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Neuro anesthesia

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https://www.readbyqxmd.com/read/28485386/monitoring-rate-and-predictability-of-intraoperative-monitoring-in-patients-with-intradural-extramedullary-and-epidural-metastatic-spinal-tumors
#1
H Kang, H S Gwak, S H Shin, M K Woo, I H Jeong, H Yoo, J W Kwon, S H Lee
STUDY DESIGN: Single-center retrospective study. OBJECTIVES: To evaluate the monitoring rate, sensitivity and specificity of intraoperative monitoring (IOM) during removal of intradural extramedullary (IDEM) or epidural metastatic spinal tumors. Also, to assess the efficacy of monitoring somatosensory-evoked potentials (SSEP) when motor-evoked potentials (MEP) are not measurable. SETTING: The Neuro-Oncology Clinic, National Cancer Center, Korea...
May 9, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28420508/a-promising-protein-responsible-for-overactive-bladder-in-ovariectomized-mice
#2
Huey-Yi Chen, Chao-Jung Chen, Wen-Chi Chen, Shih-Jing Wang, Yung-Hsiang Chen
OBJECTIVE: Ovariectomy (OVX) in mice is a model mimicking a neuro-electronic proof of an overactive bladder in postmenopausal women. Overactive bladder (OAB) was recently found to be due to an altered gap junction protein in a rat model. Thus, this study was conducted to evaluate changes in cell junction protein expression and composition in the bladder of OVX mice. MATERIALS AND METHODS: Thirty-six virgin female mice were randomized into three groups: mice with a sham operation only (control), OVX mice without estradiol (E2) replacement, and OVX mice with E2 replacement (OVX + E2)...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28395952/a-novel-methodology-for-assessing-laryngeal-and-vagus-nerve-integrity-in-patients-under-general-anesthesia
#3
Catherine F Sinclair, Maria J Téllez, Oscar R Tapia, Sedat Ulkatan, Vedran Deletis
OBJECTIVE: To describe a novel methodology for intraoperative neuro-monitoring of laryngeal and vagus nerves by utilizing the laryngeal adductor reflex (LAR). METHODS: Case series of 15 patients undergoing thyroid and cervical spine surgeries under total intravenous general anesthesia. Vocal fold mucosa was electrically stimulated to elicit a LAR using endotracheal tube based electrodes. Contralateral R1 (cR1) and R2 (cR2) responses were recorded using the endotracheal tube electrode contralateral to the simulating electrode...
March 14, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28393001/neuro-tracing-approach-to-study-kidney-innervation-a-technical-note
#4
Sanghee Lee, Anna P Malykhina
Neuro-tracing approach is a great option to study innervation of the visceral organs including the kidneys. Important factors contributing to the success of this technique include the choice of a neuro-tracer, and delivery methods to result in successful labeling of peripheral sensory and motor ganglia. The neuro-tracer is usually applied directly to the kidney accessed via a surgical opening of the abdominal wall under deep anesthesia. A series of local microinjections of the dye are performed followed by a wound closure, and recovery period from the surgery...
March 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28355229/surgery-increases-cell-death-and-induces-changes-in-gene-expression-compared-with-anesthesia-alone-in-the-developing-piglet-brain
#5
Kevin D Broad, Go Kawano, Igor Fierens, Eridan Rocha-Ferreira, Mariya Hristova, Mojgan Ezzati, Jamshid Rostami, Daniel Alonso-Alconada, Badr Chaban, Jane Hassell, Bobbi Fleiss, Pierre Gressens, Robert D Sanders, Nicola J Robertson
In a range of animal species, exposure of the brain to general anaesthesia without surgery during early infancy may adversely affect its neural and cognitive development. The mechanisms mediating this are complex but include an increase in brain cell death. In humans, attempts to link adverse cognitive development to infantile anaesthesia exposure have yielded ambiguous results. One caveat that may influence the interpretation of human studies is that infants are not exposed to general anaesthesia without surgery, raising the possibility that surgery itself, may contribute to adverse cognitive development...
