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Kim YS, Kim J, Park S, Kim KN, Ha Y, Yi S, Shin DA, Kuh SU, Lee CK, Koo BN, Kim SE. Differential effects of sevoflurane and desflurane on frontal intraoperative electroencephalogram dynamics associated with postoperative delirium. J Clin Anesth 2024; 93:111368. [PMID: 38157663 DOI: 10.1016/j.jclinane.2023.111368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 11/23/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
STUDY OBJECTIVE Intraoperative electroencephalogram (EEG) patterns associated with postoperative delirium (POD) development have been studied, but the differences in EEG recordings between sevoflurane- and desflurane-induced anesthesia have not been clarified. We aimed to distinguish the EEG characteristics of sevoflurane and desflurane in relation to POD development. DESIGN AND PATIENTS We collected frontal four-channel EEG data during the maintenance of anesthesia from 148 elderly patients who received sevoflurane (n = 77) or desflurane (n = 71); 30 patients were diagnosed with delirium postoperatively. The patients were divided into four subgroups based on anesthetics and delirium status: sevoflurane delirium (n = 17), sevoflurane non-delirium (n = 60), desflurane delirium (n = 13), and desflurane non-delirium (n = 58). We compared spectral power, coherence, and pairwise phase consistency (PPC) between sevoflurane and desflurane, and between non-delirium and delirium groups for each anesthetic. MAIN RESULTS In patients without POD, the sevoflurane non-delirium group exhibited higher EEG spectral power across 8.5-35 Hz (99.5% CI bootstrap analysis) and higher PPC from alpha to gamma bands (p < 0.005) compared to the desflurane non-delirium group. Conversely, in patients with POD, no significant EEG differences were observed between the sevoflurane and desflurane delirium groups. For the sevoflurane-induced patients, the sevoflurane delirium group had significantly lower power within 7.5-31.5 Hz (99.5% CI bootstrap analysis), reduced coherence over 8.9-23.8 Hz (99.5% CI bootstrap analysis), and lower PPC values in the alpha band (p < 0.005) compared with the sevoflurane non-delirium group. For the desflurane-induced patients, there were no significant differences in the EEG patterns between delirium and non-delirium groups. CONCLUSIONS In normal patients without POD, sevoflurane demonstrates a higher power spectrum and prefrontal connectivity than desflurane. Furthermore, reduced frontal alpha power, coherence, and connectivity of intraoperative EEG could be associated with an increased risk of POD. These intraoperative EEG characteristics associated with POD are more noticeable in sevoflurane-induced anesthesia than in desflurane-induced anesthesia.
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Affiliation(s)
- Yeon-Su Kim
- Department of Applied Artificial Intelligence, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Jeongmin Kim
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Sujung Park
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Keung Nyun Kim
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Yoon Ha
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea; POSTECH Biotech Center, Pohang University of Science and Technology, Pohang, Gyeongbuk 37673, Republic of Korea
| | - Seong Yi
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Dong Ah Shin
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Sung Uk Kuh
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Chang Kyu Lee
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Bon-Nyeo Koo
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.
| | - Seong-Eun Kim
- Department of Applied Artificial Intelligence, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea.
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AlMajali M, Patel MS, Patel NK, Zhang JK, Tapia C, Bucholz RD, Chand P. A Technique of Deep Brain Stimulation of the Globus Pallidus Interna for Dystonia Under General Anesthesia With Sevoflurane. Cureus 2023; 15:e40819. [PMID: 37485182 PMCID: PMC10362972 DOI: 10.7759/cureus.40819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2023] [Indexed: 07/25/2023] Open
Abstract
Background Globus pallidus interna (GPi) deep brain stimulation (DBS) is an established surgical procedure that confers a benefit in medication refractory dystonia. Patients with generalized dystonia require general anesthesia (GA) for the surgery as their movements may hinder the surgical procedure. General anesthetics tend to dampen the microelectrode recordings (MERs) from the GPi. Methods We describe our experience with a series of consecutive patients with dystonia who underwent bilateral GPi DBS using standard DBS and MER under GA using sevoflurane as the maintenance general anesthetic drug. All patients had Medtronic 3,387 leads implanted and connected to an RC battery. Patients underwent sequential programming of the DBS after the surgery. Results The mean age of the 13 patients who underwent DBS of the GPi for dystonia was 46.5 years with a range from 29 to 71 years. Every patient in our case series received various doses of (1.37% to 2.11%) inhaled sevoflurane for anesthesia maintenance. Sevoflurane provided adequate anesthesia and allowed accurate MERs from the GPi. No adverse effects were encountered. On follow-up and sequential DBS programming, patients had significant improvements in dystonia attesting to the accuracy of the electrode placements. Conclusions We report our experience using sevoflurane for maintenance of GA for bilateral GPi DBS for dystonia. The main benefits identified have been adequate anesthesia and reduction of dystonia-related movements to allow the performance of the DBS surgery. The MER signals from the GPi were not suppressed by sevoflurane. This allowed accurate mapping and placement of the DBS implants in the GPi.
