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Sökning: WFRF:(Ragnarsson Oskar) > (2015-2019)

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31.
  • Ragnarsson, Oskar, 1971, et al. (författare)
  • The incidence of Cushing’s disease : a nationwide Swedish study
  • 2019
  • Ingår i: Pituitary. - : Springer. - 1386-341X .- 1573-7403. ; 22:2, s. 179-186
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Studies on the incidence of Cushing’s disease (CD) are few and usually limited by a small number of patients. The aim of this study was to assess the annual incidence in a nationwide cohort of patients with presumed CD in Sweden.Methods: Patients registered with a diagnostic code for Cushing’s syndrome (CS) or CD, between 1987 and 2013 were identified in the Swedish National Patient Registry. The CD diagnosis was validated by reviewing clinical, biochemical, imaging, and histopathological data.Results: Of 1317 patients identified, 534 (41%) had confirmed CD. One-hundred-and-fifty-six (12%) patients had other forms of CS, 41 (3%) had probable but unconfirmed CD, and 334 (25%) had diagnoses unrelated to CS. The mean (95% confidence interval) annual incidence between 1987 and 2013 of confirmed CD was 1.6 (1.4–1.8) cases per million. 1987–1995, 1996–2004, and 2005–2013, the mean annual incidence was 1.5 (1.1–1.8), 1.4 (1.0–1.7) and 2.0 (1.7–2.3) cases per million, respectively. During the last time period the incidence was higher than during the first and second time periods (P < 0.05).Conclusion: The incidence of CD in Sweden (1.6 cases per million) is in agreement with most previous reports. A higher incidence between 2005 and 2013 compared to 1987–2004 was noticed. Whether this reflects a truly increased incidence of the disease, or simply an increased awareness, earlier recognition, and earlier diagnosis can, however, not be answered. This study also illustrates the importance of validation of the diagnosis of CD in epidemiological research.
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32.
  • Ragnarsson, Oskar, 1971, et al. (författare)
  • Urinary free cortisol and androgens in the population—Hormone interactions and the relationship with body composition and bone status
  • 2016
  • Ingår i: Steroids. - : Elsevier BV. - 0039-128X. ; 115, s. 154-159
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective Abnormal secretion of thyroid hormones, growth hormone, cortisol and androgens influences body composition. We hypothesised that higher cortisol excretion, in combination with higher androgen and IGF-I concentrations, had a synergistic, favourable effect on body mass and bone. Design, patients and methods This was a cross-sectional study on a population sample of 290 women and 93men. The mean age was 65.4±7.2yearsinwomen and 59.7±10.0yearsinmen. Body composition was assessed with bioimpedance, and skeletal health with calcaneal quantitative ultrasound and fracture rate. The influence of urinary free cortisol (UFC), serum DHEAs (women), testosterone (men), free T4andIGF-I on the outcome was studied with regression analyses adjusted for age and body mass index. Results In women, higher concentrations of UFC, DHEAs, IGF-I and lower free T4, were associated with higher fat-free mass. Only a higher UFC concentration was associated with favourable calcaneal measurements. In men, higher testosterone was associated with higher fat-free mass and lower fat mass. Higher IGF-I concentration, but not UFC, was independently associated with higher fat-free mass in men. Interaction analyses did not reveal any additive effects of hormones on body composition or bone in either sex. In both men and women, only age was associated with osteoporotic fractures. Conclusion Serum concentrations of androgens together with IGF-I were positively associated with body composition in both sexes. Urinary cortisol was positively associated with fat-free mass and bone status in women only. Increasing age, but not hormones, was the major determinant of osteoporotic fractures in this population sample. © 2016 Elsevier Inc.
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33.
