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Bispectral index monitoring

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https://www.readbyqxmd.com/read/28079825/the-utility-of-bispectral-index-monitoring-for-prevention-of-rocuronium-induced-withdrawal-movement-in-children-a-randomized-controlled-trial
#1
Byung Gun Lim, Il Ok Lee, Young Sung Kim, Young Ju Won, Heezoo Kim, Myoung Hoon Kong
BACKGROUND: This study was designed to determine whether a deep hypnotic state with a bispectral index (BIS) value less than 40 could alleviate withdrawal movement (WM) upon rocuronium injection during anesthesia induction in children. METHODS: Finally, 135 healthy children (3-12 years) scheduled for minor elective surgery were studied. Without premedication, anesthesia was induced with thiopental sodium 5 mg/kg. Patients were randomized into 2 groups (control vs experimental) and then by virtue of rocuronium injection time, patients in the experimental group were allocated into 2 groups, as follows: in the control group (group C; n = 45), rocuronium 0...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28078617/changes-in-the-first-postoperative-night-bispectral-index-of-patients-after-thyroidectomy-with-different-types-of-primary-anesthetic-management-a-randomized-controlled-trial
#2
Wen-Fei Tan, Zhi-Lin Wang, Hong Ma, Feng Jin, Huang-Wei Lu
Despite major advances in anesthesia management and developments in anesthetic agents, postoperative sleep disturbances remain dissatisfactory for many patients. We hypothesized that propofol might have a subtle influence on sleep after thyroidectomy compared to sevoflurane. A randomized, single-blinded, controlled trial was conducted at the First Hospital of China Medical University from October 2014 to October 2015. One hundred and twenty-four patients undergoing thyroidectomy were enrolled and received sevoflurane (sevoflurane group) or propofol (propofol group) as anesthesia maintenance...
January 12, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28068834/design-considerations-of-a-randomized-controlled-trial-of-sedation-level-during-hip-fracture-repair-surgery-a-strategy-to-reduce-the-incidence-of-postoperative-delirium-in-elderly-patients
#3
Tianjing Li, L Susan Wieland, Esther Oh, Karin J Neufeld, Nae-Yuh Wang, Kay Dickersin, Frederick E Sieber
Background Delirium is an acute change in mental status characterized by sudden onset, fluctuating course, inattention, disorganized thinking, and abnormal level of consciousness. The objective of the randomized controlled trial "A STrategy to Reduce the Incidence of Postoperative Delirium in Elderly Patients" (STRIDE) is to assess the effectiveness of light versus heavy sedation on delirium and other outcomes in elderly patients undergoing hip fracture repair surgery. Our goal is to describe the design considerations and lessons learned in planning and implementing the STRIDE trial...
January 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28063863/correlation-between-observational-scales-of-sedation-and-comfort-and-bispectral-index-scores-bis
#4
Michael Barbato, Greg Barclay, Jan Potter, Wilf Yeo, Joseph Chung
CONTEXT: When palliative care patients enter the phase of unconsciousness preceding death it is standard practice to initiate or continue a subcutaneous infusion of an opioid plus or minus a sedative. The doses are determined somewhat empirically and adjustments are based on clinical assessment and observational measures of sedation and comfort. Following reports that these observational measures could be misleading, this study assesses their validity by comparing them with an objective measure of sedation, the Bispectral Index score (BIS)...
January 4, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28060257/drug-induced-sleep-endoscopy-dise-with-target-controlled-infusion-tci-and-bispectral-analysis-in-obstructive-sleep-apnea
#5
Maximilian Traxdorf, Klaus Tschaikowsky, Claudia Scherl, Judith Bauer, Heinrich Iro, Florian Angerer
The aim of this study was to establish a standardized protocol for drug-induced sleep endoscopy (DISE) to differentiate obstruction patterns in obstructive sleep apnea (OSA). Target-controlled infusion (TCI) of the sedative propofol was combined with real-time monitoring of the depth of sedation using bispectral analysis. In an observational study 57 patients (mean age 44.8 years, ± SD 10.5; mean apnea hypopnea Index (AHI) 30.8/hr, ± SD 21.6, mean BMI 28.2 kg/m(2), ± SD 5.3) underwent cardiorespiratory polysomnography followed by DISE with TCI and bispectral analysis...
