Academic article

• Rune Krogh Eilertsen; Eva Gerdts; Ulrike Waje-Andreassen et al. (2026). Cardiac Organ Damage in Young Adults with Cryptogenic Ischaemic Stroke: The SECRETO Study. (external link)
• Barbara M. Hulsen; Janneke P. Spiegelenberg; Nicolas Martinez-Majander et al. (2026). Preceding Infections and Coagulation Biomarkers in Early-Onset Cryptogenic Ischemic Stroke. (external link)
• Sofie Abels; Maximillian Sihvo; Liisa Tomppo et al. (2026). Thrombophilia Screening in Young Patients With Cryptogenic Ischemic Stroke. (external link)
• Jukka Putaala; Nicolas Martinez-Majander; Michelle Leppert et al. (2025). Burden of Modifiable Risk Factors in Young-Onset Cryptogenic Ischemic Stroke by High-Risk Patent Foramen Ovale. (external link)
• Nina Jaakonmäki; Tuukka Helin; Timea Szanto et al. (2025). Anti-beta2-glycoprotein I IgG antibodies are associated with early-onset cryptogenic ischemic stroke. (external link)
• Khuluud Abdi Jibril; Karel Kier-Jan Kuiper; Beenish Adeel Chaudry Nawaz et al. (2025). Burden of Coronary Artery Disease as a Predictor of New Vascular Events and Mortality in Patients With Ischemic Stroke: Insights From the Norwegian Stroke in the Young Study. (external link)
• Mohamad Jamal Farah; Beenish Adeel Chaudry Nawaz; Annette Fromm et al. (2025). Post-stroke fatigue and its consequences in young adults: The Norwegian Stroke in the Young Study II. (external link)
• Rune Krogh Eilertsen; Helga Bergljot Midtbø; Beenish Adeel Chaudry Nawaz et al. (2025). Associations of short-term blood pressure variability with presence and progression of organ damage over five years in ischaemic stroke survivors: the Norwegian Stroke in the Young Study. (external link)
• Ole Morten Rønning; Linn Marie Nordby; Nicola Logallo et al. (2025). Association between blood pressure and outcome in patients with acute ischemic stroke treated with alteplase. (external link)
• Alejandro Bustamante; Tomás Sobrino; Dolors Giralt et al. (2014). Prognostic value of blood interleukin-6 in the prediction of functional outcome after stroke: A systematic review and meta-analysis. (external link)
• Sahrai Saeed; Ulrike Waje-Andreassen; Mai Tone Lønnebakken et al. (2016). Covariates of non-dipping and elevated night-time blood pressure in ischemic stroke patients: the Norwegian Stroke in the Young Study. (external link)
• Halvor Næss; Jan C Brøgger; Titto Idicula et al. (2009). Clinical presentation and diffusion weighted MRI of acute cerebral infarction. The Bergen Stroke Study. (external link)
• Sahrai Saeed; Eva Gerdts; Ulrike Waje-Andreassen et al. (2019). Left ventricular myocardial dysfunction in young and middle-aged ischemic stroke patients: the Norwegian stroke in the young study. (external link)
• Rune Krogh Eilertsen; Helga Bergljot Midtbø; Rasmus Bach Sindre et al. (2024). Factors associated with progression of arterial stiffness in ischemic stroke survivors: the Norwegian Stroke in the Young Study. (external link)
• Christopher Elnan Kvistad; Halvor Øygarden; Nicola Logallo et al. (2016). A stress-related explanation to the increased blood pressure and its course following ischemic stroke. (external link)
• Vojtech Novotny; Sander Johan Aarli; Andrej Khanevski et al. (2021). Clinical manifestation of acute cerebral infarcts in multiple arterial territories. (external link)
• Beenish Nawaz; Geir Egil Eide; Annette Fromm et al. (2019). Young ischaemic stroke incidence and demographic characteristics - The Norwegian stroke in the young study - A three-generation research program. (external link)
• Halvor Næss; Lene Lunde; Jan Brøgger et al. (2010). Depression predicts unfavourable functional outcome and higher mortality in stroke patients: The Bergen Stroke Study. (external link)
