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Sökning: WFRF:(Olsson Daniel S 1983 )

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1.
  • Ragnarsson, Oskar, 1971-, et al. (författare)
  • Overall and disease-specific mortality in patients with Cushing's disease: a Swedish nationwide study.
  • 2019
  • Ingår i: The Journal of clinical endocrinology and metabolism. - 1945-7197. ; 104:6
  • Tidskriftsartikel (refereegranskat)abstract
    • It is still a matter of debate whether patients with Cushing's disease (CD) in remission have increased mortality.To study overall and disease-specific mortality, and predictive factors, in an unselected nationwide cohort of patients with CD.A retrospective study on patients diagnosed with CD, identified in the Swedish National Patient Registry between 1987 and 2013. Medical records were systematically reviewed to verify the diagnosis. Standardised mortality ratios (SMRs) with 95% confidence intervals (CI) were calculated and Cox regression models were used to identify predictors of mortality.Five-hundred-and-two patients [387 women (77%)] with CD were identified, of whom 419 (83%) were confirmed to be in remission. Mean age at diagnosis was 43 years (SD 16) and median follow-up time was 13 years (IQR 6-23). The observed number of deaths was 133 versus 54 expected, resulting in an overall SMR of 2.5 (95% CI 2.1-2.9). The commonest cause of death was cardiovascular diseases [SMR 3.3 (95% CI 2.6 -4.3)]. Excess mortality was also found due to infections and suicides. SMR in patients in remission was 1.9 (95% CI 1.5-2.3), where bilateral adrenalectomy and glucocorticoid replacement therapy were independently associated with increased mortality whereas growth hormone replacement was associated with improved outcome.This large nationwide study shows that patients with CD have an excess mortality. The findings illustrate the importance of obtaining remission and continued active surveillance, along with adequate hormone replacement, and evaluation of cardiovascular risk and mental health.
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2.
  • Ragnarsson, Oskar, 1971-, et al. (författare)
  • The incidence of Cushing’s disease : : a nationwide Swedish study
  • 2019
  • Ingår i: Pituitary. - Springer. - 1386-341X. ; 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.
3.
  • Johannsson, Gudmundur, 1960-, et al. (författare)
  • Growth Hormone Research Society perspective on biomarkers of GH action in children and adults
  • 2018
  • Ingår i: Endocrine Connections. - 2049-3614. ; 7:3, s. R126-R134
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The Growth Hormone Research Society (GRS) convened a Workshop in 2017 to evaluate clinical endpoints, surrogate endpoints and biomarkers during GH treatment of children and adults and in patients with acromegaly. Participants: GRS invited 34 international experts including clinicians, basic scientists, a regulatory scientist and physicians from the pharmaceutical industry. Evidence: Current literature was reviewed and expert opinion was utilized to establish the state of the art and identify current gaps and unmet needs. Consensus process: Following plenary presentations, breakout groups discussed questions framed by the planning committee. The attendees re-convened after each breakout session to share the group reports. A writing team compiled the breakout session reports into a document that was subsequently discussed and revised by participants. This was edited further and circulated for final review after the meeting. Participants from pharmaceutical companies were not part of the writing process. Conclusions: The clinical endpoint in paediatric GH treatment is adult height with height velocity as a surrogate endpoint. Increased life expectancy is the ideal but unfeasible clinical endpoint of GH treatment in adult GH-deficient patients (GHDA) and in patients with acromegaly. The pragmatic clinical endpoints in GHDA include normalization of body composition and quality of life, whereas symptom relief and reversal of comorbidities are used in acromegaly. Serum IGF-I is widely used as a biomarker, even though it correlates weakly with clinical endpoints in GH treatment, whereas in acromegaly, normalization of IGF-I may be related to improvement in mortality. There is an unmet need for novel biomarkers that capture the pleiotropic actions of GH in relation to GH treatment and in patients with acromegaly.
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4.
  • van Santen, S. S., et al. (författare)
  • Fractures, Bone Mineral Density, and Final Height in Craniopharyngioma Patients with a Follow-up of 16 Years
  • 2020
  • Ingår i: Journal of Clinical Endocrinology & Metabolism. - 0021-972X. ; 105:4
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Pituitary hormonal deficiencies in patients with craniopharyngioma may impair their bone health. Objective: To investigate bone health in patients with craniopharyngioma. Design: Retrospective cross-sectional study. Setting: Dutch and Swedish referral centers. Patients: Patients with craniopharyngioma (n = 177) with available data on bone health after a median follow-up of 16 years (range, 1-62) were included (106 [60%] Dutch, 93 [53%] male, 84 [48%] childhood-onset disease). Main outcome measures: Fractures, dual X-ray absorptiometry-derived bone mineral density (BMD), and final height were evaluated. Low BMD was defined as T- or Z-score <=-1 and very low BMD as <=-2.5 or <=-2.0, respectively. Results: Fractures occurred in 31 patients (18%) and were more frequent in men than in women (26% vs. 8%, P = .002). Mean BMD was normal (Z-score total body 0.1 [range, -4.1 to 3.5]) but T- or Z-score <=-1 occurred in 47 (50%) patients and T-score <=-2.5 or Z-score <=-2.0 in 22 (24%) patients. Men received less often treatment for low BMD than women (7% vs. 18%, P = .02). Female sex (OR 0.3, P = .004) and surgery (odds ratio [OR], 0.2; P = .01) were both independent protective factors for fractures, whereas antiepileptic medication was a risk factor (OR, 3.6; P = .03), whereas T-score <=-2.5 or Z-score <=-2.0 was not (OR, 2.1; P = .21). Mean final height was normal and did not differ between men and women, or adulthood and childhood-onset patients. Conclusions: Men with craniopharyngioma are at higher risk than women for fractures. In patients with craniopharyngioma, a very low BMD (T-score <=-2.5 or Z-score <=-2.0) seems not to be a good predictor for fracture risk.
