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https://www.readbyqxmd.com/read/27899527/biased-agonists-of-the-kappa-opioid-receptor-suppress-pain-and-itch-without-causing-sedation-or-dysphoria
#1
Tarsis F Brust, Jenny Morgenweck, Susy A Kim, Jamie H Rose, Jason L Locke, Cullen L Schmid, Lei Zhou, Edward L Stahl, Michael D Cameron, Sarah M Scarry, Jeffrey Aubé, Sara R Jones, Thomas J Martin, Laura M Bohn
Agonists targeting the kappa opioid receptor (KOR) have been promising therapeutic candidates because of their efficacy for treating intractable itch and relieving pain. Unlike typical opioid narcotics, KOR agonists do not produce euphoria or lead to respiratory suppression or overdose. However, they do produce dysphoria and sedation, side effects that have precluded their clinical development as therapeutics. KOR signaling can be fine-tuned to preferentially activate certain pathways over others, such that agonists can bias signaling so that the receptor signals through G proteins rather than other effectors such as βarrestin2...
November 29, 2016: Science Signaling
https://www.readbyqxmd.com/read/27867846/what-s-the-best-minimal-invasive-approach-to-pediatric-nephrectomy-and-heminephrectomy-conventional-laparoscopy-cl-single-site-less-or-robotics-ras
#2
REVIEW
Holger Till, Ali Basharkhah, Andras Hock
BACKGROUND: Conventional laparoscopy (CL) using 3-5 mm ports has become the goldstandard for pediatric nephrectomy (N), heminephrectomy (HN) and heminephrecto-ureterectomy (HNU) for many years now. Recently the spectrum of minimal invasive surgery (MIS) has been extended by variants like laparoendoscopic single-site surgery (LESS) or robot-assisted surgery (RAS). However such technical developments tend to drive surgical euphoria and feasibility studies, but may miss adequate academic research about function and proven patients' benefits...
October 2016: Translational pediatrics
https://www.readbyqxmd.com/read/27855148/notes-from-the-field-cardiac-dysrhythmias-after-loperamide-abuse-new-york-2008-2016
#3
William Eggleston, Jeanna M Marraffa, Christine M Stork, Maria Mercurio-Zappala, Mark K Su, Rachel S Wightman, Karen R Cummings, Joshua G Schier
Loperamide is an over-the-counter antidiarrheal with opioid-receptor agonist properties. Recommended over-the-counter doses (range = 2-8 mg daily) do not produce opioid effects in the central nervous system because of poor oral bioavailability and P-glycoprotein efflux* of the medication (1); recent reports suggest that large doses (50-300 mg) of loperamide produce euphoria, central nervous system depression, and cardiotoxicity (2-4). Abuse of loperamide for its euphoric effect or for self-treatment of opioid withdrawal is increasing (5)...
November 18, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27849505/a-prospective-observation-study-of-medical-toxicology-consultation-in-a-u-s-combat-theater
#4
Joseph K Maddry, Patrick C Ng, Daniel Sessions, Vikhyat S Bebarta
OBJECTIVES: Since 2001, U.S. military personnel and active duty, uniformed physicians providing medical support have been deployed to Afghanistan. Medical toxicologists are among the physicians deployed. There is a paucity of information present in the literature that has documented cases treated by toxicologists in theater. This prospective observational study describes 15 male patients treated in theater by a military medical toxicologist. METHODS: We performed a prospective observational study in which a medical toxicologist consulted and reported on deployed toxicology cases occurring during a 5-month deployment to Bagram, Afghanistan...
November 2016: Military Medicine
https://www.readbyqxmd.com/read/27834117/reward-salience-and-attentional-networks-are-activated-by-religious-experience-in-devout-mormons
#5
Michael A Ferguson, Jared A Nielsen, Jace B King, Li Dai, Danielle M Giangrasso, Rachel Holman, Julie R Korenberg, Jeffrey S Anderson
High-level cognitive and emotional experience arises from brain activity, but the specific brain substrates for religious and spiritual euphoria remain unclear. We demonstrate using fMRI scans in 19 devout Mormons that a recognizable feeling central to their devotional practice was reproducibly associated with activation in nucleus accumbens, ventromedial prefrontal cortex, and frontal attentional regions. Nucleus accumbens activation preceded peak spiritual feelings by 1-3 seconds and was replicated in 4 separate tasks...