December 6, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28050479/dexmedetomidine-in-attenuation-of-haemodynamic-response-and-dose-sparing-effect-on-opioid-and-anaesthetic-agents-in-patients-undergoing-laparoscopic-cholecystectomy-a-randomized-study
#6
Nandlal Bhagat, Md Yunus, Habib Md Reazaul Karim, Ranendra Hajong, Prithwis Bhattacharyya, Manorama Singh
INTRODUCTION: Perioperative procedures are stressful and lead to haemodynamic instability with potentially devastating consequences. Dexmedetomidine is found to have many of the desired characteristics that are required in perioperative period. AIM: To evaluate the ability of pre and intraoperative dexmedetomidine to attenuate stress induced haemodynamic responses, quantifying the anaesthetic agents sparing as well as its cost-effectiveness in patients undergoing laparoscopic cholecystectomy...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28044337/the-role-and-limitations-of-eeg-based-depth-of-anaesthesia-monitoring-in-theatres-and-intensive-care
#7
REVIEW
Z Hajat, N Ahmad, J Andrzejowski
In this article we will look at some of the principles in processed EEG monitoring as applied to bispectral index (BIS). We outline why BIS should be regarded as a 'memory' monitor which in most circumstances reflects the depth of sedation or anaesthesia in particular patients. Its limitation in paralysed and non-paralysed patients must be understood in order for this monitor to be used safely. Finally, its emerging use in critical care will be explored.
January 2017: Anaesthesia
https://www.readbyqxmd.com/read/28027085/bispectral-index-can-reliably-detect-deep-sedation-in-mechanically-ventilated-patients-a-prospective-multicenter-validation-study
#8
Zhu-Heng Wang, Han Chen, Yan-Lin Yang, Zhong-Hua Shi, Qing-Hua Guo, Yu-Wei Li, Li-Ping Sun, Wei Qiao, Guan-Hua Zhou, Rong-Guo Yu, Kai Yin, Xuan He, Ming Xu, Laurent J Brochard, Jian-Xin Zhou
BACKGROUND: Excessively deep sedation is prevalent in mechanically ventilated patients and often considered suboptimal. We hypothesized that the bispectral index (BIS), a quantified electroencephalogram instrument, would accurately detect deep levels of sedation. METHODS: We prospectively enrolled 90 critically ill mechanically ventilated patients who were receiving sedation. The BIS was monitored for 24 hours and compared with the Richmond Agitation Sedation Scale (RASS) evaluated every 4 hours...
December 22, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28017174/benefit-of-general-anesthesia-monitored-by-bispectral-index-compared-with-monitoring-guided-only-by-clinical-parameters-systematic-review-and-meta-analysis
#9
Carlos Rogério Degrandi Oliveira, Wanderley Marques Bernardo, Victor Moisés Nunes
BACKGROUND: The bispectral index parameter is used to guide the titration of general anesthesia; however, many studies have shown conflicting results regarding the benefits of bispectral index monitoring. The objective of this systematic review with meta-analysis is to evaluate the clinical impact of monitoring with the bispectral index parameter. METHODS: The search for evidence in scientific information sources was conducted during December 2013 to January 2015, the following primary databases: Medline/PubMed, LILACS, Cochrane, CINAHL, Ovid, SCOPUS and TESES...
January 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/28004334/noninvasive-neuromonitoring-current-utility-in-subarachnoid-hemorrhage-traumatic-brain-injury-and-stroke
#10
Luisa Vinciguerra, Julian Bösel
Noninvasive neuromonitoring is increasingly being used to monitor the course of primary brain injury and limit secondary brain damage of patients in the neurocritical care unit. Proposed advantages over invasive neuromonitoring methods include a lower risk of infection and bleeding, no need for surgical installation, mobility and portability of some devices, and safety. The question, however, is whether noninvasive neuromonitoring is practical and trustworthy enough already. We searched the recent literature and reviewed English-language studies on noninvasive neuromonitoring in subarachnoid hemorrhage, traumatic brain injury, and ischemic and hemorrhagic stroke between the years 2010 and 2015...
