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The Application of a Dried Balanced Heparin Syringe Can Attenuate the Dilution Effect in Rapid Point-of-care Potassium Testing for the Early Identification of Hyperkalemia in the Emergency Department

Other Titles
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Authors
 Min Kyung Seung  ;  Sung Phil Chung  ;  Yoo Seok Park  ;  Hyun Soo Chung  ;  Hye Sun Lee  ;  Youngseon Joo  ;  Je Sung You  ;  Incheol Park 
Citation
 Journal of the Korean Society of Emergency Medicine (대한응급의학회지), Vol.26(6) : 509-516, 2015 
Journal Title
 Journal of the Korean Society of Emergency Medicine (대한응급의학회지) 
ISSN
 1226-4334 
Issue Date
2015
Keywords
Point-of-care testing ; Hyperkalemia ; Chronic Chronic kidney failure ; Resuscitation
Abstract
Purpose: Current methods to evaluate the blood concentration of potassium (K) on point-of-care (POC) are influenced by the relative volumes of heparin and arterial blood. Blood potassium concentration may be underestimated with a high volume of heparin or low volume of blood. This dilution effect can produce false negative results that negatively affect decision-making of clinicians and throw critical patients into crisis. We hypothesized that the application of a dried balanced heparin syringe in rapid POC-K+ could attenuate the dilution effect and would more accurately and consistently measure the concentration of potassium compared with reference testing in emergency situations. Methods: This retrospective study was conducted between January, 1, 2008 and September, 30, 2013 at an urban hospital affiliated with our institution. To attenuate the dilution effect, dried balanced heparin syringes (HS) were also used between October, 1, 2011 and September, 30, 2013. Concentrations of potassium were compared between the dried balanced HS group and the liquid HS group. The reliability of each of these outcome measures was assessed using intra-class correlation coefficient analysis. Results: Application of dried balanced HS improved the degree of concordance for potassium using two different assays. The false negative rate was significantly improved from 9.1% (95% CI 7.3-11.0) to 5.7% (95% CI 3.5-8.0) in the dried balanced HS group compared with the liquid HS liquid group (p=0.037). Conclusion: This study suggests that the usage of dried balanced HS could attenuate the dilution effect in rapid POC-K+ and predict potassium levels more accurately for identification of patients at risk of hyperkalemia in emergency situations.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Emergency Medicine (응급의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
박유석(Park, Yoo Seok) ORCID logo https://orcid.org/0000-0003-1543-4664
박은철(Park, Eun-Cheol) ORCID logo https://orcid.org/0000-0002-2306-5398
성민경(Seung, Min Kyung)
유제성(You, Je Sung) ORCID logo https://orcid.org/0000-0002-2074-6745
이혜선(Lee, Hye Sun) ORCID logo https://orcid.org/0000-0001-6328-6948
정성필(Chung, Sung Pil) ORCID logo https://orcid.org/0000-0002-3074-011X
정현수(Chung, Hyun Soo) ORCID logo https://orcid.org/0000-0001-6110-1495
주영선(Joo, Young Seon)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/157098
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