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Acute alcohol withdrawal

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https://www.readbyqxmd.com/read/29689295/behavioral-and-biochemical-effects-of-ethanol-withdrawal-in-zebrafish
#1
Suianny Nayara da Silva Chaves, Gabriel Felício Rocha, Bruna Patrícia Dutra Costa, Witallo Etevaldo Araújo de Oliveira, Monica Gomes Lima, Diógenes Henrique de Siqueira Silva, Caio Maximino
Chronic alcohol use induces adaptations and toxicity that can induce symptoms of anxiety, autonomic hyperarousal, and epileptic seizures when alcohol is removed (withdrawal syndrome). Zebrafish has recently gained wide attention as a behavioral model to study the neurobehavioral effects of acute and chronic alcohol use, including withdrawal. The literature, however, is very contradictory on findings regarding withdrawal effects, with some studies reporting increased anxiety, while others report no effect. A meta-analytic approach was taken to find the sources of this heterogeneity, and ethanol concentration during exposure and exposure duration were found to be the main sources of variation...
April 21, 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29676057/the-effects-of-acute-alcohol-withdrawal-on-sleep
#2
Christopher J Hodges, Rowan P Ogeil, Dan I Lubman
OBJECTIVES: Although sleep disturbances are prominent during alcohol withdrawal, less is known about the specific components of sleep that are disturbed prior to and during acute detoxification. This study aimed to determine whether specific sleep components are affected prior to and during acute detoxification and their relationship to psychological distress. METHODS: Twenty-nine participants were recruited from a residential detoxification service in Melbourne, Australia, and completed both subjective methods of sleep and distress, in addition to wearing an actigraphy device...
April 20, 2018: Human Psychopharmacology
https://www.readbyqxmd.com/read/29617711/predictors-of-alcohol-withdrawal-readmissions
#3
Siva Harsha Yedlapati, Scott H Stewart
Aims: Hospital readmissions serve as a major benchmark for the quality of care and alcohol withdrawal (AW) may lead to multiple hospitalizations and readmissions. We sought to evaluate readmission rates and predictors of having AW-related readmissions in a nationally representative sample. Short summary: In a nationally representative sample, AW readmission within 30 days and multiple readmissions during the year were high and were particularly predicted by discharge against medical advice (AMA), comorbid psychosis, comorbid depression, poor socioeconomic status, comorbid drug abuse and alcohol-related medical disease...
March 30, 2018: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/29572015/differential-effects-of-single-versus-repeated-minocycline-administration-lack-of-significant-interaction-with-chronic-alcohol-history
#4
Kathryn M Harper, Darin J Knapp, Meredith A Park, George R Breese
Neuroimmune cytokines are increased with alcohol withdrawal and may mediate clinical responses associated with alcoholism. Because minocycline regulates the level of cytokines, it has been suggested as a therapeutic for disorders associated with alcohol. Male Wistar rats were exposed to chronic intermittent alcohol (CIA) comprising three 5-day cycles of ethanol liquid diet separated by 2 days of withdrawal. Rats were tested on social interaction, a measure of anxiety-like behavior, followed immediately by collection of amygdala tissue to measure CCL2 and TNFα or collection of the blood to measure corticosterone (CORT)...
March 20, 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29556175/ventral-tegmental-area-gaba-neurons-are-resistant-to-gaba-a-receptor-mediated-inhibition-during-ethanol-withdrawal
#5
Ashley C Nelson, Stephanie B Williams, Stephanie S Pistorius, Hyun J Park, Taylor J Woodward, Andrew J Payne, J Daniel Obray, Samuel I Shin, Jennifer K Mabey, Scott C Steffensen
The neural mechanisms underlying alcohol dependence are not well-understood. GABAergic neurons in the ventral tegmental area (VTA) are a relevant target for ethanol. They are inhibited by ethanol at physiologically-relevant levels in vivo and display marked hyperexcitability during withdrawal. In the present study, we examined the effects of the GABA(A) receptor agonist muscimol on VTA neurons ex vivo following withdrawal from acute and chronic ethanol exposure. We used standard cell-attached mode electrophysiology in the slice preparation to evaluate the effects of muscimol on VTA GABA neuron firing rate following exposure to acute and chronic ethanol in male CD-1 GAD-67 GFP mice...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29549852/elevated-monoamine-oxidase-a-activity-and-protein-levels-in-rodent-brain-during-acute-withdrawal-after-chronic-intermittent-ethanol-vapor-exposure
#6
Brittany A Matthews, Junchao Tong, Sophia Attwells, Xin Xu, Anh Le, Stephen J Kish, Jeffrey H Meyer
BACKGROUND: A key component of alcohol dependence (AD), a severe form of alcohol use disorder, is the negative emotional state during withdrawal. Monoamine oxidase A (MAO-A) is an important enzyme that metabolizes monoamines and creates oxidative stress. Elevations in MAO-A level, especially in the prefrontal and anterior cingulate cortex (PFC and ACC), are associated with low mood states, including the dysphoria of early alcohol withdrawal in humans. The aim of the present study was to determine whether chronic alcohol vapor exposure causes an upregulation of MAO-A activity or level in the PFC and ACC of rodents during acute withdrawal...
