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https://www.readbyqxmd.com/read/29664655/short-term-assessment-of-hsct-effects-on-the-hypothalamus-pituitary-axis-in-pediatric-thalassemic-patients
#1
Amir Ali Hamidieh, Fariba Mohseni, Maryam Behfar, Zohreh Hamidi, Kamran Alimoghaddam, Mohamad Pajouhi, Bagher Larijani, Mohammad-Reza Mohajeri-Tehrani, Ardeshir Ghavamzadeh
BACKGROUND: Beta thalassemia major (BTM) and its treatment by hematopoietic stem cell transplantation (HSCT) may have deleterious effects on the endocrine systems. We assessed endocrine complications of HSCT in pediatric patients for 3 months. METHODS: In 20 (6 female) pediatric major thalassemic patients (mean age of 10.8 ± 3.9 years old), prolactin, luteinizing hormone (LH), follicle-stimulating hormone (FSH), T4, T3, thyroid-stimulating hormone (TSH), IGF-1, testosterone (in males) or estradiol (in females) were measured as a batch at the Endocrinology and Metabolism Research Center (EMRC) of Tehran University of Medical Sciences (TUMS) laboratories before HSCT and 1 and 3 months afterwards...
February 1, 2018: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29643617/comparison-of-ropivacaine-0-2-with-or-without-clonidine-1-%C3%AE-g-kg-for-epidural-labor-analgesia-a-randomized-controlled-study
#2
Indira Kumari, Kapil Sharma, Vikram Bedi, Madhan Mohan, Hemraj Tungaria, Manish Kumar Modi
Background and Aims: The aim is to determine the effect of addition of clonidine to ropivacaine for epidural labor analgesia with regard to onset of analgesia, duration of analgesia, neonatal outcome, and quality of analgesia. Material and Methods: A total of 60 term parturients of the American Society of Anesthesiologists Grade I and II with uncomplicated pregnancy, vertex presentation, posted for on-demand epidural labor analgesia after informed consent were divided in two groups...
January 2018: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29628589/clonidine-as-an-adjuvant-to-caudal-epidural-ropivacaine-for-lumbosacral-spine-surgeries
#3
Saraswathi Nagappa, Sandhya Kalappa, Raghavendra Biligiri Sridhara
Background: Caudal epidural analgesia is a proven technique for providing analgesia for spinal surgeries. Prolonged pain relief with no motor blockade is desired for early mobilization. Objective: The objective of this study is to compare the effect of adding 1 μg/kg of clonidine to injection ropivacaine 0.2% with respect to duration of analgesia, hemodynamic effects, and associated side effects. Methodology: In this prospective double-blind study, a total of 60 patients undergoing lumbosacral spine surgery were randomized to receive 25 cc caudal epidural injection of either injection ropivacaine 0...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29628584/evaluation-of-the-hemodynamic-response-of-intravenous-clonidine-versus-ropivacaine-scalp-block-to-insertion-of-scalp-pins-in-neurosurgical-patients
#4
Saraswathi Nagappa, Sandhya Kalappa, Raghavendra Biligiri Sridhara
Background: The application of the skull-pin head-holder, used to stabilize the head during neurosurgical procedures, produces an intense nociceptive stimulus and results in abrupt increases in blood pressure and cerebral blood flow under general anesthesia. Different anesthetic and pharmacologic techniques, including local anesthetics, narcotics, antihypertensives, and deepening of anesthesia with inhalation anesthetics, have been used to blunt this deleterious effect with variable success...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29628563/postoperative-analgesia-with-epidural-dexmedetomidine-compared-with-clonidine-following-total-abdominal-hysterectomies-a-prospective-double-blind-randomized-trial
#5
Sunil Chiruvella, Balaji Donthu, Srinivasa Rao Nallam, Dora Babu Salla
Background and Aims: Anesthesia for total abdominal hysterectomies is not only concerned with relieving pain during intraoperative period but also during the postoperative period. We compared clonidine and dexmedetomidine as an adjuvant to levobupivacaine for epidural analgesia with respect to onset and duration of sensory block, duration of analgesia, and adverse effects. Materials and Methods: A total of 80 individuals between the age of 45 and 65 years of American Society of Anesthesiologists (ASA) physical status Classes I and II who underwent total abdominal hysterectomies were randomly allocated into two groups, comprising 40 patients in each group...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29621768/protective-role-of-the-hepatic-vagus-nerve-against-liver-metastasis-in-mice
#6
Tetsuya Hiramoto, Kazufumi Yoshihara, Yasunari Asano, Nobuyuki Sudo
OBJECTIVE(S): Although accumulating evidence has shown that the autonomic nervous system is involved in liver pathology, its role in regulating cancer development remains unclear. The purpose of this study was to elucidate its detailed mechanisms. METHODS: A mouse model of liver metastasis of colorectal cancer was used. To elucidate the potential mechanisms involved, we examined the effect of selective hepatic vagotomy on the survival rate and liver-to-body weight...
