Fredrik Hjern

Publikationer
CV
Populärvetenskap och samverkan

Artiklar

Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2024;59(2):176-182

Identification of diverticular disease in Swedish healthcare registers: a validation study

Mahmood MW; Schmidt PT; Olen O; Hellsing C; Hjern F; Abraham-Nordling M
Article: BJS OPEN. 2022;6(6):zrac140

The impact of hospital volume on survival in patients with locally advanced colonic cancer

Rosander E; Holm T; Sjovall A; Hjern F; Weibull CE; Nordenvall C
Article: BJS OPEN. 2022;6(1):zrab140

Comparison of four surgical approaches for rectal prolapse: multicentre randomized clinical trial

Smedberg J; Graf W; Pekkari K; Hjern F
Article: COLORECTAL DISEASE. 2021;23(9):2387-2398

Check the placeEmergency resection or diverting stoma followed by elective resection in patients with colonic obstruction due to locally advanced cancer: a national cohort study

Rosander E; Holm T; Sjovall A; Hjern F; Weibull CE; Nordenvall C
Article: EJSO. 2021;47(9):2398-2404

Preoperative multidisciplinary team assessment is associated with improved survival in patients with locally advanced colon cancer; a nationwide cohort study in 3157 patients

Rosander E; Holm T; Sjovall A; Hjern F; Weibull CE; Nordenvall C
Article: EUROPEAN JOURNAL OF NUTRITION. 2019;58(6):2393-2400

High intake of dietary fibre from fruit and vegetables reduces the risk of hospitalisation for diverticular disease

Mahmood MW; Abraham-Nordling M; Hakansson N; Wolk A; Hjern F
Article: BRITISH JOURNAL OF SURGERY. 2019;106(7):930-939

Incidence and lifetime risk of hospitalization and surgery for diverticular disease

Skoldberg F; Granlund J; Discacciati A; Hjern F; Schmidt PT; Olen O
Article: ABDOMINAL RADIOLOGY. 2019;44(5):1712-1721

Morphological predictors for lymph node metastases on computed tomography in colon cancer

Rollven E; Blomqvist L; Oistamo E; Hjern F; Csanaky G; Abraham-Nordling M
Article: BRITISH JOURNAL OF SURGERY. 2019;106(6):790-798

Population-based study of surgical treatment with and without tumour resection in patients with locally recurrent rectal cancer

Westberg K; Palmer G; Hjern F; Holm T; Martling A
Article: COLORECTAL DISEASE. 2019;21(2):191-199

Robotic vs laparoscopic rectal tumour surgery: a cohort study

Asklid D; Gerjy R; Hjern F; Pekkari K; Gustafsson UO
Article: DISEASES OF THE COLON & RECTUM. 2018;61(4):454-460

Management and Outcome After Multivisceral Resections in Patients with Locally Advanced Primary Colon Cancer

Rosander E; Nordenvall C; Sjovall A; Hjern F; Holm T
Article: EJSO. 2018;44(1):100-107

Management and prognosis of locally recurrent rectal cancer - A national population-based study

Westberg K; Palmer G; Hjern F; Johansson H; Holm T; Martling A
Article: BRITISH JOURNAL OF SURGERY. 2017;104(13):1866-1873

Population-based study of factors predicting treatment intention in patients with locally recurrent rectal cancer

Westberg K; Palmer G; Hjern F; Nordenvall C; Johansson H; Holm T; Martling A
Article: ACTA RADIOLOGICA. 2017;58(11):1288-1293

The value of preoperative computed tomography combined with ultrasound in the investigation of small indeterminate liver lesions in patients with colorectal cancer

Abraham-Nordling M; Oistamo E; Josephson T; Hjern F; Blomqvist L
Article: EJSO. 2017;43(8):1433-1439

The impact of perioperative fluid therapy on short-term outcomes and 5-year survival among patients undergoing colorectal cancer surgery - A prospective cohort study within an ERAS protocol

