Timofey Kondratyev
Overingeniør
Stillingsbeskrivelse
Arbeid med eksperimentelle dyremodeller, data og prøveanalyse (SigmaPlot), 3D modellering (Autodesk Fusion 360) og 3D printing ved Kardiovaskulær forskningsgruppe, Institutt for medisinsk biologi, Det helsevitenskapelige fakultet.
Arbeidsområder
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
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
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
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
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
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
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
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
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
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
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
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
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+
Brage Håheim,
Timofey Kondratyev,
Erik Sveberg Dietrichs,
Torkjel Tveita
:
Comparison between two pharmacologic strategies to alleviate rewarming shock: vasodilation vs. inodilation
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
Svein Erik Gaustad,
Timofey Kondratyev,
Ingrid Eftedal,
Torkjel Tveita
:
Continuous Hemodynamic Monitoring in an Intact Rat Model of Simulated Diving
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
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
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
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
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
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
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
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
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
2006
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
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
Timofei Kondratiev,
Ragnhild Margrete Wold,
torkjel Tveita
:
Effects of hypothermia and rewarming on myocardial calcium control in an intact animal model
2003
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