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Sökning: WFRF:(Johannsson Gudmundur) > (2020-2022)

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1.
  • Andersson, Agnes, et al. (författare)
  • Headache Before and After Endoscopic Transsphenoidal Pituitary Tumor Surgery: A Prospective Study
  • 2022
  • Ingår i: Journal of Neurological Surgery Part B-Skull Base. - : Georg Thieme Verlag KG. - 2193-6331 .- 2193-634X. ; 83:suppl. 2
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective Headache is a common symptom among patients with pituitary tumors, as it is in the general population. The aim of the study was to investigate headache as a symptom in patients with pituitary tumors before and 6 months after endoscopic transsphenoidal surgery (TSS). Design This is a prospective observational cohort study. Setting This study was conducted at university tertiary referral hospital. Participants A total of 110 adult patients underwent endoscopic TSS for pituitary tumors. Main Outcome Measures The Migraine Disability Assessment (MIDAS) questionnaire was used before and 6 months after surgery for the assessment of headache. Clinical variables with potential influence on headache were analyzed. Results Sixty-eight (62%) patients experienced headaches at least once during the 3 months before surgery. Thirty (27%) patients reported disabling headache before surgery, with younger age being an independent associated factor ( p <0.001). In patients with disabling headache before surgery, the median (interquartile range) MIDAS score improved from 78 (27-168) to 16 (2-145; p =0.049), headache frequency decreased from 45 (20-81) to 14 (4-35) days ( p =0.009), and headache intensity decreased from 6 (5-8) to 5 (4-7) ( p =0.011) after surgery. In total, 16 of the 30 (53%) patients reported a clinically relevant improvement and five (17%) a clinically relevant worsening. Four (5%) patients developed new disabling headache. No predictor for postoperative improvement of headache was identified. Conclusion In this prospective study, the results show that disabling headache improves following endoscopic TSS in a subset of patients with pituitary tumors. However, no predictive factors for improvement could be identified.
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2.
  • Boguszewski, M. C. S., et al. (författare)
  • Safety of growth hormone (GH) treatment in GH deficient children and adults treated for cancer and non-malignant intracranial tumors-a review of research and clinical practice
  • 2021
  • Ingår i: Pituitary. - : Springer Science and Business Media LLC. - 1386-341X .- 1573-7403. ; 24:5, s. 810-827
  • Tidskriftsartikel (refereegranskat)abstract
    • Individuals surviving cancer and brain tumors may experience growth hormone (GH) deficiency as a result of tumor growth, surgical resection and/or radiotherapy involving the hypothalamic-pituitary region. Given the pro-mitogenic and anti-apoptotic properties of GH and insulin-like growth factor-I, the safety of GH replacement in this population has raised hypothetical safety concerns that have been debated for decades. Data from multicenter studies with extended follow-up have generally not found significant associations between GH replacement and cancer recurrence or mortality from cancer among childhood cancer survivors. Potential associations with secondary neoplasms, especially solid tumors, have been reported, although this risk appears to decline with longer follow-up. Data from survivors of pediatric or adult cancers who are treated with GH during adulthood are scarce, and the risk versus benefit profile of GH replacement of this population remains unclear. Studies pertaining to the safety of GH replacement in individuals treated for nonmalignant brain tumors, including craniopharyngioma and non-functioning pituitary adenoma, have generally been reassuring with regards to the risk of tumor recurrence. The present review offers a summary of the most current medical literature regarding GH treatment of patients who have survived cancer and brain tumors, with the emphasis on areas where active research is required and where consensus on clinical practice is lacking.
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3.
