Publications by authors named "Dagbjoerg Sigurdardottir"

Topical steroid withdrawal (TSW) is described as an adverse reaction to topical glucocorticoids (TGCs). A pathophysiological mechanism has not been identified. There are no diagnostic criteria.

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Monoclonal gammopathy of undetermined significance (MGUS) is the asymptomatic precursor of multiple myeloma and related diseases but has also been associated with thrombosis. Prior studies have not been based on screened cohorts leading to bias. We assessed the risk of thrombosis in a cohort of 75 422 individuals over 40 years old who were screened for MGUS in Iceland.

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Hypercalcemia in monoclonal gammopathy of undetermined significance (MGUS) presents a clinical challenge since it may indicate progression to multiple myeloma (MM) but could also be due to a multitude of unrelated disorders. To inform the approach to this clinical challenge, we conducted a nested cohort study within the iStopMM screening study. Of the 75,422 Icelanders aged 40 years and above who underwent screening for MGUS, we included 2,546 with MGUS who were in active follow-up, including regular serum calcium measurements.

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Light-chain (LC) monoclonal gammopathy of undetermined significance (MGUS) is a precursor of multiple myeloma (MM) and related conditions. LC-MGUS is characterized by free light-chain (FLC) levels outside defined reference intervals, indirectly indicating underlying plasma cell (PC) monoclonality. Next-generation flow cytometry (NGF) was used to evaluate clonal PC presence in bone marrow (BM) samples from individuals with LC-MGUS in the iStopMM study, aiming to assess the predictive value of the FLC ratio for clonal PC presence and its prognostic implications.

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Rationale: Optimal mobility is crucial for healthy aging, particularly among older adults with balance impairments. This research examines the psychometric properties of the modified Dynamic Gait Index (mDGI) translated into Icelandic, highlighting its suitability for evaluating mobility in this demographic group and within the context of healthy aging. Addressing the scarcity of international psychometric research on the mDGI, this study contributes to the translation of geriatric outcome measures into different languages, enhancing clinical applications and international research.

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Background: Outcome measurement is essential to progress clinical practice and improve patient care.

Aim: To develop a Core Outcome Set for best care for the dying person.

Design: We followed the Core Outcome Measures in Effectiveness Trials (COMET) Initiative guidelines, which involved identifying potential outcomes via a systematic literature review (n = 619 papers) and from participants in the "iLIVE" project (10 countries: 101 patients, 37 family members, 63 clinicians), followed by a two-round Delphi study, and a consensus meeting.

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The enzyme deoxyhypusine synthase (DHS) catalyzes the first step in the post-translational modification of the eukaryotic translation factor 5A (eIF5A). This is the only protein known to contain the amino acid hypusine, which results from this modification. Both eIF5A and DHS are essential for cell viability in eukaryotes, and inhibiting DHS is a promising strategy to develop new therapeutic alternatives.

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Background: Lifestyle interventions for weight loss are generally ineffective in achieving clinically meaningful long-term reductions in body weight and may contribute to negative behavior such as weight cycling or disordered eating. Negative focus on high weight may also contribute to weight stigma. Weight stigma includes negative attitudes and discriminatory behavior toward people with big bodies and can result in psychological stress and unfavorable health outcomes.

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What are the diagnostic dimensions on which objects differ visually? We constructed a two-dimensional object space based on such attributes captured by a deep convolutional neural network. These attributes can be approximated as stubby/spiky and animate-/inanimate-looking. If object space contributes to human visual cognition, this should have a measurable effect on object discrimination abilities.

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Monoclonal gammopathy of undetermined significance (MGUS) is the precursor of multiple myeloma (MM) and related disorders. MGUS is characterized by asymptomatic paraproteinemia. In some cases, multiple paraproteins can be identified but the clinical implications of this phenomenon are poorly understood.

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Bakgrunn: Legeforeningen har utarbeidd retningslinjer for lindrande sedering i livets sluttfase, sist revidert i 2014. Vi ville undersøke lungelegar sin kjennskap til retningslinjene og bruk av lindrande sedering ved lungesjukdomar.

Materiale Og Metode: Eit elektronisk spørjeskjema blei sendt til alle medlemmer av Norsk forening for lungemedisin (529 legar) i oktober 2022.

