Several articles support the use of cancellous iliac crest bone grafting in the treatment of clavicle nonunion; however, there is very little literature on the use of tricortical iliac crest grafts in the setting of clavicle nonunion with bone loss. When it has been studied, tricortical grafting has been shown to produce radiologically confirmed union in the clavicle, leaving patients satisfied with the ultimate outcome. We present two cases of clavicle fracture nonunion successfully treated with tricortical interposition bone grafting. In the first case, a 45-year-old female presented with an atrophic left midshaft clavicle fracture nonunion with failed hardware that had undergone two previous attempts at fixation without achieving union. She was treated with a structural interposition iliac crest bone graft with plate fixation and regained full painless function of the arm with radiographic fracture union. In the second case, a 50-year-old male presented after a left midshaft clavicle fracture that had undergone acute stabilization, followed by revision for nonunion that was unsuccessful, resulting in persistent nonunion with bone loss. He was treated with a tricortical iliac crest bone graft and plate fixation. Cultures from the time of surgery did grow Staphylococcus epidermidis and Propionibacterium acnes, and he was treated with intravenous vancomycin for six weeks. The patient’s clavicle went on to union and he regained full, painless function by his six-month follow-up visit. These cases demonstrate the use of tricortical interposition bone grafting with compression plating as a viable option for rare instances in which previous surgical intervention has failed to progress a midshaft clavicle fracture to union.
Introduction: The goal of this research project was to retrospectively evaluate the effect of a voluntary hands-on musculoskeletal knee exam workshop, presented to medical students in the family medicine rotation at the University of Toledo, on the outcomes of a required objective structured clinical examination (OSCE). Methods: We analyzed student OSCE scores for both knee and back exams before (July 2011 to June 2012) and after (August 2013 to June 2015) the workshop was offered. The analysis was based on those who attended the voluntary knee exam workshop and those who did not. We compared scores between the two groups of students using two-tailed t testing and χ2 testing, and assessed the correlation of attending the workshop to passing the knee OSCE. Results: One hundred eighty-seven students attended the workshop and 279 did not. During the period when the workshop was offered, the overall mean score on the knee OSCE was 59.5% for the 187 who attended the workshop and 35.9% for the 116 who did not, which was significantly different (P<.001). A χ2 test with α=0.05 showed that attending the workshop correlated with completing at least 70% of maneuvers acceptably during the knee OSCE (P<.001). Conclusions: Our study yielded positive outcomes on OSCE scores, comparable to other studies that investigated the effect of similar teaching techniques. Comparison of the scores of those who attended the knee workshop on the simpler back exam OSCE, in which no workshop was offered, demonstrated the efficacy of the workshop.
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