December 21, 2016: Neurocritical Care
https://www.readbyqxmd.com/read/28000305/parotidectomy-under-sedation-and-locoregional-anesthesia-with-monitoring-of-brain-activity
#11
Marco Antonio Scirea Tesseroli, Fabricio Battistela Zasso, Humberto Hepp, Antonio Vitor Martins Priante, André Luiz Loureiro de Mattos Filho, Alvaro Sanabria
BACKGROUND: Parotidectomy is usually performed while the patient is under general anesthesia, however, sedation with locoregional anesthesia could be an alternative. METHODS: Fifteen adult patients with parotid tumors of the superficial lobe were included in this study. Anesthetic procedure consisted of sedation associated with cervical plexus and auriculotemporal nerve block. Sedation was managed based on the bispectral index. RESULTS: Superficial parotidectomies were performed in 13 patients, and combined partial resections were performed in 2 patients...
December 21, 2016: Head & Neck
https://www.readbyqxmd.com/read/27995430/eeg-artifacts-reduction-by-multivariate-empirical-mode-decomposition-and-multiscale-entropy-for-monitoring-depth-of-anaesthesia-during-surgery
#12
Quan Liu, Yi-Feng Chen, Shou-Zen Fan, Maysam F Abbod, Jiann-Shing Shieh
Electroencephalography (EEG) has been widely utilized to measure the depth of anaesthesia (DOA) during operation. However, the EEG signals are usually contaminated by artifacts which have a consequence on the measured DOA accuracy. In this study, an effective and useful filtering algorithm based on multivariate empirical mode decomposition and multiscale entropy (MSE) is proposed to measure DOA. Mean entropy of MSE is used as an index to find artifacts-free intrinsic mode functions. The effect of different levels of artifacts on the performances of the proposed filtering is analysed using simulated data...
December 19, 2016: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/27973936/recovery-profile-and-patient-satisfaction-after-ambulatory-anesthesia-for-dental-treatment-a-crossover-comparison-between-propofol-and-sevoflurane
#13
Keita Ohkushi, Ken-Ichi Fukuda, Yoshihiko Koukita, Yuzuru Kaneko, Tatsuya Ichinohe
The purpose of this study was to determine which anesthetic was preferable for ambulatory anesthesia: propofol alone or sevoflurane alone. A crossover study was performed to compare the recovery profile and patient satisfaction after 2 anesthesia methods. Twenty healthy patients with severe anxiety toward dental treatment undergoing 2 sessions of day-case dental treatment received either propofol or sevoflurane anesthesia. The order of these methods was randomized. The depths of anesthesia were kept constant using bispectral index (BIS) monitoring...
2016: Anesthesia Progress
https://www.readbyqxmd.com/read/27898550/severe-intraoperative-shock-related-to-mesenteric-traction-syndrome
#14
Alfredo Haack Couto, Hugo Siqueira, Pablo Pulcheira Brasileiro, Ismar Lima Cavalcanti, Rogério Luiz da Rocha Videira
Mesenteric traction syndrome is defined as arterial hypotension, facial flushing, and tachycardia related to mesenteric traction. We describe a case of mesenteric traction syndrome refractory to catecholamine and vasopressin infusions. The patient, who had Crohn disease, developed severe distributive shock after mesenteric traction while undergoing resection of an intestinal inflammatory mass, accompanied by facial flushing and unaltered readings for pulse oximetry, capnography, and bispectral index monitoring...
November 28, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/27871631/-benefit-of-general-anesthesia-monitored-by-bispectral-index-compared-with-monitoring-guided-only-by-clinical-parameters-systematic-review-and-meta-analysis
#15
Carlos Rogério Degrandi Oliveira, Wanderley Marques Bernardo, Victor Moisés Nunes
BACKGROUND: The bispectral index parameter is used to guide the titration of general anesthesia; however, many studies have shown conflicting results regarding the benefits of bispectral index monitoring. The objective of this systematic review with meta-analysis is to evaluate the clinical impact of monitoring with the bispectral index parameter. METHODS: The search for evidence in scientific information sources was conducted during December 2013 to January 2015, the following primary databases: Medline/PubMed, LILACS, Cochrane, CINAHL, Ovid, SCOPUS and TESES...
