Abstract
Current therapeutic methods for suppressing muscle spasticity are intensive
functional training, surgery, or pharmacological interventions. However, these
methods have not been fully supported by confirmed efficacy due to the aggravation
of the muscle spasticity in some patients. In this study, a combined system was
developed to treat with a low-level laser and to monitor the region of the treatment
using an optical spectroscopic probe that measures oxygen saturation and
deoxygenation during low-level laser therapy (LLLT). The evaluation of the
wavelength dependence for LLLT was performed using a Monte Carlo simulation and the
results showed that the greatest amount of heat generation was seen in the deep
tissue at λ = 830 nm. In the oxy- and deoxygenation
measurements during and after the treatment, oxygen-Hb concentration was
significantly increased in the laser-irradiated group when compared to the control
group. These findings suggest that LLLT using λ =
830 nm may be of benefit in accelerating recovery of muscle spasticity. The combined
system that we have developed can monitor the physiological condition of muscle
spasticity during the laser treatment in real time and may also be applied to
various myotonia conditions such as muscle fatigue, back-pain treatment/monitoring,
and ulcer due to paralysis.
© 2011 Optical Society of Korea
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