• Robert T Mankowski, Orlando Laitano, Dijoia Darden, Lauren Kelly, Jennifer Munley, Tyler J Loftus, Alicia M Mohr, Philip A Efron, and Ryan M Thomas.
• Department of Aging and Geriatric Research, University of Florida, Gainesville, Florida.
• Shock. 2022 Jan 1; 57 (1): 152315-23.

AbstractSepsis is currently defined as a life-threatening organ dysfunction caused by a dysregulated host response to infection. The skeletal muscle system is among the host organ systems compromised by sepsis. The resulting neuromuscular dysfunction and impaired regenerative capacity defines sepsis-induced myopathy and manifests as atrophy, loss of strength, and hindered regeneration after injury. These outcomes delay recovery from critical illness and confer increased vulnerability to morbidity and mortality. The mechanisms underlying sepsis-induced myopathy, including the potential contribution of peripheral organs, remain largely unexplored. The gut microbiome is an immunological and homeostatic entity that interacts with and controls end-organ function, including the skeletal muscle system. Sepsis induces alterations in the gut microbiota composition, which is globally termed a state of "dysbiosis" for the host compared to baseline microbiota composition. In this review, we critically evaluate existing evidence and potential mechanisms linking sepsis-induced myopathy with gut microbiota dysbiosis.Copyright © 2021 by the Shock Society.

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