One of the most challenging joint conditions facing ankle surgeons today is the treatment of Osteochondritis Dissecans (OCD) of the talar dome. The use of human amniotic allograft (HAA) in various surgical procedures, has been proven to facilitate bone growth and both soft tissue and cartilage healing. The authors of this paper propose the addition of HAA to the surgical repair of talar dome lesions to improve postoperative results, specifically pain reduction. For the study, 37 patients were identified having an OCD lesion of the talus measuring no larger than 2 cm2. All patients were treated surgically with an arthroscopic micro-fracture repair along with the addition of HHA. Modified ACFAS ankle scores were taken pre-operatively and at 3 months, 12 months, and at 24 months postoperatively. Visual analog scores were also taken preoperative and 24 months postoperatively. The size of the talar lesions documented with pre-operative MRI’s was compared with intra-operative measurements for each patient. Additional surgical repairs, comorbidities and any complications were also recorded and evaluated. All patients were treated with micro-fracture with HAA. Postoperative ACFAS scores for 3 months, 12 months and 24 months were significantly improved (p < 0.0001) compared with average preoperative scores. Additionally, VAS scores were also significantly improved when comparing the average pre-operative (4.9) and post-operative (1.1) pain scores (p < 0.0001). The size of the lesions documented by pre-operative MRI correlated to intra-operative measurements. There were no identified complications. The addition of HAA to arthroscopic micro-fracture repair of talar dome lesions measuring less than 2 cm2 has shown to significantly improve both post-operative VAS scores, when compared to preoperative scores. This improvement in ACFAS and VAS scores speaks to the potential use of HAA in the treatment of OCD.
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