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Bispectral index monitoring

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https://www.readbyqxmd.com/read/29318860/-effect-of-transcutaneous-acupoint-electrical-stimulation-on-hemodynamic-fluctuation-caused-by-loosing-tourniquet-in-elderly-patients-undergoing-knee-joint-replacement
#1
Han-Sheng Liang, Yi Feng
OBJECTIVE: To observe the effect of transcutaneous acupoint electrical stimulation (TAES) on hemodynamic fluctuation caused by loosing tourniquet in the elderly patients undergoing knee joint replacement. METHODS: A total of 60 ASA (America Society Anesthesiologist) I or II elderly patients for elective knee joint replacement surgery were randomly divided into control group (30 cases) and TAES group (30 cases). Patients of both groups were treated by intravenous anesthesia, and monitored with bispectral index (BIS, between 45-60) for anesthesia depth, stroke volume variation (SVV) for fluid management, mean arterial pressure (MAP) and cardiac index (CI) for hemodynamic fluctuation evaluation, and with analgesia nociception index (ANI, between 50-70) for remifentanil dosage adjustment...
December 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29310966/improving-the-anesthetic-process-by-a-fuzzy-rule-based-medical-decision-system
#2
Juan Albino Mendez, Ana Leon, Ayoze Marrero, Jose M Gonzalez-Cava, Jose Antonio Reboso, Jose Ignacio Estevez, José F Gomez-Gonzalez
OBJECTIVE: The main objective of this research is the design and implementation of a new fuzzy logic tool for automatic drug delivery in patients undergoing general anesthesia. The aim is to adjust the drug dose to the real patient needs using heuristic knowledge provided by clinicians. A two-level computer decision system is proposed. The idea is to release the clinician from routine tasks so that he can focus on other variables of the patient. METHODS: The controller uses the Bispectral Index (BIS) to assess the hypnotic state of the patient...
January 5, 2018: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/29284864/effect-of-intravenous-magnesium-sulfate-on-the-minimum-alveolar-concentrations-of-desflurane-using-bispectral-index-monitoring-a-prospective-randomized-double-blind-controlled-study
#3
Mohd Rameez Riaz, Vikram Mahajan, Sadaf Syed, Riyaz Ahmad
Background: Magnesium sulfate has been implicated to influence the minimum alveolar concentration (MAC) of various volatile anesthetics, but its effect on desflurane remains unanswered so far. Aim: To study the effect of perioperative intravenous magnesium sulfate on MAC of desflurane using bispectral index (BIS) monitoring. Settings: Operating room of a tertiary care hospital. Design: A prospective, randomized, controlled, double-blind clinical trial...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29284834/comparison-of-dexmedetomidine-and-midazolam-for-sedation-in-mechanically-ventilated-patients-guided-by-bispectral-index-and-sedation-agitation-scale
#4
Manoj Tripathi, Virendra Kumar, Mahendra B Kalashetty, Deepak Malviya, Prateek Singh Bais, Om Prakash Sanjeev
Background: Mechanical ventilation and sedation are inextricably linked components of critical care that represent, what we do for the patients during their vulnerable course in Intensive Care Unit (ICU). Aims: The aim of this study is to compare the efficacy and safety of midazolam and dexmedetomidine in patients on mechanical ventilator with the help of Bispectral Index (BIS) monitoring and correlation of BIS with Sedation-Agitation Scale (SAS). Settings and Design: Prospective, observational, and comparative study...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29275583/-clinical-application-of-oxycodone-combined-with-dexmedetomidine-in-percutaneous-ultrasound-guided-radiofrequency-ablation-of-hepatocellular-carcinomas
#5
H D Zhou, H F Jiang, Y J Zhu, J Fang
Objective: To explore the effects of oxycodone combined with dexmedetomidine in percutaneous ultrasound-guided radiofrequency ablation of hepatocellular carcinomas. Methods: Sixty patients who underwent percutaneous ultrasound-guided radiofrequency ablation of hepatocellular carcinomas were randomly divided into fentanyl group (group A) and oxycodone group( group B), with 30 patients in each group. Patients in group A were injected with fentanyl (2 μg/kg), and patients in group B were injected with oxycodone (0...
