Publications 2024

Cunha AB, Schuelke C, Mesri A, Ruud SK, Aizenshtadt A, Ferrari G, Heiskanen A, Asif A, Keller SS, Ramos-Moreno T, Kalvøy H, Martínez-Serrano A, Krauss S, Emnéus J, Sampietro M, Martinsen ØG (2024)
Development of a Smart Wireless Multisensor Platform for an Optogenetic Brain Implant
Sensors (Basel), 24 (2)
DOI 10.3390/s24020575, PubMed 38257668

Jerve FW, Hjelme DR, Kalvøy H, Allen J, Tronstad C (2024)
Exploration of the Conditions for Occurrence of Photoplethysmographic Signal Inversion above the Dorsalis Pedis Artery
Sensors (Basel), 24 (20)
DOI 10.3390/s24206505, PubMed 39459987

Publications 2023

Tariverdi A, Cote Allard U, Mathiassen K, Elle OJ, Kalvøy H, Martinsen G, Tørresen J (2023)
Reinforcement Learning-Based Switching Controller for a Milliscale Robot in a Constrained Environment
T-ASE, 99, 1-17
DOI 10.1109/TASE.2023.3259905, PublikaID 441

Tronstad C, Amini M, Olesen E, Qvigstad E, Pabst O, Martinsen T, Abie SM, Martinsen ØG, Hisdal J, Jenssen TG, Kalvøy H (2023)
Diabetic Foot Assessment using Skin Impedance in a Custom Made Sensor-sock
J Electr Bioimpedance, 13 (1), 136-142
DOI 10.2478/joeb-2022-0019, PubMed 36694878

Publications 2021

Wiegerinck AIP, Thomsen A, Hisdal J, Kalvøy H, Tronstad C (2021)
Electrical Impedance Plethysmography Versus Tonometry To Measure the Pulse Wave Velocity in Peripheral Arteries in Young Healthy Volunteers: a Pilot Study
J Electr Bioimpedance, 12 (1), 169-177
DOI 10.2478/joeb-2021-0020, PubMed 35111272

Publications 2020

Amini M, Kalvøy H, Martinsen ØG (2020)
Finite Element Simulation of the Impedance Response of a Vascular Segment as a Function of Changes in Electrode Configuration
J Electr Bioimpedance, 11 (1), 112-131
DOI 10.2478/joeb-2020-0017, PubMed 33584912

Amini M, Niemi E, Hisdal J, Kalvøy H, Tronstad C, Scholz H, Rosales A, Martinsen ØG (2020)
Monitoring the quality of frozen-thawed venous segments using bioimpedance spectroscopy
Physiol Meas, 41 (4), 044008
DOI 10.1088/1361-6579/ab85b7, PubMed 32235072

Publications 2019

Aria S, Elfarri Y, Elvegård M, Gottfridsson A, Grønaas HS, Harang S, Jansen A, Madland TER, Martins IB, Olstad MW, Ryan TL, Shaban AN, Svenningsen ØL, Sørensen AD, Ulvestad EH, Vister OM, Øvergaard MB, Kalvøy H, Pettersen FJ, Odland HH, Joten VM, Martinsen ØG, Tronstad C, Elvebakk O, Martinsen ØG (2019)
Measuring Blood Pulse Wave Velocity with Bioimpedance in Different Age Groups
Sensors (Basel), 19 (4)
DOI 10.3390/s19040850, PubMed 30791368

Bjørhei A, Pedersen FT, Muhammad S, Tronstad C, Kalvøy H, Wojniusz S, Pabst O, Sütterlin S (2019)
An Investigation on Bilateral Asymmetry in Electrodermal Activity
Front Behav Neurosci, 13, 88
DOI 10.3389/fnbeh.2019.00088, PubMed 31133830

Elvebakk O, Tronstad C, Birkeland KI, Jenssen TG, Bjørgaas MR, Frøslie KF, Godang K, Kalvøy H, Martinsen ØG, Gulseth HL (2019)
Author Correction: Evaluation of Hypoglycaemia with Non-Invasive Sensors in People with Type 1 Diabetes and Impaired Awareness of Hypoglycaemia
Sci Rep, 9 (1), 6347
DOI 10.1038/s41598-019-42218-6, PubMed 30988313

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

Martinsen ØG, Kalvøy H, Bari DS, Tronstad C (2019)
A Circuit for Simultaneous Measurements of Skin Electrical Conductance, Susceptance, and Potential
J Electr Bioimpedance, 10 (1), 110-112
DOI 10.2478/joeb-2019-0016, PubMed 33584891

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

Amini M, Hisdal J, Kalvøy H (2018)
Applications of Bioimpedance Measurement Techniques in Tissue Engineering
J Electr Bioimpedance, 9 (1), 142-158
DOI 10.2478/joeb-2018-0019, PubMed 33584930

Anso J, Balmer TW, Jegge Y, Kalvoy H, Bell BJ, Dur C, Calvo EM, Williamson TM, Gerber N, Ferrario D, Forterre F, Buchler P, Stahel A, Caversaccio MD, Weber S, Gavaghan KA (2018)
Electrical Impedance to Assess Facial Nerve Proximity During Robotic Cochlear Implantation
IEEE Trans Biomed Eng, 66 (1), 237-245
DOI 10.1109/TBME.2018.2830303, PubMed 29993441

Bari DS, Aldosky HYY, Tronstad C, Kalvøy H, Martinsen ØG (2018)
Influence of Relative Humidity on Electrodermal Levels and Responses
Skin Pharmacol Physiol, 31 (6), 298-307
DOI 10.1159/000492275, PubMed 30179872

Bari DS, Aldosky HYY, Tronstad C, Kalvøy H, Martinsen ØG (2018)
Electrodermal Activity Responses for Quantitative Assessment of Felt Pain
J Electr Bioimpedance, 9 (1), 52-58
DOI 10.2478/joeb-2018-0010, PubMed 33584921

