Kristoffer Lassen

  • Consultant MD, PhD
 

Publications 2018

Lassen K (2018)
Drain After Pancreatoduodenectomy: Methodological Issues
Ann Surg, 267 (3), e58
DOI 10.1097/SLA.0000000000002103, PubMed 29408838

Lassen K, Nymo LS, Olsen F, Brudvik KW, Fretland ÅA, Søreide K (2018)
Contemporary practice and short-term outcomes after liver resections in a complete national cohort
Langenbecks Arch Surg, 404 (1), 11-19
DOI 10.1007/s00423-018-1737-3, PubMed 30519886

Nymo LS, Søreide K, Kleive D, Olsen F, Lassen K (2018)
The effect of centralization on short term outcomes of pancreatoduodenectomy in a universal health care system
HPB (Oxford), 21 (3), 319-327
DOI 10.1016/j.hpb.2018.08.011, PubMed 30297306

Søreide K, Olsen F, Nymo LS, Kleive D, Lassen K (2018)
A nationwide cohort study of resection rates and short-term outcomes in open and laparoscopic distal pancreatectomy
HPB (Oxford) (in press)
DOI 10.1016/j.hpb.2018.10.006, PubMed 30391219

Publications 2017

Giske A, Nymo LS, Fuskevåg OM, Amundsen S, Simonsen GS, Lassen K (2017)
Systemic antibiotic prophylaxis prior to gastrointestinal surgery - is oral administration of doxycycline and metronidazole adequate?
Infect Dis (Lond), 49 (11-12), 785-791
DOI 10.1080/23744235.2017.1342044, PubMed 28657405

Labori KJ, Lassen K, Hoem D, Grønbech JE, Søreide JA, Mortensen K, Smaaland R, Sorbye H, Verbeke C, Dueland S (2017)
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
BMC Surg, 17 (1), 94
DOI 10.1186/s12893-017-0291-1, PubMed 28841916

Lassen K, Bjørnbeth BA, Line PD, Abildgaard A, Søreide JA, Mortensen K, Grønbech JE, Bringeland E, Horn A (2017)
Trump's ban on colleagues from Islamic countries
Lancet, 389 (10071), 804
DOI 10.1016/S0140-6736(17)30323-9, PubMed 28187914

Nymo LS, Aabakken L, Lassen K (2017)
Priority and prejudice: does low socioeconomic status bias waiting time for endoscopy? A blinded, randomized survey
Scand J Gastroenterol, 53 (5), 621-625
DOI 10.1080/00365521.2017.1402207, PubMed 29141477

Publications 2016

Aahlin EK, Olsen F, Uleberg B, Jacobsen BK, Lassen K (2016)
Major postoperative complications are associated with impaired long-term survival after gastro-esophageal and pancreatic cancer surgery: a complete national cohort study
BMC Surg, 16 (1), 32
DOI 10.1186/s12893-016-0149-y, PubMed 27193578

Publications 2015

Lassen K, Dejong CH, Revhaug A, Fearon K, Lobo DN, Ljungqvist O (2015)
Food at will after pancreaticoduodenectomies. Re. "Perioperative nutritional support of patients undergoing pancreatic surgery in the age of ERAS"
Nutrition, 31 (7-8), 1057-8
DOI 10.1016/j.nut.2015.02.013, PubMed 26059385

Publications 2014

Hughes M, Coolsen MM, Aahlin EK, Harrison EM, McNally SJ, Dejong CH, Lassen K, Wigmore SJ (2014)
Attitudes of patients and care providers to enhanced recovery after surgery programs after major abdominal surgery
J Surg Res, 193 (1), 102-10
DOI 10.1016/j.jss.2014.06.032, PubMed 25066187

Lassen K, Mortensen K, Griffiths E, Johna S, Nilsson M (2014)
Huge effect of arginine on survival in gastric cancer?
J Cancer Res Clin Oncol, 140 (4), 685
DOI 10.1007/s00432-014-1608-4, PubMed 24522403

Aahlin EK, von Meyenfeldt M, Dejong CH, Ljungqvist O, Fearon KC, Lobo DN, Demartines N, Revhaug A, Wigmore SJ, Lassen K (2014)
Functional recovery is considered the most important target: a survey of dedicated professionals
Perioper Med (Lond), 3, 5
DOI 10.1186/2047-0525-3-5, PubMed 25089195

