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Introduction/Purpose: Minimally invasive dorsal cheilectomy (MIDC) has become a popular alternative to an open approach for treating Hallux Rigidus, although the current literature is divided on its effectiveness regarding complications and patient reported outcomes. To combat a portion of the complications related to the MIDC approach, a first metatarsophalangeal (MTP) joint arthroscopy can often be added to the procedure. The combined procedure has been demonstrated to be effective at improving patient reported outcomes without increasing the complication rate relative to an open procedure. This study looks to examine the effectiveness of the MIDC with first MTP arthroscopy procedure in patients with hallux rigidus with minimum 1 year follow up. Methods: This was a multicenter retrospective review was conducted for adult patients treated with MIDC and first MTP arthroscopy between 3/1/2020 and 8/1/2022, with at least one year of postoperative follow-up data. Patient charts were reviewed for demographic information, operative time, pre and postoperative first MTP range of motion (ROM), visual analog scale (VAS), Manchester-Oxford Foot Questionnaire (MOXFQ), and EQ5DLD scores. Continuous data was expressed as a mean and standard deviation, categorical data was expressed as a percentage. Wilcoxon Rank Sum test was used to compare continuous variables. All P < 0.05 was considered significant. Results: A total of 31 patients were included in the study with an average follow-up time of 16.5 months (range: 12 to 26.2). There was 1 (3.2%) complication of an underservice EHL tendon tear, 2 (6.5%) patients were converted to a MTP fusion, and 1 (3.2%) patient underwent revision cheilectomy and capsular release for MTP joint contracture. There was a significant improvement in patient’s ROM in dorsiflexion (50 vs 89.6 degrees, P=0.002), but not in plantarflexion (11.3 vs 18.6 degrees, P=0.07). There was a significant improvement in patient’s postoperative VAS pain scores (6.4 vs 2.1, P< 0.001), MOXFQ pain scores (58.1 vs 30.7, P=0.001), MOXFQ Walking/Standing scores (56.6 vs 20.6, P=0.001), MOXFQ Social Interaction scores (47.3 vs 19.36, P=0.002), and MOXFQ Index scores (54.7 vs 22.4, P< 0.001). Conclusion: We found that MIDC with first MTP arthroscopy was effective at improving patient reported outcomes, specifically patient’s pain scores, at one year with low complication and revision rates. These results demonstrate MIDC and first MTP arthroscopy’s is an effective treatment for early-stage hallux rigidus and may be considered as an alternative to an open approach.

Introduction/Purpose: Insertional Achilles tendinopathy (IAT) is a common source of posterior heel pain treated by orthopaedic foot and ankle surgeons. Traditional surgical treatment consists of an open Achilles tendon debridement with re-attachment as well as excision of the posterosuperior calcaneal prominence with or without a gastrocnemius recession. However, frequent complications include wound healing issue, scar pain, weakness and sural nerve injury. Accordingly, the percutaneous ZO is gaining popularity in the field as an alternative to an open midline splitting approach. Limited literature exists describing outcomes of the percutaneous ZO using a larger sample size. The purpose of this study was to analyze patient reported outcomes and complications after percutaneous ZO with a minimum two-year follow-up period. Methods: One hundred and eight cases treated with percutaneous ZO were retrospectively reviewed across October 2017-July 2021 and outcomes data was available for 104 cases with a minimum two-year follow-up. Patient sex, age, and pertinent comorbidities were recorded. Postoperative complications and patient satisfaction following intervention were evaluated. Foot Function Index score (FFI) was utilized to measure patients’ pain and functional outcomes. Visual Analyzing Scale score (VAS) was also utilized to evaluate pain. These measurements were taken at preoperative and final follow-up. Statistical comparisons were performed using two-tailed, paired t-test with p< 0.05. Results: Mean follow-up time was 41.2±13.1 months (range 24-65 months). The mean FFI score improved from 56.1±5.9 (range 47-88) preoperatively to 11.0±5.1 (range 7-59) postoperatively (p < 0.001). Average VAS score improved in patients receiving percutaneous ZO from 7.6±1.3 (range 5-10) to 0.4±0.9 (range 0-7) postoperatively (p < 0.001). The overall complication rate was 3.8% (N =4). Of 104 cases, 98.1% of patients were satisfied with their procedure (102/104). Conclusion: The percutaneous ZO is a safe and highly effective intervention for treatment of IAT. At a minimum of two-years follow-up, this intervention is associated with minimal complications, improved functional outcomes, reduced pain, and high patient satisfaction. Table 1 Functional and subjective pain preoperative and postoperative scores as evaluated by functional foot index (FFI) and visual analogue scale (VAS), respectively

Introduction/Purpose: Evidence in the literature suggests the negative effects of using High Heels (HH), becoming a challenge for clinicians and researchers since they are welcomed by women worldwide, mainly due to the subjective power of attractiveness given to them. Although some people blame HH as one of the causes of Hallux Valgus (HV), until now, there are no studies in the literature that effectively prove a cause-effect relationship between HH and HV. The objectives of this study are: (1) to analyze whether the increase in heel height can lead to HV and (2) to evaluate whether HV can increase in severity with increasing heels. We hypothesized that an increase in heel height could cause and increase the severity of HV deformity. Methods: Comparative cross-sectional study. Forty-one feet from twenty-one participants (11 males and 10 females, aged 30.8 ± 8.9 years, and with Body Mass Index 25.5 ± 2.0 m kg2) were recruited. HH shoes were designed for this study with three heights for each participant: 3, 6, and 9 cm. The inclusion criteria were: no regular wearing of heels. The exclusion criteria were: Hallux Valgus diagnosis and/or any orthopedic conditions that affect the Foot and Ankle joints. Hallux Valgus Angle (HVA), Intermetatarsal Angle (IMA), First-Metatarsal Phalangeal Angle, 1st-to-5th Intermetatarsal Angle, First Tarsometatarsal Angle (axial), Second tarsometatarsal angle (axial), Hindfoot Moment Arm (HMA) (mm), Saltzman 45 angle and, Foot Ankle Offset (FAO) were measurement using semiautomated software analysis. Multiple comparisons were performed (Bonferroni's for normal distributions and Wilcoxon test for no normal distributions) when there was a main effect on an outcome (p < 0.05). Results: With the increase in HH, we noticed a progressive increase in HVA (p < 0.001), IMA (p < 0.001), First-Metatarsal Phalangeal Angle (p < 0.001), First Tarsometatarsal Angle (axial) (p < 0.001), and the Second tarsometatarsal angle (axial) (p < 0.001). The Hindfoot Moment Arm (HMA) (mm), Saltzman 45 angle, and Foot Ankle Offset (FAO) had hindfoot varization behavior. When we stratified the groups and compared them, we noticed that an increase of 3 cm in heels slightly increased HVA and IMA (p > 0.05). However, heel increases above 6 cm significantly increased HVA and IMA (p > 0.001). Based on Coughlin's classification, a 3 cm heel increase promoted a mild HV and increases above 6 cm caused a moderate HV. Conclusion: Based on data from our study with patients without Hallux Valgus through analysis with WBCT versus high heels, we conclude that increasing heel height can lead to Hallux Valgus and can progressively increase the severity with increasing high heels. High heels above 6 cm can lead to moderate Hallux Valgus. These findings may be an essential step toward a better understanding of the effects of increasing high heels on Hallux Valgus pathology.