Erlend Tuseth Aasheim

Norwegian version of this page
Phone +47-95046564
Username
Visiting address Forskningsveien 3A Harald Schjelderups hus 0373 OSLO
Postal address Postboks 1089 Blindern 0317 OSLO

Academic interests

  • Leadership
  • Patient Safety
  • Obesity, Nutrition
  • Academic Publishing
  • Sustainable Health Care

Courses taught

  • MED3005 Literature studies and systematic reviews

Background

  • County Medical Officer, County of Oppland, 2015-
  • Specialist in Community Medicine, Norway, 2016
  • Specialist in Public Health Medicine, UK, 2016
  • MPhil, Public Health, University of Cambridge, 2012
  • PhD, University of Oslo, 2010
  • MD, University of Bergen, 2002
  • BSc, University of Bergen, 1999

Awards

  • Michael O´Brien prize, Faculty of Public Health 2013
  • Best PhD thesis runner-up, European Association for the Study of Obesity, 2010
  • Best original article, Norwegian Association for the Study of Obesity, 2010
  • Best oral presentation, Norwegian Society of Medical Biochemistry, 2009

Publications

  • Risstad, Hilde; Svanevik, Marius; Kristinsson, Jon Adalsteinn; Hjelmesæth, Jøran; AASHEIM, ERLEND T.; Hofsø, Dag; Søvik, Torgeir Thorson; Karlsen, Tor-Ivar; Fagerland, Morten; Sandbu, Rune & Mala, Tom (2016). Standard vs distal roux-en-Y gastric bypass in patients with body mass index 50 to 60 a double-blind, randomized clinical trial. JAMA Surgery.  ISSN 2168-6254.  151(12), s 1146- 1155 . doi: 10.1001/jamasurg.2016.2798
  • Valderhaug, Tone Gretland; AASHEIM, ERLEND T.; Sandbu, Rune; Jakobsen, Gunn Signe; Småstuen, Milada C; Hertel, Jens Kristoffer & Hjelmesæth, Jøran (2016). The association between severity of King’s Obesity Staging Criteria scores and treatment choice in patients with morbid obesity: a retrospective cohort study. BMC Obesity.  ISSN 2052-9538.  3(51) . doi: 10.1186/s40608-016-0133-1
  • Aaseth, Eirik; Fagerland, Morten; Aas, Anne-Marie; Hewitt, Stephen I; Risstad, Hanne; Kristinsson, Jon Adalsteinn; Bøhmer, Thomas; Mala, Tom & AASHEIM, ERLEND T. (2015). Vitamin concentrations 5 years after gastric bypass. European Journal of Clinical Nutrition.  ISSN 0954-3007.  69, s 1249- 1255 . doi: 10.1038/ejcn.2015.82 Show summary
  • Risstad, Hilde; Søvik, Torgeir Thorson; Engström, My; AASHEIM, ERLEND T.; Fagerland, Morten; Olsén, Monika Fagervik; Kristinsson, Jon Adalsteinn; le Roux, Carel W.; Bøhmer, Thomas; Birkeland, Kåre I.; Mala, Tom & Olbers, Torsten (2015). Five-year outcomes after laparoscopic gastric bypass and laparoscopic duodenal switch in patients with body mass index of 50 to 60: A randomized clinical trial. JAMA Surgery.  ISSN 2168-6254.  150(4), s 352- 361 . doi: 10.1001/jamasurg.2014.3579
