Jon Kristinsson
Position: Surgeon, PhD

Author network for Jon Kristinsson by COREMINE medical

Publications 2017

Ebbesen MS, Nygaard U, Rosthøj S, Sørensen D, Nersting J, Vettenranta K, Wesenberg F, Kristinsson J, Harila-Saari A, Schmiegelow K (2017)
Hepatotoxicity During Maintenance Therapy and Prognosis in Children With Acute Lymphoblastic Leukemia
J Pediatr Hematol Oncol, 39 (3), 161-166
PubMed 28060115

Publications 2016

Høgestøl IK, Chahal-Kummen M, Eribe I, Brunborg C, Stubhaug A, Hewitt S, Kristinsson J, Mala T (2016)
Chronic Abdominal Pain and Symptoms 5 Years After Gastric Bypass for Morbid Obesity
Obes Surg (in press)
PubMed 28028658

Schmiegelow K, Nersting J, Nielsen SN, Heyman M, Wesenberg F, Kristinsson J, Vettenranta K, Schrøeder H, Weinshilboum R, Jensen KL, Grell K, Rosthoej S (2016)
Maintenance therapy of childhood acute lymphoblastic leukemia revisited-Should drug doses be adjusted by white blood cell, neutrophil, or lymphocyte counts?
Pediatr Blood Cancer, 63 (12), 2104-2111
PubMed 27447547

Publications 2015

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

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
PubMed 26081488

Publications 2014

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

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

Mala T, Kristinsson J (2013)
[Acute internal hernia following gastric bypass for morbid obesity]
Tidsskr Nor Laegeforen, 133 (6), 640-4
PubMed 23552158

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

Nesbakken A, Kristinsson J, Svindland A, Lunde OC (2011)
Endoscopic snare resection followed by laser ablation in the treatment of large, sessile rectal adenomas
Scand J Surg, 100 (2), 99-104
PubMed 21737385

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

Publications 2010

Schmiegelow K, Heyman M, Gustafsson G, Lausen B, Wesenberg F, Kristinsson J, Vettenranta K, Schroeder H, Forestier E, Rosthoej S, Nordic Society of Paediatric Haematology and Oncology (NOPHO) (2010)
The degree of myelosuppression during maintenance therapy of adolescents with B-lineage intermediate risk acute lymphoblastic leukemia predicts risk of relapse
Leukemia, 24 (4), 715-20
PubMed 20130603

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

Schmiegelow K, Al-Modhwahi I, Andersen MK, Behrendtz M, Forestier E, Hasle H, Heyman M, Kristinsson J, Nersting J, Nygaard R, Svendsen AL, Vettenranta K, Weinshilboum R, Nordic Society for Paediatric Haematology and Oncology (2009)
Methotrexate/6-mercaptopurine maintenance therapy influences the risk of a second malignant neoplasm after childhood acute lymphoblastic leukemia: results from the NOPHO ALL-92 study
Blood, 113 (24), 6077-84
PubMed 19224761

Schmiegelow K, Forestier E, Hellebostad M, Heyman M, Kristinsson J, Söderhäll S, Taskinen M, Nordic Society of Paediatric Haematology and Oncology (2009)
Long-term results of NOPHO ALL-92 and ALL-2000 studies of childhood acute lymphoblastic leukemia
Leukemia, 24 (2), 345-54
PubMed 20010622

Schmiegelow K, Heyman M, Kristinsson J, Mogensen UB, Rosthøj S, Vettenranta K, Wesenberg F, Saarinen-Pihkala U, Nordic Society of Paediatric Haematology and Oncology (NOPHO) (2009)
Oral methotrexate/6-mercaptopurine may be superior to a multidrug LSA2L2 Maintenance therapy for higher risk childhood acute lymphoblastic leukemia: results from the NOPHO ALL-92 study
J Pediatr Hematol Oncol, 31 (6), 385-92
PubMed 19648786

Publications 2008

Schmiegelow K, Forestier E, Kristinsson J, Söderhäll S, Vettenranta K, Weinshilboum R, Wesenberg F, Nordic Society of Paediatric Haematology and Oncology (2008)
Thiopurine methyltransferase activity is related to the risk of relapse of childhood acute lymphoblastic leukemia: results from the NOPHO ALL-92 study
Leukemia, 23 (3), 557-64
PubMed 18987654

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

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 2003

Schmiegelow K, Björk O, Glomstein A, Gustafsson G, Keiding N, Kristinsson J, Mäkipernaa A, Rosthøj S, Szumlanski C, Sørensen TM, Weinshilboum R (2003)
Intensification of mercaptopurine/methotrexate maintenance chemotherapy may increase the risk of relapse for some children with acute lymphoblastic leukemia
J Clin Oncol, 21 (7), 1332-9
PubMed 12663723

