THOR Literature watch for November 2013 Low Level Laser Therapy / Cold Laser / Photobiomodulation PBM

43 LLLT papers for you this month including: Three systematic reviews with meta-analysis on LLLT 1) before, during and after exercises, 2) frozen shoulder/adhesive capsulitis, 3) subacromial impingement syndrome. ALSO a trial showing increased muscle torque in elite athletes, reduced oral mucositis in pediatric cancer patients, LED for TMJ dysfunction, Laser vs LED dentin hypersensitivity, combined autologous PRP and LED for venous ulcers, LED after eccentric exercise (it seems to be a big month for LEDs ) and delightful editorial from Kevin Moore on the early years for LLLT and the World Association for Laser Therapy (WALT).

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Kadhim-Saleh laser neck pain review conclusion incorrect. LLLT is clinically effective

Last October a systematic review on LLLT for neck pain was written by Kadhim-Saleh et al and published in the British Journal of Sports Medicine. They report that the evidence for LLLT in neck pain is inconclusive. The paper criticises the 2009 Lancet review by Roberta Chow & Bjordal et al on LLLT for non-specific neck pain claiming their review was more stringent. Well you have to read the rebuttal Bjordal shot back to the journal editor revealing the weakness, errors and fundamental flaws in the work of Kadhim-Saleh et al

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1946 book on Electrotherapy and Light Therapy

If you are familiar with many of the light therapy arguments today this should make you smile; I stumbled across a book published in 1946 called Electrotherapy and Light Therapy and I quite enjoyed the cautious speculation and many accuracies that we still discuss today.

The book is 694 pages long, the section on light and infrared therapies is 26 pages, here some samples for you.

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Class IV laser misleading claims

In October a paper was published claiming that class IV laser is more effective than class 3B for oral mucositis.  The authors attempt to con the reader by asserting they used a “standard” 3B laser protocol, but instead they set up a weak protocol delivering just 15% of the recomended energy in order to make a “class IV laser” product appear more effective.

As you know the marketing  claim for class IV devices is that they have more power so should go deeper, should reduce treatment time and should be more effective, well guess what, most of their power is using wavelengths that do not penetrate (970-980nm) [1]. All the evidence on dose consistently shows  that over treatment reduces effectiveness [2][3], treatment times are longer due to the scanning technique [4] and when you look at the small handful of clinical trails done with class IV lasers they use the same irradiation parameters used by 3B lasers anyway![4]

Such  misinformation is intended to direct a doctor / therapist away from what is proven to work in favour of something more expensive. If you you see a manuscript with ”HILT” or “class IV laser” in the title watch out for the marketing spin.

I wrote a letter to the journal editor. I will post a link when it is published.

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Class IV laser dose concern. An update from Prof. Jan Bjordal. World Association for Laser Therapy (WALT)

The title of last months PMLS editorial was Low Level Laser Therapy (LLLT) and World Association for Laser Therapy (WALT) Dosage Recommendations. Written by the Scientific Secretary Prof. Jan Bjordal. He describes how far we have come and the importance of the WALT dosage recommendations. No abstract is available for editorials so I have prepared one for you below. Continue reading

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NICE to see you

The good news is I received an invite from NICE to go see them.

NICE are the UK’s National Institute for Health and Clinical Excellence. Their guidance helps British health professionals deliver the optimal care based on the best available evidence. It seems they like what we do and want me go show them LLLT. Watch this space.  8-)

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Class IV laser treatments take longer than 3B lasers

A paper titled ”The Effectiveness of Therapeutic Class IV (10 W) Laser Treatment for Epicondylitis” [ref] showed that 10 Watt Class IV laser (mixed 8W 970nm, 2W 810) was successful in reducing pain and improving function in an RCT with 15 patients, and that there was good statistical significance at 6 months following a course of 6 treatments.

The claim by class IV laser manufacturers is that class IV lasers are better (faster, deeper and more effective) than Class 3b and LED systems. Conversely the 3B laser and LED manufacturers argue that less power density is more effective because delivering energy too quickly can overdose tissues and class IV lasers might burn the skin.