  • Hewitt, Stephen; Hummerfeldt, Sjur; Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Risstad, Hilde; Kristinsson, Jon Adalsteinn & Mala, Tom (2014). Long-term improvements in pulmonary function 5 years after bariatric surgery. Obesity Surgery.  ISSN 0960-8923.  24(5), s 705- 711 . doi: 10.1007/s11695-013-1159-9
  • Gjersvik, Petter; Gulbrandsen, Pål; AASHEIM, ERLEND T. & Nylenna, Magne (2013). Dårlig tittel - dårlig manus?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  133, s 2475- 2477 . doi: 10.4045/tidsskr.13.1077
  • Hewitt, Stephen; Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Kristinsson, Jon Adalsteinn; Jahnsen, Jørgen; Birketvedt, Grethe; Eriksen, Erik Fink; Mala, Tom & Bøhmer, Thomas (2013). Secondary Hyperparathyroidism, Vitamin D Sufficiency, and Serum Calcium 5 Years After Gastric Bypass and Duodenal Switch. Obesity Surgery.  ISSN 0960-8923.  23(3), s 384- 390 . doi: 10.1007/s11695-012-0772-3
  • Johnson, Line Kristin; Andersen, Lene Frost; Hofsø, Dag; AASHEIM, ERLEND T.; Holven, Kirsten Bjørklund; Sandbu, Rune; Røislien, Jo & Hjelmesæth, Jøran (2013). Dietary changes in obese patients undergoing gastric bypass or lifestyle intervention: A clinical trial. British Journal of Nutrition.  ISSN 0007-1145.  110(1), s 127- 134 . doi: 10.1017/S0007114512004631
  • Søvik, Torgeir Thorson; Karlsson, Jan; AASHEIM, ERLEND T.; Fagerland, Morten; Bjorkman, Sofia; Engstrom, My; Kristinsson, Jon Adalsteinn; Olbers, Torsten & Mala, Tom (2013). Gastrointestinal function and eating behavior after gastric bypass and duodenal switch. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.  9(5), s 641- 647 . doi: 10.1016/j.soard.2012.06.006
  • Wium, Cecilie; AASHEIM, ERLEND T.; Ueland, Thor; Michelsen, Annika; Thorsby, Per Medbøe; Larsen, Ingegerd Frøyshov; Torjesen, Peter A; Aukrust, Pål & Birkeland, Kåre I. (2013). Differences in insulin sensitivity, lipid metabolism and inflammation between young adult Pakistani and Norwegian patients with type 2 diabetes: a cross sectional study. BMC Endocrine Disorders.  ISSN 1472-6823.  13(49) . doi: 10.1186/1472-6823-13-49 Full text in Research Archive.
  • AASHEIM, ERLEND T.; Johnson, Line Kristin; Hofsø, Dag; Bøhmer, Thomas & Hjelmesæth, Jøran (2012). Vitamin status after gastric bypass and lifestyle intervention: a comparative prospective study. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.  8(2), s 169- 175 . doi: doi:10.1016/j.soard.2011.01.038
