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Depth of anesthesia monitoring

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https://www.readbyqxmd.com/read/29341401/the-prediction-probabilities-for-emergence-from-sevoflurane-anesthesia-in-children-a-comparison-of-the-perfusion-index-and-the-bispectral-index
#1
Pei-Pei Liu, Chi Wu, Jun-Zheng Wu, Ma-Zhong Zhang, Ji-Jian Zheng, Yang Shen, Pan He, Ying Sun
BACKGROUND: Predicting recovery of consciousness is one of the most essential functions of anesthesia depth monitors in anesthesia practice. Perfusion index and bispectral index are 2 indicators of the anesthesia depth monitoring with different working principles. The progression of the anesthesia emergence stages reflected by those monitors has not been well understood, especially in pediatric patients. The goals of this study were to compare the prediction probabilities of perfusion index and bispectral index in predicting awakening and in differentiating the different levels of arousal during emergence after sevoflurane anesthesia in children undergoing open inguinal hernia repairs...
January 17, 2018: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29325953/physical-risk-factors-of-hemorrhagic-complications-associated-with-angio-seal-closure-device-use-in-neurointerventional-procedures
#2
Yasuhiro Aida, Kouichi Misaki, Tomoya Kamide, Masanao Mohri, Naoyuki Uchiyama, Mitsutoshi Nakada
BACKGROUND: Few studies have demonstrated detailed physical risk factors of hemorrhagic complications (HC) associated with the Angio-Seal closure device. This retrospective study aimed to identify the risk factors of HC due to Angio-Seal use. METHODS: Data from 143 cases that underwent neurointerventional procedures that involved puncturing the femoral artery and that used an Angio-Seal to close the puncture site were reviewed. We divided these cases into HC and no HC groups and retrospectively compared age, sex, past medical and preference history, body mass index (BMI), femoral artery depth, dual antiplatelet therapy use, activated clotting time, general anesthesia use, sheath size, right femoral artery puncture, and treatment time...
January 8, 2018: World Neurosurgery
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
#3
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/29310829/-sugammadex-by-ideal-body-weight-versus-20-and-40-corrected-weight-in-bariatric-surgery-double-blind-randomized-clinical-trial
#4
Nádia Maria da Conceição Duarte, Ana Maria Menezes Caetano, Silvio da Silva Caldas Neto, Getúlio Rodrigues de Oliveira Filho, Gustavo de Oliveira Arouca, Josemberg Marins Campos
BACKGROUND AND OBJECTIVES: The weight parameters for use of sugammadex in morbidly obese patients still need to be defined. METHODS: A prospective clinical trial was conducted with sixty participants with body mass index≥40kg·m-2 during bariatric surgery, randomized into three groups: ideal weight (IW), 20% corrected body weight (CW20) and 40% corrected body weight (CW40). All patients received total intravenous anesthesia. Rocuronium was administered at dose of 0...
January 5, 2018: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/29297827/alfaxalone-anesthesia-in-the-bengalese-finch-lonchura-domestica
#5
Kathryn L Perrin, Jesper B Nielsen, Anders F Thomsen, Mads F Bertelsen
The objective of this study was to evaluate the use of alfaxalone in a small passerine species. A dose-response trial was conducted whereby 10, 30, and 50 mg/kg alfaxalone was administered subcutaneously (SC) to 10 Bengalese finches ( Lonchura domestica) in a randomized complete crossover study design. Subsequently, a similar protocol was used to compare 30 mg/kg alfaxalone alone or combined with either 0.7 mg/kg midazolam or 1 mg/kg butorphanol SC. Induction and recovery times were recorded and depth of anesthesia monitored at 5-min intervals throughout each procedure...
December 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29284900/impact-of-preoperative-anxiety-in-patients-on-hemodynamic-changes-and-a-dose-of-anesthetic-during-induction-of-anesthesia
#6
Jasmina Ahmetovic-Djug, Sefik Hasukic, Haris Djug, Begzada Hasukic, Alan Jahic
Objectives: Each surgical patient is preoperatively, intraoperatively and postoperatively exposed to stress. The aim of this study was to determine the existence of preoperative anxiety, and to determine its impact on hemodynamic parameters (blood pressure, heart rate) in patients and dose of anesthetics during induction of anesthesia. Methods: A prospective clinical study conducted at the Department of Anesthesiology and Reanimation and Surgery Clinic of University Clinical Center Tuzla (UCC) in the period May 2012...
