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Pentobarbital

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https://www.readbyqxmd.com/read/27913992/c-type-natriuretic-peptide-prevents-kidney-injury-and-attenuates-oxidative-and-inflammatory-responses-in-hemorrhagic-shock
#1
Gan Chen, Xiang Song, Yujing Yin, Sha Xia, Qingjun Liu, Guoxing You, Lian Zhao, Hong Zhou
Oxidative stress induced by hemorrhagic shock (HS) initiates a systemic inflammatory response, which leads to subsequent kidney injury. This study assessed the efficacy of c-type natriuretic peptide (CNP) in attenuating kidney injury in a rat model of hemorrhagic shock and resuscitation (HS/R). Sodium pentobarbital-anesthetized adult male Wistar rats underwent HS induced by the withdrawal of blood to a mean arterial pressure of 30-35 mmHg for 50 min. Then, the animals received CNP (25 μg/kg) or vehicle (saline) intravenously, followed byresuscitation with 1...
December 2, 2016: Amino Acids
https://www.readbyqxmd.com/read/27908189/thermoacoustic-imaging-of-rabbit-knee-joints
#2
Zihui Chi, Yuan Zhao, Lin Huang, Zhu Zheng, Huabei Jiang
PURPOSE: Knee joint is one of the largest and most complex joints of the body. Knee joint diseases are common, and current clinical imaging technologies such as x-ray computed tomography, magnetic resonance imaging, and ultrasound imaging have limitations in the diagnosis of knee joint diseases. Emerging imaging technologies such as diffuse optical tomography and photoacoustic imaging (PAI) have been applied to the detection of osteoarthritis (OA). However, they are limited to small joints such as the finger and difficult to be used for large joints such as the knee...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27895555/spike-timing-rigidity-is-maintained-in-bursting-neurons-under-pentobarbital-induced-anesthetic-conditions
#3
Risako Kato, Masanori Yamanaka, Eiko Yokota, Noriaki Koshikawa, Masayuki Kobayashi
Pentobarbital potentiates γ-aminobutyric acid (GABA)-mediated inhibitory synaptic transmission by prolonging the open time of GABAA receptors. However, it is unknown how pentobarbital regulates cortical neuronal activities via local circuits in vivo. To examine this question, we performed extracellular unit recording in rat insular cortex under awake and anesthetic conditions. Not a few studies apply time-rescaling theorem to detect the features of repetitive spike firing. Similar to these methods, we define an average spike interval locally in time using random matrix theory (RMT), which enables us to compare different activity states on a universal scale...
2016: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/27893511/continuous-infusion-antiepileptic-medications-for-refractory-status-epilepticus-a-review-for-nurses
#4
Adam L Wiss, Michael Samarin, Jacob Marler, G Morgan Jones
Status epilepticus requires treatment with emergent initial therapy with a benzodiazepine and urgent control therapy with an additional antiepileptic drug (AED) to terminate clinical and/or electrographic seizure activity. However, nearly one-third of patients will prove refractory to the aforementioned therapies and are prone to a higher degree of neuronal injury, resistance to pharmacotherapy, and death. Current guidelines for refractory status epilepticus (RSE) recommend initiating a continuous intravenous (CIV) anesthetic over bolus dosing with a different AED...
January 2017: Critical Care Nursing Quarterly
https://www.readbyqxmd.com/read/27882122/gan-dan-liang-yi-tang-alleviates-p-chlorophenylalanine-induced-insomnia-through-modification-of-the-serotonergic-and-immune-system
#5
Yuan Hu, Yu-Nin Wang, Gang-Qiang Zhang, Xian-Zhe Dong, Wan-Wan Liu, Ping Liu
Gan-Dan-Liang-Yi-Tang (GDLYT) is a Traditional Chinese Medicine that has been historically used for the treatment of insomnia. However, investigations into its pharmacological ingredients and the mechanism underlying its sedative and hypnotic effects remain limited. The present study reported the detailed mechanisms underlying the sedative and hypnotic effects of GDLYT. Kunming mice were administered GDLYT at various sub-hypnotic doses, which underwent sodium pentobarbital treatment test, pentetrazole induced convulsant studies and p-chlorophenylalanine (PCPA) induced insomnia model...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27851490/1855-pentobarbital-coma-for-rapid-withdrawal-and-detoxification
#6
Brenda Schiltz, Yves Ouellette
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851480/1845-pentobarbital-infusion-for-rapid-opioid-and-benzodiazepine-wean
#7
Dane Jacobson, Mihaela Damian
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850446/808-development-of-pneumonia-in-critically-ill-patients-treated-with-pentobarbital-coma
#8
Emily Hutchison, Timothy Ellender, Shannon Page, Ranjeet Singh, Laura Aykroyd
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27845242/neo-adjuvant-chemotherapy-with-cisplatin-induces-low-expression-of-nmda-receptors-and-postoperative-cognitive-impairment
#9
Jing Cheng, Xiaoqing Liu, Longhui Cao, Tianhua Zhang, Huiting Li, Wenqian Lin
Whether Neo-adjuvant chemotherapy can affect patients' postoperative brain function is not clear. In this study, we investigated the effect of preoperative cisplatin treatment on postoperative cognitive function and its possible mechanism in rats. Moreover, we also tested whether the NMDAR inhibitor memantine could attenuate cisplatin-induced alterations. 12-month-oldSprague-Dawley rats randomly received an intraperitoneal injection of either cisplatin once a week at a dose of 3mg/kg for three consecutive weeks or an equivalent volume of normal saline...
