75 research outputs found

    Lower Limit Size of Pores in Metals under Sintering

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    Percutaneous dilatational tracheostomy in patients with head and neck tumors: literature review and institutional experience

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    Introduction. Patients with head and neck tumors are often require tracheostomy. This procedure represents complex surgical manipulation and is associated with risk of certain complications, including life-threatening. The study objective is to essess the results of percutaneous tracheostomy with the new SafeTrach technique. Materials and methods. The study included 21 patients. All patients had a tracheostomy performed using the SafeTrach technique. Results. Mean duration of tracheostomy with SafeTrach technique was 11.8 ± 3.4 minutes independently of patients’ body mass index or previous treatment (correlation coefficients r = 0.08, p = 0.7 and r = 0.08, p = 0.73, respectively). Among all possible complications of tracheostomy only 1 (4.7 %) case of bleeding in postoperative period was noted in our study. Conclusion. The SafeTrach technique combines all the benefits of open and percutaneous tracheostomy. It is characterized by simplicity, it does not require endoscopic control, that indicates the feasibility of its widespread implementation

    Life Histories of Etnos Theory in Russia and Beyond (PDF)

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    The idea of etnos came into being over a hundred years ago as a way of understanding the collective identities of people with a common language and shared traditions. In the twentieth century, the concept came to be associated with Soviet state-building, and it fell sharply out of favour. Yet outside the academy, etnos-style arguments not only persist, but are a vibrant part of regional anthropological traditions. Life Histories of Etnos Theory in Russia and Beyond makes a powerful argument for reconsidering the importance of etnos in our understanding of ethnicity and national identity across Eurasia. The collection brings to life a rich archive of previously unpublished letters, fieldnotes, and photographic collections of the theory’s early proponents. Using contemporary fieldwork and case studies, the volume shows how the ideas of these ethnographers continue to impact and shape identities in various regional theatres from Ukraine to the Russian North to the Manchurian steppes of what is now China. Through writing a life history of these collectivist concepts, the contributors to this volume unveil a world where the assumptions of liberal individualism do not hold. In doing so, they demonstrate how notions of belonging are not fleeting but persistent, multi-generational, and bio-social

    Life Histories of Etnos Theory in Russia and Beyond (XML)

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    The idea of etnos came into being over a hundred years ago as a way of understanding the collective identities of people with a common language and shared traditions. In the twentieth century, the concept came to be associated with Soviet state-building, and it fell sharply out of favour. Yet outside the academy, etnos-style arguments not only persist, but are a vibrant part of regional anthropological traditions. Life Histories of Etnos Theory in Russia and Beyond makes a powerful argument for reconsidering the importance of etnos in our understanding of ethnicity and national identity across Eurasia. The collection brings to life a rich archive of previously unpublished letters, fieldnotes, and photographic collections of the theory’s early proponents. Using contemporary fieldwork and case studies, the volume shows how the ideas of these ethnographers continue to impact and shape identities in various regional theatres from Ukraine to the Russian North to the Manchurian steppes of what is now China. Through writing a life history of these collectivist concepts, the contributors to this volume unveil a world where the assumptions of liberal individualism do not hold. In doing so, they demonstrate how notions of belonging are not fleeting but persistent, multi-generational, and bio-social
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