achillodynia tendon overuse injury
Conditions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Pain on palpation 2-7 cm proximal from the tendon insertion ("midportion") 2.Symptoms > 2 months 3.Age 18-70 years
Exclusion criteria
Exclusion criteria: 1.Insertional Achilles tendinopathy 2.Achilles tendon rupture 3.Tenosynovitis of the plantar flexors 4.Sural nerve pathology 5.(sub)luxation mm. Peroneï 6.Suspicion of a systemic disease:spondylarthropathy, gout, hyperlipidemia, Rheumatoid Arthritis en sarcoidosis 7.Inability to perform a heavy load exercise programme 8.Previous performance of heavy load eccentric exercise programme according to Alfredson et al. (12 weeks) 9.Previous injection with PRP for the same injury 10.Unwillingness of the patient to participate in one of the two treatment groups 11.presence of a pregnancy 12.Prescribed drugs with a putative effect on symptoms and tendon healing, for example quinolone antibiotics
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary outcome measurement: VISA-A score, a validated instrument to detect the severity of symptoms in patients with Achilles tendinopathy. | — |
Secondary
| Measure | Time frame |
|---|---|
| As secondary outcome measurements subjective patient satisfaction and return to sports will be rated. For the evaluation of tendon repair, Ultrasonographic Tissue Characterization (UTC) and Power Doppler ultrasound (PDU) will be performed. UTC was developed, that provides quantitative information on tendon fiber alignment and the related ultra-structural integrity of the tendon tissue through a non-invasive approach. | — |
Countries
Netherlands