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| Aranda,V.F. de; Derogis,P.B.M.; Sanches,L.R.; Mangueira,C.L.P.; Katz,M.; Faulhaber,A.C.L.; Mendes,C.E.A.; Ferreira,C.E. dos Santos; França,C.N.; Guerra,J.C. de Campos. |
| The aim of the study was to evaluate the diagnostic accuracy of thromboelastometry for assessing rivaroxaban concentrations. The accuracy of thromboelastometry was compared with the high-performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) method, which is the gold standard for drug plasma monitoring (the reference standard). Forty-six clinically stable patients were treated with 10, 15, or 20 mg of rivaroxaban once daily (OD group) or 15 mg twice a day (BID group) (no particular indication for treatment). Patient samples were collected 2 h after the use of the medication (peak) and 2 h before the next dose (trough). The rivaroxaban plasma concentrations were determined via HPLC-MS/MS, and thromboelastometry was performed using a ROTEM®... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Anticoagulants; Blood coagulation; Plasma concentration; Rivaroxaban; Tandem mass spectrometry; Thromboelastometry. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2019000400603 |
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| Santos,M.F.M.; Oliveira,F.C.A.C.; Kishimoto,R.K.; Borri,D.; Santos,F.P.S.; Campregher,P.V.; Silveira,P.A.A.; Hamerschlak,N.; Mangueira,C.L.P.; Duarte,F.B.; Crepaldi,A.H.; Salvino,M.A.; Velloso,E.D.R.P.. |
| Cytogenetics is essential in myeloid neoplasms (MN) and pre-analytical variables are important for karyotyping. We assessed the relationship between pre-analytical variables (time from collection to sample processing, material type, sample cellularity, and diagnosis) and failures of karyotyping. Bone marrow (BM, n=352) and peripheral blood (PB, n=69) samples were analyzed from acute myeloid leukemia (n=113), myelodysplastic syndromes (n=73), myelodysplastic syndromes/myeloproliferative neoplasms (n=17), myeloproliferative neoplasms (n=137), and other with conclusive diagnosis (n=6), and reactive disorders/no conclusive diagnosis (n=75). The rate of unsuccessful karyotyping was 18.5% and was associated with the use of PB and a low number of nucleated cells... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cytogenetics; Karyotype; Leukemia; Myelodysplasia; Myeloproliferative disease. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2019000200608 |
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