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bis trial

Yan Yin, Hong Xiao, Jirimutuya Han, Weiyi Zhang, Jianguo Cheng, Tao Zhu
BACKGROUND: It has been observed that patients with liver dysfunction need lower dose anesthetic compared patients with normal liver function. The minimum amount of volatile anesthetic to achieve an optimal depth of anesthesia for these patients is still unclear. In this study, Minimum alveolar concentration (MAC) of the sevoflurane was determined using an electric stimulation and the effect of severity of liver dysfunction on the MAC was observed in cirrhotic patients. METHODS: Thirty patients undergoing upper abdominal surgery were divided into the following groups: group N (normal liver function), group A (Child-Pugh grade A) and group B (Child-Pugh grade B-C)...
October 18, 2016: BMC Anesthesiology
Clemente Franco, Alberto Amutio, Luís López-González, Xavier Oriol, Cristina Martínez-Taboada
Objective: The aim of the present study was to analyze the effects of a mindfulness training psycho-educative program on impulsivity and aggression levels in a sample of high school students. Methods: A randomized controlled trial with pre-test-post-test measurements was applied to an experimental group and a control group (waiting list). The Barratt Impulsivity Scale (BIS-11) Patton et al. (1995) and the Aggression Questionnaire (Buss and Perry, 1992) were used. Results: Statistical analyses showed a significant decrease in the levels of impulsivity and aggressiveness in the experimental group compared with the control group...
2016: Frontiers in Psychology
Cedrick Zaouter, Thomas M Hemmerling, Romain Lanchon, Emanuela Valoti, Alain Remy, Sébastien Leuillet, Alexandre Ouattara
BACKGROUND: In this pilot study, we tested a novel automatic anesthesia system for closed-loop administration of IV anesthesia drugs for cardiac surgical procedures with cardiopulmonary bypass. This anesthesia drug delivery robot integrates all 3 components of general anesthesia: hypnosis, analgesia, and muscle relaxation. METHODS: Twenty patients scheduled for elective cardiac surgery with cardiopulmonary bypass were enrolled. Propofol, remifentanil, and rocuronium were administered using closed-loop feedback control...
October 2016: Anesthesia and Analgesia
Purva Khandelwal, Kanti Kumar Gombar, Vanita Ahuja, Satinder Gombar
BACKGROUND AND AIMS: A target bispectral index (BIS) value of 40 is considered adequate for depth of anesthesia, but no consensus exists regarding BIS value for tracheal intubation without neuromuscular blocking drugs. The aim of this randomized, double-blinded study was to compare the total duration from sevoflurane induction to tracheal intubation at a BIS value of 25 or 40. MATERIAL AND METHODS: This study was a prospective, randomized and observer-blinded clinical trial...
July 2016: Journal of Anaesthesiology, Clinical Pharmacology
Chen Huan-Sheng, Chang Yeong-Chang, Hsieh Ming-Hsing, Tseng Fan-Lieh, Lin Chu-Cheng, Wu Tsai-Kun, Chen Hung-Ping, Hung Sze-Hung, Chiu Hsien-Chang, Lee Chia-Chen, Hou Chun-Cheng, Cheng Chun-Ting, Liou Hung-Hsiang, Lin Chun-Ju, Lim Paik-Seong
PURPOSE: Fluid management with body composition monitor based on bioimpedance spectroscopy (BCM-BIS) has been found to be beneficial for dialysis patients. We conducted a study to provide an algorithm for the determination of post-dialysis target weight (PDTW) and to evaluate whether this approach could improve clinical outcomes compared to patients who had PDTW decided clinically. METHODS: Two hundred and ninety-eight dialysis patients participated in this 1-year randomized controlled trial...
