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- Jonatan Oras
Jonatan Oras
Affiliated to Research
Department of Anesthesiology and Intensive Care-
ICURE: Intensive care unit (ICU) risk evaluation for 30-day mortality. Developing and evaluating a multivariable machine learning prediction model for patients admitted to the general ICU in
Sweden.
Tobias Siöland, Araz Rawshani, Bengt Nellgård, Johan Malmgren, Jonatan Oras, Keti Dalla, Giovanni Cinà, Lars Engerström, Fredrik Hessulf
Acta anaesthesiologica Scandinavica - 2024 -
Unit-to-unit transfer due to shortage of intensive care beds in Sweden 2015–2019 was associated with a lower risk of death but a longer intensive care stay compared to no transfer: a registry
study
Christian Rylander, Jesper Sternley, Max Petzold, Jonatan Oras
Journal of Intensive Care - 2024 -
Survival of Critically Ill COVID-19 Patients in Sweden During the First Two and a Half Years of the
Pandemic.
Ailiana Santosa, Jonatan Oras, Huiqi Li, Chioma Nwaru, Brian Kirui, Fredrik Nyberg
Critical care medicine - 2024 -
High-sensitivity troponin T for detection of culprit lesions in patients with out-of-hospital cardiac
arrest
Andreas Lundin, Carl Johan Svensson, Victor Utas Hansson, Martin Thorsson, Jonatan Oras
ACTA ANAESTHESIOLOGICA SCANDINAVICA - 2024 -
Protocolized reduction of non-resuscitation fluids versus usual care in septic shock patients (REDUSE): a randomized multicentre feasibility
trial
Anja Linden, M. Spangfors, M. H. Olsen, J. Fisher, G. Lilja, F. Sjovall, M. Jungner, M. Lengquist, T. Kander, L. Samuelsson, J. Johansson, E. Palmnas, J. Unden, Jonatan Oras, M. Cronhjort, M. Chew, A. Linder, M. Lipcsey, N. Nielsen, J. C. Jakobsen, P. Bentzer
CRITICAL CARE - 2024 -
Donor heart dysfunction and graft survival in liver and kidney transplants-A register-based study from
Sweden.
Carl Johan Svensson, Josefin Öberg, Göran Dellgren, Markus Gäbel, Jonatan Oras
Clinical transplantation - 2024 -
Cardiac biomarkers for screening and prognostication of cardiac dysfunction in critically ill
patients
Oscar Cavefors, Freyr Einarsson, Jacob Holmqvist, Odd Bech-Hanssen, Sven-Erik Ricksten, Björn Redfors, Jonatan Oras
ESC HEART FAILURE - 2024 -
Hypotension during transsphenoidal pituitary surgery associated with increase in plasma levels of brain injury
markers.
Martinn Thorsson, Tobias Hallén, Daniel S Olsson, Kaj Blennow, Henrik Zetterberg, Gudmundur Johannsson, Thomas Skoglund, Jonatan Oras
Acta anaesthesiologica Scandinavica - 2023 -
Regional wall motion abnormalities in critically ill patients with non-obstructed coronary
arteries.
Elin Rosen-Wetterholm, Oscar Cavefors, Björn Redfors, Sven-Erik Ricksten, Elmir Omerovic, Christian Lars Polte, Jonatan Oras
Acta anaesthesiologica Scandinavica - 2023 -
Isolated diastolic dysfunction is associated with increased mortality in critically ill
patients.
Oscar Cavefors, Ulrika Ljung Faxén, Odd Bech-Hanssen, Stefan Lundin, Sven-Erik Ricksten, Björn Redfors, Jonatan Oras
Journal of critical care - 2023 -
End-of-life decision-making in critically ill old patients with and without coronavirus disease
2019.
