The implant does not significantly change the intradiscal pressures at the adjacent levels, yet it significantly unloads the intervertebral disc at the instrumented level in the neutral and extended positions. On the basis of the current findings, it does not appear that the implant causes accelerated disc degeneration at the adjacent levels.
Drilling the femoral tunnel through the low anteromedial portal resulted in a more oblique femoral tunnel position compared to the TT technique. Clinically, the low anteromedial portal may allow to better restore the anatomic orientation of the ACL.
Fractures of the lateral process of the talus have been associated with snowboarding, so much so that they have earned the nickname “snowboarder’s ankle”; these typically occur with relatively low-energy injuries when compared with fractures of the talar head, neck, and body. We have observed that snowboarding portends a higher risk of talus fractures when compared with skiing and can include higher energy injury patterns. This study describes a series of talar head, neck, and body fractures caused by snowboarding, their treatment, and outcomes. A retrospective chart review was performed on all surgical cases collected from 2007 to 2012 to include talar head, neck, body, or lateral process fractures sustained while snowboarding. Radiographs were reviewed and the fractures were characterized. Questionnaires, including the Foot and Ankle Disability Index (FADI), were mailed to the patients. The pre-operative reports, surgical treatments, and outcomes were evaluated. Nine patients were identified with fractures of the talus caused by a snowboarding injury. One patient sustained an isolated talar head fracture, three sustained isolated talar neck fractures, one patient had an isolated talar body fracture, and two patients had isolated lateral process fractures. Two patients had a combination of talar injuries. At 2.5 years mean follow-up (range 6 months to 5 years), none of the patients developed avascular necrosis, nonunion/malunion, or required subsequent surgery. FADI scores indicated good to excellent results post-operatively.
The purpose of this retrospective case series was to review the demographics of alpine skiers who sustain tibial plateau fractures, evaluate the inter-observer reliability of the Schatzker classification for fractures sustained while alpine skiing, and to evaluate patient-reported outcomes. We hypothesized that most tibial plateau fractures would be low-energy fracture patterns (Schatzker I–III) and occur in women and less-experienced skiers. Charts and radiographs of patients treated surgically for tibial plateau fractures caused by alpine skiing were evaluated. Patients treated less than two years prior to review were excluded. Patients who qualified were contacted to complete a questionnaire regarding their skiing experience, their pain levels experienced following their accident, the weather conditions during the accident, and their return to sport. Forty-seven patients met the inclusion criteria. The mean age was 49, and 60% of the participants were male. There were 28 low-energy fracture patterns (Schatzker I–III) and 19 high-energy patterns (Schatzker IV–VI) with a 95.7% inter-observer reliability. Contrary to the hypothesis, tibial plateau fractures sustained while alpine skiing occurred in older, experienced riders. Approximately 40% were high-energy fractures. Although over 75% of patients reported having no pain or occasional pain at their final follow-ups, less than half of the patients returned to alpine skiing.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.