Erlend Tuseth Aasheim

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Visiting address Problemveien 11 Frederikke 2. etasje 0371 Oslo
Postal address Problemveien 11, Blindern 0371 Oslo

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Publications

  • Hewitt, Stephen I; Kristinsson, Jon Adalsteinn; Aasheim, Erlend T.; Høgestøl, Ingvild Kristine; Aaseth, Eirik & Jahnsen, Jørgen [Show all 8 contributors for this article] (2020). Relationships Between Vitamin D Status and PTH over 5 Years After Roux-en-Y Gastric Bypass: a Longitudinal Cohort Study. Obesity Surgery. ISSN 0960-8923. 30(9), p. 3426–3434. doi: 10.1007/s11695-020-04582-5. Full text in Research Archive
  • Hewitt, Stephen I; AASHEIM, ERLEND T.; Søvik, Torgeir Thorson; Jahnsen, Jørgen; Kristinsson, Jon Adalsteinn & Eriksen, Erik Fink [Show all 7 contributors for this article] (2018). Relationships of serum 25-hydroxyvitamin D, ionized calcium and parathyroid hormone after obesity surgery. Clinical Endocrinology. ISSN 0300-0664. 88(3), p. 372–379. doi: 10.1111/cen.13531.
  • Valderhaug, Tone Gretland; AASHEIM, ERLEND T.; Sandbu, Rune; Jakobsen, Gunn Signe; Småstuen, Milada C & Hertel, Jens Kristoffer [Show all 7 contributors for this article] (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.
  • Risstad, Hilde; Svanevik, Marius; Kristinsson, Jon Adalsteinn; Hjelmesæth, Jøran; AASHEIM, ERLEND T. & Hofsø, Dag [Show all 11 contributors for this article] (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), p. 1146–1155. doi: 10.1001/jamasurg.2016.2798.
  • Aaseth, Eirik; Fagerland, Morten; Aas, Anne-Marie; Hewitt, Stephen I; Risstad, Hanne & Kristinsson, Jon Adalsteinn [Show all 9 contributors for this article] (2015). Vitamin concentrations 5 years after gastric bypass. European Journal of Clinical Nutrition. ISSN 0954-3007. 69, p. 1249–1255. doi: 10.1038/ejcn.2015.82.
  • Risstad, Hilde; Søvik, Torgeir Thorson; Engström, My; AASHEIM, ERLEND T.; Fagerland, Morten & Olsén, Monika Fagervik [Show all 12 contributors for this article] (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), p. 352–361. doi: 10.1001/jamasurg.2014.3579.
  • Hewitt, Stephen; Hummerfeldt, Sjur; Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Risstad, Hilde & Kristinsson, Jon Adalsteinn [Show all 7 contributors for this article] (2014). Long-term improvements in pulmonary function 5 years after bariatric surgery. Obesity Surgery. ISSN 0960-8923. 24(5), p. 705–711. doi: 10.1007/s11695-013-1159-9.
  • Johnson, Line Kristin; Andersen, Lene Frost; Hofsø, Dag; AASHEIM, ERLEND T.; Holven, Kirsten Bjørklund & Sandbu, Rune [Show all 8 contributors for this article] (2013). Dietary changes in obese patients undergoing gastric bypass or lifestyle intervention: A clinical trial. British Journal of Nutrition. ISSN 0007-1145. 110(1), p. 127–134. doi: 10.1017/S0007114512004631.
  • Søvik, Torgeir Thorson; Karlsson, Jan; AASHEIM, ERLEND T.; Fagerland, Morten; Bjorkman, Sofia & Engstrom, My [Show all 9 contributors for this article] (2013). Gastrointestinal function and eating behavior after gastric bypass and duodenal switch. Surgery for Obesity and Related Diseases. ISSN 1550-7289. 9(5), p. 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 [Show all 9 contributors for this article] (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
  • Gjersvik, Petter; Gulbrandsen, Pål; AASHEIM, ERLEND T. & Nylenna, Magne (2013). Dårlig tittel - dårlig manus? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 133, p. 2475–2477. doi: 10.4045/tidsskr.13.1077.
  • Hewitt, Stephen; Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Kristinsson, Jon Adalsteinn; Jahnsen, Jørgen & Birketvedt, Grethe [Show all 9 contributors for this article] (2013). Secondary Hyperparathyroidism, Vitamin D Sufficiency, and Serum Calcium 5 Years After Gastric Bypass and Duodenal Switch. Obesity Surgery. ISSN 0960-8923. 23(3), p. 384–390. doi: 10.1007/s11695-012-0772-3.
