Injury
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The ability of diffusion tensor imaging (DTI) to complement conventional MR imaging by diagnosing subtle injuries to the spinal cord is a subject of intense research. We attempted to study change in the DTI indices, namely fractional anisotropy (FA) and mean diffusivity (MD) after traumatic cervical spinal cord injury and compared these with corresponding data from a control group of individuals with no injury. The correlation of these quantitative indices to the neurological profile of the patients was assessed. ⋯ Quantitative DTI indices are a useful parameter for detection of spinal cord injury. FA value was significantly decreased while MD value was significantly increased at the level of injury in cases as compared to controls. Further, FA showed significant correlation with clinical grade. DTI could thus serve as a reliable objective imaging tool for assessment of white matter integrity and prognostication of functional outcome.
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Comparative Study
Does intra-articular load distribution change after lateral malleolar fractures? An in vivo study comparing operative and non-operative treatment.
The impact of isolated malleolar fractures on the intra-articular load distribution within the ankle joint has been studied in several biomechanical cadaver studies during the last decades. Recently, computed tomography osteoabsorptiometry (CT-OAM) has been proposed as a valuable tool to assess intra-articular joint load distribution in vivo. The purpose of this retrospective matched pair analysis was to apply CT-OAM to evaluate in vivo changes of talar load distribution after lateral malleolar fractures in patients treated with open anatomic reduction and internal fixation (ORIF) compared to patients treated non-operatively. ⋯ Level III, retrospective cohort study.
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The psoas minor partially inserted to the superior pelvic brim. And the plate used to fix the acetabular fracture has always been positioned at the pelvic brim after reduction through the Stoppa approach. However, there are few studies depicting the clinical significance of the psoas minor. The purpose of this paper was to explore the relationship between the insertion of the psoas minor tendon at the pelvic brim (IPMTPB) and screw placement through the Stoppa approach. ⋯ IPMTPB could be used as an anatomic landmark of safe zones for screw placement through the Stoppa approach. For cases without a psoas minor, the zones for extra-articular screw placement could be determined through the measurements in this paper.
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Bone marrow oedema (BMO) syndrome describes a painful condition with increase of interstitial fluid within bone and is often lately diagnosed due to unspecific symptoms. The underlying causes are diverse while it is widely assumed that in cases of BMO local bone resorption is increased. Denosumab, a human monoclonal antibody that binds to the receptor activator of nuclear factor kappa-B ligand (RANKL) inhibits osteoclastic bone resorption and is commonly administered in the treatment of osteoporosis. ⋯ Furthermore, bone turnover decreased significantly after treatment. No adverse reactions were reported. In conclusion, our retrospective analysis shows that denosumab is highly effective in the treatment of bone marrow oedema and therefore represents an alternative treatment option.
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This retrospective cohort study characterized injury patterns, treatment practices, and identified the return to duty (RTD) rate following combat-related multi-ligament knee injuries (MLKI). ⋯ MLKIs sustained in a combat setting have a high incidence of associated lower extremity injuries. Certain associated injuries, such as intra-articular femur fracture, knee arthrotomy, neurovascular injury, and compartment syndrome may be more important than the severity of the knee ligamentous injury in determining RTD outcome.