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BACKGROUND: Examination of value in health care has become a national priority in the United States. Regional variation in health care costs is an area of focus among national policy experts. Procedural cost data can be used to provide physicians with information to evaluate costs and value. PURPOSE: To perform a cost review for anterior cruciate ligament (ACL) surgery to document the degree of variation in costs for ACL reconstruction. STUDY DESIGN: Economic and decision analysis; Level of evidence, 4. METHODS: A procedural cost review was performed for isolated ACL reconstructions within a 22-surgeon, 7-hospital system. Five consistent cost categories under the influence of the surgeon were identified and were analyzed for cost variation among surgeons: tibial fixation, femoral fixation, graft choice, sutures, and tools or disposable instruments. RESULTS: For these 5 categories, the total costs to perform an ACL reconstruction (in 2013 US dollars) ranged from $392.80 to $4670.31, a difference of $4277.51 and a mean of $2039.09. Tibial fixation costs ranged from $95.00 to $760.00 (mean, $293.52). Femoral fixation ranged from $95.00 to $865.00 (mean, $367.14). The graft cost ranged from $1275.00 to $2545.75 (mean, $1976.43). Suture prices for each individual suture varied from $1.19 to $46.00 (mean, $18.26). Tools and disposable supplies ranged from $40.10 to $2136.00 (mean, $452.33). CONCLUSION: There were substantial differences in ACL reconstruction costs in the implant and disposable instruments categories. As health systems and physicians collaborate to improve health care quality and value for patients, information on cost variation will be important. Rational variation in health care cost is appropriate, reflecting variation due to the unique requirements of procedures and patient-centered care. Irrational variations in procedural costs are those that do not add additional value.

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Multiple systems for classifying osteochondritis dissecans (OCD) of the knee have been reported. These existing classification systems have some similar characteristics, such as stable lesion/intact articular cartilage and presence of a loose body. However, variations are found in the number of stages and specific lesion characteristics assessed. Currently, no system has been universally accepted. A future classification system should be developed that reconciles the discrepancies among the current systems and provides a clear, consistent, and reliable method for classifying OCD lesions of the knee during arthroscopy.

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Tibial eminence fractures are a relatively uncommon injury, but most frequently occur in children and adolescents with open physes. Entrapment of the intermeniscal ligament or the meniscus itself can occur in the setting of a tibial eminence fracture and when present, poses a significant obstacle to successful closed or surgical reduction. Identification of these entrapped structures on preoperative imaging may be helpful to the physicians caring for these patients and assist with preoperative planning. We present a case of a 13-year-old male who sustained a tibial eminence fracture while playing football. Review by the orthopedic surgeon identified entrapment of the intermeniscal ligament. Subsequently, a closed reduction attempt under anesthesia prior to surgery was unsuccessful and arthroscopy was needed to remove the entrapped intermeniscal ligament and reduce the tibial eminence fracture. Pre-operative knowledge of entrapped soft tissue structures under the fracture plane, particularly the meniscus and intermeniscal ligament, provides the surgeon with valuable insight as to how to best counsel patients on the success of treatment options, how to best prepare for operative treatment, and can guide the surgeon during open reduction to maximize treatment success.

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Multiple systems for classifying osteochondritis dissecans (OCD) of the knee have been reported. These existing classification systems have some similar characteristics, such as stable lesion/intact articular cartilage and presence of a loose body. However, variations are found in the number of stages and specific lesion characteristics assessed. Currently, no system has been universally accepted. A future classification system should be developed that reconciles the discrepancies among the current systems and provides a clear, consistent, and reliable method for classifying OCD lesions of the knee during arthroscopy.

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BACKGROUND: Knee injuries account for approximately one third of injuries in skiers. Researchers have proposed several mechanisms of knee injury in skiers. However, the frequencies of these mechanisms have varied in different studies. PURPOSE: To identify the most common knee injury mechanisms in recreational downhill skiers and to assess injury frequencies across several demographics. STUDY DESIGN: Descriptive epidemiology study. METHODS: Over 6 ski seasons, 541 patients with acute knee injuries completed a survey. Patients selected 1 of 6 injury classifications; age, sex, height, weight, years of experience, ability level, and ski binding release were also recorded. RESULTS: The overall injury distribution was valgus-external rotation (32.9%), phantom foot (22.5%), hyperextension (19.0%), boot induced (7.8%), collision (2.2%), and other (15.6%). The phantom foot mechanism was most common in ages 30 to 40 years (36.3% of all injuries within this mechanism; P < .01). Children and adults showed no significant difference in distribution of injury mechanism. Of 80 youth skiers, valgus-external rotation was most common (35.4%), followed by phantom foot (25.3%). Adult and youth skiers who identified as "advanced" skiers had a higher prevalence of valgus-external rotation than did less experienced skiers (51.5% of total valgus injuries; P < .01). Bindings released in 19.3% in adults and 53.7% in youths (P < .01) during injury. Female skiers comprised 60.0% of total respondents, but only 39.7% of injuries occurred in female children (P < .01). CONCLUSION: Valgus-external rotation is the most common injury mechanism for recreational skiers in general. Previous studies have suggested that the phantom foot injury is the most common injury, but in this series, it was the second most common, representing 22.5% of injuries in this study. Individuals between the ages of 30 and 40 years showed an increased risk for the phantom foot mechanism, and the prevalence of injuries was significantly higher for females compared with males in this cohort (P < .01). Children and adults appear to have similar mechanisms for ski-related knee injuries, with valgus-external rotation being most common and advanced skiers having the highest frequency of this mechanism. Binding release was more likely to occur in youth skiers.

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Bucket-handle meniscus tears are a common athletic injury that occur frequently in the adult population but are extremely rare in young children. A 5-year-old male patient presented with left knee pain after a minor fall to the ground. Complaints of pain with full weight-bearing, locking of the joint during walking, a significant limp, 45° flexion contracture of the knee, and an inability to bring the leg into full extension were noted during examination. MRI showed a large bucket-handle medial meniscal tear. The patient made a full recovery after undergoing arthroscopic repair surgery. Level of evidence Case report, Level IV.

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