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Rev. bras. ter. intensiva ; 28(1): 70-77, jan.-mar. 2016. tab
Article in Portuguese | LILACS | ID: lil-780006

ABSTRACT

RESUMO Objetivo: Identificar fatores prognósticos relacionados com a mortalidade ou com a não recuperação da função renal. Métodos: Estudo monocêntrico, prospectivo, realizado em um serviço de medicina intensiva de um hospital universitário, entre 2012 e 2015. Incluíram-se doentes com lesão renal aguda em suporte renal contínuo. Foram coletados parâmetros clínicos e analíticos, assim como foi investigado o motivo para o início e o término do suporte renal. Resultados: Foram incluídos 41 doentes, 43,9% deles com sepse. O Simplified Acute Physiology Score II (SAPS-II) foi de 56, com mortalidade prevista de 59,8% e verificada de 53,7%. A etiologia da lesão renal aguda foi principalmente multifatorial (56,1%). Os sobreviventes apresentaram menor balanço hídrico acumulado (mediana de 3.600mL com intervalo interquartil de 1.175 - 8.025 versus 12.000mL [6.625 - 17.875] e p = 0,004. Os doentes que recuperaram função renal apresentaram SAPS II mais baixo do que os que não recuperaram (51,0 [45,8 - 56,2] versus 73 [54 - 85]; p = 0,005), assim como menor balanço hídrico (3850 [1.425 - 8.025] versus 11.500 [6.625 - 16.275]; p = 0,004). Conclusão: SAPS II na admissão e balanço hídrico acumulado durante o suporte renal foram fatores de risco para mortalidade e para a não recuperação da função renal em doentes graves com lesão renal aguda e necessidade de suporte renal.


ABSTRACT Objective: Identify prognostic factors related to mortality and non-recovery of renal function. Methods: A prospective single-center study was conducted at the intensive care medicine department of a university hospital between 2012 and 2015. Patients with acute kidney injury receiving continuous renal replacement therapy were included in the study. Clinical and analytical parameters were collected, and the reasons for initiation and discontinuation of renal replacement therapy were examined. Results: A total of 41 patients were included in the study, of whom 43.9% had sepsis. The median Simplified Acute Physiology Score II (SAPSII) was 56 and the mortality was 53.7%, with a predicted mortality of 59.8%. The etiology of acute kidney injury was often multifactorial (56.1%). Survivors had lower cumulative fluid balance (median = 3,600mL, interquartile range [IQR] = 1,175 - 8,025) than non-survivors (median = 12,000mL, IQR = 6,625 - 17,875; p = 0.004). Patients who recovered renal function (median = 51.0, IQR = 45.8 - 56.2) had lower SAPS II than those who do not recover renal function (median = 73, IQR = 54 - 85; p = 0.005) as well as lower fluid balance (median = 3,850, IQR = 1,425 - 8,025 versus median = 11,500, IQR = 6,625 - 16,275; p = 0.004). Conclusions: SAPS II at admission and cumulative fluid balance during renal support therapy were risk factors for mortality and non-recovery of renal function among critically ill patients with acute kidney injury needing renal replacement therapy.


Subject(s)
Humans , Male , Female , Aged , Renal Replacement Therapy/methods , Acute Kidney Injury/therapy , Intensive Care Units , Prognosis , Prospective Studies , Risk Factors , Critical Illness , Survivors , Recovery of Function , Acute Kidney Injury/mortality , Hospitals, University , Middle Aged
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