Alma Nordenskjöld Syrous, Gudny Stella Gudnadottir, Jonatan Oras, Thalia Ferguson, David Lilja, Helena Odenstedt, Emma Larsson, Linda Block
Acta anaesthesiologica Scandinavica - 2023 -
Validating a Simplified Lung Ultrasound Protocol for Detection and Quantification of Pulmonary Edema in Patients With Chronic Kidney Disease Receiving Maintenance
Hemodialysis
C. Hallgren, Carl Johan Svensson, T. Ullerstam, M. Olin, H. Dezfoolian, P. Kashioulis, Jonatan Oras
Journal of Ultrasound in Medicine - 2023 -
Protocolised reduction of non-resuscitation fluids versus usual care in patients with septic shock (REDUSE): a protocol for a multicentre feasibility
trial
A. Linden, J. Fisher, G. Lilja, M. H. Olsen, F. Sjovall, M. Jungner, M. Spangfors, L. Samuelsson, Jonatan Oras, A. Linder, J. Unden, T. Kander, M. Lipcsey, N. Nielsen, J. C. Jakobsen, P. Bentzer
Bmj Open - 2023 -
Reply to: "Systolic dysfunction and mortality in critically ill patients: more data are needed to believe in this
association!"
Oscar Cavefors, Jacob Holmqvist, Odd Bech-Hanssen, Freyr Einarsson, Erik Norberg, Stefan Lundin, Elmir Omerovic, Sven-Erik Ricksten, Björn Redfors, Jonatan Oras
ESC heart failure - 2022 -
Long-term outcomes after aneurysmal subarachnoid hemorrhage: A prospective observational cohort
study
Sandra Bjerkne Wenneberg, Linda Block, Ann Sörbo, Silvana Naredi, Jonatan Oras, Pia Löwhagen Hendén, Johan Ljungqvist, Jaquette Liljencrantz, Helena Odenstedt Hergès
Acta Neurologica Scandinavica - 2022 -
Cardiac dysfunction and mortality in critically ill patients with COVID-19: A Swedish multicentre observational
study
Jacob Holmqvist, Josefine Beck-Friis, C. Jensen, Keti Dalla, S. Mardstam, J. Christensen, Nina Nordén, Hannes Widing, Elin Rosén-Wetterholm, Oscar Cavefors, Aylin Yilmaz, M. Cronhjort, Björn Redfors, Jonatan Oras
Acta Anaesthesiologica Scandinavica - 2022 -
Study protocol: establishment of a multicentre pre-eclampsia database and biobank in Sweden: GO PROVE and UP MOST, a prospective cohort
study.
Lilja Thorgeirsdottir, Malin E Andersson, Ove Karlsson, Sven Egron Thörn, Jonatan Oras, Verena Sengpiel, Teresia Svanvik, Helen Elden, Karolina Linden, Katja Junus, Susanne Lager, Ida Enskär, Teelkien van Veen, Johan Wikström, Isabella Björkman-Burtscher, Anna Stigsdotter Neely, Anna-Karin Wikström, Lina Bergman
BMJ open - 2021 -
Outcomes of catheter-directed interventions in high-risk pulmonary embolism-a retrospective
analysis
Freyr Einarsson, Charlotte Sandström, Kristina Svennerholm, Jonatan Oras, Christian Rylander
Acta Anaesthesiologica Scandinavica - 2021 -
Regional left ventricular systolic dysfunction associated with critical illness: incidence and effect on
outcome
Oscar Cavefors, Jacob Holmqvist, Odd Bech-Hanssen, Freyr Einarsson, Erik Norberg, Stefan Lundin, Elmir Omerovic, Sven-Erik Ricksten, Björn Redfors, Jonatan Oras
Esc Heart Failure - 2021 -
Sacubitril/valsartan decreases mortality in the rat model of the isoprenaline-induced takotsubo-like
syndrome
Anwar Ali Gasim Elsied, Björn Redfors, Jessica Alkhoury, Jonatan Oras, Marcus Henricsson, Jan Borén, Elias Björnson, Aaron Shekka Espinosa, Malin Levin, Li-Ming Gan, Elmir Omerovic
ESC Heart Failure - 2021 -
Association between cerebrospinal fluid biomarkers of neuronal injury or amyloidosis and cognitive decline after major
surgery.
Mattias Danielsson, Andreas Wiklund, Fredrik Granath, Kaj Blennow, Souren Mkrtchian, Bengt Nellgård, Jonatan Oras, Malin J Fagerlund, Anna Granström, Anna Schening, Lars S Rasmussen, Helena E Harris, Henrik Zetterberg, Sven-Erik Ricksten, Lars I Eriksson
British journal of anaesthesia - 2021 -
Signs of neuroaxonal injury in preeclampsia-A case control
study.