  • Schill, Fredrika, et al. (författare)
  • Pituitary Metastases : A Nationwide Study on Current Characteristics With Special Reference to Breast Cancer
  • 2019
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : Oxford University Press. - 0021-972X .- 1945-7197. ; 104:8, s. 3379-3388
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To investigate the contemporary presentation of pituitary metastases. Patients: Thirty-eight patients diagnosed with pituitary metastases from 1996 to 2018 in Sweden.Methods: Pituitary metastases were confirmed by histopathology (n = 27) or considered highly likely according to radiological findings, including rapid tumor progression (n = 11). Medical records were reviewed and cellar images reexamined centrally.Results: Breast and lung cancers were the most common primary tumors, in 45% and 21% of patients, respectively. Sixty-seven percent of breast cancers overexpressed human epidermal growth factor receptor 2 (HER2); 53% of pituitary metastases from breast cancers appeared >= 10 years after diagnosis of the primary tumor. At presentation, 71% appeared to have ACTH deficiency, 65% had TSH deficiency, and 26% had diabetes insipidus. Fatigue, nausea/vomiting, loss of appetite, weight loss, myalgia, and/or arthralgia were reported in 47% of patients with morning cortisol <100 nmol/L vs 23% with cortisol >= 200 nmol/L. Sixteen patients had visual field defects, and eight had diplopia. Intrasellar and suprasellar tumor growth was the most frequent finding. Initially, a pituitary adenoma was considered the etiology in 18% of patients. Radiotherapy, pituitary surgery, and chemotherapy were used in 68%, 68%, and 11% of patients, respectively. One and 2 years after diagnosis of pituitary metastases, 50% and 26% of patients were alive.Conclusion: Pituitary metastases may be mistaken for pituitary adenomas and can appear late, especially in breast cancer. Breast cancers overexpressing HER2 seem prone to metastasize to the pituitary. Hypocortisolism may be misdiagnosed as cancer-related malaise. An increased awareness of pituitary metastases and undiagnosed pituitary failure can improve management in these patients.
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34.
  • Stomby, Andreas, et al. (författare)
  • Elevated resting-state connectivity in the medial temporal lobe and the prefrontal cortex among patients with Cushing's syndrome in remission
  • 2019
  • Ingår i: European journal of endocrinology. - : Bioscientifica. - 1479-683X .- 0804-4643. ; 180:5, s. 329-338
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective Cushing's syndrome is associated with long-term cognitive deficits and affective symptoms such as depression and anxiety. The alterations in brain function underlying these deficits after Cushing's syndrome are unclear and therefore we aimed to explore alterations in resting-state functional connectivity in patients with Cushing's syndrome in remission. Design Cross-sectional case-control study. Methods Nineteen women with Cushing's syndrome in remission for a median time of 7 years (IQR: 6-10) and a mean age of 45 years were included at three university clinics. These patients and 38 age-matched female controls underwent brain imaging at a single center. The main outcome measure was functional connectivity at rest, measured with functional magnetic resonance imaging. Results The medial temporal lobe (MTL) and prefrontal cortex networks, exhibited elevated functional connectivity among patients compared to controls. The degree of elevated functional connectivity in the MTL was negatively associated with time in remission. Conclusions Resting-state functional connectivity within glucocorticoid receptor-rich regions, particularly the MTL and medial prefrontal cortex, was increased in patients. These differences in connectivity may provide a neural basis for the cognitive deficits and affective symptoms commonly experienced by patients with Cushing's syndrome in remission.
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35.
  • Trimpou, Penelope, 1973, et al. (författare)
  • Diagnostic value of the water deprivation test in the polyuria-polydipsia syndrome.
  • 2017
  • Ingår i: Hormones. - : Springer Science and Business Media LLC. - 2520-8721 .- 1109-3099. ; 16:4, s. 414-422
  • Tidskriftsartikel (refereegranskat)abstract
    • Diabetes insipidus (DI) and primary polydipsia (PP) are characterised by polyuria and polydipsia. It is crucial to differentiate between these two disorders since the treatment is different. The aim of this study was to evaluate the diagnostic value of the short and an extended variant of the water deprivation test (WDT) and of measuring urinary vasopressin (AVP) in patients with polyuria and polydipsia.A retrospective, single-centre study based on WDTs performed between 2004 and 2014 including 104 consecutive patients with the polyuria-polydipsia syndrome. During a strict water deprivation, weight, urinary osmolality, urinary vasopressin and specific gravity were collected until one of the following was reached: i) >3% weight reduction, ii) Urinary specific gravity >1.020 or, urinary osmolality >800 mOsm/L, iii) Intolerable adverse symptoms such as excessive thirst.Out of 104 patients (67 women, 37 men), 21 (20%) were diagnosed with DI and 83 (80%) with PP. The median (interquartile range; range) test duration was 14 hours (10-16; 3-36) in patients with DI and 18 hours (14-24; 7-48) in patients with PP (P=0.011). Of those diagnosed with PP, 22 (26%) did not reach urinary specific gravity >1.020 nor urine osmolality >800 mOsm/L. Urine AVP did not overlap between patients with PP and patients with central DI.The short WDT is of limited value in the diagnostic work-up of polydipsia and polyuria and a partial DI may have been missed in every fourth patient diagnosed with PP. Urinary AVP has excellent potential in discriminating PP from central DI.
