Oskar Ragnarsson Group
Short description
Oskar Ragnarsson is an associate professor in endocrinology. The main research topics are pituitary and adrenal diseases, especially the effects of hypercortisolism on the brain, ectopic Cushings syndrome, as well as diagnosis and treatment of primary aldosteronism.
Group Members
Eleni Papakokkinou, post doc
Eleftheria Gkaniatsa, PhD student
Marta Piasecka, PhD student
Victor Hantelius, PhD student
Ann-Charlotte Olofsson, research nurse
Cushing´s syndrome
The etiology and extent of impaired quality of life, fatigue and cognitive, affective and emotional dysfunction in patients with Cushing’s syndrome – Prospective studies using structural and functional magnetic resonance imaging, positron emission tomography, genetic and cerebrospinal fluid analysis
The influence of altered DNA methylation and subsequent protein expression on cognition and neuropsychiatric complaints in patients with Cushing´s syndrome in remission and patients with exhaustion disorder – A cross sectional study
Ectopic Cushing’s syndrome in Western Sweden 2002–2023
Mortality in patients with ectopic Cushing’s syndrome: systematic review and meta-analysis.
Mortality in patients with ectopic Cushing’s syndrome: A Swedish Nationwide Study.
Ectopic Cushing's syndrome in patients with small cell lung cancer – The effect of screening for hypercortisolism on prevalence. A prospective study
Primary aldosteronism
Unilateral primary aldosteronism, mineralocorticoid antagonists versus surgical treatment – A randomized controlled trial
Clinical and biochemical success rates, cardiovascular morbidities, renal function and quality of life at long-term follow-up in surgically and medically treated patients with primary aldosteronism – A cross-sectional study
Cardiovascular comorbidities in patients with primary aldosteronism in Sweden – A nationwide study.
Hip fractures in patients with primary aldosteronism – A Swedish nationwide study
Pituitary tumors
Physical activity in patients with pituitary tumors – a randomized controlled trial
Headache in patients with non-functioning pituitary adenoma before and after pituitary tumor surgery - A prospective study
