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Background Music therapy is a safe, non-pharmacological way to help reduce anxiety, especially before surgery. It helps to calm the nervous system, promotes relaxation, and offers comfort by blocking outside noise and distracting from pain. This can be helpful in managing preoperative anxiety and symptoms like hypertension and tachycardia.
View Article and Find Full Text PDFThe relationship of bispectral index values to conscious state: an analysis of two volunteer cohort studies.
Br J Anaesth
December 2024
Central Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Department of Anaesthetics, Royal Prince Alfred Hospital, Sydney Local Health District, Sydney, NSW, Australia; Institute of Academic Surgery, Royal Prince Alfred Hospital, Sydney Local Health District, Sydney, NSW, Australia; NHMRC Clinical Trials Centre, The University of Sydney, Sydney, NSW, Australia.
Background: The ability of current depth-of-anaesthesia monitors to differentiate subtle changes in the conscious state has not been well characterised. We examine the variability in bispectral index (BIS) scores associated with disconnected conscious and unconscious states as confirmed by a novel serial awakening paradigm.
Methods: Seventy adult participants, given propofol or dexmedetomidine, had a cumulative 1381 electroencephalographic (EEG) recordings across two centres.
Anesthetic Management and Considerations During Surgical Dissection of a Schwannoma Causing Severe Cervical Spinal Canal Stenosis and Vertebral Artery Compression.
Cureus
October 2024
Anesthesiology, West Virginia University School of Medicine, Morgantown, USA.
Article Synopsis
- Neurosurgical anesthetic management involves careful planning, focusing on positioning during intubation, neuromonitoring, and selecting appropriate anesthetic agents to enhance patient outcomes.
- A detailed case study of a 64-year-old woman with a cervical spine schwannoma showcases the implementation of video laryngoscopy to minimize neck movement and the use of propofol, remifentanil, and sevoflurane for continuous neuromonitoring.
- The surgery was successful, with stable neurological function during the procedure, and the patient had no complications post-operation, being successfully extubated afterward.
Wavelet transform-based mode decomposition for EEG signals under general anesthesia.
PeerJ
November 2024
University Hospital, Kyoto Prefectural University of Medicine, Kyoto, Japan.
Background: Mode decomposition methods are used to extract the characteristic intrinsic mode function (IMF) from various multidimensional time series signals. We analyzed an electroencephalogram (EEG) dataset for sevoflurane anesthesia using two wavelet transform-based mode decomposition methods, comprising the empirical wavelet transform (EWT) and wavelet mode decomposition (WMD) methods, and compared the results with those from the previously reported variational mode decomposition (VMD) method.
Methods: To acquire the EEG data, we used the software application EEG Analyzer, which enabled the recording of raw EEG signals the serial interface of a bispectral index (BIS) monitor.
Efficacy and safety of remimazolam tosylate for patients undergoing off-pump coronary artery bypass grafting: a study protocol for a non-inferiority randomised controlled trial in China.
BMJ Open
November 2024
Department of Anaesthesiology, Zibo Central Hospital, Zibo, Shandong, China
Introduction: Maintaining haemodynamic stability is crucial but challenging during the induction and maintenance of general anaesthesia (GA) in patients undergoing off-pump coronary artery bypass grafting (OPCABG). Remimazolam tosylate is a novel ultra-short-acting benzodiazepine with minimal cardiovascular depression. Currently, non-inferior studies comparing the haemodynamic changes induced by remimazolam and etomidate are limited.
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