Blar i Bergen Open Research Archive på forfatter "Sivertsen, Joar"
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Cold-stored whole blood in a Norwegian emergency helicopter service: an observational study on storage conditions and product quality
Bjerkvig, Christopher Kalhagen; Sivertsen, Joar; Bråthen, Hanne Kristin; Lunde, Turid Helen Felli; Strandenes, Geir; Assmus, Jörg; Hervig, Tor; Cap, Andrew P.; Kristoffersen, Einar Klæboe; Fosse, Theodor; Apelseth, Torunn Oveland (Journal article; Peer reviewed, 2020)BACKGROUND Increasing numbers of emergency medical service agencies and hospitals are developing the capability to administer blood products to patients with hemorrhagic shock. Cold‐stored whole blood (WB) is the only ... -
Effect of leukoreduction and temperature on risk of bacterial growth in CPDA-1 whole blood: A study of Escherichia coli
Braathen, Hanne; Sivertsen, Joar; Lunde, Turid Helen Felli; Strandenes, Geir; Lindemann, Paul Christoffer; Assmus, Jörg; Hervig, Tor Audun; Apelseth, Torunn Oveland (Journal article; Peer reviewed, 2021)Background Collection of non-leukoreduced citrate-phosphate-dextrose-adenine (CPDA-1) whole blood is performed in walking blood banks. Blood collected under field conditions may have increased risk of bacterial contamination. ... -
In vitro kvalitet og hemostatisk funksjon i kaldlagret CPDA-1 fullblod etter gjentatte temperatursvingninger til 28 °C
Sivertsen, Joar (Master thesis, 2021-11-15)Bakgrunn: Blodprodukter blir ofte utsatt for romtemperatur eller høyere i lengre perioder enn tillatt av retningslinjer. Jeg undersøkte om dette førte til målbar effekt på mye brukte kvalitetsparametere og viskoelastisk ... -
In vitro quality and hemostatic function of cold-stored CPDA-1 whole blood after repeated transient exposure to 28°C storage temperature
Sivertsen, Joar; Hervig, Tor Audun; Strandenes, Geir; Kristoffersen, Einar Klæboe; Braathen, Hanne; Apelseth, Torunn Oveland (Journal article; Peer reviewed, 2022)Background Blood products are frequently exposed to room temperature or higher for longer periods than permitted by policy. We aimed to investigate if this resulted in a measurable effect on common quality parameters and ... -
A whole blood based resuscitation strategy in civilian medical services: Experience from a Norwegian hospital in the period 2017–2020
Hagen, Kristin Gjerde; Strandenes, Geir; Kristoffersen, Einar Klæboe; Braathen, Hanne; Sivertsen, Joar; Bjerkvig, Christopher Kalhagen; Sommerfelt-Pettersen, Nina Grindheim; Aasheim, Irmelin Beathe; Lunde, Turid Helen Felli; Hervig, Tor; Apelseth, Torunn Oveland (Journal article; Peer reviewed, 2021)Background: Civilian and military guidelines recommend early balanced transfusion to patients with life-threatening bleeding. Low titer group O whole blood was introduced as the primary blood product for resuscitation of ...