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36.
  • Valassi, E., et al. (författare)
  • A polymorphism in the CYP17A1 gene influences the therapeutic response to steroidogenesis inhibitors in Cushing's syndrome
  • 2017
  • Ingår i: Clinical Endocrinology. - : Wiley. - 0300-0664. ; 87:5, s. 433-439
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Steroidogenesis inhibitors, such as ketoconazole (KTZ) and metyrapone (MTP), are used to lower hypercortisolism in patients with Cushing's syndrome (CS). Cortisol normalization is not reached in all patients taking these medications. Objective: To test the hypothesis that variants in genes affecting steroidogenesis contribute to different responses to KTZ and/or MTP in patients with CS. Patients and methods: Fifty-four CS patients (46 women; mean [SD] age, 39.712.7; 83% with Cushing's disease [CD] and 17% with an adrenal adenoma) preoperatively treated with KTZ (20%), MTP (37%) or a combination of both (43%). Thirty-nine of these (72%) were described in a previous study investigating the outcome of preoperative treatment with KTZ or MTP in CS patients. Following single-nucleotide polymorphisms (SNPs) were analysed: rs6410 (CYP11B1 gene), rs1799998 and rs4546 (CYP11B2 gene), and rs6163 (CYP17A1 gene). The associations between SNPs and cortisol levels at the end of medical treatment were evaluated. Results: Normalization of urinary free cortisol (UFC) was achieved in 50% of patients after 5months of treatment. Patients carrying the CC genotype of SNP rs6163 were more likely to be controlled than AC/AA (OR 0.25 [95%CI, 0.075-0.88]; P=.031). When only patients reaching eucortisolism after medical treatment were analysed, median interquartile range (IQR) duration of treatment was shorter in patients carrying the CC genotype of SNP rs6163 as compared to AA/AC carriers (4 [4.57]months vs 5.2 [6.1]months; P=.026). Conclusions: A polymorphism in the CYP17A1 gene was associated with the response to steroidogenesis inhibitors in CS. Genetic differences in the steroidogenic enzymes might account for inter-individual variations in the responsiveness to adrenal-blocking agents.
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37.
  • Valassi, E., et al. (författare)
  • Worse Health-Related Quality of Life at long-term follow-up in patients with Cushing's disease than patients with cortisol producing adenoma. Data from the ERCUSYN
  • 2018
  • Ingår i: Clinical Endocrinology. - : Wiley. - 0300-0664. ; 88:6, s. 787-798
  • Tidskriftsartikel (refereegranskat)abstract
    • ObjectiveHypercortisolism in Cushing's syndrome (CS) is associated with impaired health-related quality of life (HRQoL), which may persist despite remission. We used the data entered into the European Registry on Cushing's syndrome (ERCUSYN) to evaluate if patients with CS of pituitary origin (PIT-CS) have worse HRQoL, both before and after treatment than patients with adrenal causes (ADR-CS). MethodsData from 595 patients (492 women; 83%) who completed the CushingQoL and/or EQ-5D questionnaires at baseline and/or following treatment were analysed. ResultsAt baseline, HRQoL did not differ between PIT-CS (n=293) and ADR-CS (n=120) on both EuroQoL and CushingQoL. Total CushingQoL score in PIT-CS and ADR-CS was 4118 and 44 +/- 20, respectively (P=.7). At long-time follow-up (>1year after treatment) total CushingQoL score was however lower in PIT-CS than ADR-CS (56 +/- 20 vs 62 +/- 23; P=.045). In a regression analysis, after adjustment for baseline age, gender, remission status, duration of active CS, glucocorticoid dependency and follow-up time, no association was observed between aetiology and HRQoL. Remission was associated with better total CushingQoL score (P<.001), and older age at diagnosis with worse total score (P=.01). Depression at diagnosis was associated with worse total CushingQoL score at the last follow-up (P<.001). ConclusionPIT-CS patients had poorer HRQoL than ADR-CS at long-term follow-up, despite similar baseline scoring. After adjusting for remission status, no interaetiology differences in HRQoL scoring were found. Age and presence of depression at diagnosis of CS may be potential predictors of worse HRQoL regardless of CS aetiology.