November 2016: International Urology and Nephrology
Eva-Lena Zetterlund, Henrik Gréen, Anna Oscarsson, Svante Vikingsson, Magnus Vrethem, Maj-Lis Lindholm, Christina Eintrei
BACKGROUND: Computer-processed algorithms of encephalographic signals are widely used to assess the depth of anaesthesia. However, data indicate that the bispectral index (BIS), a processed electroencephalography monitoring system, may not be reliable for assessing the depth of anaesthesia. OBJECTIVE: The aim of this study was to evaluate the ability of the BIS monitoring system to assess changes in the level of unconsciousness, specifically during the transition from consciousness to unconsciousness, in patients undergoing total intravenous anaesthesia with propofol...
September 7, 2016: European Journal of Anaesthesiology
Thomas Kirkegaard, James Gray, David A Priestman, Kerri-Lee Wallom, Jennifer Atkins, Ole Dines Olsen, Alexander Klein, Svetlana Drndarski, Nikolaj H T Petersen, Linda Ingemann, David A Smith, Lauren Morris, Claus Bornæs, Signe Humle Jørgensen, Ian Williams, Anders Hinsby, Christoph Arenz, David Begley, Marja Jäättelä, Frances M Platt
Lysosomal storage diseases (LSDs) often manifest with severe systemic and central nervous system (CNS) symptoms. The existing treatment options are limited and have no or only modest efficacy against neurological manifestations of disease. We demonstrate that recombinant human heat shock protein 70 (HSP70) improves the binding of several sphingolipid-degrading enzymes to their essential cofactor bis(monoacyl)glycerophosphate in vitro. HSP70 treatment reversed lysosomal pathology in primary fibroblasts from 14 patients with eight different LSDs...
September 7, 2016: Science Translational Medicine
Ji Eun Kwon, Jung Won Lee, Jong Pil Im, Ji Won Kim, Su Hwan Kim, Seong-Joon Koh, Byeong Gwan Kim, Kook Lae Lee, Sang Gyun Kim, Joo Sung Kim, Hyun Chae Jung
BACKGROUND: Two liters of polyethylene glycol (PEG) solution administered with ascorbic acid (Asc) can provide efficacy similar to that of a 4-L PEG solution for colonoscopy preparation. In addition, oral bisacodyl (Bis) has been shown to reduce the volume of PEG needed for a bowel preparation with comparable efficacy. This study aimed to compare the efficacy, tolerability and safety of a 2-L PEG solution mixed with Asc versus the combination of Bis, Asc and a 1-L PEG solution. METHODS: This was a prospective, randomized, multi-centre, single-blind, non-inferiority trial...
2016: PloS One
Amira Elgogary, Qingguo Xu, Brad Poore, Jesse Alt, Sarah C Zimmermann, Liang Zhao, Jie Fu, Baiwei Chen, Shiyu Xia, Yanfei Liu, Marc Neisser, Christopher Nguyen, Ramon Lee, Joshua K Park, Juvenal Reyes, Thomas Hartung, Camilo Rojas, Rana Rais, Takashi Tsukamoto, Gregg L Semenza, Justin Hanes, Barbara S Slusher, Anne Le
Targeting glutamine metabolism via pharmacological inhibition of glutaminase has been translated into clinical trials as a novel cancer therapy, but available drugs lack optimal safety and efficacy. In this study, we used a proprietary emulsification process to encapsulate bis-2-(5-phenylacetamido-1,2,4-thiadiazol-2-yl)ethyl sulfide (BPTES), a selective but relatively insoluble glutaminase inhibitor, in nanoparticles. BPTES nanoparticles demonstrated improved pharmacokinetics and efficacy compared with unencapsulated BPTES...
September 6, 2016: Proceedings of the National Academy of Sciences of the United States of America
Yan Li, Lingzhong Meng, Yuming Peng, Hui Qiao, Lanjun Guo, Ruquan Han, Adrian W Gelb
BACKGROUND: We hypothesized that the addition of dexmedetomidine in a clinically relevant dose to propofol-remifentanil anesthesia regimen does not exert an adverse effect on motor-evoked potentials (MEP) and somatosensory-evoked potentials (SSEP) in adult patients undergoing thoracic spinal cord tumor resection. METHODS: Seventy-one adult patients were randomized into three groups. Propofol group (n = 25): propofol-remifentanil regimenand the dosage was adjusted to maintain the bispectral index (BIS) between 40 and 50...
