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Serotonin syndrom

Jacopo Celli, Gudrun Rappold, Beate Niesler
Serotonin type 3 (5-HT3 ) receptors are ligand-gated ion channels formed by five subunits (5-HT3 A-E), which are encoded by the HTR3A, HTR3B, HTR3C, HTR3D and HTR3E genes. Functional receptors are pentameric complexes of diverse composition. Different receptor subtypes confer a predisposition to nausea and vomiting during chemotherapy, pregnancy, and following surgery. In addition, different subtypes contribute to neurogastroenterologic disorders such irritable bowel syndrome (IBS) and eating disorders as well as comorbid psychiatric conditions...
October 20, 2016: Human Mutation
(no author information available yet)
[This corrects the article on p. e281 in vol. 3, PMID: 27606356.].
December 2016: Neurology® Neuroimmunology & Neuroinflammation
Roberto Lewis-Fernández, Peter Lam, Susan Lucak, Hanga Galfalvy, Elizabeth Jackson, Jane Fried, Melissa Rosario, Ana Alicia de la Cruz, Arturo Sánchez-Lacay, Samantha Díaz, Franklin Schneier
Major depressive disorder (MDD) and irritable bowel syndrome (IBS) frequently co-occur, yet treating their comorbid presentation is challenging. Low-dose tricyclic antidepressants are efficacious for IBS, but higher doses to treat depressive symptoms present tolerability problems, whereas selective serotonin reuptake inhibitors are more tolerable but show inconsistent efficacy for IBS. If efficacious, serotonin-norepinephrine reuptake inhibitors like duloxetine would provide a useful alternative. We explored efficacy, tolerability, and time to onset of action of duloxetine in comorbid IBS-MDD in an open-label, 12-week trial...
October 17, 2016: Journal of Clinical Psychopharmacology
Katrine Kveli Fjukstad, Anne Engum, Stian Lydersen, Ingrid Dieset, Nils Eiel Steen, Ole A Andreassen, Olav Spigset
OBJECTIVE: The aim of the present study was to examine the effect of selective serotonin reuptake inhibitors (SSRIs) on cardiovascular risk factors in patients with schizophrenia or bipolar disorder. METHOD: We used data from a cross-sectional study on 1301 patients with schizophrenia or bipolar disorder, of whom 280 were treated with SSRIs. The primary outcome variable was the serum concentration of total cholesterol. Secondary outcome variables were low-density lipoprotein (LDL) cholesterol, high-density lipoprotein cholesterol, triglyceride and glucose levels, body mass index, waist circumference, and systolic and diastolic blood pressure...
October 3, 2016: Journal of Clinical Psychopharmacology
Anton M Kolomeyer, Ken K Nischal, Ellen Mitchell
PURPOSE: To report a case of bilateral cavernous sinus thrombosis (CST) in a patient with tacrolimus-associated posttransplant thrombotic microangiopathy. METHODS: Case report. RESULTS: An 8-year-old boy with a medical history of orthotopic heart transplant, posttransplant lymphoproliferative disease, and recurrent infections was hospitalized for nausea, vomiting, and diarrhea. His ocular history included accommodative esotropia, hyperopia with astigmatism, Molluscum contagiosum lid lesions, and idiopathic intracranial hypertension...
October 13, 2016: European Journal of Ophthalmology
B M Belik
AIM: To substantiate pathogenetic expediency and to evaluate the clinical efficacy of the drug use serotonin adipate (dinaton) in a complex correction enteral insufficiency syndrome (EIN) in patients with generalized peritonitis (GP). MATERIAL AND METHODS: The comparative analysis of results of treatment of 182 patients with GP, which in principle approach to EIN correction in the postoperative period were divided into two groups. Group I consisted of 92 patients who received standard intensive therapy using conventional methods of stimulation of intestinal peristalsis...