November 11, 2016: Social Neuroscience
https://www.readbyqxmd.com/read/27812814/-robotics-in-the-operating-room-out-of-the-niche-into-widespread-application
#6
J Kirchberg, T Mees, J Weitz
In the last few years robotic surgery has progressed from being confined to a small niche to a widespread application in routine visceral surgery; however, evidence for superiority of robotic surgery compared to laparoscopy from randomized studies with a sufficient number of patients is still lacking in most fields of visceral surgery. For complex operations that necessitate an extensive reconstruction phase, such as pancreatectomy, gastrectomy and esophagectomy, there is a potential benefit for the permanent and justified use of robotic surgery...
December 2016: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/27759479/mdmb-chmica-availability-patterns-of-use-and-toxicity-associated-with-this-novel-psychoactive-substance
#7
Mark Haden, John R H Archer, Paul I Dargan, David M Wood
BACKGROUND: MDMB-CHMICA (methyl 2-[[1-(cyclohexylmethyl)indole-3-carbonyl]amino]-3,3-dimethylbutanoate) is a synthetic cannabinoid receptor agonist that has been detected in several recreational drug products in Europe since August 2014. OBJECTIVES: This article aims to describe the prevalence of use, availability, and desired and adverse effects of MDMB-CHMICA. METHODS: Data were collated from published scientific literature, and systematic searches were conducted of publically available Internet sources (the "gray literature"), including websites offering to sell MDMB-CHMICA and Internet discussion forums featuring user reports...
October 19, 2016: Substance Use & Misuse
https://www.readbyqxmd.com/read/27749964/internalizing-and-externalizing-personality-and-subjective-effects-in-a-sample-of-adolescent-cannabis-users
#8
Sara García-Sánchez, Josep Lluís Matalí, María Martín-Fernández, Marta Pardo, Maria Lleras, Carmina Castellano-Tejedor, Josep Maria Haro
Cannabis is the illicit substance most widely used by adolescents. Certain personality traits such as impulsivity and sensation seeking, and the subjective effects experienced after substance use (e.g. euphoria or relaxation) have been identified as some of the main etiological factors of consumption. This study aims to categorize a sample of adolescent cannabis users based on their most dominant personality traits (internalizing and externalizing profile). Then, to make a comparison of both profiles considering a set of variables related to consumption, clinical severity and subjective effects experienced...
October 6, 2016: Adicciones
https://www.readbyqxmd.com/read/27744024/time-varying-effects-of-psychological-distress-on-the-functional-recovery-of-stroke-patients
#9
Hui-Chuan Huang, Chien-Hung Chang, Chaur-Jong Hu, Meei-Ling Shyu, Chin-I Chen, Chih-Shan Huang, Hsiu-Ting Tsai, Hsiu-Ju Chang
OBJECTIVE: To explore the temporal effects of psychological distress on the functional recovery among stroke survivors. DESIGN: A longitudinal follow-up study. All participants were interviewed at 5 days after stroke onset, and at 1, 2, 3, and 6 months after discharge from acute care hospitals. SETTING: Neurology inpatient and outpatient departments and rehabilitation clinics. PARTICIPANTS: First-time stroke participants (N=62) without cognitive impairment, psychiatric disorders, or cancer were recruited...
October 12, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27738915/history-of-antibiotics-research
#10
Kathrin I Mohr
For thousands of years people were delivered helplessly to various kinds of infections, which often reached epidemic proportions and have cost the lives of millions of people. This is precisely the age since mankind has been thinking of infectious diseases and the question of their causes. However, due to a lack of knowledge, the search for strategies to fight, heal, and prevent the spread of communicable diseases was unsuccessful for a long time. It was not until the discovery of the healing effects of (antibiotic producing) molds, the first microscopic observations of microorganisms in the seventeenth century, the refutation of the abiogenesis theory, and the dissolution of the question "What is the nature of infectious diseases?" that the first milestones within the history of antibiotics research were set...
