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Anesth. Res., Volume 2, Issue 4 (December 2025) – 4 articles

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23 pages, 915 KB  
Review
Endocannabinoid System in Sepsis: A Scoping Review
by Brandon Thai, Hideaki Yamamoto, Aristides Koutrouvelis and Satoshi Yamamoto
Anesth. Res. 2025, 2(4), 24; https://doi.org/10.3390/anesthres2040024 - 24 Oct 2025
Viewed by 129
Abstract
Sepsis is a life-threatening syndrome marked by a dysregulated host response to infection, resulting in systemic inflammation, organ dysfunction, and high mortality globally. Despite advancements in supportive care, effective immunomodulatory therapies remain elusive, necessitating exploration of novel biological pathways and subsequent therapeutic development. [...] Read more.
Sepsis is a life-threatening syndrome marked by a dysregulated host response to infection, resulting in systemic inflammation, organ dysfunction, and high mortality globally. Despite advancements in supportive care, effective immunomodulatory therapies remain elusive, necessitating exploration of novel biological pathways and subsequent therapeutic development. The endocannabinoid system (ECS), which regulates immune function and homeostasis, has emerged as a key modulator of immunological and metabolic pathways central to sepsis pathophysiology. The ECS mediates its effects through endogenous ligands, G-protein-coupled cannabinoid receptors (CB1 and CB1), and regulatory enzymes that control its synthesis and degradation. Following PRISMA-ScR guidelines, this scoping review synthesizes current evidence on the mechanistic roles of ECS components in experimental and clinical models of sepsis, identifies knowledge gaps, and delineates future areas of work. A comprehensive literature search across multiple databases without restrictions on date or publication type was executed to ensure broad coverage of original studies investigating ECS mechanisms and their intersection with sepsis and septic shock. Across 53 studies, CB2 receptor activation was consistently associated with anti-inflammatory process, organ-protective outcomes, and increased survival rates against septic challenges in preclinical rodent models. CB1 receptor activation trends, however, showed context dependent outcomes. Central antagonism improved hemodynamics and survival rate, but peripheral effects varied with cell type and timing. Non-canonical ECS components (TRPV1, GPR55, PPAR-α, FAAH, MAGL) also contributed to neuroimmune and metabolic regulation. Limited clinical data linked ECS lipid profiles and gene expression with sepsis severity and outcomes. Collectively, ECS modulation, particularly CB2 agonism, TRPV1 activation, and FAAH/MAGL inhibition, shows promise in mitigating sepsis-induced inflammation and organ dysfunction. However, complex, context-dependent effects, especially involving CB1, highlight the need for precision-targeted therapeutic approaches. Further preclinical research is needed to expand generalizable trends to allow translational research to refine ECS-based interventions for sepsis management. Full article
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15 pages, 386 KB  
Review
Sepsis Biomarkers: What Surgeons Need to Know
by Gabriele Melegari, Federica Arturi, Fabio Gazzotti, Matteo Villani, Elisabetta Bertellini and Alberto Barbieri
Anesth. Res. 2025, 2(4), 23; https://doi.org/10.3390/anesthres2040023 - 13 Oct 2025
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Abstract
Background: Sepsis is a life-threatening syndrome caused by a dysregulated host response to infection leading to organ dysfunction. Distinguishing sepsis from localized infection is crucial, as it guides clinical decision-making and biomarker interpretation. Biomarkers may support diagnosis, prognosis, and therapeutic choices, but their [...] Read more.