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5.
  • Lesén, Eva, et al. (författare)
  • Comorbidities, treatment patterns and cost-of-illness of acromegaly in Sweden: a register-linkage population-based study.
  • 2017
  • Ingår i: European journal of endocrinology. - 1479-683X. ; 176:2, s. 203-212
  • Tidskriftsartikel (refereegranskat)abstract
    • Acromegaly is a complex endocrine disease with multiple comorbidities. Treatment to obtain biochemical remission includes surgery, medical therapy and radiation. We aimed to describe comorbidities, treatment patterns and cost-of-illness in patients with acromegaly in Sweden.A nationwide population-based study.Patients with acromegaly were identified and followed in national registers in Sweden. Longitudinal treatment patterns were assessed in patients diagnosed between July 2005 and December 2013. The cost-of-illness during 2013 was estimated from a societal perspective among patients diagnosed between 1987 and 2013.Among 358 patients with acromegaly (48% men, mean age at diagnosis 50.0 (s.d. 15.3) years) at least one comorbidity was reported in 81% (n = 290). The most common comorbidities were hypertension (40%, n = 142), neoplasms outside the pituitary (30%, n = 109), hypopituitarism (22%, n = 80) and diabetes mellitus (17%, n = 61). Acromegaly treatment was initiated on average 3.7 (s.d. 6.9) months after diagnosis. Among the 301 treated patients, the most common first-line treatments were surgery (60%, n = 180), somatostatin analogues (21%, n = 64) and dopamine agonists (14%, n = 41). After primary surgery, 24% (n = 44) received somatostatin analogues. The annual per-patient cost was €12 000; this was €8700 and €16 000 if diagnosed before or after July 2005, respectively. The cost-of-illness for acromegaly and its comorbidities was 77% from direct costs and 23% from production loss.The prevalence of comorbidity is high in patients with acromegaly. The most common first-line treatment in acromegalic patients was surgery followed by somatostatin analogues. The annual per-patient cost of acromegaly and its comorbidities was €12 000.
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6.
  • Olsson, Daniel S, 1983-, et al. (författare)
  • Comparing progression of non-functioning pituitary adenomas in hypopituitarism patients with and without long-term GH replacement therapy.
  • 2009
  • Ingår i: European journal of endocrinology / European Federation of Endocrine Societies. - 1479-683X. ; 161:5, s. 663-9
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: An important safety issue with GH replacement therapy (GHRT) in hypopituitary patients with a history of a pituitary adenoma is the risk for tumour recurrence or enlargement. Design Case-control study. SUBJECTS AND METHODS: We studied tumour progression rate in 121 patients with hypopituitarism on the basis of non-functioning pituitary adenomas (NFPA) receiving long-term GHRT. A group of 114 NFPA patients not receiving GHRT who were matched in terms of duration of follow-up, gender, age, age at diagnosis and radiotherapy status were used as a control population. The average duration of GHRT was 10+/-4 years (range 2-17). RESULTS: In patients with a known residual adenoma, 63% had no detectable enlargement of tumour during the study. In patients who had no visible residual tumour prior to GHRT, 90% did not suffer from recurrence. In total, the 10-year tumour progression-free survival rate in patients with NFPA receiving GHRT was 74%. In the control population not receiving GHRT, the 10-year progression-free survival rate was 70%. Radiotherapy as part of the initial tumour treatment reduced the rate of tumour progression in both GHRT and non-GHRT patients to a similar extent. CONCLUSIONS: The rate of tumour progression was similar in this large group of GHRT patients and the control population not receiving GHRT. Our results provide further support that long-term use of GH replacement in hypopituitarism may be considered safe in patients with residual pituitary adenomas.
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7.