November 11, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27809820/effect-of-root-extracts-of-ficus-benghalensis-banyan-in-memory-anxiety-muscle-co-ordination-and-seizure-in-animal-models
#10
Dipesh Raj Panday, G P Rauniar
BACKGROUND: Ficus benghalensis L. (Banyan) is a commonly found tree in Eastern Nepal. Its different plant parts are used for various neurological ailments. This study was performed in mice to see its effects in various neuropharmacological parameters. METHODS: Passive-avoidance (memory), Open-field (anxiety), Pentobarbital-induced Sleep potentiation (sleep), Rota-rod (muscle-co-ordination), Pentylenetetrazol-Induced and Maximal Electroshock Seizure Tests were performed...
November 3, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27793852/acute-exposure-to-progesterone-attenuates-cardiac-contraction-by-modifying-myofilament-calcium-sensitivity-in-the-female-mouse-heart
#11
Hirad A Feridooni, Jennifer K MacDonald, Anjali Ghimire, W Glen Pyle, Susan E Howlett
Acute application of progesterone attenuates cardiac contraction, although the underlying mechanisms are unclear. We investigated whether progesterone modified contraction in isolated ventricular myocytes and identified the Ca(2+) handling mechanisms involved in female C57BL/6 mice (6-9 mos; sodium pentobarbital anesthesia). Cells were field-stimulated (4 Hz; 37°C) and exposed to progesterone (0.001-10.0 μM) or vehicle (35 mins). Ca(2+) transients (fura-2) and cell shortening were recorded simultaneously...
October 28, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27793773/gaba%C3%AF-selective-antagonist-tpmpa-partially-inhibits-gaba-mediated-currents-recorded-from-neurones-and-astrocytes-in-mouse-striatum
#12
Daniel Reyes-Haro, José Antonio Hernández-Santos, Ricardo Miledi, Ataúlfo Martínez-Torres
The neostriatum plays a central role in motor coordination where nerve cells operate neuronal inhibition through GABAergic transmission. The neostriatum expresses a wide range of GABA-A subunits, including GABAρ1 and ρ2 which are restricted to a fraction of GABAergic interneurons and astrocytes. Spontaneous postsynaptic currents (sPSCs) evoked by 4-aminopyridine (4-AP) were recorded from neurones of the dorsal neostriatum, and their frequency was reduced > 50% by the selective GABAρ antagonist (1,2,5,6-Tetrahydropyridine-4-yl) methylphosphinic acid (TPMPA)...
October 25, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27793438/time-course-of-the-effect-of-status-epilepticus-induced-in-the-developing-rat-on-%C3%AE-amino-butyric-acid-and-glutamate-cerebellar-concentration
#13
D Hernández-Martínez, L Rocha, J Martínez-Quiroz, C Morgado-Valle, J Manzo, M L López-Meraz
INTRODUCTION: Status epilepticus (SE) is an epileptic condition that can cause cerebellar atrophy and loss of Purkinje cells in both humans and research animals. Cerebellum is a region rich in γ-aminobutyric acid (GABA) and glutamate, and some studies have shown that their concentrations may be altered after convulsions. However, there are no studies showing the effect of seizures on different cerebellar regions in developing rats. Time course of the effect of status epilepticus induced in the developing rat on γ-amino butyric acid and glutamate cerebellar concentration...
October 25, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/27788823/isoflurane-an-ideal-anesthetic-for-rodent-orthotopic-liver-transplantation-surgery
#14
D Cao, Y Liu, J Li, J Gong
PURPOSE: Because the choice of anesthetic affects the rodent orthotopic liver transplantation (OLT) model, we compared the effects of isoflurane, ketamine, chloral hydrate, and pentobarbital on the OLT model. BASIC PROCEDURES: OLT was performed using the two-cuff technique. Two hundred male rats were randomly divided into five groups: control, isoflurane, ketamine, chloral hydrate, and pentobarbital groups. Rectal temperatures, respiratory rates, arterial blood values (pH, PaCO2, PaO2, and SatO2), liver function tests and histopathology, recovery times, and anhepatic stage mortality rates were assessed...