November 28, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29251645/dopamine-d2-receptor-antagonist-droperidol-deepens-sevoflurane-anesthesia
#6
Ryuhei Araki, Kazuko Hayashi, Teiji Sawa
BACKGROUND: Although midbrain dopaminergic pathways are known to contribute to arousal and emergence from anesthesia, few reports exist regarding the anesthetic effects of dopamine D2 receptor antagonism in humans. This study examined the effect of the D2 receptor antagonist droperidol on sevoflurane anesthesia by examining α and slow wave electroencephalogram oscillations. METHODS: Forty-five patients, age 20 to 60 yr, were enrolled. Frontal electroencephalograms were continuously collected for offline analysis via Bispectral Index monitoring...
December 15, 2017: Anesthesiology
https://www.readbyqxmd.com/read/29232379/comparison-of-nalbuphine-and-sufentanil-for-colonoscopy-a-randomized-controlled-trial
#7
Chaoyi Deng, Xiao Wang, Qianmei Zhu, Yanming Kang, Jinlin Yang, Heng Wang
OBJECTIVES: Nalbuphine is as effective as morphine as a perioperative analgesic but has not been compared directly with sufentanil in clinical trials. The aims of this study were to compare the efficacy and safety of nalbuphine with that of sufentanil in patients undergoing colonoscopy and to determine the optimal doses of nalbuphine in this indication. METHODS: Two hundred and forty consecutive eligible patients aged 18-65 years with an American Society of Anesthesiologists classification of I-II and scheduled for colonoscopy were randomly allocated to receive sufentanil 0...
2017: PloS One
https://www.readbyqxmd.com/read/29231349/-effect-of-ear-point-embedding-on-plasma-and-effect-site-concentrations-of-propofol-remifentanil-in-elderly-patients-after-target-controlled-induction
#8
Xiaochun Zheng, Liling Wan, Fei Gao, Jianghu Chen, Wenshao Tu
OBJECTIVE: To observe the clinical effect of ear point embedding on plasma and effect site concentrations of propofol-remifentanil in elderly patients who underwent abdominal external hernia surgery at the time of consciousness and pain disappearing by target-controlled infusion (TCI) and bispectral index (BIS). METHODS: Fifty patients who underwent elective abdominal hernia surgery were randomly assigned into an observation group and a control group, 25 cases in each one...
August 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29225156/performance-of-tci-propofol-using-the-schnider-model-for-cardiac-surgery-on-cardiopulmonary-bypass-a-pilot-study
#9
Aaron Kwang Yang Lee, Aaron Yik Hang Kong, Chee Fai Kong
OBJECTIVE: This pilot study aimed to evaluate the performance of target-controlled infusion (TCI) of propofol using the Schnider pharmacokinetic model in patients undergoing cardiac surgery requiring cardiopulmonary bypass. DESIGN: This was a prospective pharmacokinetic study. SETTING: A tertiary care hospital. PARTICIPANTS: This study is comprised of 10 patients, aged between 46 and 81, who underwent elective cardiac surgery requiring the use of cardiopulmonary bypass...
October 4, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29224301/-application-of-bispectral-index-monitoring-in-sedation-and-analgesia-for-flexible-bronchoscopy
#10
S R Fang, Y J Liu, N J Su, Y Shu, W Gu
Objective: To investigate the feasibility of using bispectral index monitoring in sedation and analgesia for bronchoscopy. Methods: Totally 285 patients admitted to the Respiratory Medicine Department of Nanjing First Hospital for bronchoscopy between June 2016 and December 2016 were assigned, according to their own wishes, into a conscious sedation group (171 cases receiving local anesthesia and conscious sedation, 89 males, 82 females, mean age 59±10 years) and a control group (114 cases undergoing local anesthesia, 59 males, 55 females, average age 61±12 years)...
December 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29201800/effect-of-different-sedation-regimes-on-cognitive-functions-in-colonoscopy
#11
Perihan Ekmekçi, Gulbanu Erkan, Hakan Yilmaz, Baturay K Kazbek, Ulku C Köksoy, Güler Doganay, Doganay Filiz Tüzüner
Aim: To compare the effects of propofol/remifentanil and meperidine/midazolam on postprocedure cognitive function. Materials and methods: A total of 100 American Society of Anesthesiologists (ASA) score I to III patients undergoing elective colonoscopy were taken into the study and divided into two groups. Exclusion criteria were patient refusal, mini mental test (MMT) <26, The Amsterdam Preoperative Anxiety and Information Scale (APAIS) >10, advanced cardiopulmonary or psychiatric disease, chronic alcohol abuse, morbid obesity, and known allergy to study drugs...
