Denning GM, Ackermann LW, Barna TJ, Armstrong JG, Stoll LL, Weintraub NL, et al. Proenkephalin expression and encephalin release are widely observed in non-neuronal tissues. Peptides 2006;277:1835–40.Google Scholar
Latini R, Masson S, Anand I, Judd D, Maggioni AP, Chiang YT, et al. Effects of valsartan on circulating brain natriuretic peptide and norepinephrine in symnptomatic chronic heart failure. The Valsartan Heart Failure Trial (Val-HeFT). Circulation 2002;106:2454–8.CrossrefPubMedGoogle Scholar
Fraser CG. Biological variation: from principles to practice. Washington, DC: AACC Press, 2001.Google Scholar
Carter JL, Parker CT, Stevens PE, Eaglestone G, Knight S, Farmer CK, et al. Biological variation of plasma and urinary markers of acute kidney injury in patients with chronic kidney disease. Clin Chem 2016;62:876–83.Web of ScienceCrossrefPubMedGoogle Scholar
Levey AS, Bosch JP, Lewis JB, Green T, Rogers N, Roth D, et al. A more accurate method to estimate glomerular filtration rate from serum creatinine: a new prediction equation. Ann Intern Med 1999;130:461–70.PubMedCrossrefGoogle Scholar
Caironi P, Latini R, Struck J, Hartmann O, Bergmann A, Bellato V, et al. Circulating proenkephalin, acute kidney injury, and its improvement in patients with severe sepsis or shock. Clin Chem 2018;64:1361–9.CrossrefPubMedWeb of ScienceGoogle Scholar
About the article
Published Online: 2018-10-17
Published in Print: 2019-05-27
Author contributions: Research idea and study design: AHW and IA; data acquisition: IA; data analysis/interpretation: AHW and IA; statistical analysis: AHW; supervision or mentorship: NA. Support: none. All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None.
Employment or leadership: The authors disclose that they are members of the Scientific Advisory Board for Sphingotec Inc.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.