期刊
NEPHROLOGY
卷 20, 期 3, 页码 148-154出版社
WILEY
DOI: 10.1111/nep.12364
关键词
acute kidney injury; critical illness; hospital mortality; renal dialysis; renal replacement therapy
资金
- Venerable Yen-Pei National Kidney Foundation [NKFRC/2011/07/24]
AimOptimal timing for acute renal replacement therapy (ARRT) initiation in critically ill patients with acute kidney injury (AKI) is unclear. We aimed to evaluate outcomes in patients who initiated ARRT for traditional indications versus those who met Acute Kidney Injury Network (AKIN) criteria without traditional indications. MethodsThis was a single-centre prospective cohort study of medical and surgical intensive care patients with AKI. Traditional indications for ARRT initiation included: serum potassium 6.0mmol/L, serum urea 30mmol/L, arterial pH<7.25, serum bicarbonate <10mmol/L, acute pulmonary oedema, acute uraemic encephalopathy or pericarditis. In absence of these indications, ARRT was commenced if patients had (i) AKIN Stage 3 or (ii) AKIN Stage 1 or 2 with compelling' conditions. Primary outcomes were intensive care unit (ICU) and in-hospital mortality. ResultsARRT was initiated in 140 patients: traditional indications in 56 (40%); AKIN Stage 3 without traditional indications in 38 (27%); and AKIN Stage 1 or 2 with compelling' conditions in 46 (33%) patients. Traditional indications at ARRT initiation was associated with increased in-hospital mortality (adjusted odds ratio (95% confidence interval), 6.48 (1.54, 27.29)). In absence of traditional indications, earlier ARRT initiation, as defined by those with AKIN Stage 1 or 2, did not decrease ICU deaths (30.0% vs 18.8%, P=0.30) or in-hospital mortality (50.0% vs 34.2%, P=0.15) compared with those who were started on ARRT for AKIN Stage 3. ConclusionsPresence of traditional indications at ARRT initiation was associated with greater mortality. Initiating dialysis at earlier AKIN stage did not improve survival in patients without traditional indications.
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