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En sonografisk jämförelse mellan blodflödeshastigheter i arteria carotis interna och arteria carotis externa
Jönköping University, School of Health and Welfare, HHJ, Dept. of Natural Science and Biomedicine.
2022 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
A sonographic comparison between blood flow velocity in the internal carotid artery and the external carotid artery (English)
Abstract [sv]

Ultraljudsundersökning av arteria carotis interna (ICA) och arteria carotis externa (ECA) utförs på fysiologiska kliniker för att bland annat bedöma blodflödeshastigheten i kärlen. Det kan i sin tur användas vid diagnostik av plack och stenoser. Behandling av stenos är viktigt eftersom det kan leda till stroke och transitorisk ischemisk attack (TIA). Syftet med den här studien är att jämföra den maximala blodflödeshastigheten i ECA och ICA, samt om den skiljer sig mellan höger och vänster sida. I studien inkluderades 36 deltagare i åldern 20–27 år. Resultatet analyserades med ett parat t-test samt med en korrelationsanalys. En statistisk signifikant skillnad identifierades vid jämförelse av ICA och ECA på samma sida. Ingen signifikant skillnad observerades vid sidojämförelse av vänster och höger ECA respektive ICA. En korrelation påvisades mellan vänster och höger ECA samt mellan vänster och höger ICA. Ytterligare en signifikant korrelation identifierades mellan ECA bilateralt och ICA dx. Slutsatsen med studien är att det finns en statistisk skillnad mellan flödeshastigheten i ICA och ECA och därav går det inte att använda samma referensvärden till båda kärlen. 

Abstract [en]

Ultrasound examination of the internal carotid artery (ICA) and the external carotid artery (ECA) is performed in physiological clinics to assess the blood flow velocity in the vessels. Furthermore, it can be used in the diagnosis of plaque and stenoses. Treatment of stenosis is important as it can lead to stroke and transient ischemic attack (TIA). The purpose of this study is to compare the maximum blood flow velocity in ECA and ICA and allocate a possible difference between the right and left side. The study included 36 participants between the ages of 20–27. The result was analyzed using a paired t-test and a correlation analysis. A statistical significance was identified when comparing ICA and ECA on the same side. No significant difference was found when comparing left and right ECA and ICA. One correlation was detected between left and right ECA and between left and right ICA. Another correlation was identified between ECA bilaterally and ICA dexter. The conclusion of this study is that there is a significant difference between the flow velocity in ICA and ECA and therefore it is not possible to use the same reference values ​​for both vessels.

Place, publisher, year, edition, pages
2022. , p. 29
Keywords [en]
carotid arteries, ultrasound, carotid duplex, peak systolic velocity, stenosis
Keywords [sv]
Halsartärer, ultraljud, carotisduplex, toppsystolisk hastighet, stenos
National Category
Biomedical Laboratory Science/Technology
Identifiers
URN: urn:nbn:se:hj:diva-57680ISRN: JU-HHJ-BLA-1-20220131OAI: oai:DiVA.org:hj-57680DiVA, id: diva2:1676497
Subject / course
HHJ, Biomedical Laboratory Science
Supervisors
Examiners
Available from: 2022-06-27 Created: 2022-06-26 Last updated: 2025-10-13Bibliographically approved

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