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Purpose:The purpose of this study is to evaluate the efficacy of arthroscopic debridement with continuous irrigation in patients with septic arthritis of the knee after failed primary arthroscopic treatment. Materials and Methods: Among 69 patients undergoing arthroscopic debridement for septic arthritis of the knee from March 2008 to March 2013, 14 patients (5 male, 9 female; mean age, 68.9±11.3 years) with failed arthroscopic debridement for septic arthritis of the knee were reviewed retrospectively (mean follow-up period, 49.2±23.2 months). All 14 patients underwent re-do of the arthroscopic debridement, then continuous irrigation. Continuous irrigation following arthroscopic debridement was maintained for a mean 8.4±2.5 days. For clinical evaluation, Lysholm knee score and visual analogue scale (VAS) were used at 1 month, 3 months, and 12 months after surgery. During the entire follow-up period, recurrence of infection and operation-related complication were also assessed. Results: Symptom improvement was observed in 12 cases (85.7%) of the 14 cases. Lysholm knee score was improved from 36.1±7.9 to 84.2±9.2 at 12 months after surgery (p＜0.05). VAS was improved from 8.9±1.3 to 2.1±1.2 at 12 months after surgery (p＜0.05). Synovial fluid cultures yielded positive findings in 9 of the 14 cases with the same bacteria in primary surgery. During the follow-up period, septic arthritis relapsed in 2 of the 5 cases with negative finding of cultures. After reoperation was performed in those 2 cases, no recurrence was observed to final follow-up. There was no complication related operation in any cases. Conclusion: Arthroscopic debridement combined with continuous irrigation is a safe and effective procedure for failed arthroscopic debridement for septic arthritis of the knee.

Anterior cruciate ligament (ACL) injury in the skeletally immature individual is being recognized with increasing frequency. Nonoperative treatment of ACL injuries in skeletally immature patients have not been favorable. Surgical treatment options for complete ACL tears include primary ligament repair, extraarticular tenodesis, transphyseal reconstruction, partial transphyseal reconstruction, and physeal-sparing reconstruction. The advantage of transphyseal reconstruction is placement of the graft tissue in an isometric position, which provides better results, according to the literature. The potential disadvantage is angular or limb-length discrepancy caused by physeal violation. Controversy exists in allograft selection about whether bone or soft tissue passes into physes. The use of standard tunnels provides reliable results, but carries the risk of iatrogenic growth disturbance from physeal injury.This article presents 4 cases of transphyseal ACL reconstruction using anterior tibialis allograft in skeletally immature patients that had satisfactory functional outcomes with no growth disturbances. This is the first report of transphyseal ACL reconstruction using anterior tibialis allograft in skeletally immature patients in the English-speaking literature. All patients underwent transphyseal ACL reconstruction using anterior tibialis tendon allograft. None of the patients had angular deformities. No early physeal arrest was measured between the preoperative and postoperative radiographs. At last follow-up, the results of the Lachman test were normal for 3 patients and nearly normal for 1 patient. All patients demonstrated full range of knee motion (comparing the reconstructed knee to the contralateral knee). The results of the pivot-shift test were normal for 3 patients and nearly normal for 1 patient. No patients reported giving way.

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