Bilde av Tveita, Torkjel
Bilde av Tveita, Torkjel
Institutt for klinisk medisin torkjel.tveita@uit.no

Torkjel Tveita


Professor /overlege, intensivmedisin

Stillingsbeskrivelse

Forskningsgruppeleder akuttmedisinsk-anestesiologisk forskningsgruppe.


  • Lars J. Bjertnaes, Torvind Næsheim, Eirik Reierth, Evgeny Suborov, Mikhail Kirov, Konstantin M. Lebedinskii m.fl.:
    Physiological Changes in Subjects Exposed to Accidental Hypothermia: An Update
    Frontiers in medicine 2022 ARKIV / DOI
  • Sergei Valkov, Jan Harald Nilsen, Rizwan Mohyuddin, Torstein Lindahl Schanche, Timofey Kondratyev, Gary C. Sieck m.fl.:
    Autoregulation of Cerebral Blood Flow During 3-h Continuous Cardiopulmonary Resuscitation at 27°C
    Frontiers in Physiology 2022 ARKIV / DOI
  • Ole Magnus Filseth, Timofey Kondratyev, Gary C. Sieck, Torkjel Tveita :
    Functional recovery after accidental deep hypothermic cardiac arrest: Comparison of different cardiopulmonary bypass rewarming strategies
    Frontiers in Physiology 2022 ARKIV / DOI
  • Torstein Lindahl Schanche, Ole Magnus Filseth, Bjarne Østerud, Timofey Kondratyev, Gary C. Sieck, Torkjel Tveita :
    Enhanced Blood Clotting After Rewarming From Experimental Hypothermia in an Intact Porcine Model
    Frontiers in Physiology 2022 ARKIV / DOI
  • Ole Magnus Filseth, Stig Eggen Hermansen, Timofey Kondratyev, Gary C. Sieck, Torkjel Tveita :
    Cooling to hypothermic circulatory arrest by immersion vs. cardiopulmonary bypass (CPB): Worse outcome after rewarming in immersion cooled pigs
    Frontiers in Physiology 31. mars 2022 ARKIV / DOI
  • Adrina Kalasho, Anders Lund Selli, Natalia Smaglyukova, Timofey Kondratyev, Ole Martin Fuskevåg, Roy Andre Lyså m.fl.:
    Treatment of Cardiovascular Dysfunction with PDE3-Inhibitors in Moderate and Severe Hypothermia—Effects on Cellular Elimination of Cyclic Adenosine Monophosphate and Cyclic Guanosine Monophosphate
    Frontiers in Physiology 2022 ARKIV / DOI
  • Torkjel Tveita, Gary C. Sieck :
    Physiological Impact of Hypothermia: The Good, the Bad, and the Ugly
    Physiology 2022 ARKIV / DOI
  • Anders Lund Selli, Adrina Kalasho Kuzmiszyn, Natalia Smaglyukova, Timofey Kondratyev, Ole Martin Fuskevåg, Roy Andre Lyså m.fl.:
    Treatment of cardiovascular dysfunction with PDE5-inhibitors - temperature dependent effects on transport and metabolism of cAMP and cGMP
    Frontiers in Physiology 2021 ARKIV / DOI
  • Rizwan Mohyuddin, Erik Sveberg Dietrichs, Predip Sundaram, Timofey Kondratyev, Marie Figenschou, Gary C. Sieck m.fl.:
    Cardiovascular Effects of Epinephrine During Experimental Hypothermia (32°C) With Spontaneous Circulation in an Intact Porcine Model
    Frontiers in Physiology 2021 ARKIV / DOI
  • Joar O. Nivfors, Rizwan Mohyuddin, Torstein Schanche, Jan Harald Nilsen, Sergey Valkov, Timofey Kondratyev m.fl.:
    Rewarming With Closed Thoracic Lavage Following 3-h CPR at 27°C Failed to Reestablish a Perfusing Rhythm
    Frontiers in Physiology 2021 ARKIV / DOI
  • Jan Harald Nilsen, Torstein Lindahl Schanche, Sergey Valkov, Rizwan Mohyuddin, Brage Håheim, Timofey Kondratyev m.fl.:
