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- Oskar Ragnarsson
Oskar Ragnarsson
Universitetslektor/överläkare
Avd för invärtesmedicin och klinisk nutrition-
Response to Letter to the
Editor.
Margret J Einarsdottir, Maria Bankvall, Jairo Robledo-Sierra, Per-Olof Rödström, Ragnhildur Bergthorsdottir, Penelope Trimpou, Bengt Hasséus, Oskar Ragnarsson
Oral diseases - 2025 -
Cognitive function and fatigue before and after transsphenoidal surgery in patients with pituitary adenoma: a prospective
study
David Krabbe, Tamar Abzhandadze, Thomas Skoglund, Tobias Hallén, Daniel S Olsson, Victor Hantelius, Oskar Ragnarsson, Sofie Jakobsson, Gudmundur Johannsson, Katharina Stibrant Sunnerhagen
PITUITARY - 2025 -
Digital voice analysis as a biomarker of
acromegaly.
Konstantina Vouzouneraki, Fredrik Nylén, Jenny Holmberg, Tommy Olsson, Katarina Berinder, Charlotte Höybye, Maria Petersson, Sophie Bensing, Anna-Karin Åkerman, Henrik Borg, Bertil Ekman, Jonas Robért, Britt Edén Engström, Oskar Ragnarsson, Pia Burman, Per Dahlqvist
The Journal of clinical endocrinology and metabolism - 2025 -
Person-centered support for patients with a pituitary tumor following
surgery
Sofie Jakobsson, Oskar Ragnarsson, Tobias Hallén, David Krabbe, Ann-Charlotte Olofsson, Daniel S Olsson, Penelope Trimpou, Thomas Skoglund, Gudmundur Johannsson
Endocrine Connections - 2025 -
Socioeconomic status and its association with outcome in patients with Cushing's
disease
Daniel Bengtsson, Jacob Jaras, Pia Burman, Jeanette Wahlberg, Oskar Ragnarsson
EUROPEAN JOURNAL OF ENDOCRINOLOGY - 2025 -
Outcomes after medical treatment for primary aldosteronism: an international consensus and analysis of treatment response in an international
cohort
Jun Yang, Jacopo Burrello, Jessica Goi, Martin Reincke, Christian Adolf, Evelyn Asbach, Denise Bruedgam, Qifu Li, Yi Song, Jinbo Hu, Shumin Yang, Fumitoshi Satoh, Yoshikiyo Ono, Renata Libianto, Michael Stowasser, Nanfang Li, Qing Zhu, Namki Hong, Drishya Nayak, Troy H. Puar, Vin-Cent Wu, Anand Vaidya, Marta Araujo-Castro, Tomaz Kocjan, Samuel Matthew O'Toole, Gregory L. Hundemer, Oskar Ragnarsson, Andre Lacroix, Stephanie Larose, Kazuki Nakai, Tetsuo Nishikawa, Daria Ladygina, Adina Fturcu, Julieta Sholinyan, Carlos E. Fardella, Thomas Uslar, Marcus Quinkler, Paolo Mulatero, Giovanni Pintus, Gian Paolo Rossi, Stefanie Hahner, Laurence Amar, William M. Drake, Chetna Varsani, Morris J. Brown, Xilin Wu, Jaap Deinum, E. Marie Freel, Gregory Kline, Mitsuhide Naruse, Aleksander Prejbisz, William F. Young, Tracy Ann Williams, Peter J. Fuller
LANCET DIABETES & ENDOCRINOLOGY - 2025 -
New Pituitary Adenoma Classification System to Individualise Management and Improve Long-Term
Prognosis.
Gudmundur Johannsson, Oskar Ragnarsson, Thomas Skoglund
Clinical endocrinology - 2025 -
Commentary on: Diagnostic performance of various imaging modalities in localizing ectopic ACTH syndrome: A systematic
review.
