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volatile anesthetics

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https://www.readbyqxmd.com/read/29218095/effect-of-repeated-neonatal-sevoflurane-exposure-on-the-learning-memory-and-synaptic-plasticity-at-juvenile-and-adult-age
#1
Xiaoli Liang, Yi Zhang, Chao Zhang, Chunchun Tang, Yi Wang, Juanjuan Ren, Xi Chen, Yu Zhang, Zhaoqiong Zhu
Currently sevoflurane is the volatile anesthetic most wildly used in pediatric surgery. Whether neonatal exposure to sevoflurane brings about a long-lasting adverse impact even at juvenile and adult age, attracts extensive concerns. However, to date the consensus has not been reached and how exposure to sevoflurane in early life affects long-term ability of learning and memory is not fully elucidated. To obtain further insight into this issue, 32 neonatal SD rats were assigned into control group (group C, n=16) and sevoflurane group (group SEV, n=16)...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29214418/choice-of-desflurane-or-propofol-for-the-maintenance-of-general-anesthesia-does-not-affect-the-risk-of-periprocedural-myocardial-damage-in-patients-undergoing-transfemoral-transcatheter-aortic-valve-implantation
#2
Kenta Okitsu, Takeshi Iritakenishi, Tatsuyuki Imada, Michioki Kuri, Sho Carl Shibata, Yuji Fujino
PURPOSE: This study aimed to reveal whether the occurrence of periprocedural myocardial damage (PMD) decreases in patients who received volatile anesthetics to maintain general anesthesia compared with those who received propofol during transcatheter aortic valve implantation (TAVI). METHODS: We included one hundred and forty adult patients who underwent transfemoral TAVI under general anesthesia from January 2015 to March 2017 in this single-center retrospective review...
December 6, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/29210721/technique-utilizing-a-modified-oral-ring-adair-elwyn-tube-to-provide-continuous-oxygen-and-sevoflurane-delivery-during-nasotracheal-intubation-in-an-infant-with-a-difficult-airway-a-case-report
#3
Janice Y Man, John E Fiadjoe, Grace Hsu
Managing the airway of an infant with Pierre Robin sequence (PRS) is particularly challenging for anesthesiologists. Patients with PRS have the triad of micrognathia, glossoptosis, and airway obstruction that potentially and frequently leads to difficulty with both ventilation and intubation. Thus continuous oxygenation and spontaneous ventilation during intubation are essential. We describe a new method to deliver continuous oxygen and volatile anesthetic during nasotracheal intubation in an infant with PRS...
November 27, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29210379/porous-dipeptide-crystals-as-volatile-drug-vessels
#4
S Bracco, D Asnaghi, M Negroni, P Sozzani, A Comotti
Porous crystalline dipeptides absorb, reversibly from the gas phase, a series of volatile fluorinated ethers in use as anesthetics. Their vapor pressure was considerably reduced, with favorable guest capture and release. Variable channel sizes were customized for selective sorption and pressure thresholds were observed in the narrowest pores. 1H, 13C and 19F MAS NMR coupled with ab initio conformational analysis and grand canonical Monte Carlo simulations highlight the guest loading and arrangement adopted in the congruent nanochannels, suggesting how the anesthetics can accommodate in biochemical receptors...
December 6, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29200369/anesthetic-management-of-a-patient-with-a-history-of-rhabdomyolysis-for-dental-treatment
#5
Hitomi Terasaki, Shinichi Ito
When general anesthesia is administered for patients considered at high risk for rhabdomyolysis, appropriate precautions are warranted. The use of suitable anesthetics, with attention to intravenous fluid management, electrolyte balance, respiration, and metabolism, should be addressed. We performed general anesthesia for dental treatment and biopsy for fibrous hyperplasia of the buccal mucosa in a patient with a history of rhabdomyolysis. We utilized thiamylal sodium, midazolam, rocuronium bromide, nitrous oxide, fentanyl, and remifentanil without using volatile anesthetics and propofol for this case...