    Effects of rewarming with extracorporeal membrane oxygenation to restore oxygen transport and organ blood flow after hypothermic cardiac arrest in a porcine model
    Scientific Reports 23. september 2021 ARKIV / DOI
  • Svein E. Gaustad, Timofey Kondratyev, Ingrid Eftedal, Torkjel Tveita :
    Effects of Cold Decompression on Hemodynamic Function and Decompression Sickness Risk in a Dry Diving Rat Model
    Frontiers in Physiology 2021 ARKIV / DOI
  • Erik Sveberg Dietrichs, Anders Lund Selli, Timofey Kondratyev, Karen McGlynn, Godfrey L Smith, Torkjel Tveita :
    Resistance to ventricular fibrillation predicted by the QRS/QTc - ratio in an intact rat model of hypothermia/rewarming
    Cryobiology 2021 ARKIV / DOI
  • Lars J. Bjertnaes, Kristian Hindberg, Torvind Næsheim, Evgeny V. Suborov, Eirik Reierth, Mikhail Y. Kirov m.fl.:
    Rewarming From Hypothermic Cardiac Arrest Applying Extracorporeal Life Support: A Systematic Review and Meta-Analysis
    Frontiers in medicine 2021 ARKIV / DOI
  • Jan Harald Nilsen, Torstein Schanche, Timofey Kondratyev, Olav Hevrøy, Gary C. Sieck, Torkjel Tveita :
    Maintaining intravenous volume mitigates hypothermia-induced myocardial dysfunction and accumulation of intracellular Ca2+
    Experimental Physiology 2021 ARKIV / DOI
  • Brage Håheim, Timofey Kondratyev, Erik Sveberg Dietrichs, Torkjel Tveita :
    Comparison between two pharmacologic strategies to alleviate rewarming shock: vasodilation vs. inodilation
    Frontiers in medicine 2020 ARKIV / DOI
  • Erik Sveberg Dietrichs, Torkjel Tveita, Rachel Myles, Godfrey L Smith :
    A novel ECG-biomarker for cardiac arrest during hypothermia
    Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2020 ARKIV / DOI
  • Jan Harald Nilsen, Sergey Valkov, Rizwan Mohyuddin, Torstein Lindahl Schanche, Timofey Kondratyev, Torvind Næsheim m.fl.:
    Study of the effects of 3 h of continuous cardiopulmonary resuscitation at 27°C on global oxygen transport and organ blood flow
    Frontiers in Physiology 2020 ARKIV / DOI
  • Svein Erik Gaustad, Timofey Kondratyev, Ingrid Eftedal, Torkjel Tveita :
    Continuous Hemodynamic Monitoring in an Intact Rat Model of Simulated Diving
    Frontiers in Physiology 13. januar 2020 ARKIV / DOI
  • Erik Sveberg Dietrichs, Karen McGlynn, Andrew Allan, Adam Connolly, Martin Bishop, Francis Burton m.fl.:
    Moderate but not severe hypothermia causes pro-arrhythmic changes in cardiac electrophysiology
    Cardiovascular Research (CVR) 2020 ARKIV / DOI
  • Torkjel Tveita, Grace Arteaga, Young Soo Han, Gary C. Sieck :
    Cardiac troponin-I phosphorylation underlies myocardial contractile dysfunction induced by hypothermia rewarming
    American Journal of Physiology. Heart and Circulatory Physiology 2019 DOI
  • Vladimir Kuklin, Nurlan Akhatov, Timofey Kondratyev, Aidos Konkaev, Abay K. Baigenzhin, Maya Konkaeva m.fl.:
    The influences of morphine or ketamine pre-treatment on hemodynamic, acid-base status, biochemical markers of brain damage and early survival in rats after asphyxial cardiac arrest
    BMC Anesthesiology 2019 ARKIV / DOI
