Pilon fractures are uncommon, representing approximately 5-10 % of all lower limb fractures. Pilon fractures are often associated with serious soft tissue injuries resulting in initial external fixation followed by internal fixation once the condition of the soft tissues has improved. Articular distal fractures of the tibia are classified as B3, C1, C2 and C3 fractures according to the AO Classification. Pilon fractures are usually the result of a high energy trauma. A low energy trauma such as a twisting injury of the ankle can also lead to a pilon fracture. Such low energy mechanisms of injury are rarely associated with significant soft tissue injury and can be immediately fixated internally. Pilon fractures are often associated with an unsatisfactory healing response. This is a result of a combination of factors including the severity of the trauma, the extent of the initial soft tissue injury and the accuracy of the articular surface reconstruction.
Ein Ziel der Deutschen Gesetzlichen Unfallversicherung (DGUV) ist es, die Gesundheit und damit auch die Leistungsfähigkeit ihrer Versicherten nach einem Unfall „mit allen geeigneten
Mitteln“ wiederherzustellen. Hierbei unterscheiden sich die Rehabilitationsmöglichkeiten aufgrund des gesetzlichen Auftrags wesentlich von denen der Kranken- bzw. Rentenversicherung. Dieser
Beitrag gibt einen Überblick, welche Heilverfahren nach Arbeitsunfällen zur Verfügung stehen und in welcher Phase der Rehabilitation sie zur Anwendung kommen.
Ensuring a high customer satisfaction by monitoring Quality of Experience (QoE) aspects has become common practice for service providers. Such monitoring solutions, together with underlying QoE models, are mostly limited to measures captured in the core or access network and may thus neglect the QoE impact of recovery mechanisms deployed at client-side, e.g., FEC or ARQ. This limitation makes QoE models prone to mispredict QoE and consequently may lead the operators to misleading interpretations of customer experience. In this paper, we empirically study the behavior of the Microsoft TV Set-top Box (STB) with respect to the deployed ARQ recovery mechanism. As the ARQ implementation details of the STB are proprietary, we implement and simulate three ARQ algorithms of different complexities and evaluate their performance by comparing with corresponding empirical measurements. This comparison reveals insights into the ARQ scheme implemented in the STB. Moreover, it leads us to speculate that MSTV uses simple ARQ schemes which are sufficient to drastically improve the QoE in the presence of a multitude of loss patterns.
Ein Ziel der Deutschen Gesetzlichen Unfallversicherung (DGUV) ist es, die
Gesundheit und damit auch die Leistungsfähigkeit ihrer Versicherten nach
einem Unfall „mit allen geeigneten Mitteln“ wiederherzustellen.
Hierbei unterscheiden sich die Rehabilitationsmöglichkeiten aufgrund des
gesetzlichen Auftrags wesentlich von denen der Kranken- bzw. Rentenversicherung.
Dieser Beitrag gibt einen Überblick, welche Heilverfahren nach
Arbeitsunfällen zur Verfügung stehen und in welcher Phase der
Rehabilitation sie zur Anwendung kommen.
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