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Pointing light at musculoskeletal and neurological conditions: clinical applications   131


                   open door, saying that if MRI had been used, maybe
                   small differences could have been detected, since it is   Summary from a
                   a more sensitive and specific method for assessment   different perspective
                   of acute infarction. In the last phase of these trials,
                   a double-blind, sham-controlled, randomized clini-  Measuring the success (of laser or whatever)
                   cal study was performed, attempting to enroll 1000   in musculoskeletal issues requires perhaps the
                   patients with acute ischemic stroke treated in the first   most attention to detail, on the front end and the
                   24 hours. But after a futile analysis of 566 completed   back. Proper diagnoses, pain scoring, range-
                   patients found no difference in clinical scores, it was   of-motion measurement, and weight-bearing
                   cancelled. [399]  Despite this, we hope more studies will   assessment all factor in. If you never implement
                   be conducted along these lines, since there could be   a laser on musculoskeletal conditions . . . you’d
                   various explanations for these findings. For instance,   be missing out Presurgical and non-surgical
                   the treatment parameters could have been non-opti-  cases alike are very likely to respond to laser
                   mal: a human skull is thicker than a murine one, they   because at the very core of these injuries, there
                   were using only 1 J/cm , and many other treatment   are injured tissues that the body really does
                                       2
                   details were not provided.                          want to heal. Sometimes this requires your
                     In a different field of application of TLT, a pla-  hands (or instruments) to help realign or affix or
                   cebo-controlled  clinical  study  in  humans  reported   suture, but the vast majority of healing is done
                   that TLT can have positive cognitive and emotional   when your hands are no longer on the animal.
                   effects [400]  related to frontal cortex stimulation. A previ-  And laser can help all those natural processes
                   ous study using a single dose provided clinically signif-  between visits, triggering cascades of events
                   icant relief of depression symptoms [401] ; in both cases,   that lead to faster and stronger healing.
                   a very high dose but a relatively low power density was
                               2
                   used – 60 J/cm  with 250 mW/cm .
                                               2
                     Putting together the benefits of laser for blood flow         9.9 Case studies
                   in the brain, neuronal metabolism, and the described
                   effects in animal models of neurodegenerative diseases,   The following are examples of the clinical use of LT in
                   a potential field of application in small animal medicine   patients with a variety of conditions affecting the mus-
                   that may show results in the future could be cognitive   culoskeletal system, whether these are fractures, osteo-
                   dysfunction syndrome, although there are no published   arthritis, trauma affecting muscle/tendons/bone, or
                   trials. On the human side, TLT is also receiving atten-  other conditions. The same parameters, explanations,
                   tion as a potential tool for the treatment of cognitive   and reporting system that you can find in section 7.11
                   dysfunction, [402]  and hopefully more information in the   also applies here. Again, all treatments included both
                   form of placebo-controlled clinical studies will be avail-  CW and pulsed emission, unless otherwise reported,
                   able in the future.                               with 20% of the energy being delivered in CW and the
                                                                     rest within a pulse (low to high) frequency range.































         REDONDO PRINT (4-COL BLEED).indd   131                                                                        08/08/2019   09:48
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