February 5, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29520058/histone-deacetylases-mediate-gaba-a-receptor-expression-physiology-and-behavioral-maladaptations-in-rat-models-of-alcohol-dependence
#7
John Peyton Bohnsack, Benjamin A Hughes, Todd K O'Buckley, Kamyra Edokpolor, Joyce Besheer, A Leslie Morrow
Alcohol use disorders are chronic debilitating diseases characterized by severe withdrawal symptoms that contribute to morbidity and relapse. GABAA receptor (GABAA R) adaptations have long been implicated in the chronic effects of alcohol and contribute to many withdrawal symptoms associated with alcohol dependence. In rodents, GABAA R hypofunction results from decreases in Gabra1 expression, although the underlying mechanism controlling Gabra1 expression after chronic ethanol exposure is still unknown. We found that chronic ethanol exposure using either ethanol gavage or two-bottle choice voluntary access paradigms decreased Gabra1 expression and increased Hdac2 and Hdac3 expression...
February 27, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29517626/weekend-effect-in-acute-pancreatitis-related-hospital-admissions-in-the-united-states-an-analysis-of-the-nationwide-inpatient-sample
#8
Prabin Sharma, Rodrigo Aguilar, Mark Abi Nader, Shaheryar Siddiqui, Ramkaji Baniya, Sanjeeb Sudarshan Bhandari, Carmen Elena Cervantes, Ricardo Correa, Amir Masoud
OBJECTIVE: This study aimed to assess the difference in overall outcomes between weekend admissions for acute pancreatitis (AP) and weekday admissions. METHODS: Between 2005 and 2012, data were extracted from the Nationwide Inpatient Sample on adult patients with AP. Exclusion criteria were applied for chronic pancreatitis and other pancreatic and biliary malignancies. In-hospital mortality, length of stay, hospitalization costs, comorbidities, complications, and intervention rates were compared between the weekend and weekday admissions...
April 2018: Pancreas
https://www.readbyqxmd.com/read/29506915/current-practice-in-provision-of-alcohol-assessment-and-support-for-patients-following-alcohol-related-facial-fractures
#9
Kai H Lee, Michael Qiu, Jiandong Sun
OBJECTIVES: The algorithm for maxillofacial trauma management is well defined; however, provision of alcohol assessment for patients after trauma is not widely practiced. This study aims to investigate the rate of alcohol assessment achieved within the demographic characteristics of patients with facial trauma and the circumstances where this intervention was implemented. STUDY DESIGN: This study retrospectively examined the Victorian Admitted Episodes Data Set (VAED) from 2004 to 2013...
February 1, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29493462/minocycline-in-alcohol-withdrawal-induced-anxiety-and-alcohol-relapse-in-rats
#10
Snehalata V Gajbhiye, Raakhi K Tripathi, Anup Uttam Petare, Anirudha Vyankatesh Potey, Arun Shankar
INTRODUCTION: Anxiety and negative sensations due to alcohol withdrawal are factors leading to alcohol relapse and addiction. Minocycline, an antibiotic, can decrease alcohol consumption in rats, however, its effects on alcohol withdrawal anxiety and relapse have not been studied. MATERIAL AND METHODS: Part 1: Forced alcohol drinking in gradually increasing concentration was administered till day 22 in rats. Effect of drugs on anxiety was assessed using elevated plus maze (EPM) and two chambered box apparatus, after removal of alcohol...