October 2017: Medical Archives
https://www.readbyqxmd.com/read/29274102/effect-of-age-on-narcotrend-index-monitoring-during-sevoflurane-anesthesia-in-children-below-2%C3%A2-years-of-age
#7
Nils Dennhardt, Stefanie Arndt, Christiane Beck, Dietmar Boethig, Sebastian Heiderich, Barbara Schultz, Frank Weber, Robert Sümpelmann
BACKGROUND: In older children, different electroencephalogram-based algorithms for measuring depth of anesthesia displayed a similar performance as in adults, but in infants they have not displayed the same reliability so far. According to the individual developmental state, the Narcotrend distinguishes "differentiated" electroencephalograms, which can be classified using the full Narcotrend Index scale, from "undifferentiated" electroencephalograms, which are classified using a scale with fewer stages...
December 23, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29273383/seeg-guided-radiofrequency-thermocoagulation
#8
REVIEW
Pierre Bourdillon, Bertrand Devaux, Anne-Sophie Job-Chapron, Jean Isnard
We propose expert recommendations on the use of SEEG-guided radiofrequency thermocoagulation (RF-TC) based on an exhaustive literature review. This technique consists in performing a RF-TC lesion using a SEEG depth electrode at the end of the recording. It is indicated when conventional surgical resection of the ictal onset zone is not possible. SEEG guided RF-TC can also be considered as a diagnostic tool since an improvement, even limited, has a high positive predictive value concerning the good outcome after surgery...
December 19, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/29232194/persistent-ventricular-bigeminy-during-anesthesia-in-pediatric-patients-a-case-report-of-an-11-year-old-child
#9
Sheetal Dalal, Vikas Chaudhari
An 11-year-old male child with fractures in both bones in his left forearm presented for open reduction and internal fixation. The pre-anesthetic check-up and investigations did not reveal any pre-existing underlying cardio-respiratory disease. The patient had an uneventful peri-operative period during the operation and was comfortable without any anxiety or restlessness. After an uneventful induction and intubation as per routine protocol, the patient received 600 mg of amoxicillin+clavunate intravenously as an antibiotic...
December 12, 2017: Journal of Basic and Clinical Physiology and Pharmacology
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
#10
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
#11
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/29210791/design-and-evaluation-of-a-closed-loop-anesthesia-system-with-robust-control-and-safety-system
#12
Nicholas West, Klaske van Heusden, Matthias Görges, Sonia Brodie, Aryannah Rollinson, Christian L Petersen, Guy A Dumont, J Mark Ansermino, Richard N Merchant
BACKGROUND: Closed-loop control of anesthesia involves continual adjustment of drug infusion rates according to measured clinical effect. The NeuroSENSE monitor provides an electroencephalographic measure of depth of hypnosis (wavelet-based anesthetic value for central nervous system monitoring [WAVCNS]). It has previously been used as feedback for closed-loop control of propofol, in a system designed using robust control engineering principles, which implements features specifically designed to ensure patient safety...
November 22, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29199541/impact-of-temperature-on-the-narcotrend-index-during-hypothermic-cardiopulmonary-bypass-in-children-with-sevoflurane-anesthesia
#13
Nils Dennhardt, Christiane Beck, Dietmar Boethig, Sebastian Heiderich, Alexander Horke, Sebastian Tiedge, Martin Boehne, Robert Sümpelmann
BACKGROUND: During cardiopulmonary bypass (CPB) in children, anesthesia maintained by sevoflurane administered via the oxygenator is increasingly common. Anesthetic uptake and requirement may be influenced by the non-physiological conditions during hypothermic CPB. Narcotrend-processed EEG monitoring may, therefore, be useful to guide the administration of sevoflurane during this phase. OBJECTIVE: The objective of this prospective, clinical, observational study was to assess the correlation between body temperature, Narcotrend Index (NI) and administered sevoflurane in children during CPB...
