Lassen, Kristoffer
Linn Såve Nymo,
Kristoffer Lassen,
Tor Åge Myklebust,
Bjørn Møller
:
Treatment and survival of patients with pancreatic ductal adenocarcinoma: 15-year national cohort
Mushegh Sahakyan,
Davit Aghayan,
Bjørn von Gohren Edwin,
Ruslan Alikhanov,
Natalia Britskaia,
Kristoffer Watten Brudvik
et al.:
Laparoscopic versus open liver resection for intrahepatic cholangiocarcinoma: a multicenter propensity score-matched study
Ayham Alshbib,
Krzysztof Grzyb,
Trygve Syversveen,
Henrik Mikael Reims,
Kristoffer Lassen,
Sheraz Yaqub
:
Biliary Adenofibroma: A Rare Liver Tumor with Transition to Invasive Carcinoma
Case reports in surgery 2022 DOI
Knut Jørgen Labori,
Tore Tholfsen,
Sheraz Yaqub,
Kristoffer Lassen,
Dyre Kleive,
Anne Waage
:
Gastro- or Duodenojejunostomy Leaks After Pancreatoduodenectomy: Single Center Experience and Narrative Literature Review
Mushegh A. Sahakyan,
Caroline S. Verbeke,
Tore Tholfsen,
Dejan Ignjatovic,
Dyre Kleive,
Trond Buanes
et al.:
Prognostic Impact of Resection Margin Status in Distal Pancreatectomy for Ductal Adenocarcinoma
Kushtrim Kryeziu,
Seyed Hossein Moosavi,
Christian Holst Bergsland,
Marianne Guren,
Peter Andreas Wold Eide,
Max Totland
et al.:
Increased sensitivity to SMAC mimetic LCL161 identified by longitudinal ex vivo pharmacogenomics of recurrent, KRAS mutated rectal cancer liver metastases
Davit Aghayan,
Airazat Kazaryan,
Åsmund Avdem Fretland,
Bård Ingvald Røsok,
Leonid Barkhatov,
Kristoffer Lassen
et al.:
Evolution of laparoscopic liver surgery: 20-year experience of a Norwegian high-volume referral center
Sheraz Yaqub,
Bjørn Atle Bjørnbeth,
Jon-Helge Angelsen,
Claus W. Fristrup,
Jon Erik Grønbech,
Oskar Hemmingsson
et al.:
Aspirin as secondary prevention in colorectal cancer liver metastasis (ASAC trial): study protocol for a multicentre randomized placebo-controlled trial
Linn Såve Nymo,
Dyre Kleive,
Kim Waardal,
Erling Audun Bringeland,
Jon Arne Søreide,
Knut Jørgen Labori
et al.:
Centralizing a national pancreatoduodenectomy service: striking the right balance
Emmanuel Melloul,
Kristoffer Lassen,
Didier Roulin,
Fabian Grass,
Julie Perinel,
Mustapha Adham
et al.:
Guidelines for perioperative care for pancreatoduodenectomy: Enhanced Recovery After Surgery (ERAS) recommendations 2019
World Journal of Surgery 2020 DOI
Eli Skeie,
Randi Julie Tangvik,
Linn Såve Nymo,
Stig Harthug,
Kristoffer Lassen,
Asgaut Viste
:
Weight loss and BMI criteria in GLIM's definition of malnutrition is associated with postoperative complications following abdominal resections – Results from a National Quality Registry
Dyre Kleive,
Mushegh Sahakyan,
Knut Jørgen Labori,
Kristoffer Lassen
:
Nasogastric Tube on Demand is Rarely Necessary After Pancreatoduodenectomy Within an Enhanced Recovery Pathway
Kjetil Søreide,
Linn Såve Nymo,
Dyre Kleive,
Frank Olsen,
Kristoffer Lassen
:
Variation in use of open and laparoscopic distal pancreatectomy and associated outcome metrics in a universal health care system
Kristoffer Watten Brudvik,
Sheraz Yaqub,
E Kemsley,
MME Coolsen,
CHC Dejong,
SJ Wigmore
et al.:
Survey of the attitudes of hepatopancreaticobiliary surgeons in northern Europe to resection of choledohal cysts in asymptomatic Western adults
BJS Open 2019 DOI
Linn Såve Nymo,
Lars Aabakken,
Kristoffer Lassen
:
Priority and prejudice: does low socioeconomic status bias waiting time for endoscopy? A blinded,randomized survey
Scandinavian Journal of Gastroenterology 2018 DOI
Kristoffer Lassen,
Linn Såve Nymo,
Frank Olsen,
Kristoffer Watten Brudvik,
Åsmund Avdem Fretland,
Kjetil Søreide
:
Contemporary practice and short-term outcomes after liver resections in a complete national cohort
Langenbeck's Archives of Surgery 2018 DOI
Linn Såve Nymo,
Stig Norderval,