• Ulrike Waje-Andreassen; Lars Thomassen; Ånen Aarli et al. (2009). Trombolytisk behandling ved arterielt hjerneinfarkt hos barn. (external link)
• Viktoria Varga; Ulrike Waje-Andreassen; Halvor Næss et al. (2009). Trombolytisk behandling ved hjerneinfarkt. (external link)
• Nicola Logallo; Halvor Næss; Titto Idicula et al. (2011). Serum uri acid: neuroprotection in thrombolysis. The Bergen NORSTROKE study. (external link)
• Lars Thomassen; Anette Storstein; Mirza Jusufovic et al. (2011). En kvinne med tilbakevendende arteriovenøse tromboser. (external link)
• Halvor Øygarden; Annette Fromm; Kristin Modalsli Sand et al. (2016). Can the cardiovascular family history reported by our patients be trusted? The Norwegian Stroke in the Young Study. (external link)
• Ulrike Waje-Andreassen; Halvor Næss; Lars Thomassen et al. (2015). Biomarkers related to carotid intima-media thickness and plaques in long-term survivors of ischemic stroke. (external link)
• Halvor Øygarden; Annette Fromm; Kristin Modalsli Sand et al. (2015). Stroke patients' knowledge about cardiovascular family history - the Norwegian Stroke in the Young Study (NOR-SYS). (external link)
• Vojtech Novotny; Lars Thomassen; Ulrike Waje-Andreassen et al. (2017). Acute cerebral infarcts in multiple arterial territories associated with cardioembolism. (external link)
• Christopher Elnan Kvistad; Vojtech Novotny; Halvor Næss et al. (2018). Safety and predictors of stroke mimics in The Norwegian Tenecteplase Stroke Trial (NOR-TEST). (external link)
• Nina Jaakonmäki; Marialuisa Zedde; Tomi Sarkanen et al. (2022). Obesity and the Risk of Cryptogenic Ischemic Stroke in Young Adults. (external link)
• Halvor Næss; Lars Thomassen; Ulrike Waje-Andreassen et al. (2018). High risk of early neurological worsening of lacunar infarction. (external link)
• Nicola Logallo; Annette Fromm; Ulrike Waje-Andreassen et al. (2014). Effect of microbubble contrast on intracranial blood flow velocity assessed by transcranial Doppler. (external link)
• Nicola Logallo; Christopher Elnan Kvistad; Aliona Nacu et al. (2014). The Norwegian tenecteplase stroke trial (NOR-TEST): Randomised controlled trial of tenecteplase vs. alteplase in acute ischaemic stroke. (external link)
• Halvor Næss; Friedrich Martin W. Kurz; Lars Thomassen et al. (2016). Serial NIHSS scores in patients with acute cerebral infarction. (external link)
• Anja Cathrin Mørch-Rasmussen; Aliona Nacu; Ulrike Waje-Andreassen et al. (2016). Recurrent ischemic stroke is associated with the burden of risk factors. (external link)
• Sahrai Saeed; Ulrike Waje-Andreassen; Annette Fromm et al. (2014). Early vascular aging in young and middle-aged ischemic stroke patients: The Norwegian stroke in the young study. (external link)
• Mina A. Jacob; Merel S. Ekker; Youssra Allach et al. (2022). Global Differences in Risk Factors, Etiology, and Outcome of Ischemic Stroke in Young Adults-A Worldwide Meta-analysis. (external link)
• Marianne Lundervik Bøthun; Annette Fromm; Øystein Haaland et al. (2014). Carotid intima-media thickness - a potential predictor for rupture risk of intracranial aneurysms. (external link)
• Anna Therese Bjerkreim; Halvor Næss; Andrej Khanevski et al. (2019). One-year versus five-year hospital readmission after ischemic stroke and TIA. (external link)
• Annette Fromm; Lars Thomassen; Halvor Næss et al. (2013). The Norwegian stroke in the young study (NOR-SYS): rationale and design. (external link)
• Halvor Øygarden; Christopher Elnan Kvistad; Marte Helene Bjørk et al. (2014). Diffusion-weighted lesions in acute ischaemic stroke patients with migraine. (external link)
• Halvor Næss; Lene Lunde; Jan C Brøgger et al. (2012). Fatigue among stroke patients on long-term follow-up. The Bergen Stroke Study. (external link)
