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Sökning: WFRF:(Siegbahn Agneta 1947 ) > Platelet inhibition...

  • Alström, UlricaUppsala universitet,Anestesiologi och intensivvård (författare)

Platelet inhibition assessed with VerifyNow, flow cytometry and PlateletMapping in patients undergoing heart surgery

  • Artikel/kapitelEngelska2009

Förlag, utgivningsår, omfång ...

  • Elsevier BV,2009
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:uu-120242
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-120242URI
  • https://doi.org/10.1016/j.thromres.2009.06.024DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:119620610URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • INTRODUCTION: A substantial number of patients with coronary artery disease undergo cardiac surgery within five days of discontinuing anti-platelet treatment with aspirin and clopidogrel. The aims of this study were to describe the degree of platelet inhibition in patients with dual anti-platelet treatment scheduled for coronary artery bypass graft (CABG) surgery and to investigate whether the measured platelet inhibition correlated to intra- and postoperative risk for bleeding and transfusion requirements. MATERIAL AND METHODS: Sixty patients were included. Platelet inhibition was analysed with flow cytometry including phosphorylation status of the vasodilator-stimulated phosphoprotein (VASP-assay) and two bed-side analyzers, VerifyNow-System and PlateletMapping, a modified thrombelastograph. All 60 patients were analysed with VerifyNow and PlateletMapping, and 48 were analysed with flow cytometry and VASP-assay. RESULTS: There was a correlation between the ADP-receptor inhibition as measured by VASP-assay and VerifyNowP2Y(12) (r = -0.29, p<0.05), and between VASP-assay and the expression of P-selectin (r = 0.29, p<0.05) as measured by flow cytometry when platelets were stimulated with 5 microM ADP. VerifyNowP2Y(12) was the only measurement of platelet inhibition correlated to total blood loss (Spearman r = 0.29, p=0.03) and red blood cell transfusion (Spearman r = 0.43, p<0.01) requirements, although this might be confounded by aprotinin treatment. CONCLUSION: We found a modest agreement between the methods for preoperative platelet inhibition, though not for PlateletMapping-MA(ADP). There was a correlation between preoperative platelet inhibition measured by VerifyNowP2Y(12) and surgical blood loss or transfusion requirements. However, for the individual patient, preoperative use of VerifyNowP2Y(12) as an instrument to decide bleeding and transfusion risk does not seem helpful.

Ämnesord och genrebeteckningar

  • MEDICINE
  • MEDICIN

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Granath, FredrikKarolinska Institutet (författare)
  • Oldgren, Jonas,1964-Uppsala universitet,Institutionen för medicinska vetenskaper,Uppsala kliniska forskningscentrum (UCR)(Swepub:uu)jonaoldg (författare)
  • Ståhle, ElisabethUppsala universitet,Thoraxkirurgi(Swepub:uu)elsat102 (författare)
  • Tydén, Hans (författare)
  • Siegbahn, Agneta,1947-Uppsala universitet,Klinisk kemi(Swepub:uu)agsie424 (författare)
  • Uppsala universitetAnestesiologi och intensivvård (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Thrombosis Research: Elsevier BV124:5, s. 572-5770049-38481879-2472

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