  • Pournaras, D J; AASHEIM, ERLEND T.; Søvik, Torgeir Thorson; Andrews, Richard; Mahon, D & Welbourn, R [Show all 8 contributors for this article] (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), p. 100–103. doi: 10.1002/bjs.7704.
  • Haukeland, John Willy; Dahl, Tuva Børresdatter; Yndestad, Arne; Gladhaug, Ivar Prydz; Løberg, Else Marit & Haaland, Therese Kristina [Show all 13 contributors for this article] (2012). Fetuin A in nonalcoholic fatty liver disease: in vivo and in vitro studies. European Journal of Endocrinology (EJE). ISSN 0804-4643. 166(3), p. 503–510. doi: 10.1530/EJE-11-0864.
  • 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), p. 169–175. doi: 10.1016/j.soard.2011.01.038.
  • Johnson, Line Kristin; Hofsø, Dag; AASHEIM, ERLEND T.; Tanbo, Tom Gunnar; Holven, Kirsten Bjørklund & Andersen, Lene Frost [Show all 8 contributors for this article] (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), p. 83–90. doi: 10.1038/ejcn.2011.140.
  • Aasheim, Erlend T; Elshorbagy, Amany K; Diep, Lien My; Søvik, Torgeir Thorson; Mala, Tom & Valdivia-Garcia, Maria [Show all 10 contributors for this article] (2011). Effect of bariatric surgery on sulphur amino acids and glutamate. British Journal of Nutrition. ISSN 0007-1145. 106(3), p. 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 [Show all 9 contributors for this article] (2011). Oppfølging etter fedmekirurgi. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 131, p. 1887–1892. doi: 10.4045/tidsskr.10.1463.
  • Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Taha, Osama; Engstrom, My; Fagerland, Morten & Bjorkman, Sofia [Show all 10 contributors for this article] (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), p. 281–U34. doi: 10.7326/0003-4819-155-5-201109060-00005.
  • Søvik, Torgeir Thorson; Irandoust, Babak; Birkeland, Kåre I.; AASHEIM, ERLEND T.; Schou, Carl Fredrik & Kristinsson, Jon Adalsteinn [Show all 7 contributors for this article] (2010). Type 2-diabetes og metabolsk syndrom før og etter gastrisk bypass. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 130(13), p. 1347–1350.
  • 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), p. 441–443. doi: 10.1016/j.soard.2009.11.007.
  • Søvik, Torgeir Thorson; Taha, Osama; AASHEIM, ERLEND T.; Engström, My; Kristinsson, Jon Adalsteinn & Björkman, Sofia [Show all 10 contributors for this article] (2010). Randomized clinical trial of laparoscopic gastric bypass versus laparoscopic duodenal switch for superobesity. British Journal of Surgery. ISSN 0007-1323. 97(2), p. 160–166. doi: 10.1002/bjs.6802.
  • Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Kristinsson, Jon Adalsteinn; Schou, Carl Fredrik; Diep, Lien My & Nesbakken, Arild [Show all 7 contributors for this article] (2009). Establishing Laparoscopic Roux-en-Y Gastric Bypass: Perioperative Outcome and Characteristics of the Learning Curve. Obesity Surgery. ISSN 0960-8923. 19(2), p. 158–165. doi: 10.1007/s11695-008-9584-x.
  • Hjelmesæth, Jøran; Hjelmesaeth, J; Hofsø, Dag; Hofso, D; Aasheim, Erlend T & Jenssen, Trond Geir [Show all 11 contributors for this article] (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
  • AASHEIM, ERLEND T.; Bjorkman, Sofia; Søvik, Torgeir Thorson; Engstrom, My; Hanvold, Susanna & Mala, Tom [Show all 8 contributors for this article] (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), p. 15–22. doi: 10.3945/ajcn.2009.27583.
  • AASHEIM, ERLEND T. (2008). Wernicke Encephalopathy After Bariatric Surgery A Systematic Review. Annals of Surgery. ISSN 0003-4932. 248(5), p. 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), p. 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, p. 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, p. 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, p. 47–49.