Oskar Ragnarsson
Annales d'endocrinologie - 2024 -
Assessing Lateralization Index of Adrenal Venous Sampling for Surgical Indication in Primary
Aldosteronism
Hiroki Kobayashi, Yoshihiro Nakamura, Masanori Abe, Oskar Ragnarsson, Eleftheria Gkaniatsa, Marianne Aa Grytaas, Kristian Lovas, Norio Wada, Takamasa Ichijo, Daniel A. Heinrich, William Drake, Sam O'Toole, Tomaz Kocjan, Darko Kastelan, Ivana Kraljevic, Koichi Yamamoto, Mika Tsuiki, Simon Kloock, Ulrich Dischinger, Mirko Parasiliti-Caprino, Gruber Sven, Ariadni Spyroglou, Raluca Maria Furnica, Francesco Fallo, Giuseppe Maiolino, Mitsuhiro Kometani, Vin-Cent Wu, Felix Beuschlein, Martin Reincke, Mitsuhide Naruse
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM - 2024 -
Accidental Cushing
Syndrome.
Konstantina Kousoula, Oskar Ragnarsson, Penelope Trimpou
JCEM case reports - 2024 -
Headache in patients with non-functioning pituitary adenoma before and after transsphenoidal surgery - a prospective
study.
Victor Hantelius, Oskar Ragnarsson, Gudmundur Johannsson, Daniel S Olsson, Sofie Jakobsson, Erik Thurin, Dan Farahmand, Thomas Skoglund, Tobias Hallén
Pituitary - 2024 -
Intermittent high-dose glucocorticoid treatment does not cause adrenal insufficiency in patients with diffuse large B-cell lymphoma - a prospective
study.
Margret Jona Einarsdottir, Hallgerdur Lind Kristjansdottir, Ragnhildur Bergthorsdottir, Gudmundur Johannsson, Penelope Trimpou, Catharina Lewerin, Oskar Ragnarsson
Acta haematologica - 2024 -
Genome-wide methylation profiling differentiates benign from aggressive and metastatic pituitary neuroendocrine
tumors.
Jelena Jotanovic, Henning Bünsow Boldt, Mark Burton, Marianne Skovsager Andersen, Daniel Bengtsson, Thomas Olsson Bontell, Bertil Ekman, Britt Edén Engström, Ulla Feldt-Rasmussen, Ansgar Heck, Antonia Jakovcevic, Jens Otto L Jørgensen, Ivana Kraljevic, Jacek Kunicki, John R Lindsay, Marco Losa, Paul Benjamin Loughrey, Dominique Maiter, Maria Maksymowicz, Emilija Manojlovic-Gacic, Jens Pahnke, Stephan Petersenn, Maria Petersson, Vera Popovic, Oskar Ragnarsson, Åse Krogh Rasmussen, Zita Reisz, Wolfgang Saeger, Camilla Schalin-Jäntti, David Scheie, Maria Rosa Terreni, Olli Tynninen, Ben Whitelaw, Pia Burman, Olivera Casar-Borota
Acta neuropathologica - 2024 -
Cognitive function in pituitary adenoma patients: A cross-sectional
study.
David Krabbe, Katharina Stibrant Sunnerhagen, Daniel S Olsson, Tobias Hallén, Oskar Ragnarsson, Thomas Skoglund, Gudmundur Johannsson
PLOS ONE - 2024 -
Diabetes mellitus in patients with acromegaly: pathophysiology, clinical challenges and
management
Daniela Esposito, Cesar Luiz Boguszewski, Annamaria Colao, Maria Fleseriu, Federico Gatto, Jens Otto Lunde Jørgensen, Oskar Ragnarsson, Diego Ferone, Gudmundur Johannsson
Nature Reviews Endocrinology - 2024 -
Hip fractures in patients with primary aldosteronism - a Swedish nationwide
study
Eleftheria Gkaniatsa, Tatiana Zverkova Sandström, Annika Rosengren, Penelope Trimpou, Andreas Muth, Gudmundur Johannsson, Oskar Ragnarsson
OSTEOPOROSIS INTERNATIONAL - 2024 -
Diagnostic challenges in patients with reninomas and extrarenal renin-producing
tumours
Botond Fabian, Oskar Ragnarsson, Aleksandar Prazic, Mikael Ryden, Cristina Volpe, Ola Lindgren
CLINICAL ENDOCRINOLOGY - 2024 -
Undiagnosed adrenal insufficiency as a cause of premature death in glucocorticoid
users.
Margret Einarsdottir, Penelope Trimpou, Gudmundur Johannsson, Oskar Ragnarsson
Endocrine connections - 2024 -
Impact of chronic oral glucocorticoid treatment on mortality in patients with COVID-19: analysis of a population-based
cohort.
