Publications from OUS - Section of Morbid Obesity and Bariatric Surgery

61 publications found

Publications 2021

1. Mahawar KK, Omar I, Singhal R, Aggarwal S, Allouch MI, Alsabah SK, Angrisani L, Badiuddin FM, Balibrea JM, Bashir A, Behrens E, Bhatia K, Biertho L, Biter LU, Dargent J, De Luca M, DeMaria E, Elfawal MH, Fried M, Gawdat KA, Graham Y, Herrera MF, Himpens JM, Hussain FA, Kasama K et al. (2021)
   The first modified Delphi consensus statement on sleeve gastrectomy
   Surg Endosc (in press)
   DOI 10.1007/s00464-020-08216-w, PubMed 33433676

Publications 2020

1. Gharagozlian S, Mala T, Brekke HK, Kolbjørnsen LC, Ullerud ÅA, Johnson E (2020)
   Nutritional status, sarcopenia, gastrointestinal symptoms and quality of life after gastrectomy for cancer - A cross-sectional pilot study
   Clin Nutr ESPEN, 37, 195-201
   DOI 10.1016/j.clnesp.2020.03.001, PubMed 32359743
2. Mala T, Forland DT, Vetti HH, Skagemo CU, Johannessen HO, Johnson E (2020)
   Gastric adenocarcinoma and proximal ventricular polyposis - a rare form of hereditary stomach cancer
   Tidsskr. Nor. Laegeforen., 140 (7), 676-679
3. Pouwels S, Omar I, Aggarwal S, Aminian A, Angrisani L, Balibrea JM, Bhandari M, Biter LU, Blackstone RP, Carbajo MA, Copaescu CA, Dargent J, Elfawal MH, Fobi MA, Greve JW, Hazebroek EJ, Herrera MF, Himpens JM, Hussain FA, Kassir R, Kerrigan D, Khaitan M, Kow L, Kristinsson J, Kurian M et al. (2020)
   The First Modified Delphi Consensus Statement for Resuming Bariatric and Metabolic Surgery in the COVID-19 Times
   Obes Surg, 31 (1), 451-456
   DOI 10.1016/S2213-8587(20)30157-1, PubMed 32740826
4. Pouwels S, Omar I, Aggarwal S, Aminian A, Angrisani L, Balibrea JM, Bhandari M, Biter LU, Blackstone RP, Carbajo MA, Copaescu CA, Dargent J, Elfawal MH, Fobi MA, Greve JW, Hazebroek EJ, Herrera MF, Himpens JM, Hussain FA, Kassir R, Kerrigan D, Khaitan M, Kow L, Kristinsson J, Kurian M et al. (2020)
   The First Modified Delphi Consensus Statement for Resuming Bariatric and Metabolic Surgery in the COVID-19 Times
   Obes. Surg.
5. Tonnesen CJ, Young J, Glomsaker T, Mala T, Loberg M, Bretthauer M, Refsum E, Aabakken L (2020)
   Laparoscopy-assisted versus balloon enteroscopy-assisted ERCP after Roux-en-Y gastric bypass
   Endoscopy, 52 (08), 654-661
6. Walø-Syversen G, Kvalem IL, Kristinsson J, Eribe IL, Rø Ø, Brunborg C, Lindvall Dahlgren C (2020)
   Preoperative inhibitory control predicts weight loss 1 year after bariatric surgery
   Eur Eat Disord Rev
   DOI 10.1002/erv.2801, PubMed 33125194