  • Haukeland, John Willy; Dahl, Tuva Børresdatter; Yndestad, Arne; Gladhaug, Ivar Prydz; Løberg, Else Marit; Haaland, Therese Kristina; Zbigniew, Konopski; Wium, Cecilie; AASHEIM, ERLEND T.; Johansen, Odd Erik; Aukrust, Pål; Halvorsen, Bente & Birkeland, Kåre I. (2012). Fetuin A in nonalcoholic fatty liver disease: in vivo and in vitro studies. European Journal of Endocrinology.  ISSN 0804-4643.  166(3), s 503- 510 . doi: 10.1530/EJE-11-0864
  • Johnson, Line Kristin; Hofsø, Dag; AASHEIM, ERLEND T.; Tanbo, Tom Gunnar; Holven, Kirsten Bjørklund; Andersen, Lene Frost; Røislien, Jo & Hjelmesæth, Jøran (2012). Impact of gender on vitamin D deficiency in morbidly obese patients: a cross-sectional study. European Journal of Clinical Nutrition.  ISSN 0954-3007.  66(1), s 83- 90 . doi: 10.1038/ejcn.2011.140
  • Pournaras, D J; AASHEIM, ERLEND T.; Søvik, Torgeir Thorson; Andrews, Richard; Mahon, D; Welbourn, R; Olbers, T & le Roux, C W (2012). Effect of the definition of type II diabetes remission in the evaluation of bariatric surgery for metabolic disorders. British Journal of Surgery.  ISSN 0007-1323.  99(1), s 100- 103 . doi: 10.1002/bjs.7704
  • Aasheim, Erlend T; Elshorbagy, Amany K; Diep, Lien My; Søvik, Torgeir Thorson; Mala, Tom; Valdivia-Garcia, Maria; Olbers, Torsten; Bøhmer, Thomas; Birkeland, Kåre I. & Refsum, Helga (2011). Effect of bariatric surgery on sulphur amino acids and glutamate. British Journal of Nutrition.  ISSN 0007-1145.  106(3), s 432- 440 . doi: 10.1017/S0007114511000201 Full text in Research Archive.
  • Hofsø, Dag; AASHEIM, ERLEND T.; Søvik, Torgeir Thorson; Jakobsen, Gunn Signe; Johnson, Line Kristin; Sandbu, Rune; Aas, Alf Tore; Kristinsson, Jon Adalsteinn & Hjelmesæth, Jøran (2011). Oppfølging etter fedmekirurgi. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  131, s 1887- 1892 . doi: 10.4045/tidsskr.10.1463 Show summary
  • Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Taha, Osama; Engstrom, My; Fagerland, Morten; Bjorkman, Sofia; Kristinsson, Jon Adalsteinn; Birkeland, Kåre I.; Mala, Tom & Olbers, Torsten (2011). Weight Loss, Cardiovascular Risk Factors, and Quality of Life After Gastric Bypass and Duodenal Switch A Randomized Trial. Annals of Internal Medicine.  ISSN 0003-4819.  155(5), s 281- U34
  • AASHEIM, ERLEND T.; Frigstad, Svein-Oskar; Søvik, Torgeir Thorson; Birkeland, Kåre I. & Haukeland, John Willy (2010). Hyperinsulinemic hypoglycemia and liver cirrhosis presenting after duodenal switch: a case report. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.  6(4), s 441- 443 . doi: 10.1016/j.soard.2009.11.007
  • Søvik, Torgeir Thorson; Irandoust, Babak; Birkeland, Kåre I.; AASHEIM, ERLEND T.; Schou, Carl Fredrik; Kristinsson, Jon Adalsteinn & Mala, Tom (2010). Type 2-diabetes og metabolsk syndrom før og etter gastrisk bypass. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  130(13), s 1347- 1350