• Halvor Næss; Ulrike Waje-Andreassen; Harald Inge Nyland (2013). Risk factor burden predicts long-term mortality in young patients with arterial cerebral infarction. (external link)
• Halvor Øygarden; Christopher Elnan Kvistad; Lars Thomassen et al. (2013). Does a history of migraine affect the rate of thrombolysis in young stroke patients?. (external link)
• Titto Idicula; Ulrike Waje-Andreassen; Jan Brøgger et al. (2009). Serum Albumin in Ischemic Stroke Patients: The Higher the Better. (external link)
• Aliona Nacu; Christopher Elnan Kvistad; Nicola Logallo et al. (2015). A pragmatic approach to sonothrombolysis in acute ischaemic stroke: The Norwegian randomised controlled sonothrombolysis in acute stroke study (NOR-SASS). (external link)
• Halvor Næss; Harald Inge Nyland; Titto Idicula et al. (2013). C-reactive protein and homocysteine predict long-term mortality in young ischemic stroke patients. (external link)
• Sven P. R. Luijten; Nadinda A. M. van der Ende; Sandra A. P. Cornelissen et al. (2023). Comparison of diffusion weighted imaging b0 with T2*-weighted gradient echo or susceptibility weighted imaging for intracranial hemorrhage detection after reperfusion therapy for ischemic stroke. (external link)
• Sahrai Saeed; Eva Gerdts; Ulrike Waje-Andreassen et al. (2019). Searching for explanations for cryptogenic stroke in the young: Revealing the Etiology, Triggers, and outcome (SECRETO): Echocardiography performance protocol. (external link)
• Jukka Putaala; Nicolas Martinez-Majander; Sahrai Saeed et al. (2017). Searching for Explanations for Cryptogenic Stroke in the Young: Revealing the Triggers, Causes, and Outcome (SECRETO): Rationale and design. (external link)
• Annette Fromm; Øystein Ariansen Haaland; Halvor Næss et al. (2016). Atherosclerosis in trial of org 10172 in acute stroke treatment subtypes among young and middle-aged stroke patients: The Norwegian stroke in the young study. (external link)
• Anna Therese Bjerkreim; Andrej Khanevski; Lars Thomassen et al. (2019). Five-year readmission and mortality differ by ischemic stroke subtype. (external link)
• Håkon Ihle-Hansen; Else Charlotte Sandset; Hege Ihle-Hansen et al. (2021). Sex differences in the Norwegian Tenecteplase Trial (NOR-TEST). (external link)
• Vojtech Novotny; Andrej Khanevski; Lars Thomassen et al. (2016). Time patterns in multiple acute cerebral infarcts.. (external link)
• Nicolas Martinez-Majander; Ville Artto; Pauli Ylikotila et al. (2020). Association between Migraine and Cryptogenic Ischemic Stroke in Young Adults. (external link)
• Annette Fromm; Ulrike Waje-Andreassen; Lars Thomassen et al. (2011). Comparison between Ischemic Stroke Patients <50 Years and ≥50 Years Admitted to a Single Centre: The Bergen Stroke Study. (external link)
• Halvor Næss; Titto Idicula; Nicola Logallo et al. (2010). Inverse relationship of baseline body temperature and outcome between ischemic stroke patients treated and not treated with thrombolysis: the Bergen stroke study. (external link)
• Solveig Boland; Beenish Adeel Chaudry Nawaz; Halvor Øygarden et al. (2023). Verified Parental Cardiovascular Events for Young and Middle-Aged Ischaemic Stroke Patients and Controls. (external link)
• Henriette Aurora Selvik; Anna Therese Bjerkreim; Lars Thomassen et al. (2018). When to screen ischaemic stroke patients for cancer. (external link)
• Halvor Næss; Nicola Logallo; Ulrike Waje-Andreassen et al. (2019). U-shaped relationship between hemoglobin level and severity of ischemic stroke. (external link)
• Beenish Nawaz; Annette Fromm; Halvor Øygarden et al. (2021). Prevalence of atherosclerosis and association with 5-year outcome: The Norwegian Stroke in the Young Study. (external link)
