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low flow sevoflurane

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https://www.readbyqxmd.com/read/27900813/anesthesia-maintenance-with-induction-dose-only-sevoflurane-during-pediatric-ophthalmic-examination-comparison-with-standard-low-flow-technique-through-a-randomized-controlled-trial
#1
Priyankar K Datta, Renu Sinha, Bikash Ranjan Ray, Venkateswaran Jambunathan, Riddhi Kundu
BACKGROUND: Sevoflurane is preferred for pediatric day care procedures. However, financial and environmental costs remain major limitations. Induction dose of sevoflurane could itself be sufficient for maintaining anesthesia with low fresh gas flow during short noninvasive procedures. METHODS: Fifty children, aged 1-5 years, scheduled for ophthalmic examination under anesthesia, were randomized into two groups. All children were induced with 8% sevoflurane in O2 : N2 O (40 : 60)...
November 30, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27761039/a-survey-on-the-use-of-low-flow-anaesthesia-and-the-choice-of-inhalational-anaesthetic-agents-among-anaesthesiologists-of-india
#2
Rajasree Omanakutty Amma, Subha Ravindran, Rachel Cherian Koshy, K M Jagathnath Krishna
BACKGROUND AND AIMS: With the availability of modern workstations and heightened awareness on the environmental effects of waste anaesthesia gases, anaesthesiologists worldwide are practicing low flow anaesthesia (LFA). Although LFA is being practiced in India, hard evidence on the current practice of the same from anaesthesiologists practicing in India is lacking and hence, we conducted this survey. METHODS: A questionnaire containing 16 questions was distributed among a subgroup of anaesthesiologists who attended the 2014 National Conference of Indian Society of Anaesthesiologists...
October 2016: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/27468496/-entropy-monitoring-during-low-flow-inhalation-anesthesia-a-tribute-to-fashion-or-necessity
#3
V I Gorban, A V Shchegolev, D A Kharitonov
OBJECTIVE: To compare anesthesia quality and sevoflurane consumption during standard and extended intraoperative monitoring. MATERIALS AND METHODS: 74 patients were included in prospective randomized study. Patients had spinal pathology of varying severity, extension and localization. A comparative evaluation of standard and extended (with entropy) monitoring was performed during low-flow inhalation anesthesia with the automated control of the anesthetic concentration and exhaled oxygen fraction (Et-control)...
March 2016: Anesteziologiia i Reanimatologiia
https://www.readbyqxmd.com/read/27414478/partial-nephrogenic-diabetes-insipidus-in-a-burned-patient-receiving-sevoflurane-sedation-with-an-anaesthetic-conserving-device-a-case-report
#4
Marie Muyldermans, Serge Jennes, Stuart Morrison, Olivier Soete, Pierre-Michel François, Elkana Keersebilck, Thomas Rose, Olivier Pantet
OBJECTIVE: To describe a case of partial nephrogenic diabetes insipidus in a burned patient after prolonged delivery of low inspired concentrations of sevoflurane via an Anesthetic Conserving Device. DATA SOURCES: Clinical observation. STUDY SELECTION: Case report. DATA EXTRACTION: Relevant clinical information. DATA SYNTHESIS: A 34-year-old man was admitted with burns covering 52% of his total body surface area...
July 13, 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27413741/effects-of-low-flow-sevoflurane-anesthesia-on-pulmonary-functions-in-patients-undergoing-laparoscopic-abdominal-surgery
#5
Cihan Doger, Kadriye Kahveci, Dilsen Ornek, Abdulkadir But, Mustafa Aksoy, Derya Gokcinar, Didem Katar
Objective. The aim of this prospective, randomized study was to investigate the effects of low-flow sevoflurane anesthesia on the pulmonary functions in patients undergoing laparoscopic cholecystectomy. Methods. Sixty American Society of Anesthesiologists (ASA) physical status classes I and II patients scheduled for elective laparoscopic cholecystectomy were included in the study. Patients were randomly allocated to two study groups: high-flow sevoflurane anesthesia group (Group H, n = 30) and low-flow sevoflurane anesthesia group (Group L, n = 30)...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27212762/sevoflurane-in-low-flow-anesthesia-using-equilibration-point
#6
Veena Chatrath, Ranjana Khetarpal, Divya Bansal, Harjinder Kaur
CONTEXT: While giving low-flow anesthesia, it is a routine practice to give fixed duration of initial high-flow. This study was conducted to show the use of equilibration point as changeover point from initial high-flow to low-flow. AIMS: It was to compare the use of equilibration point, hemodynamics, end-tidal agent concentration, recovery time, and recovery score between isoflurane and sevoflurane. SETTINGS AND DESIGN: It was a prospective randomized study conducted on 100 patients who were admitted for elective surgery expected to be < 2 h duration...