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Affiliation(s)
| | - Mayur S Patel
- Neurosurgery, The Ohio State University Wexner Medical Center, Columbus, USA
| | - Niel K Patel
- Internal Medicine, University of California San Diego, San Diego, USA
- Internal Medicine, Saint Louis University School of Medicine, St. Louis, USA
| | | | | | - Richard D Bucholz
- Neurological Surgery, Saint Louis University School of Medicine, Saint Louis, USA
| | - Pratap Chand
- Neurology, Saint Louis University School of Medicine, Saint Louis, USA
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Li Y, Zeng Y, Lin M, Wang Y, Ye Q, Meng F, Cai G, Cai G. β Oscillations of Dorsal STN as a Potential Biomarker in Parkinson's Disease Motor Subtypes: An Exploratory Study. Brain Sci 2023; 13:737. [PMID: 37239209 PMCID: PMC10216185 DOI: 10.3390/brainsci13050737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/21/2023] [Accepted: 04/26/2023] [Indexed: 05/28/2023] Open
Abstract
Parkinson's disease (PD) can be divided into postural instability and difficult gait (PIGD) and tremor dominance (TD) subtypes. However, potential neural markers located in the dorsal ventral side of the subthalamic nucleus (STN) for delineating the two subtypes of PIGD and TD have not been demonstrated. Therefore, this study aimed to investigate the spectral characteristics of PD on the dorsal ventral side. The differences in the β oscillation spectrum of the spike signal on the dorsal and ventral sides of the STN during deep brain stimulation (DBS) were investigated in 23 patients with PD, and coherence analysis was performed for both subtypes. Finally, each feature was associated with the Unified Parkinson's Disease Rating Scale (UPDRS). The β power spectral density (PSD) in the dorsal STN was found to be the best predictor of the PD subtype, with 82.6% accuracy. The PSD of dorsal STN β oscillations was greater in the PIGD group than in the TD group (22.17% vs. 18.22%; p < 0.001). Compared with the PIGD group, the TD group showed greater consistency in the β and γ bands. In conclusion, dorsal STN β oscillations could be used as a biomarker to classify PIGD and TD subtypes, guide STN-DBS treatment, and relate to some motor symptoms.
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Affiliation(s)
- Yongjie Li
- College of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Yuqi Zeng
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China; (Y.Z.)
- Fujian Key Laboratory of Molecular Neurology, Institute of Clinical Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou 350001, China
| | - Mangui Lin
- College of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Yingqing Wang
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China; (Y.Z.)
- Fujian Key Laboratory of Molecular Neurology, Institute of Clinical Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou 350001, China
| | - Qinyong Ye
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China; (Y.Z.)
- Fujian Key Laboratory of Molecular Neurology, Institute of Clinical Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou 350001, China
| | - Fangang Meng
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China;
| | - Guofa Cai
- College of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Guoen Cai
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China; (Y.Z.)