July 2017: Euroasian journal of hepato-gastroenterology
https://www.readbyqxmd.com/read/29196250/the-influence-of-sedation-level-guided-by-bispectral-index-on-therapeutic-effects-for-severe-traumatic-brain-injury-patients
#12
Kaixuan Yan, Lujun Pang, Heng Gao, Hengzhu Zhang, Yong Zhen, Shiyan Ruan, Wei Wu, Weidong Xu, Kai Gong, Xinmin Zhou, Hanrong Na
BACKGROUND: Sedation therapy is vital for treating severe traumatic brain injury(TBI). Yet types of sedation assessment tools and sedation levels that are suitable for sedation treatment have not been investigated. OBJECTIVE: To investigate the influence of different sedation levels guided by the bispectral index (BIS) on the therapeutic effects for severe TBI. METHODS: According to inclusion, exclusion and rejection criteria, 35 patients were prospectively included and divided into Richmond Agitation Sedation Scale(RASS), BIS(I) and BIS(II) groups...
November 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29184740/can-friedberg-s-triad-solve-persistent-anesthesia-problems-over-medication-pain-management-postoperative-nausea-and-vomiting
#13
Barry L Friedberg
Friedberg's Triad is (1) measure the brain; (2) preempt the pain; (3) emetic drugs abstain. Persistent anesthesia problems include over- and under-medication, postoperative pain management, and postoperative nausea and vomiting. Inspired by Vinnik's diazepam-ketamine paradigm, Friedberg's propofol ketamine paradigm was first published in 1993. The 1997 addition of the bispectral (BIS) index brain monitor made the propofol ketamine paradigm numerically reproducible. The 1998 addition of the frontalis electromyogram (EMG) as a secondary trend to the BIS transformed the time-delayed BIS monitor into a real-time, extremely useful device...
October 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29158992/hrv-derived-data-similarity-and-distribution-index-based-on-ensemble-neural-network-for-measuring-depth-of-anaesthesia
#14
Quan Liu, Li Ma, Ren-Chun Chiu, Shou-Zen Fan, Maysam F Abbod, Jiann-Shing Shieh
Evaluation of depth of anaesthesia (DoA) is critical in clinical surgery. Indices derived from electroencephalogram (EEG) are currently widely used to quantify DoA. However, there are known to be inaccurate under certain conditions; therefore, experienced anaesthesiologists rely on the monitoring of vital signs such as body temperature, pulse rate, respiration rate, and blood pressure to control the procedure. Because of the lack of an ideal approach for quantifying level of consciousness, studies have been conducted to develop improved methods of measuring DoA...
2017: PeerJ
https://www.readbyqxmd.com/read/29153301/does-neurofunction-monitoring-enhance-nursing-confidence-and-comfort
#15
Holly Ware, Sonja E Stutzman, Lori McGarry, Jenna Bland, DaiWai M Olson
Despite advances in the science of sedation and pain assessment, few studies have examined the impact of various assessment tools on nursing confidence. This study examines how bispextral index monitoring impacts nursing confidence in the assessment and comfort in medication administration based on that assessment. In this prospective observational Quality Improvement project, nurses using bispectral index (BIS) and the Richmond Agitation Sedation Scale (RASS) were randomly selected to complete a self-assessment survey intended to measure their personal confidence and comfort regarding care they were providing for a specific patient on the day the survey was completed...
