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Roald Flesland Havres bilde

Roald Flesland Havre

Professor
  • E-postRoald.Havre@uib.no
  • Telefon+47 55 97 30 79
  • Besøksadresse
    Haukeland Universitetssykehus Laboratoriebygget, 7. etg. Heis øst
    5009 Bergen
  • Postadresse
    Postboks 7804
    5020 Bergen
Vitenskapelig artikkel
  • Vis forfatter(e) (2021). EUS-guided gastroenterostomy with a lumen apposing self-expandable metallic stent relieves gastric outlet obstruction – a Scandinavian case series. Scandinavian Journal of Gastroenterology. 972-977.
  • Vis forfatter(e) (2021). Diagnostic Accuracy of Transabdominal Ultrasound and Computed Tomography in Chronic Pancreatitis: A Head-to-Head Comparison. Ultrasound International Open. E35-E44.
  • Vis forfatter(e) (2021). Diagnostic Accuracy of Computed Tomography Scores in Chronic Pancreatitis. Pancreas. 549-555.
  • Vis forfatter(e) (2021). Controlled Attenuation Parameter in Healthy Individuals Aged 8-70 Years. Ultrasound International Open. E6-E13.
  • Vis forfatter(e) (2020). Surgical Treatment of Severe Bowel Obstruction as a Rare Complication Following Allogenic Hematopoietic Stem Cell Transplantation. Transplantology.
  • Vis forfatter(e) (2020). Performance of contrast-enhanced ultrasound (CEUS) in assessing thyroid nodules: a systematic review and meta-analysis using histological standard of reference. Radiologia Medica. 406-415.
  • Vis forfatter(e) (2020). Liver elastography in healthy children using three different systems - how many measurements are necessary? Ultraschall in der Medizin. 1-10.
  • Vis forfatter(e) (2019). Treatment of aortoduodenal syndrome with endoscopic ultrasound-guided gastroenterostomy. Endoscopy. 1076-0678.
  • Vis forfatter(e) (2019). The use of handheld ultrasound devices-an EFSUMB position paper. Ultraschall in der Medizin. 30-39.
  • Vis forfatter(e) (2019). The EFSUMB guidelines and recommendations for the clinical practice of elastography in non-hepatic applications: Update 2018. Ultraschall in der Medizin. 425-453.
  • Vis forfatter(e) (2019). Normal Liver Stiffness Values in Children: A Comparison of Three Different Elastography Methods. Journal of Pediatric Gastroenterology and Nutrition - JPGN. 706-712.
  • Vis forfatter(e) (2019). Endoscopic management of gastrocolic fistula after endoscopic ultrasound-guided gastrojejunostomy (EUS-GJ). Endoscopy.
  • Vis forfatter(e) (2019). EUS-guided coil placement for acute gastric variceal bleeding induced by non-EUS-guided variceal glue injection (with video). Endoscopy International Open. 3 sider.
  • Vis forfatter(e) (2018). Strain ratio as a quantification tool in strain imaging. Applied Sciences. 1-12.
  • Vis forfatter(e) (2018). Navigated retrograde endoscopic myotomy (REM) for the treatment of therapy-resistant achalasia. Neurogastroenterology and Motility. 6 sider.
  • Vis forfatter(e) (2018). Liver elasticity in healthy individuals by two novel shear-wave elastography systems-Comparison by age, gender, BMI and number of measurements. PLOS ONE. 1-16.
  • Vis forfatter(e) (2018). Initial experience with EUS-guided microbiopsy forceps in diagnosing pancreatic cystic lesions: A multicenter feasibility study (with video). Endoscopic Ultrasound. 383-388.
  • Vis forfatter(e) (2018). Good agreement between transabdominal and endoscopic ultrasound of the pancreas in chronic pancreatitis. Ultraschall in der Medizin. 1-9.
  • Vis forfatter(e) (2017). Repeatability of shear wave elastography in liver fibrosis phantoms—Evaluation of five different systems. PLOS ONE. 1-16.
  • Vis forfatter(e) (2017). Diagnostic accuracy of transabdominal ultrasound in chronic pancreatitis. Ultrasound in Medicine and Biology. 735-743.
  • Vis forfatter(e) (2017). Assessing liver stiffness by 2-D shear wave elastography in a healthy cohort. Ultrasound in Medicine and Biology. 332-341.
  • Vis forfatter(e) (2016). Ultrasound and point shear wave elastography in livers of patients with primary sclerosing cholangitis. Ultrasound in Medicine and Biology. 2146-2155.
