Foot and Ankle Surgery最新文献

{"title":"Plantar fascia thickness and fat-pad measurement at target points: A cost-beneficial and fast method in the diagnosis of plantar fasciitis.","authors":"Tevfik Çatal, İbrahim Esad Sapmaz, Mustafa Görkem Kaya, Alkan Bayrak, Murat Tıngır, Cemal Kural, Altuğ Duramaz","doi":"10.1016/j.fas.2025.06.001","DOIUrl":"10.1016/j.fas.2025.06.001","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate the diagnostic importance of ultrasonic imaging by assessing the thickness of the plantar fascia (F) and fat pad (FP) at different locations in the plantar region for the diagnosis of plantar fasciitis. Furthermore, the study sought to determine the correlation between angular measurements derived from direct radiography and measurements obtained via ultrasound imaging.</p><p><strong>Methods: </strong>The study measured the intermetatarsal angle(IMA), 1st metatarsophalangeal angle(MTPA), 1st interphalangeal angle(IPA), and medial longitudinal arch angle(MLAA) in weight-bearing foot radiographs of 94 patients (23 males and 71 females) with unilateral plantar fasciitis. The control group comprised asymptomatic feet from the same individuals. Fat pad and plantar fascia thicknesses were assessed with ultrasonic imaging(USG) at three different points. A proportion was established between fascia(F) and fat pad(FP) thicknesses. The study examined the correlations between USG and direct radiography measurements, both within and between groups.</p><p><strong>Results: </strong>A statistically significant difference was observed between the study group and the control group in various measurements. These include IMA measurements, plantar fascia thickness, and F/FP ratio measured at the calcaneal tubercle, as well as fascia thickness, fat pad thickness, and F/FP ratio measured in the midpoint of the medial arch (p = 0.024; p = 0.001; p = 0.001; p = 0.001; p = 0.008; p = 0.001 p<0.05 respectively). A significant correlation was discovered in the study group between F/FP measures in the calcaneal tubercle and MLAA.</p><p><strong>Conclusion: </strong>Our study revealed a noteworthy correlation between plantar fasciitis and an increase in plantar fascia thickness, an increase in the plantar fascia/fat pad ratio, and a decrease in the fat pad thickness measured at three distinct points. In our study, it was seen that the diagnosis of plantar fasciitis can be made with USG alone, which is a fast, cost-effective and easy-to-apply method by evaluating the thickening of the plantar fascia, the reduction in fat pad thickness, and their relative proportions.</p><p><strong>Level of evidence: </strong>Level III, Cross-Sectional Prospective Observational Study.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144334190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radiographic evaluation of ankle alignment using the hip-to-calcaneus view in patients with end-stage ankle arthritis.","authors":"Min Gyu Kyung, Jahyung Kim, Joonhee Kim, Kyoung Min Lee, Dong Yeon Lee","doi":"10.1016/j.fas.2025.06.003","DOIUrl":"https://doi.org/10.1016/j.fas.2025.06.003","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to compare various ankle alignment parameters in the hip-to-calcaneus (H-C) view and conventional whole-leg standing radiographs.</p><p><strong>Methods: </strong>We retrospectively reviewed 61 patients with end-stage ankle arthritis (Takakura stage 3b/4) who underwent ankle arthrodesis. Preoperative H-C views and conventional radiographs were used to measure the hip-knee-ankle angle, weight-bearing line percentage, talar tilt, and medial distal tibial angle. The percentage of the H-C axis crossing the talus was also analyzed for asymmetry and correlated with the tibiocalcaneal angle, talar tilt, and hip-knee-ankle angle.</p><p><strong>Results: </strong>Strong correlations were observed between the H-C view and conventional radiographs for the hip-knee-ankle angle (r = 0.88), weight-bearing line percentage (r = 0.90), and talar tilt (r = 0.87). The H-C axis asymmetry showed a strong correlation with tibiocalcaneal angle (r = -0.96).</p><p><strong>Conclusions: </strong>The H-C view is a reliable tool for assessing hindfoot and lower limb alignment in end-stage ankle arthritis.</p><p><strong>Level of evidence: </strong>III.