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Servodatmedisiinna instituhtta barthold.vonen@uit.no 99462226

Barthold Vonen



  • Bård Erling Uleberg, Kaare Harald Bønaa, Ragna Elise Støre Govatsmark, Frank Olsen, Bjarne K. Jacobsen, Eva Stensland et al.:
    Exploring variation in timely reperfusion treatment in ST-segment elevation myocardial infarction in Norway: A national register-based cohort study
    BMJ Open 2024 DOI
  • Ellinor Christin Haukland, Christian von Plessen, Carsten Nieder, Barthold Vonen :
    Adverse events in deceased hospitalised cancer patients as a measure of quality and safety in end-of-life cancer care
    BMC Palliative Care 2020 ARKIV / DOI
  • Ellinor Christin Haukland, Kjersti Mevik, Christian von Plessen, Carsten Nieder, Barthold Vonen :
    Contribution of adverse events to death of hospitalised patients
    BMJ Open Quality 2019 ARKIV / DOI
  • Kjersti Mevik, Tonje Elisabeth Hansen, Ellen C Tveter Deilkås, Alexander Ringdal, Barthold Vonen :
    Is a modified Global Trigger Tool method using automatic trigger identification valid when measuring adverse events? A comparison of review methods using automatic and manual trigger identification
    International Journal for Quality in Health Care 2018 ARKIV / DOI
  • Ellinor Christin Haukland, Christian von Plessen, Carsten Nieder, Barthold Vonen :
    Adverse events in hospitalised cancer patients: a comparison to a general hospital population
    Acta Oncologica 2017 ARKIV / DOI
  • Kjersti Mevik, Frances A. Griffin, Tonje Elisabeth Hansen, Ellen C Tveter Deilkås, Barthold Vonen :
    Is inter-rater reliability of Global Trigger Tool results altered when members of the review team are replaced?
    International Journal for Quality in Health Care 09. Jun 2016 ARKIV / DOI
  • Kjersti Mevik, Frances A. Griffin, Tonje Elisabeth Hansen, Ellen C Tveter Deilkås, Barthold Vonen :
    Does increasing the size of bi-weekly samples of records influence results when using the Global Trigger Tool? An observational study of retrospective record reviews of two different sample sizes
    BMJ Open 2016 ARKIV / DOI
  • Arvid Steinar Haugen, Eirik Søfteland, Stian Kreken Almeland, Nick Sevdalis, Barthold Vonen, Geir Egil Eide et al.:
    Effect of the World Health Organization Checklist on Patient Outcomes: A Stepped Wedge Cluster Randomized Controlled Trial
    Annals of Surgery 2015 ARKIV / DOI
  • Marianne Guren, Hartwig Kørner, Frank Pfeffer, Tor Åge Myklebust, Morten Tandberg Eriksen, Tom-Harald Edna et al.:
    Nationwide improvement of rectal cancer treatment outcomes in Norway, 1993-2010
    Acta Oncologica 2015 DOI
  • Mona Stedenfeldt, Jouko Pirhonen, Ellen Blix, Tom Wilsgaard, Barthold Vonen, Pål Øian :
    Anal incontinence, urinary incontinence and sexual problems in primiparous women - a comparison between women with episiotomy only and women with episiotomy and obstetric anal sphincter injury
    BMC Women's Health 2014 ARKIV / DOI
  • Jan Norum, Anca Kriemhilde Heyd, Bente Hjelseth, Tove Elisabeth Svee, Fred A. Mürer, Randi Erlandsen et al.:
    Quality of obstetric care in the sparsely populated sub-arctic area of Norway 2009-2011
    BMC Pregnancy and Childbirth 2013 ARKIV / DOI
  • Anne Gry Bentzen, Marianne Guren, Barthold Vonen, Eva Hoff Wanderås, Gunilla Frykholm, Tom Wilsgaard et al.:
    Faecal incontinence after chemoradiotherapy in anal cancer survivors: Long-term results of a national cohort
    Radiotherapy and Oncology 2013 DOI
  • Sonja Eriksson Steigen, vidar Isaksen, Anita Skjæveland, Barthold Vonen :
    Adenomas with adenocarcinoma: a study evaluating the risk of residual cancer and lymph node metastasis
    Scandinavian Journal of Surgery 2013
  • Trond Dehli, Arvid Stordahl, Lars Johan Vatten, Pål Richard Romundstad, Kjersti Mevik, Ylva Sahlin et al.:
    Sphincter training or anal injections of dextranomer for treatment of anal incontinence: a randomized trial
    Scandinavian Journal of Gastroenterology 08. Jan 2013 DOI
  • Knut Magne Augestad, Jan Norum, Stefan Dehof, Ranveig Aspevik, Unni Ringberg, Torunn Kristin Nestvold et al.:
    Cost-effectiveness and quality of life in surgeon versus general practitioner-organised colon cancer surveillance: a randomised controlled trial
    BMJ Open 2013 ARKIV / DOI