Asklid D; Segelman J; Gedda C; Hjern F; Pekkari K; Gustafsson UO
Article: LANCET ONCOLOGY. 2017;18(3):336-346

Optimal fractionation of preoperative radiotherapy and timing to surgery for rectal cancer (Stockholm III): a multicentre, randomised, non-blinded, phase 3, non-inferiority trial

Erlandsson J; Holm T; Pettersson D; Berglund A; Cedermark B; Radu C; Johansson H; Machado M; Hjern F; Hallbook O; Syk I; Glimelius B; Martling A
Article: WORLD JOURNAL OF SURGICAL ONCOLOGY. 2016;14(1):232

Emergency management with resection versus proximal stoma or stent treatment and planned resection in malignant left-sided colon obstruction

Oistamo E; Hjern F; Blomqvist L; Falken Y; Pekkari K; Abraham-Nordling M
Article: ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA. 2016;95(5):528-533

Transanal submucosal polyacrylamide gel injection treatment of anal incontinence: a randomized controlled trial

Altman D; Hjern F; Zetterstrom J
Article: COLORECTAL DISEASE. 2016;18(2):187-194

Laparoscopic and open right-sided colonic resection in daily routine practice. A prospective multicentre study within an Enhanced Recovery After Surgery (ERAS) protocol

Tiefenthal M; Asklid D; Hjern F; Matthiessen P; Gustafsson UO
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2016;51(2):203-210

A population-based case-control study on statin exposure and risk of acute diverticular disease

Skoldberg F; Svensson T; Olen O; Hjern F; Schmidt PT; Ljung R
Article: ANNALS OF SURGERY. 2015;261(6):1153-1159

The Impact of Enhanced Recovery Protocol Compliance on Elective Colorectal Cancer Resection Results From an International Registry

Currie A; Burch J; Jenkins JT; Faiz O; Kennedy RH; Ljungqvist O; Demartines N; Hjern F; Norderval S; Lassen K; Revhaug A; Koczkas T; Nygren J; Gustafsson U; Kornfeld D; Slim K; Hill A; Soop M; Carlander J; Lundberg O; Fearon K; Kennedy R; Jenkins JT
Article: BRITISH JOURNAL OF SURGERY. 2014;102(1):119-124

Cohort study of corticosteroid use and risk of hospital admission for diverticular disease

Hjern F; Mahmood MW; Abraham-Nordling M; Wolk A; Hakansson N
Article: WORLD JOURNAL OF SURGICAL ONCOLOGY. 2013;11:133

Clinicopathological analysis of colorectal cancer: a comparison between emergency and elective surgical cases

Ghazi S; Berg E; Lindblom A; Lindforss U
Article: ACTA RADIOLOGICA. 2013;54(3):237-241

Cancer and diverticulitis of the sigmoid colon. Differentiation with computed tomography versus magnetic resonance imaging: preliminary experiences

Oistamo E; Hjern F; Blomqvist L; Von Heijne A; Abraham-Nordling M
Article: JOURNAL OF GASTROENTEROLOGY. 2012;47(6):619-634

Analysis of colorectal cancer morphology in relation to sex, age, location, and family history

Ghazi S; Lindforss U; Lindberg G; Berg E; Lindblom A; Papadogiannakis N
Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2012;35(9):1103-1107

The genetic influence on diverticular disease - a twin study

Granlund J; Svensson T; Olen O; Hjern F; Pedersen NL; Magnusson PKE; Schmidt PT
Article: AMERICAN JOURNAL OF GASTROENTEROLOGY. 2012;107(2):296-302

Obesity, Physical Inactivity, and Colonic Diverticular Disease Requiring Hospitalization in Women: A Prospective Cohort Study

Hjern F; Wolk A; Hakansson N
Article: BRITISH JOURNAL OF SURGERY. 2012;99(2):186-191

Randomized clinical trial of fluid restriction in colorectal surgery

Abraham-Nordling M; Hjern F; Pollack J; Prytz M; Borg T; Kressner U
Article: NATURE GENETICS. 2011;43(11):1098-1103

