Publications 2024

Karlsen H, Strand-Amundsen RJ, Skåre C, Eriksen M, Skulberg VM, Sunde K, Tønnessen TI, Olasveengen TM (2024)
Cerebral perfusion and metabolism with mild hypercapnia vs. normocapnia in a porcine post cardiac arrest model with and without targeted temperature management
Resusc Plus, 18, 100604
DOI 10.1016/j.resplu.2024.100604, PubMed 38510376

Publications 2023

Hou J, Strand-Amundsen R, Martinsen ØG (2023)
Detection of physiological concentrations of GABA using dielectric spectroscopy - A pilot study
J Electr Bioimpedance, 14 (1), 47-52
DOI 10.2478/joeb-2023-0006, PubMed 38162815

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, Ness SS, Tschudi J, O'Farrell M, Veddegjerde R, Martinsen ØG, Tønnessen TI, Strand-Amundsen R (2022)
Assessment of Intestinal Ischemia-Reperfusion Injury Using Diffuse Reflectance VIS-NIR Spectroscopy and Histology
Sensors (Basel), 22 (23)
DOI 10.3390/s22239111, PubMed 36501812

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

Rydenfelt K, Strand-Amundsen R, Horneland R, Hødnebø S, Kjøsen G, Pischke SE, Tønnessen TI, Haugaa H (2022)
Microdialysis and CO2 sensors detect pancreatic ischemia in a porcine model
PLoS One, 17 (2), e0262848
DOI 10.1371/journal.pone.0262848, PubMed 35143517

Publications 2021

Hou J, Abie SM, Strand-Amundsen R, Galperin YM, Bergli J, Schuelke C, Hashemizadeh S, Martinsen ØG (2021)
Temperature dependence of the microwave dielectric properties of [Formula: see text]-aminobutyric acid
Sci Rep, 11 (1), 18082
DOI 10.1038/s41598-021-97178-7, PubMed 34508109

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

Skåre C, Karlsen H, Strand-Amundsen RJ, Eriksen M, Skulberg VM, Sunde K, Tønnessen TI, Olasveengen TM (2021)
Cerebral perfusion and metabolism with mean arterial pressure 90 vs. 60 mmHg in a porcine post cardiac arrest model with and without targeted temperature management
Resuscitation, 167, 251-260
DOI 10.1016/j.resuscitation.2021.06.011, PubMed 34166747

Strand-Amundsen R, Tronstad C, Elvebakk O, Martinsen T, Dybwad M, Lingaas E, Tønnessen TI (2021)
Quantification of aerosol dispersal from suspected aerosol-generating procedures
ERJ Open Res, 7 (4)
DOI 10.1183/23120541.00206-2021, PubMed 34877350

Sun X, Zhu S, Dong X, Strand-Amundsen RJ, Tonnessen TI, Yang R (2021)
Ethyl pyruvate supplemented in drinking water ameliorates experimental nonalcoholic steatohepatitis
Biomed Pharmacother, 137, 111392
DOI 10.1016/j.biopha.2021.111392, PubMed 33761609

Publications 2019

Tronstad C, Strand-Amundsen R (2019)
Possibilities in the Application of Machine Learning on Bioimpedance Time-series
J Electr Bioimpedance, 10 (1), 24-33
DOI 10.2478/joeb-2019-0004, PubMed 33584879

Publications 2018

Holhjem L, Strand-Amundsen R, Aasmundtveit KE, Tonnessen TI (2018)
Stability of Laser-Patterned Electrode Compositions
IEEE Trans. Compon. Pack. Manuf. Technol., 8 (9), 1517-1523
DOI 10.1109/TCPMT.2018.2863221

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

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

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 2013

Holhjem L, Strand-Amundsen R, Aasmundtveit KE, Tonnessen TI (2013)
Development of a Conductometric Biocompatible Sensor For Detecting Ischemia
EUR MICROELECTRON PA