December 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29184740/can-friedberg-s-triad-solve-persistent-anesthesia-problems-over-medication-pain-management-postoperative-nausea-and-vomiting
#14
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/29151336/efficacy-of-bispectral-index-monitoring-for-prevention-of-anestheticawareness-and-complications-during-oocyte-pick-up-procedure
#15
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/29046769/factors-that-affect-the-onset-of-action-of-non-depolarizing-neuromuscular-blocking-agents
#16
REVIEW
Yong Byum Kim, Tae-Yun Sung, Hong Seuk Yang
Neuromuscular blockade plays an important role in the safe management of patient airways, surgical field improvement, and respiratory care. Rapid-sequence induction of anesthesia is indispensable to emergency surgery and obstetric anesthesia, and its purpose is to obtain a stable airway, adequate depth of anesthesia, and appropriate respiration within a short period of time without causing irritation or damage to the patient. There has been a continued search for new neuromuscular blocking drugs (NMBDs) with a rapid onset of action...
October 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29033729/use-of-rocuronium-and-sugammadex-under-neuromuscular-transmission-monitoring-in-a-patient-with-multiple-sclerosis
#17
Chryssoula Staikou, Martina Rekatsina
Multiple sclerosis (MS) is a potentially disabling disease characterized by demyelinating lesions in the central nervous system. One of the anesthetic challenges encountered in surgical patients with MS is the management of neuromuscular blockade (NMB) and its reversal. We report a case of a 31-year-old female patient suffering from MS, who underwent gynecological surgery under general anesthesia with sevoflurane, fentanyl, and rocuronium which was successfully reversed with sugammadex. Neuromuscular transmission (NMT) monitoring was used to guide the intraoperative doses of rocuronium and also the reversal of NMB by the use of sugammadex to ensure a safe tracheal extubation...
October 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/29027770/bispectral-index-bis-and-non-bis-anesthetic-protocols-on-postoperative-recovery-outcomes-a-systematic-review-and-meta-analysis
#18
Min-Hsien Chiang, Shao-Chun Wu, Shih-Wei Hsu, Jo-Chi Chin
BACKGROUND: The study aimed to compare bispectral index (BIS) and non-BIS anesthetic protocols on postoperative recovery outcomes. METHODS: Medline, PubMed, Cochrane, EMBASE, and Google Scholar databases were searched until January 21, 2016. RESULTS: Twenty-six studies were included with a total of 9537 patients. BIS monitoring was significantly associated with shorter time to eye opening (P=0.001), time to extubation (P<0.001), and time to orientation (P=0...
October 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28989831/intraoperative-awareness-and-recall-a-comparative-study-of-dexmedetomidine-and-propofol-in-cardiac-surgery
#19
Tufail Ahmad, Nadeem A Sheikh, Nihida Akhter, Bashir A Dar, Riyaz Ahmad
Background Awareness during general anesthesia is undesired and unanticipated patient wakefulness during surgery or recall of intraoperative events. Incidence of awareness in patients undergoing cardiac surgery is significantly higher than the overall incidence of 1% during general surgery. Awareness during cardiac surgery can be prevented by a number of methods. One such method is the supplemental, intraoperative use of sedative agents. Propofol, a bisubstituted phenol, is an intravenous general anesthetic that has been shown to reduce the incidence of awareness...
August 5, 2017: Curēus
https://www.readbyqxmd.com/read/28976844/a-clinical-study-on-the-effect-of-injection-sites-on-efficacy-of-anesthesia-and-pulpal-blood-flow-in-carious-teeth
#20
Q H Zheng, Q C Hong, L Zhang, L Ye, D M Huang
This randomized clinical trial evaluated the efficiency of maxillary infiltration anesthesia in carious teeth at two different injection sites and their impact on the laser Doppler recordings of pulpal blood flow (PBF) during a caries excavation procedure. The null hypothesis tested was that there are no differences in the efficiency of anesthesia and PBF reduction between maxillary infiltrations at the two injection sites. One hundred twenty patients were divided into three groups according to the degree of carious lesion of their maxillary left central incisors (moderate caries, deep caries, or no caries)...
October 4, 2017: Operative Dentistry
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