A germline variant in the TP53 polyadenylation signal confers cancer susceptibility

Stacey SN; Sulem P; Jonasdottir A; Masson G; Gudmundsson J; Gudbjartsson DF; Magnusson OT; Gudjonsson SA; Sigurgeirsson B; Thorisdottir K; Ragnarsson R; Benediktsdottir KR; Nexo BA; Tjonneland A; Overvad K; Rudnai P; Gurzau E; Koppova K; Hemminki K; Corredera C; Fuentelsaz V; Grasa P; Navarrete S; Fuertes F; Garcia-Prats MD; Sanambrosio E; Panadero A; De Juan A; Garcia A; Rivera F; Planelles D; Soriano V; Requena C; Aben KK; van Rossum MM; Cremers RGHM; van Oort IM; van Spronsen D-J; Schalken JA; Peters WHM; Helfand BT; Donovan JL; Hamdy FC; Badescu D; Codreanu O; Jinga M; Csiki IE; Constantinescu V; Badea P; Mates IN; Dinu DE; Constantin A; Mates D; Kristjansdottir S; Agnarsson BA; Jonsson E; Barkardottir RB; Einarsson GV; Sigurdsson F; Moller PH; Stefansson T; Valdimarsson T; Johannsson OT; Sigurdsson H; Jonsson T; Jonasson JG; Tryggvadottir L; Rice T; Hansen HM; Xiao Y; Lachance DH; Neill BPO; Kosel ML; Decker PA; Thorleifsson G; Johannsdottir H; Helgadottir HT; Sigurdsson A; Steinthorsdottir V; Lindblom A; Sandler RS; Keku TO; Banasik K; Jorgensen T; Witte DR; Hansen T; Pedersen O; Jinga V; Neal DE; Catalona WJ; Wrensch M; Wiencke J; Jenkins RB; Nagore E; Vogel U; Kiemeney LA; Kumar R; Mayordomo JI; Olafsson JH; Kong A; Thorsteinsdottir U; Rafnar T; Stefansson K
Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2011;34(6):675-681

Diverticular disease and the risk of colon cancer - a population-based case-control study

Granlund J; Svensson T; Granath F; Hjern F; Ekbom A; Blomqvist P; Schmidt PT
Article: BRITISH JOURNAL OF SURGERY. 2011;98(7):997-1002

Smoking and the risk of diverticular disease in women

Hjern F; Wolk A; Hakansson N
Article: BRITISH JOURNAL OF CANCER. 2010;103(4):575-580

Association studies on 11 published colorectal cancer risk loci

von Holst S; Picelli S; Edler D; Lenander C; Dalen J; Hjern F; Lundqvist N; Lindforss U; Pahlman L; Smedh K; Tornqvist A; Holm J; Janson M; Andersson M; Ekelund S; Olsson L; Ghazi S; Papadogiannakis N; Tenesa A; Farrington SM; Campbell H; Dunlop MG; Lindblom A
Article: EUROPEAN JOURNAL OF CANCER. 2010;46(6):1041-1048

Common variants in human CRC genes as low-risk alleles

Picelli S; Zajac P; Zhou X-L; Edler D; Lenander C; Dalen J; Hjern F; Lundqvist N; Lindforss U; Pahlman L; Smedh K; Tornqvist A; Holm J; Janson M; Andersson M; Ekelund S; Olsson L; Lundeberg J; Lindblom A
Article: BRITISH JOURNAL OF SURGERY. 2010;97(2):251-257

Influence of hysterectomy on fistula formation in women with diverticulitis

Altman D; Forsgren C; Hjern F; Lundholm C; Cnattingius S; Johansson ALV
Article: CLINICAL RADIOLOGY. 2007;62(7):645-650

CT colonography versus colonoscopy in the follow-up of patients after diverticulitis -: A prospective, comparative study

