• Eduardo Kattan, Miguel Ibarra-Estrada, Gustavo Ospina-Tascón, and Glenn Hernández.
• Departamento de Medicina Intensiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
• Curr Opin Crit Care. 2023 Jun 1; 29 (3): 208214208-214.

Purpose Of ReviewThe ANDROMEDA-SHOCK trial positioned capillary refill time (CRT) assessment as a novel resuscitation target for septic shock.The purpose of this article is to summarize pathophysiological determinants of CRT, review new technical developments on peripheral perfusion assessment, and explore recent evidence on the role of CRT monitoring in septic shock and other critical conditions.Recent FindingsA growing body of evidence supports the role of peripheral perfusion assessment as a warning and prognostic signal in a variety of clinical conditions among severely ill patients. Recent physiological studies demonstrated a rapid improvement of CRT after a single fluid bolus or a passive leg raising maneuver, a fact which may have diagnostic and therapeutic implications. Moreover, a couple of posthoc analyses of ANDROMEDA-SHOCK trial, reinforce that a normal CRT at the start of septic shock resuscitation, or its rapid normalization, thereafter may be associated with significant better outcomes.SummaryRecent data confirm the relevance of peripheral perfusion assessment in septic shock and other conditions in critically ill patients. Future studies should confirm these findings, and test the potential contribution of technological devices to assess peripheral perfusion.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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