Injury
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Cement-augmentation is a well-established way to improve the stability of sacroiliac screw fixation in osteoporosis-associated fragility fractures of the posterior pelvic ring. However, to date little is known about the influence of different techniques of cement augmentation on construct stability. The aim of this study was to evaluate the primary stability of cement-augmented sacroiliac screw fixation with cannulated versus perforated screws under cyclic loading. ⋯ Considering the at least equivalent results for perforated screws, cement augmentation via perforated screws might be an interesting option in clinical practice because of potential advantages, e.g. radiological control before cement application, reduced risk of cement displacement and time saving.
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Temporary external fixation is a viable option for numerous conditions and fixations in orthopaedic and trauma surgery. If the external fixator is left in place it is necessary to disinfect it prior to surgery, yet the subsequent risk for bacterial contamination of the surgical site originating from the external fixator remains unknown. ⋯ We conclude that the presented perioperative management to decontaminate external fixators allows for a safe definitive osteosynthesis in a staged protocol without increasing bacterial contamination of the surgical site. It is safe to leave the external fixator in place for definitive osteosynthesis.
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The surgical outcome of floating knee injuries is difficult to predict. The high-velocity nature of the injury, complex fracture pattern and associated soft tissue/visceral injuries may have some impact on the functional outcome. The present study evaluates the variables affecting the clinical and radiological outcomes of floating knee injuries. ⋯ Open tibial fractures, segmental fractures, intraarticular involvement, additional surgical procedures and initial external fixator application are the poor prognostic indicators of floating knee injuries.
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The Orthopaedic Trauma Association (OTA) classification scheme for open fractures has improved precision, validity and reliability over the modified Gustilo classification system. However, it needs to be modified into a simple and practical classification system to gain widespread acceptance and application. ⋯ The new "unified" classification of open fractures has good validity, reliability and acceptability, and has the potential to replace all other existing classification systems.
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Observational Study
The pelvic fracture - Indicator of injury severity or lethal fracture?
Presence of pelvic fractures in trauma patients has previously been related to high mortality. However, there are controversies on whether pelvic fractures are the underlying cause of death or if it is rather an indicator of injury severity. We aimed to assess whether the presence of pelvic fracture increased mortality among a cohort of trauma patients or if it was simply an indicator of severe injury. ⋯ Presence of pelvic fractures in trauma patients is not correlated to increased mortality when adjusted for Age, ISS, ASA, GCS and Shock.