  • Søvik, Torgeir Thorson; Taha, Osama; AASHEIM, ERLEND T.; Engström, My; Kristinsson, Jon Adalsteinn; Björkman, Sofia; Schou, Carl-Fredrik; Lönroth, Hans; Mala, Tom & Olbers, Torsten (2010). Randomized clinical trial of laparoscopic gastric bypass versus laparoscopic duodenal switch for superobesity. British Journal of Surgery.  ISSN 0007-1323.  97(2), s 160- 166 . doi: 10.1002/bjs.6802
  • AASHEIM, ERLEND T.; Bjorkman, Sofia; Søvik, Torgeir Thorson; Engstrom, My; Hanvold, Susanna; Mala, Tom; Olbers, Torsten & Bøhmer, Thomas (2009). Vitamin status after bariatric surgery: a randomized study of gastric bypass and duodenal switch. American Journal of Clinical Nutrition.  ISSN 0002-9165.  90(1), s 15- 22 . doi: 10.3945/ajcn.2009.27583
  • Hjelmesæth, Jøran; Hjelmesaeth, J; Hofsø, Dag; Hofso, D; Aasheim, Erlend T; Jenssen, Trond Geir; Moan, Johan; Hager, Helle; Hager, H; Røislien, Jo & Bollerslev, Jens (2009). Parathyroid hormone, but not vitamin D, is associated with the metabolic syndrome in morbidly obese women and men: a cross-sectional study. Cardiovascular Diabetology.  ISSN 1475-2840.  8 . doi: 10.1186/1475-2840-8-7 Full text in Research Archive.
  • Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Kristinsson, Jon Adalsteinn; Schou, Carl Fredrik; Diep, Lien My; Nesbakken, Arild & Mala, Tom (2009). Establishing Laparoscopic Roux-en-Y Gastric Bypass: Perioperative Outcome and Characteristics of the Learning Curve. Obesity Surgery.  ISSN 0960-8923.  19(2), s 158- 165 . doi: 10.1007/s11695-008-9584-x
  • AASHEIM, ERLEND T. (2008). Wernicke Encephalopathy After Bariatric Surgery A Systematic Review. Annals of Surgery.  ISSN 0003-4932.  248(5), s 714- 720 . doi: 10.1097/SLA.0b013e3181884308
  • AASHEIM, ERLEND T.; Hofso, D; Hjelmesaeth, J; Birkeland, Kåre I. & Bøhmer, Thomas (2008). Vitamin status in morbidly obese patients: a cross-sectional study. American Journal of Clinical Nutrition.  ISSN 0002-9165.  87(2), s 362- 369
  • AASHEIM, ERLEND T.; Hofsø, Dag; Hjelmesæth, Jøran & Sandbu, Rune (2008). Peripheral neuropathy and severe malnutrition following duodenal switch. Obesity Surgery.  ISSN 0960-8923.  12, s 1640- 1643 . doi: 10.1007/s11695-008-9539-2
  • AASHEIM, ERLEND T.; Mala, Tom; Søvik, Torgeir Thorson; Kristinsson, Jon Adalsteinn & Bøhmer, Thomas (2007). Kirurgisk behandling av sykelig fedme. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  127, s 38- 42
  • Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Kristinsson, Jon Adalsteinn; Schou, Carl Fredrik; Nesbakken, Arild & Mala, Tom (2007). Kirurgisk behandling av sykelig fedme ved et regionalt sentr. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  127, s 47- 49

