SCCMPod-561: Microcirculation and Shock in Critical Care

In this episode of the Society of Critical Care Medicine (SCCM) Podcast, host Marilyn N. Bulloch, PharmD, BCPS, FCCM, speaks with Olfa Hamzaoui, MD, PhD, professor of intensive care at Robert Debré Hospital in Reims, France, about her Peter Safar Honorary Lecture at the 2025 Critical Care Congress . The conversation centers on tissue perfusion, microcirculation, and shock, with a focus on bridging the gap between bench research and bedside practice. Dr. Hamzaoui shares insights on current scientific understanding of microcirculation and shock, including research on tools to monitor microcirculation, such as handheld video microscopy. The discussion highlights the utility of capillary refill time as a simple, noninvasive tool for guiding resuscitation. Dr. Hamzaoui advocates for early and repeated echocardiographic assessment in shock management, including during de-resuscitation. She also discusses her 2023 article in Clinical Medicine, which proposed titrating norepinephrine to individualized targets. This episode offers a compelling look at how emerging tools and research can refine shock management and promote precision care in critical illness. This podcast is sponsored by Fresenius Kabi . Resources referenced in this episode: Effects of a Resuscitation Strategy Targeting Peripheral Perfusion Status versus Serum Lactate Levels Among Patients with Septic Shock. A Bayesian Reanalysis of the ANDROMEDA-SHOCK Trial ( Zampieri FG, et al. Am J Respir Crit Care Med. 2020;201:423-429 ) The Eight Unanswered and Answered Questions about the Use of Vasopressors in Septic Shock ( Hamzaoui O, et al. J Clin Med. 2023;12:4589 ) Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2021 ( Evans L, et al. Crit Care Med. 2021;49:e1063-e1143 )

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SCCMPod-561: Microcirculation and Shock in Critical Care is an episode from iCritical Care: Critical Care Medicine by Society of Critical Care Medicine (SCCM).

This episode is 55:06 long.

This episode was published on Dec 18, 2025.

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