Morten Tandberg Eriksen,
Hans Wasmuth,
Hartwig Kørner,
Bjørn Atle Bjørnbeth
et al.:
Short-term outcomes after elective colon cancer surgery: an observational study from the Norwegian registry for gastrointestinal and HPB surgery, NoRGast
Kjetil Søreide,
Frank Olsen,
Linn Såve Nymo,
Dyre Kleive,
Kristoffer Lassen
:
A nationwide cohort study of resection rates and short-term outcomes in open and laparoscopic distal pancreatectomy
HPB 2018 DOI
Kristoffer Lassen,
Linn Såve Nymo,
Hartwig Kørner,
Kevin Otto Thon,
Torkil Grindstein,
Hans Wasmuth
et al.:
The New National Registry for Gastrointestinal Surgery in Norway: NoRGast
Linn Såve Nymo,
Kjetil Søreide,
Dyre Kleive,
Frank Olsen,
Kristoffer Lassen
:
The effect of centralization on short term outcomes of pancreatoduodenectomy in a universal health care system
HPB 2018 DOI
Kristoffer Lassen,
Linn Såve Nymo,
Frank Olsen,
Kjetil Søreide
:
Benchmarking of aggregated length of stay after open and laparoscopic surgery for cancers of the digestive system
Knut Jørgen Labori,
Kristoffer Lassen,
Dag Hoem,
Jon Erik Grønbech,
Jon Arne Søreide,
Kim Erlend Mortensen
et al.:
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
Anneli Giske,
Linn Såve Nymo,
Ole-Martin Fuskevåg,
Siri Amundsen,
Gunnar Skov Simonsen,
Kristoffer Lassen
:
Systemic antibiotic prophylaxis prior to gastrointestinal surgery – is oral administration of doxycycline and metronidazole adequate?
Infectious Diseases 2017 DOI
Eirik Kjus Aahlin,
Frank Olsen,
Bård Uleberg,
Bjarne K. Jacobsen,
Kristoffer Lassen
:
Major postoperative complications are associated with impaired long-term survival after gastro-esophageal and pancreatic cancer surgery: a complete national cohort
study
Eirik Kjus Aahlin,
Gerd Tranø,
N Johns,
Arild Horn,
Jon Arne Søreide,
KC Fearon
et al.:
Health-related quality of life, cachexia and overall survival after major upper abdominal surgery: A prospective cohort study
Scandinavian Journal of Surgery 2016 DOI
Andrew Currie,
Jennifer Burch,
John T. Jenkins,
Omar Faiz,
Robin H. Kennedy,
Olle Ljungqvist
et al.:
The impact of enhanced recovery protocol compliance on elective colorectal cancer resection: Results from an international registry
Annals of Surgery 2015 DOI
Michael Hughes,
Mariëlle M.E. Coolsen,
Eirik Kjus Aahlin,
Ewen M Harrison,
Stephen J McNally,
C. H. C Dejong
et al.:
Attitudes of patients and care providers to enhanced recovery after surgery programs after major abdominal surgery
Journal of Surgical Research 2015 DOI
Eirik Kjus Aahlin,
Gerd Tranø,
Neil Johns,
Arild Horn,
Jon Arne Søreide,
Kenneth Christopher H. Fearon
et al.:
Risk factors, complications and survival after upper abdominal surgery: A prospective cohort study
Kim Erlend Mortensen,
Magnus Frohm Nilsson,
Karem Slim,
Markus Schäfer,
Christophe Mariette,
Marco Braga
et al.:
Consensus guidelines for enhanced recovery after gastrectomy: Enhanced Recovery after Surgery (ERAS®) Society recommendations
British Journal of Surgery 2014 DOI
Eirik Kjus Aahlin,
Maarten von Meyenfeldt,
Cornelis H.C. Dejong,
Olle Ljungqvist,
Kenneth C. Fearon,
Dileep N Lobo
et al.:
Functional recovery is considered the most important target: a survey of dedicated professionals
Yannick Cerantola,
Massimo Valerio,
Beata Persson,
Patrice Jichlinski,
Olle Ljungqvist,
Martin Hubner
et al.:
Guidelines for perioperative care after radical cystectomy for bladder cancer: Enhanced Recovery After Surgery (ERAS®) society recommendations
Clinical Nutrition 2013 DOI
Kenneth C. Fearon,
John T. Jenkins,
Francesco Carli,
Kristoffer Lassen
:
Patient optimization for gastrointestinal cancer surgery
British Journal of Surgery 2013 DOI
Mariëlle M.E. Coolsen,
Ronald M. van Dam,
Aart A. van der Wilt,
Karem Slim,
Kristoffer Lassen,
Cornelis H.C. Dejong
:
Systematic Review and Meta-analysis of Enhanced Recovery After Pancreatic Surgery with Particular Emphasis on Pancreaticoduodenectomies
World Journal of Surgery 2013 DOI
Mariëlle M.E. Coolsen,
Edgar M. Wong-Lun-Hing,
Ronald M. van Dam,
Aart A. van der Wilt,
Karem Slim,
Kristoffer Lassen
et al.:
A systematic review of outcomes in patients undergoing liver surgery in an enhanced recovery after surgery pathways
HPB 2013 DOI
Kristoffer Lassen,
Mariëlle M.E. Coolsen,
Karem Slim,
Francesco Carli,
Jose de Aguilar-Nascimento,
Markus Schäfer
et al.:
Guidelines for Perioperative Care for Pancreaticoduodenectomy: Enhanced Recovery After Surgery (ERAS((R))) Society Recommendations
World Journal of Surgery 2013 DOI
Nichola Robertson,
Peter James Gallacher,
Nathalie Peel,
James Garden,
Mark Duxbury,
Kristoffer Lassen
et al.:
Implementation of an enhanced recovery programme following pancreaticoduodenectomy
HPB 2012 DOI
Kristoffer Lassen,
MME Coolsen,
Karem Slim,
Francesco Carli,
Jose de Aguilar-Nascimento,
Markus Schäfer
et al.:
Guidelines for perioperative care for pancreaticoduodenectomy: Enhanced Recovery After Surgery (ERAS (R)) Society recommendations
Clinical Nutrition 2012 DOI
Kristoffer Lassen,
Anne Høye,
Truls Myrmel
:
Randomised Trials in Surgery: The Burden of Evidence
Reviews on recent clinical trials 2012 DOI
Hanne Hamre,
Kristoffer Lassen
:
Bedre oversikt over pankreaskreft i Norge
Tidsskrift for Den norske legeforening 2021 DOI
Kristoffer Lassen
:
The tube, the pancreatoduodenectomy-and the dogma
BJS Open 2021 DOI
Marcus Holmberg,
Hanna Koppatz,
Anders Jansson,
Jens Georg Hillingsø,
Peter Noergaard Larsen,
Kristoffer Lassen
et al.:
Secondary effects of the COVID-19 pandemic on surgical management of hepatopancreatobiliary malignancies in the Nordic capitals
British Journal of Surgery 2021 DOI
Kristin Hammersbøen Bjørlykke,
Lars Lohne Eftang,
Krzysztof Grzyb,
Pål Dag Line,
Kristoffer Lassen,
Jørgen Jahnsen
:
A man in his fifties with abdominal pain, itching and weight loss
Tidsskrift for Den norske legeforening 2020 DOI
Kjetil Søreide,
Linn Såve Nymo,
Kristoffer Lassen
:
Centralization of Pancreatic Surgery in Europe: an Update
Journal of Gastrointestinal Surgery 2019 DOI
Kristoffer Lassen
:
Drain after Pancreatoduodenectomy: Methodological Issues
Annals of Surgery 2018 DOI
Kristoffer Lassen,
Bjørn Atle Bjørnbeth,
Pål Dag Line,
Andreas Abildgaard,
Jon Arne Søreide,
Kim Erlend Mortensen
et al.:
Trump's ban on colleagues from Islamic countries
The Lancet 2017 DOI
Kristoffer Lassen,
Cornelis H.C. Dejong,
Arthur Revhaug,
Ken Fearon,
Dileep N. Lobo,
Olle Ljungqvist
:
Food at will after pancreaticoduodenectomies. Re. "Perioperative nutritional support of patients undergoing pancreatic surgery in the age of ERAS"
Nutrition - The International Journal of Applied and Basic Nutritional Sciences 2015 DOI
Jon Arne Søreide,
Jon Erik Grønbech,
Kristoffer Lassen,
Svein Dueland,
Rune Smaaland,
Ivar Prydz Gladhaug
et al.:
Nasjonalt handlingsprogram med retningslinjer for diagnostikk, behandling og oppfølging av pasienter med pancreaskreft
2014 FULLTEKST
Kristoffer Lassen,
Kim Erlend Mortensen,
Elizabeth P. Griffiths,
Samir Johna,
Magnus Nilsson
:
Huge effect of arginine on survival in gastric cancer?
Journal of Cancer Research and Clinical Oncology 2014 DOI
Hitendra R.H. Patel,
Yannick Cerantola,
Massimo Valerio,
Beata Persson,
Patrice Jichlinski,
Olle Ljungqvist
et al.:
Enhanced recovery after surgery: are we ready, and can we afford not to implement these pathways for patients undergoing radical cystectomy?
European Urology 2014 SAMMENDRAG / DOI
Kristoffer Lassen,
O Ljungqvist
:
Pancreaticoduodenectomy: ERAS recommendations
Clinical Nutrition 2013 DOI
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