• Rasmus Bach Sindre; Eva Gerdts; Jukka Putaala et al. (2024). Association of Left Atrial Stiffness With Risk of Cryptogenic Ischemic Stroke in Young Adults. (external link)
• Sander Johan Aarli; Lars Thomassen; Ulrike Waje-Andreassen et al. (2021). The Course of Carotid Plaque Vulnerability Assessed by Advanced Neurosonology. (external link)
• Christopher Elnan Kvistad; Lars Thomassen; Ulrike Waje-Andreassen et al. (2013). Clinical implications of increased use of MRI in TIA. (external link)
• Nicola Logallo; Halvor Næss; Ulrike Waje-Andreassen et al. (2014). Prevalence of intracranial stenosis in a Norwegian ischemic stroke population. (external link)
• Nadinda A.M. Van Der Ende; Sven P.R. Luijten; Leo Kluijtmans et al. (2023). Interobserver Agreement on Intracranial Hemorrhage on Magnetic Resonance Imaging in Patients With Ischemic Stroke. (external link)
• Ulrike Waje-Andreassen; Lars Thomassen (2014). Ulik behandling ved hjerneslag. (external link)
• Christopher Elnan Kvistad; Andrej Khanevski; Aliona Nacu et al. (2014). Is higher body temperature beneficial in ischemic stroke patients with normal admission CT angiography of the cerebral arteries?. (external link)
• Halvor Næss; Guro Gjerde; Ulrike Waje-Andreassen (2014). Ischemic stroke in patients older and younger than 80 years. (external link)
• Christopher Elnan Kvistad; Halvor Øygarden; Nicola Logallo et al. (2014). A dark Side of subcortical diffusion-weighted lesions? Characteristics, cause, and outcome in large subcortical infarction: The Bergen Norwegian Stroke Cooperation Study. (external link)
• Christopher Elnan Kvistad; Nicola Logallo; Lars Thomassen et al. (2013). Safety of off-label stroke treatment with tissue plasminogen activator. (external link)
• Halvor Næss; Lene Lunde; Jan Brøgger et al. (2010). Post-stroke pain on long-term follow-up: the Bergen stroke study. (external link)
• Åshild Oftedal; Eva Gerdts; Ulrike Waje-Andreassen et al. (2018). Prevalence and covariates of uncontrolled hypertension in ischemic stroke survivors: the Norwegian stroke in the young study. (external link)
• Anna Therese Bjerkreim; Lars Thomassen; Ulrike Waje-Andreassen et al. (2016). Hospital Readmission after Intracerebral Hemorrhage. (external link)
• Christopher Elnan Kvistad; Halvor Øygarden; Nicola Logallo et al. (2014). Is smoking associated with favourable outcome in tPA‐treated stroke patients?. (external link)
• Merel Ekker; Mina Jacob; Myrna M.E. van Dongen et al. (2019). Global Outcome Assessment Life-long after stroke in young adults initiative - The GOAL initiative: Study protocol and rationale of a multicentre retrospective individual patient data meta-analysis. (external link)
• Nicola Logallo; Christopher Elnan Kvistad; Halvor Næss et al. (2014). Mild stroke: Safety and outcome in patients receiving thrombolysis. (external link)
• Halvor Næss; Titto Idicula; Jan C Brøgger et al. (2011). High Proportion of Lacunar Strokes at Night: The Bergen Stroke Study. (external link)
• Andrej Khanevski; Halvor Næss; Lars Thomassen et al. (2017). Elevated body temperature in ischemic stroke associated with neurological improvement. (external link)
• Vojtech Novotny; Andrej Khanevski; Anna Therese Bjerkreim et al. (2019). Short-term outcome and in-hospital complications after acute cerebral infarcts in multiple arterial territories. (external link)
• Nicola Logallo; Jonas Anders Lind; Halvor Næss et al. (2012). Middle cerebral artery stenosis: transcranial color-coded sonography based on continuity equation versus CT-angiography. (external link)
• Anna Therese Bjerkreim; Andrej Khanevski; Henriette Aurora Selvik et al. (2018). The impact of ischaemic stroke subtype on 30-day hospital readmissions. (external link)
