Der Unfallchirurg
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Due to the new general data protection regulations (GDPR), the requirements for correct patient information on the documentation of pseudonymized data in a registry have increased enormously. In particular, written consent applies to the TraumaRegister DGU® as it is not always possible to get written permission from severely injured patients in acute situations. Therefore, the study aimed to investigate the influence of undocumented cases due to a lack of clarification on the standardized mortality rate (SMR). ⋯ Due to the lack of written consent from surviving patients, only about 75% of all patients at Leipzig University Hospital could be documented for the TraumaRegister DGU®. On the other hand, since the local legal situation permits registry documentation of deceased patients, this has a detrimental effect on the standardized mortality rate (SMR), which is about 10% higher in our collective than it actually is.
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The number of patients with osteoarthritis of the ankle, which are treated by arthroplasty, has continuously increased in recent years. The survival time of these implants is far below the results following hip and knee arthroplasty. In some cases a failure rate of approximately 1% per year or a survival rate of 70% after 10 years has been reported. ⋯ In recent years, there has been an increasing trend towards re-implantation of an ankle prosthesis, as this preserves the functionality and mobility of the ankle joint as far as possible. Depending on the reason for failure and the size of the bony defect, a decision must be made regarding a one-stage and a two-stage procedure with bone augmentation. This article presents the advantages and disadvantages of arthrodesis and revision arthroplasty after failed primary ankle arthroplasty and highlights the special features of surgery.
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Review
[Conservative treatment options for arthritis of the ankle : What is possible, what is effective?]
In this article the causes of arthritis in the region of the ankle are introduced and the conservative treatment options are described and discussed more extensively. The risks of treatment with nonopioid analgesics (NOPA) are presented in detail. ⋯ If contraindications for oral NSAIDs are present, intra-articular treatment is a meaningful option. The best evidence is currently available for viscosupplementation but the study situation for the use of platelet-rich plasma (PRP) is still not sufficiently comprehensive and there are only a few case reports on the use of mesenchymal stem cells..
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The arthroscopic treatment of arthritis of the ankle joint is very limited and is only indicated for early stages of arthritis with impingement, strictly localized forms and more for young patients. The most important aim of arthroscopy is to improve the range of motion (ROM) of the ankle by removal of bony projections (dorsal and ventral) and an extensive synovectomy with debridement. ⋯ This is independent of the localization of the narrowing, especially if the complete joint is affected. If necessary, arthroscopy can then be carried out as an additional intervention in cases of conversion osteotomy in order to improve the ROM.
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The gold standard in operative treatment of end-stage ankle osteoarthritis remains controversial even now. Endoprosthetic treatment, which has undergone significant improvements in recent years competes with arthrodesis, which can achieve excellent results particularly in the arthroscopically assisted technique. Both procedures offer specific advantages and disadvantages so that the decision about indications for treatment should always be made individually, taking specific needs and the individual constellation of findings of the patient into consideration.