  • Stig Norderval, K Røssaak, Aron Markskog, Barthold Vonen :
    Incontinence after primary repair of obstetric anal sphincter tears is related to relative length of reconstructed external sphincter: a case-control study
    Ultrasound in Obstetrics and Gynecology 2012 DOI
  • Mona Stedenfeldt, Jouko Pirhonen, Ellen Blix, Tom Wilsgaard, Barthold Vonen, Pål Øian :
    Episiotomy characteristics and risks for obstetric anal sphincter injuries: a case-control study
    BJOG: An International Journal of Obstetrics and Gynaecology 2012 ARKIV / DOI
  • Mette Pernille Myklebust, Zhiping Li, Thai H. Tran, Hallgeir Rui, Erik S. Knudsen, Hany Elsaleh et al.:
    Expression of cyclin D1a and D1b as predictive factors for treatment response in colorectal cancer
    British Journal of Cancer 2012 DOI
  • Trond Dehli, Monica Martinussen, Kjersti Mevik, Arvid Stordahl, Ylva Sahlin, Rolv-Ole Lindsetmo et al.:
    TRANSLATION AND VALIDATION OF THE NORWEGIAN VERSION OF THE FECAL INCONTINENCE QUALITY-OF-LIFE SCALE
    Scandinavian Journal of Surgery 2011
  • Stig Norderval, Mona Birgitte Rydningen, Rolv-Ole Lindsetmo, Dag Lein, Barthold Vonen :
    Sakralnervestimulering
    Tidsskrift for Den norske legeforening 2011 FULLTEKST / DOI
  • Christian Rushfeldt, Baldur Sveinbjørnsson, Kjetil Søreide, Barthold Vonen :
    Risk of anastomotic leakage with use of NSAIDs after gastrointestinal surgery
    International Journal of Colorectal Disease 2011 SAMMENDRAG / DOI
  • Christian Rushfeldt, Gunnar Oltmanns, Barthold Vonen :
    Spigelian-cryptorchidism syndrome: a case report and discussion of the basic elements in a possibly new congenital syndrome
    Pediatric Surgery International 2010 DOI
  • Øystein Fluge, K Gravdal, E Carlsen, Erik Carlsen, Barthold Vonen, K Kjellevold et al.:
    Expression of EZH2 and Ki-67 in colorectal cancer and associations with treatment response and prognosis
    British Journal of Cancer 2009 DOI
  • Olav Dahl, Øystein Fluge, Erik Carlsen, Johan N Wiig, Helge E Myrvold, Barthold Vonen et al.:
    Final results of a randomised phase III study on adjuvant chemotherapy with 5 FU and levamisol in colon and rectum cancer stage II and III by the Norwegian Gastrointestinal Cancer Group
    Acta Oncologica 2009 DOI
  • Knut Magne Augestad, Arthur Revhaug, Barthold Vonen, Roar Johnsen, Rolv-Ole Lindsetmo :
    The one-stop trial: does electronic referral and booking by the general practitioner (GPs) to outpatient day case surgery reduce waiting time and costs? A randomized controlled trial protocol
    BMC Surgery 2009 DOI
  • MH Hansen, Lise Balteskard, LM Dorum, LM Dørum, MT Eriksen, B Voenn et al.:
    Locally recurrent rectal cancer in Norway
    British Journal of Surgery 2009 DOI
  • Stig Norderval, Trond Dehli, Barthold Vonen :
    Three-dimensional endoanal ultrasonography: intraobserver and interobserver agreement using scoring systems for classification of anal sphincter defects
    Ultrasound in Obstetrics and Gynecology 2009 DOI
  • Kjersti Mevik, Stig Norderval, Hege Kileng, Magnar Johansen, Barthold Vonen :
    LONG-TERM RESULTS AFTER ANTERIOR SPHINCTEROPLASTY FOR ANAL INCONTINENCE
    Scandinavian Journal of Surgery 2009
  • Guanglin Cui, Aping Yuan, Rasmus Goll, Barthold Vonen, Jon Florholmen :
    Dynamic changes of interleukin-8 network along the colorectal adenoma-carcinoma sequence
    Cancer Immunology and Immunotherapy 2009 DOI
  • Guanglin Cui, Aping Yuan, Barthold Vonen, Jon Florholmen :
    Progressive cellular response in the lamina propria of the colorectal adenoma-carcinoma sequence
    Histopathology 2009 DOI
  • Knut Magne Augestad, Barthold Vonen, Ranveig K Aspevik, Torunn Nestvold, Unni Ringberg, Roar Johnsen et al.:
    Should the surgeon or the general practitioner (GP) follow up patients after surgery for colon cancer? A randomized controlled trial protocol focusing on quality of life, cost-effectiveness and serious clinical events
    BMC Health Services Research 2008 FULLTEKST / DOI
  • Stig Norderval, A Markskog, K Rossaak, Barthold Vonen :
    Correlation between anal sphincter defects and anal incontinence following obstetric sphincter tears: assessment using scoring systems for sonographic classification of defects
    Ultrasound in Obstetrics and Gynecology 2008 DOI