• Nilüfer Yeşilot Barlas; Jukka Putaala; Ulrike Waje-Andreassen et al. (2013). Etiology of first-ever ischaemic stroke in European young adults: the 15 cities young stroke study. (external link)
• Titto Idicula; Jan Brøgger; Halvor Næss et al. (2009). Admission C - reactive protein after acute ischemic stroke is associated with stroke severity and mortality: The 'Bergen stroke study'. (external link)
• Nicola Logallo; Vojtech Novotny; Jörg Assmus et al. (2017). Tenecteplase versus alteplase for management of acute ischaemic stroke (NOR-TEST): a phase 3, randomised, open-label, blinded endpoint trial. (external link)
• Eirik Helvig; Lars Thomassen; Ulrike Waje-Andreassen et al. (2015). Comparing withdrawal and non-withdrawal of life-sustaining treatment among patients who died from stroke. (external link)
• Aliona Nacu; Christopher Elnan Kvistad; Halvor Næss et al. (2016). NOR-SASS (Norwegian Sonothrombolysis in Acute Stroke Study): Randomized controlled contrast-enhanced sonothrombolysis in an unselected acute ischemic stroke population. (external link)
• Sander Johan Aarli; Jostein Kråkenes; Tom Roar Omdal et al. (2018). Patent foramen ovale in an elderly male with multiple embolic infarcts. (external link)
• Anna Therese Bjerkreim; Lars Thomassen; Jan C Brøgger et al. (2015). Causes and Predictors for Hospital Readmission after Ischemic Stroke. (external link)
• Anja G Linde; Eva Gerdts; Ulrike Waje-Andreassen et al. (2018). Covariables and types of abnormal left ventricular geometry in nonelderly ischemic stroke survivors: The Norwegian Stroke in theYoung Study. (external link)
• Lars Thomassen; Ulrike Waje-Andreassen; Jan C Brøgger et al. (2012). Acute stroke centre - the changing focus of stroke unit care. The Bergen NORSTROKE Study. (external link)
• Marte Helene Bjørk; Lars Thomassen; Ulrike Waje-Andreassen (2011). Cerebrale arterielle karspasmer. (external link)
• Ulrike Waje-Andreassen; Lars Thomassen; Mirza Jusufovic et al. (2013). Ischaemic stroke at a young age is a serious event final results of a population-based long-term follow-up in Western Norway. (external link)
• Halvor Næss; Jan Brøgger; Ulrike Waje-Andreassen et al. (2009). Preadmission use of warfarin improves short-term outcome in patients with acute cerebral infarction. (external link)
• Gerd Haga Bringeland; Aliona Nacu; Ulrike Waje-Andreassen et al. (2016). U-curve relation between cholesterol and prior ischemic stroke. (external link)
• Beenish Adeel Chaudhry Nawaz; Annette Fromm; Halvor Øygarden et al. (2022). Vascular risk factors and staging of atherosclerosis in patients and controls: The Norwegian Stroke in the Young Study. (external link)
• Annette Fromm; Øystein Ariansen Haaland; Halvor Næss et al. (2014). Risk factors and their impact on carotid intima-media thickness in young and middle-aged ischemic stroke patients and controls: The Norwegian Stroke in the Young Study. (external link)
• Christopher Elnan Kvistad; Nicola Logallo; Lars Thomassen et al. (2014). Diffusion-weighted lesions in stroke patients with transient symptoms - Where are they located?. (external link)
• Sahrai Saeed; Ulrike Waje-Andreassen; Annette Fromm et al. (2016). Prevalence and covariates of masked hypertension in ischemic stroke survivors: the Norwegian Stroke in the Young Study.. (external link)
• Mohamad Jamal Farah; Halvor Næss; Ulrike Waje-Andreassen et al. (2023). Comparison Between First-Ever Ischemic Stroke in Young Adults in 1988–1997 and 2008–2017. (external link)
• Eigir Einarsen; Eva Gerdts; Ulrike Waje-Andreassen et al. (2020). Association of increased arterial stiffness with diastolic dysfunction in ischemic stroke patients the Norwegian Stroke in the Young Study. (external link)
