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2017 ; 18
(1
): 78
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Early versus late initiation of renal replacement therapy in patients with acute
kidney injury-a systematic review & meta-analysis of randomized controlled
trials
#MMPMID28245793
Bhatt GC
; Das RR
BMC Nephrol
2017[Feb]; 18
(1
): 78
PMID28245793
show ga
BACKGROUND: Acute kidney injury (AKI) is a common complication in the critically
ill patients and associated with a substantial morbidity and mortality. Severe
AKI may be associated with up to 60% hospital mortality. Over the years, renal
replacement therapy (RRT) has emerged as the mainstay of the treatment for AKI.
However, the exact timing of initiation of RRT for better patient outcome is
still debatable with conflicting data from randomized controlled trials. Thus, a
systematic review and meta-analysis was performed to assess the impact of "early"
versus "late" initiation of RRT. METHODS: All the published literature through
the major databases including Medline/Pubmed, Embase, and Google Scholar were
searched from 1970 to October 2016. Reference lists from the articles were
reviewed to identify additional pertinent articles. Retrieved papers concerning
the effect of "early/prophylactic" RRT versus "late/as and when required" RRT
were reviewed by the authors, and the data were extracted using a standardized
data collection tool. Randomized trials (RCTs) comparing early initiation of RRT
or prophylactic RRT with late or as and when required RRT were included. The
primary outcome measures were all cause mortality and dialysis dependence on day
90. The secondary outcome measures were: length of ICU stay, length of hospital
stay, recovery of renal function and adverse events. RESULTS: Of the 547 citation
retrieved, full text of 44 articles was assessed for eligibility. Of these a
total of 10 RCTs with 1,636 participants were included. All the trials were open
label; six trials have unclear or high risk of bias for allocation concealment
while four trials have low risk of bias for allocation concealment. There was a
variable definition of early versus late in different studies. Thus, the
definition of early or late was taken according to individual study definition.
Compared to late RRT, there was no significant benefit of early RRT on day 30
mortality [6 studies; 1301 participants; RR, 0.92;95% CI: 0.76, 1.12); day 60
mortality [3 trials;1075 participants; RR, 0.94; 95% CI: 0.78, 1.14)]; day 90
mortality [3 trials; 555 participants; RR,0.94;95% CI: 0.67, 1.33)]; overall ICU
or hospital mortality; dialysis dependence on day 90 [3 trials; (RR, 1.06; 95%
CI:0.53, 2.12)]. There was no significant difference between length of ICU or
hospital stay or recovery of renal functions. A subgroup analysis based on
modality of RRT or mixed medical and surgical vs. surgical or based on severity
of illness showed no difference in outcome measure. The trials with high or
unclear risk of bias for allocation concealment showed benefit of early RRT (RR,
0.74; 95% CI: 0.59, 0.91) while the trials with low risk of bias for allocation
concealment showed no difference in the mortality (RR, 1.02; 95% CI: 0.89, 1.17).
Grade evidence generated for most of the outcomes was "low quality". CONCLUSION:
This updated meta-analysis showed no added benefit of early initiation of RRT for
patients with AKI. The grade evidence generated was of "low quality" and there
was a high heterogeneity in the included trials. PROSPERO REGISTRATION NUMBER:
CRD42016043092 .
|*Randomized Controlled Trials as Topic
[MESH]
|Acute Kidney Injury/*mortality/*therapy
[MESH]
|Adult
[MESH]
|Aged
[MESH]
|Aged, 80 and over
[MESH]
|Female
[MESH]
|Humans
[MESH]
|Male
[MESH]
|Middle Aged
[MESH]
|Prevalence
[MESH]
|Renal Replacement Therapy/*mortality/*statistics & numerical data
[MESH]
|Risk Factors
[MESH]
|Secondary Prevention/*statistics & numerical data
[MESH]
|Survival Rate
[MESH]
|Time-to-Treatment/*statistics & numerical data
[MESH]