Works by Tronstad, Christian

Results: 33

Diabetic foot assessment using skin impedance in a custom made sensor-sock.

Published in:

Journal of Electrical Bioimpedance, 2022, v. 13, n. 1, p. 136, doi. 10.2478/joeb-2022-0019

By:

Tronstad, Christian;
Amini, Maryam;
Olesen, Eline;
Qvigstad, Elisabeth;
Pabst, Oliver;
Martinsen, Tormod;
Abie, Sisay M.;
Martinsen, Ørjan G.;
Hisdal, Jonny;
Jenssen, Trond G.;
Kalvøy, Håvard

Publication type:

Article

Classification of emotions based on electrodermal activity and transfer learning - a pilot study.

Published in:

Journal of Electrical Bioimpedance, 2021, v. 12, n. 1, p. 178, doi. 10.2478/joeb-2021-0021

By:

Jacobsen, Fredrik A.;
Hafi, Ellen W.;
Tronstad, Christian;
Martinsen, Ørjan G.

Publication type:

Article

Estimation of heart rate variability from finger photoplethysmography during rest, mild exercise and mild mental stress.

Published in:

Journal of Electrical Bioimpedance, 2021, v. 12, n. 1, p. 89, doi. 10.2478/joeb-2021-0012

By:

Singstad, Bjørn-Jostein;
Azulay, Naomi;
Bjurstedt, Andreas;
Bjørndal, Simen S.;
Drageseth, Magnus F.;
Engeset, Peter;
Eriksen, Kari;
Gidey, Muluberhan Y.;
Granum, Espen O.;
Greaker, Matias G.;
Grorud, Amund;
Hewes, Sebastian O.;
Hou, Jie;
Llop Recha, Adrián M.;
Matre, Christoffer;
Seputis, Arnoldas;
Sørensen, Simen E.;
Thøgersen, Vegard;
Joten, Vegard Munkeby;
Tronstad, Christian

Publication type:

Article

Age-related differences in the morphology of the impedance cardiography signal.

Published in:

Journal of Electrical Bioimpedance, 2019, v. 10, n. 1, p. 139, doi. 10.2478/joeb-2019-0020

By:

Tronstad, Christian;
Høgetveit, Jan Olav;
Elvebakk, Ole;
Kalvøy, Håvard

Publication type:

Article

A circuit for simultaneous measurements of skin electrical conductance, susceptance, and potential.

Published in:

Journal of Electrical Bioimpedance, 2019, v. 10, n. 1, p. 110, doi. 10.2478/joeb-2019-0016

By:

Martinsen, Ørjan G.;
Kalvøy, Håvard;
Bari, Dindar S.;
Tronstad, Christian

Publication type:

Article

Electrodermal activity responses for quantitative assessment of felt pain.

Published in:

Journal of Electrical Bioimpedance, 2018, v. 9, n. 1, p. 52, doi. 10.2478/joeb-2018-0010

By:

Bari, Dindar S.;
Yacoob Aldosky, Haval Y.;
Tronstad, Christian;
Kalvøy, Håvard;
Martinsen, Ørjan G.

Publication type:

Article

arterioscope.sim: Enabling Simulations of Blood Flow and Its Impact on Bioimpedance Signals.

Published in:

Bioengineering (Basel), 2024, v. 11, n. 12, p. 1273, doi. 10.3390/bioengineering11121273

By:

Krispel, Thomas;
Badeli, Vahid;
Jafarinia, Alireza;
Reinbacher-Köstinger, Alice;
Tronstad, Christian;
Ranftl, Sascha;
Martinsen, Ørjan Grottem;
Kalvoy, Håvard;
Hisdal, Jonny;
Kaltenbacher, Manfred;
Hochrainer, Thomas

Publication type:

Article

Evaluation of Hypoglycaemia with Non-Invasive Sensors in People with Type 1 Diabetes and Impaired Awareness of Hypoglycaemia.

Published in:

Scientific Reports, 2018, v. 8, n. 1, p. 1, doi. 10.1038/s41598-018-33189-1

By:

Elvebakk, Ole;
Tronstad, Christian;
Birkeland, Kåre I.;
Jenssen, Trond G.;
Bjørgaas, Marit R.;
Frøslie, Kathrine F.;
Godang, Kristin;
Kalvøy, Håvard;
Martinsen, Ørjan G.;
Gulseth, Hanne L.

Publication type:

Article

Small intestinal viability assessment using dielectric relaxation spectroscopy and deep learning.

Published in:

Scientific Reports, 2022, v. 12, n. 1, p. 1, doi. 10.1038/s41598-022-07140-4

By:

Hou, Jie;
Strand-Amundsen, Runar;
Tronstad, Christian;
Tønnessen, Tor Inge;
Høgetveit, Jan Olav;
Martinsen, Ørjan Grøttem

Publication type:

Article

Improved Estimation of Sweating Based on Electrical Properties of Skin.

