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Bispectral index monitoring

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https://www.readbyqxmd.com/read/28733841/analgosedation-of-adult-patients-with-elevated-intracranial-pressure-survey-of-current-clinical-practice-in-austria
#1
Guenther Herzer, Claudia Mirth, Udo M Illievich, Wolfgang G Voelckel, Helmut Trimmel
BACKGROUND: Analgesia and sedation are key items in intensive care. Recently published S3 guidelines specifically address treatment of patients with elevated intracranial pressure. METHODS: The Austrian Society of Anesthesiology, Resuscitation and Intensive Care Medicine carried out an online survey of neurointensive care units in Austria in order to evaluate the current state of practice in the areas of analgosedation and delirium management in this high-risk patient group...
July 21, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28719431/bispectral-index-measurements-are-not-degraded-during-aeromedical-evacuations
#2
Nicolas Donat, Audrey Cirodde, Clément Hoffmann, Jean-Vivien Schaal, Yannick Masson, Antoine Nau, Paul Vincent Martin, Samuel Madec, Thomas Leclerc
For a decade, depth of anesthesia monitoring has become a reality in the operating room. It provides valuable help for managing anesthesia, especially for unstable patients. This might be particularly relevant during aeromedical evacuation. In this study, we aimed to assess the validity of the bispectral index (BIS) during long-range patient transportation aboard fixed-wing aircraft. BIS was recorded in 30 patients, 25 under anesthesia and 5 awake, during aeromedical evacuations performed by the French Air Force...
July 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28711570/anesthetic-management-of-reversible-cerebral-vasoconstriction-syndrome-a-case-report
#3
Hiroshi Hoshijima, Naoki Itoh, Yoshinori Iwase, Hiroshi Nagasaka
Reversible cerebral vasoconstriction syndrome (RCVS) is a group of disorders characterized by prolonged reversible cerebral vasoconstriction, associated with acute-onset, severe, episodic "thunderclap" headaches with or without other neurologic clinical features. We describe the first reported case, to our knowledge, of a patient with RCVS who was managed under general anesthesia in the field of oral and maxillofacial surgery. A 67-year-old woman with a diagnosis of RCVS made 2 months earlier was scheduled to undergo surgical extraction of the mandibular right third molar...
June 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28682828/criteria-for-intensive-care-admission-and-monitoring-after-elective-craniotomy
#4
Rafael Badenes, Lara Prisco, Armando Maruenda, Fabio S Taccone
PURPOSE OF REVIEW: The current article revises the recent evidence on ICU admission criteria and postoperative neuromonitoring for patients undergoing elective craniotomy. RECENT FINDINGS: Only a small proportion of elective postoperative neurosurgical patients require specific medical interventions and invasive monitoring. Among these, patients undergoing elective craniotomy are frequently admitted to neuro-ICU, specialist postanaesthesia care units or intermediate-level care unit in the postoperative period...
July 5, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28675953/utility-of-nociceptive-flexion-reflex-threshold-and-bispectral-index-to-predict-movement-responses-under-propofol-anaesthesia
#5
Axel Jakuscheit, Matthias J Posch, Stefanos Gkaitatzis, Lisa Neumark, Mark Hackbarth, Martin Schneider, Gregor Lichtner, Jan H Baars, Falk von Dincklage
INTRODUCTION: The nociceptive flexion reflex threshold (NFRT) is a promising tool to monitor analgesia during general anaesthesia. Clinical studies have shown that the NFRT allows to predict movement responses to painful stimuli under a combined anaesthetic regime of sedative and opioid agents. Experimental studies indicated that the NFRT is also able to predict such movement responses under an exclusively sedative regime like propofol mono-anaesthesia. Therefore, we performed this study to investigate the ability of the NFRT to predict movement responses to painful stimuli in patients during a clinical propofol mono-anaesthesia...
