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Analysis of intraos...
Analysis of intraosseous samples using point of care technology : an experimental study in the anaesthetised pig
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- Strandberg, Gunnar (författare)
- Uppsala universitet,Anestesiologi och intensivvård
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- Eriksson, Mats (författare)
- Uppsala universitet,Anestesiologi och intensivvård
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- Gustafsson, Mats G (författare)
- Uppsala universitet,Cancerfarmakologi och beräkningsmedicin
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- Lipcsey, Miklós (författare)
- Uppsala universitet,Anestesiologi och intensivvård
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- Larsson, Anders (författare)
- Uppsala universitet,Biokemisk struktur och funktion,Klinisk kemi
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(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- Engelska.
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Ingår i: Resuscitation. - : Elsevier BV. - 0300-9572 .- 1873-1570. ; 83:11, s. 1381-1385
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- BACKGROUND:Intraosseous access is an essential method in emergency medicine when other forms of vascular access are unavailable and there is an urgent need for fluid or drug therapy. A number of publications have discussed the suitability of using intraosseous access for laboratory testing. We aimed to further evaluate this issue and to study the accuracy and precision of intraosseous measurements.METHODS:Five healthy, anaesthetised pigs were instrumented with bilateral tibial intraosseous cannulae and an arterial catheter. Samples were collected hourly for 6h and analysed for blood gases, acid base status, haemoglobin and electrolytes using an I-Stat(®) point of care analyser.RESULTS: There was no clinically relevant difference between results from left and right intraosseous sites. The variability of the intraosseous sample values, measured as the coefficient of variance (CV), was maximally 11%, and smaller than for the arterial sample values for all variables except SO(2). For most variables, there seems to be some degree of systematic difference between intraosseous and arterial results. However, the direction of this difference seems to be predictable.CONCLUSION: Based on our findings in this animal model, cartridge based point of care instruments appear suitable for the analysis of intraosseous samples. The agreement between intraosseous and arterial analysis seems to be good enough for the method to be clinically useful. The precision, quantified in terms of CV, is at least as good for intraosseous as for arterial analysis. There is no clinically important difference between samples from left and right tibia, indicating a good reproducibility.
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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