Blar i Bergen Open Research Archive på forfatter "Sandberg, Sverre"
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Factors associated with treatment in primary versus specialist care: A population-based study of people with type 2 and type 1 diabetes
Slåtsve, Kristina Barbara; Claudi, Tor; Lappegård, Knut Tore; Jenum, Anne Karen; Larsen, Marthe; Nøkleby, Kjersti; Cooper, John; Sandberg, Sverre; Berg, Tore Julsrud (Journal article; Peer reviewed, 2021)Aims The objectives of this study are to identify the proportion and characteristics of people with type 1 and 2 diabetes treated in primary, specialist and shared care and to identify the proportion of persons with type ... -
Fear of Covid 19 during the third wave of infection in Norwegian patients with type 1 diabetes
Ueland, Grethe Åstrøm; Ernes, Tony; Madsen, Tone Vonheim; Husebye, Eystein Sverre; Sandberg, Sverre; Løvaas, Karianne Fjeld; Cooper, John (Journal article; Peer reviewed, 2022)Objective To study the fear of Covid 19 infection among Norwegian patients with type 1 diabetes. Research design and methods Fear of Covid 19 scale, a validated scale assessing the fear of Covid 19, was sent electronically ... -
Feasibility of using self-reported patient data in a national diabetes register
Sandberg, Sverre; Røraas, Thomas; Thue, Geir; Løvaas, Karianne Fjeld; Cooper, John G. (Peer reviewed; Journal article, 2015-12-15)Background: In order to improve recruitment of patients to the Norwegian diabetes register for adults, a questionnaire was designed to collect data directly from patients. The main aim of this study was to assess the ... -
Fur glowing under ultraviolet: in situ analysis of porphyrin accumulation in the skin appendages of mammals
Toussaint, Séverine L. D.; Ponstein, Jasper; Thoury, Mathieu; Métivier, Rémi; Kalthoff, Daniela C.; Habermeyer, Benoît; Guilard, Roger; Bock, Steffen; Mortensen, Peter; Sandberg, Sverre; Gueriau, Pierre; Amson, Eli (Journal article; Peer reviewed, 2023)Examples of photoluminescence (PL) are being reported with increasing frequency in a wide range of organisms from diverse ecosystems. However, the chemical basis of this PL remains poorly defined, and our understanding of ... -
Handling of hemolyzed serum samples in clinical chemistry laboratories: The Nordic hemolysis project
Gidske, Gro; Aakre, Kristin Moberg; Rustad, Pål; Sandberg, Sverre; Norling, Anna; Pelanti, Jonna; Henriksen, Gitte; Thorsteinsdóttir, Ingunn; Kristensen, Gunn Berit Berge (Peer reviewed; Journal article, 2019)Hemolysis of blood samples is a pre-analytical challenge that often leads to sample rejection in medical laboratories [1]. Hemolysis occurs when blood cells break down and the intracellular contents leak into the surrounding ... -
How to conduct External Quality Assessment Schemes for the pre-analytical phase?
Kristensen, Gunn Berit Berge; Aakre, Kristin; Kristoffersen, Ann-Helen; Sandberg, Sverre (Peer reviewed; Journal article, 2014)In laboratory medicine, several studies have described the most frequent errors in the different phases of the total testing process, and a large proportion of these errors occur in the pre-analytical phase. Schemes for ... -
How to Realize the Benefits of Point-of-Care Testing at the General Practice: A Comparison of Four High-Income Countries
Lingervelder, Deon; Koffijberg, Hendrik; Emery, Jon; Fennessy, Paul; Price, Christopher; van Marwijk, Harm; Eide, Torunn Bjerve; Sandberg, Sverre; Cals, Jochen; Derksen, Joke; Kusters, Ron; Ijzermanx, Maarten (Journal article; Peer reviewed, 2021)Background In some countries, such as the Netherlands and Norway, point-of-care testing (POCT) is more widely implemented in general practice compared to countries such as England and Australia. To comprehend what is ... -
Illness Perception and Psychological Distress in Persons with Porphyria Cutanea Tarda
Andersen, Janice; Nordin, Karin; Sandberg, Sverre (Peer reviewed; Journal article, 2016)Porphyria cutanea tarda (PCT) requires long-term treatment and follow-up, although many patients experience life-long remission. The aim of this cross-sectional postal survey was to describe and investigate the association ... -
Insulin initiation in patients with type 2 diabetes is often delayed, but access to a diabetes nurse may help—insights from Norwegian general practice
Mdala, Ibrahimu; Nøkleby, Kjersti; Berg, Tore Julsrud; Cooper, John; Sandberg, Sverre; Løvaas, Karianne Fjeld; Claudi, Tor; Jenum, Anne Karen; Buhl, Esben Selmer (Journal article; Peer reviewed, 2024)Objective: We opted to study how support staff operational capacity and diabetes competences may impact the timeliness of basal insulin-initiation in general practice patients with type 2 diabetes (T2D). Design/Settin ... -
Intensified follow-up of patients with type 1 diabetes and poor glycaemic control: A multicentre quality improvement collaborative based on data from the Norwegian Diabetes Register for Adults
Madsen, Tone Vonheim; Cooper, John Graham; Carlsen, Siri; Loevaas, Karianne; Rekdal, Magne; Igland, Jannicke; Sandberg, Sverre; Ueland, Grethe Åstrøm; Iversen, Marjolein M.; Sølvik, Una Ørvim (Journal article; Peer reviewed, 2023)Background Patients with type 1 diabetes mellitus (T1DM) and poor glycaemic control are at high risk of developing microvascular and macrovascular complications. The aim of this study was to determine if a quality improvement ... -
