Blar i Bergen Open Research Archive på forfatter "Sandberg, Sverre"
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Are general practitioners characteristics associated with the quality of type 2 diabetes care in general practice? Results from the Norwegian ROSA4 study from 2014
Tran, Anh Thi; Bakke, Åsne; Berg, Tore Julsrud; Gjelsvik, Bjørn E.; Mdala, Ibrahimu; Nøkleby, Kjersti; Rai, Anam Shakil; Cooper, John; Claudi, Tor; Løvaas, Karianne Fjeld; Thue, Geir; Sandberg, Sverre; Jenum, Anne Karen (Peer reviewed; Journal article, 2018-05-02)Objective: To explore the associations between general practitioners (GPs) characteristics such as gender, specialist status, country of birth and country of graduation and the quality of care for patients with type 2 ... -
Availability and analytical quality of hemoglobin A1c point-of-care testing in general practitioners’ offices are associated with better glycemic control in type 2 diabetes
Tollånes, Mette Christophersen; Jenum, Anne Karen; Berg, Tore Julsrud; Løvaas, Karianne Fjeld; Cooper, John; Sandberg, Sverre (Journal article; Peer reviewed, 2020)Background: It is not clear if point-of-care (POC) testing for hemoglobin A1c (HbA1c) is associated with glycemic control in type 2 diabetes. Methods: In this cross-sectional study, we linked general practitioner (GP) ... -
Commutability of a whole-blood external quality assessment material for point-of-care C-reactive protein, glucose, and hemoglobin testing
Bukve, Tone; Sandberg, Sverre; Vie, Wenche S.; Sølvik, Una Ørvim; Christensen, Nina Gade; Stavelin, Anne (Peer reviewed; Journal article, 2019)BACKGROUND: The optimal situation in external quality assessment (EQA) is to use commutable materials. No previous study has examined the commutability of a whole-blood material for point-of-care (POC) testing. The aim of ... -
Conformational stability and activity analysis of two hydroxymethylbilane synthase mutants, K132N and V215E, with different phenotypic association with acute intermittent porphyria
Bustad, Helene J.; Vorland, Marta; Rønneseth, Eva; Sandberg, Sverre; Martinez, Aurora; Toska, Karen (Peer reviewed; Journal article, 2013-08)The autosomal dominantly inherited disease AIP (acute intermittent porphyria) is caused by mutations in HMBS [hydroxymethylbilane synthase; also known as PBG (porphobilinogen) deaminase], the third enzyme in the haem ... -
Establishing a network of specialist Porphyria centres - effects on diagnostic activities and services
Tollånes, Mette Christophersen; Aarsand, Aasne K.; Villanger, Jørild Haugen; Støle, Egil; Deybach, Jean-Charles; Marsden, Joanne; To-Figueras, Jordi; Sandberg, Sverre; European Porphyria Network (Peer reviewed; Journal article, 2012-12-10)Background: The porphyrias are a heterogeneous group of rare metabolic diseases. The full spectrum of porphyria diagnostics is usually performed by specialized porphyria laboratories or centres. The European Porphyria ... -
Ethnic and gender differences in the management of type 2 diabetes: a cross-sectional study from Norwegian general practice
Tran, Anh Thi; Berg, Tore Julsrud; Gjelsvik, Bjørn E.; Mdala, Ibrahimu; Thue, Geir; Cooper, John Graham; Nøkleby, Kjersti; Claudi, Tor; Bakke, Åsne; Sandberg, Sverre; Jenum, Anne Karen (Peer reviewed; Journal article, 2019-11-28)Background: Ethnic minority groups from Asia and Africa living in Western countries have a higher prevalence of type 2 diabetes (T2DM) than the general population. We aimed to assess ethnic differences in diabetes care by ... -
European Porphyria Network (EPNET) for information, epidemiological data, quality and equity of service
Deybach, Jean-Charles; Parker, Samantha; Badmiton, Mike; Sandberg, Sverre (Conference object, 2010-10-19) -
Exploring the relationship between coronary heart disease and type 2 diabetes: a cross-sectional study of secondary prevention among diabetes patients
Gjelsvik, Bjørn E.; Tran, Anh Thi; Berg, Tore Julsrud; Bakke, Åsne; Mdala, Ibrahimu; Nøkleby, Kjersti; Cooper, John G.; Claudi, Tor; Løvaas, Karianne Fjeld; Thue, Geir; Sandberg, Sverre; Jenum, Anne Karen (Peer reviewed; Journal article, 2019)Background: Coronary heart disease (CHD) and stroke are the major causes of death among people with diabetes. Aim: To describe the prevalence and onset of CHD and stroke among patients with type 2 diabetes mellitus (T2DM) ... -
External quality assessment of point-of-care International Normalized Ratio (INR) testing in Europe
Stavelin, Anne; Meijer, Piet; Kitchen, Dianne; Sandberg, Sverre (Peer reviewed; Journal article, 2011-09)Background: Point-of-care testing (POCT) of prothrombin time, expressed as International Normalized Ratio (INR), is widely used to monitor patients in oral anticoagulation treatment. Guidelines recommend that POCT users ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
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 ... -
Pre-analytical practices for routine coagulation tests in European laboratories. A collaborative study from the European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM)
Kristoffersen, Ann-Helen; Stavelin, Anne; Ajzner, Éva; Kristensen, Gunn Berit Berge; Sandberg, Sverre; van Blerk, Marjan; Kitchen, Steve; Kesseler, Dagmar; Woods, Timothy A.L.; Meijer, Piet (Peer reviewed; Journal article, 2019)Background: Correct handling and storage of blood samples for coagulation tests are important to assure correct diagnosis and monitoring. The aim of this study was to assess the pre-analytical practices for routine coagulation ... -
The Prevalence of Self-Monitoring of Blood Glucose and Costs of Glucometer Strips in a Nationwide Cohort
Kjome, Reidun Lisbet Skeide; Granås, Anne Gerd; Nerhus, Kari; Roraas, Thomas H.; Sandberg, Sverre (Peer reviewed; Journal article, 2010)Objective: This study used nationwide data to determine the prevalence of self-monitoring of blood glucose (SMBG) among all non-institutionalized persons living in Norway and to estimate the prevalence of SMBG among diabetes ... -
Quality assessment of patients’ self-monitoring of blood glucose in community pharmacies
Kjome, Reidun Lisbet Skeide; Granås, Anne Gerd; Nerhus, Kari; Sandberg, Sverre (Peer reviewed; Journal article, 2010)Objective: To evaluate diabetes patients’ selfmonitoring of blood glucose using a community pharmacy-based quality assurance procedure, to investigate whether the procedure improved the quality of the patient performance ... -
Quality of warfarin therapy and quality of life are improved by self-management for two years
Sølvik, Una Ørvim; Løkkebø, Elisabeth Sellevoll; Kristoffersen, Ann-Helen; Brodin, Ellen Elisabeth; Averina, Maria; Sandberg, Sverre (Peer reviewed; Journal article, 2019)Background: Studies from several countries show that self-management of vitamin K antagonist (e.g., warfarin) therapy reduce the risk of complications compared with conventional management. Objectives: The aim of this study ...