2017: Anesthesia Progress
https://www.readbyqxmd.com/read/29200367/anesthetic-management-in-mitochondrial-encephalomyopathy-a-case-report
#6
Toru Yamamoto, Noriko Miyazawa, Shinichi Yamamoto, Hiroshi Kawahara
We report on a morbidly obese 16-year-old boy (weight, 116 kg; height, 176 cm; body mass index, 35.5 kg/m2) with mitochondrial encephalomyopathy and a history of cerebral infarction, epilepsy, and severe mental retardation. The patient was scheduled for elective surgery under general anesthesia for multiple dental caries and entropion of the left eye. Preoperative examination results, including an electrocardiogram, were normal. No obvious cardiac function abnormalities were observed on echocardiography. Midazolam (10 mg) was administered orally as premedication 30 minutes before transfer to the operating room; however, the patient was uncooperative, and his body movements were difficult to control upon entering the operating room...
2017: Anesthesia Progress
https://www.readbyqxmd.com/read/29176298/smaller-effect-of-propofol-than-sevoflurane-anesthesia-on-dopamine-turnover-induced-by-methamphetamine-and-nomifensine-in-the-rat-striatum-an-in-vivo-microdialysis-study
#7
Saori Taharabaru, Maiko Satomoto, Takahiro Tamura, Yushi U Adachi
Volatile anesthetics accelerate dopamine turnover in the brain, especially when used in conjunction with psychotropic agents such as methamphetamine and nomifensine. The effect of intravenous propofol anesthesia on the extracellular dopamine concentrations is unclear. The aim of this study was to compare the effect of two anesthetics on the extracellular concentrations of dopamine and metabolites using an in vivo microdialysis model. Male Sprague Dawley rats were implanted with a microdialysis probe into the right striatum...
November 23, 2017: Experimental Animals
https://www.readbyqxmd.com/read/29174123/intraoperative-anesthetic-management-of-lung-transplantation-center-specific-practices-and-geographic-and-centers-size-differences
#8
Roland Tomasi, David Betz, Sophie Schlager, Tobias Kammerer, Dominik J Hoechter, Thomas Weig, Peter Slinger, Laura V Klotz, Bernhard Zwißler, Nandor Marczin, Vera von Dossow
OBJECTIVE: Although increasing evidence in lung transplantation (LTx) suggests that intraoperative management could influence outcomes, there are no guidelines available regarding intraoperative management of LTx. The overall goal of the study was to assess geographic and center volume-specific clinical practices in perioperative management. DESIGN: Prospective data analysis. SETTING: Online survey from a single-center university hospital...
May 17, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29173362/propofol-potentiates-sevoflurane-induced-inhibition-of-nuclear-factor-%C3%AE%C2%BAb-mediated-inflammatory-responses-and-regulation-of-mitogen-activated-protein-kinases-pathways-via-toll-like-receptor-4-signaling-in-lipopolysaccharide-induced-acute-lung-injury-in-mice
#9
Wei Liu, Honghua Zhu, Hao Fang
BACKGROUND: Toll-like receptor 4 (TLR4)-induced initiation of mitogen-activated protein kinases and the nuclear factor-kappa B signaling cascade is reportedly involved in inflammatory responses during lung injury. Studies have found that volatile anesthetics, such as isoflurane and sevoflurane, inhibit inflammation. This investigation explored the protective effects of propofol and whether propofol potentiates the protective effects of sevoflurane against lipopolysaccharide (LPS)-induced acute lung injury...