  • Vis forfatter(e) (2016). In vitro comparison of five different elastography systems for clinical applications, using strain and shear wave technology. Ultrasound in Medicine and Biology. 2572-2588.
  • Vis forfatter(e) (2016). In Vitro Comparison of Five Different Elastography Systems for Clinical Applications, Using Strain and Shear Wave Technology. Ultrasound in Medicine and Biology. 2572-2588.
  • Vis forfatter(e) (2016). EUS Needle Identification Comparison and Evaluation study (with videos). Gastrointestinal Endoscopy. 424-433.
  • Vis forfatter(e) (2016). Differentiation of metastatic and non-metastatic mesenteric lymph nodes by strain elastography in surgical specimens. Ultraschall in der Medizin. 366-372.
  • Vis forfatter(e) (2015). Strain Elastography Evaluation of Rectal Tumors: Inter- and Intraobserver Reproducibility. Ultraschall in der Medizin. 611-617.
  • Vis forfatter(e) (2015). Endorectal ultrasonography, strain elastography and MRI differentiation of rectal adenomas and adenocarcinomas. Colorectal Disease. 124-131.
  • Vis forfatter(e) (2015). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part V. Ultraschall in der Medizin.
  • Vis forfatter(e) (2015). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part II: Diagnostic ultrasound-guided interventional procedures (Short Version). Ultraschall in der Medizin. 566-580.
  • Vis forfatter(e) (2015). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part I: General aspects (long Version). Ultraschall in der Medizin. E3-E16.
  • Vis forfatter(e) (2015). Combined endorectal ultrasonography and strain elastography for the staging of early rectal cancer. Colorectal Disease. 50-56.
  • Vis forfatter(e) (2014). Strain assessment in surgically resected inflammatory and neoplastic bowel lesions. Ultraschall in der Medizin. 149-158.
  • Vis forfatter(e) (2014). Characterization of solid focal pancreatic lesions using endoscopic ultrasonography with real-time elastography. Scandinavian Journal of Gastroenterology. 742-751.
  • Vis forfatter(e) (2013). Ultrasonography in diagnosing chronic pancreatitis: New aspects. World Journal of Gastroenterology (WJG). 7247-7257.
  • Vis forfatter(e) (2013). Quantitative measurement of ultrasound attenuation and hepato-renal index in non-alcoholic fatty liver disease. Medical ultrasonography. 16-22.
  • Vis forfatter(e) (2013). EFSUMB guidelines and recommendations on the clinical use of ultrasound elastography. Part 2: clinical applications. Ultraschall in der Medizin. 238-253.
  • Vis forfatter(e) (2013). EFSUMB Guidelines and recommendations on the clinical use of ultrasound elastography. Part 1: basic principles and technology. Ultraschall in der Medizin. 169-184.
  • Vis forfatter(e) (2012). Real-Time Elastography: Strain Ratio Measurements Are Influenced by the Position of the Reference Area. Ultraschall in der Medizin. 559-568.
  • Vis forfatter(e) (2012). Efficacy of an Artificial Neural Network- Based Approach to Endoscopic Ultrasound Elastography in Diagnosis of Focal Pancreatic Masses. Clinical Gastroenterology and Hepatology. 84-U167.
  • Vis forfatter(e) (2011). Endorectal elastography in the evaluation of rectal tumours. Colorectal Disease. 1130-1137.
  • Vis forfatter(e) (2011). Accuracy of endoscopic ultrasound elastography used for differential diagnosis of focal pancreatic masses: a multicenter study. Endoscopy. 596-603.
  • Vis forfatter(e) (2010). Endorectal elastography in the evaluation of rectal tumours. Colorectal Disease.
  • Vis forfatter(e) (2008). Freehand real-time elastography: Impact of scanning parameters on image quality and In Vitro intra- and interobserver validations. Ultrasound in Medicine and Biology. 1638-1650.
Faglig foredrag
  • Vis forfatter(e) (2017). Måling av vevsstivhet på fantomer med fire ulike «shear wave» elastografisystemer.
Vitenskapelig foredrag
  • Vis forfatter(e) (2020). Endoskopisk ultralydveiledet multimodal diagnostikk og behandling av insulinom i pankreas.
  • Vis forfatter(e) (2020). Chromoendoscopy with Iodine-Potassium iodine solution in eosinophilic esophagitis.
  • Vis forfatter(e) (2019). CHROMOENDOSCOPY WITH IODINE-POTASSIUM IODINE SOLUTION IN EOSINOPHILIC ESOPHAGITIS.
