varfarina e femprocumona: experiência de um ambulatório de anticoagulação warfarina y femprocumona: experiencia de una unidad de anticoagulación warfarin and phenprocoumon: experience of an outpatient anticoagulation clinic
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Abstract
FUNDAMENTO: Los anticoagulantes orales son ampliamente utilizados en la cardiología. Con todo, una evaluación acerca de su utilización en la práctica clínica es necesaria todavía. OBJETIVO: Describir las diferencias en el mantenimiento del control de la anticoagulación, así como la incidencia de eventos hemorrágicos y tromboembólicos entre sus usuarios de warfarina y femprocumona. MÉTODOS: Estudio de cohorte no concurrente de 127 pacientes en tratamiento con anticoagulación oral. RESULTADOS: La femprocumona fue el anticoagulante más utilizado en el 60% de los pacientes. La prevalencia de INR<2 en la última consulta era mayor entre los usuarios de warfarina (46% vs 19,5%; P<0,001). Durante el seguimiento, los usuarios de la femprocumona estuvieron dentro de los niveles terapéuticos en el 60,7% del período en comparación con el 45,6% de los usuarios de la warfarina (OR:1,84;CI95%:1,59-2,13;P<0,001). La incidencia de sangrados fue de 5,3/100 pacientes/año en el grupo de la femprocumona contra 18,8/100 pacientes/años en el grupo warfarina (RR:3,5;CI95%:1,87-6,48;P<0,001). CONCLUSIÓN: Pacientes que hacían uso de la warfarina permanecieron en niveles subterapéuticos por un mayor período, sin embargo presentaron también más eventos hemorrágicos. Los usuarios de la femprocumona eran más jóvenes y estaban utilizando la anticoagulación oral por un período mayor, habiendo presentado menos efectos adversos de estas medicaciones.
BACKGROUND: Oral anticoagulants are broadly used in cardiology. However, it is still necessary to evaluate their use in clinical practice. OBJECTIVES: To describe the differences in the maintenance of anticoagulation control, as well as the incidence of hemorrhagic and thromboembolic events among users of warfarin and phenprocoumon. METHODS: Non-concurrent cohort study of 127 patients using oral anticoagulation. RESULTS: Phenprocoumon was the most frequently used anticoagulant in 60% of the patients. The prevalence of RNI<2 at the last medical appointment was higher among warfarin users (46% vs. 19.5%; p<0.001). During the follow-up, Phenprocoumon users were within the therapeutic range during 60.7% of the period, in comparison with 45.6% of warfarin users (OR:1.84; 95%CI:1.59-2.13; P<0.001). The incidence of bleeding was 5.3/100 patients/year in the phenprocoumon group versus 18.8/100 patients/year in the warfarin group (RR: 3.5; 95%CI: 1.87-6.48; P<0.001). CONCLUSION: Patients that used Warfarin remained at subtherapeutic levels for a longer period; however, they also presented more hemorrhagic events. Phenprocoumon users were younger and had been using oral anticoagulation for longer periods, presenting fewer drug-related adverse events.
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leiria2010arquivosvarfarina
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| Authors | ;Tiago Luiz Luz Leiria;Lucia Pellanda;Marcelo Haertel Miglioranza;Roberto Tofani Sant'Anna;Lucas S. Becker;Eros Magalhães;Gustavo Glotz de Lima |
| Journal | revista cubana de ciencias informáticas |
| Year | 2010 |
| DOI |
10.1590/S0066-782X2010000100008
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| URL | |
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