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J Pediatr Intensive Care 2022; 11(02): 091-099
DOI: 10.1055/s-0040-1719172
Original Article

Pediatric Mortality and Acute Kidney Injury Are Associated with Chloride Abnormalities in Intensive Care Units in the United States: A Multicenter Observational Study

Aamer H. Khan
1   Division of Critical Care Medicine, Children's National Hospital, Washington, District of Columbia, United States
,
Jiaxing Gai
1   Division of Critical Care Medicine, Children's National Hospital, Washington, District of Columbia, United States
,
Farhana Faruque
1   Division of Critical Care Medicine, Children's National Hospital, Washington, District of Columbia, United States
,
James E. Bost
2   Division of Biostatistics and Study Methodology, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia, United States
,
Anita K. Patel
1   Division of Critical Care Medicine, Children's National Hospital, Washington, District of Columbia, United States
2   Division of Biostatistics and Study Methodology, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia, United States
,
Murray M. Pollack
1   Division of Critical Care Medicine, Children's National Hospital, Washington, District of Columbia, United States
2   Division of Biostatistics and Study Methodology, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia, United States
› Author Affiliations
Funding This research is supported by philanthropic support from Mallinckrodt LLC, and from the NIH National Center for Advancing Translational Sciences (award number UL1TR001876), and from the NIH National Center for Advancing Translational Sciences (to A.K.P.) (award number KL2TR001877).
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Abstract

Our objective was to determine in children in the intensive care unit (ICU) the incidence of hyperchloremia (>110 mmol/L) and hypochloremia (<98 mmol/L), the association of diagnoses with chloride abnormalities, and the associations of mortality and acute kidney injury (AKI) with chloride abnormalities. We analyzed the initial, maximum, and minimum chloride measurements of 14,684 children in the ICU with ≥1 chloride measurement in the Health Facts database between 2009 and 2016. For hyperchloremia and hypochloremia compared with normochloremia, mortality rates increased three to fivefold and AKI rates increased 1.5 to threefold. The highest mortality rate (7.7%; n = 95/1,234) occurred with hyperchloremia in the minimum chloride measurement group and the highest AKI rate (7.7%; n = 72/930) occurred with hypochloremia in the initial chloride measurement group. The most common diagnostic categories associated with chloride abnormalities were injury and poisoning; respiratory; central nervous system; infectious and parasitic diseases; and endocrine, nutritional, metabolic, and immunity disorders. Controlled for race, gender, age, and diagnostic categories, mortality odds ratios, and AKI odds ratios were significantly higher for hyperchloremia and hypochloremia compared with normochloremia. In conclusion, hyperchloremia and hypochloremia are independently associated with mortality and AKI in children in the ICU.

Keywords

chloride - intensive care unit - pediatric patients - mortality - acute kidney injury

Note

This article's contents are solely the responsibility of the authors. They do not necessarily represent the official views of the National Center for Advancing Translational Sciences or the National Institutes of Health.


Supplementary Material



Publication History

Received: 11 August 2020

Accepted: 28 September 2020

Article published online:
23 November 2020

© 2020. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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