  • Torstein Lindahl Schanche, Timofey Kondratyev, Torkjel Tveita :
    Extracorporeal rewarming from experimental hypothermia: Effects of hydroxyethyl starch versus saline priming on fluid balance and blood flow distribution
    Experimental Physiology 2019 ARKIV / DOI
  • Erik Sveberg Dietrichs, Brage Håheim, Timofey Kondratyev, Erik R. Traasdahl, Torkjel Tveita :
    Effects of hypothermia and rewarming on cardiovascular autonomic control in vivo
    Journal of applied physiology 2018 DOI
  • Young Soo Han, Niccole Schaible, Torkjel Tveita, Gary C. Sieck :
    Discontinued stimulation of cardiomyocytes provides protection against hypothermia?rewarming-induced disruption of excitation?contraction coupling
    Experimental Physiology 2018 DOI
  • Erik Sveberg Dietrichs, Torkjel Tveita, Godfrey L Smith :
    Hypothermia and cardiac electrophysiology - a systematic review of clinical and experimental data.
    Cardiovascular Research (CVR) 2018 ARKIV / DOI
  • Sergey Valkov, Rizwan Mohyuddin, Jan Harald Nilsen, Torstein Lindahl Schanche, Timofey Kondratyev, Gary C. Sieck m.fl.:
    Organ blood flow and O2 transport during hypothermia (27°C) and rewarming in a pig model
    Experimental Physiology 29. oktober 2018 FULLTEKST / DOI
  • Niccole Schaible, Young Soo Han, Torkjel Tveita, Gary C. Sieck :
    Role of superoxide ion formation in hypothermia/rewarming induced contractile dysfunction in cardiomyocytes
    Cryobiology 2018 DOI
  • Brage Håheim, Timofey Kondratyev, Erik Sveberg Dietrichs, Torkjel Tveita :
    The beneficial hemodynamic effects of afterload reduction by sodium nitroprusside during rewarming from experimental hypothermia
    Cryobiology 2017 DOI
  • Kathrine Halsøy, Timofey Kondratyev, Torkjel Tveita, Lars J. Bjertnaes :
    Effects of Constant Flow vs. Constant Pressure Perfusion on Fluid Filtration in Severe Hypothermic Isolated Blood-Perfused Rat Lungs
    Frontiers in medicine 2016 ARKIV / DOI
  • Erik Sveberg Dietrichs, Georg Sager, Torkjel Tveita :
    Altered pharmacological effects of adrenergic agonists during hypothermia
    Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2016 ARKIV / DOI
  • Niccole Schaible, Young Soo Han, Thuy Hoang, Grace Arteaga, Torkjel Tveita, Gary Sieck :
    Hypothermia/rewarming disrupts excitation-contraction coupling in cardiomyocytes
    American Journal of Physiology. Heart and Circulatory Physiology 2016 DOI
  • Erik Sveberg Dietrichs, Torstein Schanche, Timofey Kondratyev, Svein Erik Gaustad, Georg Sager, Torkjel Tveita :
    Negative inotropic effects of epinephrine in the presence of increased β-adrenoceptor sensitivity during hypothermia in a rat model
    Cryobiology 2015 DOI
  • Erik Sveberg Dietrichs, Timofey Kondratyev, Torkjel Tveita :
    Milrinone ameliorates cardiac mechanical dysfunction after hypothermia in an intact rat model
    Cryobiology 2014 DOI
  • Erik Sveberg Dietrichs, Brage Håheim, Timofey Kondratyev, Gary C. Sieck, Torkjel Tveita :
    Cardiovascular effects of levosimendan during rewarming from hypothermia in rat
    Cryobiology 30. september 2014 DOI
  • Torkjel Tveita, Ingrid Eftedal, Sanjoy Kumar Deb :
