Introduction: Dental treatment performed in patients on anticoagulant drug therapy is becoming increasingly common in dental offices. Thus, questions concerning thromboembolic and bleeding risks relative to invasive dental procedures, are frequently raised. Aim: To review the scientific evidences regarding anticoagulant therapy interruption in patients taking warfarin undergoing oral surgeries. Methods: It was carried out a literature review in the electronic SciELO, PubMed, Lilacs and Oviatt Library databases from January to March of 2016, using as descriptors: Anticoagulants, Warfarin, Oral Surgery, and Oral Hemorrhage. Results and Discussion: Anticoagulant therapy is extremely important in patients at high risk for development of thromboembolic events. Most studies show that the risk of bleeding oral surgery in patients taking warfarin is relatively insignificant and it can be controlled by simple measures such as hemostasis. Conclusion: It is highly recommended to not interrupt anticoagulant in minor oral surgeries.
Introdução: Procedimentos odontológicos realizados em pacientes sob tratamento com drogas anticoagulantes orais estão se tornando cada vez mais comuns. Assim, frequentemente são levantadas questões acerca dos riscos tromboembólicos e de sangramento frente à procedimentos orais invasivos. Objetivo: Revisar as evidências científicas acerca da interrupção da terapia anticoagulante em pacientes em uso de varfarina no contexto de cirurgias orais menores. Métodos: Revisão de literatura nas bases eletrônicas SciELO, PubMed, Lilacs, e Oviatt Library nos meses de janeiro à março de 2016, utilizando como descritores: Anticoagulantes, Varfarina, Cirurgia Odontológica e Hemorragia Bucal. Resultados e Discussão: A continuação da terapia anticoagulante é extremamente importante em pacientes com alto risco ao desenvolvimento de eventos tromboembólicos. A maioria dos estudos mostram que o risco de hemorragia em cirurgias orais em pacientes sob tratamento com varfarina é relativamente pequeno e pode ser controlado por medidas simples de hemostasia. Conclusão: É recomendado que a terapia anticoagulante não seja descontinuada durante a realização de procedimentos cirúrgicos orais menores.
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