Insertional Achilles Tendinopathy Clinical Trial
Official title:
Reinsertion Achilles Tendon VS Zadek Osteotomy in Insertional Achilles Tendinopathy: a Randomized Controlled Trial
The aim of this study is to Compare functional outcome and the recovery time of reinsertion of achilles tendon VS zadek osteotomy in insertional achilles tendinopathy.
Insertional Achilles tendinopathy is characterized by chronic posterior heel pain associated with posterosuperior calcaneal exostosis or intratendinous ossification. The etiologies include retrocalcaneal exostosis, the diseased tendon, enthesopathy, and Haglund's deformity. The nonsurgical therapies, such as physical therapy, stretching and strengthening of the gastrocnemius-soleus muscle complexes, nonsteroid anti-inflammatory drugs, and footwear modifications, are chosen as the initial treatment. Local injection of the steroid is not recommended because it might lead to increase risk of tendon rupture. Surgical intervention is a suitable option when conservative treatment for more than 6 months has failed. Open detachment with reattachment of the Achilles tendon is a common surgery combined with calcaneoplasty and debridement of the retrocalcaneal bursitis and pathologic Achilles tendon. Suture techniques using bone anchors have been described to reattach the Achilles tendon with excellent results. percutaneous Osteotomy is another option, first described by Zadek in 1939 which was later modified in 1965. zadek osteotomy is a dorsal closing wedge calcaneal osteotomy that allows the tuberosity of Haglund deformity to be brought forward. This operation can change the calcaneus' anatomical length and elevate the distal insertion point of the AT. The rationale of a ZO was to reduce the impingement between the anterior aspect of the Achilles tendon and the superior angle of the posterior calcaneal tuberosity. By shortening the calcaneus and altering the orientation of the Achilles tendon fibers it is believed to decrease stress across the tendon at its insertion. ;
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