Torgeir T. Søvik
Position: Surgeon / PhD candidate
Phone: +47 909 30 822
Email:
 

Author network for Torgeir T. Søvik by COREMINE medical


Publications 2017

Svanevik M, Risstad H, Karlsen TI, Kristinsson JA, Småstuen MC, Kolotkin RL, Søvik TT, Sandbu R, Mala T, Hjelmesæth J (2017)
Patient-Reported Outcome Measures 2 Years After Standard and Distal Gastric Bypass-a Double-Blind Randomized Controlled Trial
Obes Surg (in press)
PubMed 28865057

Publications 2016

Risstad H, Svanevik M, Kristinsson JA, Hjelmesæth J, Aasheim ET, Hofsø D, Søvik TT, Karlsen TI, Fagerland MW, Sandbu R, Mala T (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 Surg, 151 (12), 1146-1155
PubMed 27626242

Publications 2015

Engström M, Forsberg A, Søvik TT, Olbers T, Lönroth H, Karlsson J (2015)
Perception of control over eating after bariatric surgery for super-obesity--a 2-year follow-up study
Obes Surg, 25 (6), 1086-93
PubMed 25812530

Mala T, Søvik TT, Kristinsson JA (2015)
[More could benefit from bariatric surgery]
Tidsskr Nor Laegeforen, 135 (6), 521-2
PubMed 25806755

Risstad H, Søvik TT, Engström M, Aasheim ET, Fagerland MW, Olsén MF, Kristinsson JA, le Roux CW, Bøhmer T, Birkeland KI, Mala T, Olbers T (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 Surg, 150 (4), 352-61
PubMed 25650964

Risstad H, Søvik TT, Hewitt S, Kristinsson JA, Fagerland MW, Bernklev T, Mala T (2015)
Changes in Health-Related Quality of Life After Gastric Bypass in Patients With and Without Obesity-Related Disease
Obes Surg, 25 (12), 2408-16
PubMed 26003550

Svanevik M, Risstad H, Hofsø D, Schou CF, Solheim B, Søvik TT, Kristinsson J, Hjelmesæth J, Mala T, Sandbu R (2015)
Perioperative Outcomes of Proximal and Distal Gastric Bypass in Patients with BMI Ranged 50-60 kg/m(2)--A Double-Blind, Randomized Controlled Trial
Obes Surg, 25 (10), 1788-95
PubMed 25761943

Publications 2014

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
PubMed 24837559

Hewitt S, Humerfelt S, Søvik TT, Aasheim ET, Risstad H, Kristinsson J, Mala T (2014)
Long-term improvements in pulmonary function 5 years after bariatric surgery
Obes Surg, 24 (5), 705-11
PubMed 24435516

Publications 2013

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
PubMed 24182445

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
PubMed 23015268

Hofmann B, Hjelmesæth J, Søvik TT (2013)
Moral challenges with surgical treatment of type 2 diabetes
J Diabetes Complications, 27 (6), 597-603
PubMed 24028746

Miras AD, Risstad H, Baqai N, Law S, Søvik TT, Mala T, Olbers T, Kristinsson JA, le Roux CW (2013)
Application of the International Diabetes Federation and American Diabetes Association criteria in the assessment of metabolic control after bariatric surgery
Diabetes Obes Metab, 16 (1), 86-9
PubMed 23841525

Publications 2012

Mala T, Søvik TT, Schou CF, Kristinsson J (2012)
Blood clot obstruction of the jejunojejunostomy after laparoscopic gastric bypass
Surg Obes Relat Dis, 9 (2), 234-7
PubMed 22421098

Søvik TT, Karlsson J, Aasheim ET, Fagerland MW, Björkman S, Engström M, Kristinsson J, Olbers T, Mala T (2012)
Gastrointestinal function and eating behavior after gastric bypass and duodenal switch
Surg Obes Relat Dis, 9 (5), 641-7
PubMed 22951078

Publications 2011

Hofsø D, Aasheim ET, Søvik TT, Jakobsen GS, Johnson LK, Sandbu R, Aas AT, Kristinsson J, Hjelmesæth J (2011)
[Follow-up after bariatric surgery]
Tidsskr Nor Laegeforen, 131 (19), 1887-92
PubMed 21984294

Pournaras DJ, Aasheim ET, Søvik TT, Andrews R, Mahon D, Welbourn R, Olbers T, le Roux CW (2011)
Effect of the definition of type II diabetes remission in the evaluation of bariatric surgery for metabolic disorders
Br J Surg, 99 (1), 100-3
PubMed 22021090

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
PubMed 21984293

Søvik TT, Aasheim ET, Taha O, Engström M, Fagerland MW, Björkman S, Kristinsson J, Birkeland KI, Mala T, Olbers T (2011)
Weight loss, cardiovascular risk factors, and quality of life after gastric bypass and duodenal switch: a randomized trial
Ann Intern Med, 155 (5), 281-91
PubMed 21893621

Aasheim ET, Elshorbagy AK, Diep LM, Søvik TT, Mala T, Valdivia-Garcia M, Olbers T, Bøhmer T, Birkeland KI, Refsum H (2011)
Effect of bariatric surgery on sulphur amino acids and glutamate
Br J Nutr, 106 (3), 432-40
PubMed 21554803

Aasheim ET, Søvik TT (2011)
Global trends in body-mass index
Lancet, 377 (9781), 1916-7; author reply 1917-8
PubMed 21641472

Publications 2010

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

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
PubMed 20596116

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
PubMed 20035530

Publications 2009

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
PubMed 19439456

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
PubMed 20096646

Aasheim ET, Hofsø D, Søvik TT (2009)
Vitamin supplements after bariatric surgery
Clin Endocrinol (Oxf), 72 (1), 134-5
PubMed 19508588

Publications 2008

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), 158-65
PubMed 18566869

Aasheim ET, Søvik TT, Bakke EF (2008)
Night blindness after duodenal switch
Surg Obes Relat Dis, 4 (5), 685-6
PubMed 18586568

Publications 2007

Søvik TT, Aasheim ET, Kristinsson J, Schou CF, Nesbakken A, Mala T (2007)
[Surgical treatment of morbid obesity at a regional center]
Tidsskr Nor Laegeforen, 127 (1), 47-9
PubMed 17205090

Aasheim ET, Mala T, Søvik TT, Kristinsson J, Bøhmer T (2007)
[Surgical treatment of morbid obesity]
Tidsskr Nor Laegeforen, 127 (1), 38-42
PubMed 17205088

Publications 1996

Søvik TT, Haaheim LR (1996)
[Use of influenza vaccine in Norway]
Tidsskr Nor Laegeforen, 116 (3), 395-6
PubMed 8638272