  • Trond Dehli, Stig Norderval, Rolv-Ole Lindsetmo, Barthold Vonen :
    Utredning av anal inkontinens hos voksne
    Tidsskrift for Den norske legeforening 2008
  • Anne Gry Bentzen, Barthold Vonen, Johan N Wiig, Lise Balteskard :
    Residiv av endetarmskreft - synspunkter på behandling
    Tidsskrift for Den norske legeforening 2007
  • Trine Olsen, Rasmus Goll, Guanglin Cui, Anne Husebekk, Barthold Vonen, Grethe S Birketvedt et al.:
    Tissue levels of tumor necrosis factor-alpha correlates with grade of inflammation in untreated ulcerative colitis
    Scandinavian Journal of Gastroenterology 2007 DOI
  • Guanglin Cui, Aping Yuan, Rasmus Goll, Trine Olsen, Anne Husebekk, Barthold Vonen et al.:
    Distinct changes of dendritic cell number and IL-12 mRNA level in adjacent mucosa throughout the colorectal adenoma-carcinoma sequence
    Cancer Immunology and Immunotherapy 2007 DOI
  • Trond Dehli, Rolv-Ole Lindsetmo, Kjersti Mevik, Barthold Vonen :
    Anal inkontinens – utprøvning av en ny behandlingsmetode
    Tidsskrift for Den norske legeforening 2007 FULLTEKST
  • L Balteskard, Barthold Vonen, Gunilla Frykholm, Olav Dahl, KM Tveit :
    Strålebehandling av endetarmskreft
    Tidsskrift for Den norske legeforening 2007
  • Guanglin Cui, Rasmus Goll, T Olsen, SE Steigen, Anne Husebekk, Barthold Vonen et al.:
    Reduced expression of microenvironmental Th1 cytokines accompanies adenomas-carcinomas sequence of colorectum
    Cancer Immunology and Immunotherapy 2007 DOI
  • Guanglin Cui, Trine Olsen Jølle, Ingrid B. Christiansen, Barthold Vonen, Jon Florholmen, Rasmus Goll :
    Improvement of real-time polymerase chain reaction for quantifying TNF-alpha mRNA expression in inflamed colorectal mucosa: an approach to optimize procedures for clinical use
    Scandinavian Journal of Clinical and Laboratory Investigation 2006
  • Stig Norderval, Pål Øian, Arthur Revhaug, Barthold Vonen :
    Anal incontinence after obstetric sphincter tears: outcome of anatomic primary repairs
    Diseases of the Colon & Rectum 2005
  • Stig Norderval, D Nsubugu, C Bjelke, J Frasunek, I Myklebust, Barthold Vonen :
    Anal incontinence after obstetric sphincter tears: incidence in a Norwegian county
    Acta Obstetricia et Gynecologica Scandinavica 2004
  • Stig Harthug, Arvid Steinar Haugen, Eirik Softeland, Stian Kreken Almeland, Nick Sevdalis, Barthold Vonen et al.:
    Reply
    Annals of Surgery 2016 DOI
  • Arvid Steinar Haugen, Eirik Softeland, Stian Kreken Almeland, Nick Sevdalis, Barthold Vonen, Geir Egil Eide et al.:
    Reply to "Letter to Editor Concerning the Article-Effect of the World Health Organization Checklist on Patient Outcomes: A Stepped Wedge Cluster Randomized Controlled Trial"
    Annals of Surgery 05. Nov 2014 DOI
  • Kjersti Mevik, Tonje Elisabeth Hansen, Ellen C Tveter Deilkås, Barthold Vonen :
    Tracking adverse events in the trust using the IHI GT
    2014
  • Kjersti Mevik, Ellen C Tveter Deilkås, Tonje Elisabeth Hansen, Birger Hveding, Barthold Vonen :
    Do only 20 inpatient hospital records per month give reliable results when doing record review with Global Trigger Tool?
    2013
  • Mona Stedenfeldt, Jouko Pirhonen, Egil Støre Blix, Tom Wilsgaard, Barthold Vonen, Pål Øian :
    Epsiotomy characterisitics and risk for anal sphincter injuries: a case-control study
    Acta Obstetricia et Gynecologica Scandinavica 2012
  • Mona Stedenfeldt, Jouko Pirhonen, Egil Støre Blix, Tom Wilsgaard, Barthold Vonen, Pål Øian :
    ANAL INCONTINENCE AND SEXUAL PROBLEMS IN WOMEN WITH EPISIOTOMY - A MATCHED CASE-CONTROL STUDY
    Neurourology and Urodynamics 2012
  • Mona Stedenfeldt, Jouko Pirhonen, Ellen Blix, Tom Wilsgaard, Barthold Vonen, Pål Øian :
    Avoiding episiotomy is the best strategy to prevent OASIS: response to the article 'Episiotomy characteristics and risks for obstetric anal sphincter injuries: a case-control study'
    BJOG: An International Journal of Obstetrics and Gynaecology 2012 DOI
  • Stig Norderval, K Rossaak, Aron Markskog, Barthold Vonen :
    ANAL INCONTINENCE AFTER PRIMARY REPAIR OF OBSTETRIC SPHINCTER TEARS IS RELATED TO THE RELATIVE LENGTH OF THE RECONSTRUCTED EXTERNAL ANAL SPHINCTER: A CASE CONTROL STUDY
    Neurourology and Urodynamics 2011

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