Malin E Andersson, Jonatan Oras, Sven Egron Thörn, Ove Karlsson, Peter Kälebo, Henrik Zetterberg, Kaj Blennow, Lina Bergman
PloS one - 2021 -
Left ventricular dysfunction in potential heart donors and its influence on recipient
outcomes
Jonatan Oras, Rana Doueh, Erik Norberg, Björn Redfors, Elmir Omerovic, Göran Dellgren
Journal of Thoracic and Cardiovascular Surgery - 2020 -
Heart rate variability monitoring for the detection of delayed cerebral ischemia after aneurysmal subarachnoid
hemorrhage.
Sandra Bjerkne Wenneberg, Pia Löwhagen Hendén, Jonatan Oras, Silvana Naredi, Linda Block, Johan Ljungqvist, Helena Odenstedt Hergès
Acta anaesthesiologica Scandinavica - 2020 -
Intraperitoneal ropivacaine reduces time interval to initiation of chemotherapy after surgery for advanced ovarian cancer: randomised controlled double-blind pilot
study.
Jane M. Hayden, Jonatan Oras, Linda Block, Sven Egron Thörn, Charlotte Palmqvist, Sahar Salehi, Johan L Nordstrom, Anil Gupta
British journal of anaesthesia - 2020 -
The mortality of critically ill patients was not associated with inter-hospital transfer due to a shortage of ICU beds-a single-centre retrospective
analysis
Jonatan Oras, Marko Strube, Christian Rylander
Journal of Intensive Care - 2020 -
The importance of heart rate in isoprenaline-induced takotsubo-like cardiac dysfunction in
rats
Anwar Ali Gasim Elsied, Björn Redfors, Joel Lundgren, Jessica Alkhoury, Jonatan Oras, Li-Ming Gan, Elmir Omerovic
Esc Heart Failure - 2020 -
Neuroinflammatory markers associate with cognitive decline after major surgery: Findings of an explorative
study
Mattias Danielson, A. Wiklund, F. Granath, Kaj Blennow, S. Mkrtchian, Bengt Nellgård, Jonatan Oras, M. J. Fagerlund, A. Granstrom, A. Schening, L. S. Rasmussen, H. E. Harris, Henrik Zetterberg, Sven-Erik Ricksten, L. I. Eriksson
Annals of Neurology - 2020 -
Does intraperitoneal ropivacaine reduce postoperative inflammation? A prospective, double-blind, placebo-controlled pilot
study
Jane M. Hayden, A. Gupta, Sven Egron Thörn, P. Thulin, Linda Block, Jonatan Oras
Acta Anaesthesiologica Scandinavica - 2019 -
Clinical management in the takotsubo
syndrome.
Sandeep Jha, Rickard Zeijlon, Aaron Shekka Espinosa, Jessica Alkhoury, Jonatan Oras, Elmir Omerovic, Björn Redfors
Expert review of cardiovascular therapy - 2019 -
Effects of pretreatment with cardiostimulants and beta-blockers on isoprenaline-induced takotsubo-like cardiac dysfunction in
rats
Anwar Ali Gasim Elsied, Björn Redfors, Joel Lundgren, Jessica Alkhoury, Jonatan Oras, L. M. Gan, Elmir Omerovic
International Journal of Cardiology - 2019 -
Speckle tracking-vs conventional echocardiography for the detection of myocardial injury-A study on patients with subarachnoid
haemorrhage.
Keti Dalla, Odd Bech-Hanssen, Jonatan Oras, Silvana Naredi, Sven-Erik Ricksten
Acta anaesthesiologica Scandinavica - 2019 -
Off-hour admission and impact on neurological outcome in endovascular treatment for acute ischemic
stroke
Pia Löwhagen Hendén, Alexandros Rentzos, Jan-Erik Karlsson, Lars Rosengren, Jonatan Oras, Sven-Erik Ricksten
Acta Anaesthesiologica Scandinavica - 2019 -
Isocapnic hyperventilation provides early extubation after head and neck surgery: A prospective randomized
trial
Katarina Hallén, Pether Jildenstål, Ola Stenqvist, Jonatan Oras, Sven-Erik Ricksten, Sophie Lindgren
Acta Anaesthesiologica Scandinavica - 2018 -
Impact of Acute Cardiac Complications After Subarachnoid Hemorrhage on Long-Term Mortality and Cardiovascular
Events.