Publications 2013

Cerantola Y, Valerio M, Persson B, Jichlinski P, Ljungqvist O, Hubner M, Kassouf W, Muller S, Baldini G, Carli F, Naesheimh T, Ytrebo L, Revhaug A, Lassen K, Knutsen T, Aarsether E, Wiklund P, Patel HR (2013)
Guidelines for perioperative care after radical cystectomy for bladder cancer: Enhanced Recovery After Surgery (ERAS(®)) society recommendations
Clin Nutr, 32 (6), 879-87
DOI 10.1016/j.clnu.2013.09.014, PubMed 24189391

Lassen K, Coolsen MM, Slim K, Carli F, de Aguilar-Nascimento JE, Schäfer M, Parks RW, Fearon KC, Lobo DN, Demartines N, Braga M, Ljungqvist O, Dejong CH, Enhanced Recovery After Surgery (ERAS) Society, for Perioperative Care, European Society for Clinical Nutrition and Metabolism (ESPEN), International Association for Surgical Metabolism and Nutrition (IASMEN) (2013)
Guidelines for perioperative care for pancreaticoduodenectomy: Enhanced Recovery After Surgery (ERAS®) Society recommendations
World J Surg, 37 (2), 240-58
DOI 10.1007/s00268-012-1771-1, PubMed 22956014

Patel HR, Cerantola Y, Valerio M, Persson B, Jichlinski P, Ljungqvist O, Hubner M, Kassouf W, Müller S, Baldini G, Carli F, Naesheim T, Ytrebo L, Revhaug A, Lassen K, Knutsen T, Aarsaether E, Wiklund P, Catto JW (2013)
Enhanced recovery after surgery: are we ready, and can we afford not to implement these pathways for patients undergoing radical cystectomy?
Eur Urol, 65 (2), 263-6
DOI 10.1016/j.eururo.2013.10.011, PubMed 24183418

Publications 2012

Coolsen MM, Wong-Lun-Hing EM, van Dam RM, van der Wilt AA, Slim K, Lassen K, Dejong CH (2012)
A systematic review of outcomes in patients undergoing liver surgery in an enhanced recovery after surgery pathways
HPB (Oxford), 15 (4), 245-51
DOI 10.1111/j.1477-2574.2012.00572.x, PubMed 23458424

Lassen K, Coolsen MM, Slim K, Carli F, de Aguilar-Nascimento JE, Schäfer M, Parks RW, Fearon KC, Lobo DN, Demartines N, Braga M, Ljungqvist O, Dejong CH, ERAS® Society, European Society for Clinical Nutrition and Metabolism, International Association for Surgical Metabolism and Nutrition (2012)
Guidelines for perioperative care for pancreaticoduodenectomy: Enhanced Recovery After Surgery (ERAS®) Society recommendations
Clin Nutr, 31 (6), 817-30
DOI 10.1016/j.clnu.2012.08.011, PubMed 23079762

Lassen K, Hϕye A, Myrmel T (2012)
Randomised trials in surgery: the burden of evidence
Rev Recent Clin Trials, 7 (3), 244-8
PubMed 22621283

Robertson N, Gallacher PJ, Peel N, Garden OJ, Duxbury M, Lassen K, Parks RW (2012)
Implementation of an enhanced recovery programme following pancreaticoduodenectomy
HPB (Oxford), 14 (10), 700-8
DOI 10.1111/j.1477-2574.2012.00521.x, PubMed 22954007

van Dam RM, Wong-Lun-Hing EM, van Breukelen GJ, Stoot JH, van der Vorst JR, Bemelmans MH, Olde Damink SW, Lassen K, Dejong CH, ORANGE II Study Group (2012)
Open versus laparoscopic left lateral hepatic sectionectomy within an enhanced recovery ERAS® programme (ORANGE II-trial): study protocol for a randomised controlled trial
Trials, 13, 54
DOI 10.1186/1745-6215-13-54, PubMed 22559239

Publications 2010

Lassen K (2010)
[Perioperative treatment]
Tidsskr Nor Laegeforen, 130 (11), 1122
DOI 10.4045/tidsskr.10.0493, PubMed 20531493

