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Endoscopic-assisted achilles tendon reconstruction with free hamstring tendon autograft for chronic rupture of achilles tendon: clinical and isokinetic evaluation



Endoscopic-assisted achilles tendon reconstruction with free hamstring tendon autograft for chronic rupture of achilles tendon: clinical and isokinetic evaluation



Arthroscopy 30(5): 622-628



To evaluate the clinical and functional outcome of endoscopic-assisted reconstruction of chronic ruptures of the Achilles tendon using free hamstring tendon autograft. We present a case series of 15 patients who had chronic ruptures of the Achilles tendon (>6 weeks earlier) and underwent endoscopic-assisted reconstruction with a free hamstring autograft. The graft loop was passed through and fixed to the proximal stump of the tendon. The graft was then passed through suture to the distal stump and finally inserted into a tunnel in the anterior calcaneus to the Achilles tendon insertion and fixed with an bioabsorbable interference screw. The mean follow-up period was 27 months (SD, 3 months; range, 24 to 33 months). All patients underwent magnetic resonance imaging preoperatively, immediately postoperatively, and at follow-up 2 years postoperatively. All patients were functionally evaluated with the American Orthopaedic Foot & Ankle Society (AOFAS) score for the hindfoot preoperatively and postoperatively. Calf muscle power was evaluated by isokinetic strength testing at 2 years' follow-up. The mean size of the gap on preoperative magnetic resonance imaging was 49 mm (SD, 9 mm). The mean preoperative AOFAS score was 32.6 (SD, 7.5). There was a statistically significant improvement in the postoperative AOFAS score after 2 years to 90.8 (SD, 3.54) (P < .05). The mean time of return to all daily activities (except running and other sports) was 12.6 weeks (SD, 1.39 weeks). Isokinetic testing showed a nonsignificant deficit (<10%) between the involved and uninvolved plantar flexors and dorsiflexors with regard to peak torque, average power, and total work. Endoscopic-assisted Achilles tendon reconstruction with free hamstring tendon autograft for chronic ruptures of the Achilles tendon showed good to excellent results in all patients. Isokinetic testing showed a nonsignificant deficit between the involved and uninvolved sides at 2 years' follow-up. Level IV, therapeutic cases series.

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Accession: 052969225

Download citation: RISBibTeXText

PMID: 24725316

DOI: 10.1016/j.arthro.2014.02.019


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