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https://www.readbyqxmd.com/read/29628584/evaluation-of-the-hemodynamic-response-of-intravenous-clonidine-versus-ropivacaine-scalp-block-to-insertion-of-scalp-pins-in-neurosurgical-patients
#1
Saraswathi Nagappa, Sandhya Kalappa, Raghavendra Biligiri Sridhara
Background: The application of the skull-pin head-holder, used to stabilize the head during neurosurgical procedures, produces an intense nociceptive stimulus and results in abrupt increases in blood pressure and cerebral blood flow under general anesthesia. Different anesthetic and pharmacologic techniques, including local anesthetics, narcotics, antihypertensives, and deepening of anesthesia with inhalation anesthetics, have been used to blunt this deleterious effect with variable success...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29622309/anesthetic-agents-commonly-used-by-oral-and-maxillofacial-surgeons
#2
REVIEW
Kyle J Kramer, Jason W Brady
Oral and maxillofacial surgeons have a variety of anesthetic agents that can be used to provide anesthesia safely and efficiently in the office-based environment. However, it is critical to have a thorough understanding of the particulars for each agent. Commonly used anesthetic agents, administered either individually or in combination, include diazepam, midazolam, propofol, ketamine, opioid agonists such as fentanyl or remifentanil, dexmedetomidine, and inhalational agents, including nitrous oxide and sevoflurane...
May 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29557840/an-exploratory-study-of-sevoflurane-as-an-alternative-for-difficult-sedation-in-critically-ill-children
#3
Santiago Mencía, Alba Palacios, Miriam García, Ana M Llorente, Olga Ordóñez, Blanca Toledo, Jesús López-Herce
OBJECTIVES: To analyze the effectiveness of inhaled sevoflurane in critically ill children with challenging sedation. DESIGN: Prospective case series. SETTING: Two PICUs of university hospitals in Spain. INTERVENTIONS: Prospective observational study and exploratory investigation conducted in two PICUs in Madrid, Spain, over a 6-year period. Children treated with inhaled sevoflurane due to difficult sedation were included...
March 19, 2018: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29509264/efficacy-of-inhalational-sevoflurane-anesthesia-induction-on-inhibiting-the-stress-response-to-endotracheal-intubation-in-children-with-congenital-heart-disease
#4
C-H Wang, J Luo, J Li, J-Z Zhang, S-Y Huang, W Shao, H-S Ma
OBJECTIVE: To investigate the efficacy of inhalational sevoflurane anesthesia induction on inhibiting the stress response to endotracheal intubation in pediatric patients with congenital heart disease (CHD). PATIENTS AND METHODS: Forty ASA physical status I/II pediatric patients scheduled for interventricular septal defect repair or interatrial septal defect repair, were randomly divided into two groups (20 each): intravenous induction group (Group C) and inhalational sevoflurane anesthesia induction group (Group D)...
February 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29448876/evaluation-of-injectable-anaesthesia-with-five-medetomidine-midazolam-based-combinations-in-egyptian-fruit-bats-rousettus-aegyptiacus
#5
Avishag Tuval, Liora Las, Yael Shilo-Benjamini
Egyptian fruit bats are increasingly used as model animals in neuroscience research. Our aim was to characterize suitable injectable anaesthesia for this species, possibly replacing inhalant anaesthesia, thus minimizing occupational health hazards. Eight bats were randomly assigned by a crossover design for subcutaneously administered combinations of medetomidine-midazolam with: saline (MM-Sal), ketamine (MM-Ket), fentanyl (MM-Fen), morphine (MM-Mor), or butorphanol (MM-But). The anaesthetic depth and vital signs were monitored at baseline and every 10 min until bats recovered...
January 1, 2018: Laboratory Animals
https://www.readbyqxmd.com/read/29367864/identification-and-quantification-of-mepirapim-and-acetyl-fentanyl-in-authentic-human-whole-blood-and-urine-samples-by-gc-ms-ms-and-lc-ms-ms
#6
Akira Mochizuki, Hiroko Nakazawa, Noboru Adachi, Kenichi Takekawa, Hideki Shojo
Purpose: We encountered a curious case in which two male subjects self-administered mepirapim plus acetyl fentanyl by different routes, i.e., intravenously and by inhalation. We have thus established a detailed procedure for quantification of mepirapim and acetyl fentanyl in whole blood and urine specimens using gas chromatography (GC)-tandem mass spectrometry (MS/MS). Methods: The GC-MS/MS method was validated for linearity, extraction recovery, accuracy, and precision...