Background: Sepsis is a life-threatening syndrome caused by a dysregulated host response to infection leading to organ dysfunction. Distinguishing sepsis from localized infection is crucial, as it guides clinical decision-making and biomarker interpretation. Biomarkers may support diagnosis, prognosis, and therapeutic choices, but their integration into practice remains debated. Methods: This narrative review was conducted in accordance with the SANRA (Scale for the Assessment of Narrative Review Articles) guidelines. A comprehensive literature search was performed in PubMed, Embase, and Cochrane CENTRAL (January 2000–September 2025). Studies evaluating sepsis-related biomarkers for diagnosis, prognostication, shock assessment, antimicrobial stewardship, and post-acute follow-up were considered. Findings: Established biomarkers such as procalcitonin (PCT), C-reactive protein (CRP), and lactate remain widely used for diagnosis, monitoring of inflammatory response, and assessment of severity. Emerging candidates include pancreatic stone protein (PSP), neutrophil gelatinase-associated lipocalin (NGAL), and monocyte HLA-DR (mHLA-DR), which may provide insights into infection dynamics, renal injury, and immune suppression, respectively. However, limitations in standardization and heterogeneous evidence hinder routine implementation. Interleukin-6 (IL-6), despite extensive study, shows limited specificity and inconsistent clinical applicability. Renin has been proposed as a marker of shock severity rather than infection. Comparative evidence highlights the need for stage-specific biomarker use across prehospital, emergency, ICU, and recovery phases. Conclusions: No single biomarker is universally applicable in sepsis. Their utility depends on timing, clinical setting, and patient phenotype. Combining classical and emerging biomarkers with point-of-care technologies and dynamic monitoring may enhance personalized management. Limitations include heterogeneity of evidence and lack of standardized thresholds. Future research should validate biomarker panels, integrate them into stewardship strategies, and explore their cost-effectiveness in clinical practice. Full article
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11 pages, 219 KB  
Review
History as a Tool in Anesthesia Education: Leveraging the Past to Teach Professionalism and Shape Professional Identity
by Anuj K. Aggarwal
Anesth. Res. 2025, 2(4), 22; https://doi.org/10.3390/anesthres2040022 - 29 Sep 2025
Viewed by 326
Abstract
The teaching of medical history, once central to medical education, has been progressively displaced by science- and competency-focused curricula. In anesthesiology, despite the presence of historical scholarship and institutional resources, the history of this specialty is rarely used as a formal educational tool. [...] Read more.
The teaching of medical history, once central to medical education, has been progressively displaced by science- and competency-focused curricula. In anesthesiology, despite the presence of historical scholarship and institutional resources, the history of this specialty is rarely used as a formal educational tool. This narrative review explores how historical narratives can support the development of professionalism and professional identity in anesthesia training. An exploratory search of the literature revealed no prior studies explicitly linking anesthesia history to professional identity formation, underscoring a gap in current scholarship. Drawing on the foundational literature in medical education and selected historical examples, including figures such as Crawford Long, Henry Beecher, and Virginia Apgar, this review illustrates how reflective engagement with historical episodes can deepen ethical awareness, foster identity formation, and contextualize the evolving role of the anesthesiologist. It proposes a theoretical framework and strategies for integrating historical content into anesthesia curricula and argues that historical reflection can complement existing methods for teaching professionalism. The history of anesthesia, when purposefully employed, offers a powerful means to humanize training, support critical reflection, and better prepare trainees for the ethical and professional challenges of contemporary practice. Full article
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18 pages, 564 KB  
Review
Postoperative Pain and Opioid Use in Urogynecology Patients
by Laura DiVirgilio, Jaime B. Long and Sarah S. Boyd
Anesth. Res. 2025, 2(4), 21; https://doi.org/10.3390/anesthres2040021 - 24 Sep 2025
Viewed by 372
Abstract
Opioid use disorder remains a leading national cause of mortality. Physician opioid prescribing contributes to this crisis. In urogynecology, most of these prescriptions are aimed at addressing postoperative pain. This expert review examines the factors that contribute to postoperative pain and opioid use [...] Read more.
Opioid use disorder remains a leading national cause of mortality. Physician opioid prescribing contributes to this crisis. In urogynecology, most of these prescriptions are aimed at addressing postoperative pain. This expert review examines the factors that contribute to postoperative pain and opioid use in urogynecologic patients. We discuss patient characteristics, physician interventions and alternative therapies that may influence postoperative pain and opioid use. By identifying patients at higher risk for postoperative pain and opioid use and utilizing evidence-based strategies to mitigate postoperative pain, physicians caring for urogynecology patients can both reduce postoperative opioid use while still providing adequate patient pain control. Full article
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