Margret Einarsdottir, Brian Kibiwott Kirui, Huiqi Li, Daniel S Olsson, Gudmundur Johannsson, Fredrik Nyberg, Oskar Ragnarsson
BMJ Open - 2024 -
The influence of insulin-induced hypoglycemia on copeptin
concentrations
Penelope Trimpou, Ioannis Bounias, Olof Ehn, Ola Hammarsten, Oskar Ragnarsson
PEPTIDES - 2024 -
A clinical perspective on ectopic Cushing's
syndrome
Oskar Ragnarsson, C. Christofer Juhlin, David J. Torpy, Henrik Falhammar
Trends in Endocrinology and Metabolism - 2024 -
Androgen deficiency in hypopituitary women: its consequences and
management
Daniela Esposito, Åsa Tivesten, Catharina Olivius, Oskar Ragnarsson, Gudmundur Johannsson
REVIEWS IN ENDOCRINE & METABOLIC DISORDERS - 2024 -
The diagnostic performance of copeptin in clinical practice: A prospective
study
Penelope Trimpou, Ioannis Bounias, Olof Ehn, Ola Hammarsten, Oskar Ragnarsson
CLINICAL ENDOCRINOLOGY - 2024 -
Venous thromboembolism in Cushing syndrome: results from an EuRRECa and Endo-ERN
survey
M. Cherenko, N. M. Appelman-Dijkstra, A. L.Priego Zurita, N. R. Biermasz, O. M. Dekkers, F. A. Klok, N. Reisch, A. Aulinas, B. Biagetti, S. Cannavo, L. Canu, M. Detomas, F. Devuyst, H. Falhammar, R. A. Feelders, F. Ferrau, F. Gatto, C. Grasselli, P. van Houten, C. Hoybye, A. M. Isidori, A. Kyrilli, P. Loli, D. Maiter, E. Nowak, R. Pivonello, Oskar Ragnarsson, R. V. Steenaard, N. Unger, A. van de Ven, S. M. Webb, D. Yeste, S. F. Ahmed, A. M. Pereira
Endocrine Connections - 2024 -
Establishing a valid cohort of patients with acromegaly by combining the National Patient Register with the Swedish Pituitary
Register.
J Robèrt, E Tsatsaris, K Berinder, L Bonelli, P Burman, Per Dahlqvist, C Höybye, Daniel S Olsson, Oskar Ragnarsson, K Vouzouneraki, A-K Åkerman, B Ekman, B Edén Engström
Journal of endocrinological investigation - 2024 -
Increased risk of hospitalization, intensive care and death due to COVID-19 in patients with adrenal insufficiency: A Swedish nationwide
study.
Ragnhildur Bergthorsdottir, Daniela Esposito, Daniel S Olsson, Oskar Ragnarsson, Per Dahlqvist, Sophie Bensing, Jonatan Nåtman, Gudmundur Johannsson, Fredrik Nyberg
Journal of internal medicine - 2024 -
Topical clobetasol treatment for oral lichen planus can cause adrenal
insufficiency.
Margret Einarsdottir, Maria Bankvall, Jairo Robledo-Sierra, Per-Olof Rödström, Ragnhildur Bergthorsdottir, Penelope Trimpou, Bengt Hasséus, Oskar Ragnarsson
Oral diseases - 2024 -
Mortality in Patients With Primary Aldosteronism: A Swedish Nationwide
Study.
Eleftheria Gkaniatsa, Tatiana Zverkova Sandström, Annika Rosengren, Penelope Trimpou, Daniel S Olsson, Marcus Lind, Andreas Muth, Gudmundur Johannsson, Oskar Ragnarsson
Hypertension (Dallas, Tex. : 1979) - 2023 -
Therapeutic outcomes with surgical and medical management for primary aldosteronism: protocol for a systematic review and
meta-analysis.
Aldo Rocca, Eleftheria Gkaniatsa, Maria Chiara Brunese, Eva Hessman, Andreas Muth, Bright I Nwaru, Oskar Ragnarsson, Emanuele Bobbio, Daniela Esposito
BMJ open - 2023 -
Functional brain alterations in Cushing's
syndrome.
Eleni Papakokkinou, Oskar Ragnarsson
Frontiers in endocrinology - 2023 -
Editorial: Adrenal insufficiency: Diagnostic approaches, treatments and
outcomes.
A Pazderska, C Malchoff, Oskar Ragnarsson, E Valassi
Frontiers in endocrinology - 2023 -
Dietary salt restriction in primary
aldosteronism.
