Christian Tronstad

 

Author network for Christian Tronstad by COREMINE medical


Publications 2018

Bari DS, Aldosky HYY, Tronstad C, Kalvøy H, Martinsen G (2018)
Electrodermal activity responses for quantitative assessment of felt pain
Journal of Electrical Bioimpedance, 9 (1), 52–58
DOI 10.2478/joeb-2018-0010, PublikaID 311

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

Bruehl S, Olsen RB, Tronstad C, Sevre K, Burns JW, Schirmer H, Nielsen CS, Stubhaug A, Rosseland LA (2018)
Chronic pain-related changes in cardiovascular regulation and impact on comorbid hypertension in a general population: the Tromsø study
Pain, 159 (1), 119-127
DOI 10.1097/j.pain.0000000000001070, PubMed 28953193

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

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

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
Conf Proc IEEE Eng Med Biol Soc, 2017, 9-12
DOI 10.1109/EMBC.2017.8036750, PubMed 29059798

Pabst O, Tronstad C, Martinsen OG (2017)
Instrumentation, electrode choice and challenges in human skin memristor measurement
Conf Proc IEEE Eng Med Biol Soc, 2017, 1844-1848
DOI 10.1109/EMBC.2017.8037205, PubMed 29060249

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
Conf Proc IEEE Eng Med Biol Soc, 2017, 3997-4000
DOI 10.1109/EMBC.2017.8037732, PubMed 29060773

Publications 2016

Nygaard K, Thiara AS, Tronstad C, Ringdal MA, Fiane AE (2016)
VAVD vacuum may cause bubble transgression in membrane oxygenators
Perfusion, 31 (8), 648-652
DOI 10.1177/0267659116651345, PubMed 27226328

Pabst O, Tronstad C, Grimnes S, Fowles D, Martinsen ØG (2016)
Comparison between the AC and DC measurement of electrodermal activity
Psychophysiology, 54 (3), 374-385
DOI 10.1111/psyp.12803, PubMed 28000290

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

Martinsen G, Pabst O, Tronstad C, Grimnes S (2015)
Sources of error in AC measurement of skin conductance
Journal of Electrical Bioimpedance, 6 (2015), 49-53
DOI 10.5617/jeb.2640, PublikaID 230

Tronstad C, Omenås IN, Rosseland LA (2015)
An improved artifact removal algorithm for continuous cardiac output and blood pressure recordings
Conf Proc IEEE Eng Med Biol Soc, 2015, 5968-72
DOI 10.1109/EMBC.2015.7319751, PubMed 26737651

Tronstad C, Staal OM, Saelid S, Martinsen OG (2015)
Model- based filtering for artifact and noise suppression with state estimation for electrodermal activity measurements in real time
Conf Proc IEEE Eng Med Biol Soc, 2015, 2750-3
DOI 10.1109/EMBC.2015.7318961, PubMed 26736861

Publications 2014

Nordbotten BJ, Tronstad C, Martinsen ØG, Grimnes S (2014)
Estimation of skin conductance at low frequencies using measurements at higher frequencies for EDA applications
Physiol Meas, 35 (6), 1011-8
DOI 10.1088/0967-3334/35/6/1011, PubMed 24844405

Pischke SE, Hyler S, Tronstad C, Bergsland J, Fosse E, Halvorsen PS, Skulstad H, Tønnessen TI (2014)
Myocardial tissue CO2 tension detects coronary blood flow reduction after coronary artery bypass in real-time†
Br J Anaesth, 114 (3), 414-22
DOI 10.1093/bja/aeu381, PubMed 25392231

Tronstad C, Helsing P, Tønseth KA, Grimnes S, Krogstad AL (2014)
Tumescent suction curettage vs. curettage only for treatment of axillary hyperhidrosis evaluated by subjective and new objective methods
Acta Derm Venereol, 94 (2), 215-20
DOI 10.2340/00015555-1671, PubMed 24002584

Tronstad C, Pripp AH (2014)
Statistical methods for bioimpedance analysis
J Electr Bioimp, 5, 14–27
DOI 10.5617/jeb.830, PublikaID 218

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

Pischke SE, Tronstad C, Holhjem L, Halvorsen PS, Tønnessen TI (2012)
Perioperative detection of myocardial ischaemia/reperfusion with a novel tissue CO2 monitoring technology
Eur J Cardiothorac Surg, 42 (1), 157-63
DOI 10.1093/ejcts/ezr278, PubMed 22290904

Pischke SE, Tronstad C, Holhjem L, Line PD, Haugaa H, Tønnessen TI (2012)
Hepatic and abdominal carbon dioxide measurements detect and distinguish hepatic artery occlusion and portal vein occlusion in pigs
Liver Transpl, 18 (12), 1485-94
DOI 10.1002/lt.23544, PubMed 22961940

Publications 2011

Grimnes S, Jabbari A, Martinsen ØG, Tronstad C (2011)
Electrodermal activity by DC potential and AC conductance measured simultaneously at the same skin site
Skin Res Technol, 17 (1), 26-34
DOI 10.1111/j.1600-0846.2010.00459.x, PubMed 20923453

Nordbotten BJ, Tronstad C, Martinsen Ø, Grimnes S (2011)
Evaluation of algorithms for calculating bioimpedance phase angle values from measured whole-body impedance modulus
Physiol Meas, 32 (7), 755-65
DOI 10.1088/0967-3334/32/7/S03, PubMed 21646707

Publications 2010

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

Tronstad C, Johnsen GK, Grimnes S, Martinsen ØG (2010)
A study on electrode gels for skin conductance measurements
Physiol Meas, 31 (10), 1395-410
DOI 10.1088/0967-3334/31/10/008, PubMed 20811086

Tronstad C, Pischke SE, Holhjem L, Tønnessen TI, Martinsen OG, Grimnes S (2010)
Early detection of cardiac ischemia using a conductometric pCO(2) sensor: real-time drift correction and parameterization
Physiol Meas, 31 (9), 1241-55
DOI 10.1088/0967-3334/31/9/013, PubMed 20702916

Publications 2009

Grimnes S, Martinsen OG, Tronstad C (2009)
Noise properties of the 3-electrode skin admittance measuring circuit
IFMBE PROC, 22 (1-3), 720-722

Publications 2008

Martinsen ØG, Grimnes S, Nilsen JK, Tronstad C, Jang W, Kim H, Shin K, Naderi M, Thielmann F (2008)
Gravimetric method for in vitro calibration of skin hydration measurements
IEEE Trans Biomed Eng, 55 (2 Pt 1), 728-32
DOI 10.1109/TBME.2007.912651, PubMed 18270010

Tronstad C, Gjein GE, Grimnes S, Martinsen ØG, Krogstad AL, Fosse E (2008)
Electrical measurement of sweat activity
Physiol Meas, 29 (6), S407-15
DOI 10.1088/0967-3334/29/6/S34, PubMed 18544832

Tronstad C, Martinsen OG, Grimnes S (2008)
Embedded instrumentation for skin admittance measurement
Conf Proc IEEE Eng Med Biol Soc, 2008, 2373-6
DOI 10.1109/IEMBS.2008.4649676, PubMed 19163179

Publications 2007

Martinsen OG, Grimnes S, Nilsen JK, Tronstad C, Jang W, Kim H, Shin K (2007)
Calibration of skin hydration measurements
IFMBE PROC, 17, 161-+

Tronstad C, Grimnes S, Martinsen OG, Fosse E (2007)
Developmeut of a medical device for long-term sweat activity measurements
IFMBE PROC, 17, 236-+

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