Isoflurane, hailed as the anesthetic of the 1980s, is less hepatotoxic than its predecessors, halothane and enflurane. Since its release by the Food and Drug Administration in 1979, controversy has existed about the extent to which isoflurane is capable of producing hepatotoxic effects. In this report, we provide direct evidence that isoflurane can induce liver injury and should therefore be considered as a potential cause of serum transaminase elevations in any patient who is exposed to this anesthetic.
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Am J Physiol Heart Circ Physiol
January 2025
Department of Pharmacology, Physiology and Neurobiology, University of Cincinnati College of Medicine, Cincinnati, OH.
Lower body negative pressure (LBNP) has been used for decades in humans to model arterial baroreceptor unloading and represents a powerful tool for evaluating cardiovascular responses to orthostatic challenge. However, LBNP studies in animals have been limited to conditions of anesthesia or sedation, where cardiovascular reflexes are altered. Given the consequent uncertainties, the usefulness of LBNP studies in these preclinical models has been severely hampered.
View Article and Find Full Text PDFAnimals (Basel)
December 2024
Hanseklinik für Pferde, Karl-Benz-Straße 5-7, 27419 Sittensen, Germany.
The use of Bio-Electro-Magnetic-Energy-Regulation (BEMER) therapy during general anesthesia has not previously been reported in horses. This randomized, investigator-blinded, placebo-controlled trial evaluates equine cardiopulmonary function and recovery quality after BEMER therapy application for 15 min in 100 horses during general anesthesia using isoflurane for pars-plana vitrectomy surgery as treatment for recurrent uveitis. Visually identical blankets were used in the two groups (1:1 ratio), one with a functional BEMER module and the other with a placebo module.
View Article and Find Full Text PDFEcotoxicol Environ Saf
January 2025
Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai 200032, China. Electronic address:
Surgery remains the primary treatment for solid malignant tumors, but controlling postoperative tumor recurrence and metastasis continues to be a major challenge. Understanding the factors that influence tumor recurrence and metastasis after surgery, as well as the underlying biological mechanisms, is critical. Previous studies suggest that anesthetic agents may increase the risk of tumor recurrence and metastasis in patients with cancer, but the mechanisms underlying these findings remain unclear.
View Article and Find Full Text PDFCell Mol Life Sci
January 2025
Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Department of Anesthesiology and Perioperative MedicineSchool of Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, 1239 Sanmen Road, Hongkou District, Shanghai, 200434, China.
Background: Perioperative neurocognitive disorder (PND) is a prevalent form of cognitive impairment in elderly patients following anesthesia and surgery. The underlying mechanisms of PND are closely related to perineuronal nets (PNNs). PNNs, which are complexes of extracellular matrix primarily surrounding neurons in the hippocampus, play a critical role in neurocognitive function.
View Article and Find Full Text PDFJ Anaesthesiol Clin Pharmacol
May 2024
Department of Anaesthesiology and Critical Care, Lady Hardinge Medical College, New Delhi, India.
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