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https://www.readbyqxmd.com/read/29332813/fast-and-easy-extraction-of-antidepressants-from-whole-blood-using-ionic-liquids-as-extraction-solvent
#1
Marieke De Boeck, Lisa Dubrulle, Wim Dehaen, Jan Tytgat, Eva Cuypers
This study aims to prove that ionic liquids (ILs) can be used as extraction solvents in a liquid-liquid microextraction, coupled to LC-MS/MS, for the quantification of a large group of antidepressants in whole blood samples. The sample preparation procedure consisted of adding 1.0mL aqueous buffer pH 3.0 and 60µL of IL (1-butyl-3-methylimidazolium hexafluorophosphate) to 1.0mL whole blood. Subsequently, a 5-min rotary mixing step was performed followed by centrifugation. The lower IL phase was collected, diluted 1:10 in methanol and 10µL was injected into the LC-MS/MS...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29331713/repeated-attempted-homicide-by-administration-of-drugs-documented-by-hair-analysis
#2
Valérie Baillif-Couniou, Christophe Bartoli, Caroline Sastre, Marjorie Chèze, Marc Deveaux, Georges Léonetti, Anne-Laure Pélissier-Alicot
Attempted murder by repeated poisoning is quite rare. The authors describe the case of a 62-year-old man who was admitted to an intensive care unit (ICU) for neurological disturbances complicated by inhalation pneumopathy. He presented a loss of consciousness while his wife was visiting him at the ICU (H0). Forty-eight hours later (H48), police officers apprehended the patient's wife pouring a liquid into his fruit salad at the hospital. Toxicological analyses of a blood sample and the infusion equipment (H0), as well as the fruit salad and its container (H48), confirmed the attempted poisoning with cyamemazine (H0) and hydrochloric acid (H48)...
January 5, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29311736/continuing-medical-education-questions-january-2018-prophylactic-therapy-of-cyclic-vomiting-syndrome-in-children-comparison-of-amitriptyline-and-cyproheptadine-a-randomized-clinical-trial
#3
https://www.readbyqxmd.com/read/29310115/serotonin-transporter-gene-slc6a4-polymorphism-may-be-associated-with-chinese-globus-pharyngeus-and-its-antidepressant-effects
#4
Yao Liu, Lin Jia, Shu-Man Jiang, Dong-Yun Chen, Jiang-Shun Song, Jian Xu
BACKGROUND: Although globus pharyngeus is not rare in clinical practice, little is known about its associated gene polymorphism. We investigated the association between the SLC6A4 polymorphism and globus pharyngeus and its response to treatment with antidepressants. METHODS: A total of 84 patients were diagnosed with globus pharyngeus according to Rome III, and 160 healthy controls were genotyped for the SLC6A4 polymorphism using polymerase chain reaction amplification and agarose gel electrophoresis...
January 8, 2018: Digestion
https://www.readbyqxmd.com/read/29289864/the-fate-and-risk-assessment-of-psychiatric-pharmaceuticals-from-psychiatric-hospital-effluent
#5
Jiajia Xiang, Minghong Wu, Jianqiu Lei, Chao Fu, Jianzhong Gu, Gang Xu
Psychiatric pharmaceuticals are gaining public attention because of increasing reports of their occurrence in environment and their potential impact on ecosystems and human health. This work studied the occurrence and fate of 15 selected psychiatric pharmaceuticals from 3 psychiatric hospitals effluent in Shanghai and investigated the effect of hospitals effluent on surface water, groundwater, soil and plant. Amitriptyline (83.57ng) and lorazepam (22.26ng) showed the highest concentration and were found frequently in hospital effluent...
December 28, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29275494/differences-in-pediatric-headache-prescription-patterns-by-diagnosis
#6
Jonathan Rabner, Allison Ludwick, Alyssa LeBel
BACKGROUND: Few studies have reported prescription patterns for headache medication. OBJECTIVE: The aim was to present the rates of specific medication prescribed to pediatric patients diagnosed with migraine, tension-type headache (TTH), and new daily persistent headache (NDPH), as well as differences in those prescription patterns by diagnosis, age, and gender. PATIENTS AND METHODS: A query using the i2b2 platform yielded 14,591 patients [migraine 10,547 (72...