Hjern F; Jonas E; Holmstrom B; Josephson T; Mellgren A; Johansson C
Article: CLINICAL CANCER RESEARCH. 2007;13(12):3748-3752

Lack of an association between the TGFBR1*6A variant and colorectal cancer risk

Skoglund J; Song B; Dalen J; Dedorson S; Edler D; Hjern F; Holmo J; Lenander C; Lindforss U; Lundqvist N; Olivecrona H; Olsson L; Pahlman L; Rutegard J; Smedh K; Toernqvist A; Houlston RS; Lindblom A
Article: COLORECTAL DISEASE. 2007;9(5):438-442

Management of diverticular fistulae to the female genital tract

Hjern F; Goldberg SM; Johansson C; Parker SC; Mellgren A
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2007;42(1):41-47

Conservative treatment of acute colonic diverticulitis:: Are antibiotics always mandatory?

Hjern F; Josephson T; Altman D; Holmstrom B; Mellgren A; Pollack J; Johansson C
Article: ANTICANCER RESEARCH. 2006;26(6C):4885-4888

The CHEK2 1100delC variant in Swedish colorectal cancer

Djureinovic T; Lindblom A; Dalen J; Dedorson S; Edler D; Hjern F; Holm J; Lenander C; Lindforss U; Lundqvist N; Olivecrona H; Olsson L; Pahlman L; Rutegard J; Smedh K; Tornqvist A; Eiberg H; Bisgaard ML
Article: ALIMENTARY PHARMACOLOGY & THERAPEUTICS. 2006;23(6):797-805

Diverticular disease and migration - the influence of acculturation to a Western lifestyle on diverticular disease

Hjern F; Johansson C; Mellgren A; Baxter NN; Hjern A
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Alla övriga publikationer

Letter: BJS OPEN. 2022;6(2):zrac043

Author response to: Comparison of four surgical approaches for rectal prolapse: multicentre randomized clinical trial

Smedberg J; Graf W; Pekkari K; Hjern F
Published conference paper: BRITISH JOURNAL OF SURGERY. 2012;99(4):532-539

Randomized clinical trial of antibiotics in acute uncomplicated diverticulitis

Chabok A; Pahlman L; Hjern F; Haapaniemi S; Smedh K
Published conference paper: BRITISH JOURNAL OF SURGERY. 2008;95(6):758-764

Outcome of younger patients with acute diverticulitis

Hjern F; Josephson T; Altman D; Holmstrom B; Johansson C
Thesis / dissertation: 2006

Aspects on diverticular disease

Hjern, Fredrik
Published conference paper: DISEASES OF THE COLON & RECTUM. 2006;49(1):28-35

Pelvic organ prolapse and urinary incontinence in women with surgically managed rectal prolapse: A population-based case-control study

Altman D; Zetterstrom J; Schultz I; Nordenstam J; Hjern F; Lopez A; Mellgren A
Published conference paper: DISEASES OF THE COLON & RECTUM. 2005;48(6):1233-1241

Functional and anatomic outcome after transvaginal rectocele repair using collagen mesh:: A prospective study

Altman D; Zetterström J; López A; Anzén B; Falconer C; Hjern F; Mellgren A

Anställningar

Anknuten till Forskning, Kliniska vetenskaper, Danderyds sjukhus, Karolinska Institutet, 2023-2026

Examina och utbildning

Docent, kirurgi, Karolinska Institutet, 2012
MEDICINE DOKTORSEXAMEN, Institutionen för kliniska vetenskaper, Danderyds sjukhus, Karolinska Institutet, 2006
Läkarexamen, Karolinska Institutet, 1994

Handledare

Jannica Smedberg, Rectal prolapse - aspects of incidence, etiology and results after surgical treatment, 2022
Emma Rosander, Aspects of locally advanced colon cancer, 2015
Karin Westberg, Locally recurrent rectal cancer-aspects on management, surgery and outcome

Artiklar

Alla övriga publikationer

Anställningar

Examina och utbildning

Handledare

Nyheter från KI

Kalenderhändelser från KI