April 5, 2018: Neuroimmunomodulation
https://www.readbyqxmd.com/read/29614333/pharmacological-validation-of-individual-animal-locomotion-temperature-and-behavioural-analysis-in-group-housed-rats-using-a-novel-automated-home-cage-analysis-system-a-comparison-with-the-modified-irwin-test
#7
Karen Tse, Rowland Sillito, Amy Keerie, Rachel Collier, Claire Grant, Natasha A Karp, Cathy Vickers, Kathryn Chapman, J Douglas Armstrong, William S Redfern
BACKGROUND: The ActualHCA™ system continuously monitors the activity, temperature and behaviour of group-housed rats without invasive surgery. The system was validated to detect the contrasting effects of sedative and stimulant test agents (chlorpromazine, clonidine and amphetamine), and compared with the modified Irwin test (mIT) with rectal temperature measurements. METHODS: Six male Han Wistar rats per group were used to assess each test agent and vehicle controls in separate ActualHCA™ recordings and mIT...
March 31, 2018: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/29605483/severe-opioid-withdrawal-precipitated-by-vivitrol%C3%A2
#8
R S Wightman, L S Nelson, J D Lee, L M Fox, S W Smith
The risk of severe precipitated opioid withdrawal (POW) is amplified when precipitated by a long-acting opioid antagonist. IM extended release naltrexone (XRNTX;Vivitrol®) is an FDA approved therapy to prevent relapse of opioid and alcohol abuse. Two cases of precipitated opioid withdrawal from XRNTX are presented that illustrate different patient reactions to POW. A 56-year-old woman developed a hypertensive emergency and required continuous intravenous vasodilator, clonidine, and intensive care monitoring after re-initiation of XRNTX following opioid relapse...
March 21, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29599033/periarticular-ropivacaine-cocktail-is-equivalent-to-liposomal-bupivacaine-cocktail-in-bilateral-total-knee-arthroplasty
#9
Jonathan R Danoff, Rahul Goel, R Andrew Henderson, James Fraser, Peter F Sharkey
BACKGROUND: This study compares the effectiveness of 2 commonly used periarticular injection formulations: liposomal bupivacaine and bupivacaine (EXP) and ropivacaine, epinephrine, ketorolac, and clonidine (ROP) in patients undergoing bilateral total knee arthroplasty or unicompartmental knee arthroplasty. METHODS: Twenty-six total knee arthroplasty patients (52 knees) and 3 unicompartmental knee arthroplasty patients (6 knees) undergoing simultaneous, bilateral arthroplasty were randomized to receive periarticular injections in a blinded fashion...
March 6, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29596102/clonidine-effect-on-pain-after-cesarean-delivery-a-randomized-controlled-trial-of-different-routes-of-administration
#10
Hermann S Fernandes, Fernando Bliacheriene, Thúlio M Vago, Gabriela T Corregliano, Marcelo L Torres, Rossana P Francisco, Hazem A Ashmawi
BACKGROUND: Intrathecal clonidine prolongs spinal anesthesia. We evaluated the effects of the addition of intrathecal or intravenous clonidine (75 µg) to standard cesarean delivery spinal anesthesia on postoperative pain and neonatal outcomes. METHODS: In a randomized, placebo-controlled, double-blind trial, 64 women scheduled for elective cesarean delivery under spinal anesthesia were randomly allocated and compared among 3 groups: intrathecal clonidine 75 µg, intravenous clonidine 75 µg, and placebo...
