Bilde av Kondratyev, Timofey
Bilde av Kondratyev, Timofey
Institutt for medisinsk biologi timofey.kondratiev@uit.no +4777644780 95215728 Her finner du meg

Timofey Kondratyev


Overingeniør

Stillingsbeskrivelse

Arbeid med eksperimentelle dyremodeller, data og prøveanalyse (SigmaPlot), 3D modellering (Autodesk Fusion 360), 3D printing, laboratoriearbeid, laboratoriedrift og vedlikehold, kjemikalie- og farlig avfallhåndtering ved Kardiovaskulær forskningsgruppe, Institutt for medisinsk biologi, Det helsevitenskapelige fakultet.


  • Adrina Kalasho, Anders Lund Selli, Markus Furuholmen, Natalia Smaglyukova, Timofey Kondratyev, Ole Martin Fuskevåg m.fl.:
    Moderate but not severe hypothermia increases intracellular cyclic AMP through preserved production and reduced elimination
    Cryobiology 2023 ARKIV / DOI
  • Anders Lund Selli, Adrina Kalasho, Natalia Smaglyukova, Timofey Kondratyev, Ole Martin Fuskevåg, Georg Sager m.fl.:
    Pharmacodynamic properties for inhibition of cAMP- and cGMP elimination by pentoxifylline remain unaltered in vitro during hypothermia
    Scandinavian Journal of Trauma, Resuscitation and Emergency 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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, 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
  • Ragnhild Margrete Wold, Timofey Kondratyev, Torkjel Tveita :
    Myocardial calcium overload during graded hypothermia and after rewarming in an in vivo rat model
    Acta Physiologica 2013 DOI
  • Evgeny Suborov, Alexey Anatolievich Smetkin, Timofey Kondratyev, Andrey Yurjevich Valkov, Vsevolod Kuzkov, Mikhail Kirov m.fl.:
    Inhibitor of neuronal nitric oxide synthase improves gas exchange in ventilator-induced lung injury after pneumonectomy
    BMC Anesthesiology 2012 ARKIV / DOI
  • Ole Magnus Filseth, Ole-Jakob How, Timofey Kondratyev, Tor Magne Gamst, Georg Sager, Torkjel Tveita :
    Changes in cardiovascular effects of dopamine in response to graded hypothermia in vivo
    Critical Care Medicine 2012 DOI
  • Ole Magnus Filseth, Ole-Jakob How, Timofei Kondratiev, Tor Magne Gamst, Torkjel Tveita :
    Post-hypothermic cardiac left ventricular systolic dysfunction after rewarming in an intact pig model
    Critical Care 2010 FULLTEKST / DOI
  • Assami Rösner, Ole-Jakob How, Erling Johan Aarsæther, Thor Allan Stenberg, Thomas Vennø Andreasen, Timofei Kondratiev m.fl.:
    High Resolution Speckle Tracking Dobutamine Stress Echocardiography Reveals Heterogeneous Responses in Different Myocardial Layers: Implication for Viability Assessments
    Journal of the American Society of Echocardiography 2010 DOI
  • ys han, Torkjel Tveita, Timofei Kondratiev, y s prakash, GC Sieck :
    changes in cardiovascular beta-adrenoceptor responses during hypothermia
    Cryobiology 2008
  • Timofei Kondratiev, Ragnhild Margrete Wold, Ellen Aasum, Torkjel Tveita :
    Myocardial mechanical dysfunction and calcium overload following rewarming from experimental hypothermia in vivo
    Cryobiology 2008 DOI
  • Timofei Kondratiev, Torkjel Tveita :
    Effects of sympathetic stimulation during cooling on hypothermic as well as posthypothermic hemodynamic function
    Canadian Journal of Physiology and Pharmacology 2006 SAMMENDRAG / DOI
  • Timofei Kondratiev, Kristina Flemming, Eivind S. P. Myhre, Mikhail Sovershaev, Torkjel Tveita :
