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Sökning: WFRF:(Karlsson FA)

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1.
  • Abraham-Nordling, Mirna, et al. (författare)
  • Incidence of Hyperthyroidism in Sweden.
  • 2011
  • Ingår i: European journal of endocrinology. - : Society of the European Journal of Endocrinology. - 1479-683X .- 0804-4643. ; 165, s. 899-905
  • Tidskriftsartikel (refereegranskat)abstract
    • AbstractIntroduction: The incidence of hyperthyroidism has been reported in various countries to be 23 - 93/100 000 inhabitants/year. This extended study has evaluated the incidence for approximately 40% of the Swedish population of 9 million inhabitants. Sweden is considered iodine sufficient.Methods: All patients including children, who were newly diagnosed with overt hyperthyroidism in the years 2003-2005, were prospectively registered in a multicenter study. Inclusion criteria: clinical symptoms and/or signs of hyperthyroidism with plasma TSH concentration below < 0.2 mIE/l, increased plasma levels of free/total T3 and/or free/total T4. Patients with relapse of hyperthyroidism or thyroiditis were not included. The diagnosis Graves' disease (GD), toxic multinodular goiter (TMNG) and solitary toxic adenoma (STA), smoking, initial treatment, occurrence of thyroid associated eye symptoms/-signs and demographic data were registered.Results: 2916 patients were diagnosed with de novo hyperthyroidism giving the total incidence of 27.6 / 100000 inhabitants/year. The incidence of GD was 21.0/100000 and toxic nodular goiter (TNG=STA + TMNG) occurred in 692 patients, corresponding to an annual incidence of 6.5 /100 000. The incidence was higher in women compared to men (4.2:1). 75% of the patients were diagnosed as GD, in whom thyroid associated eye symptoms/-signs occurred at diagnosis in every fifth patient. Geographical differences were observed. Conclusion: The incidence of hyperthyroidism in Sweden is in a lower range compared to international reports. Patients with hyperthyroidism had GD in 75% and 20% of them had thyroid associated eye symptoms/-signs at diagnosis. The observed geographical differences require further studies.
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2.
  • Burman, P., et al. (författare)
  • Deaths Among Adult Patients With Hypopituitarism: Hypocortisolism During Acute Stress, and De Novo Malignant Brain Tumors Contribute to an Increased Mortality
  • 2013
  • Ingår i: Journal of Clinical Endocrinology & Metabolism. - : Endocrine Society. - 0021-972X .- 1945-7197. ; 98:4, s. 1466-1475
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Patients with hypopituitarism have an increased standardized mortality rate. The basis for Objective: To investigate in detail the cause of death in a large cohort of patients with hypopituitarism Design and Methods: All-cause and cause-specific mortality in 1286 Swedish patients with Main Outcome Measures: Standardized mortality ratios (SMR) were calculated, with stratification for Results: An excess mortality was found, 120 deaths vs 84.3 expected, SMR 1.42 (95% confidence Conclusion: Two important causes of excess mortality were identified: first, adrenal crisis in response
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3.
  • Scholin, A, et al. (författare)
  • Proinsulin/C-peptide ratio, glucagon and remission in new-onset Type 1 diabetes mellitus in young adults
  • 2011
  • Ingår i: DIABETIC MEDICINE. - : Wiley-Blackwell. - 0742-3071 .- 1464-5491. ; 28:2, s. 156-161
  • Tidskriftsartikel (refereegranskat)abstract
    • Pandgt;Aims After initiation of treatment in Type 1 diabetes, a period with lower insulin requirement often follows, reflecting increased insulin sensitivity and improved insulin secretion. We explored if efficiency of proinsulin processing is associated with the remission phenomenon. Methods Seventy-eight patients with new-onset Type 1 diabetes were followed prospectively for 3 years. Daily insulin dosage, HbA(1c), plasma glucose, proinsulin, C-peptide, glucagon concentrations and islet antibodies were determined at diagnosis and after 3, 6, 9, 12, 18, 24, 30 and 36 months. We studied remission, defined as an insulin dose andlt; 0.3 U kg-1 24 h-1 and HbA(1c) within the normal range, in relation to the above-mentioned variables. Results A rise and subsequent decline in plasma proinsulin and C-peptide concentrations was observed. Forty-five per cent of the patients experienced remission at one or more times, characterized by higher proinsulin and C-peptide levels, and lower proinsulin/C-peptide ratios, indicating more efficient proinsulin processing, compared with those not in remission. Non-remission also tended to be associated with higher glucagon values. Patients entering remission were more often men, had higher BMI at diagnosis, but did not differ at baseline with respect to islet antibody titres compared with patients with no remission. Conclusions Remissions after diagnosis of Type 1 diabetes were associated with lower proinsulin/C-peptide ratios, suggesting more efficient proinsulin processing, and tended to have lower glucagon release than non-remissions. This indicates that, in remission, the residual islets maintain a secretion of insulin and glucagon of benefit for control of hepatic glucose production.