2016: Khirurgiia
Rachele Pandolfi, Bianca Barreira, Enrique Moreno, Victor Lara-Acedo, Daniel Morales-Cano, Andrea Martínez-Ramas, Beatriz de Olaiz Navarro, Raquel Herrero, José Ángel Lorente, Ángel Cogolludo, Francisco Pérez-Vizcaíno, Laura Moreno
BACKGROUND: Pulmonary hypertension (PH) is frequently observed in patients with acute respiratory distress syndrome (ARDS) and it is associated with an increased risk of mortality. Both acid sphingomyelinase (aSMase) activity and interleukin 6 (IL-6) levels are increased in patients with sepsis and correlate with worst outcomes, but their role in pulmonary vascular dysfunction pathogenesis has not yet been elucidated. Therefore, the aim of this study was to determine the potential contribution of aSMase and IL-6 in the pulmonary vascular dysfunction induced by lipopolysaccharide (LPS)...
July 27, 2016: Thorax
Robert H Howland
Methylene blue was the first synthetic drug ever used in medicine, having been used to treat clinical pain syndromes, malaria, and psychotic disorders more than one century ago. Methylene blue is a cationic thiazine dye with redox-cycling properties and a selective affinity for the nervous system. This drug also inhibits the activity of monoamine oxidase, nitric oxide synthase, and guanylyl cyclase, as well as tau protein aggregation; increases the release of neurotransmitters, such as serotonin and norepinephrine; reduces amyloid-beta levels; and increases cholinergic transmission...
October 1, 2016: Journal of Psychosocial Nursing and Mental Health Services
Kjell E Oberg, Steven Wj Lamberts
Acromegaly is a hormonal disorder that arises when the pituitary gland secretes excess growth hormone (GH), which in turn stimulates a concomitant increase in serum insulin-like growth factor 1 (IGF-1) levels. Gastroenteropancreatic neuroendocrine tumours (GEP-NET) constitute a heterogeneous group of tumours that can secrete serotonin and a variety of peptide hormones that may cause characteristic symptoms known as carcinoid syndrome, or other symptoms and hormonal hypersecretion syndromes depending on the tumour's site of origin...
October 3, 2016: Endocrine-related Cancer
Melahat Atasever, Muberra Namli Kalem, Çiğdem Sönmez, Mehmet Murat Seval, Seda Sahin Aker, Tuncay Yuce, Acar Koç, Hakan Genc
OBJECTIVE: The aim of the study is to investigate the relationship between changes in serotonin levels during pregnancy and fibromyalgia syndrome(FS) and the relationships between FS and the physical/psychological state, biochemical and hormonal parameters, which may be related to the musculoskeletal system. STUDY DESIGN: This study is a prospective case-control study conducted with 277 pregnant women at the obstetric unit of Ankara University Faculty of Medicine, in the period between January and June 2015...
October 3, 2016: Journal of Maternal-fetal & Neonatal Medicine
Duo-Chen Jin, Hai-Long Cao, Meng-Que Xu, Si-Nan Wang, Yu-Ming Wang, Fang Yan, Bang-Mao Wang
Serotonin (5-HT) and the serotonin transporter (SERT) have earned a tremendous amount of attention regarding the pathogenesis of irritable bowel syndrome (IBS). Considering that enteric 5-HT is responsible for the secretion, motility and perception of the bowel, the involvement of altered enteric 5-HT metabolism in the pathogenesis of IBS has been elucidated. Higher 5-HT availability is commonly associated with depressed SERT mRNA in patients with IBS compared with healthy controls. The expression difference of SERT between IBS patients and healthy controls might suggest that SERT plays an essential role in IBS pathogenesis, and SERT was expected to be a novel therapeutic target for IBS...
September 28, 2016: World Journal of Gastroenterology: WJG
Stephen M Stahl
Parkinson's disease psychosis (PDP) is theoretically a serotonin-dopamine imbalance syndrome due to disruption of the normal balance between the serotonergic and dopaminergic neurotransmitter systems in key brain circuits.
October 2016: CNS Spectrums
Steven P Roose, Bret R Rutherford
OBJECTIVE: This study aimed to review the data on the effect of selective serotonin reuptake inhibitors (SSRIs) on bleeding during or after operative procedures and to offer guidelines for clinical management. DATA SOURCES: Search of PubMed and MEDLINE for all articles in English from 1990-2016 with key words depression, antidepressants, bleeding, platelets, and operation. STUDY SELECTION: Studies were included if they reported information on bleeding complications during operative or childbirth procedures in patients taking antidepressants...