    Is oxygen supply a limiting factor for survival during rewarming from profound hypothermia?
    American Journal of Physiology. Heart and Circulatory Physiology 2006
  • Elena Egorina, Mikhail Sovershaev, Timofei Kondratiev, Jan Ole Olsen, Torkjel Tveita, Bjarne Østerud :
    Induction of monocytic TF expression after rewarming from hypothermia in vivo is counteracted by heat shock in c-Jun-dependent manner
    Arteriosclerosis, Thrombosis and Vascular Biology 2006
  • Timofei Kondratiev, Eivind S.P. Myhre, Øystein Thunheim Simonsen, Tor-Bjarne Nymark, Torkjel Tveita :
    Cardiovascular effects of epinephrine during rewarming from hypothermia in an intact animal model
    Journal of applied physiology 2006 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
  • Ole-Jakob How, Torvind Næsheim, Jens Petter Bakkehaug, Timofey Kondratyev, Espen W. Remme, Truls Myrmel :
    Elevated preload is critical for synchronization of myocardial lengthening (e) and mitral inflow (E) in acute ischemic acute heart failure
    The FASEB Journal 2013
  • Ole magnus Filseth, Ole-Jakob How, Timofei Kondratiev, Tor Magne Gamst, Torkjel Tveita :
    CARDIAC FUNCTION DURING SEVERE IMMERSION HYPOTHERMIA AND REWARMING IN PIGS
    Intensive Care Medicine 2010
  • OM Filseth, Ole-Jakob How, Timofei Kondratiev, Tor Magne Gamst, Georg Sager, Torkjel Tveita :
    DOPAMINE INFUSIONS IN NORMOTHERMIA, SEVERE HYPOTHERMIA AND DURING REWARMING: PHARMACOKINETICS AND CARDIOVASCULAR FUNCTION IN A PIG MODEL OF SURFACE COOLING AND REWARMING
    Intensive Care Medicine 2010
  • Svein Erik Gaustad, Timofei Kondratiev, Andreas Møllerløkken, Ulrik Wisløff, Alf O Brubakk, Torkjel Tveita :
    Dynamic changes in cardiovascular function during diving and decompression at different core temperatures
    2010
  • Erik Sveberg Dietrichs, Timofei Kondratiev, Torkjel Tveita :
    Cardiovascular effects of milrinone during rewarming from hypothermia in an intact animal model
    2009
  • YS Han, Torkjel Tveita, Timofei Kondratiev, YS Prakash, GC Sieck :
    The physiologic response to isoproterenol during hypothermia and rewarming
    The FASEB Journal 2007
  • YS Han, Torkjel Tveita, Timofei Kondratiev, GC Sieck :
    Change in physiologic response to isoproterenol induced by hypothermia is not reversed by rewarming
    Acta Anaesthesiologica Scandinavica 2007
  • elena Egorina, Mikhail Sovershaev, Timofei Kondratiev, Jan Ole Olsen, torkjel Tveita, Bjarne Østerud :
    Heat Shock Prevents Tissue Factor Induction after Rewarming from Lethal Hypothermia in a c-Jun-Dependent Manner
    2006
  • elena Egorina, Mikhail Sovershaev, Timofei Kondratiev, Jan Ole Olsen, torkjel Tveita, Bjarne Østerud :
    Heat shock prevents tissue factor expression after rewarming from lethal hypothermia in c-Jun-dependent manner
    2006
  • Timofei Kondratiev, torkjel Tveita :
    Hypothermia-induced myocardial dysfunction. An in vivo experimental study with special reference to effects of epinephrine applied for posthypothermic cardiovascular resuscitation
    UiT Norges arktiske universitet 2006
  • Ragnhild Margrete Wold, Timofei Kondratiev, Torkjel Tveita :
    Myocardial calcium control during short- and long-lasting hypothermia and rewarming in an in situ rat model
    Journal of Molecular and Cellular Cardiology 2005

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