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https://www.readbyqxmd.com/read/29756750/validation-of-the-pmd100tm-and-its-noltm-index-to-detect-nociception-at-different-infusion-regimen-of-remifentanil-in-patients-under-general-anaesthesia
#1
Pierre-André Stöckle, Marco Julien, Rami Issa, Elizabeth Décary, Véronique Brulotte, Pierre Drolet, Margaret Henri, Madeleine Poirier, Jean-François Latulippe, Marc Dorais, Olivier Verdonck, Louis-Philippe Fortier, Philippe Richebé
BACKGROUND: The NOL index is based on multiparametric analysis of heart rate (HR), skin conductance, wave plethysmography, and their time derivative. Our objective was to evaluate the NOL to detect standardized nociceptive stimuli with various remifentanil dosages under general anaesthesia. METHODS: A prospective, observational study at a single center (NCT02602379) included 40 ASA I to III patients undergoing laparotomy under remifentanil-desflurane anaesthesia with epidural analgesia...
May 14, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29744247/hypobaric-unilateral-spinal-anaesthesia-versus-general-anaesthesia-in-elderly-patients-undergoing-hip-fracture-surgical-repair-a-prospective-randomised-open-trial
#2
Pascal Meuret, Lionel Bouvet, Benoit Villet, Mohamed Hafez, Bernard Allaouchiche, Emmanuel Boselli
Objective: Intraoperative hypotension during hip fracture surgery is frequent in the elderly. No study has compared the haemodynamic effect of hypobaric unilateral spinal anaesthesia (HUSA) and standardised general anaesthesia (GA) in elderly patients undergoing hip fracture surgical repair. Methods: We performed a prospective, randomised open study, including 40 patients aged over 75 years, comparing the haemodynamic effects of HUSA (5 mg isobaric bupivacaine with 5 μg sufentanil and 1 mL sterile water) and GA (induction with etomidate/remifentanil and maintenance with desflurane/remifentanil)...
April 2018: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/29739183/comparison-between-cerebral-state-index-and-bispectral-index-during-desflurane-anesthesia
#3
Sang-Hyeon Cho, Sung-Su Kim, Dong-Min Hyun, Hyeong-Suk Yoon, JungWoo Han, Jin Sun Kim
Background: Cerebral state index (CSI) is an anesthesia depth monitor alternative to bispectral index (BIS). Published comparative studies have used propofol or sevoflurane. However, studies using desflurane have not been reported yet. Different volatile anesthetics have different EEG signatures. The performance of CSI may be different in desflurane anesthesia. Therefore, the objective of this study was to compare CSI and BIS during desflurane anesthesia. Methods: Thirty-three patients were recruited...
May 9, 2018: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29688787/comparison-of-desflurane-and-propofol-at-equipotent-doses-in-combination-with-a-constant-rate-infusion-of-dexmedetomidine-on-global-and-peripheral-perfusion-and-oxygenation-in-horses
#4
Stephan Neudeck, Sabine B R Kästner, Liza Wittenberg-Voges, Karl Rohn, Klaus Hopster
OBJECTIVE To determine global and peripheral perfusion and oxygenation during anesthesia with equipotent doses of desflurane and propofol combined with a constant rate infusion of dexmedetomidine in horses. ANIMALS 6 warmblood horses. PROCEDURES Horses were premedicated with dexmedetomidine (3.5 μg•kg-1 , IV). Anesthesia was induced with propofol or ketamine and maintained with desflurane or propofol (complete crossover design) combined with a constant rate infusion of dexmedetomidine (7 μg•kg-1 •h-1 )...