October 15, 2016: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/27709836/rapid-and-sensitive-determination-of-major-polyphenolic-components-in-euphoria-longana-lam-seeds-using-matrix-solid-phase-dispersion-extraction-and-uhplc-with-hybrid-linear-ion-trap-triple-quadrupole-mass-spectrometry
#11
Atul S Rathore, L Sathiyanarayanan, Shreekant Deshpande, Kakasaheb R Mahadik
A rapid and sensitive method for the extraction and determination of four major polyphenolic components in Euphoria longana Lam. seeds is presented for the first time based on matrix solid-phase dispersion extraction followed by ultra high performance liquid chromatography with hybrid triple quadrupole linear ion trap mass spectrometry. Matrix solid-phase dispersion method was designed for the extraction of Euphoria longana seed constituents and compared with microwave-assisted extraction and ultrasonic-assisted extraction methods...
October 5, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27681583/patterns-of-use-acute-subjective-experiences-and-motivations-for-using-synthetic-cathinones-bath-salts-in-recreational-users
#12
Lisham Ashrafioun, Francis A Bonadio, Kyoung Deok Baik, Stacey L Bradbury, Victoria L Carhart, Nicole A Cross, Alan K Davis, Margaret Feuille, Anna R Harper, Jennifer H Lackey, Brent Lang, Kirstin J Lauritsen, Jaclyn Leith, Lawrence A Osborn, Harold Rosenberg, Jacob Stock, Mariya Zaturenskaya
Given the variety and potential toxicity of synthetic cathinones, clinicians and educators would benefit from information about patterns of and motivations for use, frequency of psychosocial consequences, and experience of acute subjective effects. We administered a comprehensive, web-based survey to 104 recreational users of synthetic cathinones. Sixty percent of respondents consumed synthetic cathinones once or more per month, usually snorting or swallowing these drugs, typically at home, usually with others, customarily during the evening and nighttime hours, and often in combination with another drug such as alcohol or marijuana...
November 2016: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/27632159/neuropsychiatric-symptom-clusters-in-stroke-and-transient-ischemic-attack-by-cognitive-status-and-stroke-subtype-frequency-and-relationships-with-vascular-lesions-brain-atrophy-and-amyloid
#13
Adrian Wong, Alexander Y L Lau, Jie Yang, Zhaolu Wang, Wenyan Liu, Bonnie Y K Lam, Lisa Au, Lin Shi, Defeng Wang, Winnie C W Chu, Yun-Yun Xiong, Eugene S K Lo, Lorraine S N Law, Thomas W H Leung, Linda C W Lam, Anne Y Y Chan, Yannie O Y Soo, Eric Y L Leung, Lawrence K S Wong, Vincent C T Mok
BACKGROUND: The objectives of this study are 1) to examine the frequencies of neuropsychiatric symptom clusters in patients with stroke or transient ischemic attack (TIA) by cognitive level and stroke subtype; and 2) to evaluate effect of demographic, clinical, and neuroimaging measures of chronic brain changes and amyloid upon neuropsychiatric symptom clusters. METHODS: Hospital-based, cross-sectional study. 518 patients were administered the Neuropsychiatric Inventory (NPI) 3-6 months post index admission...
2016: PloS One
https://www.readbyqxmd.com/read/27626479/metabolism-and-pharmacokinetics-of-morphine-in-neonates-a-review
#14
Gian Maria Pacifici
Morphine is an agonist of the µ and k receptors, whose activation results in analgesia. Morphine-like agonists act through the µ opioid receptors to cause pain relief, sedation, euphoria and respiratory depression. Morphine is glucuronidated and sulfated at positions 3 and 6; the plasma concentration ratios correlate positively with birth weight, which probably reflects increased liver weight with increasing birth weight. Moreover, morphine clearance correlates positively with gestational age and birth weight...
August 2016: Clinics
https://www.readbyqxmd.com/read/27623834/-cocaine-characteristics-and-addiction
#15
REVIEW
Katarzyna Girczys-Połedniok, Robert Pudlo, Magdalena Jarząb, Agnieszka Szymlak
Cocaine use leads to health, social and legal problems. The aim of this paper is to discuss cocaine action, addicts characteristics, use patterns and consequences, as well as addiction treatment methods. A literature review was based on the Medline, PubMed, Polish Medical Bibliography databases and the Silesian Library resources. The Police and Central Statistical Office statistics, as well as the World Health Organization, the European Monitoring Centre for Drugs and Drug Addiction and the National Office for Combating Drug Addiction reports were used...
