Der Unfallchirurg
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Patients must be informed of the chances of success and risks well in advance of the intended treatment measure so that they can adequately maintain a freedom of choice and thus the right to self-determination by carefully considering the reasons for and against the recommended measure. Fixed deadlines for the time between information and consent cannot be set as a blanket measure. ⋯ If this period of deliberation is not granted and consent is requested immediately, the doctor must convince himself before the treatment measure is carried out that the consent given still corresponds to the patient's will. This request is not necessary if the patient has expressly waived a period of reflection after receiving appropriate clarification.
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The current boom in recreational sports leads to an increase in the number of long-distance runners. In addition to typical disease patterns (e.g. of the Achilles tendon) stress fractures are seen more and more frequently. ⋯ Atypical and protracted complaints therefore require a detailed medical history of the patient and should if in any doubt lead to radiological imaging. Once correctly diagnosed, rest from sports and sometimes semi-weightbearing or non-weightbearing is indicated to prevent the development of fracture non-union.
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The ideal surgical and postoperative treatment for flexor tendon injuries, especially in zone 2, is still subject to continuous modifications and professional discussions. ⋯ A stable tendon repair with smooth gliding is the foundation for treatment after flexor tendon injuries. After intraoperative active digital extension-flexion testing of the sutured tendon an early active rehabilitation approach should follow. New splint designs in combination with primary stable tendon suture techniques have the potential to improve the postoperative outcome, presupposing a reliable cooperation of the patient.
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The treatment of flexor tendon injuries is still challenging, especially in the region of the narrow annular ligaments and tendon sheaths of the 3‑segment fingers and the thumb (zone 2). In the course of time, the primary suture of the flexor tendons has prevailed over traditional recommendations for a secondary tendon replacement after healing of the wound. Improvements regarding suture techniques and materials and, above all the follow-up treatment, have been crucial for better results and remarkable changes in flexor tendon surgery. ⋯ To achieve this an early functionally active protocol should be implemented. The tendon suture should enable this by having a high primary strength and therefore at least a 4-strand core suture technique with a ring suture should be given preference. Further important prerequisites for success are the undisturbed gliding of the repaired tendon in its "bed" paying special attention to the annular ligaments and preservation of the blood supply to the tendons.
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Normal function of the fingers and thumb depends on properly gliding flexor tendons and a free range of motion of the involved joints. This normal gliding function may be inhibited by adhesions due to damage of the tendon, tendon sheath and adjacent tissue. When digital function is still limited despite a long-term course of hand therapy and there are no signs of further improvement, surgical intervention should be considered. ⋯ Therefore, extensive approaches, arthrolysis, dissolution of unfavorable scar tissue, resection of scarred lumbrical muscles and annular pulley reconstruction are frequently necessary. Salvage procedures, such as arthrodesis, amputation, ray resection or multistage flexor tendon reconstruction are recommended in failed cases and should be considered even preoperatively. In order to retain the intraoperative functional improvement hand therapy for at least 3-6 months should follow.