Patients requiring early surgical treatment for wound-healing problems after primary total knee arthroplasty are at significantly increased risk for further complications, including deep infection and/or major subsequent surgery, specifically, resection arthroplasty, amputation, or muscle flap coverage. These results emphasize the importance of obtaining primary wound-healing after total knee arthroplasty.

Patients who return to the operating room within thirty days after the index total knee arthroplasty for evacuation of a postoperative hematoma are at significantly increased risk for the development of deep infection and/or undergoing subsequent major surgery. These results support all efforts to minimize the risk of postoperative hematoma formation.

To our knowledge, this is the largest reported series of patients with SC of the foot and ankle. In half the patients, synovectomy with excision of loose bodies resulted in pain free return to normal function, without recurrence, at last followup. However, recurrence occurred in 3 (37.5%) of 8 patients with subsequent malignant transformation to low-grade chondrosarcoma occurring in 2 patients.

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Objectives: (1) To determine the infection rate after fixation of open tibial shaft fractures using the Surgical Implant Generation Network (SIGN) intramedullary nail in low- and middle-income countries (LMICs) and (2) to identify risk factors for infection. Design: Prospective cohort study using an international online database. Setting: Multiple hospitals in LMICs worldwide. Patients/Participants: A total of 1061 open tibia fractures treated with the SIGN nail in LMICs between March 2000 and February 2013. Intervention: Intravenous antibiotic administration, surgical debridement, and definitive intramedullary nailing within 14 days of injury. Main Outcome Measurements: Deep or superficial infection at follow-up, implant breakage/loosening, angular deformity >10 degrees, repeat surgery, radiographic union, weight bearing, and ability to kneel. Results: The overall infection rate was 11.9%. Infection rates by the Gustilo and Anderson classification were type 1: 5.1%, type II: 12.6%, type IIIa: 12.5%, type IIIb: 29.1%, and type IIIc: 16.7% (P = 0.001 between groups). Patients who developed infection had a longer mean time from injury to definitive surgery (4.7 vs. 3.9 days, P = 0.03) and from injury to wound closure (13.7 vs. 3.6 days, P < 0.001). Distal fractures had a higher infection rate than midshaft fractures (13.3% vs. 8.2%, P = 0.03). Infection rates were not associated with time from injury to initial debridement, time from injury to initial antibiotic administration, or total duration of antibiotics. Conclusions: Open tibia fractures can be managed effectively using the SIGN intramedullary nail in LMICs with an overall infection rate of 11.9%. Risk factors for infection identified include more severe soft-tissue injury, delayed nailing, delayed wound closure, and distal fracture location. Level of Evidence: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.

Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.