Published in:

Annals of Biomedical Engineering, 2013, v. 41, n. 5, p. 1074, doi. 10.1007/s10439-013-0743-4

By:

Tronstad, Christian;
Kalvøy, Håvard;
Grimnes, Sverre;
Martinsen, Ørjan

Publication type:

Article

Electrical Impedance of Stainless Steel Needle Electrodes.

Published in:

Annals of Biomedical Engineering, 2010, v. 38, n. 7, p. 2371, doi. 10.1007/s10439-010-9989-2

By:

KALVØY, HÅVARD;
TRONSTAD, CHRISTIAN;
NORDBOTTEN, BERNT;
GRIMNES, SVERRE;
MARTINSEN, ØRJAN G.

Publication type:

Article

Maternal haemodynamics during labour epidural analgesia with and without adrenaline.

Published in:

Scandinavian Journal of Pain, 2021, v. 21, n. 4, p. 680, doi. 10.1515/sjpain-2020-0176

By:

Haidl, Felix;
Tronstad, Christian;
Rosseland, Leiv Arne;
Dahl, Vegard

Publication type:

Article

An Investigation on Bilateral Asymmetry in Electrodermal Activity.

Published in:

Frontiers in Behavioral Neuroscience, 2019, p. N.PAG, doi. 10.3389/fnbeh.2019.00088

By:

Bjørhei, Andreas;
Pedersen, Filip T.;
Muhammad, Saeed;
Tronstad, Christian;
Kalvøy, Håvard;
Wojniusz, Slawomir;
Pabst, Oliver;
Sütterlin, Stefan

Publication type:

Article

Heart rate monitoring to detect acute pain in non-verbal patients: a study protocol for a randomized controlled clinical trial.

Published in:

BMC Psychiatry, 2023, v. 23, n. 1, p. 1, doi. 10.1186/s12888-023-04757-1

By:

Kildal, Emilie S. M.;
Quintana, Daniel S.;
Szabo, Attila;
Tronstad, Christian;
Andreassen, Ole;
Nærland, Terje;
Hassel, Bjørnar

Publication type:

Article

The correlations among the skin conductance features responding to physiological stress stimuli.

Published in:

Skin Research & Technology, 2021, v. 27, n. 4, p. 582, doi. 10.1111/srt.12989

By:

Bari, Dindar S.;
Aldosky, Haval Y. Yacoob;
Tronstad, Christian;
Martinsen, Ørjan G.

Publication type:

Article

Electrodermal activity by DC potential and AC conductance measured simultaneously at the same skin site.

Published in:

Skin Research & Technology, 2011, v. 17, n. 1, p. 26, doi. 10.1111/j.1600-0846.2010.00459.x

By:

Grimnes, Sverre;
Jabbari, Azar;
Martinsen, Ørjan G.;
Tronstad, Christian

Publication type:

Article

Supervised binary classification methods for strawberry ripeness discrimination from bioimpedance data.

Published in:

Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-90471-5

By:

Ibba, Pietro;
Tronstad, Christian;
Moscetti, Roberto;
Mimmo, Tanja;
Cantarella, Giuseppe;
Petti, Luisa;
Martinsen, Ørjan G.;
Cesco, Stefano;
Lugli, Paolo

Publication type:

Article

Exploration of the Conditions for Occurrence of Photoplethysmographic Signal Inversion above the Dorsalis Pedis Artery.

Published in:

Sensors (14248220), 2024, v. 24, n. 20, p. 6505, doi. 10.3390/s24206505

By:

Jerve, Fredrik Wilsbeck;
Hjelme, Dag Roar;
Kalvøy, Håvard;
Allen, John;
Tronstad, Christian

Publication type:

Article

Disturbances in Electrodermal Activity Recordings Due to Different Noises in the Environment.

Published in:

Sensors (14248220), 2024, v. 24, n. 16, p. 5434, doi. 10.3390/s24165434

By:

Bari, Dindar S.;
Aldosky, Haval Y. Y.;
Tronstad, Christian;
Martinsen, Ørjan G.

Publication type:

Article

Automatic Prediction of Ischemia-Reperfusion Injury of Small Intestine Using Convolutional Neural Networks: A Pilot Study.

Published in:

Sensors (14248220), 2021, v. 21, n. 19, p. 6691, doi. 10.3390/s21196691

By:

Hou, Jie;
Strand-Amundsen, Runar;
Tronstad, Christian;
Høgetveit, Jan Olav;
Martinsen, Ørjan Grøttem;
Tønnessen, Tor Inge

Publication type:

Article

Electrical bioimpedance in the era of artificial intelligence.

Published in:

Journal of Electrical Bioimpedance, 2024, v. 15, n. 1, p. 1, doi. 10.2478/joeb-2024-0001

By:

Hou, Jie;
Nesaragi, Naimahmed;
Tronstad, Christian

Publication type:

Article

Possibilities in the application of machine learning on bioimpedance time-series.

Published in:

Journal of Electrical Bioimpedance, 2019, v. 10, n. 1, p. 24, doi. 10.2478/joeb-2019-0004

By:

Tronstad, Christian;
Strand-Amundsen, Runar

Publication type:

Article

Sources of error in AC measurement of skin conductance.