December 23, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/29246268/sleep-related-orgasms-in-a-57-year-old-woman-a-case-report
#7
Muna Irfan, Carlos H Schenck
We report a case of problematic spontaneous orgasms during sleep in a 57-year-old woman who also complained of hypnic jerks and symptoms of exploding head syndrome. To our knowledge, this is the first case report in the English language literature of problematic spontaneous orgasms during sleep. She had a complex medical and psychiatric history, and was taking oxycontin, venlafaxine, amitriptyline, and lurasidone. Prolonged video electroencephalogram monitoring did not record any ictal or interictal electroencephalogram discharges, and nocturnal video polysomnography monitoring did not record any behavioral or orgasmic event...
December 13, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29241263/systematic-review-of-oral-therapy-for-the-treatment-of-symptoms-of-bladder-pain-syndrome-the-brazilian-guidelines
#8
Thaís Guimarães Dos Santos, Isabela Albuquerque Severo de Miranda, Christiana Campani Nygaard, Lucas Schreiner, Rodrigo de Aquino Castro, Jorge Milhen Haddad
Interstitial cystitis (IC), including bladder pain syndrome (BPS), is a chronic and debilitating disease that mainly affects women. It is characterized by pelvic pain associated with urinary urgency, frequency, nocturia and negative urine culture, with normal cytology. In 2009, the Society for Urodynamics and Female Urology (SUFU) defined the term IC/BPS as "an unpleasant sensation (pain, pressure, and discomfort) perceived to be related to the urinary bladder, associated with lower urinary tract symptoms for more than 6 weeks duration, in the absence of infection or other identifiable causes...
December 14, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29239964/superior-efficacy-of-lipid-emulsion-infusion-over-serum-alkalinization-in-reversing-amitriptyline-induced-cardiotoxicity-in-guinea-pig
#9
Shogo Tsujikawa, Tadashi Matsuura, Kotaro Hori, Takashi Mori, Miyuki Kuno, Kiyonobu Nishikawa
BACKGROUND: Tricyclic antidepressants (TCAs) are a major cause of fatal drug poisoning due to their cardiotoxicity. Alkalinization by sodium bicarbonate (NaHCO3) administration, the first-line therapy for TCA-induced cardiotoxicity, can occasionally yield insufficient efficacy in severe cases. Because most TCAs are highly lipophilic, lipid emulsion may be more effective than alkalinization. However, it remains to be determined whether lipid emulsion is more beneficial than alkalinization in reversing amitriptyline-induced cardiotoxicity...
December 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29233021/amitriptyline-modulated-ca2-signaling-and-induced-ca2-independent-cell-viability-in-human-osteosarcoma-cells
#10
T Lu, C-T Chou, W-Z Liang, C-C Kuo, I-L Chen, J-L Wang, C-R Jan
Amitriptyline is a widely used tricyclic antidepressant, which acts primarily as a serotonin-norepinephrine reuptake inhibitor. This study examined the effect of amitriptyline on Ca2+ homeostasis and its related mechanism in MG63 human osteosarcoma cells. Amitriptyline evoked cytosolic-free Ca2+ concentrations ([Ca2+]i) rises concentration dependently. Amitriptyline-evoked Ca2+ entry was confirmed by Mn2+-induced quench of fura-2 fluorescence. This entry was inhibited by Ca2+ entry modulators nifedipine, econazole, SKF96365, the protein kinase C (PKC) activator phorbol 12-myristate 13 acetate but was not affected by the PKC inhibitor GF109203X...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29230398/insulin-signaling-deficiency-produces-immobility-in-caenorhabditis-elegans-that-models-diminished-motivation-states-in-man-and-responds-to-antidepressants
#11
Julie Dagenhardt, Angeline Trinh, Halen Sumner, Jeffrey Scott, Eric Aamodt, Donard S Dwyer
Defects in insulin signaling have been reported in schizophrenia and major depressive disorder, which also share certain negative symptoms such as avolition, anhedonia, and apathy. These symptoms reflect diminished motivational states, which have been modeled in rodents as increased immobility in the forced swimming test. We have discovered that loss-of-function mutations in the insulin receptor (daf-2) and syntaxin (unc-64) genes in Caenorhabditis elegans, brief food deprivation, and exposure to DMSO produce immobility and avolition in non-dauer adults...
