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Acta ortop. mex ; 35(2): 158-162, mar.-abr. 2021. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1374162

ABSTRACT

Abstract: Purpose: Identify the incidence and risk factors for acute kidney injury (AKI) following total knee arthroplasty (TKA) with and without tourniquet. Material and methods: 100 patients were randomized into two groups. Postoperative AKI was defined as the postoperative creatinine level ≥ 0.3 mg/dl compared with baseline. Potential variables associated with AKI were analyzed by multivariate logistic regression model to identify the AKI risk factors in TKA patients with and without tourniquet. Results: AKI rate was 22%, tourniquet use (OR = 2.66, p = 0.014), blood loss > 500 cm3 (OR = 3.99, p = 0.001), postoperative Hb < 10 g/dl (OR = 2.68, p = 0.008), blood transfusions (OR = 2.86, p = 0.012) and diabetes (OR = 2.80, p = 0.006) were associated with increased risk of postoperative AKI. Conclusions: The use of tourniquet should be indicated with caution and should not be used routinely in patients with other risk factors for the development of acute kidney dysfunction, other measures to achieve trans-surgical hemostasis should be implemented in our environment to reduce the incidence of acute kidney dysfunction related to the use of the tourniquet.


Resumen: Propósito: Identificar la incidencia y factores de riesgo para lesión renal aguda (LRA) después de la artroplastia total de rodilla (ATR) con y sin uso de torniquete. Material y métodos: Se dividieron 100 pacientes en dos grupos. Se definió la LRA como una elevación postoperatoria de la creatinina ≥ 0.3 mg/dl comparada con el nivel basal preoperatorio. Las potenciales variables asociadas con la DRA fueron analizadas con un modelo de regresión logística multivariada para identificar los factores de riesgo de DRA en pacientes sometidos a ATR con y sin torniquete. Resultados: La incidencia de LRA fue de 22%. El uso de torniquete (OR = 2.66, p = 0.014), pérdida sanguínea > 500 cm3 (OR = 3.99, p = 0.001), Hb postoperatoria < 10 g/dl (OR = 2.68, p = 0.008), transfusión sanguínea (OR = 2.86, p = 0.012) y la diabetes (OR = 2.80, p = 0.006) fueron asociados a un mayor riesgo postoperatorio de LRA. Conclusiones: El uso de torniquete debe estar indicado con precaución y no debe utilizarse de forma rutinaria en pacientes con otros factores de riesgo para el desarrollo de disfunción renal aguda, otras medidas para lograr la hemostasia transquirúrgica deben implementarse en nuestro entorno para reducir la incidencia de disfunción renal aguda relacionada con el uso del torniquete.

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