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  • Risstad, Hilde; Svanevik, Marius; Kristinsson, Jon Adalsteinn; Hjelmesæth, Jøran; AASHEIM, ERLEND T.; Hofsø, Dag; Søvik, Torgeir Thorson; Karlsen, Tor-Ivar; Fagerland, Morten; Sandbu, Rune & Mala, Tom (2015). Proximal versus distal gastric bypass in patients with body mass index 50-60 kg/m2: A double-blind, randomized clinical trial.. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.  11(6), s S1- S2 . doi: http://dx.doi.org/10.1016/j.soard.2015.10.003 Show summary
  • Svanevik, Marius; Risstad, Hilde; Kristinsson, Jon Adalsteinn; Hjelmesæth, Jøran; AASHEIM, ERLEND T.; Hofsø, Dag; Søvik, Torgeir Thorson; Karlsen, Tor-Ivar; Fagerland, Morten Wang; Mala, Tom & Sandbu, Rune (2015). Helserelatert livskvalitet og tarmfunksjon etter proksimal og distal gastrisk bypass – en dobbelt blind randomisert kontrollert studie.
  • Valderhaug, Tone Gretland; Hjelmesæth, Jøran; Sandbu, Rune; AASHEIM, ERLEND T. & Hertel, Jens Kristoffer (2015). The utility of obesity staging classification systems in selecting persons for bariatric surgery.
  • Valderhaug, Tone Gretland; Hjelmesæth, Jøran; Sandbu, Rune; AASHEIM, ERLEND T. & Hertel, Jens Kristoffer (2015). The utility of obesity staging classification systems in selecting persons for bariatric surgery. Obesity Facts.  ISSN 1662-4025.
  • Gjersvik, Petter; Gulbrandsen, Pål; Aasheim, Erlend T. & Nylenna, Magne (2014). P. Gjersvik og medarbeidere svarer:. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  134(4), s 382- 383 . doi: 10.4045/tidsskr.14.0144
  • AASHEIM, ERLEND T. (2010). The Alcohol Factor in Wernicke's Encephalopathy Post Bariatric Surgery Reply. Annals of Surgery.  ISSN 0003-4932.  251(5), s 993- 994 . doi: 10.1097/SLA.0b013e3181db38a1
  • AASHEIM, ERLEND T.; Birkeland, Kåre I. & Bøhmer, Thomas (2010). Erratum. American Journal of Clinical Nutrition.  ISSN 0002-9165.  91(1), s 239- 240
  • AASHEIM, ERLEND T. & Bøhmer, Thomas (2010). Vitamin concentrations in Scandinavian obese subjects undergoing surgical and non-surgical weight loss. Series of dissertations submitted to the Faculty of Medicine, University of Oslo. 976.
  • AASHEIM, ERLEND T.; Hofsø, Dag & Søvik, Torgeir Thorson (2010). Vitamin supplements after bariatric surgery. Clinical Endocrinology.  ISSN 0300-0664.  72(1), s 134- 135 . doi: 10.1111/j.1365-2265.2009.03611.x
  • Haukeland, John Willy; Zbigniew, Konopski; AASHEIM, ERLEND T.; Johansen, Odd Erik; Løberg, Else Marit; Haaland, T.; Gladhaug, Ivar Prydz; Dahl, T.; Dahl, Tina; Yndestad, Arne; Aukrust, Pål; Halvorsen, Bente & Birkeland, Kåre I. (2010). ELEVATED LEVELS OF FETUIN A IN NONALCOHOLIC FATTY LIVER DISEASE. Journal of Hepatology.  ISSN 0168-8278.  52, s S143- S144
  • Johnson, Line Kristin; Hofsø, Dag; AASHEIM, ERLEND T.; Tanbo, Tom Gunnar; Andersen, Lene Frost; Holven, Kirsten Bjørklund; Røislien, Jo & Hjælmeseth, Jøran (2010). Vitamin D Deficiency in morbidly obese women and men.
  • Søvik, Torgeir Thorson; AASHEIM, ERLEND T. & Olbers, T. (2010). Randomized clinical trial of laparoscopic gastric bypass versus laparoscopic duodenal switch for superobesity (Br J Surg 2010; 97: 160-166). British Journal of Surgery.  ISSN 0007-1323.  97(6), s 960- 961 . doi: 10.1002/bjs.7143
  • AASHEIM, ERLEND T. (2009). Peculiarities of Wernicke Encephalopathy After Bariatric Surgery Reply. Annals of Surgery.  ISSN 0003-4932.  249(6), s 1066- 1067
  • AASHEIM, ERLEND T.; Bjorkman, Sofia; Søvik, Torgeir Thorson; Engstrom, My; Hanvold, Susanna; Mala, Tom; Olbers, Torsten & Bøhmer, Thomas (2009). Vitamin status after bariatric surgery: a randomized study of gastric bypass and duodenal switch.
