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Roald Flesland Havre's picture

Roald Flesland Havre

Professor
  • E-mailRoald.Havre@uib.no
  • Phone+47 55 97 30 79
  • Visitor Address
    Haukeland Universitetssykehus Laboratoriebygget, 7. etg. Heis øst
  • Postal Address
    Postboks 7804
    5020 Bergen
Academic article
  • 2019. Treatment of aortoduodenal syndrome with endoscopic ultrasound-guided gastroenterostomy. Endoscopy. 1076-0678.
  • 2019. The use of handheld ultrasound devices-an EFSUMB position paper. Ultraschall in der Medizin. 30-39.
  • 2019. The EFSUMB guidelines and recommendations for the clinical practice of elastography in non-hepatic applications: Update 2018. Ultraschall in der Medizin. 425-453.
  • 2019. Normal Liver Stiffness Values in Children: A Comparison of Three Different Elastography Methods. Journal of Pediatric Gastroenterology and Nutrition - JPGN. 706-712.
  • 2019. Endoscopic management of gastrocolic fistula after endoscopic ultrasound-guided gastrojejunostomy (EUS-GJ). Endoscopy.
  • 2019. EUS-guided coil placement for acute gastric variceal bleeding induced by non-EUS-guided variceal glue injection (with video). Endoscopy International Open. 3 pages.
  • 2018. Strain ratio as a quantification tool in strain imaging. Applied Sciences. 1-12.
  • 2018. Navigated retrograde endoscopic myotomy (REM) for the treatment of therapy-resistant achalasia. Neurogastroenterology and Motility. 6 pages.
  • 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.
  • 2018. Initial experience with EUS-guided microbiopsy forceps in diagnosing pancreatic cystic lesions: A multicenter feasibility study (with video). Endoscopic Ultrasound. 383-388.
  • 2018. Good agreement between transabdominal and endoscopic ultrasound of the pancreas in chronic pancreatitis. Ultraschall in der Medizin. 1-9.
  • 2017. Repeatability of shear wave elastography in liver fibrosis phantoms—Evaluation of five different systems. PLOS ONE. 1-16.
  • 2017. Diagnostic accuracy of transabdominal ultrasound in chronic pancreatitis. Ultrasound in Medicine and Biology. 735-743.
  • 2017. Assessing liver stiffness by 2-D shear wave elastography in a healthy cohort. Ultrasound in Medicine and Biology. 332-341.
  • 2016. Ultrasound and point shear wave elastography in livers of patients with primary sclerosing cholangitis. Ultrasound in Medicine and Biology. 2146-2155.
  • 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.
  • 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.
  • 2016. EUS Needle Identification Comparison and Evaluation study (with videos). Gastrointestinal Endoscopy. 424-433.
  • 2016. Differentiation of metastatic and non-metastatic mesenteric lymph nodes by strain elastography in surgical specimens. Ultraschall in der Medizin. 366-372.
  • 2015. Strain Elastography Evaluation of Rectal Tumors: Inter- and Intraobserver Reproducibility. Ultraschall in der Medizin. 611-617.
  • 2015. Endorectal ultrasonography, strain elastography and MRI differentiation of rectal adenomas and adenocarcinomas. Colorectal Disease. 124-131.
  • 2015. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part V. Ultraschall in der Medizin.
  • 2015. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part II: Diagnostic ultrasound-guided interventional procedures (Short Version). Ultraschall in der Medizin. 566-580.
  • 2015. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part I: General aspects (long Version). Ultraschall in der Medizin. E3-E16.
  • 2015. Combined endorectal ultrasonography and strain elastography for the staging of early rectal cancer. Colorectal Disease. 50-56.
  • 2014. Strain assessment in surgically resected inflammatory and neoplastic bowel lesions. Ultraschall in der Medizin. 149-158.
  • 2014. Characterization of solid focal pancreatic lesions using endoscopic ultrasonography with real-time elastography. Scandinavian Journal of Gastroenterology. 742-751.
  • 2013. Ultrasonography in diagnosing chronic pancreatitis: New aspects. World Journal of Gastroenterology. 7247-7257.
  • 2013. Quantitative measurement of ultrasound attenuation and hepato-renal index in non-alcoholic fatty liver disease. Medical ultrasonography. 16-22.
  • 2013. EFSUMB guidelines and recommendations on the clinical use of ultrasound elastography. Part 2: clinical applications. Ultraschall in der Medizin. 238-253.
  • 2013. EFSUMB Guidelines and recommendations on the clinical use of ultrasound elastography. Part 1: basic principles and technology. Ultraschall in der Medizin. 169-184.