November 2017: Molecular Neuropsychiatry
https://www.readbyqxmd.com/read/29227273/-poisoning-by-psychopharmacological-drugs-in-azerbaijan-the-results-of-8-year-prospective-observation
#12
I Afandiyev, V Azizov
Acute poisoning of chemical etiology is a significant global public health problem. The aim of this study was the analysis of the toxicoepidemiological structure of psychopharmacological drugs poisoning in Azerbaijan. We collected and analyzed the data on all cases of acute poisoning by psychopharmacological drugs (codes of categories T42/T43 ICD-10) undergoing inpatient treatment at the Center of Clinical Toxicology in Baku, Azerbaijan in 2009-2016. The total number of patients with acute intoxication by psychopharmacological drugs was 3,413, which was 48...
November 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29223273/a-79-year-old-woman-with-dyspnea-and-hypoxemia-that-worsened-in-an-upright-position
#13
Tjeerd van der Veer, Johannes C C M In 't Veen, Wijnand K den Dekker, Jelle Miedema
A 79-year-old woman presented to the ED with complaints of gradually worsening exertional dyspnea, dizziness, and chest discomfort. For several weeks she had not been able to perform light household work. The patient's medical history mentioned pulmonary embolism following immobilization (2012), several fractures after trauma, an ischemic cerebral vascular accident (2014), and curative treatment for breast cancer (1995). Her current medication included esomeprazole, clopidogrel, simvastatin, calcium/vitamin D, amitriptyline, and acetaminophen...
December 2017: Chest
https://www.readbyqxmd.com/read/29214532/qualitative-and-quantitative-temporal-analysis-of-licit-and-illicit-drugs-in-wastewater-in-australia-using-liquid-chromatography-coupled-to-mass-spectrometry
#14
Richard Bade, Jason M White, Cobus Gerber
The combination of qualitative and quantitative bimonthly analysis of pharmaceuticals and illicit drugs using liquid chromatography coupled to mass spectrometry is presented. A liquid chromatography-quadrupole time of flight instrument equipped with Sequential Window Acquisition of all THeoretical fragment-ion spectra (SWATH) was used to qualitatively screen 346 compounds in influent wastewater from two wastewater treatment plants in South Australia over a 14-month period. A total of 100 compounds were confirmed and/or detected using this strategy, with 61 confirmed in all samples including antidepressants (amitriptyline, dothiepin, doxepin), antipsychotics (amisulpride, clozapine), illicit drugs (cocaine, methamphetamine, amphetamine, 3,4-methylenedioxymethamphetamine (MDMA)), and known drug adulterants (lidocaine and tetramisole)...