2016: Medycyna Pracy
https://www.readbyqxmd.com/read/27623026/caregiver-s-distress-related-to-the-patient-s-neuropsychiatric-symptoms-as-a-function-of-the-care-setting
#16
Laura Lorenzo-López, Carmen de Labra, Ana Maseda, Trinidad Lorenzo, Helena Agrafojo, José Luis Rodríguez-Villamil, Isabel González-Abraldes, José C Millán-Calenti
Prevalence of neuropsychiatric symptoms (NPS) and correlation between its intensity and caregiver distress were evaluated as a function of the care-setting in a cross-sectional study including 72 patient-caregiver dyads. The Neuropsychiatric Inventory and the Caregiver Distress Scale were administered. The most prevalent symptoms were: in the formal care-setting, agitation/aggression and depression/dysphoria (42.4%), and in the informal care-setting, aberrant motor behavior (59.0%). While changes in appetite and eating behaviors, depression/dysphoria and irritability/lability were more prevalent in the formal care-setting (p < ...
September 9, 2016: Geriatric Nursing
https://www.readbyqxmd.com/read/27616032/isolation-and-in-vitro-permeation-of-phenylpropylamino-alkaloids-from-khat-catha-edulis-across-oral-and-intestinal-mucosal-tissues
#17
Minaleshewa Atlabachew, Sandra Combrinck, Alvaro M Viljoen, Josias H Hamman, Chrisna Gouws
ETHNOPHARMACOLOGICAL RELEVANCE: Khat, the leaves of Catha edulis, is used as a "natural amphetamine-like" stimulant in eastern and southern Africa, as well as in the Arabian Peninsula. Leaves are masticated to elicit a state of euphoria. Although the psychostimulatory effects of the leaves are attributed to the presence of phenylpropylamino alkaloids (i.e. cathinone, cathine and norephedrine) the extent of permeation of these alkaloids across the oral and intestinal mucosa has not been established...
September 8, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27586539/the-discriminative-stimulus-properties-of-hallucinogenic-and-dissociative-anesthetic-drugs
#18
Tomohisa Mori, Tsutomu Suzuki
The subjective effects of drugs are related to the kinds of feelings they produce, such as euphoria or dysphoria. One of the methods that can be used to study these effects is the drug discrimination procedure. Many researchers have been trying to elucidate the mechanisms that underlie the discriminative stimulus properties of abused drugs (e.g., alcohol, psychostimulants, and opioids). Over the past two decades, patterns of drug abuse have changed, so that club/recreational drugs such as phencyclidine (PCP), 3,4-methylenedioxymethamphetamine (MDMA), ketamine, and cannabinoid, which induce perceptual distortions, like hallucinations, are now more commonly abused, especially in younger generations...
September 2, 2016: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/27553719/first-record-of-euphoria-lurida-fabricius-coleoptera-scarabaeidae-injurious-to-safflower-carthamus-tinctorius-l-asterales-asteraceae-in-brazil
#19
H G Androcioli, A T Hoshino, M A Pastório, P C Cardoso, P M de Araújo, T A P Fernandes, A O Menezes
We present the first report on Euphoria lurida (Fabricius) (Coleoptera: Scarabaeidae) infestation on safflower (Carthamus tinctorius L.), a crop of industrial and medicinal importance. Between September and October 2013-2015 in Paraná State, we observed E. lurida adults feeding on safflower plants from the inception of flower head formation onwards, over an area of approximately 400 m(2). Losses in the productivity of infested plants were estimated between 15 and 50%. The damage was characterized by perforations in the upper portion and at the base of the developing flower heads or open flowers, resulting in withering and abortion of the reproductive structures...
August 23, 2016: Neotropical Entomology
https://www.readbyqxmd.com/read/27549005/-methaemoglobinaemia-induced-by-ingestion-of-alkyl-nitrite-poppers
#20
Celina Thelberg Kragsfeldt, Christoffer B Nissen, Frans Brandt
We present a case report of an 18-year-old male who was referred to the emergency department with evidence of methaemoglobinaemia. He presented with classic symptoms with peripheral cyanosis and hypoxia. Arterial blood gas showed a methaemoglobin level of 36%. This was caused by ingestion of alkyl nitrate, a widespread party drug called "poppers". When inhaled it causes euphoria, reduced pain and relaxation of the anal sphincter, but oral use may induce life-threatening methaemoglobinaemia. The treatment of choice is the antidote methylene blue...
August 22, 2016: Ugeskrift for Laeger
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