Introduction:

Acute kidney injury in the intensive care unit in the General Teaching Hospital ¨Dr. Agostinho Neto¨ in Guantanamo has not been characterized.

Objective:

To characterize this disease in patients in the intensive care unit in the mentioned institution in the period 2018-2019.

Method:

A descriptive, retrospective and longitudinal study was undertaken, all approved by the ethics committee. The study population was made out of the total amount of the patients diagnosed according to the classification of the Acute Kidney Injury Network (AKIN). The variables taken into account were: age, gender, comorbidity, etiology, time in the intensive care unit, requirement for hemodialysis and status of the patient at the time of discharge, plus the stages of the acute kidney injury according to the AKIN scale.

Results:

Acute kidney injury was diagnosed in the 35.6% of the patients, especially in male patients (56.7%) with ages between 66.3 ± 24.3 years. 41.4% of the patients suffered of systemic arterial hypertension. Stage 1 was found in the 48.9% of the cases, and sepsis was the main cause in 69.4%. Mortality at the time of discharge represented the 16.4%; and after the following 30 days went up to 25.4%. Hemodialysis was required in the 13.8% of the patients; in wich the risk of death was significatively higher.

Conclusions:

There is a high number of patients with acute kidney injury in the intensive care unit, and it was really useful the scale implemented for diagnosis and evaluation of the severity of the condition and the prognosis of the patients.

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