  • AASHEIM, ERLEND T.; Frigstad, Svein-Oskar; Søvik, Torgeir Thorson; Birkeland, Kåre I. & Haukeland, John Willy (2009). Hyperinsulinemic hypoglycemia and liver cirrhosis presenting after duodenal switch: a case report. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.
  • AASHEIM, ERLEND T.; Hofsø, Dag & Søvik, Torgeir Thorson (2009). Vitamin supplements after bariatric surgery. Clinical Endocrinology.  ISSN 0300-0664. . doi: 10.1111/j.1365-2265.2009.03611.x
  • AASHEIM, ERLEND T.; Hove, Anne Birgitte & Bøhmer, Thomas (2009). Thiamine assay values: influence of anticoagulants and haemoglobin. Scandinavian Journal of Clinical and Laboratory Investigation.  ISSN 0036-5513.  69(4), s 460- 461 . doi: 10.1080/00365510902783676
  • Frigstad, Svein-Oskar; AASHEIM, ERLEND T.; Søvik, Torgeir Thorson; Birkeland, Kåre I. & Haukeland, John Willy (2009). Severe postprandial hypoglycaemia following duodenal switch.
  • AASHEIM, ERLEND T. (2008). Wernicke's encephalopathy after bariatric surgery: A systematic review of 76 cases. International Journal of Obesity.  ISSN 0307-0565.  32, s S101- S101
  • AASHEIM, ERLEND T. & Bøhmer, Thomas (2008). Low preoperative vitamin levels in morbidly obese patients: a role of systemic inflammation?. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.  4, s 779- 780 . doi: doi:10.1016/j.soard.2008.09.002
  • AASHEIM, ERLEND T. & Bøhmer, Thomas (2008). Low urinary magnesium excretion in morbidly obese women. Clinical Nutrition.  ISSN 0261-5614.
  • Aasheim, Erlend T.; Søvik, Torgeir Thorson & Bakke, Espen (2008). Night blindness after duodenal switch. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.  4(5), s 685- 686 . doi: 10.1016/j.soard.2008.05.001
  • Aasheim, ET & Bøhmer, Thomas (2008). Low preoperative vitamin levels in morbidly obese patients: a role of systemic inflammation?. Surgery for Obesity and Related Diseases.  ISSN 1550-7289.  4(6), s 779- 780 . doi: 10.1016/j.soard.2008.09.002
  • Søvik, Torgeir Thorson; Kristinsson, Jon Adalsteinn; Schou, Carl Fredrik; AASHEIM, ERLEND T.; Nesbakken, Arild & Mala, Tom (2008). Gastric bypass: Effect of caseload on perioperative morbidity, length of surgery and postoperative length of stay.
  • Søvik, Torgeir Thorson; Taha, Osama; AASHEIM, ERLEND T.; Bjorkman, Sofia; Kristinsson, Jon Adalsteinn; Engstrom, My; Schou, Carl Fredrik; Lonroth, Hans; Mala, Tom & Olbers, Torsten (2008). Laparoscopic gastric bypass vs. laparoscopic duodenal switch in super-obesity - a randomized clinical trial.
  • Søvik, Torgeir Thorson; Taha, Osama; AASHEIM, ERLEND T.; Bjorkman, Sofia; Kristinsson, Jon Adalsteinn; Engstrom, My; Schou, Carl Fredrik; Lonroth, Hans; Mala, Tom & Olbers, Torsten (2008). Laparoscopic gastric bypass vs. laparoscopic duodenal switch in super-obesity - a randomized clinical trial.
  • Søvik, Torgeir Thorson; Taha, Osama; AASHEIM, ERLEND T.; Bjorkman, Sofia; Kristinsson, Jon Adalsteinn; Engstrom, My; Schou, Carl Fredrik; Lonroth, Hans; Mala, Tom & Olbers, Torsten (2008). Laparoskopisk gastrisk bypass vs. laparoskopisk duodenal switch for super-obese pasienter - en randomisert klinisk studie.
  • Søvik, Torgeir Thorson; Kristinsson, Jon Adalsteinn; Schou, Carl Fredrik; AASHEIM, ERLEND T.; Nesbakken, Arild & Mala, Tom (2007). Gastrisk bypass: Postoperativ endring i vekt og komorbiditet.
  • Søvik, Torgeir Thorson; Schou, Carl Fredrik; Kristinsson, Jon Adalsteinn; AASHEIM, ERLEND T.; Nesbakken, Arild & Mala, Tom (2007). Gastrisk bypass: Effekt av prosedyrevolum på perioperativ morbiditet, operasjonstid og postoperativ liggetid.

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Published Nov. 7, 2016 2:17 PM - Last modified Nov. 7, 2016 2:17 PM