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Southern African Journal of Critical Care (Online)

On-line version ISSN 2078-676X
Print version ISSN 1562-8264


SKINNER, D L et al. Renal replacement therapy in intensive care units in KwaZulu-Natal Province, South Africa. South. Afr. j. crit. care (Online) [online]. 2021, vol.37, n.1, pp.21-26. ISSN 2078-676X.

BACKGROUND. Renal replacement therapy (RRT) is a scarce resource in southern Africa. Critically ill patients are at risk of developing acute kidney injury (AKI), which may require RRT. There are few data on the utilisation of RRT in southern African intensive care units (ICUs). OBJECTIVES. To determine the indications for initiating RRT in critically ill patients in ICUs in KwaZulu-Natal, South Africa (SA) and to describe the methods and dosing of RRT. METHODS. A prospective observational study was performed to investigate the indications for initiating, methods and dosing of RRT among patients admitted to four ICUs in KwaZulu-Natal Province, SA. All adult patients were eligible for inclusion. RESULTS. A total of 108 patients who received RRT were included in the study. The most common reasons for initiation of RRT were a high/rising creatinine, high/rising urea, acidosis and fluid balance. The majority of the patients (79.6%; n=86) had three or more indications for RRT. A total of 353 intermittent haemodialysis/slow low-efficiency dialysis (IHD/SLED) sessions and 84 continuous renal replacement therapy (CRRT) sessions were recorded. The median (interquartile range (IQR)) CRRT dose was 25.8 (19.1 - 28.8) mL/kg/h. The median (IQR) urea reduction ratio for IHD/SLED was 32.4% (15.0 - 49.8). CONCLUSION: Patients in this study had multiple indications for initiating RRT. The dosing of RRT was not optimal, with a wide range shown in CRRT, and the majority of patients did not achieve a urea reduction ratio (URR) >65%.

Keywords : renal replacement therapy; dialysis; blood purification; acute kidney injury; critical care.

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