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144318411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Endoscopic flexor hallucis longus transfer for acute Achilles tendon ruptures is associated with a high re-rupture rate: A prospective case series.","authors":"Tiago Soares Baumfeld, Victor Roberto Borges Barbosa, Breno Souza Dos Santos, Daniel Soares Baumfeld, Alexandre Leme Godoy-Santos, Stefan Rammelt","doi":"10.1016/j.fas.2025.05.009","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.009","url":null,"abstract":"<p><strong>Introduction: </strong>Achilles tendon rupture (ATR) is one of the most common injuries to the musculoskeletal system. Recently, endoscopic FHL transfer has been successfully used to treat acute injuries in soccer players, with good return to play rates and good functional outcomes. The aim of this study is to analyze patient-reported questionnaires, functional capacity assessment (FCA), and re-rupture rates following endoscopic FHL transfer for acute ATR.</p><p><strong>Methods: </strong>This is a prospective case series with 26 patients (15 men, 11 women, mean age 47.7 years) who suffered an ATR and underwent surgical reconstruction with a FHL endoscopic transfer, between March 2022 and December 2023. The minimum follow-up was 12 months. Postoperative assessments included the visual analogue pain scale (VAS), Victorian Institute of Sports Assessment - Achilles (VISA-A) score, Achilles total tendon rupture score (ATRS), AOFAS, EVA, as well as plantar flexion strength, hallux flexion strength, ankle mobility, single heel rise test and Lunge test and Achilles tendon resting angle.</p><p><strong>Results: </strong>Five out of 26 patients (19,2 %) had a re-rupture of the Achilles tendon between the second and the fourth postoperative week. Twelve months postoperatively, the pain measured by VAS was 0.5, the mean VISA-A score was 94.4 (95 % CI: 90.8-100), and the mean ATRS was 5.1. The plantar flexion strength and ankle mobility were significantly lower in the affected side when compared to the formerly unaffected side (p = 0.015 and p < 0.001, respectively). No wound healing problems or neurovascular or complications were observed.</p><p><strong>Discussion: </strong>Despite a cautious rehabilitation program, we observed an unacceptably re-rupture rate of 19.2 % in our sample when compared to other techniques. We therefore believe that this technique should not be used in very active patients who desire fast recovery after acute ATR because the risks may be too high.</p><p><strong>Conclusion: </strong>Endoscopic FHL transfer appears to be associated with a high re-rupture rate when used to treat acute Achilles tendon ruptures.</p><p><strong>Evidence level: </strong>IV, Case Series.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144295086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical efficacy of athletic taping-assisted physiotherapy for plantar fasciitis: A systematic evaluation and meta-analysis.","authors":"Weijia Song, Qianting Huang, Zhuyu Jiang","doi":"10.1016/j.fas.2025.05.013","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.013","url":null,"abstract":"<p><strong>Background: </strong>Plantar fasciitis is a common sports injury with long-term chronic pain in the heel as the main symptom, and athletic taping has achieved certain therapeutic effects to improve it, but the clinical efficacy of the problem is still controversial, which was evaluated by Meta-analysis to evaluate the clinical efficacy of the athletic taping technique on patients with plantar fasciitis.</p><p><strong>Methods: </strong>The Cochrane Library, Embase, PubMed, Web of Science, CNKI, Wanfang, and Vip databases were searched by computer for randomized controlled trial on the clinical efficacy of exercise taping in patients with PF from the time of construction to 1 September 2024, and the PRISMA 2020 checklist was strictly followed. Quality was assessed using the cochrane 2.0 randomized controlled trials scale by two independent reviewers. Endings were meta-analysis using RevMan 5.4.1 analysis software to analyse the data.