  • Papakokkinou, Eleni, et al. (författare)
  • Excess Morbidity Persists in Patients With Cushing's Disease During Long-term Remission : A Swedish Nationwide Study
  • 2020
  • Ingår i: The Journal of clinical endocrinology and metabolism. - Oxford University Press. - 1945-7197. ; 105:8
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: Whether multisystem morbidity in Cushing's disease (CD) remains elevated during long-term remission is still undetermined. OBJECTIVE: To investigate comorbidities in patients with CD. DESIGN, SETTING, AND PATIENTS: A retrospective, nationwide study of patients with CD identified in the Swedish National Patient Register between 1987 and 2013. Individual medical records were reviewed to verify diagnosis and remission status. MAIN OUTCOMES: Standardized incidence ratios (SIRs) with 95% confidence intervals (CIs) were calculated by using the Swedish general population as reference. Comorbidities were investigated during three different time periods: (i) during the 3 years before diagnosis, (ii) from diagnosis to 1 year after remission, and (iii) during long-term remission. RESULTS: We included 502 patients with confirmed CD, of whom 419 were in remission for a median of 10 (interquartile range 4 to 21) years. SIRs (95% CI) for myocardial infarction (4.4; 1.2 to 11.4), fractures (4.9; 2.7 to 8.3), and deep vein thrombosis (13.8; 3.8 to 35.3) were increased during the 3-year period before diagnosis. From diagnosis until 1 year after remission, SIRs (95% CI were increased for thromboembolism (18.3; 7.9 to 36.0), stroke (4.9; 1.3 to 12.5), and sepsis (13.6; 3.7 to 34.8). SIRs for thromboembolism (4.9; 2.6 to 8.4), stroke (3.1; 1.8 to 4.9), and sepsis (6.0; 3.1 to 10.6) remained increased during long-term remission. CONCLUSION: Patients with CD have an increased incidence of stroke, thromboembolism, and sepsis even after remission, emphasizing the importance of early identification and management of risk factors for these comorbidities during long-term follow-up.
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8.
  • Schilbach, K., et al. (författare)
  • Biomarkers of GH action in children and adults
  • 2018
  • Ingår i: Growth Hormone and IGF Research. - 1096-6374. ; 40, s. 1-8
  • Tidskriftsartikel (refereegranskat)abstract
    • Growth hormone (GH) and IGF-I levels in serum are used as biomarkers in the diagnosis and management of GH-related disorders but have not been subject to structured validation. Auxological parameters in children and changes in body composition in adults, as well as metabolic parameters and patient related outcomes are used as clinical and surrogate endpoints. New treatment options, such as long acting GH and GH antagonists, require reevaluation of the currently used biochemical biomarkers. This article will review biomarkers, surrogate endpoints and clinical endpoints related to GH treatment in children and adults as well as in acromegaly. © 2018 Elsevier Ltd
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9.
  • 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. ; 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 sellar 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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10.
  • van Santen, Selveta S, et al. (författare)
  • Body composition and bone mineral density in craniopharyngioma patients: a longitudinal study over 10 years.
  • 2020
  • Ingår i: The Journal of clinical endocrinology and metabolism. - 1945-7197.
  • Tidskriftsartikel (refereegranskat)abstract
    • Patients with craniopharyngioma suffer from obesity and impaired bone health. Little is known about longitudinal changes in body composition and bone mineral density (BMD).To describe body composition and BMD (change).Retrospective longitudinal study.Two Dutch/Swedish referral centers.Patients with craniopharyngioma (n=112) with a DXA-scan available [two DXA-scans, n=86; median Δtime 9.6 years (range 0.4-23.3)] at age ≥18 years [58 (52%) male, 50 (44%) childhood-onset].Longitudinal changes of body composition and BMD, and associated factors of ΔZ-score (sex and age standardized).BMI (from 28.8±4.9 to 31.2±5.2 kg/m 2, P<0.001), fat mass index (FMI) (from 10.5±3.6 to 11.9±3.8 kg/m 2, P=0.001) and fat free mass index (FFMI) (from 18.3±3.2 to 19.1±3.2 kg/m 2, P<0.001) were high at baseline and increased. Fat percentage and Z-scores of body composition did not increase, except for FFMI Z-scores (from 0.26±1.62 to 1.06±2.22, P<0.001). Z-scores of total body, L2-L4, femur neck increased (mean difference 0.66±1.00, P<0.001; 0.78±1.63, P<0.001; 0.51±1.85, P=0.02). Linear regression models for ΔZ-score were positively associated with growth hormone replacement therapy (GHRT) [femur neck: beta 1.45 (95% CI 0.51-2.39)]; and negatively with radiotherapy [femur neck: beta -0.79 (-1.49--0.09)], glucocorticoid dose [total body: beta -0.06 (-0.09--0.02)]) and medication to improve BMD [L2-L4: beta -1.06 (-1.84--0.28)]).Z-scores of BMI, fat percentage and FMI remained stable in patients with craniopharyngioma over time, while Z-scores of FFMI and BMD increased. Higher glucocorticoid dose and radiotherapy were associated with BMD loss and GHRT with increase.
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