May 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29670906/desflurane-attenuates-ventilator-induced-lung-injury-in-rats-with-acute-respiratory-distress-syndrome
#5
Xue Lin, Ying-Nan Ju, Wei Gao, Dong-Mei Li, Chang-Chun Guo
Ventilator-induced lung injury aggravates the existing lung injury. This study investigated the effect of desflurane on VILI in a rat model of acute respiratory distress syndrome. Forty-eight rats were randomized into a sham (S) group, control (C) group, lipopolysaccharide/ventilation (LV) group, lipopolysaccharide/ventilation/desflurane (LVD) group, or lipopolysaccharide/low ventilation with and without desflurane (LLV and LLVD) groups. Rats in the S group received anesthesia only. Rats in the LV and LVD groups received lipopolysaccharide and were ventilated with a high tidal volume...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29628594/an-unusual-case-of-a-parturient-with-uncorrected-pentalogy-of-fallot-presenting-for-elective-cesarean-section-delivery-of-twins
#6
Ying Ci Ho, Sek Koon Boey, Abey Matthew Varughese Mathews, Hooi Geok See, Nian Chih Hwang
We present a 31-year-old primigravida with uncorrected pentalogy of Fallot, pregnant with monochorionic-diamniotic twins, undergoing elective lower segment cesarean section at 36 weeks gestation. Preoperative workup included a transthoracic echocardiogram which revealed a large ventricular septal defect of 1.8 cm with bidirectional shunting, a moderate size atrial septal defect of 1.8 cm with predominant left-to-right shunting, an overriding aorta, moderate right ventricular hypertrophy, and severe pulmonary valve stenosis...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29627444/inhalational-anesthetics-accelerate-desensitization-of-acid-sensing-ion-channels
#7
Linda Lehmke, Mark Coburn, Manfred Möller, Rosmarie Blaumeiser-Debarry, Pia Lenzig, Dominik Wiemuth, Stefan Gründer
Acid-sensing ion channels (ASICs) are neuronal Na+ channels that are activated by extracellular acidification. Inhibiting ASICs is neuroprotective in mouse models of ischemic stroke. As inhalational anesthetics interact with many ion channels and as some of them have neuroprotective effects, we hypothesized that inhalational anesthetics modulate ASICs. We expressed different homo- and heteromeric ASICs heterologously in Xenopus oocytes. We co-applied with acidic pH the halogenated inhalational anesthetics sevoflurane, desflurane, and isoflurane and the noble gases xenon and argon at concentrations that are roughly equivalent to their minimal alveolar concentrations and analyzed their effect on current kinetics and amplitude...
April 5, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29624542/effects-of-combined-lower-thoracic-epidural-general-anesthesia-on-pain-control-in-patients-undergoing-elective-lumbar-spine-surgery-a-randomized-controlled-trial
#8
Marvin Thepsoparn, Jariya Sereeyotin, Patt Pannangpetch
STUDY DESIGN: Randomized controlled trial. OBJECTIVE: Our objective was to compare postoperative pain relief and operating field condition of single shot low thoracic epidural anesthesia combined with general anesthesia versus general anesthesia alone. SUMMARY OF BACKGROUND DATA: Prior studies have suggested that continuous epidural analgesia provides better postoperative pain relief and less intraoperative blood loss, but with the risk of the epidural catheter contaminating the surgical field...
April 5, 2018: Spine
https://www.readbyqxmd.com/read/29576786/malignant-hyperthermia-report-of-two-cases-with-a-neglected-complication-in-cardiac-surgery
#9
Mahdi Neshati, Manizheh Azadeh, Parinaz Neshati, Tyrone Burnett, Ryan Saenz, Bahman Karbasi, Ghader Shahmohammadi, Eskandar Nourizadeh, Mohsen Rostamzadeh
Malignant hyperthermia (MH) can develop after contact with volatile anesthetics (halothane, enflurane, isoflurane, sevoflurane, and desflurane) as well as succinylcholine and cause hypermetabolism during anesthesia, which is associated with high mortality when untreated. Early diagnosis and treatment could be life-saving. During cardiac surgery, hypothermia and cardiopulmonary bypass make the diagnosis of MH extremely challenging compared with other settings such as general surgery. We herein report 2 cases of MH, graded as "very likely" or "almost certain" based on the MH clinical grading scale...
October 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/29572589/low-flow-anaesthesia-with-a-fixed-fresh-gas-flow-rate
#10
Seyma Bahar, Mahmut Arslan, Aykut Urfalioglu, Gokce Gisi, Gozen Oksuz, Bora Bilal, Hafize Oksuz, Adem Doganer
During the wash-in period in low flow anaesthesia (LFA), high fresh gas flow is used to achieve the desired agent concentration. In this study, we aimed to evaluate the safety of fixed 1 L/min fresh gas flow desflurane anaesthesia in both the wash-in and maintenance periods in patients including the obese ones. 104 patients undergoing surgery under general anaesthesia were included. After endotracheal intubation, fresh gas flow was reduced to 1 L/min and the desflurane vaporizer was set at 18%. The time from opening the vaporizer to end-tidal desflurane concentration reaching 0...