</p><p><strong>Results: </strong>Eleven randomized controlled trial with a total of 395 patients were included. On VAS scores, KT effectively reduced VAS pain scores (MD=-0.79,95 % CI -1.10,-0.48, P < 0.00001); on AOFAS scores, KT improved AOFAS function scores (MD=6.58, 95 % CI 5.03,8.13, P < 0.00001) and the results remained consistent across intervention durations; on plantar fascia thickness measurements, KT significantly reduced plantar fascia thickness (MD=-0.33, 95 % CI -0.56,-0.10, P = 0.005); on BBS scores, KT significantly improved BBS scores [MD= 4.75, 95 % CI (3.17, 6.32), P < 0.00001]; on FFI-FPS scores, KT effectively improved FFI-FPS scores [MD = -2.59, 95 % CI (-3.50, -1.69), P < 0.00001]; on FFI-FDS scores, there was a significant improvement on FFI-FDS scores; on FFI-ALS scores, KT had a significant improvement on the FFI-ALS score had a significant effect [MD= -11.03, 95 % CI (-14.79, -7.27), P < 0.00001]; and on VAS scores after follow-up, the pain relief effect was sustained (MD=-1.03, 95 % CI -1.21, -0.85, P < 0.00001).</p><p><strong>Conclusion: </strong>Based on the available evidence, preliminary analyses suggest that KT combined with conventional rehabilitation may have some advantages in improving pain, ankle-hindfoot function, and plantar fascia thickness in patients with plantar fasciitis, and some of the efficacy is short-term sustained. However, due to the heterogeneity and sample size of the included studies, the above conclusions need to be further validated by more high-quality studies.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144235678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical and biomechanical outcomes of orthotic devices for progressive collapsing foot deformity: a systematic review and meta-analysis.","authors":"Hanieh Khaliliyan, Amir Reza Vosoughi, Mahmood Bahramizadeh, Amirhossein Zare, Majid Ansari, Farhad Ghaffari, Arash Sharafatvaziri","doi":"10.1016/j.fas.2025.05.012","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.012","url":null,"abstract":"<p><strong>Background: </strong>Progressive collapsing foot deformity (PCFD) represents a progressive medial longitudinal arch collapse of the foot. This study reviewed the clinical and biomechanical efficacy of orthotic interventions for PCFD.</p><p><strong>Methods: </strong>A systematic search was performed on Web of Science, PubMed, and Scopus, resulting in 14 studies. We used the ROBINS-I tool to evaluate the methodological quality. For the narrative synthesis, we summarized the results in a textual format, while for the meta-analysis, Standardized Mean Differences were computed from the results whenever feasible.</p><p><strong>Results: </strong>Major improvements were recorded in disability scores, pain intensity, and patient satisfaction. Orthotics decreased hindfoot eversion by 3-5° and increased forefoot plantarflexion by 6-9°. An ankle-foot orthosis with lateral extensions or an articulated design enhanced forefoot adduction and hindfoot inversion. Meta-analysis results indicate a 56.84 % improvement in the Foot Functional Index (95 % CI: 41.1-72.58) alongside a 28.53-point increase in the American Orthopedic Foot and Ankle Society Ankle/Hindfoot Scale (95 % CI: 22.66-34.4).</p><p><strong>Conclusions: </strong>Orthotic interventions are effective treatments for PCFD, reducing pain, improving function, and correcting pathological kinematics.</p><p><strong>Level of evidence: 2: </strong></p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144250444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surgical intervention yields superior results over conservative management in calcaneal-side calcaneofibular ligament rupture.","authors":"Jin Su Kim, Chul Hyun Park","doi":"10.1016/j.fas.2025.05.014","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.014","url":null,"abstract":"<p><strong>Background: </strong>To the best of our knowledge, no study has investigated complete calcaneal-side calcaneofibular ligament (CFL) rupture. This study was performed to compare the clinical and radiographic results of conservative and surgical treatments for acute ankle sprains with complete calcaneal-side CFL rupture.</p><p><strong>Methods: </strong>This study included 36 patients diagnosed with acute ankle sprain and complete calcaneal-side CFL rupture. The first 14 patients were treated conservatively (group C), and the remaining 22 underwent surgery (group S). Clinical results between the two groups were compared regarding their scores on the Cumberland Ankle Instability Tool (CAIT) and patient satisfaction with the treatment. Radiographic results were evaluated for the rupture status of the CFL on preoperative magnetic resonance imaging and stability of the ankle joint using a stress radiographs with Telos and manual anterior drawer test.