Achilles tenodesis for calcaneal insufficiency avulsion fractures associated with diabetes mellitus
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Achilles tenodesis for calcaneal insufficiency avulsion fractures associated with diabetes mellitus Youngrak Choi1, Young-woo Kwon1, Young-suk Sim1, Taeho Kim1, Dayoung Song2 and Soohyun Lee1*
Abstract Background: Calcaneal insufficiency avulsion (CIA) fractures often present with neuropathic etiology, such as Charcot neuroarthropathy (CN). Under the same surgical procedures, the outcomes of CIA fractures are less desirable, compared to the outcomes of the traumatic calcaneal avulsion fractures. Here, the study suggests Achilles tenodesis technique using suture anchor after resection of the CIA fracture fragments could provide satisfactory clinical results in the cases of surgically indicated CIA fractures. Materials and methods: This retrospective study included seven patients of calcaneal avulsion fracture who had underlying diabetes mellitus (DM) and no specific traumatic event. The patients were treated with Achilles tenodesis techniques for their CIA fractures. Achilles tenodesis was performed using suture anchor with removal of the fracture fragments. The patients were evaluated with the Foot and Ankle Outcome Score (FAOS), visual analogue scale (VAS), single-heel rise test, and X-ray images on their final follow-ups. Results: Initially, three of the CIA fracture cases treated with traditional open reduction and internal fixation reported pullout failure. Consequently, all patients received Achilles tenodesis using suture anchor after bone fragment resection and had good clinical outcomes. Only one subject with low compliance reported poor outcome. The FAOS of each patient were obtained at a mean of 16.3 months after surgery. The results are as follows: pain 80.6 (SD = 6.2), symptom 83.8 (SD = 4.9), activities of daily living 80.5 (SD = 8.0), sport and recreation function 75.6 (SD = 11.93), and foot- and ankle-related quality of life 77.9 (SD = 6.7). On their final follow-ups, the average VAS was 2.6 (range, 1 to 4). Conclusion: Achilles tenodesis using suture anchor after bone fragment resection achieved competent clinical results in the patients with CIA fractures. The study proposes that this surgical procedure could be an appropriate treatment option for patients with CIA fractures. Trial registration: The study was approved by the institutional review board (IRB) of our medical center (IRB File No. 2016-07-043), retrospectively registered. Keywords: Calcaneal avulsion fracture, Insufficiency fracture, Achilles tenodesis, Charcot Neuroarthropathy
Background Calcaneal avulsion fracture is an uncommon fracture, and calcaneal insufficiency avulsion (CIA) fracture associated with Charcot neuroarthropathy (CN) is particularly unusual [1, 2]. CIA fracture is caused by normal or physiologic activity and is common in elderly diabetic patients [3]. * Correspondence: [email protected] 1 Department of Orthopedic Surgery, CHA Bundang Medical Center, CHA University, 16, Yatap-ro 65-beon-gil, Bundang-gu,, Sungnam-si, Gyunggi-do 13497, Republic of Korea Full list of author information is
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