May 2016: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/26249754/accuracy-of-inhaled-agent-usage-displays-of-automated-target-control-anesthesia-machines
#7
Alexander Dehouwer, Rik Carette, Simon De Ridder, Andre M De Wolf, Jan F A Hendrickx
Automated low flow anesthesia machines report how much inhaled anesthetic agent has been used for each anesthetic. We compared these reported values with the amount of agent that had disappeared by weighing the vaporizer/injectors before and after each anesthetic. The vaporizers/injectors of the Aisys, Zeus and FLOW-i were weighed with a high precision weighing scale before and after anesthesia with either desflurane in O2/air or sevoflurane in O2/N2O. These values were compared with the values reported by the cumulative agent use display tools of the respective anesthesia machines using a linear curve fit...
October 2016: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/26198766/desflurane-and-sevoflurane-use-during-low-and-minimal-flow-anesthesia-at-fixed-vaporizer-settings
#8
Maria Horwitz, Jan G Jakobsson
BACKGROUND: The pharmacokinetics for sevoflurane and desflurane makes them suitable for low-flow anesthesia. The aim of the present study was to assess the use of desflurane and sevoflurane at constant vaporizer settings and fixed low fresh gas flows. METHODS: One hundred ASA 1-2 patients undergoing elective laparoscopic surgery were randomized into 4 groups (25 patients each): a fixed fresh gas flow 1.0 or 0.5 L/min with desflurane (D1.0 and D0.5) or sevoflurane (S1...
February 2016: Minerva Anestesiologica
https://www.readbyqxmd.com/read/26150868/comparing-effects-of-low-and-high-flow-anesthesia-on-hemorheology-and-coagulation-factors
#9
Orhan Binici, Ismail Kati, Ugur Goktas, Lokman Soyaral, Osman Cagatay Aytekin
OBJECTIVES: In the current study, we compared the effects of low- and high-flow anesthesia techniques on hemorheology and coagulation parameters in patients who received sevofluran. METHODS: Forty patients classified as Risk Group I-II according to American Society of Anesthesiologists' (ASA) guidelines who were scheduled to undergo general anesthesia were randomly assigned to one of two groups. Low-flow anesthesia was administered to the first group, and high-flow anesthesia was used in the second group...
2015: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/26131225/comparison-of-two-different-sevoflurane-expelling-methods-on-emergence-agitation-in-infants-following-sevoflurane-anesthesia
#10
Yunliang Yang, Tieying Song, Hong Wang, Kunfeng Gu, Pengyu Ma, Xiaojing Ma, Jianhui Zhao, Yuxia Li, JianHui Zhao, Guangyao Yang, Ruyu Yan
PURPOSE: To investigate the effects of two different inhalation anesthetic expelling methods on emergence agitation in infants following sevoflurane anesthesia. METHODS: 100 infants (1~3 years old) with cleft lip and palate and ASA classification I~II were randomized into two groups, a sevoflurane concentration decreasing expelling group (group n = 50 cases) and a low fresh gas flow expelling group (group D = 50 cases). The operation for cleft lip and palate repair was under general anesthesia, in which 30 minutes after initiation of narcosis ending extubation was indicated and after the tubes were removed the patients were sent to the post-anesthesia care unit (PACU) to record anesthesia times, emergence agitation scores, Ramsay scores and adverse reactions including drowsiness, respiratory depression, nausea and vomiting, chills, hiccough or laryngospasms...