November 15, 2017: Pain Management Nursing: Official Journal of the American Society of Pain Management Nurses
https://www.readbyqxmd.com/read/29151336/efficacy-of-bispectral-index-monitoring-for-prevention-of-anestheticawareness-and-complications-during-oocyte-pick-up-procedure
#16
Aykut Urfalıoğlu, Mahmut Arslan, Murat Bakacak, Hafize Öksüz, Ömer Faruk Boran, Gözen Öksüz
Background/aim: This study was planned by considering that the use of bispectral index (BIS) monitoring ensures sufficient depth of anesthesia and avoids anesthetic awareness and patient movement in the oocyte pick-up (OPU) procedure.Materials and methods: Ninety-eight patients undergoing OPU were randomly divided into 2 groups as the control group (n = 48) and BIS group (n = 50). After propofol and remifentanil induction, the control group was given additional propofol according to reaction response, while the BIS group was given propofol at BIS values of 60 and above with the aim that BIS values be 40?60...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29142185/anesthesia-procedure-for-congenital-insensitivity-to-pain-in-a-child-with-anhidrosis-syndrome-a-rare-case
#17
Aykut Urfalioglu, Mahmut Arslan, Yakup Duman, Gökce Gisi, Gözen Oksuz, Hüseyin Yildiz, Hafize Oksuz, Ayşe Balaban
Congenital insensitivity to pain with anhidrosis (CIPA) syndrome is a neuropathy characterized by insensitivity to pain, impaired thermoregulation, anhidrosis, and mental retardation. A 9-year old boy with CIPA syndrome, underwent 2 operations for a calcaneal ulcer. During the first operation standard monitorization was performed. In the second operation, Bispectral Index (BIS) monitoring was added and temperature was monitored with an esophageal probe. In the first operation, in which anesthesia induction was applied with ketamine and midazolam, extremity movements with surgical stimuli were seen...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/29123886/sudden-cerebral-depression-detected-by-bispectral-index-monitoring-in-cryptococcal-meningitis-with-elevated-near-fatal-cerebrospinal-fluid-pressure
#18
Hironori Matsumoto, Suguru Annen, Kensuke Umakoshi, Jun Takeba, Satoshi Kikuchi, Yuki Nakabayashi, Naoki Moriyama, Muneaki Ohshita, Mayuki Aibiki
Case: An increase in cerebrospinal fluid pressure (CSFP) is usually prominent in cryptococcal meningitis, which has a high mortality rate, so aggressive management to control CSFP is crucial. In this case, a 40-year-old-man survived cryptococcal meningitis treated with continuous spinal drainage under bispectral index (BIS) monitoring. He unexpectedly showed hypertension, went into a coma, and even loss his light reflexes due to CSFP elevation. His BIS values had abruptly dropped before developing these symptoms, but dramatically recovered after lumbar puncture drainage, suggesting that BIS monitoring could reflect cerebral function changes due to CSFP alternations...
July 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29045997/the-influence-of-bis-monitoring-on-sedative-dose-in-pediatric-patients-undergoing-open-muscle-biopsies-a-randomized-controlled-trial
#19
Eva Tschiedel, Oliver Müller, Adela Della Marina, Ursula Felderhoff-Müser, Christian Dohna-Schwake
Background The use of Propofol and Remifentanil for analgosedation in children is common and safe. For sedation monitoring clinical scores as Comfort Score (CS) as well as bispectral index (BIS) are frequently applied. The impact of BIS for sedation monitoring in pediatric patients is still under debate. This prospective study aims to investigate whether dual sedation monitoring of CS and BIS compared with monitoring of CS alone during muscle biopsies in children can reduce sedative doses, reduce awakening time and prevent complications...
October 18, 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/29043600/effects-of-ultrasound-guided-stellate-ganglion-block-on-sleep-and-regional-cerebral-oxygen-saturation-in-patients-undergoing-breast-cancer-surgery-a-randomized-controlled-double-blinded-trial
#20
Feng Jin, Xiao-Qian Li, Wen-Fei Tan, Hong Ma, Bo Fang, A-Yong Tian, Huang-Wei Lu
Numerous factors could contribute to sleep disturbances in women with breast cancer. We hypothesized that stellate ganglion block (SGB) during surgery would preserve sleep after surgery and increase intraoperative regional cerebral oxygen saturation (rSO2) on the blocked side in patients undergoing breast cancer surgery. A randomized, double-blinded, controlled trial was conducted at the First Hospital of China Medical University from January 2016 to September 2016. Ninety-six patients who underwent radical breast cancer surgery requiring general anaesthesia were randomly assigned to one of two study groups: a control group that received a saline SGB and a block group that received a 0...
October 17, 2017: Journal of Clinical Monitoring and Computing
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