</p><p><strong>Results: </strong>At the last follow-up, the mean CAIT score was significantly higher in group S than in group C (P < 0.001). The treatment dissatisfaction rate was significantly higher in group C (P = 0.003). In all cases, the proximal migration distance of the ruptured CFL significantly correlated with the incidence of Stener's-like lesions, in which the distal stump of the CFL was displaced over the peroneal tendons (R=0.721, P < 0.001). Stress radiographs showed no significant difference in postoperative instability between groups. In the manual anterior drawer test at the last follow-up, the proportion of stable ankles was significantly higher in group S than in group C (P = 0.02).</p><p><strong>Conclusion: </strong>Surgical treatment could improve clinical results and satisfaction in patients with acute ankle sprains and complete calcaneal-side CFL rupture.</p><p><strong>Level of evidence: </strong>III, Retrospective cohort study.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144250445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of radiological changes using computed tomography after treatment with suture-button fixation in syndesmosis injury.","authors":"Bi O Jeong, Jin Hyung Kim, Min Gyu Kyung","doi":"10.1016/j.fas.2025.05.011","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.011","url":null,"abstract":"<p><strong>Background: </strong>This study investigated radiological changes in syndesmotic injuries after suture-button fixation, from the immediate postoperative period to the resumption of daily activities.</p><p><strong>Methods: </strong>We retrospectively analyzed 38 patients who underwent syndesmosis fixation using a suture-button. Anterior difference (AD), posterior difference (PD), fibular translation (FT), and fibular rotation (FR) were measured on computed tomography scans and compared across time points and with the contralateral side.</p><p><strong>Results: </strong>AD and PD significantly increased preoperatively, decreased immediately postoperatively, and were slightly increased or maintained at 6 months, resembling the normal side. FT showed no significant changes over time. FR decreased immediately after surgery and slightly increased at 6 months, approaching values of the contralateral side.</p><p><strong>Conclusions: </strong>Suture-button fixation initially over-narrowed the syndesmosis compared to the normal side. However, with weightbearing and daily activities, the overcorrected syndesmosis gradually adjusted to resemble the uninjured side.</p><p><strong>Level of evidence: </strong>III.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144227202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Functional and return-to-sport outcomes after arthroscopic anatomic reconstruction of the lateral ligaments of the ankle.","authors":"D Ancelin, C Philippe","doi":"10.1016/j.fas.2025.05.010","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.010","url":null,"abstract":"<p><strong>Background: </strong>Chronic lateral ankle instability (CLAI) affects 20-40 % of patients following a lateral ankle sprain and is frequently managed with surgical reconstruction when conservative treatments fail. Although arthroscopic anatomic reconstruction techniques have been increasingly adopted, few studies specifically examine their functional outcomes and rates of return to sport (RTS).</p><p><strong>Objective: </strong>This study aimed to evaluate functional outcomes and RTS rates after arthroscopic anatomic reconstruction of the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) using gracilis autograft with a minimum follow-up of three year. Secondary objectives included assessing patient satisfaction and identifying predictive factors for RTS.</p><p><strong>Methods: </strong>Ninety-three patients who underwent isolated arthroscopic anatomic reconstruction of the ATFL and CFL for CLAI were retrospectively reviewed. Functional outcomes were assessed using the American Orthopaedic Foot & Ankle Society (AOFAS) Hindfoot Scale, the Simple Foot and Ankle Value (SFAV), and the Ankle Ligament Reconstruction-Return to Sport after Injury (ALR-RSI) scale. RTS and satisfaction rates were analyzed. Statistical analyses examined potential predictors for RTS, including preoperative sports activity level, age, and postoperative complications.