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Comparative Analysis of the Enzymatic, Coagulant, and Neuromuscular Activities of Two Variants of Venom and Antivenom Efficacy.
Pharmaceuticals (Basel)
January 2025
Laboratory of Toxinology and Cardiovascular Research, University of Western São Paulo (UNOESTE), Presidente Prudente 19050-680, SP, Brazil.
We compared the enzymatic, coagulant, and neuromuscular activities of two variants (yellow-CDRy and white-CDRw) of venom with a sample of (CDT) venom and examined their neutralization by antivenom against CDT venom. The venoms were screened for enzymatic and coagulant activities using standard assays, and electrophoretic profiles were compared by SDS-PAGE. Neutralization was assessed by preincubating venoms with crotalic antivenom and assaying the residual activity.
View Article and Find Full Text PDFEncapsulation of Vecuronium and Rocuronium by Sugammadex Investigated by Surface-Enhanced Raman Spectroscopy.
Molecules
January 2025
Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia.
Aiming toward a novel, noninvasive technique, with a real-time potential application in the monitoring of the complexation of steroidal neuromuscular blocker drugs Vecuronium () and Rocuronium () with sugammadex (, medication for the reversal of neuromuscular blockade induced by or in general anesthesia), we developed proof-of-principle methodology based on surface-enhanced Raman spectroscopy (SERS). Silver nanoparticles prepared by the reduction of silver ions with hydroxylamine hydrochloride were used as SERS-active substrates, additionally aggregated with calcium nitrate as needed. The and SERS spectra were obtained within the biorelevant 5 × 10-1 × 10 M range, as well as the SERS of , though the latter was observed only in the presence of the aggregating agent.
View Article and Find Full Text PDFComparison of the Effects of Sugammadex Recommended Dose (2 mg/kg) and Fixed Dose of 200 mg on the Reversal of Moderate Neuromuscular Block and Recovery Profile in Adult Patients.
Medicina (Kaunas)
January 2025
Department of Anaesthesiology and Pain Medicine, Konyang University Hospital, Konyang University Myunggok Medical Research Institute, Konyang University College of Medicine, Daejeon 35365, Republic of Korea.
: Neuromuscular blocking agents are essential to ensure optimal surgical conditions during general anesthesia. Sugammadex, a selective binding agent, is widely used to reverse neuromuscular blockade. While weight-based dosing (2 mg/kg for moderate blockade) is recommended, many clinicians administer a fixed dose of 200 mg in clinical practice, potentially leading to overdosing.
View Article and Find Full Text PDFPharmacodynamics and pharmacokinetics of rocuronium in sevoflurane-anesthetized Thoroughbred horses.
Vet Anaesth Analg
December 2024
Equine Research Institute, Japan Racing Association, Shimotsuke, Japan.
Objective: To investigate the pharmacodynamics and pharmacokinetics of rocuronium administered by bolus injection to sevoflurane-anesthetized horses.
Study Design: Prospective, experimental, crossover study.
Animals: Five healthy adult Thoroughbred horses (body mass 368-470 kg, three females and two males).
Deep neuromuscular blockade during radiofrequency catheter ablation under general anesthesia reduces the prevalence of atrial fibrillation recurrence when compared to moderate neuromuscular blockade: A randomized controlled trial.
PLoS One
January 2025
Department of Anesthesiology and Pain Medicine, Kangbuk Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
Background: Proper anesthesia management is required to maintain immobilization and stable breathing of the patient to improve catheter contact and stability during catheter ablation for PVI. However, it remains unclear whether the depth of neuromuscular blockade affects the results of RFCA under general anesthesia.
Methods: The patients were randomly assigned to either the moderate neuromuscular blockade group (Group M, train-of-four 1 to 2) or the deep neuromuscular blockade group (Group D, posttetanic count 1-2).
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