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Painful, overuse tendon conditions have a non-inflammatory pathology
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Tendinitis such as that of the Achilles, lateral elbow, and rotator cuff tendons is a common presentation to family practitioners and various medical specialists.1 Most currently practising general practitioners were taught, and many still believe, that patients who present with overuse tendinitis have a largely inflammatory condition and will benefit from anti-inflammatory medication. Unfortunately this dogma is deeply entrenched. Ten of 11 readily available sports medicine texts specifically recommend non-steroidal anti-inflammatory drugs for treating painful conditions like Achilles and patellar tendinitis despite the lack of a biological rationale or clinical evidence for this approach. 2 3
Instead of adhering to the myths above, physicians should acknowledge
that painful overuse tendon conditions have a non-inflammatory pathology. Light microscopy of patients operated on for tendon pain
reveals collagen separation4-6
thin, frayed, and fragile tendon fibrils, separated from each other lengthwise and disrupted in
cross section. There is an apparent increase in tenocytes with myofibroblastic differentiation
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