  • 2012. Real-Time Elastography: Strain Ratio Measurements Are Influenced by the Position of the Reference Area. Ultraschall in der Medizin. 559-568.
  • 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.
  • 2011. Endorectal elastography in the evaluation of rectal tumours. Colorectal Disease. 1130-1137.
  • 2011. Accuracy of endoscopic ultrasound elastography used for differential diagnosis of focal pancreatic masses: a multicenter study. Endoscopy. 596-603.
  • 2010. Endorectal elastography in the evaluation of rectal tumours. Colorectal Disease.
  • 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.
Lecture
  • 2017. Måling av vevsstivhet på fantomer med fire ulike «shear wave» elastografisystemer.
Academic lecture
  • 2020. Endoskopisk ultralydveiledet multimodal diagnostikk og behandling av insulinom i pankreas.
  • 2020. Chromoendoscopy with Iodine-Potassium iodine solution in eosinophilic esophagitis.
  • 2019. CHROMOENDOSCOPY WITH IODINE-POTASSIUM IODINE SOLUTION IN EOSINOPHILIC ESOPHAGITIS.
  • 2017. Navigated Retrograde Endoscopic Myotomy (REM) for the Treatment of Therapy-Resistant Achalasia.
  • 2016. Quantification of tissue elasticity in vitro using three clinical shear wave elastography platforms on liver fibrosis phantoms.
  • 2016. Elastography of the Liver in Primary Sclerosing Cholangitis.
  • 2015. In vitro quantification and reproducibility of elasticity measurements using five different elastography systems.
Short communication
  • 2015. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part I: General aspects (Short Version). Ultraschall in der Medizin. 464-472.
Doctoral dissertation
  • 2019. In-vitro and in-vivo validation of ultrasound shear wave elastography for liver application.
  • 2012. Tissue characterisation by ultrasound strain imaging – methodological aspects and gastroenterological applications.
Academic chapter/article/Conference paper
  • 2015. Rosemont score from transabdominal ultrasound in chronic pancreatitis. 3 pages.
  • 2015. Point shear wave elastography of the liver in primary sclerosing cholangitis. 2 pages.
  • 2014. Imaging of Tissue Elasticity in Gastrointestinal Disorders. 9 pages.
  • 2011. Ultrasound Palpation by Haptic Elastography.
  • 2011. Reconstructing the sense of touch - Haptic rendering of sonoelastography images. 1 pages.
Abstract
  • 2015. Elasticity Mearsurements Using Four Different Ultrasound Scanners. Ultrasound in Medicine and Biology. 148-149.
  • 2014. Usefulness of endoscopic ultrasound for the diagnosis of hemosuccus pancreaticus. Endoscopy. 1 pages.
  • 2010. Endoscopic submucosal dissection of early gastric cancer - video case. Scandinavian Journal of Gastroenterology. 58-58.
Poster
  • 2019. Treatment of Aortoduodenal Syndrome with EUS-guided gastroenterostomy.
  • 2019. OUTCOME OF PER ORAL ENDOSCOPIC MYOTOMY FOR TREATMENT OF ACHALASIA - NORWEGIAN SINGLE CENTER EXPERIENCE WITH MEDIAN FOLLOWING-UP OF 24 MONTHS.
  • 2017. ASSESSING LIVER STIFFNESS USING 2D-SHEAR WAVE ELASTOGRAPHY IN A HEALTHY COHORT.
  • 2016. Strain ratio as a quantification tool in strain imaging.
  • 2015. Rosemont score from transabdominal ultrasound in chronic pancreatitis.
  • 2015. Point shear wave elastography of the liver in primary sclerosing cholangitis.
  • 2015. In vitro quantification and reproducibility of elasticity measurements using four different ultrasound scanners.
Academic literature review
  • 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. 695-714.
  • 2016. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part v - EUS-Guided Therapeutic Interventions (short version). 412-420.
  • 2016. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part IV - EUS-guided interventions: General Aspects and EUS-guided Sampling (Short Version). 157-169.
  • 2016. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part IV - EUS-guided Interventions: General aspects and EUS-guided sampling (Long Version). E33-E76.
  • 2015. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part IV - EUS-guided Interventions: General aspects and EUS-guided sampling (Long Version).
  • 2015. EFSUMB Guidelines on Interventional Ultrasound (INVUS), Part II: Diagnostic ultrasound-guided interventional procedures (Long Version). E15-E35.
  • 2014. Elastography and strain rate imaging of the gastrointestinal tract. 438-441.
Article in business/trade/industry journal
  • 2018. EUS elastography: How to do it? Endoscopic Ultrasound. 20-28.
  • 2016. An 87-Year-Old Woman With Recurrent Dysphagia. Gastroenterology. 1085-1086.

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