2017: PloS One
https://www.readbyqxmd.com/read/28214930/investigation-of-optical-neuro-monitoring-technique-for-detection-of-maintenance-and-emergence-states-during-general-anesthesia
#6
Gabriela Hernandez-Meza, Meltem Izzetoglu, Mary Osbakken, Michael Green, Hawa Abubakar, Kurtulus Izzetoglu
The American Society of Anesthesiologist recommends peripheral physiological monitoring during general anesthesia, which offers no information regarding the effects of anesthetics on the brain. Since no "gold standard" method exists for this evaluation, such a technique is needed to ensure patient comfort, procedure quality and safety. In this study we investigated functional near infrared spectroscopy (fNIRS) as possible monitor of anesthetic effects on the prefrontal cortex. Anesthetic drugs, such as sevoflurane, suppress the cerebral metabolism and alter the cerebral blood flow...
February 18, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28211198/safety-of-antifibrinolytics-in-cranial-vault-reconstructive-surgery-a-report-from-the-pediatric-craniofacial-collaborative-group
#7
Susan M Goobie, Franklyn P Cladis, Chris D Glover, Henry Huang, Srijaya K Reddy, Allison M Fernandez, David Zurakowski, Paul A Stricker
BACKGROUND: Antifibrinolytic therapy significantly decreases blood loss and transfusion in pediatric cranial vault reconstructive surgery; however, concern regarding the side effects profile limits clinical use. AIMS: The aim was to utilize the Pediatric Craniofacial Surgery Perioperative Registry database to identify the safety profile of antifibrinolytic therapy for cranial vault reconstructive surgery by reporting the incidence of adverse events as they relate to exposure to tranexamic acid and aminocaproic acid compared to no exposure to antifibrinolytics...
March 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27793236/isoflurane-provides-neuroprotection-in-neonatal-hypoxic-ischemic-brain-injury-by-suppressing-apoptosis
#8
De-An Zhao, Ling-Yun Bi, Qian Huang, Fang-Min Zhang, Zi-Ming Han
BACKGROUND AND OBJECTIVES: Isoflurane is halogenated volatile ether used for inhalational anesthesia. It is widely used in clinics as an inhalational anesthetic. Neonatal hypoxic ischemia injury ensues in the immature brain that results in delayed cell death via excitotoxicity and oxidative stress. Isoflurane has shown neuroprotective properties that make a beneficial basis of using isoflurane in both cell culture and animal models, including various models of brain injury. We aimed to determine the neuroprotective effect of isoflurane on hypoxic brain injury and elucidated the underlying mechanism...
November 2016: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/27768675/optimal-timing-of-surgical-procedures-in-pediatric-patients
#9
Riva R Ko, Teeda Pinyavat, Steven Stylianos, Sarah M Lambert, Richard C Anderson, Pamela F Gallin, Lynne G Maxwell, Christopher G Ward, Jayant K Deshpande, Constance S Houck
The Pediatric Anesthesia Neuro Development Assessment (PANDA) team at the Anesthesiology Department at Columbia University Medical Center held its fifth biennial symposium to discuss issues regarding potential neurotoxicity of anesthetic agents in pediatric patients. Overall optimal surgical timing as well as a "critical window" for surgery on a specialty specific basis are areas of focus for the American Academy of Pediatrics Surgical Advisory Panel. An ad hoc panel of pediatric surgical experts representing general surgery, urology, neurosurgery, and ophthalmology was assembled for this meeting and provided a dialogue focused on the benefits of early intervention versus potential anesthetic risk, addressing parental concerns, and the need for continued interdisciplinary collaboration in this area...
