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Background: Surgical treatment of insertional Achilles tendinopathy (IAT) historically consists of Achilles tendon debridement with reattachment and excision of the posterosuperior calcaneal prominence with or without a gastrocnemius recession. Zadek osteotomy (ZO) is an alternative to an open midline splitting approach. The purpose of this study was to analyze patient-reported outcomes and complications after percutaneously performed ZO with minimum 2 years' follow-up. Methods: One hundred eight cases treated with percutaneous ZO with a minimum 2-year follow-up were retrospectively reviewed. Postoperative complications and patient satisfaction were evaluated. Foot Function Index (FFI) and visual analog scale (VAS) scores were recorded at preoperative and follow-up appointments to measure patients' functional outcomes and pain, respectively. Results: Mean follow-up was 41.2 months (range, 24-65). Mean age was 51.8 years (range, 28-81). The mean FFI score improved from 56.1 (range, 47-88) to 11.0 (range, 7-59) postoperatively (P <.001). The mean VAS score improved from 7.7 (range, 5-10) to 0.4 (range, 0-7) postoperatively (P <.001). The overall complication rate was 3.8% (n = 4). Of 104 cases, 98.1% of patients said they were satisfied with their procedure (n = 102) when asked if they were satisfied with their ZO and recovery. Conclusion: We found the percutaneous ZO to be a safe and effective intervention for treatment of IAT. At a minimum of 2-year follow-up, this intervention is associated with minimal complications, improved function, reduced pain, and a high rate of patient satisfaction. [ABSTRACT FROM AUTHOR]

Background: Bunionette deformity (BD) is a painful condition of the fifth metatarsal characterized by an osseous prominence and fifth toe varus deformity. The purpose of this study is to assess the clinical, functional, and radiographic outcomes of percutaneous distal metatarsal metaphyseal osteotomy (DMMO) without fixation or postoperative strapping of the foot. Methods: A retrospective case series was performed on 111 patients (132 feet) with symptomatic BD who underwent percutaneous DMMO of the fifth metatarsal from September 2020 to January 2022 by an experienced minimally invasive surgeon. According to the Shimobayashi classification, we treated 1 type I deformity, 37 type II deformities, 52 type III deformities, 42 feet with type IV deformity, and no patient with a type V deformity. Ninety patients (81%) underwent unilateral osteotomy, and 21 (19%) had bilateral osteotomies. Most cases included other procedures including treatment of 114 associated deformities of the same feet: 68 bunions, 12 lesser metatarsal osteotomies (2-3-4 metatarsals), and 34 hammertoes (20 second hammertoes, 10 third hammertoes, 1 fourth hammertoes, 2 fifth hammertoes). Patient-reported clinical outcome measures, including the Foot Function Index (FFI) questionnaire, the visual analog score (VAS), and overall satisfaction were collected. Fourth-to-fifth intermetatarsal angle (IMA) correction, time to bone union, and complication rates were assessed in all patients. Results: Mean follow-up was 24.1 months (range, 14-39 months). Both radiographic parameters and patient-reported outcome measures significantly improved after DMMO procedure. The average fourth-to-fifth IMA improved from 12.2 degrees, preoperatively, to 4.4 degrees, postoperatively (P <.001). Patient outcomes reflect the overall outcomes of the combined surgeries on a per-patient basis. Preoperatively, patients had a mean VAS score of 7.6, which improved to 0.6 at the last follow-up (P <.001). Furthermore, the average FFI significantly decreased from pre- to postoperation from 19.2 to 4.4, respectively (P <.001). Overall, 108 of 111 patients reported being satisfied with the outcomes of the procedure. Average bone union was achieved at 12.6 weeks postoperation, with a minimum of 12 and a maximum of 25 weeks. The complication rate was 1.5%, including 1 case of an asymptomatic cock-up deformity and 1 case of lateral fifth metatarsal shaft bone overhang pain, which resolved with an exostectomy. Conclusion: The results of this study of patients who had minimally invasive surgery from an experienced surgeon suggest that percutaneous DMMO of the fifth metatarsal without internal fixation or postoperative immobilization or strapping can be effective at improving radiographic alignment, pain, function, and overall satisfaction with minimal rates of complication. Level of Evidence: Level IV, case series. [ABSTRACT FROM AUTHOR]

