452 research outputs found

    Osteoporosis transitoria de rodilla en el embarazo

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    La osteoporosis transitoria o síndrome de edema óseo transitorio es una enfermedad poco frecuente y autolimitada que puede afectar a la mujer embarazada. La etiología es desconocida y su localización más frecuente es la cadera. Presentamos un caso de osteoporosis transitoria de rodilla durante el embarazo, con resolución clínica y radiológica completa tras 10 meses de evolución.Transient osteoporosis or transient bone edema syndrome is a rare, self-limiting disease that can affect pregnant women. The etiology is unknown and most common location is the hips. We present a case of tran - sient osteoporosis of the knee during pregnancy, with complete clinical and radiological resolution after 10 months

    Osteocondritis disecante de la cabeza del 2º metacarpiano en un niño: a propósito de un caso

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    La osteocondritis disecante en articulaciones de la mano es un proceso muy raro, sólo existen dos casos previos publicados en la literatura. Presentamos un paciente de 10 años de edad con dolor e impotencia funcional de la articulación metacarpofalángica de la mano izquierda de semanas de evolución. Con el diagnós - tico final de osteocondritis disecante realizamos una resección del fragmento libre asociadas a perforaciones con aguja fina. Tras el primer año de seguimiento el paciente se encuentra asintomático y se observa remodelación casi completa de la superficie articular.Ostheocondritis in the hand is a rare process. Only two cases were reported in the previous litera - ture. In this report we present a 10 years old boy with pain and a few functional limitation in second metacarpal phalangeal joint for weeks. With the final diagnosis of osteochondritis dissecans we performed surgery. Intraope - ratively the cartilage flap was removed and some drilling was realized. Before one year the patient was asympto - matic and we observed an improvement of articular surface

    Connecting Society and Policymakers? Conceptualizing and Measuring the Capacity of Civil Society Organizations to Act as Transmission Belts

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    Civil Society Organizations (CSOs) are considered important intermediaries between citizens and policymakers. They are assumed to function as transmission belts that filter societal preferences and channel them to policymakers. Although the ability of CSOs to connect civil society with policymakers has been put into question, it has rarely been theoretically specified and empirically tested. This paper develops a conceptualization of CSOs that examines their capacity to function as transmission belts. It does so by distinguishing two organizational dimensions related to member involvement and organizational capacity. The paper draws on a large survey of CSOs active at the EU to empirically assess these organizational dimensions and relate them to basic CSOs’ characteristics. The findings indicate that one out of three organizations approximates the ideal-type transmission belt. The findings contribute to a better understanding and assessment of CSO’s potential contribution to policy-making in representative democracies.NWOThe politics and administration of institutional chang

    Unpacking interest groups: on the intermediary role of interest groups and its effects for their political relevance

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    Interest groups are often described as transmission belts that connect the preferences of their members with public officials in policymaking processes. Through this linkage, public officials can obtain relevant information and gain legitimacy from those affected by public policies. However, this important intermediary function is not a straightforward endeavor as interest groups often struggle to reconcile their dual function of representing their members while being politically active. This dissertation unpacks interest groups mobilized at the European Union level and examines how they are organized so as to function as transmission belts. Subsequently, it analyzes the effects of this transmissive role for the level of access and influence obtained by groups in policymaking processes. The findings shed light on the difficult task of groups in balancing member involvement while being politically active and the implications for the legitimacy of our governance systems.This PhD dissertation was written within the project “2-Capture: The Driving Forces of Regulatory Capture”, founded by the Dutch Research Council (Nederlandse Organisatie voor Wetenschappelijk Onderzoek), VIDI Grant 452–14‐012. Principal investigator: prof. dr. C.H.J.M. Braun.The politics and administration of institutional chang

    Lagrangean Duals and Exact Solution to the Capacitated p-Center Problem

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    In this work we study the Capacitated p-Center Problem (CpCP) and we propose an exact algorithm to solve it. We study two auxiliary problems and their relation to CpCP, and we propose two different Lagrangean duals based on each of the auxiliary problems. The lower and upper bounds provided by each of the Lagrangean duals reduce notably the set of candidate radii and allow to solve the problem with an exact algorithm based on binary search. The results obtained with experimental testing on various data sets from literature show the efficiency of the proposal that outperforms previous proposals

    El abordaje transapofisario en las fracturas complejas del extremo distal femoral y proximal tibial

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    Los autores presentan las ventajas e inconvenientes, así como los distintos pasos de la técnica quirúrgica en el abordaje transapofisario, para resolver aquellas fracturas complejas tanto del extremo distal femoral como del extremo proximal tibial, en donde una amplia exposición del foco fracturario es imprescindible para lograr la restauración lo más anatómica posible de la superficie articular, que le permita a los pacientes reiniciar una movilización articular precoz. Consideran a este tipo de abordaje quirúrgico como muy beneficioso e imprescindible en estas fracturas tan complejas, presentando su experiencia al respecto.The authors show the advantages and disadvantages, as well as somo differents points of the surgical technique at the transapophyseal approach, for complex fractures of the distal end of the femur and proximal tibial plateau, when an extensible exposur e is essential to obtain an anatomic restitution of the articular surface, and to allow to the patient to mobilize the joint at once. They consider this type of surgical approach as very beneficial and essentia] in these fractures so complex. They present their experience

    Conditional wavefunction theory: a unified treatment of molecular structure and nonadiabatic dynamics

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    We demonstrate that a conditional wavefunction theory enables a unified and efficient treatment of the equilibrium structure and nonadiabatic dynamics of correlated electron-ion systems. The conditional decomposition of the many-body wavefunction formally recasts the full interacting wavefunction of a closed system as a set of lower dimensional (conditional) coupled `slices'. We formulate a variational wavefunction ansatz based on a set of conditional wavefunction slices, and demonstrate its accuracy by determining the structural and time-dependent response properties of the hydrogen molecule. We then extend this approach to include time-dependent conditional wavefunctions, and address paradigmatic nonequilibrium processes including strong-field molecular ionization, laser driven proton transfer, and Berry phase effects induced by a conical intersection. This work paves the road for the application of conditional wavefunction theory in equilibrium and out of equilibrium ab-initio molecular simulations of finite and extended systems

    Organizing Transmission Belts: The effect of organisational design on interest group access to EU policy-making

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