Blar i Bergen Open Research Archive på forfatter "Vikenes, Kjell"
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Adding stress biomarkers to high-sensitivity cardiac troponin for rapid non-ST-elevation myocardial infarction rule-out protocols
Restan, Ingar Ziad; Sanchez, Ana Yufera; Steiro, Ole-Thomas; Lopez-Ayala, Pedro; Tjora, Hilde Lunde; Langørgen, Jørund; Omland, Torbjørn; Boeddinghaus, Jasper; Nestelberger, Thomas; Koechlin, Luca; Collinson, Paul; Bjørneklett, Rune Oskar; Vikenes, Kjell; Strand, Heidi; Skadberg, Øyvind; Mjelva, Øistein; Larsen, Alf Inge; Vernon, Bonarjee; Mueller, Christian; Aakre, Kristin Moberg (Journal article; Peer reviewed, 2022)Aims This study tested the hypothesis that combining stress-induced biomarkers (copeptin or glucose) with high-sensitivity cardiac troponin (hs-cTn) increases diagnostic accuracy for non-ST-elevation myocardial infarction ... -
Aiming toWards Evidence baSed inTerpretation of Cardiac biOmarkers in patients pResenting with chest pain using Point of Care Testing (WESTCOR-POC): study design
Thulin, Ingrid Viola Lavesson; Jordalen, Silje Marie Farestveit; Lekven, Ole Christian; Krishnapillai, Jeyaseelan; Steiro, Ole-Thomas; Collinson, Paul; Apple, Fred; Cullen, Louise; Norekvål, Tone Merete; Wisløff, Torbjørn; Vikenes, Kjell; Omland, Torbjørn; Bjørneklett, Rune Oskar; Aakre, Kristin Moberg (Journal article; Peer reviewed, 2023)Objectives: Patients presenting with symptoms suggestive of acute coronary syndrome (ACS) contribute to a high workload and overcrowding in the Emergency Department (ED). Accelerated diagnostic protocols for non-ST-elevation ... -
Cardiac Troponin Assays With Improved Analytical Quality: A Trade-Off Between Enhanced Diagnostic Performance and Reduced Long-Term Prognostic Value
Tjora, Hilde Lunde; Steiro, Ole-Thomas; Langørgen, Jørund; Bjørneklett, Rune; Nygård, Ottar; Skadberg, Øyvind; Bonarjee, Vernon; Collinson, Paul; Omland, Torbjørn; Vikenes, Kjell; Aakre, Kristin Moberg (Journal article; Peer reviewed, 2020)Background Cardiac troponin (cTn) permits early rule‐out/rule‐in of patients admitted with possible non–ST‐segment–elevation myocardial infarction. In this study, we developed an admission and a 0/1 hour rule‐out/rule‐in ... -
Diagnostic Performance of Novel Troponin Algorithms for the Rule-Out of Non-ST-Elevation Acute Coronary Syndrome
Tjora, Hilde Lunde; Steiro, Ole-Thomas; Langørgen, Jørund; Bjørneklett, Rune Oskar; Skadberg, Øyvind; Bonarjee, Vernon V S; Mjelva, Øistein; Collinson, Paul; Omland, Torbjørn; Vikenes, Kjell; Aakre, Kristin Moberg (Journal article; Peer reviewed, 2022)Background The European Society of Cardiology (ESC) rule-out algorithms use cutoffs optimized for exclusion of non-ST elevation myocardial infarction (NSTEMI). We investigated these and several novel algorithms for the ... -
Effect of an optimized X-ray blanket design on operator radiation dose in cardiac catheterization based on real-world angiography
Davidsen, Cedric; Bolstad, Kirsten Hansine Helene Nygaard; Ytre-Hauge, Kristian Smeland; Samnøy, Andreas Tefre; Vikenes, Kjell; Tuseth, Vegard (Journal article; Peer reviewed, 2022)Background There is increasing concern and focus in the interventional cardiology community on potential long term health issues related to radiation exposure and heavy wearable protection. Optimized shielding measures ... -
Efficacy and User Experience of a Novel X-Ray Shield on Operator Radiation Exposure during Cardiac Catheterization: A Randomized Controlled Trial
Davidsen, Cedric; Ytre-Hauge, Kristian Smeland; Samnøy, Andreas Tefre; Vikenes, Kjell; Lancellotti, Patrizio; Tuseth, Vegard (Journal article; Peer reviewed, 2023)BACKGROUND: Radiation shielding is mandatory during cardiac catheterization, but there is a need to improve efficacy and ease of use. METHODS: The aim of the study was to assess the shielding effect and user feedback ... -