Throughout this paper there are marketing messages claiming the advantages  of shorter treatment times than low power LLLT systems and of course the title shouts “10 Watt Class IV laser” just in case the reader is in any doubt that more power is what you need.

Regular readers of this column know my obsession with irradiation parameters, particularly dose rate effects (W/cm2) and will not be surprised to learn that I deconstruced the irradiation parameters used in this trial . Surprise, surprise they were the same low irradiance levels typically used by 3B lasers and LED systems, if not less and the treatment time was longer too.

Yes, it was a 10 Watt laser and yes, 3,000 joules was delivered, however it had a  large beam area and treatment was delivered over (45cm2) in a “painting fashion”. The fluence (dose) was 6.6 Joules/cm2 and the power density was a tiny 22mW/cm2, consequently  treatment time was a hefty 5 mins.

The average irradiance was not disclosed in the paper and the reader is directed to think that more power is quicker.

P.S.  research trials with 3B lasers are typically 30 seconds to 3 mins and our recommended treatment is 1 min with a large LED cluster to the lateral epicondyle and 30 seconds for any related trigger points.

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LLLT for Multiple sclerosis (MS) : Nice work Jeri-Anne, Janis and Chukuka

original article  from http://www.sciencecodex.com/light_as_medicine-121445

Light as medicine?

Multiple sclerosis (MS) causes progressive paralysis by destroying nerve cells and the spinal cord. It interrupts vision, balance and even thinking.

On a suggestion from a colleague, Jeri-Anne Lyons decided to test how the disease responded to a radical therapy – exposure to a certain wavelength of light called near-infrared (NIR). Continue reading

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None so blind as the BMJ who will not see

A few weeks ago (September 2013) the BMJ updated their patient information for neck pain and I quote “There isn’t much specific research that shows drugs help neck pain, but your doctor may recommend one or more of the following” and then they list painkillers (acetaminophen), non-steroidal anti-inflammatory drugs (NSAIDs), antidepressants and muscle relaxants. Well, guess what, there was NO mention of LLLT.

Of course I wrote to the BMJ, pointing out there are at least 17 RCTs for LLLT on neck pain and a systematic review in the Lancet and added “What kind of a review did your team do that missed LLLT and yet suggests drug therapies that lack evidence?” and the reply was “The patient leaflets are written from reviews of the evidence on treatments compiled by our scientific and clinical teams for the Best Practice and Clinical Evidence products. The treatments to be included are decided upon with advice from clinical experts in the field. I will forward your message to the teams involved in deciding the scope of the Clinical Evidence and Best Practice topics linked to the neck pain patient leaflet, so that they can consider your comments when they next review the scope of the topic

Should I respond and what should I say?

I am a fan of the BMJ. They are not usually a slave to the pharma industry and they are not afraid to confront them or any blinkered “business as usual” physicians so I fully expect LLLT to be in next years guidlines (I shall make sure of it). That is my upbeat comment for this month.

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The Bottom Line – lazy or ignorant professors?

Irradiation parameters and dose are critical aspects of LLLT and if you are a doctor or therapist you probably trust the research you read. Prepare to be disappointed.

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New video interview. Very good I think. Ron is articulate and a straight down the middle guy.

It would be nice if human hospitals could give the LLLT attention Ron gives his animal patients.

For more on THOR pet treatments click here

For more on LLLT training click here

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THOR at Harvard MIT

David Sengeh has been developing powered limbs at MIT for amputees (like the bionic man). Where the powered limb attaches to the body (the stump of the original leg) it gets very sore. David has been using our standard THOR products to heal the stump and reduce pain. It works very well, though it takes a lot of time to treat the whole area. I am in Boston now to help David start clinical trials with a new device we designed that will treat the whole stump. The amputee puts the the leg stump into the LED treatment cylinder and gets a complete treatment in just one minute :-)

MIT

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Mike Hamblin Harvard LLLT TBI video interview

LLLT for Traumatic Brain Injury (TBI) by Prof. Michael Hamblin, Wellman Centre for Photomedicine, Harvard Medical School.

