Historical collapse of ancient states or civilizations has raised new awareness about its possible relevance to current issues of sustainability, in the context of global change. This Special Feature examines 12 case studies of societies under stress, of which seven suffered severe transformation. Outcomes were complex and unpredictable. Five others overcame breakdown through environmental, political, or socio-cultural resilience, which deserves as much attention as the identification of stressors. Response to environmental crises of the last millennium varied greatly according to place and time but drew from traditional knowledge to evaluate new information or experiment with increasing flexibility, even if modernization or intensification were decentralized and protracted. Longer-term diachronic experience offers insight into how societies have dealt with acute stress, a more instructive perspective for the future than is offered by apocalyptic scenarios.
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http://dx.doi.org/10.1073/pnas.1114772109 | DOI Listing |
J Community Hosp Intern Med Perspect
January 2025
Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA.
Purpose: This study evaluated the predictive value of SCAI shock staging for mortality in patients with sepsis and septic shock admitted to the medical ICU.
Materials And Methods: This is a single-center historical cohort study. We analyzed data for adults (≥18-year-old) admitted to the medical ICU at Mayo Clinic St.
Medicina (Kaunas)
January 2025
Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk 119334, Russia.
: In-hospital mortality associated with myocardial infarction complicated by cardiogenic shock (MI-CS) remains critically high. A particularly challenging form, mixed shock (MS), combines features of cardiogenic shock (CS) with distributive elements such as vasodilation and reduced vascular resistance. MS is associated with elevated mortality rates and presents unique diagnostic and therapeutic challenges.
View Article and Find Full Text PDFJACC Adv
January 2025
Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.
Background: Liver synthetic dysfunction predicts outcomes in cardiac intensive care unit (CICU) patients.
Objectives: The purpose of this study was to evaluate the associations between the severity and extent of admission liver function test (LFT) abnormalities and mortality in a mixed CICU population.
Methods: This historical cohort study included unique CICU patients from 2007 to 2018 with available data for admission LFT values.
Am J Forensic Med Pathol
January 2025
From the Department of Pathology, University of Nevada Reno School of Medicine.
Necrotizing wound infections are potentially lethal complications of surgeries, including cesarean deliveries. A 32-year-old female with obesity and hidradenitis suppurativa (HS) underwent uncomplicated cesarean section. Four days later, she developed abdominal pain and imaging showed ascites; she was treated with antibiotics.
View Article and Find Full Text PDFHeliyon
January 2025
Centre for Tropicalization (CENTROP), Defence Research Institute, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi, 57000, Kuala Lumpur, Malaysia.
Nitrocellulose (NC)-based propellants have played a pivotal role in the development of energetic materials for both military and civilian applications. This review offers a comprehensive exploration of NC-based propellants, tracing their evolution from their historical origins as smokeless gunpowder to modern advancements. It discusses the chemical composition and classifications of NC propellants, along with continuous efforts to refine smokeless powder formulations through studies on smoke formation, residues, and additives.
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