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Rev. Asoc. Argent. Ortop. Traumatol ; 83(1): 5-11, mar. 2018. []
Article in Spanish | LILACS, BINACIS | ID: biblio-896283

ABSTRACT

Introducción: El reemplazo total de rodilla es un procedimiento que puede generar una gran perdida de sangre durante el periodo posoperatorio. El acido tranexamico es un agente sintetico antifbrinolitico que, en los ultimos anos, se ha administrado por via intravenosa, con buenos resultados, al reducir el sangrado asociado al reemplazo total de rodilla. Sin embargo, existe escasa experiencia con su uso topico. Materiales y Métodos: Se llevo a cabo un estudio comparativo retrospectivo de 117 reemplazos totales de rodilla primarios, para comparar los resultados obtenidos en 63 cirugias con el uso topico de acido tranexamico y en 54 reemplazos sin acido tranexamico. Se compararon la tasa de transfusion, las concentraciones de hemoglobina y hematocrito a las 24 y 48 h, las curaciones requeridas, las comorbilidades y las complicaciones. Resultados: En el grupo con acido tranexamico topico, se redujo un 43,9% la tasa de transfusiones cuando se lo comparo con el otro grupo. Ademas, se registro una disminucion de 0,2-1,3 g/dl en la caida de la hemoglobina a las 24 h de la cirugia. No se detectaron complicaciones. Conclusiones: El uso topico de acido tranexamico en reemplazos totales primarios de rodilla disminuye los requerimientos de transfusiones, sin incrementar el riesgo de complicaciones. Nivel de Evidencia: III


Introduction: Total knee replacement is associated with extensive postoperative blood loss. Tranexamic acid is a synthetic antifibrinolytic agent that, in the last few years, has been successfully used intravenously to reduce bleeding after total knee replacement. However, topical application of tranexamic acid in total knee replacement remains largely unexplored. Methods: A retrospective study of 117 primary total knee replacements was conducted: 63 surgeries with topical tranexamic acid and 54 replacements without tranexamic acid. A comparison analysis was made, capturing results of blood transfusion rates, postoperative hemoglobin levels (24 and 48 hours), number of changed bandages, comorbidities and complications. Results: Tranexamic acid reduced blood transfusion rate by 43.9% when compared with the group without tranexamic acid. A lower decline in postoperative hemoglobin levels (24 hours) by 0.2-1.3 g/dL was also observed in this same group. There were no complications in both groups. Conclusions: Topically applied tranexamic acid was effective in reducing the need for blood transfusion following total knee replacement, without additional adverse effects. Level of Evidence: III


Subject(s)
Adult , Middle Aged , Aged , Aged, 80 and over , Postoperative Complications/prevention & control , Tranexamic Acid/therapeutic use , Blood Loss, Surgical/prevention & control , Arthroplasty, Replacement, Knee/methods , Antifibrinolytic Agents/administration & dosage , Retrospective Studies , Administration, Topical , Treatment Outcome
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