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4.
  • Schölin, Anna, et al. (författare)
  • Normal weight promotes remission and low number of islet antibodies prolong the duration of remission in Type 1 diabetes
  • 2004
  • Ingår i: Diabetic Medicine. - : Wiley-Blackwell. - 0742-3071 .- 1464-5491. ; 21:5, s. 447-455
  • Tidskriftsartikel (övrigt vetenskapligt)abstract
    • Aim To identify clinical, immunological and biochemical factors that predict remission, and its duration in a large cohort of young adults with Type 1 diabetes mellitus (DM).Methods In Sweden, 362 patients (15–34 years), classified as Type 1 DM were included in a prospective, nation-wide population-based study. All patients were followed at local hospitals for examination of HbA1c and insulin dosage over a median period after diagnosis of 5 years. Duration of remission, defined as an insulin maintenance dose ≤ 0.3 U/kg/24 h and HbA1c within the normal range, was analysed in relation to characteristics at diagnosis.Results Remissions were seen in 43% of the patients with a median duration of 8 months (range 1–73). Sixteen per cent had a remission with a duration > 12 months. Among patients with antibodies (ab+), bivariate analysis suggested that adult age, absence of low BMI, high plasma C-peptide concentrations, lack of ketonuria or ketoacidosis at diagnosis and low insulin dose at discharge from hospital were associated with a high possibility of achieving remission. Multiple regression showed that normal weight (BMI of 20–24.9 kg/m2) was the only factor that remained significant for the possibility of entering remission. In survival analysis among ab+ remitters, a low number of islet antibodies, one or two instead of three or four, were associated with a long duration of remissions.Conclusion In islet antibody-positive Type 1 DM, normal body weight was the strongest factor for entering remission, whilst a low number of islet antibodies was of importance for the duration.
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5.
  • Burman, P., et al. (författare)
  • Deaths among adult patients with hypopituitarism : hypocortisolism during acute stress, and de novo malignant brain tumors contribute to an increased mortality
  • 2013
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - 0021-972X .- 1945-7197. ; 98:4, s. 1466-1475
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Patients with hypopituitarism have an increased standardized mortality rate. The basis for this has not been fully clarified.Objective: To investigate in detail the cause of death in a large cohort of patients with hypopituitarism subjected to long-term follow-up.Design and Methods: All-cause and cause-specific mortality in 1286 Swedish patients with hypopituitarism prospectively monitored in KIMS (Pfizer International Metabolic Database) 1995-2009 were compared to general population data in the Swedish National Cause of Death Registry. In addition, events reported in KIMS, medical records, and postmortem reports were reviewed.Main Outcome Measures: Standardized mortality ratios (SMR) were calculated, with stratification for gender, attained age, and calendar year during follow-up.Results: An excess mortality was found, 120 deaths vs 84.3 expected, SMR 1.42 (95% confidence interval: 1.18-1.70). Infections, brain cancer, and sudden death were associated with significantly increased SMRs (6.32, 9.40, and 4.10, respectively). Fifteen patients, all ACTH-deficient, died from infections. Eight of these patients were considered to be in a state of adrenal crisis in connection with death (medical reports and post-mortem examinations). Another 8 patients died from de novo malignant brain tumors, 6 of which had had a benign pituitary lesion at baseline. Six of these 8 subjects had received prior radiation therapy.Conclusion: Two important causes of excess mortality were identified: first, adrenal crisis in response to acute stress and intercurrent illness; second, increased risk of a late appearance of de novo malignant brain tumors in patients who previously received radiotherapy. Both of these causes may be in part preventable by changes in the management of pituitary disease.