Publications 2019

1. Blom-Høgestøl IK, Aasbrenn M, Chahal-Kummen M, Brunborg C, Eribe I, Kristinsson J, Farup PG, Mala T (2019)
   Irritable bowel syndrome-like symptoms and health related quality of life two years after Roux-en-Y gastric bypass - a prospective cohort study
   BMC Gastroenterol, 19 (1), 204
   DOI 10.1186/s12876-019-1103-0, PubMed 31791249
2. Blom-Høgestøl IK, Mala T, Kristinsson JA, Hauge EM, Brunborg C, Gulseth HL, Eriksen EF (2019)
   Changes in Bone Marrow Adipose Tissue One Year After Roux-en-Y Gastric Bypass: A Prospective Cohort Study
   J Bone Miner Res, 34 (10), 1815-1823
   DOI 10.1002/jbmr.3814, PubMed 31216081
3. Kvalem IL, Bårdstu S, Bergh I, Nordvik T, Sogg S, Mala T (2019)
   Associations between perceived somatic symptoms and mental health after Roux-en-Y gastric bypass: a 3-year prospective cohort study
   Surg Obes Relat Dis, 16 (5), 626-632
   DOI 10.1016/j.soard.2019.12.018, PubMed 32007433
4. Salte OB, Sovik TT, Risstad H, Skattum J, Blom-Hogestol IK, Eribe IEL, Kristinsson JA, Mala T (2019)
   Bariatric surgery at Oslo University Hospital 2004-14
   Tidsskr. Nor. Laegeforen., 139 (10), 921-926
5. Salte OB, Søvik TT, Risstad H, Skattum J, Blom-Høgestøl IK, Eribe IEL, Kristinsson JA, Mala T (2019)
   Bariatric surgery at Oslo University Hospital 2004–14
   Tidsskr Nor Laegeforen, 139 (10)
   DOI 10.4045/tidsskr.18.0495, PubMed 31238674
6. Svanevik M, Risstad H, Hofsø D, Blom-Høgestøl IK, Kristinsson JA, Sandbu R, Småstuen MC, Thorsby PM, Mala T, Hjelmesæth J (2019)
   Bone Turnover Markers After Standard and Distal Roux-en-Y Gastric Bypass: Results from a Randomized Controlled Trial
   Obes Surg, 29 (9), 2886-2895
   DOI 10.1007/s11695-019-03909-1, PubMed 31065919
7. Walø-Syversen G, Kvalem IL, Kristinsson J, Eribe IL, Rø Ø, Dahlgren CL (2019)
   Executive Function, Eating Behavior, and Preoperative Weight Loss in Bariatric Surgery Candidates: An Observational Study
   Obes Facts, 12 (5), 489-501
   DOI 10.1159/000502118, PubMed 31505516

Publications 2018

1. Blom-Høgestøl IK, Stubhaug A, Kristinsson JA, Mala T (2018)
   Diagnosis and treatment of chronic abdominal pain 5 years after Roux-en-Y gastric bypass
   Surg Obes Relat Dis, 14 (10), 1544-1551
   DOI 10.1016/j.soard.2018.06.004, PubMed 30449511
2. Mala T, Johannessen HO, Førland D, Jacobsen TH, Johnson E (2018)
   Laparascopic resection for gastric cancer at Oslo University Hospital, Ullevål 2015–18
   Tidsskr Nor Laegeforen, 138 (18)
   DOI 10.4045/tidsskr.18.0404, PubMed 30421737
3. Werling M, Fändriks L, Olbers T, Mala T, Kristinsson J, Stenlöf K, Wallenius V, Docherty NG, le Roux CW (2018)
   Biliopancreatic Diversion is associated with greater increases in energy expenditure than Roux-en-Y Gastric Bypass
   PLoS One, 13 (4), e0194538
   DOI 10.1371/journal.pone.0194538, PubMed 29617391

Publications 2017

1. Aasbrenn M, Høgestøl I, Eribe I, Kristinsson J, Lydersen S, Mala T, Farup PG (2017)
   Prevalence and predictors of irritable bowel syndrome in patients with morbid obesity: a cross-sectional study
   BMC Obes, 4, 22
   DOI 10.1186/s40608-017-0159-z, PubMed 28680646
2. Bergh I, Kvalem IL, Mala T, Hansen BH, Sniehotta FF (2017)
   Predictors of Physical Activity After Gastric Bypass-a Prospective Study
   Obes Surg, 27 (8), 2050-2057
   DOI 10.1007/s11695-017-2593-x, PubMed 28210966
3. Hanvold SE, Vinknes KJ, Bastani NE, Turner C, Løken EB, Mala T, Refsum H, Aas AM (2017)
   Plasma amino acids, adiposity, and weight change after gastric bypass surgery: are amino acids associated with weight regain?
   Eur J Nutr, 57 (7), 2629-2637
   DOI 10.1007/s00394-017-1533-9, PubMed 28856439
4. Høgestøl IK, Chahal-Kummen M, Eribe I, Brunborg C, Stubhaug A, Hewitt S, Kristinsson J, Mala T (2017)
   Chronic Abdominal Pain and Symptoms 5 Years After Gastric Bypass for Morbid Obesity
   Obes Surg, 27 (6), 1438-1445
   DOI 10.1007/s11695-016-2499-z, PubMed 28028658
5. Kvalem IL, Bergh I, Sogg S, Mala T (2017)
   Psychosocial characteristics associated with symptom perception 1 year after gastric bypass surgery-a prospective study
   Surg Obes Relat Dis, 13 (11), 1908-1913
   DOI 10.1016/j.soard.2017.06.008, PubMed 28760328
6. Mala T, Kristinsson J (2017)
   Gastrointestinal symptoms after bariatric surgery-more focus needed
   Surg Obes Relat Dis, 13 (7), 1251
   DOI 10.1016/j.soard.2017.03.009, PubMed 28438495