Publications 2002

Kristinsson J, Nygaard K, Sundseth A, Aadland E, Fagerhol MK (2002)
Comparison of faecal and intestinal concentrations of granulocyte marker protein and localization of gastrointestinal tumours in rats
Scand J Gastroenterol, 37 (9), 1029-33
PubMed 12374227

Publications 2001

Johne B, Kronborg O, Tøn HI, Kristinsson J, Fuglerud P (2001)
A new fecal calprotectin test for colorectal neoplasia. Clinical results and comparison with previous method
Scand J Gastroenterol, 36 (3), 291-6
PubMed 11305517

Kristinsson J, Armbruster CH, Ugstad M, Kriwanek S, Nygaard K, Tøn H, Fuglerud P (2001)
Fecal excretion of calprotectin in colorectal cancer: relationship to tumor characteristics
Scand J Gastroenterol, 36 (2), 202-7
PubMed 11252414

Kristinsson J, Nygaard K, Aadland E, Barstad S, Sauar J, Hofstad B, Stray N, Stallemo A, Haug B, Ugstad M, Tøn H, Fuglerud P (2001)
Screening of first degree relatives of patients operated for colorectal cancer: evaluation of fecal calprotectin vs. hemoccult II
Digestion, 64 (2), 104-10
PubMed 11684824

Steentoft A, Teige B, Ceder G, Vuori E, Kristinsson J, Simonsen KW, Holmgren P, Wethe G, Kaa E (2001)
Fatal poisoning in drug addicts in the Nordic countries
Forensic Sci Int, 123 (1), 63-9
PubMed 11731199

Publications 1999

Kristinsson J, Røseth AG, Sundset A, Nygaard K, Løberg EM, Paulsen JE, Aadland E, Fagerhol MK (1999)
Granulocyte marker protein is increased in stools from rats with azoxymethane-induced colon cancer
Scand J Gastroenterol, 34 (12), 1216-23
PubMed 10636069

Publications 1998

Gustafsson G, Kreuger A, Clausen N, Garwicz S, Kristinsson J, Lie SO, Moe PJ, Perkkio M, Yssing M, Saarinen-Pihkala UM, NOPHO (1998)
Intensified treatment of acute childhood lymphoblastic leukaemia has improved prognosis, especially in non-high-risk patients: the Nordic experience of 2648 patients diagnosed between 1981 and 1996
Acta Paediatr., 87 (11), 1151-1161

Kristinsson J, Røseth A, Fagerhol MK, Aadland E, Schjønsby H, Børmer OP, Raknerud N, Nygaard K (1998)
Fecal calprotectin concentration in patients with colorectal carcinoma
Dis Colon Rectum, 41 (3), 316-21
PubMed 9514426

Publications 1997

Schmiegelow K, Glomstein A, Kristinsson J, Salmi T, Schrøder H, Björk O (1997)
Impact of morning versus evening schedule for oral methotrexate and 6-mercaptopurine on relapse risk for children with acute lymphoblastic leukemia. Nordic Society for Pediatric Hematology and Oncology (NOPHO)
J Pediatr Hematol Oncol, 19 (2), 102-9
PubMed 9149738

Publications 1995

Schmiegelow K, Schrøder H, Gustafsson G, Kristinsson J, Glomstein A, Salmi T, Wranne L (1995)
Risk of relapse in childhood acute lymphoblastic leukemia is related to RBC methotrexate and mercaptopurine metabolites during maintenance chemotherapy. Nordic Society for Pediatric Hematology and Oncology
J Clin Oncol, 13 (2), 345-51
PubMed 7531219

Schroeder H, Garwicz S, Kristinsson J, Siimes MA, Wesenberg F, Gustafsson G (1995)
Outcome after first relapse in children with acute lymphoblastic leukemia: a population-based study of 315 patients from the Nordic Society of Pediatric Hematology and Oncology (NOPHO)
Med Pediatr Oncol, 25 (5), 372-8
PubMed 7674994

Publications 1993

Scand. J. Gastroenterol., 28 (12), 1073-1076

Røseth AG, Kristinsson J, Fagerhol MK, Schjønsby H, Aadland E, Nygaard K, Roald B (1993)
Faecal calprotectin: a novel test for the diagnosis of colorectal cancer?
Scand J Gastroenterol, 28 (12), 1073-6
PubMed 8303210

Publications 1989

Z RECHTSMED, 102 (6), 355-365