Key terms and definitions in acute porphyrias: Results of an international Delphi consensus led by the European porphyria network
Stein, Penelope E.; Edel, Yonatan; Mansour, Razan; Mustafa, Reem A.; Sandberg, Sverre (Journal article; Peer reviewed, 2023)Acute porphyrias are a group of rare inherited disorders causing acute neurovisceral attacks. Many terms used frequently in the literature and clinical practice are ambiguous, which can lead to confusion in the way patients ... -
A national surveillance program for evaluating new reagent lots in medical laboratories
Solsvik, Anne Elisabeth; Kristoffersen, Ann-Helen; Sandberg, Sverre; Gidske, Gro; Stavelin, Anne; Eikeland, Joakim; Amundsen, Erik Koldberg (Journal article; Peer reviewed, 2022)Objectives Differences between laboratory results attributable to the use of different reagent lots can potentially affect the diagnosis and monitoring of patients. To minimize patient risks, all laboratories should verify ... -
Nursing home patients with diabetes: Prevalence, drug treatment and glycemic control
Andreassen, Lillan Mo; Sandberg, Sverre; Kristensen, Gunn Berit Berge; Sølvik, Una Ørvim; Kjome, Reidun Lisbet Skeide (Peer reviewed; Journal article, 2014-04-28)Aims: Determine prevalence of diabetes, and describe use of blood glucose lowering (BGL) drugs and glycemic control in Norwegian nursing homes. Methods: In this cross-sectional study we collected details of BGL drugs, ... -
Performance and user-friendliness of the rapid antigen detection tests QuickVue Dipstick Strep A test and DIAQUICK Strep A Blue Dipstick for pharyngotonsillitis caused by Streptococcus pyogenes in primary health care
Sølvik, Una Ørvim; Boija, Elisabet Eriksson; Ekvall, Sara; Jabbour, Afamia; Breivik, Anne Christin; Nordin, Gunnar; Sandberg, Sverre (Journal article; Peer reviewed, 2021)Sensitivity and specificity of rapid antigen detection tests (RADTs) for detection of group A hemolytic streptococcus (GAS) vary. The purpose is to present the first SKUP (Scandinavian evaluation of laboratory equipment ... -
Performance of Afinion HbA1c measurements in general practice as judged by external quality assurance data
Stavelin, Anne; Flesche, Kristine; Tollaanes, Mette; Christensen, Nina Gade; Sandberg, Sverre (Journal article; Peer reviewed, 2020)Background: It has been debated whether point-of care (POC) glycated hemoglobin (HbA1c) measurements methods can be used for diagnosing persons with diabetes mellitus. The aim of this study was to evaluate the analytical ... -
Personalized reference intervals - Statistical approaches and considerations
Coskun, Abdurrahman; Sandberg, Sverre; Unsal, Ibrahim; Yavuz, Fulya G.; Cavusoglu, Coskun; Serteser, Mustafa; Kilercik, Meltem; Aarsand, Aasne Karine (Journal article; Peer reviewed, 2022)For many measurands, physicians depend on population-based reference intervals (popRI), when assessing laboratory test results. The availability of personalized reference intervals (prRI) may provide a means to improve the ... -
A Pharmacological Chaperone Therapy for Acute Intermittent Porphyria
Bustad, Helene J.; Toska, Karen; Schmitt, Caroline; Vorland, Marta; Skjærven, Lars; Kallio, Juha Pekka; Simonin, Sylvie; Lettéron, Philippe; Underhaug, Jarl; Sandberg, Sverre; Martinez, Aurora (Peer reviewed; Journal article, 2019-12-03)Mutations in hydroxymethylbilane synthase (HMBS) cause acute intermittent porphyria (AIP), an autosomal dominant disease where typically only one HMBS allele is mutated. In AIP, the accumulation of porphyrin precursors ... -
Point-of-care testing in primary healthcare: a scoring system to determine the frequency of performing internal quality control
Gidske, Gro; Sandberg, Sverre; Fossum, Anne Lise; Binder, Stein Bjarne; Langsjøen, Eva Camilla; Solsvik, Anne E.; Stavelin, Anne (Journal article; Peer reviewed, 2022)Objectives Internal quality control (IQC) plays an important role in quality assurance in laboratory medicine. However, there is no universal consensus or guideline on when and how IQC should be analyzed on point-of-care ... -
Porphyria cutanea tarda and patterns of long-term sick leave and disability pension: a 24-year nationwide matched-cohort study
Baravelli, Carl Michael; Aarsand, Aasne Karine; Sandberg, Sverre; Tollånes, Mette Christophersen (Journal article; Peer reviewed, 2022)Background Porphyria cutanea tarda (PCT) is a skin disorder caused by a defect in the liver enzyme uroporphyrinogen decarboxylase and is associated with hepatitis C virus infection, high alcohol intake, smoking and iron ... -
Porphyria cutanea tarda increases risk of hepatocellular carcinoma and premature death: A nationwide cohort study
Baravelli, Carl Michael; Sandberg, Sverre; Aarsand, Aasne Karine; Tollånes, Mette Christophersen (Peer reviewed; Journal article, 2019-04-03)Background Porphyria cutanea tarda (PCT) is a skin disorder originating from a deficit of the liver enzyme uroporphyrinogen decarboxylase. PCT may be a risk factor for hepatocellular carcinoma (HCC) and other cancers, but ...