  • Boguszewski, M. C. S., et al. (författare)
  • Safety of growth hormone replacement in survivors of cancer and intracranial and pituitary tumours: a consensus statement
  • 2022
  • Ingår i: European Journal of Endocrinology. - : Oxford University Press (OUP). - 0804-4643 .- 1479-683X. ; 186:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Growth hormone (GH) has been used for over 35 years, and its safety and efficacy has been studied extensively. Experimental studies showing the permissive role of GH/insulin-like growth factor 1 (IGF-I) in carcinogenesis have raised concerns regarding the safety of GH replacement in children and adults who have received treatment for cancer and those with intracranial and pituitary tumours. A consensus statement was produced to guide decision-making on GH replacement in children and adult survivors of cancer, in those treated for intracranial and pituitary tumours and in patients with increased cancer risk. With the support of the European Society of Endocrinology, the Growth Hormone Research Society convened a Workshop, where 55 international key opinion leaders representing 10 professional societies were invited to participate. This consensus statement utilized: (1) a critical review paper produced before the Workshop, (2) five plenary talks, (3) evidence-based comments from four breakout groups, and (4) discussions during report-back sessions. Current evidence reviewed from the proceedings from the Workshop does not support an association between GH replacement and primary tumour or cancer recurrence. The effect of GH replacement on secondary neoplasia risk is minor compared to host- and tumour treatment-related factors. There is no evidence for an association between GH replacement and increased mortality from cancer amongst GH-deficient childhood cancer survivors. Patients with pituitary tumour or craniopharyngioma remnants receiving GH replacement do not need to be treated or monitored differently than those not receiving GH. GH replacement might be considered in GH-deficient adult cancer survivors in remission after careful individual risk/benefit analysis. In children with cancer predisposition syndromes, GH treatment is generally contraindicated but may be considered cautiously in select patients.
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4.
  • Chantzichristos, Dimitrios, 1976, et al. (författare)
  • Identification of human glucocorticoid response markers using integrated multi-omic analysis from a randomized crossover trial.
  • 2021
  • Ingår i: eLife. - 2050-084X. ; 10
  • Tidskriftsartikel (refereegranskat)abstract
    • Glucocorticoids are among the most commonly prescribed drugs, but there is no biomarker that can quantify their action. The aim of the study was to identify and validate circulating biomarkers of glucocorticoid action.In a randomized, crossover, single-blind, discovery study, 10 subjects with primary adrenal insufficiency (and no other endocrinopathies) were admitted at the in-patient clinic and studied during physiological glucocorticoid exposure and withdrawal. A randomization plan before the first intervention was used. Besides mild physical and/or mental fatigue and salt craving, no serious adverse events were observed. The transcriptome in peripheral blood mononuclear cells and adipose tissue, plasma miRNAomic, and serum metabolomics were compared between the interventions using integrated multi-omic analysis.We identified a transcriptomic profile derived from two tissues and a multi-omic cluster, both predictive of glucocorticoid exposure. A microRNA (miR-122-5p) that was correlated with genes and metabolites regulated by glucocorticoid exposure was identified (p=0.009) and replicated in independent studies with varying glucocorticoid exposure (0.01 ≤ p≤0.05).We have generated results that construct the basis for successful discovery of biomarker(s) to measure effects of glucocorticoids, allowing strategies to individualize and optimize glucocorticoid therapy, and shedding light on disease etiology related to unphysiological glucocorticoid exposure, such as in cardiovascular disease and obesity.The Swedish Research Council (Grant 2015-02561 and 2019-01112); The Swedish federal government under the LUA/ALF agreement (Grant ALFGBG-719531); The Swedish Endocrinology Association; The Gothenburg Medical Society; Wellcome Trust; The Medical Research Council, UK; The Chief Scientist Office, UK; The Eva Madura's Foundation; The Research Foundation of Copenhagen University Hospital; and The Danish Rheumatism Association.NCT02152553.
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5.
  • Chantzichristos, Dimitrios, 1976, et al. (författare)
  • MANAGEMENT OF ENDOCRINE DISEASE: Disease burden and treatment challenges in patients with both Addison's disease and type 1 diabetes mellitus.
  • 2020
  • Ingår i: European journal of endocrinology. - 1479-683X. ; 183:1
  • Forskningsöversikt (refereegranskat)abstract
    • Concurrent type 1 diabetes (T1D) and Addison's disease (AD) is a rare combination of diseases and, in approximately one third of these patients, it is also combined with an autoimmune thyroid disease. Recently, it was shown that patients with both T1D and AD have a higher risk of premature death compared to patients with T1D alone, the most common causes of death being due to diabetic complications and cardiovascular disease. These patients receiving replacement therapies with both insulin and glucocorticoids face an increased risk of hypo- and hyperglycemia, and diabetic ketoacidosis, and have a higher risk of adrenal crisis than patients with AD alone. Treatment challenges include the opposing effects of insulin and glucocorticoids on glucose homeostasis, and the need to balance and synchronize these two treatments. The rarity of this disease combination may explain the paucity of data on outcome and specific treatment strategies in this patient group. Based on this review, we suggest management strategies for their insulin and glucocorticoid replacement therapies and indicate future areas of research.
