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STUDY DESIGN A retrospective cohort study reporting the use of intraoperative computed tomography (CT) and image-guided navigation system for the placement of pedicle screws in pediatric compared with adult patients. OBJECTIVE To evaluate the accuracy of open pedicle screw placement in pediatric patients using intraoperative CT and 3-dimensional (3D)(More)
The incidence of slipped capital femoral epiphysis (SCFE) remains controversial. A population-based database was used to identify all residents of a Midwestern American county treated for a new diagnosis of SCFE. Between 1965 and 2005, 49 patients (aged 9-16 years) underwent treatment of SCFE. This represents an annual incidence of 8.3 unilateral cases and(More)
BACKGROUND Recently, much attention has been focused on the prevention of arthritis after slipped capital femoral epiphysis (SCFE). Little, however, is published on which subset of SCFE patients eventually require hip replacement, how soon arthroplasty is required, and the long-term outcomes after arthroplasty. METHODS A hip registry database at a(More)
STUDY DESIGN Retrospective review of prospectively collected data. OBJECTIVE To determine whether anchor density is associated with curve correction and patient-reported outcomes. SUMMARY OF BACKGROUND DATA There is limited information as to whether anchor density affects the results of adolescent idiopathic scoliosis surgery. METHODS A total of 952(More)
PURPOSE Children with multiple hereditary exostoses (MHE) have numerous osteochondromas, with the most prominent lesions typically over the appendicular skeleton. A recent report noted a high rate of intracanal lesions in this patient population and recommended preventative spinal screening with magnetic resonance imaging (MRI) or computed tomography (CT).(More)
OBJECTIVES We hypothesize that clinical results and patient outcomes following treatment of olecranon fractures with a congruent elbow plating system will be comparable to other available plating systems. Our results will be compared to previously published reports. DESIGN Retrospective study. SETTING Level 1 academic referral center. (More)
PURPOSE Protrusio acetabuli is an uncommon finding that can be seen in patients undergoing primary total hip arthroplasty for arthritis. Uncemented fixation of the acetabular component and bone grafting of the protrusio defect is commonly used as a reconstruction method and has shown good mid-term results. The long-term outcome of these reconstructions(More)
BACKGROUND Long-term studies have indicated good outcomes for most patients with Legg-Calvé-Perthes disease. However, clinical experience suggests that less favorable outcomes are common. We sought to prospectively document pain and function in a cohort of adults who had previously been treated nonoperatively for Legg-Calvé-Perthes disease. METHODS(More)
We report the case of a 59-year-old man with Waldenstrom's macroglobulinemia and active alcohol use who presented with bilateral knee pain 5 years after a bilateral staged TKA. Cultures of synovial fluid and periprosthetic tissue specimens from both knees yielded, after prolonged anaerobic incubation, a catalase- and oxidase-positive gram-negative bacillus,(More)
BACKGROUND Motocross is a nationally organized sport that is growing in popularity. The distribution and severity of motocross injuries in the pediatric population is not known. We hypothesize a high rate of musculoskeletal injuries requiring hospitalization and/or surgical intervention. METHODS All patients 17 years of age or younger with injuries(More)