Publications by authors named "Kai Megerle"

Distal radius fractures are the most common fractures in adults and account for one quarter of all fractures, with increasing incidence. The number of patients and the requirement of an exact treatment are high. Continuous developments in diagnostic and operative possibilities enable in many cases a high-quality treatment with good clinical outcome; however, radius fractures rarely occur alone but in combination with additional fractures or ligamentous injuries.

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Selective neurectomy refers to the targeted transection of motor nerve fibres at their entry into the muscle in order to reduce the increased muscle tone in cases of spastic paralysis. This procedure has regained popularity in recent years, especially in the upper extremity. First and foremost, it requires an exact knowledge of the topographical anatomy of muscle innervation.

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Cone-beam computed tomography (CBCT) is a relatively new imaging technique in hand surgery. Being the most common fractures in adults, distal radius fractures are of special importance not only to hand surgeons. The quantity alone calls for fast, efficient and reliable diagnostic procedures.

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This review article summarizes the basic principles of vascular anatomy, physiology, diagnostic work-up and treatment for patients with nontraumatic upper extremity vascular disorders. Vascular disorders can be considered vasospastic or occlusive. The most commonly encountered vasospastic condition is Raynaud's Phenomenon secondary to scleroderma.

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Although it is part of the common clinical examination of scapholunate ligament pathologies, there are only little data on the diagnostic value of the scaphoid shift test. The aim of this study was to evaluate the scaphoid shift test in a large cohort of patients. We retrospectively analysed 447 patients who underwent the scaphoid shift test and wrist arthroscopy because of various suspected injuries of the wrist, correlating the results of clinical examination with data obtained during the wrist arthroscopy.

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The treatment of traumatic major upper limb amputation is complex and of great urgency. Loss of time often represents a majorrestriction for replantation. Thus, logistical and infrastructural developments, such as the expansion of specialised hand trauma centres, are crucial for optimizing delivery of care.

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Introduction: The WALANT (Wide Awake Local Anaesthesia No Tourniquet) technique has rapidly gained popularity. The advantages are often described, whereas information about complications is rare. Therefore, we followed up on our own patients regarding complications.

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Introduction: Data from the United States have shown that finger replantation numbers have declined significantly in recent years. It is unclear whether this is due to a decrease in amputation injuries or other reasons.

Materials Methods: Since 2005, all German hospitals have been required to produce structured quality reports.

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Objective: To clarify the role of microbiological swabs in surgical decision-making, we investigated the effect of negative-pressure wound therapy (NPWT) and serial surgical debridement on bacterial bioburden in hard-to-heal wounds and ultimately correlated them with the success of surgical closure.

Method: All patients were treated with surgical debridement, jet lavage and NPWT before their wounds were finally closed. The treatment effect was assessed by correlating microbiological swabs obtained immediately after intervention with those obtained after removal of the dressings during the following surgical procedures.

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Introduction: There are many types of intrinsic flaps to cover wound defects on the hand, which have been well described in scientific literature. However, the donor sites are often neglected in such studies. Therefore, we aimed to evaluate donor site morbidity for homodigital island flaps, cross-finger flaps, Foucher's pedicle flaps, and flaps of the dorsal metacarpal artery system (DMCA).

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Backround: Tactile sensibility plays a critical role in medicine, especially in surgical practice. In order to prevent surgical site infections and protect the surgeon, the use of surgical gloves is standard practice. However, wearing these might affect the sensibility of the hand disadvantageously, especially in disciplines that require precision work.

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We systematically searched medical publication databases for articles in English on upper extremity overuse syndrome in musicians. We focused on non-specific pain disorders, including diagnostic definitions, epidemiology, pathophysiology, risk factors, symptoms, treatment, and prevention. We included 42 out of 156 identified articles.

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Introduction: Periprosthetic joint infection (PJI) is a severe complication after a total knee replacement that is primarily associated with soft tissue defects. Finding an appropriate therapy for PJI is a major challenge because of the lack of guidelines and research comparing treatment options.

Methods: In this study, we retrospectively compared 78 patients who had a knee prosthetic infection within a mean follow-up period of 24 months.

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Microsurgical training courses are an integral part of surgical education and training. Due to the changes in the surgical everyday routine, the competence and skills training outside the operating room has an increasingly important status. Multi-day, hands-on exercises with different models of increasing difficulty use artificial, avital and vital microsurgical models.

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Background: The treatment of complex patients with chronic wounds, such as pressure ulcers, is often not adequately reimbursed in patients with need for daily intensive care due to multimorbidity and chronic co-diagnoses. The present study analyses revenues, principle cost factors as well as possible complications.

Methods: We analysed 51 patients with the DRG principle diagnosis of decubitus stage III and IV, treated in our maximum care clinic in 2014 and 2015.

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 Arthroscopic debridement of the triangular fibrocartilage (TFC) is well accepted in patients with ulnar impaction syndrome with central TFC lesions. Treatment remains controversial, however, when there is no such lesion from radiocarpal view.  This study assessed the clinical outcome of arthroscopic central TFC resection and debridement and secondary ulnar shortening in patients with ulnar impaction with central TFC lesion compared with patients without TFC lesion.

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Background: With the increasing success of organ transplantation, many traditional contraindications to organ procurement are being reconsidered. Burn disease has constituted a traditional contraindication to solid organ procurement because of concerns that such organs may have been compromised by ischemia secondary to burn shock and contaminated by bacteremia. With the current shortage of solid organs, the transplant community continues to look for ways to increase the number of organ donors, including the use of marginal donors.

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