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. 2021 Jun 28;78(2):110-117.
doi: 10.31053/1853.0605.v78.n2.30134.

[Perioperative protocol to reduce blood transfusions in total knee o hip replacement patients]

[Article in Spanish]
Alejandro Godoy  1 , Jaqueline Gonzalez  2 , Ana Florencia Becerra  3 , Mariano Finola  4 , Facundo Faule  5 , Carlos Estrada  6 , Yamile Neder  7 , Ricardo Albertini  8
Affiliations

[Perioperative protocol to reduce blood transfusions in total knee o hip replacement patients]

[Article in Spanish]
Alejandro Godoy et al. Rev Fac Cien Med Univ Nac Cordoba. .

Abstract
in English, Spanish

Introduction: Patient Blood Management (PBM) programs improve patient care and reduce health costs. It includes detection of presurgical anemia, reduction of blood loss and improvement of patient-specific anemic reserve. The aim of this study is to assess the effect of a PBM program on transfusion rate, length of stay (LOS) and adverse events.

Methods: We developed a retrospective observational study. We included patients who underwent total hip (THR) o knee replacement (TKR). Our PBM involved preoperative assessment, administration of 2 doses of tranexamic acid, application of restrictive transfusion criteria and use of IV iron. We compared results between the group of patients before and the one after the PBM implementation.

Results: We included 179 patients (80 TKR and 99 THR) who underwent surgery before PBM implementation from January to December 2014 (Group A), and 187 patients (103 TKR and 84 THR) who underwent arthroplasty after PBM application from January to November 2016 (Group B). In Group A, hemoglobin drop was larger than in Group B, for TKR (5.1±1.2 vs. 4.2±1.2 g/dl; p<0,05) and for THR (4.7±1.3 vs. 3.8±1.3 g/dl; p<0,05). In group A, more patients were transfused (31.8% vs. 2.7%; p<0.001). LOS was longer for patients in group A, in both surgeries (for TKA, 3.98±1.4days vs. 2.99±0.95 days; p<0.0001; for THA 3.68±1.06days vs. 2.88±0.75days; p<0.0001). No significant differences were found regarding adverse events.

Conclusion: Our PBM program saved transfusions after primary TKR and THR and lowered LOS, without risking patients to higher number of complications or death.

Introducción: Los protocolos de manejo de anemia perioperatoria mejoran el cuidado del paciente y disminuyen los costos en salud. El objetivo de este estudio fue identificar el efecto de dicho programa en pacientes sometidos a reemplazo total de cadera (RTC) o rodilla (RTR), en la tasa de transfusiones, tiempo de estadía hospitalaria y eventos adversos.

Métodos: Se realizó un estudio observacional retrospectivo, incluyendo pacientes sometidos a RTC o RTR primarios. El programa abarcó la valoración preoperatoria, el uso de 2 dosis de ácido tranexámico, la aplicación de transfusiones restringidas, y el uso de hierro suplementario. Se compararon los resultados entre pacientes pre y post implementación del protocolo.

Resultados: Se incluyeron 179 pacientes (80 RTR y 99 RTC) pre protocolo entre enero y diciembre 2014 (grupo A) y 187 casos (103 RTR y 84 RTC) post protocolo entre enero y noviembre 2016 (grupo B). En el grupo A, la caida de hemoglobina fue mayor que en el grupo B en RTR (5,1±1,2 vs. 4,2±1,2 g/dl; p<0,05) y en RTC (4,7±1.3 vs. 3,8±1.3 g/dl; p<0,05). Hubo mayor requerimiento transfusional en el grupo A (31,8% vs. 2,7%; p<0,001). El tiempo de estadía hospitalaria (TEH) fue mayor en el grupo A para ambas cirugías (en RTR 3,98±1,4días vs. 2,99±0,95 días; p<0,0001; en RTC 3,68±1,06días vs. 2,88±0,75días; p<0,0001). No se encontraron diferencias significativas respecto a eventos adversos.

Conclusión: En ambas artroplastias, nuestro programa disminuyó la cantidad de transfusiones, la caída de hemoglobina y la estadía hospitalaria, sin aumentar el número de complicaciones.

Keywords: arthroplasty replacement; blood transfusion; anemia; Tranexamic Acid.

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Conflict of interest statement

Conflicto de interés: No se reporta conflicto de intereses.

Figures

Figura N°1
Figura N°1
Diagrama de flujo de pacientes incluidos.
See this image and copyright information in PMC

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