Publications 2022

Hou J, Liavåg OMI, Færden IH, Martinsen ØG, Tønnessen TI, Line PD, Hagness M, Høgetveit JO, Pischke SE, Strand-Amundsen R (2022)
Utilization of dielectric properties for assessment of liver ischemia-reperfusion injury in vivo and during machine perfusion
Sci Rep, 12 (1), 11183
DOI 10.1038/s41598-022-14817-3, PubMed 35778457

Hou J, Strand-Amundsen R, Tronstad C, Tønnessen TI, Høgetveit JO, Martinsen ØG (2022)
Small intestinal viability assessment using dielectric relaxation spectroscopy and deep learning
Sci Rep, 12 (1), 3279
DOI 10.1038/s41598-022-07140-4, PubMed 35228559

Publications 2021

Hou J, Strand-Amundsen R, Hødnebø S, Tønnessen TI, Høgetveit JO (2021)
Assessing Ischemic Injury in Human Intestine Ex Vivo with Electrical Impedance Spectroscopy
J Electr Bioimpedance, 12 (1), 82-88
DOI 10.2478/joeb-2021-0011, PubMed 34966469

Hou J, Strand-Amundsen R, Tronstad C, Høgetveit JO, Martinsen ØG, Tønnessen TI (2021)
Automatic Prediction of Ischemia-Reperfusion Injury of Small Intestine Using Convolutional Neural Networks: A Pilot Study
Sensors (Basel), 21 (19)
DOI 10.3390/s21196691, PubMed 34641009

Publications 2019

Elvebakk O, Tronstad C, Birkeland KI, Jenssen TG, Bjørgaas MR, Gulseth HL, Kalvøy H, Høgetveit JO, Martinsen ØG (2019)
A multiparameter model for non-invasive detection of hypoglycemia
Physiol Meas, 40 (8), 085004
DOI 10.1088/1361-6579/ab3676, PubMed 31357185

Martinsen T, Pettersen FJ, Kalvøy H, Tronstad C, Kvarstein G, Bakken A, Høgetveit JO, Martinsen ØG, Grimnes S, Frich L (2019)
Electrosurgery and Temperature Increase in Tissue With a Passive Metal Implant
Front Surg, 6, 8
DOI 10.3389/fsurg.2019.00008, PubMed 30915337

Tronstad C, Høgetveit JO, Elvebakk O, Kalvøy H (2019)
Age-related Differences in the Morphology of the Impedance Cardiography Signal
J Electr Bioimpedance, 10 (1), 139-145
DOI 10.2478/joeb-2019-0020, PubMed 33584895

Publications 2018

Strand-Amundsen RJ, Reims HM, Reinholt FP, Ruud TE, Yang R, Høgetveit JO, Tønnessen TI (2018)
Ischemia/reperfusion injury in porcine intestine - Viability assessment
World J Gastroenterol, 24 (18), 2009-2023
DOI 10.3748/wjg.v24.i18.2009, PubMed 29760544

Strand-Amundsen RJ, Tronstad C, Kalvøy H, Ruud TE, Høgetveit JO, Martinsen ØG, Tønnessen TI (2018)
Small intestinal ischemia and reperfusion-bioimpedance measurements
Physiol Meas, 39 (2), 025001
DOI 10.1088/1361-6579/aaa576, PubMed 29303488

Strand-Amundsen RJ, Tronstad C, Reims HM, Reinholt FP, Høgetveit JO, Tønnessen TI (2018)
Machine learning for intraoperative prediction of viability in ischemic small intestine
Physiol Meas, 39 (10), 105011
DOI 10.1088/1361-6579/aae0ea, PubMed 30207981

Tronstad C, Elvebakk O, Staal OM, Kalvøy H, Høgetveit JO, Jenssen TG, Birkeland KI, Martinsen ØG (2018)
Non-invasive prediction of blood glucose trends during hypoglycemia
Anal Chim Acta, 1052, 37-48
DOI 10.1016/j.aca.2018.12.009, PubMed 30685040

Publications 2017

Strand-Amundsen RJ, Reims HM, Tronstad C, Kalvøy H, Martinsen ØG, Høgetveit JO, Ruud TE, Tønnessen TI (2017)
Ischemic small intestine-in vivo versus ex vivo bioimpedance measurements
Physiol Meas, 38 (5), 715-728
DOI 10.1088/1361-6579/aa67b7, PubMed 28319030

Publications 2016

Pettersen FJ, Martinsen OG, Hogetveit JO, Kalvoy H, Odland HH (2016)
Bioimpedance measurements of temporal changes in beating hearts
Biomed. Phys. Eng. Express, 2 (6), 065015
DOI 10.1088/2057-1976/2/6/065015

