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Sökning: swepub > Larsson Anders > Tidskriftsartikel > Eriksson Mats

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21.
  • Eriksson, Mats, et al. (författare)
  • Evaluation of intraosseous sampling for measurements of alanine aminotransferase, alkaline phosphatase, aspartate aminotransferase, creatinine kinase, gamma-glutamyl transferase and lactate dehydrogenase.
  • 2016
  • Ingår i: Scandinavian Journal of Clinical and Laboratory Investigation. - : Informa UK Limited. - 0036-5513 .- 1502-7686. ; 76:8, s. 597-600
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Intraosseous (IO) access can be established faster than a venous or arterial access when there is an urgent need for rapid initiation of treatment. The access can also be used to draw marrow samples. The aim of the present study was to evaluate the potential use of IO samples for enzyme determinations using a porcine model.MATERIALS AND METHODS: Bilateral tibial intraosseous cannulae and an arterial catheter were used for blood sampling from five healthy anesthetized pigs. Samples were collected at baseline and thereafter hourly for 6 h and analyzed for alanine aminotransferase, alkaline phosphatase, aspartate aminotransferase, creatinine kinase, gamma-glutamyl transferase and lactate dehydrogenase.RESULTS: Creatinine kinase, lactate dehydrogenase and alkaline phosphatase levels decreased over time. The differences between IO and arterial sampling were limited for all studied markers.CONCLUSION: The correlation between marrow and blood analysis for liver function tests and CK is sufficiently accurate in an emergency situation.
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22.
  • Eriksson, Mats, et al. (författare)
  • [In Process Citation].
  • 2015
  • Ingår i: Läkartidningen. - 0023-7205 .- 1652-7518. ; 112
  • Tidskriftsartikel (refereegranskat)abstract
    • Intraosseous administration of fluids and drugs is valuable when vascular access is difficult to achieve. Intraosseous needles are useful tools in such cases. Sampling of aspirates through such needles have raised concern regarding the possibility that aspirated bone marrow particles could damage analysis equipment. We recommend that point-of-care equipment should be used as far as possible when intraosseous aspirates are analyzed. This is especially relevant when whole blood (i.e. blood gases) is analyzed.When centrifuged, possibly occurring bone marrow particles are deposited in the pellet, whereas the supernatant essentially corresponds to plasma. We have successfully analyzed creatinine, mor-phine and troponin in such samples. Leucocytes and platelets, which are formed in the bone marrow, may cause falsely elevated values when intraosseous aspirates are analyzed. The risk of hemolysis, and its potential effect on certain analyses, should be considered.
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23.
  • Eriksson, Mats, et al. (författare)
  • Increased platelet microvesicle formation is associated with mortality ina porcine model of endotoxemia
  • 1998
  • Ingår i: Acta Anaesthesiologica Scandinavica. - : Wiley. - 0001-5172 .- 1399-6576. ; 42:5, s. 551-557
  • Tidskriftsartikel (refereegranskat)abstract
    • Background:Gram-negative sepsis in humans and endotoxemia in pigs induce the formation of platelet microvesicles. These microvesicles are active in homeostasis and may thus contribute to the outcome in patients with activated coagulation and fibrinolysis. We decided to prospectively evaluate the effects of endotoxemia on microvesicle formation and some common physiologic variables against survival in a porcine model.Methods:Nineteen included pigs were anesthetized, monitored and subjected to an infusion of E. coli endotoxin. Microvesicle formation was determined by flow cytometry.Results:The formation of microvesicles was significantly increased in the 6 pigs that died during endotoxin exposure. This increased formation became significant from the 3rd hour of endotoxemia. Microvesicle formation did not increase in surviving endotoxemic pigs. Cardiac index, mean arterial blood pressure, base excess and systemic vascular resistance index were distinctly reduced in the animals that died as compared to those surviving the endotoxemic period.Conclusion:The increased formation of platelet microvesicles seems to be associated with poor prognosis in porcine endotoxemia. Since microvesicles are active in coagulation, they may contribute to the derangement of the coagulation system caused by endotoxemia. Different degrees of microvesicle formation may reflect inter-individual responses to a given challenge.
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24.
  • Eriksson, Mats, et al. (författare)
  • Intraosseös provtagning kan vara värdefull i akuta lägen
  • 2015
  • Ingår i: Läkartidningen. - 0023-7205 .- 1652-7518. ; 112:9, s. 395-396
  • Tidskriftsartikel (refereegranskat)abstract
    • En intraosseös infart kan ha stor klinisk betydelse i den akuta situationen då det är svårt att få kärlaccess.Provtagning via intraosseösanålar har ifrågasatts med tanke på risken att aspirera benmärgs-partiklar.Vi rekommenderar, så långt det är möjligt, patientnära metoder för intraosseösa prov. Detta gäl-ler särskilt då helblod (exempel-vis blodgaser) ska analyseras.Vid centrifugering av intraosse-öst aspirat kommer eventuella benmärgspartiklar att hamna i pelleten. Supernatanten motsva-rar närmast plasma. Vi har på så sätt analyserat kreatinin, morfin och troponin i intraosseösa prov.Leukocyter och trombocyter,vilka bildas i benmärgen, kan ge falskt förhöjda värden vid analys av intraosseösa prov. Risken för hemolys bör övervägas.
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30.
  • Kiiski, Ritva, et al. (författare)
  • An inhibitor of angiotensin converting enzyme (enalapril) augments endotoxin-induced hypotension in the pig
  • 1999
  • Ingår i: Upsala Journal of Medical Sciences. - 0300-9734. ; 104:2, s. 163-176
  • Tidskriftsartikel (refereegranskat)abstract
    • Septic shock causes an extensive inflammatory reaction including increased capillary leakage and a decrease in systemic blood pressure. Human septic shock can be replicated in the endotoxaemic pig. Angiotensin converting enzyme (ACE) is involved in the degradation of bradykinin, an inflammatory mediator, and in the regulation of blood pressure. Inhibition of ACE is a common approach to reduce hypertension as well as left ventricular insufficiency. Fifteen anaesthetised pigs received a continuous 3 h endotoxin infusion. The animals were randomly given an inhibitor of ACE (enalpril) [at a dose (0.5 mg x kg-1) that did not per se reduce mean arterial blood pressure (MAP); (n = 7)], or the corresponding volume of saline (n = 8). Another seven pigs were randomised for treatment with enalapril (0.5 mg x kg-1) + saline (n = 3). Four pigs were randomised to serve as untreated controls (saline + saline). Basic physiologic variables were registered. Endotoxaemia progressively reduced MAP. This decrease was significantly augmented by enalapril. Hypovolemia caused by increased permeability or salt/water excretion did not seem to explain this effect as neither blood haemoglobin nor plasma sodium differed between the two groups of endotoxaemic pigs. Inhibitors of ACE are known to potentiate the cardio-depressant effect of bradykinin. This may explain the reduction in MAP by enalapril during porcine endotoxaemia.
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