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6.
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7.
  • Jensen, Richard A., et al. (författare)
  • Multiple factors affect the loss of measurable C-peptide over 6 years in newly diagnosed 15- to 35-year-old diabetic subjects
  • 2007
  • Ingår i: Journal of Diabetes and its Complications. - : Elsevier. - 1873-460X .- 1056-8727. ; 21:4, s. 205-213
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The aim of this study is to identify risk factors for the loss of measurable plasma C-peptide in newly diagnosed 15- to 35-year-old diabetic subjects. Methods: This Swedish study included 778 subjects. C-peptide levels were obtained each year for 6 years after diagnosis. Loss of measurable C-peptide was defined as a level at or below the lower detection limit of the local assay (0.13 nmol/1). In addition to C-peptide, other baseline covariates included gender, age, body mass index, HLA genotype, and autoantibody levels. Results: Compared with autoantibody-negative subjects, autoantibody-positive subjects had lower median baseline C-peptide (0.27 vs. 0.50, P<.001), their levels declined over the study period, and the risk of losing measurable C-peptide was significantly higher when more than one autoantibody was present [odds ratio (OR), 4.0; 95% confidence interval (CI), 2.13-7.54]. Among autoantibody-positive individuals, the presence of GAD65Ab (OR, 1.8; 95% CI, 1.24-2.51) and islet cell antibodies (OR, 1.6; 95% CI, 1.19-2.18) conferred a higher risk for loss of measurable C-peptide.as did female gender (OR, 1.6; 95% CI, 1.17-2.11) and time after diagnosis (OR, 1.5 for each additional year postdiagnosis; 95% CI, 1.41-1.57). Higher baseline C-peptide levels were protective (OR, 0.5 for each additional log, nanomoles per liter; 95% CI, 0.36-0.58). Conclusions: This study identified autoantibody status, gender, and baseline C-peptide levels as factors that will be useful for predicting the disease course of 15- to 35-year-old diabetic individuals. (C) 2007 Elsevier Inc. All rights reserved.
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8.
  • Johannsson, Gudmundur, 1960, et al. (författare)
  • Low dose dehydroepiandrosterone affects behavior in hypopituitary androgen-deficient women: a placebo-controlled trial.
  • 2002
  • Ingår i: The Journal of clinical endocrinology and metabolism. - 0021-972X. ; 87:5, s. 2046-52
  • Tidskriftsartikel (refereegranskat)abstract
    • Thirty-eight women, aged 25-65 yr, with androgen deficiency due to hypopituitarism were treated with oral dehydroepiandrosterone (DHEA; 30 mg/d if <45 yr of age and 20 mg if > or =45 yr of age) for 6 months in a randomized, placebo-controlled, double blind study, followed by a 6-month open treatment period. The administration of DHEA raised the serum levels of DHEAS to normal age-related reference ranges and increased androstenedione and T to subnormal levels. Androgen effects on skin and/or pubic and/or axillary hair were observed in 84% (32 of 38) of the women after all received 6 months of DHEA treatment. No such effects were observed after the placebo treatment. These effects after 6 months were correlated with the serum levels of DHEAS (r = 0.37; P = 0.03), androstenedione (r = 0.42; P = 0.01), and T (r = 0.37; P = 0.03). The percentages of partners who reported improved alertness, stamina, and initiative by their spouses were 70%, 64%, and 55%, respectively, in the DHEA group and 11%, 6%, and 11%, respectively, in the placebo group (P < 0.05). According to the partners, sexual relations tended to improve compared with placebo (P = 0.06). After 6 months of treatment, increased sexual interest or activity was reported by 50% of the women taking 30 mg DHEA, by none taking 20 mg DHEA, and by two women taking placebo (P = NS). Compared with levels after placebo administration, high density lipoprotein cholesterol and apolipoprotein A-1 levels decreased after DHEA. Serum concentrations of IGF-I, serum markers of bone metabolism, and bone density did not change. In conclusion, oral administration of a low dose of DHEA to adult hypopituitary women induced androgen effects on skin and axillary and pubic hair as well as changes in behavior, with only minor effects on metabolism.