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6.
  • De Groot, C. J., et al. (författare)
  • Clinical management of patients with genetic obesity during COVID-19 pandemic: position paper of the ESE Growth & Genetic Obesity COVID-19 Study Group and Rare Endo-ERN main thematic group on Growth and Obesity
  • 2021
  • Ingår i: Endocrine. - : Springer Science and Business Media LLC. - 1355-008X .- 1559-0100. ; 71, s. 653-662
  • Tidskriftsartikel (refereegranskat)abstract
    • This article aims to provide guidance on prevention and treatment of COVID-19 in patients with genetic obesity. Key principals of the management of patients with genetic obesity during COVID-19 pandemic for patients that have contracted COVID-19 are to be aware of: possible adrenal insufficiency (e.g., POMC deficiency, PWS); a more severe course in patients with concomitant immunodeficiency (e.g., LEP and LEPR deficiency), although defective leptin signalling could also be protective against the pro-inflammatory phenotype of COVID-19; disease severity being masked by insufficient awareness of symptoms in syndromic obesity patients with intellectual deficit (in particular PWS); to adjust medication dose to increased body size, preferably use dosing in m2; the high risk of malnutrition in patients with Sars-Cov2 infection, even in case of obesity. Key principals of the obesity management during the pandemic are to strive for optimal obesity management and a healthy lifestyle within the possibilities of the regulations to prevent weight (re)gain and to address anxiety within consultations, since prevalence of anxiety for COVID-19 is underestimated.
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7.
  • Dellenborg, Liselott (Lisen), 1966, et al. (författare)
  • Perspectives on Sexuality Among Patients with Hypopituitarism: Broadening the Medical Focus on Sexual Function to Include Sexual Wellbeing
  • 2020
  • Ingår i: Sexuality and Disability. - : Springer Science and Business Media LLC. - 0146-1044 .- 1573-6717. ; 38:3, s. 515-532
  • Tidskriftsartikel (refereegranskat)abstract
    • Hypopituitarism means a partial or complete inability to produce pituitary hormones, including those regulating gonadal function. The condition therefore leads to hormone deficiencies that may affect sexuality in various ways. This study aimed to explore patients' own experiences of hypopituitarism in relation to sexuality, and it is based on interviews with 19 men and women. A qualitative methodology inspired by Gadamer's philosophical hermeneutics was used. Analysis revealed that current healthcare practices, which focus primarily on sexual functioning, fail to address patients' existential concerns about loneliness, loving relationships and selfhood. Another important finding was that women felt that their sexual functioning and wellbeing tended to go unnoticed, while men said that healthcare professionals focused mainly on erectile function rather than problems with sexual wellbeing. Cultural and gender norms were apparent in these healthcare interactions, and proactive efforts to improve awareness is required in order to improve the quality of care provided to these patients. Healthcare professionals need time, space and support for reflection so that they may enhance their knowledge about the complexity of sexuality and discuss the results of research into hormone replacement in men and women. They also need support to develop critical awareness of how gendered norms about sexuality may negatively affect the care provided to persons with hypopituitarism.
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8.
  • Eggermann, T., et al. (författare)
  • Genetic testing in inherited endocrine disorders: joint position paper of the European reference network on rare endocrine conditions (Endo-ERN)
  • 2020
  • Ingår i: Orphanet Journal of Rare Diseases. - : Springer Science and Business Media LLC. - 1750-1172. ; 15:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Background With the development of molecular high-throughput assays (i.e. next generation sequencing), the knowledge on the contribution of genetic and epigenetic alterations to the etiology of inherited endocrine disorders has massively expanded. However, the rapid implementation of these new molecular tools in the diagnostic settings makes the interpretation of diagnostic data increasingly complex. Main body This joint paper of the ENDO-ERN members aims to overview chances, challenges, limitations and relevance of comprehensive genetic diagnostic testing in rare endocrine conditions in order to achieve an early molecular diagnosis. This early diagnosis of a genetically based endocrine disorder contributes to a precise management and helps the patients and their families in their self-determined planning of life. Furthermore, the identification of a causative (epi)genetic alteration allows an accurate prognosis of recurrence risks for family planning as the basis of genetic counselling. Asymptomatic carriers of pathogenic variants can be identified, and prenatal testing might be offered, where appropriate. Conclusions The decision on genetic testing in the diagnostic workup of endocrine disorders should be based on their appropriateness to reliably detect the disease-causing and -modifying mutation, their informational value, and cost-effectiveness. The future assessment of data from differentomicapproaches should be embedded in interdisciplinary discussions using all available clinical and molecular data.
