Online Letters to the EditorProcalcitonin as a Mediator in Sepsis: Are We Reinventing the Wheel?Honore, Patrick M. MD, PhD, FCCM1; Redant, Sebastien MD1; Preseau, Thierry MD2; Kaefer, Keitiane MD1; Barreto Gutierrez, Leonel MD1; Attou, Rachid MD1; Gallerani, Andrea MD1; De Bels, David MD1Author Information 1 ICU Department, Centre Hospitalier Universitaire Brugmann, Brussels, Belgium 2 ED Department, Centre Hospitalier Universitaire Brugmann, Brussels, Belgium Drs. Honore, Redant, and De Bels designed the article. All authors participated in drafting and reviewing, read and approved the final version of the article. The authors have disclosed that they do not have any potential conflicts of interest. Critical Care Medicine: December 2021 - Volume 49 - Issue 12 - p e1255-e1256 doi: 10.1097/CCM.0000000000005186 Buy Metrics Copyright © 2021 by the Society of Critical Care Medicine and Wolters Kluwer Health, Inc. All Rights Reserved.