October 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27774429/preventive-potentials-of-piperlongumine-and-a-piper-longum-extract-against-stress-responses-and-pain
#15
Vaishali Yadav, Shyam Sunder Chatterjee, Muhammed Majeed, Vikas Kumar
AIM: To compare stress resistance increasing and analgesic activities of piperlongumine and a methanolic Piper longum fruit extract (PLE). METHODS: Efficacies of a single and repeated daily oral doses (1-256 mg/kg/day) of PLE, piperlongumine, and 50 mg/kg/day doxycycline against foot shock stress triggered alteration in body weights and core temperatures, and of their 11 daily doses on antidepressants like activity in tail suspension test and on pentobarbital induced sedation in male mice were compared...
October 2016: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/27771371/rem-sleep-disorder-following-general-anesthesia-in-rats
#16
Katarina Lazic, Jelena Petrovic, Jelena Ciric, Aleksandar Kalauzi, Jasna Saponjic
Postoperative sleep disorders, particularly the REM sleep disorder, may have a significant deleterious impact on postoperative outcomes and may contribute to the genesis of certain delayed postoperative complications. We have followed the effect of distinct anesthesia regimens (ketamine/diazepam vs. pentobarbital) over 6days following the induction of a stable anesthetized state in adult male Wistar rats, chronically instrumented for sleep recording. In order to compare the effect of both anesthetics in the physiological controls vs...
January 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/27737808/in-vivo-voltage-sensitive-dye-imaging-of-the-insular-cortex-in-nerve-injured-rats
#17
Jeongsoo Han, Myeounghoon Cha, Minjee Kwon, Seong-Karp Hong, Sun Joon Bai, Bae Hwan Lee
The insular cortex (IC) is a pain-related brain region that receives various types of sensory input and processes the emotional aspects of pain. The present study was conducted to investigate spatiotemporal patterns related to neuroplastic changes in the IC after nerve injury using voltage-sensitive dye imaging. The tibial and sural nerves of rats were injured under pentobarbital anesthesia. To observe optical signals in the IC, rats were re-anesthetized with urethane 7days after injury, and a craniectomy was performed to allow for optical imaging...
October 11, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27731822/effect-of-calcium-hypochlorite-and-chloramine-on-blood-biochemistry-and-sodium-pentobarbital-induced-sleeping-time-in-mice
#18
Sidra Ishaq, Muhammad Adil Rasheed, Muhammad Ashraf, Imran Altaf, Saima Rehmat, Ghulam Fatima
Disinfectants are chemical agents used to eradicate, deactivate or kill microorganisms. Chemical disinfectants especially chlorine compound are extensively used for water sanitization. Among these calcium hypochlorite and chloramines are commonly used now a day. Large number of chemical compounds, drugs and endogenous substances are metabolized by hepatic enzymes known as cytochrome P450 enzyme system. Many chemicals are capable of enzyme induction. Enzyme induction may change the metabolism of other drugs and endogenous substances which may alter the plasma concentration of these chemicals...
September 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27695621/observed-medical-and-surgical-complications-of-prolonged-barbiturate-coma-for-refractory-status-epilepticus
#19
Christopher R Newey, Dolora Wisco, Premkumar Nattanmai, Aarti Sarwal
BACKGROUND: Refractory status epilepticus is often treated with third-line therapy, such as pentobarbital coma. However, its use is limited by side effects. Recognizing and preventing major and minor adverse effects of prolonged pentobarbital coma may increase good outcomes. This study retrospectively reviewed direct and indirect medical and surgical pentobarbital coma. METHODS: Retrospective chart review of all patients with refractory status epilepticus treated with pentobarbital over a 1 year period at a large tertiary care center...
October 2016: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/27695258/in-vivo-study-on-depressant-effects-and-muscle-coordination-activity-of-galphimia-glauca-stem-methanol-extract
#20
Baba Shankar Rao Garige, Srisailam Keshetti, Uma Maheshwara Rao Vattikuti
BACKGROUND: Galphimia glauca is an evergreen shrub found across peninsular India, belonging to family Malpighiaceae. OBJECTIVE: The objective of this study was to assess the in vivo depressant effects and muscle coordination activity of G. glauca stem methanol extract (GGSME). MATERIALS AND METHODS: The stem methanol extract was administered in Swiss albino mice in 1 day to study the central nervous system (CNS) depressant and muscle coordination activity employing animal models such as sodium pentobarbital-induced sleep test, hole-board test, open field test, pentylenetetrazole (PTZ)-induced convulsions, picrotoxin-induced convulsions, grip strengthening test in mice, and Rota-rod test...
October 2016: Pharmacognosy Research
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