Blar i forfatter "Halvorsen, Per Steinar"

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    • Open chest and pericardium facilitate transpulmonary passage of venous air emboli 

      Storm, Benjamin; Halvorsen, Per Steinar; Skulstad, Helge; Dybwik, Knut Gustav; Schjalm, Camilla; Christiansen, Dorte; Wisløff-Aase, Kristin; Fosse, Erik; Braaten, Tonje Bjørndal; Nielsen, Erik Waage; Mollnes, Tom Eirik (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-17)
      <p><i>Background:</i> Transpulmonary passage of air emboli can lead to fatal brain- and myocardial infarctions. We studied whether pigs with open chest and pericardium had a greater transpulmonary passage of venous air emboli than pigs with closed thorax. <p><i>Methods:</i> We allocated pigs with verified closed foramen ovale to venous air infusion with either open chest with sternotomy and opening ...

    • Reduced inflammatory response by transcatheter, as compared to surgical aortic valve replacement 

      Hauge, Karoline Kråkmo; Dahle, Gry; Bendz, Bjørn; Halvorsen, Per Steinar; Abdelnoor, Michael; Mollnes, Tom Eirik; Fosse, Erik (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-12-12)
      <i>Objectives</i>. The inflammatory response to on-pump cardiac surgery is well known. Systemic inflammatory response syndrome after transcatheter valve implantation (TAVI) has been reported. The objective of this study was to study the inflammatory response during TAVI, and compare with the response during surgical aortic valve replacement. <i>Methods</i>. Eighteen patients undergoing transcatheter ...

    • Sepsis causes right ventricular myocardial inflammation independent of pulmonary hypertension in a porcine sepsis model 

      Pischke, Søren; Hestenes, Siv Merete; Johansen, Harald Thidemann; Fure, Hilde; Bugge, Jan F; Espinoza, Andreas Westenvik; Skulstad, Helge; Edvardsen, Thor; Fosse, Erik; Mollnes, Tom Eirik; Halvorsen, Per Steinar; Nielsen, Erik Waage (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-06-27)
      <i>Introduction</i> - Right ventricular (RV) myocardial dysfunction is a common feature in septic shock. It can worsen outcome, but the etiology is poorly understood. Pulmonary artery hypertension (PAH) plays a part in the pathogenesis of the right heart dysfunction in sepsis but its importance is unknown. In pigs, PAH in sepsis is substantial and the translational value of porcine sepsis models ...