Publications 2016

1. Kvalem IL, Bergh I, von Soest T, Rosenvinge JH, Johnsen TA, Martinsen EW, Mala T, Kristinsson JA (2016)
   A comparison of behavioral and psychological characteristics of patients opting for surgical and conservative treatment for morbid obesity
   BMC Obes, 3, 6
   DOI 10.1186/s40608-016-0084-6, PubMed 26885374
2. Morseth MS, Hanvold SE, Rø Ø, Risstad H, Mala T, Benth JŠ, Engström M, Olbers T, Henjum S (2016)
   Self-Reported Eating Disorder Symptoms Before and After Gastric Bypass and Duodenal Switch for Super Obesity--a 5-Year Follow-Up Study
   Obes Surg, 26 (3), 588-94
   DOI 10.1007/s11695-015-1790-8, PubMed 26173850

Publications 2015

1. Aaseth E, Fagerland MW, Aas AM, Hewitt S, Risstad H, Kristinsson J, Bøhmer T, Mala T, Aasheim ET (2015)
   Vitamin concentrations 5 years after gastric bypass
   Eur J Clin Nutr, 69 (11), 1249-55
   DOI 10.1038/ejcn.2015.82, PubMed 26081488
2. Andersen JM, Herning H, Aschim EL, Hjelmesæth J, Mala T, Hanevik HI, Bungum M, Haugen TB, Witczak O (2015)
   Body Mass Index Is Associated with Impaired Semen Characteristics and Reduced Levels of Anti-Müllerian Hormone across a Wide Weight Range
   PLoS One, 10 (6), e0130210
   DOI 10.1371/journal.pone.0130210, PubMed 26067627
3. Bergh I, Lundin Kvalem I, Risstad H, Sniehotta FF (2015)
   Preoperative predictors of adherence to dietary and physical activity recommendations and weight loss one year after surgery
   Surg Obes Relat Dis, 12 (4), 910-918
   DOI 10.1016/j.soard.2015.11.009, PubMed 26965158
4. Kristinsson J (2015)
   The ASMBS textbook of bariatric surgery, vol 2, Integrated health
   Tidsskr. Nor. Laegeforen., 135 (11), 1058
5. Mala T (2015)
   The ASMBS textbook of bariatric surgery
   Tidsskr. Nor. Laegeforen., 135 (9), 875
6. Mala T, Hewitt S, Høgestøl IK, Kjellevold K, Kristinsson JA, Risstad H (2015)
   [Dumping syndrome following gastric surgery]
   Tidsskr Nor Laegeforen, 135 (2), 137-41
   DOI 10.4045/tidsskr.14.0550, PubMed 25625992
7. Mala T, Hewitt S, Høgestøl IK, Kjellevold K, Kristinsson JA, Risstad H (2015)
   [Dumping syndrome following gastric surgery]
   Tidsskr Nor Laegeforen, 135 (4), 310
   DOI 10.4045/tidsskr.15.0163, PubMed 25707648

Publications 2014

1. Biörserud C, Olbers T, Søvik TT, Mala T, Elander A, Olsén MF (2014)
   Experience of excess skin after gastric bypass or duodenal switch in patients with super obesity
   Surg Obes Relat Dis, 10 (5), 891-6
   DOI 10.1016/j.soard.2014.01.033, PubMed 24837559
2. Gulseth HL, Risstad H, Birkeland KI (2014)
   Bariatric surgery versus intensive medical therapy for diabetes
   N Engl J Med, 371 (7), 681
   DOI 10.1056/NEJMc1407393, PubMed 25119618
3. Mala T, Harsem NK, Røstad S, Mathisen LC, Jacobsen AF (2014)
   Perforation of the Pregnant Uterus during Laparoscopy for Suspected Internal Herniation after Gastric Bypass
   Case Rep Obstet Gynecol, 2014, 720181
   DOI 10.1155/2014/720181, PubMed 25548693

