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Cardiopulmonary bypass and dual antiplatelet therapy: a strategy to minimise transfusions and blood loss
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Avdelningen för medicin.
Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Anestesiologi och intensivvård.
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Kardiologi.ORCID-id: 0000-0002-8171-7227
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Kardiologi.
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2020 (Engelska)Ingår i: Perfusion, ISSN 0267-6591, E-ISSN 1477-111X, Vol. 35, nr 3, s. 236-245Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background: Patients with preoperative dual antiplatelet therapy prior to coronary artery bypass surgery are at risk of bleeding and blood component transfusion. We hypothesise that an optimised cardiopulmonary bypass strategy reduces postoperative blood loss and transfusions.

Methods: In total, 60 patients admitted for coronary artery bypass grafting with ticagrelor and aspirin medication withdrawn <96 hours before surgery were prospectively randomised into two equal sized groups. Cardiopulmonary bypass combined a closed Cortiva (R) heparin-coated circuit with low systemic heparinisation (activated clotting time < 250 seconds) and intraoperative cell salvage in the study group, whereas the control group used a Balance (R) coated open circuit, full systemic heparinisation (activated clotting time > 480 seconds) and conventional cardiotomy suction. This perfusion strategy was evaluated by the chest drain volume after 24 hours, perioperative haemoglobin and platelet loss accompanied by global coagulation assessments.

Results: Patients in the study group demonstrated significantly better outcomes signified by lower blood loss 554 +/- 224 versus 1,100 +/- 989 mL (p < 0.001), reduced packed red cell transfusion 7% versus 53% (p < 0.001), reduced haemoglobin -28 +/- 15 versus -40 +/- 14 g/L (p = 0.004) and platelet loss -35 +/- 36 versus -82 +/- 67 x 10(9)/L (p = 0.001). Indices of rotational thromboelastometry indicated shorter clotting times within the internal and external pathways. Adenosine diphosphate activated platelet function was within normal range based on Multiplate (R) aggregometry, while ROTEM (R) platelet analyses indicated inhibited function both preoperatively and post-bypass. Platelet inhibition by aspirin was verified throughout the perioperative period. Platelet function showed no intergroup differences.

Conclusion: A stringent perfusion strategy reduced blood loss and transfusions in dual antiplatelet therapy patients requiring urgent surgery.

Ort, förlag, år, upplaga, sidor
Sage Publications, 2020. Vol. 35, nr 3, s. 236-245
Nyckelord [en]
cardiopulmonary bypass, platelet inhibitors, blood loss
Nationell ämneskategori
Kardiologi
Identifikatorer
URN: urn:nbn:se:umu:diva-164540DOI: 10.1177/0267659119867005ISI: 000483493800001PubMedID: 31446845Scopus ID: 2-s2.0-85071554803OAI: oai:DiVA.org:umu-164540DiVA, id: diva2:1370176
Tillgänglig från: 2019-11-14 Skapad: 2019-11-14 Senast uppdaterad: 2023-04-26Bibliografiskt granskad

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Karlsson, MattiasHannuksela, MatiasAppelblad, MicaelHällgren, OskarJohagen, DanielSvenmarker, Staffan

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Karlsson, MattiasHannuksela, MatiasAppelblad, MicaelHällgren, OskarJohagen, DanielSvenmarker, Staffan
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Avdelningen för medicinAnestesiologi och intensivvårdKardiologi
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