    Survival in Extreme Environments - Adaptation or Decompensation?, Volume 1
    Frontiers Media S.A. 2022 DATA / ARKIV / FULLTEKST
  • Torkjel Tveita, Ingrid Eftedal, Sanjoy Kumar Deb :
    Editorial: Survival in Extreme Environments -Adaptation or Decompensation? Volume II
    Frontiers in Physiology 16. desember 2022 DOI
  • Torkjel Tveita, Ingrid Eftedal, Sanjoy Kumar Deb :
    Editorial: Survival in extreme environments – adaptation or decompensation
    Frontiers in Physiology 2022 DOI
  • Erik Sveberg Dietrichs, Torkjel Tveita, Rachel Myles, Godfrey L Smith :
    A novel ECG-biomarker for cardiac arrest during hypothermia
    2020
  • Ola Dale, Pål Klepstad, Torkjel Tveita, Just Thoner, Petter Chr. Borchgrevink :
    Re: fra ketobemidon til oksykodon
    Tidsskrift for Den norske legeforening 21. mars 2017 DOI
  • Vladimir Kuklin, Timofey Kondratyev, Maya Konkaeva, Nurlan Akhatov, MA Sovershaev, Aidos Konkaev m.fl.:
    EFFECTS OF MORPHINE OR KETAMINE IN RATS WITH ASPHYXIAL CARDIAC ARREST: THE RESULTS OF PILOT STUDY
    2017
  • Vladimir Kuklin, Timofey Kondratyev, Maya Konkayeva, Nurlan Akhatov, Mikhail Sovershaev, Aidos Konkayev m.fl.:
    Effects of morphine or ketamine in rats with asphyxial cardiac arrest: a pilot study
    2017 ARKIV / DATA / FULLTEKST
  • Erik Sveberg Dietrichs, Brage Håheim, Timofei Kondratiev, Torkjel Tveita :
    Electrophysiological properties of calcium-sensitiser levosimendan during rewarming from severe hypothermia in vivo
    2017
  • Erik Sveberg Dietrichs, Karen McGlynn, Timofei Kondratiev, Godfrey L Smith, Torkjel Tveita :
    Hypothermia-induced differential effects on cardiac depolarisation and repolarisation in vivo
    2017
  • Ola Dale, Pål Klepstad, Torkjel Tveita, Just Thoner, Petter Chr. Borchgrevink :
    Re: Fra ketobemidon til morfin eller oksykodon
    Tidsskrift for Den norske legeforening 2016 DOI
  • Erik Sveberg Dietrichs, Karen McGlynn, Andrew Allen, Adam Connolly, Martin Bishop, Francis Burton m.fl.:
    The differential effects of hypothermia on cardiac conduction and excitability
    2016
  • Erik Sveberg Dietrichs, Torkjel Tveita :
    Pharmacological approaches to management of hypothermia-induced cardiac dysfunction
    UiT Norges arktiske universitet 2015
  • Karen McGlynn, Erik Sveberg Dietrichs, Torkjel Tveita, Godfrey L Smith :
    Hypothermic solutions cause reduced contractility in ventricular cardiomyocytes following rewarming
    2014
  • Erik Sveberg Dietrichs, Andrew Allan, Karen McGlynn, Francis Burton, Torkjel Tveita, Godfrey L Smith :
    Moderate hypothermia induces pro-arrhythmic changes in cardiac electrophysiology
    2014
  • Erik Sveberg Dietrichs, Andrew Allen, Karen McGlynn, Francis Burton, Torkjel Tveita, Godfrey L Smith :
    Measurements of ventricular activation and repolarisation during deep hypothermia and rewarming using panoramic optical mapping of isolated Langendorff perfused rabbit hearts
    2013

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    Forskningsinteresser

    Klinisk patofysiologi, aksidentell hypotermi, sirkulasjonsfysiologi.