Background: Intraoperative fracture of the lateral cortex is common during Akin osteotomy. In a recent study, lateral cortex fracture did not impede healing or result in loss of correction in a combined cohort of open and percutaneous osteotomies stabilized by K-wire fixation. We hypothesize that undesired lateral cortex fracture will not affect radiographic correction and patient-reported outcomes in a percutaneous cohort stabilized by permanent, rigid screw fixation. Methods: Consecutive patients with hallux valgus who underwent first metatarsal osteotomy and percutaneous Akin osteotomy stabilized by permanent, rigid screw fixation between May 2020 and January 2022 were retrospectively reviewed. Patients were stratified based on fractured lateral cortex (FC) or its absence (nonfractured cortex [NFC]). Visual analog scale (VAS) and Foot Function Index (FFI) were used to assess pain and patient-reported outcomes at 1-year follow-up. Patients were polled for satisfaction at 1-year follow-up by yes/no survey. Results: Ninety-eight patients (89% female) were reviewed (98 feet; 43 NFC, 55 FC). Mean age was 48.3 years (range, 18-83 years). Mean preoperative VAS score was 7.5 and 7.7 in NFC and FC groups, which significantly decreased to 0.6 (P <.01) and 0.6 (P <.01), respectively. Mean total FFI was 53.9 and 54.2 and decreased to 17.9 (P <.01) and 17.2 (P <.01) in the NFC group and FC group, respectively. Overall, 97.8% of the NFC group and 96.4% of the FC group reported satisfaction. Mean HVA improved from 27.2 (16-42) degrees to 10.7 degrees (4-12) postoperatively in the NFC group. And in the FC group, HVA improved from 29.3 (19-39) degrees to 7.1 (4-12) degrees postoperatively. Postoperative HVA was significantly lower in the FC group (P <.05). Conclusion: In an exclusively percutaneous surgical cohort with correction maintained by rigid screw fixation, fracture of the lateral cortex is associated with improved postoperative radiologic alignment without detriment to patient-reported outcomes. Level of Evidence: Level III, retrospective cohort study. [ABSTRACT FROM AUTHOR]

The article focuses on a technique for performing the percutaneous Zadek osteotomy to treat insertional Achilles tendinopathy and Haglund deformity. Topics discussed include the benefits of minimally invasive surgery over traditional open techniques, a step-by-step surgical method, postoperative care recommendations, and potential outcomes and complications associated with the procedure.

Background: Hallux valgus is a common cause of pain and dysfunction of the foot, sometimes requiring surgical correction when conservative measures fail. Although there are many methods of correction, one of the newer techniques is minimally invasive chevron-Akin (MICA). The aim of the current study is to evaluate clinical and radiographic effectiveness of MICA and narcotic use in a large patient cohort. Methods: All patients in this retrospective study were treated by a single fellowship-trained foot and ankle orthopaedic surgeon. Patient demographics were collected for all cases. Preoperative and postoperative intermetatarsal angle (IMA) and hallux valgus angle (HVA) were measured in all patients on weightbearing 3-views radiographs. The Foot Function Index (FFI) was obtained pre- and postoperatively at each visit. All patients were prescribed regular use of ibuprofen for 3 days with acetaminophen and oxycodone reserved for breakthrough pain. Use of narcotic pain medication was recorded. Results: A total of 274 feet in 248 patients were included in the study. Overall, 87.9% were female and 12.1% were male. The mean preoperative IMA and HVA were 13.4 and 29.1 degrees, respectively. The postoperative IMA and HVA were 4.9 and 8.9 degrees, respectively. The mean FFI score part A was 92 preoperatively and 43 postoperatively. Patient satisfaction was 91.6%. The mean postoperative 5 mg oxycodone pill consumption was 2.2. Conclusion: MICA is good method to correct hallux valgus deformity with low postoperative narcotic use. Level of Evidence: Level III, restrospective cohort study of a single surgeon practice. [ABSTRACT FROM AUTHOR]

