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Effects of the oral...
Effects of the oral, direct factor Xa inhibitor rivaroxaban on commonly used coagulation assays
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- Hillarp, Andreas (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups,University and Reg Labs Reg Scania
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- Baghaei, Fariba, 1964 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine,Sahlgrens University Hospital
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- Fagerberg Blixter, Inger, 1956 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine,University of Gothenburg
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- Gustafsson, K M (författare)
- Linköpings universitet,Institutionen för klinisk och experimentell medicin,Hälsouniversitetet
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- Stigendal, Lennart (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin,Institute of Medicine, Department of Internal Medicine,Sahlgrens University Hospital
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- Sten-Linder, M (författare)
- Karolinska Institutet,Karolinska Institute
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- Strandberg, Karin (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups,University and Reg Labs Reg Scania
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- Lindahl, Tomas (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Klinisk kemi,Hälsouniversitetet
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(creator_code:org_t)
- Blackwell Publishing, 2011
- 2011
- Engelska.
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Ingår i: JOURNAL OF THROMBOSIS AND HAEMOSTASIS. - : Blackwell Publishing. - 1538-7933 .- 1538-7836. ; 9:1, s. 133-139
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Abstract
Ämnesord
Stäng
- Introduction: Rivaroxaban is an oral direct factor Xa inhibitor developed for prophylaxis and treatment of thromboembolic disorders. Laboratory monitoring is not necessary but the dose-dependent effects on common reagents and assay procedures are largely unknown. Objectives: To investigate the effect of rivaroxaban on commonly used coagulation assays. Materials and Methods: Rivaroxaban was added to plasma from healthy subjects in the concentration range 0-1000 mu g L-1 and analyzed using different reagents for activated partial thromboplastin time (APTT), prothrombin time (PT), antithrombin, fibrinogen and activated protein C (APC) resistance assays. Results: At an expected peak concentration of rivaroxaban in clinical use, the APTTs were almost invariably prolonged but at lower concentrations the effect was weak. The concentration needed to double the APTT varied between 389 +/- 106 and 617 +/- 149 mu g L-1 for different reagents. The PT assays showed a marked degree of difference. In general, the Quick PT type assays were more sensitive compared with the Owren type PT assays. The results from antithrombin assays were dependent on the type of reagent, with the Xa-based assay being sensitive for rivaroxaban with an estimated increase of 0.09 IU mL-1 per 100 mu g L-1 rivaroxaban. There were only minor effects on fibrinogen assays based on thrombin reagents. The APTT-based assay for APC resistance is affected in a dose-dependent manner whereas an assay based on the activation of coagulation at the prothrombinase level was unaffected. Conclusions: Different assays, and even different reagents within an assay group, display variable effects by therapeutic concentrations of rivaroxaban.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
Nyckelord
- anticoagulants
- coagulation assays
- direct Xa inhibitor
- rivaroxaban
- MEDICINE
- MEDICIN
- anticoagulants
- coagulation assays
- direct xa inhibitor
- rivaroxaban
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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