March 23, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29541166/mechanism-of-gastrodin-in-cell-apoptosis-in-rat-hippocampus-tissue-induced-by-desflurane
#11
Luping Wang, Hushan Wang, Zongsheng Duan, Jian Zhang, Wenwen Zhang
This study investigated the protective effect ofgastrodin on cell apoptosis in rats hippocampus tissues induced by desflurane to explore its mechanism. A total of 36 rats were randomly divided into three groups: Blank control group (C group, n=12), desflurane anesthesia group (DF group, n=12) and gastrodin treatment group (GT group, n=12). Rats in DF group were treated with anesthesia using desflurane. Rats in GT group were treated with gavage using gastrodin and the same treatment as DF group. After the experiment, novel object recognition test and water maze test were performed...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29516302/optimal-model-parameter-estimation-from-eeg-power-spectrum-features-observed-during-general-anesthesia
#12
Meysam Hashemi, Axel Hutt, Laure Buhry, Jamie Sleigh
Mathematical modeling is a powerful tool that enables researchers to describe the experimentally observed dynamics of complex systems. Starting with a robust model including model parameters, it is necessary to choose an appropriate set of model parameters to reproduce experimental data. However, estimating an optimal solution of the inverse problem, i.e., finding a set of model parameters that yields the best possible fit to the experimental data, is a very challenging problem. In the present work, we use different optimization algorithms based on a frequentist approach, as well as Monte Carlo Markov Chain methods based on Bayesian inference techniques to solve the considered inverse problems...
March 7, 2018: Neuroinformatics
https://www.readbyqxmd.com/read/29509579/does-equi-minimum-alveolar-concentration-value-ensure-equivalent-analgesic-or-hypnotic-potency-a-comparison-between-desflurane-and-sevoflurane
#13
Kyoung-Ho Ryu, Keulame Song, Tae-Young Lim, Won-Jun Choi, Yun-Hong Kim, Hyun-Soo Kim
BACKGROUND: Minimum alveolar concentration (MAC) has traditionally been used to compare the potency of volatile anesthetics. However, as it reflects the spinal mechanism of immobility rather than the cerebral mechanism of analgesia and hypnosis, it is doubtful that equi-MAC connotes equivalent analgesic or hypnotic potency. The level of analgesia and hypnosis can be assessed using surgical pleth index and bispectral index (BIS) values, respectively. This study was designed to compare the surgical pleth index and BIS values produced by equi-MAC of desflurane and sevoflurane in patients undergoing single-agent volatile anesthesia...
June 2018: Anesthesiology
https://www.readbyqxmd.com/read/29505513/impact-of-inhalational-anesthetics-on-postoperative-cognitive-function-study-protocol-of-a-systematic-review-and-meta-analysis
#14
REVIEW
Yi-Qing Zou, Xiao-Bao Li, Zhi-Xing Yang, Jing-Min Zhou, Yi-Nan Wu, Zhi-Hu Zhao, Xiang-Zhu Liu, Chang-Li Hu
BACKGROUND: Conflict findings of the impact of inhalational anesthetics on postoperative cognitive function are reported. No systematic review has been performed to solve the problem. The aim of the study was to assess the effect of different inhalational anesthetics on postoperative cognitive function in a network meta-analysis. METHODS: We will search MEDLINE, EMBASE, the Central Register of Controlled Trials in the Cochrane library, and CINAHL for randomized controlled trials or cohort studies assessing the short-term or long-term cognitive function of elderly patients (over 60 years) receiving major surgeries and inhalational anesthetics (desflurane, isoflurane, sevoflurane, halothane, and nitrous oxide) during surgery...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29500622/age-related-differences-in-recovery-from-inhalational-anesthesia-a-retrospective-study
#15
Masanori Tsukamoto, Hitoshi Yamanaka, Takeshi Yokoyama
INTRODUCTION: It is important to understand the anesthetic requirements of elderly patients. However, little is known about age-related recovery from inhalational anesthetics. In this retrospective study, we compared age-related differences in recovery from three inhalational anesthetics  in elderly subjects. METHODS: Patients were investigated as three age groups which can be defined as age ranges pediatric (< 15 years), adult (15-64 years), and elderly patients ( > 65 years) under general anesthesia using inhalational anesthetics...
