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Foot Ankle Int. 2019 Apr;40(4):390-397. doi: 10.1177/1071100718816052. Epub 2018 Dec 19.

Comparison of the Type of Fixation of Akin Osteotomy.

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1 Department of Orthopedics and Rehabilitation, University Hospital in Krakow, Krakow, Poland.
2 Department of Orthopedics and Physiotherapy, Jagiellonian University Collegium Medicum, Krakow, Poland.



The objective of the study was to assess the influence of the type of fixation of the Akin osteotomy when used during hallux valgus surgery.


Between 2013 and 2016, we performed 138 Akin osteotomy procedures employing a staple (group A, 43 patients), screw (group B, 47 patients), and single or double transosseous suture stabilization (group C, 48 patients). We assessed the pre- and postoperative interphalangeal angle (IPA), hallux valgus angle (HVA), and intermetatarsal angle (IMA) on dorsoplantar and lateral foot weightbearing x-rays and used the American Orthopaedic Foot & Ankle Society (AOFAS) hallux-metatarsophalangeal-interphalangeal scale for preoperative and 12-month postoperative follow-up clinical assessment. All the complications and costs of implant usage were recorded.


In all the groups, the average HVA (A: from 33.4 to 13.1 degrees; B: from 32.8 to 14.1 degrees; C: from 31.9 to 12.9 degrees), IMA (A: from 14.4 to 7.2 degrees; B: from 13.9 to 6.9 degrees; C: from 14.5 to 7.1 degrees), and IPA (A: from 12.1 to 5.6 degrees; B: from 11.7 to 6.0 degrees; C: from 12.5 to 5.9 degrees) decreased. The average AOFAS score improved in groups A (from 45 to 91 points), B (from 42 to 90 points), and C (from 42 to 91 points). We observed 1 recurrence after the single-tunnel suture fixation, 1 prominent screw, and 1 staple soft tissue irritation. We did not find a delayed union or nonunion.


The suture fixation of the Akin osteotomy provides results comparable to other forms of stabilization. The procedure is cost saving and helps to avoid hardware-related complications. Despite the type of bunion surgery used, fixation of the Akin osteotomy with suture was as good as more expensive and potentially more complicated fixation methods.


Level III, retrospective comparative study.


Akin; phalangeal osteotomy; suture fixation


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