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BMJ says Death from opioid pain relievers is an epidemic in the USA

The BMJ reported that the US Centers for Disease Control and Prevention had declared there was a national epidemic of prescription drug overdoses which led to 14,800 deaths in 2008. This is more than cocaine and heroin combined for the same period. If you think this an exaggeration click here to see the full government report.

They highlight the following key points :

  • Death from opioid pain relievers (OPR) is an epidemic in the United States.
  • Sales of OPR quadrupled between 1999 and 2010.
  • Enough OPRs were prescribed last year to medicate every American adult for a month
  • Abuse of OPRs costs health insurers approximately $72.5 billion annually in health-care costs.

And just in case you were not astonished already, I will remind those of you that have not heard me say it before that NSAIDs were the 15th biggest cause of death in the USA according to the New England Journal of Medicine 1999. Unfortunately there is no abstract so I am going to show you a little snip from the full paper

NEJM NSAID Deaths

If only there was an alternative ;-)

Send me your comments below

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The THOR LLLT treatment Library

Available only to people who have attended a THOR training course in the last 3 years. All treatments are based on our four step method which includes treatment of the injury, trigger points, lymphatics and nerve roots.

Take a look to see how it works and let us know what you think.

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LLLT in the Lancet Top 20 Hit Parade

The paper by Roberta Chow, Mark Johnson, Rodrigo Lopes-Martins, Jan M Bjordal titled “Efficacy of low-level laser therapy in the management of neck pain: a systematic review and meta-analysis of randomised placebo or active-treatment controlled trials” (abstract here) reached number 17 in The Lancet top 20 most downloaded papers for 2010. The full top 20 list is here:

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International Association for Study of Pain finds “strong evidence” for LLLT

A guidance document on myofascial pain syndrome (MPS) published on the International Association for Study of Pain web site finds “strong evidence” for Low Level Laser Therapy (LLLT). We have archived a copy here and you can find the original source here . Myofascial pain syndrome is often confused with fibromyalgia so it may be worth reading this blog to help understand the difference.

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BMJ systematic review finds “strong evidence” for LLLT on Frozen Shoulder

The BMJ sports medicine journal (BJSM) published a systematic review of conservative and surgical interventions and found “strong evidence for the effectiveness of laser therapy” adding to the rapidly expanding list of authoritative journals endorsing LLLT.

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THOR Literature watch for December 2013 LLLT Low Level Laser Therapy / Cold Laser / Photobiomodulation PBM, “Cold laser”, “Class IV laser”

28 papers for December 2013 starting with a good narrative editorial from Richard Godine DVM who make good points about dose, penetration and treatment guidelines for pets, there is an LLLT study on TMJ pain, a couple of orthodontic tooth movement papers, a clinical trial on subacromial impingement syndrome, Jan Tuner write a nice op ed  regarding a failed tinnitus trial pointing the obvious flaws in the dosimetry. There is a trial on muscle fatigue in young women, a lichen planus study, gingival hyperplasia and much more (of course).

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Laser Therapy webinar for veterinarians

Do More With A THOR
Presented by Ron Hirschberg DVM
Wednesday 16th April 2014 at 6:30pm – 8:30pm EST

Dr Hirschberg has treated over 3,000 pets with laser therapy.

Pathologies treated include:

  • Degenerative disc disease
  • Corneal diseases
  • Head trauma
  • Muscle, tendon & ligament injuries
  • Pain management for trauma & post surgical wounds
  • Inflammation & swelling
  • Wound healing including degloving injuries & more

Webinar discusses:

  • Basic mechanisms of Low Level Light (Laser) Therapy
  • Integration of photomedicine into your clinical practice
  • Evidence Based Medicine
  • Case Studies
  • Patient assessment methodology in creating protocols most effective in particular pathological conditions
  • Marketing of LLLT within your practice
  • Return on Investment, income generation, patient outreach and unsuspected practice growth benefits will be covered in detail

There is no charge for the webinar and there will be time for questions at the end.

Attendees will comprehend the potential practice and career altering effects of Low Level Laser Therapy in the practice of veterinary medicine.

