OBJECTIVE.Jumper's knee, or chronic patellar tendinitis, can be a source of considerable pain in athletes.
Background: Seymour fractures are distal phalanx fractures in children with a juxta-epiphyseal pattern. The purpose of our study was to investigate the treatments, outcomes, operative ;indications, and antibiotic choice for acute Seymour fractures (presenting within 24 h of injury), to better define optimal management. We hypothesized that: (1) cephalexin provides adequate antibiotic coverage for acute Seymour fractures; (2) most injuries will achieve good outcomes with management in the emergency department (ED) alone; and (3) indication for operative intervention is unsuccessful or unstable reduction in the ED. Methods: We performed a retrospective study of patients under 18 years old treated at a large pediatric hospital from 2009 to 2017 for an acute Seymour fracture. Study outcomes included management and antibiotic type, infection, fracture healing, malunion, physeal disturbance, nail dystrophy, antibiotic failure, and need for unplanned operative intervention. Results: Mean age of patients was 10 years, with 43 males and 22 females sustaining 65 Seymour fractures. Fifty-eight cases (89%) were initially managed in the emergency department. Seven cases were initially managed with an operative intervention that included I&D, open reduction, and K-wire fixation. The most commonly cited surgical indication was unsuccessful closed reduction. Four patients initially managed in the ED required an unplanned operation, usually because of fracture redisplacement. Complications were rare, with superficial infections being most common. Conclusions: Most acute Seymour fractures can be successfully managed in the emergency department if stable reduction is achieved. Level of Evidence: Level IV, therapeutic.
Background: Seymour fractures in children are prone to complications without prompt and appropriate treatment. This study investigated outcomes of Seymour fractures with delayed presentations; specifically, if deep infection predisposed to operative treatment, if antibiotic administration improved fracture healing, and if oral clindamycin had fewer treatment failures than oral cephalexin. Methods: A single-institution retrospective cohort study was performed of patients with delayed Seymour fracture presentations (defined as greater than 24 hours post-injury) between 2009 and 2017. Data collected included demographics, time to presentation, infection on presentation, operative treatment, antibiotic use and duration, fracture union, and complications. Statistical testing used logistic regression and Fisher’s exact test, with results reported as P-values ( P), odds ratios (ORs), and 95% confidence intervals (CIs). Results: There were 73 patients with delayed Seymour fracture presentations, with mean age of 11.1 years (standard deviation: 2.9), with 56 (77%) males, and median time to presentation of 7 days (interquartile range: 3-17). Deep infection on presentation was a risk factor for operative intervention (OR = 34.4, P = .0001, CI, 5.5-217.2). Antibiotic administration protected against the development of a nonunion or delayed union (OR = 0.11, P = .008, CI, 0.021-0.57). Time to antibiotics did not protect against nonunion or delayed union (OR = 0.77, P = .306, CI, 0.37-1.3). Clindamycin had fewer treatment failures than cephalexin ( P = .039). Conclusions: Deep infection is a risk factor for operative treatment of Seymour fractures with delayed presentations. Clindamycin is a better antibiotic choice for Seymour fractures that present in delayed fashion.
Magnetic resonance imaging findings and the results of surgical treatment and histologic evaluation of 11 knees in 9 athletes with recalcitrant patellar tendinitis are reported. All of the athletes had no improvement with traditional nonoperative treatment and all had abnormal magnetic resonance imaging findings consistent with chronic patellar tendinitis. Surgical exploration and debridement were performed on the 11 knees by the same surgeon. With a minimum followup of 1 year, 7 of the 11 knees had excellent results, 3 had good results, and 1 had a poor result. Histologic evaluation of the debrided tissue was consistent with "angiofibroblastic tendinosis," which correlated with the abnormal preoperative magnetic resonance imaging findings in the proximal third of the infrapatellar tendon. This study correlated histologic findings with magnetic resonance imaging findings and shows that in selected patients excellent results can be achieved with surgical treatment of recalcitrant patellar tendinitis or "jumper's knee."
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