2016: BMC Anesthesiology
Eun Hee Chun, Myeong Jae Han, Hee Jung Baik, Hahck Soo Park, Rack Kyung Chung, Jong In Han, Hun Jung Lee, Jong Hak Kim
BACKGROUND: Dexmedetomidine as a sole agent showed limited use for painful procedures due to its insufficient sedative/analgesic effect, pronounced hemodynamic instability and prolonged recovery. The aim of this study was to compare the effects of dexmedetomidine-ketamine (DK) versus dexmedetomidine-midazolam-fentanyl (DMF) combination on the quality of sedation/analgesia and recovery profiles for monitored anesthesia care (MAC). METHODS: Fifty six patients undergoing chemoport insertion were randomly assigned to group DK or DMF...
2016: BMC Anesthesiology
Christian Leth Petersen, Matthias Görges, Roslyn Massey, Guy Albert Dumont, J Mark Ansermino
BACKGROUND: Recent research and advances in the automation of anesthesia are driving the need to better understand electroencephalogram (EEG)-based anesthesia end points and to test the performance of anesthesia monitors. This effort is currently limited by the need to collect raw EEG data directly from patients. METHODS: A procedural method to synthesize EEG signals was implemented in a mobile software application. The application is capable of sending the simulated signal to an anesthesia depth of hypnosis monitor...
July 26, 2016: Anesthesia and Analgesia
X-N Zhao, J-H Ran, A R Bajracharya, M-Y Ma
OBJECTIVE: Dexmedetomidine, a highly selective α2-adrenergic receptor agonist with sedative and analgesic properties, is used as an anesthetic adjunct. We determined the effects of different dexmedetomidine doses on the median effective concentration (EC50) of propofol and bispectral index (BIS) values during anesthesia induction. PATIENTS AND METHODS: This randomized, prospective, case-control clinical trial involved 120 patients (56 women; physical status, American Society of Anesthesiologists grades I or II) scheduled to undergo surgery requiring general anesthesia from July 15th, 2014 to June 15th, 2015...
July 2016: European Review for Medical and Pharmacological Sciences
Kuo-Ti Peng, Meng-Yow Hsieh, Carl T Lin, Chin-Fu Chen, Mel S Lee, Yi-You Huang, Pey-Jium Chang
BACKGROUND: Reconstruction of a segmental fracture with massive bone loss is still a challenge for orthopaedic surgeons. The aim of our study was to develop a suitable biodegradable thermosensitive hydrogel system as a carrier for bone morphogenetic protein (BMP)-2 delivery in the treatment of critical-sized femoral defects. METHODS: A block copolymer composed of monomethoxypoly(ethylene glycol) (mPEG), poly(lactic-co-glycolic acid) (PLGA) and 2, 2'-Bis (2-oxazolin) (Box) was synthesized by ring opening polymerization...
2016: BMC Musculoskeletal Disorders
H Ohnesorge, A Alpes, R Baron, J Gierthmühlen
OBJECTIVE: The clinical relevance of pro- and hyperalgesic effects of opioids is still a matter of debate. Particularly for remifentanil, an increased postoperative need for analgesics has been demonstrated suggesting opioid-induced hyperalgesia as a possible cause. The aim of the study was therefore to investigate the effect of intraoperatively applied remifentanil compared to sufentanil on somatosensory thresholds investigated with the quantitative sensory testing (QST) battery of the German Research Network on Neuropathic Pain (DFNS)...