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Background: An association between hallux rigidus and metatarsus primus elevatus (MPE) has been suggested, although there remains no general consensus about the nature of this relationship. Past studies were limited due to inaccuracies of assessing MPE on 2-dimensional radiographs. The aims of this study were to (1) assess and compare foot alignment in patients with and without hallux rigidus using 3-dimensional (3D) reconstructions from weightbearing computed tomography (CT) and (2) assess intraobserver and interobserver reliability of these measurements. Methods: A prospective study was performed in 50 consecutive patients with symptomatic hallux rigidus and 50 control patients who underwent a weightbearing CT. Two investigators measured first and second metatarsal declination angles, first and second metatarsal lengths, first to second intermetatarsal angle (IMA), hallux valgus angle (HVA), and foot width on 3D CT reconstructions. Measurements were repeated after 1 month. Student t tests were performed to compare hallux rigidus and control groups. Intraclass and interclass correlation coefficients were calculated to evaluate reliability. Results: The first to second metatarsal declination ratio was less in patients with hallux rigidus (mean, 0.81) than controls (mean, 0.92; P < .001). Patients with Coughlin and Shurnas grade 3 and 4 hallux rigidus had greater first metatarsal declination than patients with grade 1 and 2 hallux rigidus. Last, IMA was higher (mean, 13 degrees) but HVA was lower (mean, 11 degrees) in patients with hallux rigidus than controls (IMA mean, 12 degrees; HVA mean, 15 degrees; P = .04). Intraobserver (ICC1,1 ⩾ 0.93) and interobserver (ICC3,1 ⩾ 0.85) reliability were good to excellent for all measured parameters. Conclusions: Patients with hallux rigidus had MPE. Patients with grade 3 and 4 hallux rigidus had more MPE than patients with grade 1 and 2 hallux rigidus. There was no clear correlation between hallux rigidus and bunions. Finally, weightbearing CT proved to be a reliable method of assessing all measured parameters. [ABSTRACT FROM AUTHOR]

Background: Capsular interposition arthroplasty is a joint- and motion-sparing procedure that has been shown as an effective alternative to fusion. This study aimed to evaluate patient function and satisfaction after long-term follow-up. Methods: Sixty-four patients were treated with capsular interposition arthroplasty for hallux rigidus by the senior author performed between February 1998 and July 2011. Twenty-two patients could not be reached for follow-up and were thus excluded from the analysis. Therefore, 42 remaining patients were evaluated using the visual analog scale (VAS), Foot Function Index (FFI), Short Form 12 (SF-12), and patient satisfaction scores. The mean follow-up was 11.3 (range, 4-16) years. Results: The mean VAS for pain was 7.9 preoperatively and 1.8 postoperatively (P = .003). The mean preoperative SF-12 physical score was 42.0 vs 64.2 postoperatively (P = .02). The mean preoperative SF-12 mental score was 50.7, while the postoperative SF-12 mental score was 54.6 (P = .01). The total FFI score also significantly improved, with a preoperative value of 98.3 and a postoperative mean score of 49.6 (P = .001). The mean patient satisfaction score was 7.4 of 10. Overall, 39 of 42 patients (92.9%) stated they would have the surgery again. Four of the 42 patients (9.5%) required conversion to hallux metatarsophalangeal fusion at a mean of 6.1 years after the index procedure secondary to pain, but no other complications were reported. Conclusion: Capsular interposition arthroplasty was a safe and effective treatment for severe hallux rigidus. These longer term results demonstrate a high level of patient satisfaction. [ABSTRACT FROM AUTHOR]

Background: The reliability of range of motion (ROM) measurements has not been established for the hallux metatarsophalangeal (MTP) joint in patients with hallux rigidus. The aim of the present study was to prospectively assess the clinical versus radiographic difference in ROM of the arthritic hallux MTP joint. Method: One hundred consecutive patients who presented with any grade of hallux rigidus were included in this prospective study to determine the hallux MTP range of motion. Clinical range of motion using a goniometer and radiographic range of motion on dynamic x-rays was recorded. Results: The mean difference between clinical and radiographic dorsiflexion was 13 degrees (P < .001). For all measurements, clinical dorsiflexion was equal to or less than radiographically measured dorsiflexion. The difference was significantly greater in patients with a clinical dorsiflexion of less than 30 degrees than in patients with 30 degrees or more. Radiographic measurement of hallux dorsiflexion had an excellent intra- and interobserver reliability. Conclusion: We describe a reliable, reproducible, and straightforward method of measuring hallux MTP ROM that improved upon measuring clinical ROM. Level of Evidence: Level II, prospective comparative study. [ABSTRACT FROM AUTHOR]