January 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/27850900/1264-sedation-agitation-scale-and-bispectral-index-to-monitor-sedation-depth-in-mechanically-ventilated
#16
Xiaofeng Ou, Yusi Hua, Wei Zhang, Ruiqiang Zheng, Hua Lin
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27843781/comparison-of-bispectral-index-monitoring-with-the-critical-care-pain-observation-tool-in-the-pain-assessment-of-intubated-adult-patients-after-cardiac-surgery
#17
Zahra Faritous, Arvin Barzanji, Rasoul Azarfarin, Behshid Ghadrdoost, Mohsen Ziyaeifard, Nahid Aghdaei, Mostafa Alavi
BACKGROUND: Detecting pain is crucial in sedated and mechanically ventilated patients, as they are unable to communicate verbally. OBJECTIVES: This study aimed to compare Bispectral index (BIS) monitoring with the Critical-care pain observation tool (CPOT) and vital signs for pain assessment during painful procedures in intubated adult patients after cardiac surgery. MATERIALS AND METHODS: Seventy consecutive patients who underwent cardiac surgery (coronary artery bypass graft or valvular surgery) were enrolled in the study...
August 2016: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/27823709/the-utility-of-perioperative-polygraphy-in-the-diagnosis-of-obstructive-sleep-apnea
#18
Ivan Cundrle, Milos Belehrad, Milan Jelinek, Lyle J Olson, Ondrej Ludka, Vladimir Sramek
OBJECTIVE/BACKGROUND: Obstructive sleep apnea (OSA) is highly prevalent and often undiagnosed in surgical patients. The aim of this study was to compare polygraphy (PG) performed on sedated patients during surgery to overnight polysomnography (PSG). It was hypothesized that perioperative PG may be used to diagnose OSA. PATIENTS/METHODS: Overnight PSG was performed three days prior to surgery. For surgery, spinal anesthesia and sedation with propofol infusion were used...
September 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27790356/moderate-hypothermia-and-its-effects-in-reducing-the-applied-dose-of-anesthetics-for-patients-with-opium-dependence-in-cardiac-surgery-a-randomized-controlled-trial
#19
Reza Jalaian Taghadomi, Ebrahim Golmakani, Kambiz Alizadeh, Behrooz Mottahedi, Ali Rahdari, Shima Sheybani
BACKGROUND: An increasing number of patients addicted to opium are experiencing awareness during coronary artery bypass surgery (CABG) as a result of tolerance to anesthetics. OBJECTIVES: This research was primarily intended to determine the potential diminishing effects of moderate hypothermia on anesthetic dosage and recall of anesthesia during the procedure. METHODS: In this double-blind randomized controlled trial, a total of 80 CABG candidates with known addiction to opium were divided into two groups: one normothermic (N) and the other moderately hypothermic (H), both undergoing induction as well as close monitoring from September 2014 to January 2016...
September 2016: Electronic Physician
https://www.readbyqxmd.com/read/27761039/a-survey-on-the-use-of-low-flow-anaesthesia-and-the-choice-of-inhalational-anaesthetic-agents-among-anaesthesiologists-of-india
#20
Rajasree Omanakutty Amma, Subha Ravindran, Rachel Cherian Koshy, K M Jagathnath Krishna
BACKGROUND AND AIMS: With the availability of modern workstations and heightened awareness on the environmental effects of waste anaesthesia gases, anaesthesiologists worldwide are practicing low flow anaesthesia (LFA). Although LFA is being practiced in India, hard evidence on the current practice of the same from anaesthesiologists practicing in India is lacking and hence, we conducted this survey. METHODS: A questionnaire containing 16 questions was distributed among a subgroup of anaesthesiologists who attended the 2014 National Conference of Indian Society of Anaesthesiologists...
October 2016: Indian Journal of Anaesthesia
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