  • Vis forfatter(e) (2017). Navigated Retrograde Endoscopic Myotomy (REM) for the Treatment of Therapy-Resistant Achalasia.
  • Vis forfatter(e) (2016). Quantification of tissue elasticity in vitro using three clinical shear wave elastography platforms on liver fibrosis phantoms.
  • Vis forfatter(e) (2016). Elastography of the Liver in Primary Sclerosing Cholangitis.
  • Vis forfatter(e) (2015). In vitro quantification and reproducibility of elasticity measurements using five different elastography systems.
Short communication
  • Vis forfatter(e) (2015). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part I: General aspects (Short Version). Ultraschall in der Medizin. 464-472.
Doktorgradsavhandling
  • Vis forfatter(e) (2019). In-vitro and in-vivo validation of ultrasound shear wave elastography for liver application.
  • Vis forfatter(e) (2012). Tissue characterisation by ultrasound strain imaging – methodological aspects and gastroenterological applications.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Vis forfatter(e) (2015). Rosemont score from transabdominal ultrasound in chronic pancreatitis. 3 sider.
  • Vis forfatter(e) (2015). Point shear wave elastography of the liver in primary sclerosing cholangitis. 2 sider.
  • Vis forfatter(e) (2014). Imaging of Tissue Elasticity in Gastrointestinal Disorders. 9 sider.
  • Vis forfatter(e) (2011). Ultrasound Palpation by Haptic Elastography.
  • Vis forfatter(e) (2011). Reconstructing the sense of touch - Haptic rendering of sonoelastography images. 1 sider.
Sammendrag/abstract
  • Vis forfatter(e) (2015). Elasticity Mearsurements Using Four Different Ultrasound Scanners. Ultrasound in Medicine and Biology. 148-149.
  • Vis forfatter(e) (2014). Usefulness of endoscopic ultrasound for the diagnosis of hemosuccus pancreaticus. Endoscopy. 1 sider.
  • Vis forfatter(e) (2010). Endoscopic submucosal dissection of early gastric cancer - video case. Scandinavian Journal of Gastroenterology. 58-58.
Poster
  • Vis forfatter(e) (2019). Treatment of Aortoduodenal Syndrome with EUS-guided gastroenterostomy.
  • Vis forfatter(e) (2019). OUTCOME OF PER ORAL ENDOSCOPIC MYOTOMY FOR TREATMENT OF ACHALASIA - NORWEGIAN SINGLE CENTER EXPERIENCE WITH MEDIAN FOLLOWING-UP OF 24 MONTHS.
  • Vis forfatter(e) (2017). ASSESSING LIVER STIFFNESS USING 2D-SHEAR WAVE ELASTOGRAPHY IN A HEALTHY COHORT.
  • Vis forfatter(e) (2016). Strain ratio as a quantification tool in strain imaging.
  • Vis forfatter(e) (2015). Rosemont score from transabdominal ultrasound in chronic pancreatitis.
  • Vis forfatter(e) (2015). Point shear wave elastography of the liver in primary sclerosing cholangitis.
  • Vis forfatter(e) (2015). In vitro quantification and reproducibility of elasticity measurements using four different ultrasound scanners.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) (2017). Indications, results, and clinical impact of endoscopic ultrasound (EUS)-guided sampling in gastroenterology: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline - Updated January 2017. Endoscopy. 695-714.
  • Vis forfatter(e) (2016). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part v - EUS-Guided Therapeutic Interventions (short version). Ultraschall in der Medizin. 412-420.
  • Vis forfatter(e) (2016). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part IV - EUS-guided interventions: General Aspects and EUS-guided Sampling (Short Version). Ultraschall in der Medizin. 157-169.
  • Vis forfatter(e) (2016). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part IV - EUS-guided Interventions: General aspects and EUS-guided sampling (Long Version). Ultraschall in der Medizin. E33-E76.
  • Vis forfatter(e) (2015). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part IV - EUS-guided Interventions: General aspects and EUS-guided sampling (Long Version). Ultraschall in der Medizin.
  • Vis forfatter(e) (2015). EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part II: Diagnostic ultrasound-guided interventional procedures (Long Version). Ultraschall in der Medizin. E15-E35.
  • Vis forfatter(e) (2014). Elastography and strain rate imaging of the gastrointestinal tract. European Journal of Radiology. 438-441.
Fagartikkel
  • Vis forfatter(e) (2018). EUS elastography: How to do it? Endoscopic Ultrasound. 20-28.
  • Vis forfatter(e) (2016). An 87-Year-Old Woman With Recurrent Dysphagia. Gastroenterology. 1085-1086.

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