Lassen K (2010)
[Perioperative treatment: in the track of the anesthesiologists]
Tidsskr Nor Laegeforen, 130 (15), 1449
DOI 10.4045/tidsskr.10.0715, PubMed 20706298

Lassen K (2010)
[What happened with anesthesiologists?]
Tidsskr Nor Laegeforen, 130 (7), 720
DOI 10.4045/tidsskr.10.0252, PubMed 20379325

Publications 2009

Lassen K, Soop M, Nygren J, Cox PB, Hendry PO, Spies C, von Meyenfeldt MF, Fearon KC, Revhaug A, Norderval S, Ljungqvist O, Lobo DN, Dejong CH, Enhanced Recovery After Surgery (ERAS) Group (2009)
Consensus review of optimal perioperative care in colorectal surgery: Enhanced Recovery After Surgery (ERAS) Group recommendations
Arch Surg, 144 (10), 961-9
DOI 10.1001/archsurg.2009.170, PubMed 19841366

Publications 2008

Lassen K, Kjaeve J, Fetveit T, Tranø G, Sigurdsson HK, Horn A, Revhaug A (2008)
Allowing normal food at will after major upper gastrointestinal surgery does not increase morbidity: a randomized multicenter trial
Ann Surg, 247 (5), 721-9
DOI 10.1097/SLA.0b013e31815cca68, PubMed 18438106

Lassen K, Trano G, Horn A, Revhaug A (2008)
Early Oral Feeding After Major Digestive Surgery Reply
Ann. Surg., 248 (6), 1109-1110

Publications 2007

Lassen K, Kjaeve J, Vonen B, Revhaug A (2007)
[Suprapubic bladder drainage after abdominal surgery in Norway]
Tidsskr Nor Laegeforen, 127 (10), 1402
PubMed 17520006

Publications 2006

Lassen K, Christensen AH, Revhaug A, Lindsetmo RO (2006)
A completely nurse-driven PICC-line service in a surgical ward: a prospective audit of the implementation-phase in unselected patients
Clin Nutr, 25 (3), 541-2
DOI 10.1016/j.clnu.2005.12.004, PubMed 16697501

Lassen K, Revhaug A (2006)
Early oral nutrition after major upper gastrointestinal surgery: why not?
Curr Opin Clin Nutr Metab Care, 9 (5), 613-7
DOI 10.1097/01.mco.0000241673.17300.87, PubMed 16912559

Publications 2005

Lassen K, Dejong CH, Ljungqvist O, Fearon K, Andersen J, Hannemann P, von Meyenfeldt MF, Hausel J, Nygren J, Revhaug A (2005)
Nutritional support and oral intake after gastric resection in five northern European countries
Dig Surg, 22 (5), 346-52; discussion 352
DOI 10.1159/000089770, PubMed 16293965

Lassen K, Hannemann P, Ljungqvist O, Fearon K, Dejong CH, von Meyenfeldt MF, Hausel J, Nygren J, Andersen J, Revhaug A, Enhanced Recovery After Surgery Group (2005)
Patterns in current perioperative practice: survey of colorectal surgeons in five northern European countries
BMJ, 330 (7505), 1420-1
DOI 10.1136/bmj.38478.568067.AE, PubMed 15911535

Nygren J, Hausel J, Kehlet H, Revhaug A, Lassen K, Dejong C, Andersen J, von Meyenfeldt M, Ljungqvist O, Fearon KC (2005)
A comparison in five European Centres of case mix, clinical management and outcomes following either conventional or fast-track perioperative care in colorectal surgery
Clin Nutr, 24 (3), 455-61
DOI 10.1016/j.clnu.2005.02.003, PubMed 15896433

Publications 2003

Gilbert M, Wisborg T, Bjørsyik G, Lassen K, Hesselberg N, Waerhaug K, Filseth OM (2003)
[Sharp condemnation, not a cold professional assessment!]
Tidsskr Nor Laegeforen, 123 (3), 365; author reply 365
PubMed 12640910

Publications 2002

Lassen K, Revhaug A, Gauperaa T, Kearney M (2002)
Pedunculated lipoma of the oesophagus in a patient with achalasia
Eur J Surg, 168 (12), 741-3
DOI 10.1080/11024150201680034, PubMed 15362587

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