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Mihai Oltean
Adjunct Professor
Department of SurgeryAbout Mihai Oltean
Dr. Mihai Oltean is Associate Professor of Surgery and Consultant in General Surgery.
His research explores the allo-independent graft injury following brain death and ischemia-reperfusion injury both in experimental and clinical setting. Another long-lasting research interest is intestinal transplantation (clinical and experimental), where Dr. Oltean studies intestinal preservation, non-invasive intestinal graft monitoring and intestinal acute rejection. Dr. Oltean pioneered the use of laser-Doppler flowmetry and endoscopic ultrasound in the follow-up of intestinal graft recipients.
More recently, Dr. Oltean has become part of a multidisciplinary research group analyzing COVID-19 in organ transplant recipients.
In addition to his research interest, Dr. Oltean is an experimental microsurgeon with more than 20 years of experience in the field. He is a keen educator and, together with colleagues from the faculty of Natural Sciences and Sahlgrenska University Hospital, has established a microsurgical training laboratory and since 2013 conducted almost thirty doctoral and specialist courses attended by local and international participants.
Dr. Mihai Oltean serves in the Editorial Board of Microsurgery, International Reviews of Immunology (section editor) and he is incoming Assistant Editor for European Surgical Research. He is President-Elect of International Society for Experimental Microsurgery and serves in the Council of the Intestinal Transplant and Rehabilitation Association.
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Predicting the Outcome of Lymphovenous Anastomosis for Lower Extremity Lymphedema through
Lymphoscintigraphy
Eun Ji Han, Ji Won Moon, Ji Min Son, Mihai Oltean, Mats Hellström, Francesco Boccardo, Min Jong Song
INTERNATIONAL JOURNAL OF MEDICAL SCIENCES - 2025 -
Proteomic analysis of human kidney biopsies unveils emerging acute kidney injury very early after liver graft
reperfusion
Åsa Norén, Roberto Boi, Rille Pullerits, Johan Mölne, Kerstin Ebefors, Styrbjörn Friman, Carina Sihlbom, Gustaf Herlenius, Jenny Nyström, Mihai Oltean
JOURNAL OF TRANSLATIONAL MEDICINE - 2025 -
Low muscle mass in intestinal transplant recipients: Prevalence, outcomes, and longitudinal analysis of body
composition
Julie Varkey, Kirsten Mehlig, Antal Bajor, Shilla Khalil, Mihai Oltean, Markus Gäbel, William Bennet, Jonas Varkey
CLINICAL NUTRITION ESPEN - 2025 -
Toward human uterus tissue engineering: Uterine decellularization in a non-human primate
species
Lucia de Miguel Gomez, Edina Sehic, Emy Thorén, Johan Ahlström, Hardis Rabe, Mihai Oltean, Mats Brännström, Mats Hellström
ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA - 2025 -
Transplantation of a bioengineered tissue patch promotes uterine repair in the
sheep
Edina Sehic, Lucia de Miguel Gomez, Hardis Rabe, Emy Thorén, Ingigerdur Gudmundsdottir, Mihai Oltean, Randa R. Akouri, Mats Brännström, Mats Hellström
Biomaterials Science - 2024 -
Intestinal mucosal perfusion and integrity are maintained in hypotensive brain dead
mice.
Mihai Oltean, Jasmine Bagge, Anna Casselbrant, Andreas Lundgren, Lucas Ferreira da Anunciação, Lucia de Miguel Gomez, Tomas Lorant, Mats Hellström, Michael Olausson
European surgical research. Europaische chirurgische Forschung. Recherches chirurgicales europeennes - 2024 -
Uterine Repair Mechanisms Are Potentiated by Mesenchymal Stem Cells and Decellularized Tissue Grafts Through Elevated Vegf, Cd44, and Itgb1 Gene
Expression
Sara Bandstein, Lucia de Miguel Gomez, Edina Sehic, Emy Thorén, Sara Lopez-Martinez, Irene Cervello, Randa R. Akouri, Mihai Oltean, Mats Brännström, Mats Hellström
BIOENGINEERING-BASEL - 2024 -
Including the liver in the visceral allograft: Impact on donor-specific anti-HLA antibodies and long-term
outcomes
Dace Abele, Markus Gäbel, Mihai Oltean, Jonas Varkey, Johan Mölne, Nils Ekwall, Helena Borg, Hanna Jacobsson, Jan Holgersson, Gustaf Herlenius
HUMAN IMMUNOLOGY - 2024 -
End-ischemic hypothermic oxygenated machine perfusion does not improve renal outcome following liver transplantation from aged donors: A single-center retrospective
report
Åsa Norén, Johan Mölne, William Bennet, Gustaf Sorensen, Gustaf Herlenius, Per Lindnér, Mihai Oltean
ARTIFICIAL ORGANS - 2023 -
Mucosal Recovery after Intestinal Transplantation in the Rat: A Sequential Histological and Molecular
Assessment
Jasmine Bagge, Arvind M. Padma, Anna Casselbrant, Mats Hellström, Mihai Oltean
European Surgical Research - 2023 -
Diagnostic yield for video capsule endoscopy in gastrointestinal graft- versus -host disease: a systematic review and
metaanalysis.