June 2017: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/28657350/bispectral-index-as-a-predictor-of-unsalvageable-traumatic-brain-injury
#6
Saeed Mahmood, Ayman El-Menyar, Amr Shabana, Ismail Mahmood, Mohammad Asim, Husham Abdelrahman, Hassan Al-Thani
PRIMARY OBJECTIVE: We aimed to assess the utility of bispectral index (BIS) monitoring to diagnose brain death (BD) in patients with severe traumatic brain injury (TBI). RESEARCH DESIGN AND METHODS: A prospective observational study was conducted for patients with severe TBI between 2012 and 2014. MAIN OUTCOMES AND RESULTS: This study included 62 patients with a mean age of 32.5 ± 10.5 years. Nine patients had BD on admission with a sustainable BIS value of 0...
June 28, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28640168/degree-of-postictal-suppression-depends-on-seizure-induction-time-in-magnetic-seizure-therapy-and-electroconvulsive-therapy
#7
Sarah Kayser, Bettina H Bewernick, Martin Soehle, Christina Switala, Sabrina M Gippert, Nadine Dreimueller, Thomas E Schlaepfer
OBJECTIVES: Anesthesia is required for both magnetic seizure therapy (MST) and electroconvulsive therapy (ECT), although it has anticonvulsant properties. In this case, bispectral index (BIS) monitoring, a specific electroencephalogram-derived monitoring, can be used to find the optimal seizure induction time during anesthesia to elicit adequate seizures. A measurement of seizure adequacy in electroencephalogram is the postictal suppression. The purpose of this study was to investigate the influence of seizure induction time on the degree of postictal suppression by comparing BIS versus no-BIS monitoring in MST and ECT...
June 20, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28630395/cerebral-infarction-by-paradoxical-gas-embolism-during-laparoscopic-liver-resection-with-injury-of-the-hepatic-vessels-in-a-patient-without-a-right-to-left-systemic-shunt
#8
Toshiyasu Kawahara, Masahiro Hagiwara, Hiroyuki Takahashi, Mariko Tanaka, Koji Imai, Jun Sawada, Takayuki Kunisawa, Hiroyuki Furukawa
BACKGROUND Carbon dioxide (CO2) is believed to be the safest gas for laparoscopic surgery, which is a standard procedure. We experienced severe cerebral infarction caused by paradoxical CO2 embolism during laparoscopic liver resection with injury of the hepatic vessels despite the absence of a right-to-left systemic shunt. CASE REPORT A 60-year-old man was diagnosed with hepatocellular carcinoma in the right hepatic lobe secondary to alcoholic liver disease. We planned the laparoscopy-assisted liver resection...
June 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28616347/intraoperative-care-for-aortic-surgery-using-circulatory-arrest
#9
REVIEW
Félix Ezequiel Fernández Suárez, David Fernández Del Valle, Adrián González Alvarez, Blanca Pérez-Lozano
The total circulatory arrest (CA) is necessary to achieve optimal surgical conditions in certain aortic pathologies, especially in those affecting the ascending aorta and aortic arch. During this procedure it is necessary to protect all the organs of ischemia, especially those of the central nervous system and for this purpose several strategies have been developed. The first and most important protective method is systemic hypothermia. The degree of hypothermia and the route of application have been evolving and currently tend to use moderate hypothermia (MH) (20...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28551058/-anesthesia-recovery-comparison-between-remifentanil-propofol-and-remifentanil-desflurane-guided-by-bispectral-index-%C3%A2-monitoring
#10
Raphael Grossi Rocha, Eduardo Giarola Almeida, Lara Moreira Mendes Carneiro, Natália Farias de Almeida, Walkíria Wingester Vilas Boas, Renato Santiago Gomez
BACKGROUND AND OBJECTIVES: There is a strong demand for fast and predictable anesthesia recovery with few side effects. Choice of the hypnotic agent could impact on that. This study investigated the differences between recoveries after remifentanil-propofol and remifentanil-desflurane anesthesias guided by bispectral index (BIS(®)). METHODS: Forty patients were randomly assigned into 2 groups according to the anesthesia technique applied: remifentanil-propofol (REM-PRO) and remifentanil-desflurane (REM-DES)...
