Sökning: "Klas Holmgren"

Hittade 2 avhandlingar innehållade orden Klas Holmgren.

1. 1. Permanent stoma after anterior resection for rectal cancer : prevalence and mechanisms

   Författare :Klas Holmgren; Martin Rutegård; Jörgen Rutegård; Markku M. Haapamäki; Peter Matthiessen; Malin Sund; Per J. Nilsson; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; rectal cancer; anterior resection; permanent stoma; defunctioning stoma; mesorectal excision; biomarkers; Surgery; kirurgi;

   Sammanfattning : While sphincter-saving surgery constitutes standard treatment for rectal cancer, anterior resection still harbours a significant risk of a permanent stoma in the long run. Although anastomotic leakage plays a major role in this surgical dilemma, the exact mechanisms are not known, while surveys indicate a stoma-free outcome is essential for a majority of patients. LÄS MER

3. 2. Building and Destroying Urns, Graphs, and Trees

   Författare :Fabian Burghart; Cecilia Holmgren; Svante Janson; Klas Markström; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : In this thesis, consisting of an introduction and four papers, different models in the mathematical area of combinatorial probability are investigated.In Paper I, two operations for combining generalised Pólya urns, called disjoint union and product, are defined. LÄS MER