March 27, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29562187/hippocampal-theta-gamma-coupling-reflects-state-dependent-information-processing-in-decision-making
#11
Seiichiro Amemiya, A David Redish
During decision making, hippocampal activity encodes information sometimes about present and sometimes about potential future plans. The mechanisms underlying this transition remain unknown. Building on the evidence that gamma oscillations at different frequencies (low gamma [LG], 30-55 Hz; high gamma [HG], 60-90 Hz; and epsilon, 100-140 Hz) reflect inputs from different circuits, we identified how changes in those frequencies reflect different information-processing states. Using a unique noradrenergic manipulation by clonidine, which shifted both neural representations and gamma states, we found that future representations depended on gamma components...
March 20, 2018: Cell Reports
https://www.readbyqxmd.com/read/29545586/stimulation-of-alpha2-adrenergic-receptors-impairs-influenza-virus-infection
#12
Ken Matsui, Makoto Ozawa, Maki Kiso, Makoto Yamashita, Toshihiko Maekawa, Minoru Kubota, Sumio Sugano, Yoshihiro Kawaoka
Influenza A viruses cause seasonal epidemics and occasional pandemics. The emergence of viruses resistant to neuraminidase (NA) inhibitors and M2 ion channel inhibitors underlines the need for alternate anti-influenza drugs with novel mechanisms of action. Here, we report the discovery of a host factor as a potential target of anti-influenza drugs. By using cell-based virus replication screening of a chemical library and several additional assays, we identified clonidine as a new anti-influenza agent in vitro...
March 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29544366/naloxone-reversal-of-clonidine-toxicity-dose-dose-dose
#13
Donna L Seger, Justin K Loden
CONTEXT: Following clonidine ingestion, naloxone is seldom administered as it is considered ineffective in reversing somnolence, bradycardia, or hypotension. However, this conclusion has been based on administration of small doses (2 mg or less) of naloxone. The somnolence is frequently treated with endotracheal intubation (ETI), a procedure with significant morbidity. OBJECTIVE: We aimed to determine if naloxone administration reversed the effects of clonidine or caused any adverse effects...
March 16, 2018: Clinical Toxicology
https://www.readbyqxmd.com/read/29544110/implications-of-comorbid-adhd-in-asd-interventions-and-outcome-results-from-a-naturalistic-follow-up-study-from-south-india
#14
Harshini Manohar, Pooja Patnaik Kuppili, Preeti Kandasamy, Venkatesh Chandrasekaran, Ravi Philip Rajkumar
BACKGROUND: Autism Spectrum Disorder (ASD) is a neurodevelopmental disorder commonly associated with Attention Deficit Hyperactivity Disorder (ADHD), the prevalence ranging from 14-70%. The current study attempted to assess the impact of comorbid ADHD in children with ASD, in terms of challenges in diagnosis, treatment, intervention outcomes and parental stress and coping through a naturalistic design. METHODS: Fifty children aged 2-6 years with ASD were recruited, assessed and followed up for six months...
March 2, 2018: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29530492/agmatine-inhibits-nicotine-withdrawal-induced-cognitive-deficits-in-inhibitory-avoidance-task-in-rats-contribution-of-%C3%AE-2-adrenoceptors
#15
Nandkishor R Kotagale, Mir Touseef Ali, Chandrabhan T Chopde, Milind J Umekar, Brijesh G Taksande
Nicotine abstinence following chronic exposure is associated with impairments in memory and variety of cognitive functions. Daily nicotine (2 mg/kg, sc, four times daily) administration for 14 days and its abrupt withdrawal significantly impaired avoidance learning in inhibitory avoidance task as indicated by a significant decrease in the step through latency. Animals injected with agmatine (10-40 μg/rat, icv) from day 7 to 14 before the first daily dose of nicotine (2 mg/kg, sc) showed increased step through latencies during retrieval test...