May 25, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28543642/bidirectional-superior-cavopulmonary-anastomosis-with-or-without-cardiopulmonary-bypass-a-randomized-study
#11
Sachin Talwar, Anish Gupta, Ashima Nehra, Neeti Makhija, Poonam Malhotra Kapoor, Vishnubhatla Sreenivas, Shiv Kumar Choudhary, Balram Airan
OBJECTIVES: This study aims to compare the bidirectional superior cavopulmonary anastomosis (BDG) with or without cardiopulmonary bypass (CPB). METHODS: 100 patients undergoing BDG were randomized into two groups: Off-CPB or on-CPB groups. All patients underwent near-infrared spectrophotometry (NIRS) and bispectral index (BIS) monitoring and pre- and postoperative serum 100 beta protein measurements (Sβ100) and neuro-cognitive evaluation. Postoperative intensive care unit (ICU) parameters were also studied...
May 21, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28522369/electroencephalographic-monitoring-during-sevoflurane-anaesthesia-in-an-amyotrophic-lateral-sclerosis-patient-with-locked-in-state
#12
Kazuko Hayashi, Ryuhei Araki, Akiko Tanaka
Recently, the cognitive abilities of patients with amyotrophic lateral sclerosis (ALS) have been found to be impaired along with the neurodegeneration of motor neurons. Electroencephalography (EEG) of end-stage ALS patients has reportedly shown specific features based on neuronal network modulations, differing from EEG of other patients with cognitive failure and dementia. However, EEG of end-stage ALS patients during anaesthesia has not yet been reported. A 64-year-old male ALS patient with locked-in state (LIS), supported by tracheostomy positive-pressure ventilation (TPPV) and enteral nourishment for 9years, underwent scheduled general anaesthesia for repair of a fractured mandible...
May 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28514284/comparison-in-anesthetic-effects-of-propofol-among-patients-with-different-abo-blood-groups
#13
COMPARATIVE STUDY
Yiri Du, Haixia Shi, Jianshe Yu
Our study was aimed to investigate anesthetic effects of propofol in patients with different blood groups.A total of 72 participants were enrolled from patients arranged for surgeries of cholecystectomy, tonsillectomy, and spinal operation. Each blood group (A, B, AB, and O) contained 18 participants. Mean arterial pressure (MAP), heart rate (HR), and bispectral index (BIS) were assayed with Philips monitor. These indexes were observed before propofol anesthesia (T0), and then were recorded when concentration of propofol was 1 μg/mL (T1), 2 μg/mL (T2), 3 μg/mL (T3), and 4 μg/mL (T4)...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28489614/validation-of-innovative-techniques-for-monitoring-nociception-during-general-anesthesia-a-clinical-study-using-tetanic-and-intracutaneous-electrical-stimulation
#14
Sandra Funcke, Sven Sauerlaender, Hans O Pinnschmidt, Bernd Saugel, Kai Bremer, Daniel A Reuter, Rainer Nitzschke
BACKGROUND: This study compares the analgesic indices Analgesia Nociception Index (heart rate variability), Surgical Pleth Index (photoplethysmography), and pupillary dilatation, to heart rate, mean arterial pressure, and bispectral index, with regard to diagnostic accuracy and prediction probability for nociceptive response. The primary endpoint was the correlation between Δ values and the remifentanil dose administered. METHODS: We anesthetized 38 patients with propofol and increasing doses of remifentanil and applied standardized tetanic and intracutaneous electrical painful stimulations on each analgesic level...
August 2017: Anesthesiology
https://www.readbyqxmd.com/read/28462732/anaesthesia-for-electroconvulsive-therapy-new-tricks-for-old-drugs-a-systematic-review
#15
Tobias Kvist Stripp, Martin Balslev Jorgensen, Niels Vidiendal Olsen
OBJECTIVE: The objective of this review is to investigate existing literature in order to delineate whether the use of anaesthesia and timing of seizure induction in a new and optimised way may improve the efficacy of electroconvulsive therapy (ECT). METHODS: PubMed/MEDLINE was searched for existing literature, last search on 24 June 2015. Relevant clinical studies on human subjects involving choice of anaesthetic, ventilation and bispectral index (BIS) monitoring in the ECT setting were considered...
