Background: Recurrence of deformity remains a concern when fusing the first tarsometatarsal joint for correction of hallux valgus (HV). A recently described construct adds an additional point of fixation from the plantar medial first metatarsal to the intermediate cuneiform. The purpose of this study was to determine the maintenance of correction of the first and second intermetatarsal angle, hallux valgus angle, and tibial sesamoid position after undergoing a first tarsometatarsal joint arthrodesis using the proposed construct. Methods: A radiographic review was performed of patients with HV treated with a first tarsometatarsal joint arthrodesis with the addition of a cross-screw intermediate cuneiform construct. Three observers reviewed radiographic data, including preoperative weightbearing, first weightbearing, and final weightbearing plain-film radiographs. Initial improvement and maintenance of intermetatarsal angle, hallux valgus angle (HVA), and tibial sesamoid position were evaluated radiographically. A total of 62 patients met inclusion criteria and were included in the study. Mean follow-up time was 9.3 months (SD 6.7). Results: Bony union was achieved in 60 of 62 patients (96.7%). Two of 62 patients required revision surgery as a result of recurrence (3.3%). Final mean improvement of the intermetatarsal angle (IMA) was 6.8 degrees (±2.9 degrees), HVA was 14.8 degrees (±7.5 degrees), and tibial sesamoid position was 2.4 (±1.4) positions. Mean loss of IMA correction was 1.5 degrees (±1.6), HVA was 2.9 degrees (±4.8 degrees), and tibial sesamoid position was 0.8 (±0.8). Conclusion: This study showed that the cross-screw intermediate cuneiform construct for first tarsometatarsal joint arthrodesis had a good union rate, a low complication rate, and maintained radiographic correction. Level of Evidence: Level IV, retrospective case series.
Total ankle replacement has become a viable alternative to ankle arthrodesis in the surgical management of advanced ankle arthritis. Total ankle replacement has generally been reserved for patients who are older and for those who will have a lower demand on the replacement. The purpose of the current study is to review patient outcomes, complications, and implant survival in patients younger than 55 years who underwent total ankle replacement at a single institution. A single-center chart and radiographic review was performed of consecutive patients who underwent total ankle replacement for treatment of end-stage ankle arthritis. All surgeries were performed by 1 of 5 fellowship-trained foot and ankle surgeons at a single institution. A total of 51 patients met inclusion criteria with a mean follow-up of 31.2 months (SD = 16.2). Implant survival was 94%, There were 7 major complications (13%) requiring an unplanned return to the operating room and 8 minor complications (15%) that resolved with conservative care. The results of this study show that total ankle replacement is a viable treatment option for patients younger than 55 years. Levels of Evidence: A retrospective case series
Background. Minimally invasive surgery of the forefoot has regained popularity as an alternative to traditional open procedures. Minimally invasive hallux valgus surgery has been shown to be effective and reproducible for the treatment of mild to moderate hallux valgus. The aim of this study is to identify vital structures that are at risk for iatrogenic damage while performing a minimally invasive distal chevron osteotomy due to limited direct visualization. Methods. Ten fresh-frozen below knee cadavers were used for this study. A minimally invasive distal chevron osteotomy and medial eminence resection with a 2.2 mm × 22 mm Shannon burr was performed on each cadaver. Each specimen was dissected to expose the potential structures at risk for injury during the procedure. Structures evaluated included the medial neurovascular bundle, first metatarsophalangeal joint capsule, extensor hallucis longus tendon, flexor hallucis longus tendon, abductor hallucis tendon, and the sesamoid apparatus. Results. Ten specimens were evaluated. The dorsal medial cutaneous nerve was directly injured in 5 of the 10 cadaver specimens and intact/uninjured in the remaining 5 specimens. The flexor hallucis longus, extensor hallucis longus, adductor tendon, sesamoid apparatus, and first metatarsophalangeal joint capsule were uninjured in all specimens. Conclusion. Minimally invasive chevron distal osteotomy and medial eminence resection has a high learning curve. The resection of the medial eminence may iatrogenically injure the dorsal medial cutaneous nerve. The incidence is higher in this study than prior reported cadaveric studies and may warrant extra care to protect vital structures. Level of Evidence: Level IV: Cadaver study
Background:Coronal plane deformity is common in patients who undergo total ankle arthroplasty. The correction of this deformity is paramount to the long-term survival of the implant. Coronal plane correction is achieved with soft tissue balancing and, in some part, is maintained through articular geometry constraint. The purpose of this study was to assess the influence of tibial component stem length on the coronal plane stability.Methods:A consecutive case series of stemmed implants that met inclusion criteria were reviewed to determine the correction and maintenance of the correction of coronal plane deformity with special emphasis on the effect of modular tibial stem lengths of 2 and >2 segments. Twenty patients received a tibial component with 2 stem segments, and 23 patients received a tibial component with >2 stem segments. At an average patient age of 62.1 years at implantation, there was no significant difference between the 2 cohorts with respect to preoperative deformity or demographics.Results:Our case series had a mean coronal deformity of 5.7 degrees, with valgus being more common than varus. At a mean final radiographic follow-up of 266.3 days after the first postoperative weightbearing radiography, coronal deformity increased by 0.4 degrees ( P = .031). From the first postoperative measurement to the last postoperative measurement, there was no difference in mean coronal plane ankle deformity change between patients who received 2 stem segments and patients who received >2 stem segments ( t = −1.14, df = 41, P = .259).Conclusion:Coronal plane deformity had a tendency to recur, albeit at a much smaller angle than preoperatively. This recurrence of deformity did not occur because of tibial component movement. Tibial stem lengths of >2 segments did not influence the maintenance of correction of coronal plane deformity or the stability of the tibial component in the coronal plane.Level of Evidence:Level III, retrospective comparative series.
The analysis showed a statistically significant improvement in attitudinal change scores. The study suggests that there needs to be a greater knowledge acquisition component to the cultural competency course at CPMS.
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