- Fujian Key Laboratory of Molecular Neurology, Institute of Clinical Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou 350001, China
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Lin HC, Wu YH, Huang CW, Ker MD. Verification of the beta oscillations in the subthalamic nucleus of the MPTP-induced parkinsonian minipig model. Brain Res 2022; 1798:148165. [DOI: 10.1016/j.brainres.2022.148165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/03/2022] [Accepted: 11/10/2022] [Indexed: 11/14/2022]
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Chen YC, Kuo CC, Chen SY, Chen TY, Pan YH, Wang PK, Tsai ST. Median Nerve Stimulation Facilitates the Identification of Somatotopy of the Subthalamic Nucleus in Parkinson’s Disease Patients under Inhalational Anesthesia. Biomedicines 2021; 10:biomedicines10010074. [PMID: 35052754 PMCID: PMC8772994 DOI: 10.3390/biomedicines10010074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/24/2021] [Accepted: 12/28/2021] [Indexed: 11/18/2022] Open
Abstract
Deep brain stimulation (DBS) improves Parkinson’s disease (PD) symptoms by suppressing neuropathological oscillations. These oscillations are also modulated by inhalational anesthetics used during DBS surgery in some patients, influencing electrode placement accuracy. We sought to evaluate a method that could avoid these effects. We recorded subthalamic nucleus (STN) neuronal firings in 11 PD patients undergoing DBS under inhalational anesthesia. Microelectrode recording (MER) during DBS was collected under median nerve stimulation (MNS) delivered at 5, 20, and 90 Hz frequencies and without MNS. We analyzed the spike firing rate and neuronal activity with power spectral density (PSD), and assessed correlations between the neuronal oscillation parameters and clinical motor outcomes. No patient experienced adverse effects during or after DBS surgery. PSD analysis revealed that peripheral 20 Hz MNS produced significant differences in the dorsal and ventral subthalamic nucleus (STN) between the beta band oscillation (16.9 ± 7.0% versus 13.5 ± 4.8%, respectively) and gamma band oscillation (56.0 ± 13.7% versus 66.3 ± 9.4%, respectively) (p < 0.05). Moreover, 20-Hz MNS entrained neural oscillation over the dorsal STN, which correlated positively with motor disabilities. MNS allowed localization of the sensorimotor STN and identified neural characteristics under inhalational anesthesia. This paradigm may help identify an alternative method to facilitate STN identification and DBS surgery under inhalational anesthesia.
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Affiliation(s)
- Yu-Chen Chen
- Department of Neurosurgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan; (Y.-C.C.); (S.-Y.C.); (Y.-H.P.)
- Department of Medical Informatics, Tzu Chi University, Hualien 970, Taiwan
| | - Chang-Chih Kuo
- Department of Physiology and Master Program in Medical Physiology, Tzu Chi University, Hualien 970, Taiwan;
| | - Shin-Yuan Chen
- Department of Neurosurgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan; (Y.-C.C.); (S.-Y.C.); (Y.-H.P.)
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan;
| | - Tsung-Ying Chen
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan;
- Department of Anesthesiology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan
| | - Yan-Hong Pan
- Department of Neurosurgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan; (Y.-C.C.); (S.-Y.C.); (Y.-H.P.)
| | - Po-Kai Wang
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan;
- Department of Anesthesiology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan
- Correspondence: (P.-K.W.); (S.-T.T.)
| | - Sheng-Tzung Tsai
- Department of Neurosurgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan; (Y.-C.C.); (S.-Y.C.); (Y.-H.P.)
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan;
- Correspondence: (P.-K.W.); (S.-T.T.)
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Abstract
PURPOSE OF REVIEW Deep brain stimulation (DBS) is a rapidly expanding surgical modality for the treatment of patients with movement disorders. Its ability to be adjusted, titrated, and optimized over time has given it a significant advantage over traditional more invasive surgical procedures. Therefore, the success and popularity of this procedure have led to the discovery of new indications and therapeutic targets as well as advances in surgical techniques. The aim of this review is to highlight the important updates in DBS surgery and to exam the anesthesiologist's role in providing optimal clinical management. RECENT FINDINGS New therapeutic indications have a significant implication on perioperative anesthesia management. In addition, new technologies like frameless stereotaxy and intraoperative magnetic resonance imaging to guide electrode placement have altered the need for intraoperative neurophysiological monitoring and hence increased the use of general anesthesia. With an expanding number of patients undergoing DBS implantation, patients with preexisting DBS increasingly require anesthesia for unrelated surgery and the anesthesiologist must be aware of the considerations for perioperative management of these devices and potential complications. SUMMARY DBS will continue to grow and evolve requiring adaptation and modification to the anesthetic management of these patients.
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Affiliation(s)
- Michael Dinsmore
- Department of Anesthesia and Pain Management, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
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