Publications 2013

1. Aasheim ET, Hill SA (2013)
   [Outpatient induction of Labour--not who or how, but where]
   Ugeskr Laeger, 175 (39), 2286
   PubMed 26495475
2. Aftab H, Risstad H, Søvik TT, Bernklev T, Hewitt S, Kristinsson JA, Mala T (2013)
   Five-year outcome after gastric bypass for morbid obesity in a Norwegian cohort
   Surg Obes Relat Dis, 10 (1), 71-8
   DOI 10.1016/j.soard.2013.05.003, PubMed 24182445
3. Hewitt S, Søvik TT, Aasheim ET, Kristinsson J, Jahnsen J, Birketvedt GS, Bøhmer T, Eriksen EF, Mala T (2013)
   Secondary hyperparathyroidism, vitamin D sufficiency, and serum calcium 5 years after gastric bypass and duodenal switch
   Obes Surg, 23 (3), 384-90
   DOI 10.1007/s11695-012-0772-3, PubMed 23015268

Publications 2011

1. Aasheim ET (2011)
   A global obesity industry
   Tidsskr Nor Laegeforen, 131 (21), 2107
   DOI 10.4045/tidsskr.11.1098, PubMed 22048195
2. Hewitt S, Weidanz F, Westgeest H, Ruza I, Ciferska H, Pasquet F, Salomäki S, Olsen E (2011)
   European School of Internal Medicine (ESIM) in Brighton: experiences and reflections
   Eur J Intern Med, 22 (3), 238-40
   DOI 10.1016/j.ejim.2011.01.006, PubMed 21570640
3. Schou CF, Søvik TT, Aasheim ET, Kristinsson J, Mala T (2011)
   [Treating morbid obesity with laparoscopic biliopancreatic diversion with duodenal switch]
   Tidsskr Nor Laegeforen, 131 (19), 1882-6
   DOI 10.4045/tidsskr.10.1164, PubMed 21984293

Publications 2010

1. Berg M, Danielsen SA, Ahlquist T, Merok MA, Ågesen TH, Vatn MH, Mala T, Sjo OH, Bakka A, Moberg I, Fetveit T, Mathisen Ø, Husby A, Sandvik O, Nesbakken A, Thiis-Evensen E, Lothe RA (2010)
   DNA sequence profiles of the colorectal cancer critical gene set KRAS-BRAF-PIK3CA-PTEN-TP53 related to age at disease onset
   PLoS One, 5 (11), e13978
   DOI 10.1371/journal.pone.0013978, PubMed 21103049
2. Kazaryan AM, Pavlik Marangos I, Rosseland AR, Røsok BI, Mala T, Villanger O, Mathisen O, Giercksky KE, Edwin B (2010)
   Laparoscopic liver resection for malignant and benign lesions: ten-year Norwegian single-center experience
   Arch Surg, 145 (1), 34-40
   DOI 10.1001/archsurg.2009.229, PubMed 20083752
3. Sovik TT, Aasheim ET, Olbers T (2010)
   Randomized clinical trial of laparoscopic gastric bypass versus laparoscopic duodenal switch for superobesity (Br J Surg 2010; 97: 160-166)
   Br. J. Surg., 97 (6), 960-961
4. Søvik TT, Irandoust B, Birkeland KI, Aasheim ET, Schou CF, Kristinsson J, Mala T (2010)
   [Type 2 diabetes and metabolic syndrome before and after gastric bypass]
   Tidsskr Nor Laegeforen, 130 (13), 1347-50
   DOI 10.4045/tidsskr.09.0935, PubMed 20596116
5. Søvik TT, Taha O, Aasheim ET, Engström M, Kristinsson J, Björkman S, Schou CF, Lönroth H, Mala T, Olbers T (2010)
   Randomized clinical trial of laparoscopic gastric bypass versus laparoscopic duodenal switch for superobesity
   Br J Surg, 97 (2), 160-6
   DOI 10.1002/bjs.6802, PubMed 20035530

