Characteristics and outcomes in patients with COVID-19 and acute ischemic stroke: the global COVID-19 stroke registry

…, A Arauz, V Cano-Nigenda, ES Kristoffersen… - Stroke, 2020 - Am Heart Assoc
Recent case-series of small size implied a pathophysiological association between coronavirus
disease 2019 (COVID-19) and severe large-vessel acute ischemic stroke. Given that …

Medication-overuse headache: epidemiology, diagnosis and treatment

ES Kristoffersen, C Lundqvist - Therapeutic advances in …, 2014 - journals.sagepub.com
Medication-overuse headache (MOH) is one of the most common chronic headache
disorders and a public health problem with a worldwide prevalence of 1–2%. It is a condition …

European Academy of Neurology guideline on the management of medication‐overuse headache

…, R Jensen, M Lainez, ES Kristoffersen… - European journal of …, 2020 - Wiley Online Library
Background The frequent use of medication to treat migraine attacks can lead to an increase
in migraine frequency and is called medication‐overuse headache (MOH). Methods Based …

[HTML][HTML] Is there a causal relationship between stress and migraine? Current evidence and implications for management

A Stubberud, DC Buse, ES Kristoffersen… - The journal of headache …, 2021 - Springer
Background The purpose of this narrative review is to examine the literature investigating a
causal relationship between stress and migraine and evaluate its implications for managing …

Effect of COVID‐19 pandemic on stroke admission rates in a Norwegian population

ES Kristoffersen, SH Jahr… - Acta Neurologica …, 2020 - Wiley Online Library
Objectives There are concerns that public anxiety around COVID‐19 discourages patients
from seeking medical help. The aim of this study was to see how lockdown due to the …

Brief intervention for medication-overuse headache in primary care. The BIMOH study: a double-blind pragmatic cluster randomised parallel controlled trial

ES Kristoffersen, J Straand, KG Vetvik… - Journal of Neurology …, 2015 - jnnp.bmj.com
Background Medication-overuse headache (MOH) is common in the general population. We
investigated effectiveness of brief intervention (BI) for achieving drug withdrawal in primary …

Medication-overuse headache: a review

ES Kristoffersen, C Lundqvist - Journal of pain research, 2014 - Taylor & Francis
Medication-overuse headache (MOH) is a worldwide health problem with a prevalence of 1%–2%.
It is a severe form of headache where the patients often have a long history of …

[HTML][HTML] Management of primary chronic headache in the general population: the Akershus study of chronic headache

ES Kristoffersen, RB Grande, K Aaseth… - The journal of headache …, 2012 - Springer
Primary chronic headaches cause more disability and necessitate high utilisation of health
care. Our knowledge is based on selected populations, while information from the general …

Incidence and mortality of cerebral venous thrombosis in a Norwegian population

ES Kristoffersen, CE Harper, KG Vetvik, S Zarnovicky… - Stroke, 2020 - Am Heart Assoc
… All these patients were manually screened (Drs Saxhaug Kristoffersen and Elena Harper). …
for potential CVT cases (Dr Saxhaug Kristoffersen). All neuroradiological assessments for the …

Global impact of the COVID-19 pandemic on stroke volumes and cerebrovascular events: a 1-year follow-up

…, MH Mohammaden, DC Haussen, ES Kristoffersen… - Neurology, 2023 - AAN Enterprises
Background and Objectives Declines in stroke admission, IV thrombolysis (IVT), and mechanical
thrombectomy volumes were reported during the first wave of the COVID-19 pandemic. …