November 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29163846/does-the-type-of-anesthesia-really-affect-the-recurrence-free-survival-after-breast-cancer-surgery
#10
Myoung Hwa Kim, Dong Wook Kim, Joo Heung Kim, Ki Young Lee, Seho Park, Young Chul Yoo
Background: Although previous studies have suggested that propofol inhibits cancer recurrence and metastasis, the association between anesthetic agents and the recurrence of breast cancer has not been clearly investigated. We compared total intravenous anesthesia and balanced anesthesia with volatile agents to investigate the differences in their effects on recurrence-free survival and overall survival after breast cancer surgery. Materials and Methods: The electronic medical records of 2,729 patients who underwent breast cancer surgery between November 2005 and December 2010 were retrospectively reviewed to analyze the factors associated with recurrence-free survival after surgery...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29158975/assessment-of-perioperative-stress-in-colorectal-cancer-by-use-of-in-vitro-cell-models-a-systematic-review
#11
Tove Kirkegaard, Mikail Gögenur, Ismail Gögenur
Background: The perioperative period is important for patient outcome. Colorectal cancer surgery can lead to metastatic disease due to release of disseminated tumor cells and the induction of surgical stress response. To explore the overall effects on surgically-induced changes in serum composition, in vitro model systems are useful. Methods: A systematic search in PubMed and EMBASE was performed to identify studies describing in vitro models used to investigate cancer cell growth/proliferation, cell migration, cell invasion and cell death of serum taken pre- and postoperatively from patients undergoing colorectal tumor resection...
2017: PeerJ
https://www.readbyqxmd.com/read/29149981/ischemic-preconditioning-produces-comparable-protection-against-hepatic-ischemia-reperfusion-injury-under-isoflurane-and-sevoflurane-anesthesia-in-rats
#12
J S Jeong, D Kim, K Y Kim, S Ryu, S Han, B S Shin, G S Kim, M S Gwak, J S Ko
BACKGROUND: Various volatile anesthetics and ischemic preconditioning (IP) have been demonstrated to exert protective effect against ischemia/reperfusion (I/R) injury in liver. We aimed to determine whether application of IP under isoflurane and sevoflurane anesthesia would confer protection against hepatic I/R injury in rats. METHODS: Thirty-eight rats weighing 270 to 300 grams were randomly divided into 2 groups: isoflurane (1.5%) and sevoflurane (2.5%) anesthesia groups...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29149820/mechanisms-of-cardioprotection-of-halogenated-agents-during-extracorporeal-circulation-in-cardiac-surgery
#13
M Ramirez Aliaga, J J Escalona Belmonte, Alicia Ramirez-Fernandez, M Rubio Navarro, J Cruz Manas
The implementation of cardioprotective strategies involving pre-, intra-, and postoperative interventions is key during cardiac surgery requiring extracorporeal circulation (ECC). The primary goal of this study was to review the physiopathology of and protection strategies against myocardial damage secondary to ECC during cardiac surgery. The administration of halogenated anesthetics for cardiac anesthesia is commonplace due to their well-known cardioprotective effects and their capacity to ensure hypnosis...
November 16, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29141380/-the-analysis-of-anesthetic-management-for-renal-cell-carcinoma-with-associated-inferior-vena-cava-tumor-thrombus
#14
H Zeng, X Y Rong, Y Wang, X Y Guo
Objective: To explore the key points of anesthetic management for renal cell carcinoma combined with inferior vena cava (IVC) tumor thrombus. Methods: Twenty-seven cases of renal cell carcinoma with inferior vena cava (IVC) tumor thrombus underwent radical nephrectomy and inferior caval venous thrombectomy were reviewed retrospectively during January 2014 to January 2017 in our hospital.Analyzed data includs demographics, classification of tumor, perioperative anesthetic management and monitoring approaches, IVC clamping time , vital signs during cardiopulmonary bypass(CPB), estimated blood loss (EBL), usage of blood products, hospitalization time and ICU time , as well as postoperative outcomes...
November 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29136012/regional-knockdown-of-ndufs4-implicates-a-thalamocortical-circuit-mediating-anesthetic-sensitivity
#15
Renjini Ramadasan-Nair, Jessica Hui, Pavel I Zimin, Leslie S Itsara, Philip G Morgan, Margaret M Sedensky
Knockout of the mitochondrial complex I protein, NDUFS4, profoundly increases sensitivity of mice to volatile anesthetics. In mice carrying an Ndufs4lox/lox gene, adeno-associated virus expressing Cre recombinase was injected into regions of the brain postulated to affect sensitivity to volatile anesthetics. These injections generated otherwise phenotypically wild type mice with region-specific, postnatal inactivation of Ndufs4, minimizing developmental effects of gene loss. Sensitivities to the volatile anesthetics isoflurane and halothane were measured using loss of righting reflex (LORR) and movement in response to tail clamp (TC) as endpoints...