Publications 2009

1. Aasheim ET, Björkman S, Søvik TT, Engström M, Hanvold SE, Mala T, Olbers T, Bøhmer T (2009)
   Vitamin status after bariatric surgery: a randomized study of gastric bypass and duodenal switch
   Am J Clin Nutr, 90 (1), 15-22
   DOI 10.3945/ajcn.2009.27583, PubMed 19439456
2. Aasheim ET, Frigstad SO, Søvik TT, Birkeland KI, Haukeland JW (2009)
   Hyperinsulinemic hypoglycemia and liver cirrhosis presenting after duodenal switch: a case report
   Surg Obes Relat Dis, 6 (4), 441-3
   DOI 10.1016/j.soard.2009.11.007, PubMed 20096646
3. Aasheim ET, Hofsø D, Søvik TT (2009)
   Vitamin supplements after bariatric surgery
   Clin Endocrinol (Oxf), 72 (1), 134-5
   DOI 10.1111/j.1365-2265.2009.03611.x, PubMed 19508588
4. Aasheim ET, Hove AB, Bøhmer T (2009)
   Thiamine assay values: influence of anticoagulants and haemoglobin
   Scand J Clin Lab Invest, 69 (4), 460-1
   DOI 10.1080/00365510902783676, PubMed 19347747
5. Hjelmesaeth J, Hofsø D, Aasheim ET, Jenssen T, Moan J, Hager H, Røislien J, Bollerslev J (2009)
   Parathyroid hormone, but not vitamin D, is associated with the metabolic syndrome in morbidly obese women and men: a cross-sectional study
   Cardiovasc Diabetol, 8, 7
   DOI 10.1186/1475-2840-8-7, PubMed 19187564

Publications 2008

1. Aasheim ET (2008)
   Wernicke encephalopathy after bariatric surgery: a systematic review
   Ann Surg, 248 (5), 714-20
   DOI 10.1097/SLA.0b013e3181884308, PubMed 18948797
2. Aasheim ET, Hofsø D, Hjelmesaeth J, Birkeland KI, Bøhmer T (2008)
   Vitamin status in morbidly obese patients: a cross-sectional study
   Am J Clin Nutr, 87 (2), 362-9
   DOI 10.1093/ajcn/87.2.362, PubMed 18258626
3. Aasheim ET, Hofsø D, Hjelmesaeth J, Sandbu R (2008)
   Peripheral neuropathy and severe malnutrition following duodenal switch
   Obes Surg, 18 (12), 1640-3
   DOI 10.1007/s11695-008-9539-2, PubMed 18463930
4. Aasheim ET, Søvik TT, Bakke EF (2008)
   Night blindness after duodenal switch
   Surg Obes Relat Dis, 4 (5), 685-6
   DOI 10.1016/j.soard.2008.05.001, PubMed 18586568
5. Mala T, Nesbakken A (2008)
   Morbidity related to the use of a protective stoma in anterior resection for rectal cancer
   Colorectal Dis, 10 (8), 785-8
   DOI 10.1111/j.1463-1318.2007.01456.x, PubMed 18190612
6. Søvik TT, Aasheim ET, Kristinsson J, Schou CF, Diep LM, Nesbakken A, Mala T (2008)
   Establishing laparoscopic Roux-en-Y gastric bypass: perioperative outcome and characteristics of the learning curve
   Obes Surg, 19 (2), 158-165
   DOI 10.1007/s11695-008-9584-x, PubMed 18566869

Publications 2005

1. Mala T, Edwin B (2005)
   Role and limitations of laparoscopic liver resection of colorectal metastases
   Dig Dis, 23 (2), 142-50
   DOI 10.1159/000088596, PubMed 16352894
2. Mala T, Edwin B, Rosseland AR, Gladhaug I, Fosse E, Mathisen O (2005)
   Laparoscopic liver resection: experience of 53 procedures at a single center
   J Hepatobiliary Pancreat Surg, 12 (4), 298-303
   DOI 10.1007/s00534-005-0974-3, PubMed 16133696

Publications 2004

1. Eidheim OC, Aurdal L, Omholt-Jensen T, Mala T, Edwin B (2004)
   Segmentation of liver vessels as seen in MR and CT images
   INT CONGR SER, 1268, 201-206
2. Mala T (2004)
   Extensive freezing necessary to ensure liver tumor ablation
   Cryobiology, 48 (3), 362; author reply 363-4
   DOI 10.1016/j.cryobiol.2004.02.006, PubMed 15157785