Der Unfallchirurg
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Osteosynthesis-associated infections occur in 1-5% after closed and in up to 30% after open fractures. There are three different descriptions of implant-associated infections after fracture fixation, which are crucial for the selection of the adequate treatment strategy; temporal appearance from the index surgery (early versus late), pathogenesis of the infection (exogenous, hematogenous and contiguous from an adjacent focus), duration of infection symptoms (acute versus chronic). Diagnosis of osteosynthesis-associated infection is challenging, as chronic low-grade infections often present only with unspecific and subtle clinical symptoms. ⋯ Elevated C‑reactive protein value in blood is a supportive argument for infection, but is neither sensitive nor specific for infection. Imaging plays a key role to detect nonunions, infectious callus, sequester, peri-implant osteolysis and extraosseous and intramedullary involvement. Through microbiological and histopathological examination of intraoperative tissue samples, as well as sonication of explanted implants the causative pathogen is identified in most cases.
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This case describes a rare salmonella infection suspected to be an osseous lymphoma. A 27-year-old female presented herself with painful swelling of her knee, with prednisolone-treated Crohn's disease as her only pre-existing condition. ⋯ The disease was treated with intravenous ceftriaxone, oral cotrimoxazole as well as multiple debridements. The working diagnosis should thus always be questioned and bone pain in patients who are immunosuppressed should be further investigated.
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Review Meta Analysis
[Prevention of postoperative infections : Risk factors and the current WHO guidelines in musculoskeletal surgery].
Despite the many scientific and technological advances postoperative infection continues to be a large problem for trauma and orthopedic surgeons. Based on a review of the current literature, this study provides a comprehensive overview of the risk factors (RF) and possible preventive measures to control surgical site infections. ⋯ In the future, considerable efforts must be made in order to achieve a noticeable reduction in the rate of infection, especially in the case of high-risk patients.