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  • Sandvik, Jorunn; Laurenius, Anna; Näslund, Ingmar; Videhult, Per; Wiren, Mikal & AASHEIM, ERLEND T. (2018). Nordiske retningslinjer for oppfølging etter fedmekirurgi. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 138(4), p. 326–327. doi: 10.4045/tidsskr.17.1106.
  • Risstad, Hilde; Svanevik, Marius; Kristinsson, Jon Adalsteinn; Hjelmesæth, Jøran; AASHEIM, ERLEND T. & Hofsø, Dag [Show all 11 contributors for this article] (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), p. S1–S2. doi: 10.1016/j.soard.2015.10.003.
  • Svanevik, Marius; Risstad, Hilde; Kristinsson, Jon Adalsteinn; Hjelmesæth, Jøran; AASHEIM, ERLEND T. & Hofsø, Dag [Show all 11 contributors for this article] (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. Obesity Facts. ISSN 1662-4025.
  • 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.
  • 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), p. 382–383. doi: 10.4045/tidsskr.14.0144.
  • Haukeland, John Willy; Zbigniew, Konopski; AASHEIM, ERLEND T.; Johansen, Odd Erik; Løberg, Else Marit & Haaland, T. [Show all 12 contributors for this article] (2010). ELEVATED LEVELS OF FETUIN A IN NONALCOHOLIC FATTY LIVER DISEASE. Journal of Hepatology. ISSN 0168-8278. 52, p. S143–S144.
  • AASHEIM, ERLEND T.; Hofsø, Dag & Søvik, Torgeir Thorson (2010). Vitamin supplements after bariatric surgery. Clinical Endocrinology. ISSN 0300-0664. 72(1), p. 134–135. doi: 10.1111/j.1365-2265.2009.03611.x.
  • AASHEIM, ERLEND T. (2010). The Alcohol Factor in Wernicke's Encephalopathy Post Bariatric Surgery Reply. Annals of Surgery. ISSN 0003-4932. 251(5), p. 993–994. doi: 10.1097/SLA.0b013e3181db38a1.
  • 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), p. 960–961. doi: 10.1002/bjs.7143.
  • AASHEIM, ERLEND T.; Birkeland, Kåre I. & Bøhmer, Thomas (2010). Erratum. American Journal of Clinical Nutrition. ISSN 0002-9165. 91(1), p. 239–240.
  • Johnson, Line Kristin; Hofsø, Dag; AASHEIM, ERLEND T.; Tanbo, Tom Gunnar; Andersen, Lene Frost & Holven, Kirsten Bjørklund [Show all 8 contributors for this article] (2010). Vitamin D Deficiency in morbidly obese women and men.
  • 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.; 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), p. 460–461. doi: 10.1080/00365510902783676.
  • AASHEIM, ERLEND T. (2009). Peculiarities of Wernicke Encephalopathy After Bariatric Surgery Reply. Annals of Surgery. ISSN 0003-4932. 249(6), p. 1066–1067.
  • 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.; Bjorkman, Sofia; Søvik, Torgeir Thorson; Engstrom, My; Hanvold, Susanna & Mala, Tom [Show all 8 contributors for this article] (2009). Vitamin status after bariatric surgery: a randomized study of gastric bypass and duodenal switch.
  • 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, p. S101–S101.
  • AASHEIM, ERLEND T. & Bøhmer, Thomas (2008). Low urinary magnesium excretion in morbidly obese women. Clinical Nutrition. ISSN 0261-5614.
  • 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), p. 779–780. doi: 10.1016/j.soard.2008.09.002.
  • 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), p. 685–686. doi: 10.1016/j.soard.2008.05.001.
  • 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, p. 779–780. doi: 10.1016/j.soard.2008.09.002.
  • Søvik, Torgeir Thorson; Taha, Osama; AASHEIM, ERLEND T.; Bjorkman, Sofia; Kristinsson, Jon Adalsteinn & Engstrom, My [Show all 10 contributors for this article] (2008). Laparoskopisk gastrisk bypass vs. laparoskopisk duodenal switch for super-obese pasienter - en randomisert klinisk studie.
  • Søvik, Torgeir Thorson; Taha, Osama; AASHEIM, ERLEND T.; Bjorkman, Sofia; Kristinsson, Jon Adalsteinn & Engstrom, My [Show all 10 contributors for this article] (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 [Show all 10 contributors for this article] (2008). Laparoscopic gastric bypass vs. laparoscopic duodenal switch in super-obesity - a randomized clinical trial.
  • 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; 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.
  • AASHEIM, ERLEND T. & Bøhmer, Thomas (2010). Vitamin concentrations in Scandinavian obese subjects undergoing surgical and non-surgical weight loss. Unipub forlag. ISSN 978-82-8072-593-6.

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Published June 13, 2022 8:28 AM - Last modified June 13, 2022 8:28 AM