May 2, 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28459733/a-phase-1-single-center-double-blind-placebo-controlled-study-in-healthy-subjects-to-assess-the-safety-tolerability-clinical-effects-and-pharmacokinetics-pharmacodynamics-of-intravenous-cyclopropyl-methoxycarbonylmetomidate-abp-700-after-a-single-ascending
#16
Michel M R F Struys, Beatrijs I Valk, Douglas J Eleveld, Anthony R Absalom, Peter Meyer, Sascha Meier, Izaak den Daas, Thomas Chou, Kai van Amsterdam, Jason A Campagna, Steven P Sweeney
BACKGROUND: Cyclopropyl-methoxycarbonylmetomidate (ABP-700) is a new "soft" etomidate analog. The primary objectives of this first-in-human study were to describe the safety and efficacy of ABP-700 and to determine its maximum tolerated dose. Secondary objectives were to characterize the pharmacokinetics of ABP-700 and its primary metabolite (cyclopropyl-methoxycarbonyl acid), to assess the clinical effects of ABP-700, and to investigate the dose-response and pharmacokinetic/pharmacodynamic relationships...
July 2017: Anesthesiology
https://www.readbyqxmd.com/read/28456907/bispectral-index-monitoring-in-cancer-patients-undergoing-palliative-sedation-a-preliminary-report
#17
Edith Monreal-Carrillo, Silvia Allende-Pérez, David Hui, Maria-Fernanda García-Salamanca, Eduardo Bruera, Emma Verástegui
INTRODUCTION: Continuous palliative sedation (PS) is currently titrated based on clinical observation; however, it is often unclear if patients are still aware of their suffering. The aim of this prospective study is to characterize the level of consciousness in patients undergoing PS using Bispectral Index (BIS) monitoring. PATIENTS AND METHODS: We enrolled consecutive patients with refractory symptoms requiring PS. We documented the level of sedation using Ramsay Sedation Scale (RSS) and BIS at 0, 2, 4, 6, 12, and 24 h during the first day of PS and examined their degree of association...
April 29, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28391200/quasi-periodicities-detection-using-phase-rectified-signal-averaging-in-eeg-signals-as-a-depth-of-anesthesia-monitor
#18
Quan Liu, Yi-Feng Chen, Shou-Zen Fan, Maysam Abbod, Jiann-Shing Shieh
Phase-rectified signal averaging (PRSA) has been known to be a useful method to detect periodicities in non-stationary biological signals. Determination of quasi-periodicities in electroencephalogram (EEG) is a candidate for quantifying the changes of depth of anesthesia (DOA). In this paper, DOA monitoring capacity of periodicities detected using PRSA was quantified by assessing EEG signals collected from 56 patients during surgery. The method is compared to sample entropy (SampEn), detrended fluctuation analysis (DFA) and permutation entropy (PE)...
April 3, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28362426/bispectral-index-monitoring-in-vitrectomy-surgery-under-local-anaesthetic-block-with-sedation-a-single-surgeon-single-anaesthetist-review
#19
A J Porter, L Lee, C Bradshaw
No abstract text is available yet for this article.
July 2017: Eye
https://www.readbyqxmd.com/read/28298244/frailty-related-to-anesthesia-guided-by-the-index-bispectral-frail-study-study-protocol-for-a-randomized-controlled-trial
#20
Morgan Le Guen, Marie Herr, Antoine Bizard, Caroline Bichon, Nathalie Boichut, Thierry Chazot, Ngai Liu, Joel Ankri, Marc Fischler
BACKGROUND: Currently, patients older than 60 years of age represent 25% of the population and are at an increased risk during surgery. Therefore, reducing postoperative morbidity and mortality is a major concern in medical research and practice. Dependence on caregivers and cognitive impairment represent two major risk factors in the elderly, especially in frail patients after surgery under general anesthesia. In this context, continuous monitoring of the depth of anesthesia using a bispectral index (BIS) sensor may reduce the occurrence of impairments by gaining better control of the anesthetic depth...
March 16, 2017: Trials
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