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Brazilian Journal of Nephrology

Print version ISSN 0101-2800On-line version ISSN 2175-8239

Abstract

TELES, Flávio et al. The impact of dialysis on critically ill elderly patients with acute kidney injury: an analysis by propensity score matching. J. Bras. Nefrol. [online]. In press. , pp.-.  Epub Aug 02, 2018. ISSN 0101-2800.  http://dx.doi.org/10.1590/2175-8239-jbn-2018-0058.

Introduction:

Aging is a global phenomenon. Recent forecasts indicate that Brazil will be the sixth country in population of elderly individuals in 2020. The incidence of acute kidney injury (AKI) among the elderly varies, but studies have indicated that older individuals are more prone to developing AKI and have higher mortality rates than the general population with renal disease. The impact of dialysis in elderly patients with AKI - and critically ill individuals with multiple dysfunctions - has been discussed for years. Evidence indicates that for this group of patients dialysis does not positively impact survival and, in some situations, it might even accelerate death. This study investigated a population of elderly individuals with AKI seen in intensive care units to assess, through Propensity Score Matching, the impact dialysis has had for them.

Methods:

Data from the charts of patients aged 60 years or older seen at the intensive care unit of a general hospital between January 2012 and December 2014 and diagnosed with AKI were collected.

Results:

The study included 329 patients with a mean age of 75.4 ± 9.3 years. Ischemic AKI was the most prevalent disease (54.7%) and 28.9% of the patients needed dialysis. No difference was seen in the death rates of dialysis and non-dialysis patients aged 70+ years.

Conclusions:

The data suggested that dialysis did not seem to impact the death rates of critically ill patients with AKI aged 70+ years.

Keywords : Renal Insufficiency, Chronic; Renal Dialysis; Intensive Care Units; Aged.

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