March 3, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29497826/comparison-of-propofol-and-desflurane-for-postanaesthetic-morbidity-in-patients-undergoing-surgery-for-aneurysmal-sah-a-randomized-clinical-trial
#16
Avanish Bhardwaj, Hemant Bhagat, Vinod Kumar Grover, Nidhi Bidyut Panda, Kiran Jangra, Seelora Sahu, Navneet Singla
PURPOSE: Surgery for aneurysmal clipping after subarachnoid haemorrhage (SAH) poses a unique anaesthetic challenge. However, data on the influence of anaesthetic agents in these patients are lacking. The study aims to evaluate the superiority of propofol over desflurane for postanaesthetic morbidity in patients undergoing surgery following aneurysmal SAH. METHODS: Seventy World Federation of Neurosurgeons Grade I and II patients were randomized into propofol (n = 35) and desflurane groups (n = 35)...
April 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/29481374/can-mathematical-modeling-explain-the-measured-magnitude-of-the-second-gas-effect
#17
Ben Korman, Ranjan K Dash, Philip J Peyton
BACKGROUND: Recent clinical studies suggest that the magnitude of the second gas effect is considerably greater on arterial blood partial pressures of volatile agents than on end-expired partial pressures, and a significant second gas effect on blood partial pressures of oxygen and volatile agents occurs even at relatively low rates of nitrous oxide uptake. We set out to further investigate the mechanism of this phenomenon with the help of mathematical modeling. METHODS: Log-normal distributions of ventilation and blood flow were generated representing the range of ventilation-perfusion scatter seen in patients during general anesthesia...
February 26, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29457191/variation-in-intraocular-pressure-caused-by-repetitive-positional-changes-during-laparoscopic-colorectal-surgery-a-prospective-randomized-controlled-study-comparing-propofol-and-desflurane-anesthesia
#18
Kwon Hui Seo, Yong-Shin Kim, Jindeok Joo, Jin-Woo Choi, Hong-Soo Jeong, Si-Wook Chung
Laparoscopic surgery is often prolonged and requires positional changes to facilitate surgical access. Previous studies reported intraocular pressure (IOP) changes in one fixed position. This study investigated the effect of desflurane and propofol anesthesia on IOP during repeated positional changes. A total of 46 patients undergoing laparoscopic colorectal surgery were randomized into desflurane or propofol groups. IOP was measured using a handheld tonometer at seven time points: before induction (baseline), after endotracheal intubation, after pneumoperitoneum, after the first Trendelenburg and right tilt position, after reverse Trendelenburg and right tilt position, after the second Trendelenburg and right tilt position and before endotracheal extubation...
February 19, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29452603/the-effects-of-desflurane-and-sevoflurane-on-nesfatin-1-levels-in-laparoscopic-cholecystectomy-a-randomized-controlled-trial
#19
A T D Ozcan, C B Altin, S Erdogan, M Ergin, A Çiftçi, H Kara, S M Aksoy, A But
BACKGROUND: Nesfatin-1 is involved in cardiovascular regulation, stress-related responses. The objective of this study is to investigate the impact of volatile anesthetics on Nesfatin-1 levels. METHOD: Fourty-two patients aged 30-65 years with the American Society Anesthesiology (ASA) Class I-II who were scheduled for laparoscopic cholecystectomy were included in the study Patients were randomized into two group; desflurane administered group (Group I, n = 21) and sevoflurane administered group (Group II, n = 21)...
February 16, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/29429516/lipoic-acid-inhibited-desflurane-induced-hippocampal-neuronal-apoptosis-through-caspase3-and-nf-kappab-dependent-pathway
#20
Hui Zhao, Meimei Bu, Binglu Li, Yong Zhang
Desfluraneis a widely-used general anesthetics. However, recent reports showed its significant side effect in the nervous system. Desflurane could lead to the neuronal death and affect the working memory. Unfortunately, the mechanism underlying the action of desflurane is still not clear and there is still no potent medicine to prevent the lesion in the central nervous system caused by general anesthetics. In this study, we found α-lipoic acid, an antioxidant exerting protective effect on multiple cells tissues, could resist the neurotoxicity caused by desflurane exposure...
February 2018: Tissue & Cell
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