Elvebakk O, Tronstad C, Birkeland KI, Jenssen TG, Bjørgaas MR, Frøslie KF, Godang K, Kalvøy H, Martinsen ØG, Gulseth HL (2018)
Evaluation of Hypoglycaemia with Non-Invasive Sensors in People with Type 1 Diabetes and Impaired Awareness of Hypoglycaemia
Sci Rep, 8 (1), 14722
DOI 10.1038/s41598-018-33189-1, PubMed 30283093

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

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

Bari DS, Aldosky HYY, Tronstad C, Kalvøy H, Martinsen ØG (2017)
Electrodermal responses to discrete stimuli measured by skin conductance, skin potential, and skin susceptance
Skin Res Technol, 24 (1), 108-116
DOI 10.1111/srt.12397, PubMed 28776764

Kalvoy H, Tronstad C, Ullensvang K, Steinfeldt T, Sauter AR (2017)
Detection of needle to nerve contact based on electric bioimpedance and machine learning methods
Annu Int Conf IEEE Eng Med Biol Soc, 2017, 9-12
DOI 10.1109/EMBC.2017.8036750, PubMed 29059798

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

Tronstad C, Elvebakk O, Kalvoy H, Bjorgaas MR, Martinsen OG (2017)
Detection of sympathoadrenal discharge by parameterisation of skin conductance and ECG measurement
Annu Int Conf IEEE Eng Med Biol Soc, 2017, 3997-4000
DOI 10.1109/EMBC.2017.8037732, PubMed 29060773

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

Kalvoy H, Aliau-Bonet C, Pallas-Areny R, Martinsen OG (2015)
Effects of stray capacitance to ground in three electrode monopolar needle bioimpedance measurements
Annu Int Conf IEEE Eng Med Biol Soc, 2015, 7542-5
DOI 10.1109/EMBC.2015.7320137, PubMed 26738037

Kalvøy H, Sauter AR (2015)
Detection of intraneural needle-placement with multiple frequency bioimpedance monitoring: a novel method
J Clin Monit Comput, 30 (2), 185-92
DOI 10.1007/s10877-015-9698-3, PubMed 25902898

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 2013

Tronstad C, Kalvøy H, Grimnes S, Martinsen Ø (2013)
Improved estimation of sweating based on electrical properties of skin
Ann Biomed Eng, 41 (5), 1074-83
DOI 10.1007/s10439-013-0743-4, PubMed 23325304

Tronstad C, Kalvøy H, Grimnes S, Martinsen ØG (2013)
Waveform difference between skin conductance and skin potential responses in relation to electrical and evaporative properties of skin
Psychophysiology, 50 (11), 1070-8
DOI 10.1111/psyp.12092, PubMed 23889171

Publications 2012

Haugan B, Langerud AK, Kalvøy H, Frøslie KF, Riise E, Kapstad H (2012)
Can we trust the new generation of infrared tympanic thermometers in clinical practice?
J Clin Nurs, 22 (5-6), 698-709
DOI 10.1111/j.1365-2702.2012.04077.x, PubMed 22860884

Publications 2011

Kalvøy H, Johnsen GK, Martinsen OG, Grimnes S (2011)
New method for separation of electrode polarization impedance from measured tissue impedance
Open Biomed Eng J, 5, 8-13
DOI 10.2174/1874120701105010008, PubMed 21625369

Publications 2010

Høyum P, Kalvøy H, Martinsen ØG, Grimnes S (2010)
A finite element model of needle electrode spatial sensitivity
Physiol Meas, 31 (10), 1369-79
DOI 10.1088/0967-3334/31/10/006, PubMed 20736490

Kalvøy H, Tronstad C, Nordbotten B, Grimnes S, Martinsen ØG (2010)
Electrical impedance of stainless steel needle electrodes
Ann Biomed Eng, 38 (7), 2371-82
DOI 10.1007/s10439-010-9989-2, PubMed 20217478

Martinsen OG, Kalvøy H, Grimnes S, Nordbotten B, Hol PK, Fosse E, Myklebust H, Becker LB (2010)
Invasive electrical impedance tomography for blood vessel detection
Open Biomed Eng J, 4, 135-7
DOI 10.2174/1874120701004010135, PubMed 21611140

Publications 2009

Kalvøy H, Frich L, Grimnes S, Martinsen OG, Hol PK, Stubhaug A (2009)
Impedance-based tissue discrimination for needle guidance
Physiol Meas, 30 (2), 129-40
DOI 10.1088/0967-3334/30/2/002, PubMed 19136732

Sauter AR, Dodgson MS, Kalvøy H, Grimnes S, Stubhaug A, Klaastad O (2009)
Current threshold for nerve stimulation depends on electrical impedance of the tissue: a study of ultrasound-guided electrical nerve stimulation of the median nerve
Anesth Analg, 108 (4), 1338-43
DOI 10.1213/ane.0b013e3181957d84, PubMed 19299809

Publications 2008

Kalvoy H, Martinsen OG, Grimnes S (2008)
Determination of tissue type surrounding a needle tip by electrical bioimpedance
Annu Int Conf IEEE Eng Med Biol Soc, 2008, 2285-6
DOI 10.1109/IEMBS.2008.4649653, PubMed 19163156

Publications 2007

Kalvoy H, Grimnes S, Martinsen OG (2007)
Needle position determined by tissue impedance
IFMBE PROC, 17, 205-+

Publications 2003

Kalvøy H (2003)
Utvikling av utstyr og metode for karakterisering av enkeltceller ved måling av kompleks elektrisk impedans
H. Kalvøy, Oslo, 124 s.
BIBSYS 032197306