Abstract
Background
This study compares radiological and functional outcomes of patients with symptomatic Adult Acquired Flat Foot Deformity (AFFD) secondary to stage 2B Posterior Tibial Tendon Dysfunction (PTTD) treated with either a Subtalar Arthroereisis (SA) implant or a Lateral Column Lengthening (LCL) procedure. The aim of the study is to determine if the Subtalar Arthroereisis procedure is an acceptable surgical adjunct in our treatment armamentarium.
Materials and Methods
21 patients (22 feet) were evaluated. 12 consecutive patients (n = 12) underwent a Subtalar Arthroereisis procedure while 9 patients (n = 10) underwent a Lateral Column Lengthening procedure. Functional outcomes were evaluated using the American Orthopaedic Foot and Ankle Score (AOFAS) midfoot score, Short Form 36 (SF-36) and Visual Analog of Pain Scale (VAS), preoperatively and at 6 and 12 months postoperatively. 10 radiological parameters were analyzed. All complications were tabulated.
Results
Significant improvements in functional outcomes were noted in both groups of patients. Radiographically, some loss of correction was noted in the SA group and no loss of correction in the LCL group, respectively. In the SA group, 6 patients complained of sinus tarsi pain in the postoperative period and 4 required removal of implants. No implants were removed in the LCL group.
Conclusion
The results suggest that subtalar arthroereisis may be a reasonable procedure to utilize in the treatment of AAFD, albeit with a relatively high implant-removal rate.
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The collection and analysis of the data, as well as writing the manuscript were prepared by both the first and second authors of this paper. We thank senior author Mr. Gowreeson Thevendran for his invauable counsel and guidance without which this manuscript would not have been written.
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Fang Junxian, C., Kunnasegaran, R. & Thevendran, G. Surgical Management of Symptomatic Adult Pes Planovalgus Secondary to Stage 2B Posterior Tibial Tendon Dysfunction: A Comparison of Two Different Surgical Treatments. JOIO 54, 22–30 (2020). https://doi.org/10.1007/s43465-019-00011-7
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DOI: https://doi.org/10.1007/s43465-019-00011-7