Strand-Amundsen RJ, Tronstad C, Kalvøy H, Gundersen Y, Krohn CD, Aasen AO, Holhjem L, Reims HM, Martinsen ØG, Høgetveit JO, Ruud TE, Tønnessen TI (2016)
In vivo characterization of ischemic small intestine using bioimpedance measurements
Physiol Meas, 37 (2), 257-75
DOI 10.1088/0967-3334/37/2/257, PubMed 26805916

Publications 2015

Pettersen FJ, Høgetveit JO (2015)
Optically isolated current source
Journal of Electrical Bioimpedance, 6 (2015), 18-21
DOI 10.5617/jeb.2571, PublikaID 223

Pettersen FJ, Martinsen T, Hogetveit JO, Martinsen OG (2015)
Unintentional heating at implants when using electrosurgery
Annu Int Conf IEEE Eng Med Biol Soc, 2015, 5805-8
DOI 10.1109/EMBC.2015.7319711, PubMed 26737611

Publications 2014

Pettersen FJ, Ferdous H, Kalvøy H, Martinsen ØG, Høgetveit JO (2014)
Comparison of four different FIM configurations--a simulation study
Physiol Meas, 35 (6), 1067-82
DOI 10.1088/0967-3334/35/6/1067, PubMed 24844930

Publications 2011

Høgetveit JO, Saatvedt K, Norum H, Kristiansen F, Elvebakk O, Dahle G, Geiran OR (2011)
Central venous catheters may be a potential source of massive air emboli during vascular procedures involving extracorporeal circulation: an experimental study
Perfusion, 26 (4), 341-6
DOI 10.1177/0267659111403644, PubMed 21558301

Pettersen FJ, Høgetveit JO (2011)
From 3D tissue data to impedance using Simpleware ScanFE+IP and COMSOL Multiphysics – a tutorial
JEB, 2, 13-32
DOI 10.5617/jeb.173, PublikaID 126

Publications 2010

Pettersen FJ, Martinsen G, Grimnes S, Høgetveit JO (2010)
Impedance measurement set-up based on off-the-shelf PXI modules.
Journal of Physics: Conference Series, 224 (1), 012002
DOI 10.1088/1742-6596/224/1/012002, PublikaID 127

Publications 2009

Høgetveit JO, Kristiansen F, Røislien J (2009)
A novel method for indirectly monitoring arterial pO(2) during cardiopulmonary bypass
J Med Eng Technol, 33 (7), 567-74
DOI 10.1080/03091900903071897, PubMed 19591049

Publications 2008

Høgetveit JO (2008)
Information technology applications for medical devices related to surgical operations
In Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo, The Faculty, Oslo, nr. 765, 1 b. (flere pag.)
BIBSYS 081038178

Publications 2007

Imenes K, Aasmundtveit K, Husa EM, Høgetveit JO, Halvorsen S, Elle OJ, Mirtaheri P, Fosse E, Hoff L (2007)
Assembly and packaging of a three-axis micro accelerometer used for detection of heart infarction
Biomed Microdevices, 9 (6), 951-7
DOI 10.1007/s10544-007-9082-2, PubMed 17492383

Publications 2006

Høgetveit JO, Kristiansen F, Pedersen TH (2006)
Development of an instrument to indirectly monitor arterial pCO2 during cardiopulmonary bypass
Perfusion, 21 (1), 13-9
DOI 10.1191/0267659106pf841oa, PubMed 16485694

Kristiansen F, Høgetveit JO, Pedersen TH (2006)
Clinical evaluation of an instrument to measure carbon dioxide tension at the oxygenator gas outlet in cardiopulmonary bypass
Perfusion, 21 (1), 21-6
DOI 10.1191/0267659106pf842oa, PubMed 16485695

Øyri K, Balasingham I, Høgetveit JO (2006)
Implementation of wireless technology in advanced clinical practice
Stud Health Technol Inform, 122, 730-3
PubMed 17102360

Øyri K, Balasingham I, Samset E, Høgetveit JO, Fosse E (2006)
Wireless continuous arterial blood pressure monitoring during surgery: a pilot study
Anesth Analg, 102 (2), 478-83
DOI 10.1213/01.ane.0000195232.11264.46, PubMed 16428546

Publications 2005

Samset E, Høgetveit JO, Cate GT, Hirschberg H (2005)
Integrated neuronavigation system with intraoperative image updating
Minim Invasive Neurosurg, 48 (2), 73-6
DOI 10.1055/s-2004-830224, PubMed 15906200

Publications 1997

Høgetveit JO (1997)
En datapresentasjonsform spesialtilpasset intensivmedisinen
J.O. Høgetveit, Oslo, 132 s.
BIBSYS 970361343