September 28, 2016: Journal of Clinical Psychopharmacology
Kamini Vasudev, Yun-Hee Choi, Ross Norman, Richard B Kim, Ute I Schwarz
OBJECTIVE: Atypical antipychotics are linked to a higher incidence of metabolic side effects, including weight gain, dyslipidemia, and diabetes. In this study, we examined the prevalence and potential genetic predictors of metabolic side effects in 60 adult patients on clozapine. METHOD: Genetic variants of relevance to clozapine metabolism, clearance, and response were assessed through targeted genotyping of cytochrome P450 enzymes CYP1A2 and CYP2C19, the efflux transporter ABCB1, the serotonin receptor (HTR2C), leptin (LEP), and leptin receptor (LEPR)...
September 28, 2016: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
Darija Mahović, Fanika Mrsić
Dear Editor, the practitioners of traditional Chinese medicine described psoriasis some 2000 years ago (1). Psoriasis vulgaris is a common, chronic inflammatory skin disease whose worldwide prevalence ranges from 0.1-3% (2,3). Understanding the role of the immune system in psoriasis and the interplay between the innate and adaptive immune system has helped to manage this complex disease, which affects patients far beyond the skin changes themselves (2). In addition to the usual and widely accepted methods of treatment of psoriasis, including topical therapies, phototherapy, and conventional and biological systemic therapies, data can be found in the literature that suggest a favorable effect of acupuncture on the course of psoriasis (4,5)...
August 2016: Acta Dermatovenerologica Croatica: ADC
Yong Hwan Kwon, Hyun Jin Kim
Irritable bowel syndrome (IBS) is a common functional gastrointestinal disorder. The pathophysiology of IBS is not completely understood. Genetic, immune, environmental, inflammatory, neurological and psychological factors contribute to the risk of this condition. Traditional research explored gastrointestinal motor abnormalities, central neural dysregulation, abnormal psychological features, and visceral hypersensitivity. More recent investigations consider bacterial overgrowth, abnormal serotonin pathways, altered gut flora, immune activation and mucosal inflammation...
September 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
Anxo Fernández-Ferreiro, Antonio Pose-Reino, Francisco Martinez-Bahamonde, Marion Paris, Emilie Guemas, Miguel González-Barcia, M J Lamas
No abstract text is available yet for this article.
September 2016: Actas Españolas de Psiquiatría
Francisco J Pinel-Ríos, Inmaculada Peñuelas-Calvo, Nuria Cerezo-Ramírez, Omar Hamad-Cueto, Natalia García-Casares
No abstract text is available yet for this article.
September 2016: Actas Españolas de Psiquiatría
Camille Lagard, Lucie Chevillard, Isabelle Malissin, Patricia Risède, Jacques Callebert, Laurence Labat, Jean-Marie Launay, Jean-Louis Laplanche, Bruno Mégarbane
Poisoning with opioid analgesics including tramadol represents a challenge. Tramadol may induce respiratory depression, seizures and serotonin syndrome, possibly worsened when in combination to benzodiazepines. Our objectives were to investigate tramadol-related neurotoxicity, consequences of diazepam/tramadol combination, and mechanisms of drug-drug interactions in rats. Median lethal-doses were determined using Dixon-Bruce's up-and-down method. Sedation, seizures, electroencephalography and plethysmography parameters were studied...
November 1, 2016: Toxicology and Applied Pharmacology
V V Tsukanov, O S Rzhavicheva, A V Vasyutin, O V Dunaevskaya, Yu L Tonkikh, E P Bronnikova
AIM: to determine the efficacy and safety of Kolofort in the treatment of patients with irritable bowel syndrome (IBS). SUBJECTS AND METHODS: 52 patients (16 men and 36 women) aged 26 to 59 years were examined over 4 months to rule out organic disease. The diagnosis of IBS was established on the basis of the Rome III diagnostic criteria (2006). Seven patients were diagnosed as having IBS with a preponderance of constipation; 3 had IBS with a preponderance of diarrhea, and 42 had mixed IBS...
2016: Terapevticheskiĭ Arkhiv
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