2015: International Journal of Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/26072157/automated-gas-control-with-the-maquet-flow-i
#11
Rik Carette, Andre M De Wolf, Jan F A Hendrickx
The FLOW-i anesthesia machine (Maquet, Solna, Sweden) can be equipped with automated gas control (AGC), an automated low flow tool with target control of the inspired oxygen concentration (FIO2) and end-expired concentration (FA) of a potent inhaled anesthetic. We examined the performance and quantitative aspects of the AGC. After IRB approval and individual informed consent, anesthesia in 24 ASA I-II patients undergoing abdominal or gynecological surgery was maintained with sevoflurane in O2/air with a target FIO2 of 40 % and a target sevoflurane FA (FAsevo) of 2...
June 2016: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/25971310/effects-of-low-flow-sevoflurane-anesthesia-on-renal-function-in-low-birth-weight-infants
#12
Na Xing, Xin Wei, Yanzi Chang, Yingying Du, Wei Zhang
BACKGROUND: Low-flow sevoflurane anesthesia has been shown to influence renal function in rats, but not in adult humans. Presently, no study has assessed the effects of sevoflurane on renal function in low birth weight infants. Our aim was to study the renal function in low birth weight infants undergoing surgery with low-flow sevoflurane anesthesia. METHODS: Forty infants graded as American Society of Anesthesiologists (ASA) grade I or II undergoing abdominal surgery were selected...
2015: BMC Anesthesiology
https://www.readbyqxmd.com/read/25843038/performance-of-a-new-carbon-dioxide-absorbent-yabashi-lime%C3%A2-as-compared-to-conventional-carbon-dioxide-absorbent-during-sevoflurane-anesthesia-in-dogs
#13
COMPARATIVE STUDY
Kei Kondoh, Ayman Atiba, Kiyoshi Nagase, Shizuko Ogawa, Takashi Miwa, Teruya Katsumata, Hiroshi Ueno, Yuji Uzuka
In the present study, we compare a new carbon dioxide (CO2) absorbent, Yabashi lime(®) with a conventional CO2 absorbent, Sodasorb(®) as a control CO2 absorbent for Compound A (CA) and Carbon monoxide (CO) productions. Four dogs were anesthetized with sevoflurane. Each dog was anesthetized with four preparations, Yabashi lime(®) with high or low-flow rate of oxygen and control CO2 absorbent with high or low-flow rate. CA and CO concentrations in the anesthetic circuit, canister temperature and carbooxyhemoglobin (COHb) concentration in the blood were measured...
August 2015: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/25757405/performance-of-an-active-inspired-hypoxic-guard
#14
Idris E Ghijselings, Sofie De Cooman, Rik Carette, Philip J Peyton, Andre M De Wolf, Jan F A Hendrickx
Current hypoxic guards systems fail to maintain the inspired O2 concentration (FIO2) ≥ 21 % across the entire fresh gas flow (FGF) range when a second carrier gas is used (N2O or air). We examined the performance of the Maquet O2 Guard(®), a smart hypoxic guard that increases O2 delivery if an inspired hypoxic mixture is formed. After obtaining IRB approval and informed consent, 12 ASA I-II patients were enrolled. During anesthesia with sevoflurane in O2/air, the O2 Guard(®) was tested by administering O2/air at the following delivered hypoxic guard limits [expressed as (total FGF in L min(-1); FDO2 in %)] for 4 min each: [0...
February 2016: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/25729676/hemodynamic-parameters-of-low-flow-isoflurane-and-low-flow-sevoflurane-anesthesia-during-controlled-ventilation-with-laryngeal-mask-airway
#15
Sohrab Negargar, Ali Peirovifar, Ata Mahmoodpoor, Masoud Parish, Samad Ej Golzari, Haniye Molseqi, Soheil Negargar
BACKGROUND: Nowadays laryngeal mask airway (LMA) is popular as one of the best choices for airway management. Low-flow anesthesia has some advantages like lower pollution, hemodynamic stability and cost effectiveness. Volatile anesthetics are widely used for anesthesia maintenance during operations. Sevoflurane has more hemodynamic stability compared to isoflurane, but there are few studies comparing the hemodynamic stabilities of these two anesthetics during controlled low flow anesthesia with LMA...