Oskar Ragnarsson, Bo Carlberg, Tommy Olsson
Journal of internal medicine - 2023 -
Mineralocorticoid receptor antagonists for primary aldosteronism-appropriate or
not?
Oskar Ragnarsson, Per Dahlqvist, Andreas Muth, Jan Calissendorff, Tommy Olsson
European journal of endocrinology - 2023 -
Pituitary function before and after surgery for nonfunctioning pituitary adenomas-data from the Swedish Pituitary
Register.
Nasrin Al-Shamkhi, Katarina Berinder, Henrik Borg, Pia Burman, Per Dahlqvist, Charlotte Höybye, Daniel S Olsson, Oskar Ragnarsson, Bertil Ekman, Britt Edén Engström
European journal of endocrinology - 2023 -
The importance of personal documentation for patients living with long-term illness symptoms after pituitary surgery: A Constructivist Grounded
Theory study.
Birgit Heckemann, Tatjana Graf, Eva Jakobsson Ung, Sofie Jakobsson, Oskar Ragnarsson, Daniel S Olsson, Christina Blomdahl
Health expectations : an international journal of public participation in health care and health policy - 2023 -
International multicenter survey on screening and confirmatory testing in primary
aldosteronism.
Mitsuhide Naruse, Masanori Murakami, Takuyuki Katabami, Tomaz Kocjan, Mirko Parasiliti-Caprino, Marcus Quinkler, Matthieu St-Jean, Sam O'Toole, Filippo Ceccato, Ivana Kraljevic, Darko Kastelan, Mika Tsuiki, Jaap Deinum, Edelmiro Menéndez Torre, Troy Puar, Athina Markou, George Piaditis, Kate Laycock, Norio Wada, Marianne Aardal Grytaas, Hiroki Kobayashi, Akiyo Tanabe, Chin Voon Tong, Nuria Valdés Gallego, Sven Gruber, Felix Beuschlein, Lydia Kürzinger, Norlela Sukor, Elena A B Aisha Azizan, Oskar Ragnarsson, Michiel F Nijhoff, Giuseppe Maiolino, Guido Di Dalmazi, Valentina Kalugina, André Lacroix, Raluca Maria Furnica, Tomoko Suzuki
European journal of endocrinology - 2023 -
Adrenal Vein Sampling in the Young - Necessary or
Not?
Eleftheria Gkaniatsa, Oskar Ragnarsson
Experimental and Clinical Endocrinology & Diabetes - 2023 -
Long-term Follow-up of 84 Patients With Giant Prolactinomas-A Swedish Nationwide
Study.
Christos Himonakos, Pia Burman, Henrik Borg, Per Dahlqvist, Britt Edén Engström, Bertil Ekman, Louise Emilsson, Daniel S Olsson, Oskar Ragnarsson, Jeanette Wahlberg, Anna-Karin Åkerman, Charlotte Höybye, Katarina Berinder
The Journal of clinical endocrinology and metabolism - 2023 -
Cushing's syndrome in the elderly: data from the European Registry on Cushing's
syndrome.
Vincent Amodru, Amandine Ferriere, Antoine Tabarin, Frederic Castinetti, Stylianos Tsagarakis, Miklos Toth, Richard A Feelders, Susan M Webb, Martin Reincke, Romana Netea-Maier, Darko Kastelan, Atanaska Elenkova, Dominique Maiter, Oskar Ragnarsson, Alicia Santos, Elena Valassi
European journal of endocrinology - 2023 -
Salivary cortisol and cortisone in diagnosis of Cushing's syndrome - a comparison of six different analytical
methods
N. Backlund, G. Brattsand, S. Lundstedt, E. Aardal, I. Bartuseviciene, K. Berinder, C. Hoybye, P. Burman, B. E. Engstrom, A. Isaksson, A. Blomgren, Oskar Ragnarsson, U. Ruetschi, J. Wahlberg, T. Olsson, P. Dahlqvist
Clinical Chemistry and Laboratory Medicine - 2023 -
Current clinical practice for thromboprophylaxis management in patients with Cushing’s syndrome across reference centers of the European Reference Network on Rare Endocrine Conditions
(Endo-ERN)
F. M. van Haalen, M. Kaya, I. C.M. Pelsma, O. M. Dekkers, N. R. Biermasz, S. C. Cannegieter, M. V. Huisman, B. J.M. van Vlijmen, R. A. Feelders, F. A. Klok, A. M. Pereira, K. Stochholm, E. Fliers, F. Castinetti, T. Brue, J. Bertherat, C. Scaroni, A. Colao, R. Giordano, M. R. Druce, A. Beckers, J. Spranger, N. Driessens, D. Maiter, U. Feldt-Rasmussen, R. Feelders, S. M. Webb, M. Dattani, E. Husebye, B. Zilaitiene, S. Gaztambide, F. Gatto, D. Ferone, L. Persani, I. Chiodini, C. Höybye, A. M. Pereira, N. R. Biermasz, F. A. Klok, O. M. Dekkers, O. C. Meijer, M. Reincke, G. Vila, C. Perry, A. Heck, M. R. Stancampiano, A. van de Ven, Gudmundur Johannsson, Oskar Ragnarsson, M. Tóth, V. Volke, M. Toumba, L. Canu, J. Vojtková, M. Al-Mrayat, M. Fassnacht, M. Detomas, N. Karavitaki, M. M. van der Klauw, U. Groselj, A. Elenkova, D. Unuane
Orphanet Journal of Rare Diseases - 2022 -
Illness perspectives in patients with primary
aldosteronism.