October 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/27637994/-isoflurane-provides-neuroprotection-in-neonatal-hypoxic-ischemic-brain-injury-by-suppressing-apoptosis
#10
De-An Zhao, Ling-Yun Bi, Qian Huang, Fang-Min Zhang, Zi-Ming Han
BACKGROUND AND OBJECTIVES: Isoflurane is halogenated volatile ether used for inhalational anesthesia. It is widely used in clinics as an inhalational anesthetic. Neonatal hypoxic ischemia injury ensues in the immature brain that results in delayed cell death via excitotoxicity and oxidative stress. Isoflurane has shown neuroprotective properties that make a beneficial basis of using isoflurane in both cell culture and animal models, including various models of brain injury. We aimed to determine the neuroprotective effect of isoflurane on hypoxic brain injury and elucidated the underlying mechanism...
September 13, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/27625514/pictorial-handover-of-neuro-anesthesia-cases-in-between-the-shifts
#11
Faraz Shafiq, Muhammad Irfan Ul Haq
No abstract text is available yet for this article.
July 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/27593248/clinical-pet-mr-imaging-in-dementia-and-neuro-oncology
#12
REVIEW
Otto M Henriksen, Lisbeth Marner, Ian Law
The introduction of hybrid PET/MRI systems allows simultaneous multimodality image acquisition of high technical quality. This technique is well suited for the brain, and particularly in dementia and neuro-oncology. In routine use combinations of well-established MRI sequences and PET tracers provide the most optimal and clinically valuable protocols. For dementia the [18F]-fluorodeoxyglucose (FDG) has merit with a simultaneous four sequence MRI protocol of 20 min supported by supplementary statistical reading tools and quantitative measurements of the hippocampal volume...
October 2016: PET Clinics
https://www.readbyqxmd.com/read/27479266/-are-subspecialties-and-fellowship-programs-in-german-anesthesia-required
#13
Christiane Goeters, Hugo Van Aken
Rapid progress in medical science and technique offer new complex individual treatment modalities. Distinct profile qualifications like echocardiography, electroencephalography are required for anesthesia in high risk populations (cardiovascular, pediatric and neuro surgical patients) to guarantee best patient care and outcome. Accredited subspecialties and distinct fellowship programs are required to improve medical education, training and research.
July 2016: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/27463265/clinical-pharmacology-and-efficacy-of-sugammadex-in-the-reversal-of-neuromuscular-blockade
#14
REVIEW
Stefan Josef Schaller, Heidrun Lewald
INTRODUCTION: Sugammadex is the first clinical representative of a class of drugs called steroidal muscle relaxant encapsulators. Due to its 1:1 binding of rocuronium or vecuronium, sugammadex can reverse any depth of neuromuscular block and has therefore revolutionized the way anesthetists think about drug reversal. AREAS COVERED: This review gives an overview of the clinical pharmacology and efficacy of sugammadex in healthy patients as well as in patients with pre-existing diseases...
September 2016: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/27382816/effect-of-dexmedetomidine-on-hemodynamic-parameters-during-extubation-a-prospective-randomized-double-blind-study
#15
RANDOMIZED CONTROLLED TRIAL
A H Shruthi, S S Nethra, K Sudheesh, D Devika Rani, R S Raghavendra Rao
BACKGROUND: Extubation is known to produce significant hemodynamic disturbances. There is a need to avoid increase in heart rate and blood pressure in hypertensive and cardiac patients and in vascular, neuro and intraocular surgeries. AIMS: To study the ability of dexmedetomidine to attenuate the hemodynamic responses during extubation. MATERIALS AND METHODS: 80 patients of ASA Grade I-II aged 18-50 years received standard anesthesia. At the closure of skin incision, patients were randomly allocated to receive either dexmedetomidine 0...