February 27, 2018: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/29463912/preclinical-evaluation-of-the-kappa-opioid-receptor-antagonist-cerc-501-as-a-candidate-therapeutic-for-alcohol-use-disorders
#11
E Domi, E Barbier, E Augier, G Augier, D Gehlert, R Barchiesi, A Thorsell, L Holm, M Heilig
Prior work suggests a role of kappa-opioid signaling in the control of alcohol drinking, in particular when drinking is escalated due to alcohol-induced long-term neuroadaptations. Here, we examined the small molecule selective kappa antagonist CERC-501 in rat models of alcohol-related behaviors, with the objective to evaluate its potential as a candidate therapeutic for alcohol use disorders. We first tested the effect of CERC-501 on acute alcohol withdrawal-induced anxiety-like behavior. CERC-501 was then tested on basal as well as escalated alcohol self-administration induced by 20% alcohol intermittent access...
February 5, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29460153/gaba-and-glutamate-synaptic-coadaptations-to-chronic-ethanol-in-the-striatum
#12
Verginia C Cuzon Carlson
Alcohol (ethanol) is a widely used and abused drug with approximately 90% of adults over the age of 18 consuming alcohol at some point in their lifetime. Alcohol exerts its actions through multiple neurotransmitter systems within the brain, most notably the GABAergic and glutamatergic systems. Alcohol's actions on GABAergic and glutamatergic neurotransmission have been suggested to underlie the acute behavioral effects of ethanol. The striatum is the primary input nucleus of the basal ganglia that plays a role in motor and reward systems...
February 20, 2018: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/29452722/traumatic-lingual-hematoma-resulting-in-bilateral-temporal-mandibular-joint-dislocations
#13
Dhara P Amin, Michael N Cooper, Kim I Newton
BACKGROUND: Lingual hematoma (LH) is a relatively uncommon entity seen after both medical and traumatic etiologies. Regardless of the cause, the feared complication is acute airway obstruction. CASE REPORT: Our case involves a 39-year-old man who presented to the Emergency Department via emergency medical services with an enlarging LH after an unwitnessed fall, suspected to be an alcohol withdrawal seizure. The bleeding was likely exacerbated by previously undiagnosed thrombocytopenia...
February 13, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29417604/effects-of-alcohol-on-the-brain-in-cirrhosis-beyond-hepatic-encephalopathy
#14
Brian C Davis, Jasmohan S Bajaj
Recent advances have led to a greater understanding of how alcohol alters the brain, both in acute stages (intoxication and alcohol withdrawal) and in chronic misuse. This review focuses on the current understanding of how alcohol affects the brain in cirrhosis patients with and without hepatic encephalopathy. Chronic alcohol use is associated with nutritional deficiencies, dementia, cirrhosis, and decompensating events such as hepatic encephalopathy. Direct toxicity on brain tissue, induction of neuro-inflammation, and alcohol's alterations of the gut microbiome are possible mechanisms for the clinical features of hepatic encephalopathy associated with alcohol use...
February 8, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29396480/beneficial-effects-of-low-alcohol-exposure-but-adverse-effects-of-high-alcohol-intake-on-glymphatic-function
#15
Iben Lundgaard, Wei Wang, Allison Eberhardt, Hanna Sophia Vinitsky, Benjamin Cameron Reeves, Sisi Peng, Nanhong Lou, Rashad Hussain, Maiken Nedergaard
Prolonged intake of excessive amounts of ethanol is known to have adverse effects on the central nervous system (CNS). Here we investigated the effects of acute and chronic ethanol exposure and withdrawal from chronic ethanol exposure on glymphatic function, which is a brain-wide metabolite clearance system connected to the peripheral lymphatic system. Acute and chronic exposure to 1.5 g/kg (binge level) ethanol dramatically suppressed glymphatic function in awake mice. Chronic exposure to 1.5 g/kg ethanol increased GFAP expression and induced mislocation of the astrocyte-specific water channel aquaporin 4 (AQP4), but decreased the levels of several cytokines...
February 2, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29392569/assessing-propylene-glycol-toxicity-in-alcohol-withdrawal-patients-receiving-intravenous-benzodiazepines-a-one-compartment-pharmacokinetic-model
#16
Ashley Jahn, Charlie Bodreau, Kate Farthing, Fawzy Elbarbry
BACKGROUND AND OBJECTIVES: While some case reports indicate that high doses of propylene glycol (PG) may result in metabolic acidosis, there has been no large-scale study that evaluated the risk of metabolic acidosis in patients receiving PG-containing benzodiazepines for acute alcohol withdrawal. This study was undertaken to evaluate the potential toxicity of PG in patients with acute alcohol withdrawal treated with intermittent intravenous bolus doses of diazepam and/or lorazepam. METHODS: This is a retrospective case study using data collected from 18 randomly selected patients receiving one or both of these medications per a modified Clinical Institute Withdrawal Assessment for Alcohol (CIWA) Class 3 protocol...
