Geir Oystein Andersen
Overview
Explore the profile of Geir Oystein Andersen including associated specialties, affiliations and a list of published articles.
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68
Citations
881
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Recent Articles
1.
Svedlund Eriksson E, Lantero Rodriguez M, Halvorsen B, Johansson I, Martensson A, Wilhelmson A, et al.
Nat Commun
. 2025 Feb;
16(1):1142.
PMID: 39910039
Men develop larger infarct sizes than women after a myocardial infarction (MI), but the mechanism underlying this sex difference is unknown. Here, we demonstrated that blood neutrophil counts post-MI were...
2.
Bruun L, Andersen G, Kringen M, Myhre P, Halvorsen S, Hansen C, et al.
Eur J Clin Pharmacol
. 2025 Feb;
PMID: 39900827
Purpose: The clinical benefit of up-titration of metoprolol to a guideline-recommended target dose after myocardial infarction (MI) is unknown. Our aim was to investigate whether variation in metoprolol exposure determined...
3.
Jortveit J, Andersen G, Halvorsen S
Eur Heart J Acute Cardiovasc Care
. 2024 Oct;
13(12):828-837.
PMID: 39441985
Aims: To assess short- and long-term outcomes of acute myocardial infarction (AMI) complicated by out-of-hospital cardiac arrest (OHCA) or in-hospital cardiac arrest (IHCA) in a nationwide cohort. Methods And Results:...
4.
Woxholt S, Ueland T, Aukrust P, Anstensrud A, Broch K, Tollefsen I, et al.
Int J Cardiol
. 2024 Oct;
418:132613.
PMID: 39374793
Background: Tocilizumab improves myocardial salvage in ST-elevation myocardial infarction (STEMI) patients when administered before percutaneous coronary intervention (PCI). The mechanisms underlying ischemia-reperfusion injury remain unclear. In this sub-study, we investigated...
5.
Nendl A, Andersen G, Seljeflot I, Troseid M, Awoyemi A
Open Heart
. 2024 Sep;
11(2).
PMID: 39277188
Background: In acute heart failure (HF), reduced cardiac output, vasoconstriction and congestion may damage the intestinal mucosa and disrupt its barrier function. This could facilitate the leakage of bacterial products...
6.
Kindberg K, Broch K, Andersen G, Anstensrud A, Akra S, Woxholt S, et al.
JACC Adv
. 2024 Sep;
3(9):101193.
PMID: 39247678
Background: Interleukin-6-receptor inhibition with tocilizumab improves myocardial salvage in patients with ST-segment elevation myocardial infarction (STEMI). Reduced levels of neutrophil extracellular traps (NETs), which consist of nuclear material studded with...
7.
Melberg M, Flaa A, Andersen G, Sunde K, Bellomo R, Eastwood G, et al.
Resuscitation
. 2024 Jun;
201:110295.
PMID: 38936652
Purpose: Mild hypercapnia did not improve neurological outcomes for resuscitated out-of-hospital cardiac arrest (OHCA) patients in the Targeted Therapeutic Mild Hypercapnia After Resuscitated Cardiac Arrest (TAME) trial. However, the effects...
8.
Reichenbach A, Alteheld L, Henriksen J, Nakstad E, Andersen G, Sunde K, et al.
Front Neurol
. 2023 Oct;
14:1222401.
PMID: 37859655
Background: Early prediction of outcomes in comatose patients after out-of-hospital cardiac arrest is challenging. Prognostication tools include clinical examination, biomarkers, and neuroradiological and neurophysiological tests. We studied the association between...
9.
Melberg M, Flaa A, Andersen G, Sunde K, Bellomo R, Eastwood G, et al.
Resuscitation
. 2023 Sep;
193:109970.
PMID: 37716401
Aim: Hypercapnia may elicit detrimental haemodynamic effects in critically ill patients. We aimed to investigate the consequences of targeted mild hypercapnia versus targeted normocapnia on pulmonary vascular resistance and right...
10.
Woxholt S, Ueland T, Aukrust P, Anstensrud A, Broch K, Tollefsen I, et al.
Open Heart
. 2023 Aug;
10(2).
PMID: 37591633
Background: Tocilizumab improves myocardial salvage index (MSI) in patients with ST-elevation myocardial infarction (STEMI), but its mechanisms of action are unclear. Here, we explored how cytokines were affected by tocilizumab...