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<ns4:p><ns4:bold>Background: </ns4:bold>Rehydration strategies in children with severe acute malnutrition (SAM) and severe dehydration are extremely cautious. The World Health Organization (WHO) SAM guidelines advise strongly against intravenous fluids unless the child is shocked or severely dehydrated and unable to tolerate oral fluids. Otherwise, guidelines recommend oral or nasogastric rehydration using low sodium oral rehydration solutions. There is limited evidence to support these recommendations.</ns4:p><ns4:p> <ns4:bold>Methods:</ns4:bold> We conducted a systematic review of randomised controlled trials (RCTs) and observational studies on 15<ns4:sup>th </ns4:sup>June 2017 comparing different strategies of rehydration therapy in children with acute gastroenteritis and severe dehydration, specifically relating to intravenous rehydration, using standard search terms. Two authors assessed papers for inclusion. The primary endpoint was evidence of fluid overload.</ns4:p><ns4:p> <ns4:bold>Results:</ns4:bold> Four studies were identified, all published in English, including 883 children, all of which were conducted in low resource settings. Two were randomised controlled trials and two observational cohort studies, one incorporated assessment of myocardial and haemodynamic function. There was no evidence of fluid overload or other fluid-related adverse events, including children managed on more liberal rehydration protocols. Mortality was high overall, and particularly in children with shock managed on WHO recommendations (day-28 mortality 82%). There was no difference in safety outcomes when different rates of intravenous rehydration were compared.</ns4:p><ns4:p> <ns4:bold>Conclusions:</ns4:bold> The current ‘strong recommendations’ for conservative rehydration of children with SAM are not based on emerging evidence. We found no clinical trials providing a direct assessment of the current WHO guidelines, and those that were available suggested that these children have a high mortality and remain fluid depleted on current therapy. Recent studies have reported no evidence of fluid overload or heart failure with more liberal rehydration regimens. Clinical trials are urgently required to inform guidelines on routes and rates of intravenous rehydration therapy for dehydration in children with SAM.</ns4:p>

Original publication

DOI

10.12688/wellcomeopenres.12346.1

Type

Journal

Wellcome Open Research

Publisher

F1000 Research Ltd

Publication Date

18/08/2017

Volume

2

Pages

65 - 65