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9.
  • Eggermann, Thomas, et al. (författare)
  • Growth Restriction and Genomic Imprinting-Overlapping Phenotypes Support the Concept of an Imprinting Network
  • 2021
  • Ingår i: Genes. - : MDPI AG. - 2073-4425. ; 12:4
  • Forskningsöversikt (refereegranskat)abstract
    • Intrauterine and postnatal growth disturbances are major clinical features of imprinting disorders, a molecularly defined group of congenital syndromes caused by molecular alterations affecting parentally imprinted genes. These genes are expressed monoallelically and in a parent-of-origin manner, and they have an impact on human growth and development. In fact, several genes with an exclusive expression from the paternal allele have been shown to promote foetal growth, whereas maternally expressed genes suppress it. The evolution of this correlation might be explained by the different interests of the maternal and paternal genomes, aiming for the conservation of maternal resources for multiple offspring versus extracting maximal maternal resources. Since not all imprinted genes in higher mammals show the same imprinting pattern in different species, the findings from animal models are not always transferable to human. Therefore, human imprinting disorders might serve as models to understand the complex regulation and interaction of imprinted loci. This knowledge is a prerequisite for the development of precise diagnostic tools and therapeutic strategies for patients affected by imprinting disorders. In this review we will specifically overview the current knowledge on imprinting disorders associated with growth retardation, and its increasing relevance in a personalised medicine direction and the need for a multidisciplinary therapeutic approach.
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10.
  • Einarsdottir, Margret, et al. (författare)
  • High Mortality Rate in Oral Glucocorticoid Users: A Population-Based Matched Cohort Study
  • 2022
  • Ingår i: Frontiers in Endocrinology. - : Frontiers Media SA. - 1664-2392. ; 13
  • Tidskriftsartikel (refereegranskat)abstract
    • ObjectiveThe aim of the study was to investigate all-cause and disease-specific mortality in a large population-based cohort of oral glucocorticoid (GC) users. MethodsThis was a retrospective, matched cohort study. Information on dispensed prescriptions was obtained from the Swedish Prescribed Drug Register. The cause of death was obtained from the Swedish Cause-of-Death Registry. Patients receiving prednisolone >= 5 mg/day (or equivalent dose of other GC) for >= 21 days between 2007-2014 were included. For each patient, one control subject matched for age and sex was included. The study period was divided into 3-month periods and patients were divided into groups according to a defined daily dose (DDD) of GC used per day. The groups were: Non-users (0 DDD per day), low-dose users (>0 but <0.5 DDD per day), medium-dose users (0.5-1.5 DDD per day) and high-dose users (>1.5 DDD per day). Hazard ratios (HRs), unadjusted and adjusted for age, sex and comorbidities, were calculated using a time-dependent Cox proportional hazard model. ResultsCases (n=223 211) had significantly higher all-cause mortality compared to controls (HR adjusted for age, sex and comorbidities 2.08, 95% confidence interval 2.04 to 2.13). After dividing the cases into subgroups, adjusted HR was 1.31 (1.28 to 1.34) in non-users, 3.64 (3.51 to 3.77) in low-dose users, 5.43 (5.27 to 5.60) in medium-dose users and, 5.12 (4.84 to 5.42) in high-dose users. The highest adjusted hazard ratio was observed in high-dose users for deaths from sepsis 6.71 (5.12 to 8.81) and pulmonary embolism 7.83 (5.71 to 10.74). ConclusionOral GC users have an increased mortality rate compared to the background population, even after adjustment for comorbidities. High-dose users have an increased risk of dying from sepsis, and pulmonary embolism compared to controls. Whether the relationship between GC exposure and the excess mortality is causal remains to be elucidated.
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