RESUMENObjetivos: El objetivo fue determinar la asociación entre los niveles de tacrolimus y la función renal temprana, el rechazo agudo y las infecciones en el primer mes después del trasplante renal temprano.Métodos: Estudio retrospectivo, observacional y analítico. Revisión de registros de pacientes trasplantados renales mayores de 18 años durante el 2016, que cumplieron los criterios de inclusión (n = 36). La estadística descriptiva y analítica fue con STATA 15, significancia p <0,05. Resultados: Edad 41.6±15.3, varones 52.78 %, donante fallecido 77.78%, el 86.11 % tuvo ≤ 3 incompatibilidades HLA y PRA 0%. Recibieron inducción 97.22%. Dosaje de tacrolimus (TAC C) al séptimo día fue de 8,7 ± 3.4 ng/ml. El 16,66% fueron donantes de criterios expandidos, 22.22% con función demorada del injerto, necrosis tubular aguda (6/36), toxicidad por anticalcineurina (10/36) y rechazo agudo celular IA (1/36). Se calculó el cociente global de TAC C/D en < 1.05. La frecuencia de infecciones fue 19.45%, la más frecuente infección urinaria 13.85% con 20% de E.Coli BLEE. Existe relación entre el nivel de tacrolimus > 12 ng/ml al séptimo día y la presencia de infecciones al primer mes post-trasplante renal (p <0,05). No hubo relación entre niveles de tacrolimus con la función renal, rechazo agudo, incompatibilidades HLA e inducción (p>0.05). Conclusión: El nivel de Tacrolimus al séptimo día post-trasplante > 12ng/ml se asoció a infecciones tempranas al mes post-trasplante renal.Palabras clave: Tacrolimus; Función renal; Trasplante renal; Infecciones; Rechazo agudo. (fuente: DeCS BIREME) ABSTRACT Objectives:The aim was to determine the association between tacrolimus levels and early renal graft function, acute rejection and infections in the first month after early kidney transplantation. Methods: Retrospective, observational and analytical study. Review of records of kidney transplant patients over 18 years of age during 2016, who met the inclusion criteria (n = 36). The descriptive and analytical statistics were with STATA 15, significance p <0.05. Results: Age 41.6 ± 15.3, males 52.78%, deceased donor 77.78%, 86.11% had ≤ 3 incompatibilities HLA and PRA 0%. They received induction 97.22%. Tacrolimus dose (TAC C) on the seventh day was 8.7 ± 3.4 ng / ml. The 16.66% were donors of expanded criteria, 22.22% with delayed graft function, acute tubular necrosis (6/36), anticalcineurin toxicity (10/36) and acute cellular rejection IA (1/36). The overall TAC C / D ratio <1.05 was calculated. The frequency of infections was 19.45%, the most frequent urinary infection being 13.85% with 20% E.coli BLEE. There is a relationship between the level of tacrolimus> 12 ng / ml on the seventh day and the presence of infections at the first month post-renal transplantation (p <0.05). There was no relationship between tacrolimus levels with renal function, acute rejection, HLA incompatibilities and induction (p> 0.05). Conclusion: The level of Tacrolimus on the seventh day post-transplant> 12ng / ml was associated with early infections a month aft...
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