2017: PloS One
https://www.readbyqxmd.com/read/29125194/amyotrophic-lateral-sclerosis-a-case-report-and-mechanistic-review-of-the-association-with-toluene-and-other-volatile-organic-compounds
#16
Marcia H Ratner, Joe F Jabre, William M Ewing, Mohamed Abou-Donia, L Christine Oliver
Unmasking of latent neurodegenerative disease has been reported following exposure to chemicals that share one or more mechanisms of action in common with those implicated in the specific disease. For example, unmasking of latent Parkinson's disease (PD) has been associated with exposure to anti-dopaminergic agents, while the progression of pre-existing mild cognitive impairment and unmasking of latent Alzheimer's disease has been associated with exposure to general anesthetic agents which promote Aβ protein aggregation...
November 10, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/29120931/perioperative-neurocognition-in-elderly-patients
#17
Huiqun Fu, Long Fan, Tianlong Wang
PURPOSE OF REVIEW: The extrinsic risk factors for postoperative cognitive disturbance have been a source of concern during the perioperative period, and these risk factors remain the subject of controversy. This review of recent studies focuses on the effect of these factors on postoperative cognitive disturbance during the perioperative period. RECENT FINDINGS: Impairment of cerebral autoregulation may predispose patients to intraoperative cerebral malperfusion, which may subsequently induce postoperative cognitive disturbance...
November 7, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29098494/toxicity-of-inhaled-agents-after-prolonged-administration
#18
Panumart Manatpon, W Andrew Kofke
Inhaled anesthetics have been utilized mostly for general anesthesia in the operating room and oftentimes for sedation and for treatment of refractory status epilepticus and status asthmaticus in the intensive care unit. These contexts in the ICU setting are related to potential for prolonged administration wherein potential organ toxicity is a concern. Over the last decade, several clinical and animal studies of neurotoxicity attributable to inhaled anesthetics have been emerging, particularly in extremes of age...
November 2, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29073151/inhalation-of-volatile-anesthetics-via-a-laryngeal-mask-is-associated-with-lower-incidence-of-intraoperative-awareness-in-non-critically-ill-patients
#19
Pei-Jen Kuo, Chia-Ling Lee, Jen-Huang Wang, Shiu-Ying Hsieh, Shian-Che Huang, Chen-Fuh Lam
BACKGROUND: Increased incidence of intraoperative awareness was reported in critically ill patients during major operations, particularly under total intravenous (TIVA) or endotracheal general anesthesia (ETGA). However, the incidence and effect of anesthesia techniques on awareness in generally healthy, non-critically ill patients during operations have yet to receive significant attention. METHODS AND RESULTS: This retrospective matched case-control study was conducted between January 2009 to December 2014...
2017: PloS One
https://www.readbyqxmd.com/read/29070852/impact-of-anesthetic-agents-on-overall-and-recurrence-free-survival-in-patients-undergoing-esophageal-cancer-surgery-a-retrospective-observational-study
#20
In-Jung Jun, Jun-Young Jo, Jong-Il Kim, Ji-Hyun Chin, Wook-Jong Kim, Hyeong Ryul Kim, Eun-Ho Lee, In-Cheol Choi
Given that surgical stress response and surgical excision may increase the likelihood of post-surgery cancer dissemination and metastasis, the appropriate choice of surgical anesthetics may be important for oncologic outcomes. We evaluated the association of anesthetics used for general anesthesia with overall survival and recurrence-free survival in patients who underwent esophageal cancer surgery. Adult patients (922) underwent elective esophageal cancer surgery were included. The patients were divided into two groups according to the anesthetics administered during surgery: volatile anesthesia (VA) or intravenous anesthesia with propofol (TIVA)...
October 25, 2017: Scientific Reports
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