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38.
  • Vouzouneraki, Konstantina, et al. (författare)
  • Temporal relationship of sleep apnea and acromegaly: a nationwide study
  • 2018
  • Ingår i: Endocrine. - : Springer Science and Business Media LLC. - 1355-008X .- 1559-0100. ; 62:2, s. 456-463
  • Tidskriftsartikel (refereegranskat)abstract
    • PurposePatients with acromegaly have an increased risk of sleep apnea, but reported prevalence rates vary largely. Here we aimed to evaluate the sleep apnea prevalence in a large national cohort of patients with acromegaly, to examine possible risk factors, and to assess the proportion of patients diagnosed with sleep apnea prior to acromegaly diagnosis.MethodsCross-sectional multicenter study of 259 Swedish patients with acromegaly. At patients' follow-up visits at the endocrine outpatient clinics of all seven university hospitals in Sweden, questionnaires were completed to assess previous sleep apnea diagnosis and treatment, cardiovascular diseases, smoking habits, anthropometric data, and S-IGF-1 levels. Daytime sleepiness was evaluated using the Epworth Sleepiness Scale. Patients suspected to have undiagnosed sleep apnea were referred for sleep apnea investigations.ResultsOf the 259 participants, 75 (29%) were diagnosed with sleep apnea before the study start. In 43 (57%) of these patients, sleep apnea had been diagnosed before the diagnosis of acromegaly. After clinical assessment and sleep studies, sleep apnea was diagnosed in an additional 20 patients, yielding a total sleep apnea prevalence of 37%. Higher sleep apnea risk was associated with higher BMI, waist circumference, and index finger circumference. Sleep apnea was more frequent among patients with S-IGF-1 levels in the highest quartile.ConclusionSleep apnea is common among patients with acromegaly, and is often diagnosed prior to their acromegaly diagnosis. These results support early screening for sleep apnea in patients with acromegaly and awareness for acromegaly in patients with sleep apnea.
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39.
  • Wengander, Sofie, et al. (författare)
  • The incidence of endogenous Cushing's syndrome in the modern era
  • 2019
  • Ingår i: Clinical Endocrinology. - : Wiley. - 0300-0664 .- 1365-2265. ; 91:2, s. 263-270
  • Tidskriftsartikel (refereegranskat)abstract
    • IntroductionEpidemiological studies on the incidence of Cushing's syndrome (CS) are few and most often includes only patients with the most common form, that is Cushing's disease (CD). ObjectiveTo analyse the incidence of endogenous CS in an unselected cohort of patients from western Sweden between 2002 and 2017. MethodsMedical records from patients who had received a diagnostic code for CS and adrenocortical carcinoma in the Vastra Gotaland County between 2002 and 2017 were reviewed. Eighty-two patients had been diagnosed with endogenous CS in the region during the study period and were included in this analysis. ResultsThirty-nine patients (48%) had CD, 21 (26%) had ectopic ACTH-producing tumour, 17 (21%) had a benign adrenal CS, and 5 (6%) had cortisol-producing adrenocortical carcinoma. Nine of 21 (43%) patients with ectopic CS had an ACTH-producing lung tumour, 4 had a neuroendocrine pancreas tumour, and 5 had an occult tumour. The annual incidence of endogenous CS was 3.2 cases per million/y; 1.5 for CD, 0.8 for ectopic CS, 0.7 for benign adrenal CS and 0.2 for adrenocortical carcinoma. ConclusionsApproximately three new cases of endogenous CS, per one million inhabitants, were diagnosed annually between 2002 and 2017. Compared with previous reports, proportionally more patients had ectopic CS. The reason for this is unclear although increased awareness of hypercortisolism in patients with malignant tumours in the modern era is a possible explanation.
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