Blar i Department of Clinical Medicine på forfatter "Lassen, Kristoffer"
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Aspirin as secondary prevention in colorectal cancer liver metastasis (ASAC trial): study protocol for a multicentre randomized placebo-controlled trial
Yaqub, Sheraz; Bjørnbeth, Bjørn Atle; Angelsen, Jon-Helge; Fristrup, Claus W.; Grønbech, Jon Erik; Hemmingsson, Oskar; Isaksson, Bengt; Juel, Ingebjørg Soterud; Larsen, Peter Nørgaard; Lindell, Gert; Mortensen, Frank V.; Mortensen, Kim Erlend; Rizell, Magnus; Sandström, Per; Sandvik, Oddvar Mathias; Sparrelid, Ernesto; Taflin, Helena; Taskén, Kjetil; Brudvik, Kristoffer Watten; Fretland, Åsmund Avdem; Horn, Arild; Kleive, Dyre; Labori, Knut Jørgen; Lassen, Kristoffer; Røsok, Bård Ingvald; Søreide, Jon Arne; Tholfsen, Tore; Villanger, Olaug; Waage, Anne (Journal article; Peer reviewed, 2021)Background Colorectal cancer is one the most common cancers in the western world with increasing incidence. Approximately 50% of the patients develop liver metastases. Resection of liver metastases is the treatment of ... -
Benchmarking of aggregated length of stay after open and laparoscopic surgery for cancers of the digestive system
Lassen, Kristoffer; Nymo, Linn Såve; Olsen, Frank; Søreide, Kjetil (Peer reviewed; Journal article, 2018-08-01)Background: Length of hospital stay (LOS) may serve as a surrogate measure of healthcare quality and resource use, particularly when transfers of care and readmissions are accounted for. This study aimed to benchmark true ... -
Centralizing a national pancreatoduodenectomy service: striking the right balance
Nymo, Linn Såve; Kleive, Dyre; Waardal, Kim; Bringeland, Erling Audun; Søreide, Jon Arne; Labori, Knut Jørgen; Mortensen, Kim Erlend; Søreide, Kjetil; Lassen, Kristoffer (Journal article; Peer reviewed, 2020)Background Centralization of pancreatic surgery is currently called for owing to superior outcomes in higher-volume centres. Conversely, organizational and patient concerns speak for a moderation in centralization. Consensus ... -
Neoadjuvant chemotherapy versus surgery first for resectable pancreatic cancer (Norwegian Pancreatic Cancer Trial - 1 (NorPACT-1)) – study protocol for a national multicentre randomized controlled trial
Labori, Knut Jørgen; Lassen, Kristoffer; Hoem, Dag; Grønbech, Jon Erik; Søreide, Jon Arne; Mortensen, Kim Erlend; Smaaland, Rune; Sorbye, Halfdan; Verbeke, Caroline Sophie; Dueland, Svein (Peer reviewed; Journal article, 2017-08-25)Background: Pancreatic cancer is the fourth leading cause of cancer-related death. While surgical resection remains the foundation for potentially curative treatment, survival benefit is achieved with adjuvant oncological ... -
Practice patterns in diagnostics, staging, and management strategies of gallbladder cancer among Nordic tertiary centers
Takala, Sini; Lassen, Kristoffer; Søreide, Kjetil; Sparrelid, Ernesto; Angelsen, Jon-Helge; Bringeland, Erling Audun; Eilard, Malin S.; Hemmingsson, Oskar; Isaksson, Bengt; Karjula, Heikki; Lammi, Jukka-Pekka; Larsen, Peter N.; Lavonius, Maija; Lindell, Gert; Mortensen, Frank V.; Mortensen, Kim Erlend; Nordin, Arno; Pless, Torsten; Sandström, Per; Sandvik, Oddvar Mathias; Vaalavuo, Yrjö; Villard, Christina; Sallinen, Ville (Journal article; Peer reviewed, 2023)Background and objective: Gallbladder cancer (GBC) is a rare malignancy in the Nordic countries and no common Nordic treatment guidelines exist. This study aimed to characterize the current diagnostic and treatment ... -
Risk factors, complications and survival after upper abdominal surgery: A prospective cohort study
Aahlin, Eirik Kjus; Tranø, Geir; Johns, Neil; Horn, Arild; Søreide, Jon Arne; Fearon, Kenneth Christopher H.; Revhaug, Arthur; Lassen, Kristoffer (Peer reviewed; Journal article, 2015-07-07)Background: Preoperative weight loss and abnormal serum-albumin have traditionally been associated with reduced survival. More recently, a correlation between postoperative complications and reduced long-term survival has ... -
Variation in use of open and laparoscopic distal pancreatectomy and associated outcome metrics in a universal health care system
Søreide, Kjetil; Nymo, Linn Såve; Kleive, Dyre; Olsen, Frank; Lassen, Kristoffer (Peer reviewed; Journal article, 2019)Background: Universal health care (UHC) should ensure equal access to and use of surgery, but few studies have explored variation in UHC systems. The objective was to describe practice of distal pancreatectomy in Norway ...