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Does Heart Rate Variability Predict Impairment of Operational Performance in Divers?
Sensors (Basel)
December 2024
Department of Anesthesiology, Duke University, Durham, NC 27708, USA.
We examined data from Naval Sea Systems Command grant project N0463A-12-C-001, "Hypercapnia: cognitive effects and monitoring", with the objective of validating or repudiating heart rate variability (HRV) as a warning sign of cognitive impairment from diving gas narcosis or oxygen toxicity. We compared HRV feature scores to their temporally corresponding cognitive outcomes under normal and narcotizing conditions to identify specific HRV features associated with cognitive changes. N0463A-12-C-001 was conducted between 17 September 2013 and 29 January 2016 and employed NASA's multi-attribute task battery (MATB-II) flight simulator to examine the independent effects of CO, N, and O partial pressure on diver performance at simulated depths up to 61 msw (200 fsw).
View Article and Find Full Text PDFMarchiafava-Bignami Disease: A Case Report of a Reversible Cause of Dementia.
Cureus
November 2024
Internal Medicine, Centro Hospitalar Universitário de Santo António, Porto, PRT.
Marchiafava-Bignami disease (MBD) is a rare neurological disorder predominantly associated with chronic alcohol use, characterized by demyelination and necrosis of the corpus callosum. The condition often presents with cognitive dysfunction, motor deficits, and altered consciousness, which can range from mild confusion to severe stupor. Early recognition and treatment are crucial for improving outcomes.
View Article and Find Full Text PDFCerebral Hydatidosis in a Lamb.
Vet Med Sci
January 2025
Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
A 6-month-old Afshari male lamb was examined on a semi-intensive farm due to anorexia and neurologic signs, including head tilt, circling, bilateral positive menace response and stupor. The sheep was slaughtered and necropsied. After routine parasitology and histopathology procedures, the occurrence of cerebral hydatidosis was confirmed.
View Article and Find Full Text PDFBeneficial effects of the Remifentanil/Thiopental combination on cardiac function and redox status in diabetic rats.
Can J Physiol Pharmacol
November 2024
Clinical Center Kragujevac, Department of Anesthesiology and Resuscitation, Kragujevac, Serbia;
This study aimed to examine the effect of thiopental monotherapy as well as its combination with different agents used in anesthesia induction, on cardiac function and redox state of rats with Type 1 diabetes mellitus (T1DM). A total of 40 Wistar albino male rats were used in this study and randomly divided into five groups: thiopental (TIO), fentanyl + thiopental (FEN+TIO), remifentanil + thiopental (REM+TIO), midazolam + thiopental (MID+TIO), and dexmedetomidine + thiopental (DEX+TIO). Animals were anesthetized by intraperitoneal injection of thiopental 85 mg/kg, fentanyl 0.
View Article and Find Full Text PDFA comprehensive study on mechanisms of action of fibroin, aloe vera, and ginger extracts through histochemical, inflammation biomarkers, and matrix metalloproteinases analysis against diabetic wounds.
J Tissue Viability
November 2024
Department of Zoology, University of Poonch, Rawalakot, AJK, Pakistan.
Introduction: Diabetes causes complications like delayed wound healing for a long time. Fibroin, aloe vera, and ginger extracts along with their combinations are used for diabetic wound healing.
Methods: After induction of diabetes, The wound healing effects of fibroin (50 mg/ml), aloe vera gel (50 mg/ml), and ginger extract (30 mg/ml), individually and in combination, were assessed.
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