April 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29509957/alpha-2-adrenergic-agonists-for-the-prevention-of-cardiac-complications-among-adults-undergoing-surgery
#16
REVIEW
Dallas Duncan, Ashwin Sankar, W Scott Beattie, Duminda N Wijeysundera
BACKGROUND: The surgical stress response plays an important role on the pathogenesis of perioperative cardiac complications. Alpha-2 adrenergic agonists attenuate this response and may help prevent postoperative cardiac complications. OBJECTIVES: To determine the efficacy and safety of α-2 adrenergic agonists for reducing mortality and cardiac complications in adults undergoing cardiac surgery and non-cardiac surgery. SEARCH METHODS: We searched CENTRAL (2017, Issue 4), MEDLINE (1950 to April Week 4, 2017), Embase (1980 to May 2017), the Science Citation Index, clinical trial registries, and reference lists of included articles...
March 6, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29504865/novel-effect-of-%C3%AE-lactalbumin-on-the-yohimbine-induced-hot-flush-increase-of-the-tail-skin-temperature-in-ovariectomized-rats
#17
Masayuki Uchida, Orie Kobayashi
5-Hydroxytryptamine (5-HT) and noradrenaline have been thought to play important roles in the mechanism of hot flush. Then, to clarify the relation between serotonergic and adrenergic nervous systems on the mechanism of hot flush, the effect of paroxetine, 5-HT reuptake inhibitor (SSRI) was evaluated on the yohimbine-induced hot flush increase of tail skin temperature in ovariectomized female rats. Yohimbine (adrenaline α2 antagonist) significantly increased the tail skin temperature in course of time. Clonidine (adrenaline α2 agonist) significantly attenuated this effect...
March 5, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29492826/treatment-of-complex-regional-pain-syndrome-an-updated-systematic-review-and-narrative-synthesis
#18
Silvia Duong, Daniela Bravo, Keith J Todd, Roderick J Finlayson, De Q Tran
PURPOSE: Although multiple treatments have been advocated for complex regional pain syndrome (CRPS), the levels of supportive evidence are variable and sometimes limited. The purpose of this updated review is to provide a critical analysis of the evidence pertaining to the treatment of CRPS derived from recent randomized-controlled trials (RCTs). SOURCE: The MEDLINE, EMBASE, Psychinfo, and CINAHL databases were searched to identify relevant RCTs conducted on human subjects and published in English between 1 May 2009 and 24 August 2017...
February 28, 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29489737/effects-of-clonidine-on-the-cardiovascular-renal-and-inflammatory-responses-to-experimental-bacteremia
#19
Paolo Calzavacca, Lindsea C Booth, Yugeesh R Lankadeva, Simon R Bailey, Louise M Burrell, Michael Bailey, Rinaldo Bellomo, Clive N May
INTRODUCTION: Supra-clinical doses of clonidine appear beneficial in experimental sepsis, but there is limited understanding of the effects of clonidine at clinically relevant doses. METHODS: In conscious sheep, with implanted renal and pulmonary artery flow probes, sepsis was induced by infusion of live Escherichia coli. At 24 hours, a high clinical dose of clonidine (HCDC) [1.0 μg/kg/h], a low clinical dose of clonidine (LCDC) [0.25 μg/kg/h] or vehicle, was infused for 8 hours...
February 27, 2018: Shock
https://www.readbyqxmd.com/read/29489444/opposite-effect-of-opuntia-ficus-indica-l-juice-depending-on-fruit-maturity-stage-on-gastrointestinal-physiological-parameters-in-rat
#20
Kais Rtibi, Slimen Selmi, Dhekra Grami, Mohamed Amri, Hichem Sebai, Lamjed Marzouki
The phytochemical composition and the effect of the green and ripe Opuntia ficus-indica juice on some gastrointestinal (GI) physiological parameters such as stomach emptying and small-intestinal motility and permeability were determined in rats administered multiple concentrations of the prickly pear juice (5, 10, and 20 mL kg-1 , b.w., p.o.). Other separate groups of rats were received, respectively; sodium chloride (0.9%, b.w., p.o.), clonidine (α-2 -adrenergic agonist, 1 mg kg-1 , b.w., i.p.), yohimbine (α-2 -adrenergic antagonist, 2 mg kg-1 , b...
February 28, 2018: Journal of Medicinal Food
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