See a video preview of Ron.

To register please fill out the form below or call Valerie at 352-459-9917.

Your Name *

Your Email *

Profession *

Phone *

Country *

Your Message

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LLLT nomenclature: Cold Low Energy level Laser Soft Therapy Photobiomodulation Phototherapy – Whats in a name ?

Cold Laser NomenclatureAt the NZ2008 laser meeting  we debated  LLLT nomenclature, many scientists prefer to call it Photobiomodulation (and I agree this is the best name). Laser Biostimulation was used for some time by the American Society for Lasers in Surgery and Medicine, who recently adopted Photobiomodulation instead. Pubmed have chosen LLLT (stands for Low Level Laser Therapy) as the MeSH term (MeSH stands for Medical Subject Heading) however they have used that label for almost every form of medical laser treatment (low level or otherwise). Low Level Laser Therapy was a term coined by Oshiro and Calderhead back on the 1980′s.

Here are some words and phrases I have collected over the years:

Bioregulating Laser
Biostimulating Laser
Broad Band Radiation Therapy
Class IV laser Therapy
Cold Laser Therapy
Diode Laser Therapy
He-Ne Laser therapy
Helium-neon laser irradiation
HILT (High Intensity Laser Therapy)
Infrared laser light
Laser Acupuncture
Laser Biostimulation
Laser Irradiation
Laser Phototherapy
Laser Therapy
LED phototherapy
LED therapy
LELT (Low Energy Laser Therapy)
LEPT (Low Energy Photon Therapy)
Light Therapy
light-emitting diode phototherapy
LILT (Low Intensity Laser Therapy)
LLLT (Low level Laser Therapy)
low fluence diode laser irradiation
low level light treatment
Low Light Laser Therapy
Low Power Laser Irradiation
Low Power Laser Therapy
Low Reactive Level Laser Therapy
lower-level laser therapy
Mid Laser Therapy
Moderate intensity light ( MIL)
Monochromatic Infra Red Energy
Monochromatic Infrared Photo Energy
Monochromatic Light Therapy
Monochromatic phototherapy
near-infrared light therapy
NIR laser therapy
nonablative laser therapy
PBM (Photobiomodulation)
Photo Irradiation
Photobioactivation
Photobiomodulation
Photobiostimulation
Photomedicine
Photon Therapy
Photoradiation
Photostimulation
Phototherapy
Physiotherapy Laser
Polarised Polychromatic Light
Polarised Radiation
Red light phototherapy
Soft Laser Therapy
Therapeutic Laser
Medium-level laser therapy

It is also common for laser wavelength and / or lasing medium to be added to the title . common examples are 810nm laser diode therapy for xyz. In case you are not familiar with the common wavelengths and materials used they are: 660nm 810nm 830nm 904nm

Full list as follows: 590nm 632.8 650nm 635nm 660nm 670nm 680nm 750nm 780nm 705nm 908nm 810nm 820nm 830nm 850nm 870nm 880nm 890nm 904nm 905nm 950nm 940nm 970nm 980nm 1064nm

Materials: GaAlAs, Gallium Aluminium Arsenide, GaAs, Gallium Arsenide, HeNe, Helium Neon, AlGaInP, Aluminium Gallium Indium Phosphide,

Some class IV surgical lasers are being detuned down to LLLT intensities (defused beam) so you will find other materials and wavelengths appearing CO2 and NdYag 940nm 970nm 980nm 1064nm

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LLLT Low level cold class IV laser therapy. Treat the skin directly, preferably in contact (or very close).

oh dear, I hope that none of this audience (you) are attempting to treat through clothing. Light does not go through clothing very well (if at all). You must treat the skin directly, preferably in contact (or very close).

These examples will not work

Screen Shot 2014-01-17 at 10.16.59 Screen Shot 2014-01-17 at 10.16.40 Screen Shot 2014-01-17 at 10.16.13 Screen Shot 2014-01-17 at 10.14.44 Screen Shot 2014-01-17 at 10.14.29 Screen Shot 2014-01-17 at 10.12.47

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