Growth Differentiation Factor 15: A Prognostic Marker in Patients with Acute Chest Pain without Acute Myocardial Infarction
Myrmel, Gard Mikael Saele; Steiro, Ole-Thomas; Tjora, Hilde Lunde; Langørgen, Jørund; Bjørneklett, Rune Oskar; Skadberg, Øyvind; Bonarjee, Vernon V S; Mjelva, Øistein; Pedersen, Eva Ringdal; Vikenes, Kjell; Omland, Torbjørn; Aakre, Kristin Moberg (Journal article; Peer reviewed, 2023)Background Acute chest pain is associated with an increased risk of death and cardiovascular events even when acute myocardial infarction (AMI) has been excluded. Growth differentiation factor-15 (GDF-15) is a strong ... -
Predictors of long-term symptom burden and quality of life in patients hospitalised with chest pain: a prospective observational study
Saeed, Nasir; Norekvål, Tone Merete; Steiro, Ole-Thomas; Tjora, Hilde Lunde; Langørgen, Jørund; Bjørneklett, Rune Oskar; Skadberg, Øyvind; Bonarjee, Vernon V S; Mjelva, Øistein; Omland, Torbjørn; Vikenes, Kjell; Aakre, Kristin Moberg (Journal article; Peer reviewed, 2022)Objective: To describe the magnitude and predictors of symptom burden (SB) and quality of life (QoL) 3 months after hospital admission for acute chest pain. Design: Prospective observational study. Setting: Single ... -
Prognostic significance of chronic myocardial injury diagnosed by three different cardiac troponin assays in patients admitted with suspected acute coronary syndrome
Steiro, Ole-Thomas; Langørgen, Jørund; Tjora, Hilde Lunde; Bjørneklett, Rune Oskar; Skadberg, Øyvind; Bonarjee, Vernon V S; Mjelva, Øistein; Steinsvik, Trude; Lindahl, Bertil; Omland, Torbjørn; Aakre, Kristin Moberg; Vikenes, Kjell (Journal article; Peer reviewed, 2023)Objectives Chronic myocardial injury (CMI) is defined as stable concentrations of cardiac troponin T or I (cTnT or cTnI) above the assay-specific 99th percentile upper reference limit (URL) and signals poor outcome. The ... -
Short-term outcome after open-heart surgery for severe chronic rheumatic heart disease in a low-income country, with comparison with an historical control group: an observational study
Hauge, Ståle Wågen; Dalen, Havard; Estensen, Mette-Elise; Persson, Robert Matongo; Abebe, Sintayehu; Mekonnen, Desalew; Nega, Berhanu; Solholm, Atle; Farstad, Marit; Bogale, Nigussie; Graven, Torbjorn; Nielssen, Niels-Erik; Brekke, Hege Kristin; Vikenes, Kjell; Haaverstad, Rune (Journal article; Peer reviewed, 2021)Objectives Rheumatic heart disease (RHD) is a major burden in low-income and middle-income countries (LMICs). Cardiac surgery is the only curative treatment. Little is known about patients with severe chronic RHD operated ... -
Systemic Cardiac Troponin T Associated With Incident Atrial Fibrillation Among Patients With Suspected Stable Angina Pectoris
Vavik, Vegard; Pedersen, Eva Ringdal; Svingen, Gard Frodahl Tveitevåg; Solheim, Eivind; Aakre, Kristin Moberg; Tell, Grethe S.; Nygård, Ottar; Vikenes, Kjell (Journal article; Peer reviewed, 2020)Higher concentrations of cardiac troponin T are associated with coronary artery disease (CAD) and adverse cardiovascular prognosis. The relation with incident atrial fibrillation (AF) is less explored. We studied this ... -
Temporal trends in X-ray exposure during coronary angiography and percutaneous coronary intervention
Davidsen, Cedric; Bolstad, Kirsten Hansine Helene Nygaard; Nygaard, Ellisif; Vikenes, Kjell; Rotevatn, Svein; Tuseth, Vegard (Journal article; Peer reviewed, 2020)Background. Percutaneous coronary intervention exposes patient and staff to ionizing radiation. Although staff only receive a small fraction of patient dose through scatter radiation, there are concerns about the potential ...