Oskar Ragnarsson, Andreas Muth, Gudmundur Johannsson, Eleftheria Gkaniatsa, Eva Jakobsson Ung, Sofie Jakobsson
PloS one - 2022 -
Long-Term Outcomes and Complications from Endoscopic Versus Microscopic Transsphenoidal Surgery for Cushing?s Disease: A 15-Year Single-Center
Study
Penelope Trimpou, Erika Backlund, Oskar Ragnarsson, Thomas Skoglund, Tobias Hallén, Gunnhildur Gudnadottir, Jeanette Carlqvist, Dan Farahmand
World Neurosurgery - 2022 -
Increased Mortality Persists after Treatment of Cushing's Disease: A Matched Nationwide Cohort
Study
D. Bengtsson, Oskar Ragnarsson, K. Berinder, P. Dahlqvist, B. E. Engstrom, B. Ekman, C. Hoybye, J. Jaras, S. Valdemarsson, P. Burman, J. Wahlberg
Journal of the Endocrine Society - 2022 -
Diagnosis and management of hypertension in patients with Cushing's syndrome: a position statement and consensus of the Working Group on Endocrine Hypertension of the European Society of
Hypertension
F. Fallo, G. Di Dalmazi, F. Beuschlein, N. R. Biermasz, F. Castinetti, A. Elenkova, M. Fassnacht, A. M. Isidori, D. Kastelan, M. Korbonits, J. Newell-Price, G. Parati, S. Petersenn, R. Pivonello, Oskar Ragnarsson, A. Tabarin, M. Theodoropoulou, S. Tsagarakis, E. Valassi, P. Witek, M. Reincke
Journal of hypertension - 2022 -
Response to Letter to the Editor from Singhania et al: "Increasing incidence of primary aldosteronism in Western Sweden during three decades - Yet an underdiagnosed
disorder".
Eleftheria Gkaniatsa, Eva Ekerstad, Manuela Gavric, Andreas Muth, Penelope Trimpou, Daniel S Olsson, Gudmundur Johannsson, Oskar Ragnarsson
The Journal of clinical endocrinology and metabolism - 2022 -
The incidence of insulinoma in Western Sweden between 2002 and
2019
Ellinor Svensson, Andreas Muth, Per Hedenström, Oskar Ragnarsson
Annals of Gastroenterology - 2022 -
Back to Basics-When Should Cushing Syndrome Be
Suspected?
Oskar Ragnarsson
The Journal of clinical endocrinology and metabolism - 2022 -
The diagnostic value of salivary cortisol and salivary cortisone in patients with suspected
hypercortisolism.
Vendela Berndt, Per Dahlqvist, Jennie de Verdier, Henrik Ryberg, Oskar Ragnarsson
Frontiers in endocrinology - 2022 -
Long-term outcomes of patients with acromegaly: a report from the Swedish Pituitary
Register
S. Arnardóttir, J. Järås, P. Burman, K. Berinder, P. Dahlqvist, E. M. Erfurth, C. Höybye, K. Larsson, Oskar Ragnarsson, B. Ekman, B. Edén Engström
European Journal of Endocrinology - 2022
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