July 8, 2016: Current Medical Research and Opinion
Erdal Kömür, Nurten Bakan, Şenay Göksu Tomruk, Gülşah Karaören, Zelin Topaç Doğan
OBJECTIVE: This prospective randomised study was designed to compare the Laryngeal Mask Airway (LMA) Classic, LMA Fastrach and LMA Supreme regarding ease of insertion and insertion time as primary outcomes and reposition, success rate of trials, effects on haemodynamic parameters, provision of an adequate and safe airway, amount of leakage and oropharyngeal and systemic complications as secondary outcomes. METHODS: In this clinical trial, 90 patients aged 18-70 years of American Society of Anesthesiologists (ASA) group I-II were randomised into three groups as providing airway via LMA Classic, LMA Fastrach or LMA Supreme instead of tracheal intubation...
December 2015: Turkish Journal of Anaesthesiology and Reanimation
Vincent Chouraki, Christiane Reitz, Fleur Maury, Joshua C Bis, Celine Bellenguez, Lei Yu, Johanna Jakobsdottir, Shubhabrata Mukherjee, Hieab H Adams, Seung Hoan Choi, Eric B Larson, Annette Fitzpatrick, Andre G Uitterlinden, Philip L de Jager, Albert Hofman, Vilmundur Gudnason, Badri Vardarajan, Carla Ibrahim-Verbaas, Sven J van der Lee, Oscar Lopez, Jean-François Dartigues, Claudine Berr, Philippe Amouyel, David A Bennett, Cornelia van Duijn, Anita L DeStefano, Lenore J Launer, M Arfan Ikram, Paul K Crane, Jean-Charles Lambert, Richard Mayeux, Sudha Seshadri
Effective prevention of Alzheimer's disease (AD) requires the development of risk prediction tools permitting preclinical intervention. We constructed a genetic risk score (GRS) comprising common genetic variants associated with AD, evaluated its association with incident AD and assessed its capacity to improve risk prediction over traditional models based on age, sex, education, and APOEɛ4. In eight prospective cohorts included in the International Genomics of Alzheimer's Project (IGAP), we derived weighted sum of risk alleles from the 19 top SNPs reported by the IGAP GWAS in participants aged 65 and older without prevalent dementia...
June 18, 2016: Journal of Alzheimer's Disease: JAD
Angélica Saraí Jiménez-Osorio, Adriana Monroy, Silvestre Alavez
Curcumin ((1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione), the main component of the Indian spice turmeric, has been used in traditional medicine to improve diabetes and its comorbidities. Since the last two decades, scientific research has shown that in addition to its antioxidant properties, curcumin could also work as protein homeostasis regulator and it is able to modulate other intracellular pathways. Curcumin supplementation has been proposed to improve insulin resistance (IR) through the activation of the insulin receptor and its downstream pathways in several experimental models, pointing out that its clinical use may be a good and innocuous strategy to improve IR-related diseases...
June 21, 2016: BioFactors
Karen J Derefinko, Tory A Eisenlohr-Moul, Jessica R Peters, Walter Roberts, Erin C Walsh, Richard Milich, Donald R Lynam
BACKGROUND: Physiological responses to reward and extinction are believed to represent the behavioral activation system (BAS) and behavioral inhibition system (BIS) constructs of Reinforcement Sensitivity Theory and underlie externalizing behaviors, including substance use. However, little research has examined these relations directly. METHODS: We assessed individuals' cardiac pre-ejection periods (PEP) and electrodermal responses (EDR) during reward and extinction trials through the "number elimination game" paradigm...
June 1, 2016: Drug and Alcohol Dependence
Ana Gabriela Gallardo-Hernandez, Ana Luisa Hernandez-Perez, German Ordoñez-Espinosa, Antonio Sanchez-Lopez, Cristina Revilla-Monsalve, Sergio Islas-Andrade
The geriatric population shows significant physiological changes due to aging and the multiple co-morbidities that they often present. Conventionally the propofol sedation dose for patients older than 65 years is 80% of the adult dose. We performed an in silico trial for elderly population and the results showed that the necessary simulated dose of propofol was lower than the conventional dose; therefore, a clinical trial was implemented to test three different propofol doses, two of them lower than the conventional dose, during a pacemaker implantation...
August 2016: Computer Methods and Programs in Biomedicine
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