</p><p><strong>Results: </strong>At a mean follow-up of 55.2 months (range: 36-93 months), 91.5 % of patients resumed sports, with 76.6 % returning to their preinjury level or higher. Mean functional scores included AOFAS (90.4 ± 11.6), SFAV (77.7 ± 17.7), and ALR-RSI (70,28 ± 19,86). Complications were reported in 8.6 % of cases, with one case of graft ruptures and surgical revisions.</p><p><strong>Conclusions: </strong>Arthroscopic anatomic reconstruction of the lateral ankle ligaments yields excellent functional outcomes and high RTS rates. The preoperative level of sports activity may influence postoperative RTS, highlighting the importance of preoperative patient counseling and individualized rehabilitation.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144227203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the impact of nicotine and non-tobacco nicotine use on postoperative complications following hallux valgus surgery.","authors":"Apurvakumar Patel, Joshua Wang, Teerth Y Patel, Megna Panchbhavi, Vinod K Panchbhavi","doi":"10.1016/j.fas.2025.05.008","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.008","url":null,"abstract":"<p><strong>Background: </strong>Nicotine use, including from non-tobacco sources, is associated with impaired wound healing and increased surgical complications. This study evaluated the impact of nicotine and non-tobacco nicotine use on postoperative outcomes in hallux valgus (HV) surgeries.</p><p><strong>Methods: </strong>Using the TriNetX Global Health Research Network, we analyzed adult patients aged 18 and older undergoing HV correction. Cohorts included nicotine users, non-tobacco nicotine users, and controls, matched using propensity score matching (PSM). Postoperative complications were assessed within 90 days.</p><p><strong>Results: </strong>Both nicotine and non-tobacco nicotine cohorts demonstrated increased postoperative complications compared to the control cohort, notably infections, wound disruption, stroke, pneumonia, and renal failure. Also, both nicotine and non-tobacco nicotine users showed elevated healthcare utilization, including emergency department visits and opioid-related disorders.</p><p><strong>Conclusions: </strong>Nicotine and non-tobacco nicotine use significantly increase the risk of postoperative complications following HV surgery, emphasizing the importance of mitigating these risks through further research and preoperative strategies.</p><p><strong>Level of evidence: </strong>Level III, Retrospective Comparative Study.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144144178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In vivo kinematic measurement of transfibular total ankle arthroplasty and natural ankles using bi-plane fluoroscopy.","authors":"Yukio Mikami, Satoshi Yamaguchi, Seiji Kimura, Yoshimasa Ono, Hideo Umekita, Manato Horii, Shotaro Watanabe, Takahisa Sasho, Seiji Ohtori, Scott A Banks","doi":"10.1016/j.fas.2025.05.004","DOIUrl":"https://doi.org/10.1016/j.fas.2025.05.004","url":null,"abstract":"<p><strong>Background: </strong>We aimed to evaluate the in vivo kinematics of transfibular fixed-bearing total ankle arthroplasty (TAA) and compared them with those of natural ankles.</p><p><strong>Methods: </strong>Eleven TAA patients and 11 participants with natural ankles performed weightbearing and nonweightbearing dorsi-plantarflexion, deep squats, and kneeling. The activities were recorded using bi-plane fluoroscopy. The joint angles for each activity were estimated utilizing the model-image registration technique.</p><p><strong>Results: </strong>TAA restored physiological kinematic patterns, with consistent inversion and internal rotation during plantarflexion. However, the range of motion in the TAA group was significantly reduced compared to those of the natural ankles group. In deep squat and kneeling postures, joint angles in the TAA group were only 30-40 % of those in natural ankles.</p><p><strong>Conclusion: </strong>Despite restoring physiological motion patterns, TAA demonstrated substantial limitations in mobility, emphasizing the need for advancements in surgical techniques and implant design.</p><p><strong>Level of evidence: </strong>IV.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144121209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}