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2015 ; 10
(4
): e0123386
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Impact of weaning from acute dialytic therapy on outcomes of chronic kidney
disease following urgent-start dialysis
#MMPMID25856435
Chen YM
; Li WY
; Wu VC
; Wang YC
; Hwang SJ
; Lin SH
; Wu KD
PLoS One
2015[]; 10
(4
): e0123386
PMID25856435
show ga
Discontinuation of acute, unplanned dialysis is always an important therapeutic
goal in dialysis-requiring patients with existing chronic kidney disease. Only a
limited proportion of patients could be weaned off dialysis and remained
dialysis-free. Here we performed a multicenter, observational study to
investigate factors associated with successful weaning from acute dialysis, and
to explore the potential impact of weaning itself on outcomes of patients with
chronic kidney disease following urgent-start dialysis. We recruited 440 chronic
kidney disease patients with a baseline estimated glomerular filtration rate <45
ml/min per 1/73 m2, and used propensity score-adjusted Cox regression analysis to
measure the effect of weaning from acute dialysis on death during the index
hospitalization and death or readmission after discharge. Over 2 years, 64 of 421
(15.2%) patients who survived >1 month died, and 36 (8.6%) were removed from
dialysis, with 26 (6.2%) remaining alive and dialysis-free. Logistic regression
analysis found that age ? 65 years, ischemic acute tubular necrosis, nephrotoxic
exposure, urinary obstruction, and higher predialysis estimated glomerular
filtration rate and serum hemoglobin were predictors of weaning off dialysis.
After adjustment for propensity scores for dialysis weaning, Cox proportional
hazards models showed successful weaning from dialysis (adjusted hazard ratio
0.06; 95% confidence interval 0.01 to 0.35), along with a history of hypertension
and serum albumin, were independent protectors for early death. Conversely, a
history of stroke, peripheral arterial disease and cancer predicted the
occurrence of early mortality. In conclusion, this prospective cohort study shows
that compared to patients with chronic kidney disease who became end-stage renal
disease after acute dialysis, patients who could be weaned off acute dialytic
therapy were associated with reduced risk of premature death over a 2-year
observation period.