February 2016: Middle East Journal of Anesthesiology
https://www.readbyqxmd.com/read/27349779/-accidental-dural-puncture-and-post-dural-puncture-headache-in-the-obstetric-population-eight-years-of-experience
#16
Maria Vaz Antunes, Adriano Moreira, Catarina Sampaio, Aida Faria
INTRODUCTION: Accidental dural puncture is an important complication of regional anesthesia and post-dural puncture headache remains a disable outcome in obstetric population. The aim of our study was to calculate the incidence of accidental puncture and post-puncture headache and evaluate its management among obstetric anesthesiologists. MATERIAL AND METHODS: We conducted a retrospective audit, between January 2007 and December 2014. We reviewed the record sheets of patients who experienced either accidental puncture or post-puncture headache...
April 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27251956/effects-of-combined-general-anesthesia-and-thoracic-epidural-analgesia-on-cytokine-response-in-patients-undergoing-laparoscopic-cholecystectomy
#17
S Ozcan, A B Ozer, M A Yasar, O L Erhan
BACKGROUND: Severe postoperative pain is not often experienced in laparoscopic cholecystectomy. Anesthesia, surgery, and pain are stressful and cause different reactions in neuro-immuno-endocrine systems. Many factors such as the pharmacological effect of the drugs used, as well as the type and depth of anesthesia, can affect these reactions. OBJECTIVE: The aim of this study was to evaluate the effect of the combination of general anesthesia and thoracic epidural analgesia (TEA) on cytokine reaction in laparoscopic cholecystectomy...
July 2016: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/27241259/anesthetic-effects-changeable-in-habitual-drinkers-mechanistic-drug-interactions-with-neuro-active-indoleamine-aldehyde-condensation-products-associated-with-alcoholic-beverage-consumption
#18
Hironori Tsuchiya
Clinicians often experience the reduced efficacy of general and local anesthetics and anesthesia-related drugs in habitual drinkers and chronic alcoholics. However, the mechanistic background underlying such anesthetic tolerance remains unclear. Biogenic indoleamines condense with alcohol-derived aldehydes during fermentation processes and under physiological conditions to produce neuro-active tetrahydro-β-carbolines and β-carbolines, many of which are contained not only in various alcoholic beverages but also in human tissues and body fluids...
July 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27149473/amitriptyline-activates-trka-to-aid-neuronal-growth-and-attenuate-anesthesia-induced-neurodegeneration-in-rat-dorsal-root-ganglion-neurons
#19
Xiaochun Zheng, Feng Chen, Ting Zheng, Fengyi Huang, Jianghu Chen, Wenshao Tu
Tricyclic antidepressant amitriptyline (AM) has been shown to exert neurotrophic activity on neurons. We thus explored whether AM may aid the neuronal development and protect anesthesia-induced neuro-injury in young spinal cord dorsal root ganglion (DRG) neurons.The DRG explants were prepared from 1-day-old rats. The effect of AM on aiding DRG neural development was examined by immunohistochemistry at dose-dependent manner. AM-induced changes in gene and protein expressions, and also phosphorylation states of tyrosine kinases receptor A (TrkA) and B (TrkB) in DRG, were examined by quantitative real-time polymerase chain reaction and western blot...
May 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/26923541/pharmacokinetic-profiles-of-the-five-isoflavonoids-from-pueraria-lobata-roots-in-the-csf-and-plasma-of-rats
#20
Bing-Xin Xiao, Li Feng, Fang-Rui Cao, Rui-Le Pan, Yong-Hong Liao, Xin-Min Liu, Qi Chang
ETHNOPHARMACOLOGICAL RELEVANCE: Traditional Chinese medicine Radix Puerariae, the roots of Pueraria lobata (Wild.) Ohwi., has been widely used for the treatment of cardiovascular and cerebrovascular diseases in China for centuries. Isoflavonoids are believed the active components of this herb. AIM OF THIS STUDY: The present study aims to investigate the brain penetration and pharmacokinetics of five active isoflavonoids in the ventricular CSF and plasma of rats after intravenous administration of a Pueraria isoflavonoids (PIF) extract, to better understand the active components of this herb for neuro-activities...
May 26, 2016: Journal of Ethnopharmacology
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