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Aspirin versus Rivaroxaban to Prevent Venous Thromboembolism after Total Knee Arthroplasty: A Double-blinded, Randomized Controlled Trial / Aspirina versus rivaroxabana na prevenção do tromboembolismo venoso após artroplastia total do joelho: Um ensaio clínico randomizado, controlado e duplo-cego
Hongnaparak, Theerawit; Janejaturanon, Jiranuwat; Iamthanaporn, Khanin; Tanutit, Pramot; Yuenyongviwat, Varah.
  • Hongnaparak, Theerawit; Prince of Songkla University. Faculty of Medicine. Department of Orthopedics. Songkhla. TH
  • Janejaturanon, Jiranuwat; Prince of Songkla University. Faculty of Medicine. Department of Orthopedics. Songkhla. TH
  • Iamthanaporn, Khanin; Prince of Songkla University. Faculty of Medicine. Department of Orthopedics. Songkhla. TH
  • Tanutit, Pramot; Prince of Songkla University. Faculty of Medicine. Department of Radiology. Songkhla. TH
  • Yuenyongviwat, Varah; Prince of Songkla University. Faculty of Medicine. Department of Orthopedics. Songkhla. TH
Rev. bras. ortop ; 57(5): 741-746, Sept.-Oct. 2022. tab, graf
Article in English | LILACS | ID: biblio-1407699
ABSTRACT
Abstract Objective Aspirin (acetylsalicylic acid, ASA) and rivaroxaban are anticoagulants that have increased in popularity due to ease of use in the prevention of venous thromboembolism (VTE) after total knee arthroplasty (TKA). The present study aimed to evaluate the efficacy of ASA compared with that of rivaroxaban on VTE prophylaxis in patients who underwent TKA. Method Forty patients who had primary knee osteoarthritis and would undergo TKA were randomized into two groups. In total, 20 patients in the ASA group used oral aspirin, at a dose of 300 mg/day, for VTE prophylaxis after TKA, while 20 patients in the rivaroxaban group received oral rivaroxaban, at a dose of 10 mg/day. On days 4 and 14 after the operation, deep vein thrombosis (DVT) in the lower limbs on the operated side was detected through duplex ultrasonography. Other complications were recorded for 14 days. Results There were no positive findings of DVT detected with duplex ultrasonography in the groups of patients, and the occurrence of pulmonary embolism was not observed. In total, 4 patients had subcutaneous ecchymosis on the fourth postoperative day (2 patients in the ASA group and 2 patients in the rivaroxaban group; p= 1.0), and another 4 patients on the fourteenth postoperative day (1 patient in the ASA group and 3 patients in the rivaroxaban group; p= 0.292). No cases of wound hematoma, major organ bleeding, wound infection, or reoperation were observed in the sample. Conclusion Aspirin and rivaroxaban had comparable efficacy to prevent VTE, without increasing the incidence of wound complications and bleeding after TKA.
RESUMO
Resumo Objetivo A aspirina (ácido acetilsalicílico, AAS) e a rivaroxabana são anticoagulantes que vêm ganhando popularidade devido à facilidade de uso na prevenção do tromboembolismo venoso (TEV) após artroplastia total do joelho (ATJ). Este estudo teve como objetivo avaliar a eficácia do AAS em comparação com a da rivaroxabana na profilaxia de TEV em pacientes submetidos a ATJ. Método Quarenta pacientes com osteoartrite primária do joelho, que seriam submetidos a ATJ, foram randomizados em dois grupos. No total, 20 pacientes do grupo AAS usaram aspirina oral, na dose de 300 mg/dia, para a profilaxia do TEV após ATJ; e 20 pacientes do grupo rivaroxabana receberam uma dose oral de 10 mg/dia. No 4° e 14° dias do pós-operatório, trombose venosa profunda (TVP) dos membros inferiores no lado da cirurgia foi detectada por meio de ultrassonografia duplex. Foram registradas outras complicações durante catorze dias. Resultados Não foram detectados achados positivos de TVP com a ultrassonografia duplex nos grupos de pacientes, e não se observou a ocorrência de embolia pulmonar. No total, 4 pacientes apresentaram equimose subcutânea no 4° dia do pós-operatório (2 pacientes no grupo AAS e 2 pacientes no grupo rivaroxabana; p= 1,0), e outros 4 pacientes, no 14° dia do pós-operatório (1 paciente no grupo AAS e 3 pacientes no grupo rivaroxabana; p= 0,292). Nenhum paciente da amostra apresentou hematoma da ferida cirúrgica, sangramento de órgão importante, infecção da ferida, ou necessidade de nova cirurgia. Conclusão A aspirina e a rivaroxabana apresentaram eficácia comparável na prevenção do TEV, sem aumentar a incidência de complicações da ferida e sangramento após ATJ.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Aspirin / Arthroplasty, Replacement, Knee / Venous Thromboembolism / Rivaroxaban / Anticoagulants Type of study: Controlled clinical trial Limits: Aged / Female / Humans / Male Language: English Journal: Rev. bras. ortop Journal subject: Orthopedics Year: 2022 Type: Article Affiliation country: Thailand Institution/Affiliation country: Prince of Songkla University/TH

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Full text: Available Index: LILACS (Americas) Main subject: Aspirin / Arthroplasty, Replacement, Knee / Venous Thromboembolism / Rivaroxaban / Anticoagulants Type of study: Controlled clinical trial Limits: Aged / Female / Humans / Male Language: English Journal: Rev. bras. ortop Journal subject: Orthopedics Year: 2022 Type: Article Affiliation country: Thailand Institution/Affiliation country: Prince of Songkla University/TH