Jonas Varkey, Viktor Jonsson, Eva Hessman, Thomas de Lange, Per Hedenström, Mihai Oltean
Scandinavian journal of gastroenterology - 2023 -
Intestinal Transplant Immunology and Intestinal Graft Rejection: From Basic Mechanisms to Potential
Biomarkers
M. Rumbo, Mihai Oltean
International Journal of Molecular Sciences - 2023 -
Impact of COVID-19 on lung transplant recipients: Only time will
tell.
Jesper M Magnusson, Mihai Oltean
Transplant Infectious Disease - 2022 -
Ischemic Preconditioning in Liver Transplantation: Lost in
Translation?
Mihai Oltean
Journal of Investigative Surgery - 2022 -
Mesenchymal stem cells establish a pro-regenerative immune milieu after decellularized rat uterus tissue
transplantation
Edina Sehic, Emy Thorén, Ingigerdur Gudmundsdottir, Mihai Oltean, Mats Brännström, Mats Hellström
Journal of Tissue Engineering - 2022 -
Liver Graft Proteomics Reveals Potential Incipient Mechanisms behind Early Renal Dysfunction after Liver
Transplantation
Åsa Norén, Mihai Oltean, Styrbjörn Friman, Antonio Molinaro, Johan Mölne, Carina Sihlbom, Gustaf Herlenius, Annika Thorsell
International Journal of Molecular Sciences - 2022 -
Endoscopic ultrasound in the monitoring of the intestinal
allograft
Mihai Oltean, Per Hedenström, Jonas Varkey, Gustaf Herlenius, Riadh Sadik
Bmj Open Gastroenterology - 2022 -
Comparing the First and Second Wave of COVID-19 in Kidney Transplant Recipients: An East-European
Perspective
F. I. Elec, S. D. Bolboaca, A. Muntean, A. D. Elec, C. Cismaru, M. Lupse, Mihai Oltean
European Surgical Research - 2022 -
A comparison of four established GFR formulas to estimate measured GFR and changes in GFR in adult kidney transplant
recipients.
Josefine Gammelgaard Trans, Nicoline V Krogstrup, Mihai Oltean, Bente Jespersen, Marie Bodilsen Nielsen, Henrik Birn
Scandinavian journal of clinical and laboratory investigation - 2022 -
COVID-19 and kidney transplantation: the impact of remdesivir on renal function and outcome - a retrospective cohort
study
F. Elec, J. Magnusson, A. Elec, A. Muntean, O. Antal, T. Moisoiu, C. Cismaru, M. Lupse, Mihai Oltean
International Journal of Infectious Diseases - 2022 -
The proteomic signature of intestinal acute rejection in the
mouse
Mihai Oltean, Jasmine Bagge, George Dindelegan, Diarmuid T. Kenny, Antonio Molinaro, Mats Hellström, Ola Nilsson, C. Sihlbom, Anna Casselbrant, Marcela Dávila López, Michael Olausson
Metabolites - 2022 -
COVID-19 in lung transplant recipients: an overview of the Swedish national
experience.
Jesper Magnusson, Hillevi Larsson, Ahmed Alsaleh, Jan Ekelund, Kristjan Karason, Andreas Schult, Vanda Friman, Marie Felldin, John M. Söfteland, Göran Dellgren, Mihai Oltean
Transplant international : official journal of the European Society for Organ Transplantation - 2021 -
Intestinal transplantation: an overview of the recent experimental
studies
Mihai Oltean
Current opinion in organ transplantation - 2021 -
Immune response after allogeneic transplantation of decellularized uterine scaffolds in the
rat.