2018: Forensic Toxicology
https://www.readbyqxmd.com/read/29284860/effect-of-locally-administered-dexmedetomidine-as-adjuvant-to-levobupivacaine-in-supraclavicular-brachial-plexus-block-double-blind-controlled-study
#7
Bikash Bisui, Swastika Samanta, Sumanta Ghoshmaulik, Amit Banerjee, Tirtha R Ghosh, Suman Sarkar
Context: Brachial plexus block is effective with good postoperative analgesia in upper limb surgery has gained importance as it safe, low cost, and maintains stable hemodynamics intraoperatively. To decrease the onset time and prolong the duration of nerve block bicarbonate, opioids (morphine, fentanyl, etc.), sympathomimetic agents (epinephrine, phenylephrine, etc.), α-2 agonists (clonidine and dexmedetomidine), calcium channel blocker (verapamil), magnesium sulfate, etc., were studied with local anesthetics and their isomers...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29150782/nitrous-oxide-added-at-the-end-of-isoflurane-anesthesia-hastens-early-recovery-without-increasing-the-risk-for-postoperative-nausea-and-vomiting-a-randomized-clinical-trial
#8
Boris Mraovic, Tatjana Simurina, Tong J Gan
BACKGROUND: Nitrous oxide (N2 O) has been reported to increase the risk of postoperative nausea and vomiting (PONV) in a dose-dependent manner. We investigated the effect of adding N2 O at the end of isoflurane inhalational anesthesia on the recovery and incidence of PONV. Our hypothesis was that N2 O would reduce the time to early recovery without increasing the incidence of PONV. METHODS: After obtaining ethics committee approval and written informed consent, 100 women at American Society of Anesthesiologists physical status I-III and scheduled for laparoscopic-assisted vaginal hysterectomy were randomized into two groups (G) according to the carrier gas: GO2 (air in 30% oxygen) and GN2 O (the same mixture until the last 30 min of surgery, when 70% N2 O in 30% oxygen was used)...
February 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29068578/the-effect-of-desflurane-and-propofol-protocols-on-preconditioning
#9
RANDOMIZED CONTROLLED TRIAL
Didem Onk, Fatih Ozcelik, Ufuk Kuyrukluyıldız, Murat Gunay, Alper Onk, Tulin Akarsu Ayazoglu, Abdulkadir Coban, Aysin Alagol
BACKGROUND: Preconditioning is one of the most powerful mechanisms preventing the myocardial ischemic damage that occurs during coronary artery bypass grafting. OBJECTIVES: We aimed to investigate the effects of different propofol and/or desflurane administration protocols in terms of the prevention of ischaemia-reperfusion damage. MATERIAL AND METHODS: Ninety patients, aged > 18 years, American Society of Anesthesiologists (ASA) category III, scheduled to undergo primary elective coronary artery bypass grafting (CABG), were included in the study...
August 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29067116/effect-of-isoflurane-n-2-o-inhalation-and-propofol-fentanyl-anesthesia-on-myocardial-function-as-assessed-by-cardiac-troponin-caspase-3-cyclooxygenase-2-and-inducible-nitric-oxide-synthase-expression
#10
Zhuanghui Zhu, Shuanglian Yi, Zhonggui Shan, Hongwei Guo, Shaofan Ke
The aim of this study was to evaluate the effect of isoflurane + N2 O inhalation and propofol + fentanyl anesthesia on myocardial function as assessed by cardiac troponin T (cTnT). A total of 60 patients were randomized into two groups: isoflurane + N2 O inhalation (n=30) and propofol + fentanyl anesthesia (n=30). The findings demonstrated that there was no significant difference between the two experimental groups in terms of cTnT levels, demographic properties or hemodynamic parameters. Isoflurane + N2 O inhalation and propofol + fentanyl anesthesia, respectively, were also investigated in a rat model of myocardial infarction...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28949804/can-dexmedetomidine-influence-recovery-profiles-from-general-anesthesia-in-nasal-surgery
#11
Ho Seok Lee, Ho Young Yoon, Ho Jun Jin, Se Hwan Hwang
Objectives Dexmedetomidine has sympatholytic, sedative, anesthetic, and analgesic effects, as well as vasoconstrictive effects, which may help prevent hypotension under general anesthesia. This meta-analysis aimed to perform a systematic review of the literature and investigate the effect of dexmedetomidine on perioperative morbidity following nasal surgery and its adverse effects. Data Sources MEDLINE, SCOPUS, and the Cochrane database. Review Methods Two authors independently searched the databases from their inception to March 2017...