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With the introduction of the ICD-11 diagnostic manual, the need for developing and validating new assessment instruments has become urgent. The International Trauma Questionnaire-Child and Adolescent version (ITQ-CA) assesses posttraumatic stress disorder (PTSD) and complex PTSD (CPTSD) based on the ICD-11 diagnostic definition. This study examines the psychometric properties of the Danish version of the ITQ-CA in a non-clinical sample of 226 adolescents.

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Obstructive sleep apnea diagnosis is based on the manual scoring of respiratory events. The agreement in the manual scoring of the respiratory events lacks an in-depth investigation as most of the previous studies reported only the apnea-hypopnea index or overall agreement, and not temporal, second-by-second or event subtype agreement. We hypothesized the temporal and subtype agreement to be low because the event duration or subtypes are not generally considered in current clinical practice.

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Background: Identify individuals who are at risk of Type 2 diabetes, who also are at a greater risk of developing cardiovascular disease is important. The rapid worldwide increase in diabetes prevalence call for Primary Health Care to find feasible prevention strategies, to reduce patient risk factors and promote lifestyle changes. Aim of this randomized controlled trial was to investigate how a nurse-lead Guided Self-Determination counselling approach can assist people at risk of type 2 diabetes to lower their coronary heart disease risk.

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Background: Limited data exists about treatment outcomes in nationwide hepatitis C virus (HCV) elimination programs where injection drug use (IDU) is the main mode of transmission. In 2016 Iceland initiated the HCV elimination program known as Treatment as Prevention for Hepatitis C (TraP HepC). Factors associated with HCV cure in this population are examined.

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Background: Given its complexity, childbirth can elicit both positive and negative psychological reactions and, in some cases, women may experience symptoms of childbirth-related post-traumatic stress disorder (CB-PTSD). Several risk factors for CB-PTSD have been identified previously, including history of mental health issues and childbirth related complications. The aim of our study was to explore the role of satisfaction with care in CB-PTSD symptoms.

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State-of-the-art automatic sleep staging methods have demonstrated comparable reliability and superior time efficiency to manual sleep staging. However, fully automatic black-box solutions are difficult to adapt into clinical workflow due to the lack of transparency in decision-making processes. Transparency would be crucial for interaction between automatic methods and the work of sleep experts, i.

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Background: Signal transducer and activator of transcription 6 (STAT6) is central to type 2 (T2) inflammation, and common noncoding variants at the STAT6 locus associate with various T2 inflammatory traits, including diseases, and its pathway is widely targeted in asthma treatment.

Objective: We sought to test the association of a rare missense variant in STAT6, p.L406P, with T2 inflammatory traits, including the risk of asthma and allergic diseases, and to characterize its functional consequences in cell culture.

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Nematodes pose significant challenges for the fish processing industry, particularly in white fish. Despite technological advances, the industry still depends on manual labor for the detection and extraction of nematodes. This study addresses the initial steps of automatic nematode detection and differentiation from other common defects in fish fillets, such as skin remnants and blood spots.

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Objective: Prior incidence estimates of psoriatic arthritis (PsA) vary considerably. We aimed to assess the annual incidence of clinically diagnosed PsA among adults in Sweden in 2014-2016, overall and stratified by age/sex/education/geography, and to investigate potential time trends in incidence in 2006-2018. Use of disease-modifying antirheumatic drugs (DMARDs) during the 2 years after diagnosis was also examined.

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Article Synopsis
  • Immunoglobulin G (IgG) is the primary type of antibody in human blood and exists in four subclasses (IgG1 to IgG4), which are influenced by specific genes.
  • A genome-wide association study involving 4,334 adults and 4,571 children identified ten new variants and confirmed four known variants linked to IgG subclass levels, affecting conditions like asthma and autoimmune diseases.
  • Significant links were found between certain genetic allotypes and specific IgG subclasses, with notable findings showing that lower IgG4 levels can both protect against childhood asthma and increase the risk of inflammatory bowel disease.
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A bacterial brain abscess (BA) is a focal brain infection with largely unknown long-term implications. This prospective study assessed the frequency of fatigue and symptoms of depression at 8 weeks and 1 year after BA and examined the relationship between fatigue, depressive symptoms, and cognitive status. Twenty BA-patients (age 17-73; 45% female) were assessed for fatigue, depression, memory, and executive functions.

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