February 1, 2018: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/29383684/dynorphin-and-%C3%AE%C2%BA-opioid-receptor-dysregulation-in-the-dopaminergic-reward-system-of-human-alcoholics
#17
Igor Bazov, Daniil Sarkisyan, Olga Kononenko, Hiroyuki Watanabe, Tatiana Yakovleva, Anita C Hansson, Wolfgang H Sommer, Rainer Spanagel, Georgy Bakalkin
Molecular changes induced by excessive alcohol consumption may underlie formation of dysphoric state during acute and protracted alcohol withdrawal which leads to craving and relapse. A main molecular addiction hypothesis is that the upregulation of the dynorphin (DYN)/κ-opioid receptor (KOR) system in the nucleus accumbens (NAc) of alcohol-dependent individuals causes the imbalance in activity of D1- and D2 dopamine receptor (DR) expressing neural circuits that results in dysphoria. We here analyzed post-mortem NAc samples of human alcoholics to assess changes in prodynorphin (PDYN) and KOR (OPRK1) gene expression and co-expression (transcriptionally coordinated) patterns...
January 30, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29378212/systemic-blockade-of-lpa-1-3-lysophosphatidic-acid-receptors-by-ki16425-modulates-the-effects-of-ethanol-on-the-brain-and-behavior
#18
Laura Sánchez-Marín, David Ladrón de Guevara-Miranda, M Carmen Mañas-Padilla, Francisco Alén, Román D Moreno-Fernández, Caridad Díaz-Navarro, José Pérez-Del Palacio, María García-Fernández, Carmen Pedraza, Francisco J Pavón, Fernando Rodríguez de Fonseca, Luis J Santín, Antonia Serrano, Estela Castilla-Ortega
The systemic administration of lysophosphatidic acid (LPA) LPA1/3 receptor antagonists is a promising clinical tool for cancer, sclerosis and fibrosis-related diseases. Since LPA1 receptor-null mice engage in increased ethanol consumption, we evaluated the effects of systemic administration of an LPA1/3 receptor antagonist (intraperitoneal ki16425, 20 mg/kg) on ethanol-related behaviors as well as on brain and plasma correlates. Acute administration of ki16425 reduced motivation for ethanol but not for saccharine in ethanol self-administering Wistar rats...
May 1, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29374836/corticotropin-releasing-factor-crf-neurocircuitry-and-neuropharmacology-in-alcohol-drinking
#19
Allyson L Schreiber, Nicholas W Gilpin
Alcohol use is pervasive in the United States. In the transition from nonhazardous drinking to hazardous drinking and alcohol use disorder, neuroadaptations occur within brain reward and brain stress systems. One brain signaling system that has received much attention in animal models of excessive alcohol drinking and alcohol dependence is corticotropin-releasing factor (CRF). The CRF system is composed of CRF, the urocortins, CRF-binding protein, and two receptors - CRF type 1 and CRF type 2. This review summarizes how acute, binge, and chronic alcohol dysregulates CRF signaling in hypothalamic and extra-hypothalamic brain regions and how this dysregulation may contribute to changes in alcohol reinforcement, excessive alcohol consumption, symptoms of negative affect during withdrawal, and alcohol relapse...
January 28, 2018: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/29359282/-health-care-organization-the-new-german-s3-guideline-on-alcohol-related-disorders-and-its-relevance-for-health-care
#20
Arthur Günthner, Volker Weissinger, Heribert Fleischmann, Clemens Veltrup, Bettina Jäpel, Gerhard Längle, Klaus Amann, Eva Hoch, Karl Mann
BACKGROUND: Alcohol dependence is one of the most serious diseases of addiction in Germany. The new S3-guideline "Screening, Diagnostics and Treatment of Alcohol-Related Disorders" has been presented in 2015 and summarizes the present state of knowledge pertaining to the diagnosis and treatment of alcohol abuse and alcohol dependence. METHODS: This guideline was developed over four years within the framework of the Association of the Scientific Medical Societies in Germany (AWMF)...
January 22, 2018: Die Rehabilitation
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