Arvind M. Padma, Ahmed Baker Alshaikh, Min Jong Song, Randa R. Akouri, Levent Akyürek, Mihai Oltean, Mats Brännström, Mats Hellström
Biomedical Materials - 2021 -
Decellularization protocol-dependent damage-associated molecular patterns in rat uterus scaffolds differentially affect the immune response after
transplantation.
Arvind M. Padma, Ahmed Baker Alshaikh, Min Jong Song, Randa R. Akouri, Mihai Oltean, Mats Brännström, Mats Hellström
Journal of tissue engineering and regenerative medicine - 2021 -
Luminal polyethylene-glycol solution delays the onset of preservation injury in the human
intestine.
John M. Söfteland, Jasmine Bagge, Arvind M. Padma, Anna Casselbrant, Changlian Zhu, Yafeng Wang, Mats Hellström, Michael Olausson, Mihai Oltean
American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons - 2021 -
Intestinal Ischemia-Reperfusion Injury and Calcium Channel Blockers: Getting to the Core of the
Problem.
John M. Söfteland, Mihai Oltean
Journal of investigative surgery : the official journal of the Academy of Surgical Research - 2021 -
Towards a bioengineered uterus: bioactive sheep uterus scaffolds are effectively recellularized by enzymatic
preconditioning
Arvind M. Padma, Laura Carrière, Frida Krokström Karlsson, Edina Sehic, Sara Bandstein, Tom T Tiemann, Mihai Oltean, Min Jong Song, Mats Brännström, Mats Hellström
Npj Regenerative Medicine - 2021 -
COVID-19 in solid organ transplant recipients: A national cohort study from
Sweden.
John M. Söfteland, Gustav Friman, Bengt von Zur-Mühlen, Bo-Göran Ericzon, Carin Wallquist, Kristjan Karason, Vanda Friman, Jan Ekelund, Marie Felldin, Jesper Magnusson, Ida Haugen Löfman, Andreas Schult, Emily de Coursey, Susannah Leach, Hanna Jacobsson, Jan-Åke Liljeqvist, Ali Reza Biglarnia, Per Lindnér, Mihai Oltean
American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons - 2021 -
COVID-19 after kidney transplantation: Early outcomes and renal function following antiviral
treatment
A. D. Elec, Mihai Oltean, P. Goldis, C. Cismaru, M. Lupse, A. Muntean, F. I. Elec
International Journal of Infectious Diseases - 2021 -
Dynamics of circulating dendritic cells and cytokines after kidney transplantation-No effect of remote ischaemic
conditioning.
Marie B Nielsen, Kristian Ravlo, Marco Eijken, Nicoline V Krogstrup, Morten Bue Svendsen, Chadi Abdel-Halim, Mikkel Steen Petersen, Henrik Birn, Mihai Oltean, Bente Jespersen, Bjarne K Møller
Clinical and experimental immunology - 2021 -
Hemorheological and Microcirculatory Factors in Liver Ischemia-Reperfusion Injury-An Update on Pathophysiology, Molecular Mechanisms and Protective
Strategies
Norbert Nemeth, Katalin Peto, Zsuzsanna Magyar, Zoltan Klarik, Gabor Varga, Mihai Oltean, Anna Mantas, Zoltan Czigany, Rene H Tolba
International journal of molecular sciences - 2021 -
Microsurgery training during COVID-19 pandemic: Practical recommendations from the International Society for Experimental Microsurgery and International Microsurgery Simulation
Society
Mihai Oltean, Alexandru Nistor, Mats Hellström, Michael Axelsson, Shintaro Yagi, Eiji Kobayashi, Alberto Ballestin, Yelena Akelina, Norbert Nemeth
Microsurgery - 2021 -
Initial Report From a Swedish High-volume Transplant Center After the First Wave of the COVID-19
Pandemic.
Marie Felldin, John M. Söfteland, Jesper Magnusson, Jana Ekberg, Kristjan Karason, Andreas Schult, Hillevi Larsson, Mihai Oltean, Vanda Friman
Transplantation - 2021 -
Towards uterus tissue engineering: a comparative study of sheep uterus
decellularisation
Tom T Tiemann, Arvind M. Padma, Edina Sehic, H. Bäckdahl, Mihai Oltean, Min Jong Song, Mats Brännström, Mats Hellström
Molecular human reproduction - 2020 -
Covid-19 in kidney transplant recipients: a systematic review of the case series available three months into the
pandemic.