• Jukka Putaala; Bettina von Sarnowski; Ulf Schminke et al. (2024). Association of Hypertension With Early-Onset Cryptogenic Ischemic Stroke by the Presence of Patent Foramen Ovale: A Case-Control Study. (external link)
• Shakar Kutal; Lauri Juhani Tulkki; Tomi Sarkanen et al. (2025). Association Between Self-Perceived Stress and Cryptogenic Ischemic Stroke in Young Adults: A Case-Control Study. (external link)
• Alejandro Bustamante; Andrea Vilar-Bergua; Sophie Guettier et al. (2017). C-reactive protein in the detection of post-stroke infections: systematic review and individual participant data analysis. (external link)
• Christopher Elnan Kvistad; Aliona Nacu; Vojtech Novotny et al. (2017). Contrast‐enhanced sonothrombolysis in acute ischemic stroke patients without intracranial large‐vessel occlusion. (external link)
• Jukka Putaala; Nilufer Yesilot; Ulrike Waje-Andreassen et al. (2012). Demographic and geographic vascular risk factor differences in European young adults with ischemic stroke : The 15 Cities Young Stroke Study. (external link)
• Nicolas Martinez-Majander; Shakar Kutal; Pauli Ylikotila et al. (2024). Association between heavy alcohol consumption and cryptogenic ischaemic stroke in young adults: A case-control study. (external link)
• Sahrai Saeed; Ulrike Waje-Andreassen; Halvor Næss et al. (2021). The impact of age and 24-h blood pressure on arterial health in acute ischemic stroke patients: The Norwegian stroke in the young study. (external link)
• Ole M. Rønning; Nicola Logallo; Bente Thommessen et al. (2019). Tenecteplase versus alteplase between 3 and 4.5 hours in low national institutes of health stroke scale. (external link)
• Christopher Elnan Kvistad; Halvor Øygarden; Lars Thomassen et al. (2013). Persistent middle cerebral artery occlusion associated with lower body temperature on admission. (external link)
• Aliona Nacu; Annette Fromm; Kristin Modalsli Sand et al. (2016). Age dependency of ischaemic stroke subtypes and vascular risk factors in western Norway: The Bergen Norwegian Stroke Cooperation Study. (external link)
• Vojtech Novotny; Aliona Nacu; Christopher Elnan Kvistad et al. (2017). Clinical importance of temporal bone features for the efficacy of contrast-enhanced sonothrombolysis: a retrospective analysis of the NOR-SASS Trial. (external link)
• Christopher Elnan Kvistad; Lars Thomassen; Ulrike Waje-Andreassen et al. (2014). Body temperature and major neurological improvement in tPA-treated stroke patients. (external link)
• Karsten Königstein; Denis Infanger; Randi Jacobsen Bertelsen et al. (2019). Is atopic sensitization associated with indicators of early vascular ageing in adolescents?. (external link)
• Halvor Næss; Annette Fromm; Ole-Erik Iversen et al. (2011). Decline of arterial cerebral infarction among young women: the Bergen Stroke Study. (external link)
• Aliona Nacu; Gerd Haga Bringeland; Andrej Khanevski et al. (2016). Early neurological worsening in acute ischaemic stroke patients. (external link)
• Bente Thommessen; Halvor Næss; Nicola Logallo et al. (2020). Tenecteplase versus alteplase after acute ischemic stroke at high age. (external link)
• Halvor Næss; Ulrike Waje-Andreassen; Lars Thomassen et al. (2017). A score for paroxysmal atrial fibrillation in acute ischemic stroke. (external link)
• Christopher Elnan Kvistad; Vojtech Novotny; Martin Kurz et al. (2019). Safety and Outcomes of Tenecteplase in Moderate and Severe Ischemic Stroke. (external link)
• Christopher Elnan Kvistad; Nicola Logallo; Halvor Øygarden et al. (2013). Elevated Admission Blood Pressure and Stroke Severity in Acute Ischemic Stroke: The Bergen NORSTROKE Study. (external link)
• Ulrike Waje-Andreassen; Darius G. Nabavi; Stefan T. Engelter et al. (2018). European Stroke Organisation certification of stroke units and stroke centres. (external link)