January 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28888583/food-and-drug-administration-warning-on-anesthesia-and-brain-development-implications-for-obstetric-and-fetal-surgery
#12
Olutoyin A Olutoye, Byron Wycke Baker, Michael A Belfort, Oluyinka O Olutoye
There has been growing concern about the detrimental effects of certain anesthetic agents on the developing brain. Preclinical studies in small animal models as well as nonhuman primates suggested loss or death of brain cells and consequent impaired neurocognitive function following anesthetic exposure in neonates and late gestation fetuses. Human studies in this area are limited and currently inconclusive. On Dec. 14, 2016, the US Food and Drug Administration issued a warning regarding impaired brain development in children following exposure to certain anesthetic agents used for general anesthesia, namely the inhalational anesthetics isoflurane, sevoflurane, and desflurane, and the intravenous agents propofol and midazolam, in the third trimester of pregnancy...
January 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28868167/comparing-the-effects-of-combined-general-epidural-anaesthesia-and-general-anaesthesia-on-serum-cytokine-levels-in-radical-cystectomy
#13
Meltem Savran Karadeniz, Orkhan Mammadov, Hayriye Şentürk Çiftci, Sebahat Akgül Usta, Kamil Pembeci
OBJECTIVE: Surgical stress combined with general anaesthesia (GA) suppresses the immune system and leads to cancer cell growth and premature metastasis in major oncological interventions. Epidural analgesia decreases the need for inhalation agents and opioids during surgery by suppressing sympathetic and neuroendocrine responses in the postoperative period. This study aimed to compare the effects of combined general/epidural anaesthesia (GEA)+patient-controlled epidural analgesia (PCEA) and GA+IV patient-controlled analgesia (PCA) on serum tumour necrosis factor-alpha TNF-α), interleukin-1 beta (IL-1β) and interferon-gamma (IFN-γ) levels in patients undergoing radical cystectomy...
August 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28818494/gts-21-reduces-microvascular-permeability-during-experimental-endotoxemia
#14
Karsten Schmidt, Sukanya Bhakdisongkhram, Florian Uhle, Christoph Philipsenburg, Aleksandar R Zivkovic, Thorsten Brenner, Johann Motsch, Markus A Weigand, Stefan Hofer
INTRODUCTION: No effective pharmacological therapy is currently available to attenuate tissue edema formation due to increased microvascular permeability in sepsis. Cholinergic mediators have been demonstrated to exert anti-inflammatory effects via the α7 nicotinic acetylcholine receptor (α7nAChR) during inflammation. GTS-21, a partial α7nAChR agonist, is an appealing therapeutic substance for sepsis-induced microvascular inflammation due to its demonstrated cholinergic anti-inflammatory properties and its favorable safety profile in clinical trials...
August 15, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28767453/ultrasonographic-assessment-of-bladder-volumes-in-children-undergoing-penile-surgery-does-the-type-of-anesthesia-matter
#15
Margaret Ekstein, Yuval Bar-Yosef, Jacob Ben-Chaim, Ron Flaishon, Avi A Weinbroum
BACKGROUND: There are scant data reporting postoperative ultrasonographically measured bladder volumes in children undergoing penile surgery. STUDY QUESTION: We studied the effect of various anesthesia techniques on return of micturition after penile surgery in children, using ultrasonographically measured bladder volumes. DATA SOURCES: Ultrasonographically measured postvoiding residual bladder volumes indexed to age-appropriate capacity, and time elapsed between the end of surgery and spontaneous voiding after pediatric circumcision, distal hypospadias repair, or repair of urethrocutaneous fistula, were studied...
