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  • Title: Use of Ultrasonically Interdigitated Anchors in Haglund's Deformity Correction Surgery.
    Author: Warren B, Black N, Linscheid L, Panchbhavi V, Janney C.
    Journal: Foot Ankle Spec; 2021 Apr; 14(2):148-152. PubMed ID: 32129098.
    Abstract:
    Haglund's deformity is a common cause of foot pain, with high success rates of surgical intervention. Because early weightbearing rehabilitation correlates with better surgical results, the integrity of anchors employed in these surgeries needs to be evaluated for proper fixation strength, leading to improved postoperative outcomes. The ultrasonically interdigitated anchor is a biodegradable suture anchor that is melted into bony trabeculae using ultrasound, leaving a small biological footprint and less interference on computed tomography and magnetic resonance imaging scans, without loss of fixation strength. We performed a review of 44 patients aged 26 to 84 years treated with either ultrasonically interdigitated anchors or fully threaded titanium anchors during Haglund's deformity excision. Overall, 7 of 14 patients who received an ultrasonically interdigitated anchor reported raw PROMIS (Patient-Reported Outcomes Measurement Information System) scores averaging 14.3, with an average return to ambulation time of 4.2 weeks. Fifteen of 30 patients receiving a fully threaded titanium anchor reported raw PROMIS scores averaging 9.7, with an average return to ambulation time of 3.5 weeks. We found little difference between the outcomes between the 2 anchors and no massive failures or infections in either group, implying that ultrasonically interdigitated anchors are a viable option for Achilles tendon reattachment during Haglund's deformity repair surgery.Levels of Evidence: Level III: Case control study.
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