Conference abstract

• Nicola Logallo; Halvor Næss; Ulrike Waje-Andreassen et al. (2012). Intracranial atherosclerosis in Norway. Preliminary results from the Norwegian intracranial atherosclerosis study. (external link)
• Annette Fromm; Lars Thomassen; Halvor Næss et al. (2012). Generalized atherosclerotic disease among young ischemic stroke patients. Assessment by the NOR-SYS research protocol. The NORwegian Stroke in the Young study. (external link)
• Christopher Elnan Kvistad; Lars Thomassen; Ulrike Waje-Andreassen et al. (2012). Severe ischemic stroke associated with low body temperature within 6 hours of onset. The Bergen NORSTROKE study. (external link)
• Nicola Logallo; Halvor Næss; Ulrike Waje-Andreassen et al. (2010). Intracranial stenosis in a Norwegian ischemic stroke population. (external link)
• Aliona Nacu; Christopher Elnan Kvistad; Ulrike Waje-Andreassen et al. (2013). The Norwegian Sonothrombolysis in Acute Stroke study NOR-SASS. (external link)
• Titto Idicula; Ulrike Waje-Andreassen; Jan Brøgger et al. (2009). A prospective study of serum albumin in ischemic stroke patients; albumin is likely to be neuroprotective. (external link)

Letter to the editor

• Lars Thomassen; Halvor Næss; Ulrike Waje-Andreassen (2015). Re: Hva er god behandling ved akutt hjerneslag?. (external link)
• Marte Helene Bjørk; Lars Thomassen; Ulrike Waje-Andreassen (2011). Brev til redaktørenMarte-Helene Bjørk og medarbeidere svarer:. (external link)

Doctoral thesis (PhD)

• Ulrike Waje-Andreassen (2007). Hjerneinfarkt og inflammasjon. (external link)
• Halvor Øygarden; Ulrike Waje-Andreassen (2016). Family history in young and middle-aged acute ischemic stroke patients. The Norwegian Stroke in the Young Study. (external link)

Academic literature review

• Halvor Næss; Ulrike Waje-Andreassen (2010). Review of long-term mortality and vascular morbidity amongst young adults with cerebral infarction. (external link)
• Sahrai Saeed; Ulrike Waje-Andreassen; Peter M. Nilsson (2020). The association of the metabolic syndrome with target organ damage: focus on the heart, brain, and central arteries. (external link)
• Gard Mikael Saele Myrmel; Ulrike Waje-Andreassen; Jani Pirinen et al. (2025). Multimodality Cardiac Imaging in Ischemic Stroke: Insights into the Heart-Brain Interaction. (external link)
• Halvor Øygarden; Annette Fromm; Kristin Modalsli Sand et al. (2016). A family history of stroke is associated with increased intima-media thickness in young ischemic Stroke - The norwegian stroke in the young study (NOR-SYS). (external link)

Conference lecture

• Vojtech Novotny; Aliona Nacu; Gesche F Neckelmann et al. (2017). THE FEATURES OF THE TEMPORAL BONE WINDOW AND THEIR IMPLICATIONS FOR CONTRAST-ENHANCED SONOTHROMBOLYSIS IN ACUTE ISCHEMIC STROKE. (external link)

Conference poster

• Hanne Skuggen; Lena Midtgård Sivertsen; Hedda Døli et al. (2016). Speech, language and swallowing in young patients with acute ischemic stroke. A Norwegian Stroke in the Young Study (NOR-SYS) Project.. (external link)

See a complete overview of publications in NVA.