July 17, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28663616/effect-of-pregabalin-premedication-on-the-requirement-of-anesthetic-and-analgesic-drugs-in-laparoscopic-cholecystectomy-randomized-comparison-of-two-doses
#16
Prasoon Gupta, Anudeep Saxena, Lalita Chaudhary
BACKGROUND: Preoperative medication has a vital role in anesthesia. Pregabalin (PG) is a newer drug of gabapentinoid class and is six times more potent than gabapentin. Our study was designed to evaluate the effect of PG as premedication on the perioperative anesthetic requirement and analgesia. MATERIALS AND METHODS: The study was conducted on ninety patients of American Society of Anesthesiologists Grade I and II of age group 20-60 years, allocated to one of the three groups of thirty patients each...
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28445291/efficacy-of-sevoflurane-as-an-adjuvant-to-propofol-based-total-intravenous-anesthesia-for-attenuating-secretions-in-ocular-surgery
#17
RANDOMIZED CONTROLLED TRIAL
Hou-Chuan Lai, Yun-Hsiang Chang, Ren-Chih Huang, Nan-Kai Hung, Chueng-He Lu, Jou-Hsiu Chen, Zhi-Fu Wu
BACKGROUND: The incidence of nasal secretions into the operative field is as high as 5% in ophthalmic surgery under general anesthesia. It may induce postoperative endophthalmitis. Secretions under propofol-based total intravanous anesthesia (TIVA) are greater than sevoflurane anesthesia during surgery. Postoperative nausea and vomiting (PONV) after inhalational anesthesia is higher than TIVA and may increase intraocluar pressure. We investigated the effect of sevoflurane combination with propofol-based TIVA on nasopharyngeal secretions and PONV in ocular surgery...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28338180/influence-of-dexmedetomidine-to-cognitive-function-during-recovery-period-for-children-with-general-anesthesia
#18
RANDOMIZED CONTROLLED TRIAL
Z-M Jia, H-N Hao, M-L Huang, D-F Ma, X-L Jia, B Ma
OBJECTIVE: We studied the influence of Dexmedetomidine on cognitive function in children during the recovery period of general anesthesia. PATIENTS AND METHODS: Ninety-three children who underwent general anesthesia were selected and randomly divided into (1) the control group, (2) the dexmedetomidine group, and (3) the dezocine group. Fentanyl, propofol, and rocuronium were used in all patients to induce anesthesia, while sevoflurane inhalation and propofol were used to maintain anesthesia...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28298780/effects-of-inhaled-nitrous-oxide-on-the-induction-dose-and-time-requirements-of-propofol-a-prospective-randomized-double-blind-study
#19
Kavita Jain, Surendra Kumar Sethi, Mamta Damor, Neena Jain
CONTEXT: Propofol is a commonly used induction agent during general anesthesia. As a sole agent, it does not provide any strong analgesic effect. The nitrous oxide (N2O) used along with propofol for induction of anesthesia augments the induction characteristics and reduces the dose of propofol. AIMS: To study the effects of inhaled N2O on the induction dose and time of propofol during general anesthesia and also its hemodynamic response and adverse effects. SETTINGS AND DESIGN: The present research is a prospective, randomized, double-blind comparative study...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28265685/laparoscopic-partial-nephrectomy-in-a-patient-on-simvastatin-delayed-recovery-from-neuromuscular-blockade
#20
E E Abd El-Hakeem, A M Kaki, S A Almazlom, A J Alsayyad
Delayed recovery from anesthesia remains a very challenging subject for anesthesiologists. This case report describes the clinical course of delayed recovery from neuromuscular blockade after laparoscopic partial nephrectomy in a patient on simvastatin. The patient was hypertensive on regular treatment with oral captopril 25 mg twice daily and amlodipine 5 mg once daily and hypercholesterolemic on regular simvastatin 40 mg once daily with a normal electrocardiogram (ECG). All preoperative laboratory findings were within normal ranges...
June 2017: Der Anaesthesist
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