Published in:

Journal of Electrical Bioimpedance, 2015, v. 6, n. 1, p. 49, doi. 10.5617/jeb.2640

By:

Martinsen, Ørjan G.;
Pabst, Oliver;
Tronstad, Christian;
Grimnes, Sverre

Publication type:

Article

Skin impedance in a sensor-sock for diabetic foot assessment.

Published in:

International Journal of Bioelectromagnetism, 2022, v. 24, p. 182

By:

Tronstad, Christian;
Amini, Maryam;
Olesen, Eline;
Pabst, Oliver;
Martinsen, Tormod;
Abie, Sisay M.;
Martinsen, Ørjan G.;
Kalvøy, Håvard;
Hisdal, Jonny;
Jenssen, Trond G.;
Qvigstad, Elisabeth

Publication type:

Article

Influence of Relative Humidity on Electrodermal Levels and Responses.

Published in:

Skin Pharmacology & Physiology, 2018, v. 31, n. 6, p. 298, doi. 10.1159/000492275

By:

Bari, Dindar S.;
Aldosky, Haval Y. Yacoob;
Tronstad, Christian;
Kalvøy, Håvard;
Martinsen, Ørjan G.

Publication type:

Article

Author Correction: Evaluation of Hypoglycaemia with Non-Invasive Sensors in People with Type 1 Diabetes and Impaired Awareness of Hypoglycaemia.

Published in:

2019

By:

Elvebakk, Ole;
Tronstad, Christian;
Birkeland, Kåre I.;
Jenssen, Trond G.;
Bjørgaas, Marit R.;
Frøslie, Kathrine F.;
Godang, Kristin;
Kalvøy, Håvard;
Martinsen, Ørjan G.;
Gulseth, Hanne L.

Publication type:

Correction Notice

Comparison between the AC and DC measurement of electrodermal activity.

Published in:

Psychophysiology, 2017, v. 54, n. 3, p. 374, doi. 10.1111/psyp.12803

By:

Pabst, Oliver;
Tronstad, Christian;
Grimnes, Sverre;
Fowles, Don;
Martinsen, Ørjan G.

Publication type:

Article

Waveform difference between skin conductance and skin potential responses in relation to electrical and evaporative properties of skin.

Published in:

Psychophysiology, 2013, v. 50, n. 11, p. 1070, doi. 10.1111/psyp.12092

By:

Tronstad, Christian;
Kalvøy, Håvard;
Grimnes, Sverre;
Martinsen, Ørjan G.

Publication type:

Article

Reduced heart rate variability is related to the number of metabolic syndrome components and manifest diabetes in the sixth Tromsø study 2007–2008.

Published in:

Scientific Reports, 2022, v. 12, n. 1, p. 1, doi. 10.1038/s41598-022-15824-0

By:

Azulay, Naomi;
Olsen, Roy Bjørkholt;
Nielsen, Christopher Sivert;
Stubhaug, Audun;
Jenssen, Trond Geir;
Schirmer, Henrik;
Frigessi, Arnoldo;
Rosseland, Leiv Arne;
Tronstad, Christian

Publication type:

Article

Tumescent Suction Curettage vs. Curettage Only for Treatment of Axillary Hyperhidrosis Evaluated by Subjective and New Objective Methods.

Published in:

Acta Dermato-Venereologica, 2014, v. 94, n. 2, p. 215, doi. 10.2340/00015555-1671

By:

TRONSTAD, Christian;
HELSING, Per;
TØNSETH, Kim Alexander;
GRIMNES, Sverre;
KROGSTAD, Anne Lene

Publication type:

Article

Tumescent Suction Curettage vs. Curettage Only for Treatment of Axillary Hyperhidrosis Evaluated by Subjective and New Objective Methods.

Published in:

Acta Dermato-Venereologica, 2014, v. 94, n. 2, p. 215, doi. 10.2340/00015555-1671

By:

TRONSTAD, Christian;
HELSING, Per;
TØNSETH, Kim Alexander;
GRIMNES, Sverre;
KROGSTAD, Anne Lene

Publication type:

Article

Accuracy and trending abilities of finger plethysmographic blood pressure and cardiac output compared to invasive measurements during caesarean delivery in healthy women: an observational study.

Published in:

BMC Anesthesiology, 2020, v. 20, n. 1, p. 1, doi. 10.1186/s12871-020-01078-8

By:

Omenås, Ivar N.;
Tronstad, Christian;
Rosseland, Leiv Arne

Publication type:

Article

Electrodermal Activity for Quantitative Assessment of Dental Anxiety.

Published in:

Journal of Sensor & Actuator Networks, 2024, v. 13, n. 6, p. 88, doi. 10.3390/jsan13060088

By:

Bari, Dindar S.;
Rammoo, Mohammed Noor S.;
Youssif, Ardawan A.;
Najman, Hoger M.;
Aldosky, Haval Y. Yacoob;
Tronstad, Christian;
Hou, Jie;
Martinsen, Ørjan G.

Publication type:

Article