Mihai Oltean, John M. Söfteland, Jasmine Bagge, Jan Ekelund, Marie Felldin, Andreas Schult, Jesper Magnusson, Vanda Friman, Kristjan Karason
Infectious diseases (London, England) - 2020 -
Registry reports in COVID-19 patients: juggling with big data, poor data, and no
data.
John M. Söfteland, Kristjan Karason, Jesper Magnusson, Andreas Schult, Marie Felldin, Vanda Friman, Mihai Oltean
Kidney international - 2020 -
IGL-1 as a preservation solution in intestinal transplantation: a multicenter
experience.
Emilio Canovai, Mihai Oltean, Gustaf Herlenius, Levent Akyürek, Guido Trentadue, Gerard Dijkstra, Jan W Haveman, Andreas Pascher, Gert De Hertogh, Diethard Monbaliu, Jacques Pirenne, Laurens J Ceulemans
Transplant International - 2020 -
The impact of age and luminal preservation on the development of intestinal preservation injury in
rats
John M. Söfteland, Anna Casselbrant, Levent Akyürek, Mats Hellström, Mihai Oltean
Transplantation - 2020 -
The development of an extended normothermic ex vivo reperfusion model of the sheep uterus to evaluate organ quality after cold ischemia in relation to uterus
transplantation
Arvind M. Padma, Mylan Truong, Tagrid Jar-Allah, Min Jong Song, Mihai Oltean, Mats Brännström, Mats Hellström
Acta Obstetricia et Gynecologica Scandinavica - 2019 -
Intestinal Preservation Injury: A Comparison Between Rat, Porcine and Human
Intestines.
John M. Söfteland, Anna Casselbrant, Ali-Reza Biglarnia, Johan Linders, Mats Hellström, Antonio Pesce, Arvind M. Padma, Lucian Petru Jiga, Bogdan Hoinoiu, Mihai Ionac, Mihai Oltean
International journal of molecular sciences - 2019 -
Donor-specific antibodies and organ transplantation: a dangerous
mix.
M Oltean, Himanshu Kumar
International reviews of immunology - 2019 -
Remote ischaemic conditioning and early changes in plasma creatinine as markers of one year kidney graft function-A follow-up of the CONTEXT
study.
Marie B Nielsen, Nicoline V Krogstrup, M Oltean, Gertrude J Nieuwenhuijs-Moeke, Frank J M F Dor, Henrik Birn, Bente Jespersen
PloS one - 2019 -
P-NGAL Day 1 predicts early but not one year graft function following deceased donor kidney transplantation - The CONTEXT
study.
Marie B Nielsen, Nicoline V Krogstrup, Gertrude J Nieuwenhuijs-Moeke, M Oltean, Frank J M F Dor, Bente Jespersen, Henrik Birn
PloS one - 2019 -
Luminal Polyethylene Glycol Alleviates Intestinal Preservation Injury Irrespective of Molecular
Size
Anna Casselbrant, John M. Söfteland, Mats Hellström, Mantas Malinauskas, Mihai Oltean
Journal of Pharmacology and Experimental Therapeutics - 2018 -
The endoscopic surveillance of the transplanted small intestine: a single center experience and a proposal for a grading
score.
Jonas Varkey, Per-Ove Stotzer, Magnus Simrén, Gustaf Herlenius, Mihai Oltean
Scandinavian journal of gastroenterology - 2018 -
Silybin Against Liver Ischemia-Reperfusion Injury: Something Old, Something
New...
Mihai Oltean
Journal of Investigative Surgery - 2018 -
Chronic Rejection After Intestinal Transplant: Where Are We in Order to Avert
It?
Augusto Lauro, Mihai Oltean, Ignazio R Marino
Digestive diseases and sciences - 2018 -
Beneficial effects of remote organ ischemic preconditioning on micro-rheological parameters during liver ischemia-reperfusion in the
rat
Z. Magyar, A. Mester, G. Nadubinszky, G. Varga, S. Ghanem, V. Somogyi, B. Tanczos, A. Deak, L. Bidiga, Mihai Oltean, K. Peto, N. Nemeth
Clinical hemorheology and microcirculation - 2018 -
A sequential assessment of the preservation injury in porcine
intestines
Mihai Oltean, L. Jiga, Mats Hellström, John M. Söfteland, M. Papurica, T. Hoinoiu, M. Ionac, Anna Casselbrant
Journal of Surgical Research - 2017
More publications
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