December 6, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29208964/reduced-anxiety-is-associated-with-the-accumulation-of-six-serotonin-reuptake-inhibitors-in-wastewater-treatment-effluent-exposed-goldfish-carassius-auratus
#15
D B D Simmons, E S McCallum, S Balshine, B Chandramouli, J Cosgrove, J P Sherry
Pharmaceuticals and personal care products (PPCPs) have been found in wastewater treatment plant (WWTP) effluents and their recipient watersheds. To assess the potential of WWTP effluents to alter fish behaviour, we caged male goldfish (Carassius auratus) for 21-days at three sites along a contamination gradient downstream from a WWTP which discharges into Cootes Paradise Marsh, on the western tip of Lake Ontario. We also included a fourth caging site as an external reference site within Lake Ontario at the Jordan Harbour Conservation Area...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29204312/insights-into-pathophysiology-from-medication-induced-tremor
#16
REVIEW
John C Morgan, Julie A Kurek, Jennie L Davis, Kapil D Sethi
Background: Medication-induced tremor (MIT) is common in clinical practice and there are many medications/drugs that can cause or exacerbate tremors. MIT typically occurs by enhancement of physiological tremor (EPT), but not all drugs cause tremor in this way. In this manuscript, we review how some common examples of MIT have informed us about the pathophysiology of tremor. Methods: We performed a PubMed literature search for published articles dealing with MIT and attempted to identify articles that especially dealt with the medication's mechanism of inducing tremor...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/29203420/compound-action-potential-inhibition-produced-by-various-antidepressants-in-the-frog-sciatic-nerve
#17
Ryo Hirao, Tsugumi Fujita, Aiko Sakai, Eiichi Kumamoto
Although an inhibition of action potential conduction in nerve fibers possibly contributes to at least a part of antinociception produced by analgesics and the adjuvants, it has not been fully examined yet how the conduction inhibition differs in extent among their drugs. We investigated the effects of various antidepressants used as analgesic adjuvants on compound action potentials (CAPs) recorded from the frog sciatic nerve by using the air-gap method. The results were compared with those of the other adjuvants that were reported previously...
December 1, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29202395/generalized-unprovoked-vulvodynia-a-retrospective-study-on-the-efficacy-of-treatment-with-amitriptyline-gabapentin-or-pregabalin
#18
Heleen J van Beekhuizen, Jessica Oost, Willem I van der Meijden
OBJECTIVE: To describe patient characteristics of women diagnosed with generalized unprovoked vulvodynia (GUV) and to estimate efficacy and tolerability of treatment. MATERIAL AND METHODS: Retrospective observational study in 241 women who presented with GUV at three vulvar disease clinics in Rotterdam, The Netherlands during 1996-2013. Main outcome was efficacy of amitriptyline, gabapentin or pregabalin treatment. RESULTS: The median duration of symptoms was 24 months and median age 62 years (range 36-89)...
January 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29202289/concentrating-mixtures-of-neuroactive-pharmaceuticals-and-altered-neurotransmitter-levels-in-the-brain-of-fish-exposed-to-a-wastewater-effluent
#19
Arthur David, Anke Lange, Charles R Tyler, Elizabeth M Hill
Fish can be exposed to a variety of neuroactive pharmaceuticals via the effluent discharges from wastewater treatment plants and concerns have arisen regarding their potential impacts on fish behaviour and ecology. In this study, we investigated the uptake of 14 neuroactive pharmaceuticals from a treated wastewater effluent into blood plasma and brain regions of roach (Rutilus rutilus) after exposure for 15days. We show that a complex mixture of pharmaceuticals including, 6 selective serotonin reuptake inhibitors, a serotonin-noradrenaline reuptake inhibitor, 3 atypical antipsychotics, 2 tricyclic antidepressants and a benzodiazepine, concentrate in different regions of the brain including the telencephalon, hypothalamus, optic tectum and hindbrain of effluent-exposed fish...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29199141/effects-of-amitriptyline-and-escitalopram-on-sleep-and-mood-in-patients-with-functional-dyspepsia
#20
Linda M Herrick, Michael Camilleri, Cathy D Schleck, Alan R Zinsmeister, Yuri A Saito, Nicholas J Talley
BACKGROUND & AIMS: Tricyclic antidepressants are effective in reducing symptoms of functional dyspepsia (FD). We performed a post hoc analysis of data from a previous randomized clinical trial to determine whether the benefits of an antidepressant on gastrointestinal symptoms in patients with FD were mediated by improving sleep or reducing anxiety. We explored the relationships between psychological measures, quality of sleep, and relief of symptoms. METHODS: We analyzed data from a multicenter, double-blind trial that evaluated the efficacy of antidepressants on symptoms of FD, from October 2006 through October 2012...
December 1, 2017: Clinical Gastroenterology and Hepatology
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