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9.
  • Johansson, Hans-Erik, 1960-, et al. (författare)
  • Energy restriction in obese women suggest linear reduction of hepatic fat content and time-dependent metabolic improvements
  • 2019
  • Ingår i: Nutrition & Diabetes. - 2044-4052 .- 2044-4052. ; 9:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Energy restriction reduces liver fat, improves hepatic insulin resistance and lipid metabolism. However, temporal data in which these metabolic improvements occur and their interplay is incomplete. By performing repeated MRI scans and blood analysis at day 0, 3, 7, 14 and 28 the temporal changes in liver fat and related metabolic factors were assessed at five times during a low-calorie diet (LCD, 800-1100 kcal/day) in ten obese non-diabetic women (BMI 41.7 ± 2.6 kg/m2) whereof 6 had NAFLD. Mean weight loss was 7.4 ± 1.2 kg (0.7 kg/day) and liver fat decreased by 51 ± 16%, resulting in only three subjects having NAFLD at day 28. Marked alteration of insulin, NEFA, ALT and 3-hydroxybuturate was evident 3 days after commencing LCD, whereas liver fat showed a moderate but a linear reduction across the 28 days. Other circulating-liver fat markers (e.g. triglycerides, adiponectin, stearoyl-CoA desaturase-1 index, fibroblast growth factor 21) demonstrated modest and variable changes. Marked elevations of NEFA, 3-hydroxybuturate and ALT concentrations occurred until day 14, likely reflecting increased tissue lipolysis, fat oxidation and upregulated hepatic fatty acid oxidation. In summary, these results suggest linear reduction in liver fat, time-specific changes in metabolic markers and insulin resistance in response to energy restriction.
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10.
  • Nordmark, Gunnel, et al. (författare)
  • Effects of Dehydroepiandrosterone Supplement on Health-related Quality of Life in Glucocorticoid Treated Female Patients with Systemic Lupus Erythematosus
  • 2005
  • Ingår i: Autoimmunity. - : Taylor & Francis. - 0891-6934 .- 1607-842X. ; 38:7, s. 531-540
  • Tidskriftsartikel (refereegranskat)abstract
    • The objective of this study was to evaluate the efficacy of low dose dehydroepiandrosterone (DHEA) on health-related quality of life (HRQOL) in glucocorticoid treated female patients with systemic lupus erythematosus (SLE). Forty one women ( >or= 5 mg prednisolone/day) were included in a double-blind, randomized, placebo-controlled study for 6 months where DHEA was given at 30 mg/20 mg ( or= 46 years) daily, or placebo, followed by 6 months open DHEA treatment to all patients. HRQOL was assessed at baseline, 6 and 12 months, using four validated questionnaires and the patients' partners completed a questionnaire assessing mood and behaviour at 6 months. DHEA treatment increased serum levels of sulphated DHEA from subnormal to normal. The DHEA group improved in SF-36 "role emotional" and HSCL-56 total score (both p<0.05). During open DHEA treatment, the former placebo group improved in SF-36 "mental health" (p<0.05) with a tendency for improvement in HSCL-56 total score (p=0.10). Both groups improved in McCoy's Sex Scale during active treatment (p<0.05). DHEA replacement decreased high-density lipoprotein (HDL) cholesterol and increased insulin-like growth factor I (IGF-I) and haematocrit. There were no effects on bone density or disease activity and no serious adverse events. Side effects were mild. We conclude that low dose DHEA treatment improves HRQOL with regard to mental well-being and sexuality and can be offered to women with SLE where mental distress and/or impaired sexuality constitutes a problem.
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  • Resultat 1-10 av 75
  • [1]234567...8Nästa

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