study is a single case report, limiting generalizability. The sample size is small (n=1), and there is no control group. Long-term effects and mechanisms of action are not fully explored. The equipment is a prototype, and parameters may need optimization for broader application.
1：Experimental Design and Method Selection:
A case study design was used to assess the synergic effect of therapeutic ultrasound and photobiomodulation (low-level laser therapy) applied simultaneously using an ultra-laser prototype. The protocol involved 10 sessions over several weeks, with evaluations before and after treatment using Quality of Life Questionnaire (SF-36) and Visual Analogue Scale (VAS).
2：Sample Selection and Data Sources:
One male patient, 43 years old, with diagnosed fibromyalgia, was selected. Data were collected through questionnaires and pain scales administered before and after the treatment sessions.
3：List of Experimental Equipment and Materials:
An ultra-laser prototype developed by the Technological Support Laboratory (LAT) of the Institute of Physics of S?o Carlos (IFSC), University of S?o Paulo (USP), was used. It combined therapeutic ultrasound and low-level laser sources. Transparent ultrasound conductive gel was applied to facilitate ultrasound transmission.
4：Experimental Procedures and Operational Workflow:
Treatment was applied twice a week for a total of 10 sessions. Each session involved applying the ultra-laser to the palm of both hands for 3 minutes per hand (6 minutes total per session), with the transducer held at a 90-degree angle and rotated constantly. Parameters were set as per Table 1: ultrasound (pulsed, 1 MHz, 100 Hz duty cycle, 50% temporal-average, 0.5 W/cm2 spatial-peak intensity) and photobiomodulation (808 nm wavelength, continuous mode, 100 mW power, 60 W/cm2 irradiance).
5：5 W/cm2 spatial-peak intensity) and photobiomodulation (808 nm wavelength, continuous mode, 100 mW power, 60 W/cm2 irradiance).
Data Analysis Methods:
5. Data Analysis Methods: Data from SF-36 and VAS were compared before and after treatment. Delta values (Δ) were calculated to quantify changes, with positive Δ indicating improvement.
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