December 2014: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/25530758/cost-analysis-of-three-techniques-of-administering-sevoflurane
#16
Asha Tyagi, Vineeta Venkateswaran, Ajai Kumar Jain, Uttam Chandra Verma
Background. This study aimed to evaluate and compare total cost of sevoflurane and propofol for 1.0 MAC-hour of anaesthesia, employing three anaesthetic techniques. Methods. Adult patients scheduled for surgical procedures under general anaesthesia anticipated to last approximately an hour were randomized into three groups (n = 15 each), to receive anaesthesia using one of the following techniques: low flow technique involving induction with propofol, followed by sevoflurane delivered using initial fresh gas flows of 6 L/min till MAC reached 1...
2014: Anesthesiology Research and Practice
https://www.readbyqxmd.com/read/25224780/sevoflurane-anesthesia-and-brain-perfusion
#17
Ossam Rhondali, Caroline André, Agnès Pouyau, Aurélie Mahr, Simon Juhel, Mathilde De Queiroz, Khalid Rhzioual-Berrada, Sylvain Mathews, Dominique Chassard
OBJECTIVE/AIM: To assess the impact of sevoflurane and anesthesia-induced hypotension on brain perfusion in children younger than 6 months. BACKGROUND: Safe lower limit of blood pressure during anesthesia in infant is unclear, and inadequate anesthesia can lead to hypotension, hypocapnia, and low cerebral perfusion. Insufficient cerebral perfusion in infant during anesthesia is an important factor of neurological morbidity. In two previous studies, we assessed the impact of sevoflurane anesthesia on cerebral blood flow (CBF) by transcranial Doppler (TCD) and on brain oxygenation by NIRS, in children ≤2 years...
February 2015: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/24801478/pharmacokinetics-of-sevoflurane-elimination-from-respiratory-gas-and-blood-after-coronary-artery-bypass-grafting-surgery
#18
Chih-Cherng Lu, Lin Tso-Chou, Che-Hao Hsu, Chien-Song Tsai, Michael J Sheen, Oliver Yao-Pu Hu, Shung-Tai Ho
PURPOSE: Sevoflurane, with a relative low blood-gas partition coefficient, is an ideal anesthetic to achieve rapid offset and recovery from general anesthesia. This study will determine the profiles of four concentration-time curves to characterize the pharmacokinetics of sevoflurane elimination. METHODS: Eight patients (aged 54-76 years) undergoing coronary arterial bypass grafting surgery were enrolled in this study. At the end of surgery, anesthetic gas and blood were sampled 20 min before and after stopping sevoflurane administration, with prior maintenance of a fixed 5% inspired sevoflurane (CIsev) in 6 L/min oxygen flow for 60 min before the cessation of sevoflurane administration for the subsequent 20 min elimination...
December 2014: Journal of Anesthesia
https://www.readbyqxmd.com/read/24653511/comparison-of-effects-of-low-flow-sevoflurane-and-desflurane-anesthesia-on-neutrophil-and-t-cell-populations
#19
Lutfiye Pirbudak Cocelli, Mete Gurol Ugur, Hakan Karadasli
BACKGROUND: Numerous transient effects of anesthesia on postoperative immune status have been documented in the literature. OBJECTIVE: This study was performed to test the hypothesis that the effects on neutrophil and T-cell populations differ with use of low-flow sevoflurane- and desflurane-induced anesthesia during abdominal surgery. METHODS: Fifty adult patients (American Society of Anesthesiologists physical status I or II) aged 20 to 60 years were recruited for the study...
February 2012: Current Therapeutic Research, Clinical and Experimental
https://www.readbyqxmd.com/read/24487732/direct-comparison-of-the-effect-of-desflurane-and-sevoflurane-on-intraoperative-motor-evoked-potentials-monitoring
#20
RANDOMIZED CONTROLLED TRIAL
Chin Ted Chong, Pirjo Manninen, Vanitha Sivanaser, Rajeev Subramanyam, Nancy Lu, Lashmi Venkatraghavan
BACKGROUND: During spinal surgery, intraoperative monitoring of motor-evoked potentials (MEPs) is a useful means of assessing the intraoperative integrity of corticospinal pathways. However, MEPs are known to be particularly sensitive to the suppressive effects of inhalational halogenated anesthetic agents. OBJECTIVE: To investigate the effects of increasing end-tidal concentrations of desflurane and sevoflurane anesthesia in a background of propofol and remifentanil with multipulse cortical stimulation on intraoperative monitoring of MEPs...
October 2014: Journal of Neurosurgical Anesthesiology
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