Erik Norberg, Helena Odenstedt, Bertil Rydenhag, Jonatan Oras
Neurocritical care - 2018 -
Takotsubo syndrome in hemodynamically unstable patients admitted to the intensive care unit - a retrospective
study
Jonatan Oras, Joel Lundgren, Björn Redfors, D. Brandin, Elmir Omerovic, Heléne Seeman-Lodding, Sven-Erik Ricksten
Acta Anaesthesiologica Scandinavica - 2017 -
Perioperative COX-2 inhibitors may increase the risk of post-operative acute kidney
injury
A. Abrahamsson, Jonatan Oras, Johan Snygg, Linda Block
Acta Anaesthesiologica Scandinavica - 2017 -
Renal tubular injury during cardiopulmonary bypass as assessed by urinary release of
N-acetyl-ss-D-glucosaminidase
Lukas Lannemyr, E. Lundin, Björn Reinsfelt, Gudrun Bragadottir, Bengt Redfors, Jonatan Oras, Sven-Erik Ricksten
Acta Anaesthesiologica Scandinavica - 2017 -
Early treatment with isoflurane attenuates left ventricular dysfunction and improves survival in experimental
Takotsubo
Jonatan Oras, Björn Redfors, Anwar Ali Gasim Elsied, Jessica Alkhoury, Heléne Seeman-Lodding, Elmir Omerovic, Sven-Erik Ricksten
Acta Anaesthesiologica Scandinavica - 2017 -
Anaesthetic-induced cardioprotection in an experimental model of the Takotsubo syndrome - isoflurane vs.
propofol.
Jonatan Oras, Björn Redfors, A. Ali, Jaana Lundgren, Carina Sihlbom, Annika Thorsell, Heléne Seeman-Lodding, Elmir Omerovic, Sven-Erik Ricksten
Acta anaesthesiologica Scandinavica - 2017 -
Post-operative pain relief using local infiltration analgesia during open abdominal hysterectomy: a randomized, double-blind
study
Jane M. Hayden, Jonatan Oras, O. Karlsson, K. G. Olausson, Sven Egron Thörn, A. Gupta
Acta Anaesthesiologica Scandinavica - 2017 -
Elevated high-sensitive troponin T on admission is an indicator of poor long-term outcome in patients with subarachnoid haemorrhage: a prospective observational
study.
Jonatan Oras, Christina Grivans, Andreas Bartley, Bertil Rydenhag, Sven-Erik Ricksten, Heléne Seeman-Lodding
Critical care (London, England) - 2016 -
A case of intracerebral hemorrhage and apical ballooning: An important differential diagnosis in ST-segment
elevation.
Clara Hjalmarsson, Jonatan Oras, Björn Redfors
International journal of cardiology - 2015 -
High-Sensitive Troponin T and N-Terminal Pro B-Type Natriuretic Peptide for Early Detection of Stress-Induced Cardiomyopathy in Patients with Subarachnoid
Hemorrhage
Jonatan Oras, Christina Grivans, Keti Dalla, Elmir Omerovic, Bertil Rydenhag, Sven-Erik Ricksten, Heléne Seeman-Lodding
Neurocritical Care - 2015 -
Stress-induced cardiomyopathy - clinical and experimental
studies
Jonatan Oras
2015 -
Successful heart transplantation from a donor with takotsubo
syndrome.
Björn Redfors, Truls Råmunddal, Jonatan Oras, Kristjan Karason, Sven-Erik Ricksten, Göran Dellgren, Elmir Omerovic
International journal of cardiology - 2015 -
Response to "Cardioprotective effect of isoflurane anesthesia from takotsubo syndrome and its
implications"
Björn Redfors, Jonatan Oras, Yangzhen Shao, Heléne Seeman-Lodding, Sven-Erik Ricksten, Elmir Omerovic
International journal of cardiology - 2014 -
Cardioprotective effects of isoflurane in a rat model of stress-induced cardiomyopathy
(takotsubo).
Björn Redfors, Jonatan Oras, Yangzhen Shao, Heléne Seeman-Lodding, Sven-Erik Ricksten, Elmir Omerovic
International journal of cardiology - 2014