dimanche 4 octobre 2015

Tendinopathy is the sign of microruptures and not of inflammmation

9 tendinopathy truths that you MUST know

4th August 2015 | By Dr Peter Malliaras

There is a lot we do not know about tendinopathy, but there are some inalienable truths that you should know as a clinician and patient. (the references below provide proof).

1)Tendinopathy does not improve with rest – the pain may settle but returning to activity is often painful again because rest does nothing to increase the tolerance of the tendon to load.
2)There is NO good evidence that these injury are caused by inflammation. There are some inflammatory biochemicals involved, so antiinflammatories do have a role sometimes, but they can also be unhelpful at other times.
3)Tendinopathy can be caused by many different risk factors. The main factor is overuse or simply too much of certain activities – these activities include 1) those that require the tendon to store energy (i.e. walking, running, jumping), and 2) loads that compress the tendon. Some people are predisposed because of biomechanics (e.g. strength, etc) or systemic factors (e.g. age, menopause, elevated cholesterol, etc). Predisposed people may develop tendon pain with even subtle changes in their activity.
4)Exercise is the most evidence based treatment for tendinopathy – tendons need to be loaded progressively so that they can develop greater tolerance to the loads that an individual needs to endure in their day-to-day life. In a vast majority of cases tendinopathy will not improve without this vital load stimulus.
5)Modifying load is important in settling tendon pain. This often involves reducing (at least in the short-term) abusive tendon load that involves energy storage and compression.
6)Pathology on imaging is NOT equal to pain – pathology is common in people without pain. Also, if you have been told you have ‘severe pathology’ or even ‘tears’ this DOES NOT necessarily mean you will not get better or have a poorer outcome. Further, we know that even with the best intentioned treatment (exercise, injections, etc) the pathology is not likely to reverse in most cases. Therefore, most treatments are targeted towards improving pain and function, rather than tissue healing, although this still is a consideration.
7)Tendinopathy rarely improves long term with only passive treatments such as massage, therapeutic ultrasound, injections, shock-wave therapy etc. Exercise is often the vital ingredient and passive treatments are adjuncts. Multiple injections in particular should be avoided, as this is often associated with a poorer outcome.
8)Exercise needs to be individualised. This is based on the individual’s pain and function presentation. There should be progressive increase in load to enable restoration of goal function whilst respecting pain.
9)Tendinopathy responds very slowly to exercise. You need to have patience, ensure that exercise is correct and progressed appropriately, and try and resist the common temptation to accept ‘short cuts’ like injections and surgery. There are often no short cuts.
Please note that these are general principles and there are instances when adjuncts, including injections and surgery are very appropriate in the management of tendinopathy. If in doubt please consult a clinician with experience in the evidence-based management of tendinopathy.
Abate M, Gravare-Silbernagel K, Siljeholm C, et al.: Pathogenesis of tendinopathies: inflammation or degeneration? Arthritis Research and Therapy. 2009, 11:235.
Cook J, Purdam C: Is compressive load a factor in the development of tendinopathy? British Journal of Sports Medicine. 2012, 46:163-168.
Littlewood C, Malliaras P, Bateman M, et al.: The central nervous system–An additional consideration in ‘rotator cuff tendinopathy’and a potential basis for understanding response to loaded therapeutic exercise. Manual therapy. 2013.
Malliaras P, Barton CJ, Reeves ND, Langberg H: Achilles and Patellar Tendinopathy Loading Programmes. Sports Medicine. 2013:1-20.

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