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Preoperative plasma FGF23 levels predict acute kidney injury in children: results of a pilot study.
MedLine Citation:
PMID:  23314442     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Acute kidney injury (AKI) carries a large burden of morbidity and mortality. Early diagnosis may lead to better strategies of clinical care. Cardiac surgery involving cardiopulmonary bypass is associated with a significant incidence of AKI. The study objective was to determine whether or not preoperative fibroblast growth factor-23 (FGF23) levels differed among pediatric patients who did or did not develop AKI following cardiac surgery. METHODS: A nested case-control study was performed. FGF23 levels were measured pre- and post-operatively in 19 children without chronic kidney disease (CKD) who underwent cardiopulmonary bypass. Five patients developed AKI and 14 patients served as controls. RESULTS: FGF23 levels in patients who developed AKI following cardiac surgery were elevated above normal levels, both pre-operatively and post-operatively compared with those patients who did not develop AKI. Relative risk of developing AKI when the pre-operative FGF23 level was >86 RU/mL was 2.0 (p = 0.033). Preoperative FGF23 levels correlated with post-operative fluid gain (correlation coefficient 0.607, p = 0.0059). CONCLUSIONS: FGF23 may serve as a pre-operative prognostic indicator of the development of AKI following cardiopulmonary bypass surgery in pediatric patients without CKD. Identifying patients more likely to have AKI following surgery provides a means of achieving closer clinical management of AKI and fluid balance.
Authors:
Farah N Ali; Amanda Hassinger; Heather Price; Craig B Langman
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-13
Journal Detail:
Title:  Pediatric nephrology (Berlin, Germany)     Volume:  -     ISSN:  1432-198X     ISO Abbreviation:  Pediatr. Nephrol.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8708728     Medline TA:  Pediatr Nephrol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Kidney Diseases, Lurie Children's Hospital, 225 E Chicago Avenue, Box 37, Chicago, IL, USA, fali@childrensmemorial.org.
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