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Systematic oral hydration with water is similar to parenteral hydration for prevention of contrast-induced nephropathy: an updated meta-analysis of randomised clinical data.

TitleSystematic oral hydration with water is similar to parenteral hydration for prevention of contrast-induced nephropathy: an updated meta-analysis of randomised clinical data.
Publication TypeJournal Article
Year of Publication2015
AuthorsAgarwal, S. Kumar, Mohareb S., Patel A., Yacoub R., DiNicolantonio J. J., Konstantinidis I., Pathak A., Fnu S., Annapureddy N., Simoes P. K., Kamat S., El-Hayek G., Prasad R., Kumbala D., Nascimento R. M., Reilly J. P., Nadkarni G. N., & Benjo A. M.
JournalOpen Heart
Volume2
Issue1
Paginatione000317
Date Published2015
ISSN2053-3624
Abstract

BACKGROUND: Contrast-induced nephropathy (CIN) is the third most common cause of hospital-acquired kidney injury and is related to increased long-term morbidity and mortality. Adequate intravenous (IV) hydration has been demonstrated to lessen its occurrence. Oral (PO) hydration with water is inexpensive and readily available but its role for CIN prevention is yet to be determined.METHODS: PubMed, EMBASE and the Cochrane Central register of controlled trials (CENTRAL) databases were searched until April 2015 and studies were selected using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. All randomised clinical trials with head-to-head comparison between PO and IV hydration were included.RESULTS: A total of 5 studies with 477 patients were included in the analysis, 255 of those receiving PO water. The incidence of CIN was statistically similar in the IV and PO arms (7.7% and 8.2%, respectively; relative risk 0.97; 95% CI 0.36 to 2.94; p=0.95). The incidence of CIN was statistically similar in the IV and PO arms in patients with chronic kidney disease and with normal renal function. Rise in creatinine at 48-72 h was lower in the PO hydration group compared with IV hydration (pooled standard mean difference 0.04; 95% CI 0.03 to 0.06; p<0.001; I(2)=62%).CONCLUSIONS: Our meta-analysis shows that systematic PO hydration with water is at least as effective as IV hydration with saline to prevent CIN. PO hydration is cheaper and more easily administered than IV hydration, thus making it more attractive and just as effective.

DOI10.1136/openhrt-2015-000317
Alternate JournalOpen Heart
PubMed ID26468404
PubMed Central IDPMC4600249

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