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https://www.readbyqxmd.com/read/26908297/potential-risk-factors-for-dexmedetomidine-withdrawal-seizures-in-infants-after-surgery-for-congenital-heart-disease
#1
Yoshihiro Takahashi, Kentaro Ueno, Yumiko Ninomiya, Taisuke Eguchi, Yuichi Nomura, Yoshifumi Kawano
PURPOSE: Few studies are available on withdrawal seizures about dexmedetomidine (DEX). Thus, we retrospectively evaluated the incidence of withdrawal seizures after discontinuation of DEX and examined potential risk factors in infants after cardiovascular surgery. METHODS: The medical records of 142 infants who had undergone cardiovascular surgery between April 2010 and November 2013 were examined. Clinical characteristics and usage of DEX were analyzed. DEX withdrawal seizures were evaluated using Withdrawal Assessment Tool - version 1 (WAT-1)...
August 2016: Brain & Development
https://www.readbyqxmd.com/read/25859170/effects-of-clonidine-on-withdrawal-from-long-term-dexmedetomidine-in-the-pediatric-patient
#2
Allison B Lardieri, Nicholas M Fusco, Shari Simone, L Kyle Walker, Jill A Morgan, Kristine A Parbuoni
OBJECTIVE: To compare withdrawal symptoms among pediatric intensive care patients receiving clonidine to those not receiving clonidine while being weaned from long-term dexmedetomidine. METHODS: This retrospective analysis evaluated Withdrawal Assessment Tool-1 (WAT-1) scores and hemodynamic parameters in pediatric patients on dexmedetomidine for 5 days or longer between January 1, 2009, and December 31, 2012. The primary objective was to compare withdrawal symptoms based on the number of elevated WAT-1 scores among patients on clonidine to those not on clonidine, while being weaned from long-term dexmedetomidine...
January 2015: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/25236837/mouth-rinsing-with-a-bitter-solution-without-ingestion-does-not-improve-sprint-cycling-performance
#3
Sharon Gam, Mark Tan, Kym J Guelfi, Paul A Fournier
PURPOSE: Recently, we have shown that combining mouth rinsing with the ingestion of a 2 mM quinine solution immediately before a 30-s cycling sprint significantly improves performance. However, the strong bitterness of such a solution produces an unpleasant taste and evokes nausea at higher concentrations. Given the possibility that mouth rinsing with quinine without ingesting it may not produce nausea, a mouth rinse only protocol may be a more practical approach to administer quinine for improving exercise performance...
January 2015: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/25131427/high-doses-of-benzodiazepine-predict-analgesic-and-sedative-drug-withdrawal-syndrome-in-paediatric-intensive-care-patients
#4
A Amigoni, E Vettore, V Brugnolaro, L Brugnaro, D Gaffo, M Masola, A Marzollo, A Pettenazzo
AIM: Critically ill children can develop withdrawal syndrome after prolonged analgesia and sedation in a paediatric intensive care unit (PICU), when treatment is stopped abruptly or reduced quickly. The aim of this study was to evaluate the incidence of withdrawal syndrome in patients after three or more days of analgesic or sedative drug therapy, using a validated scale. We also analysed the association between withdrawal syndrome and the patients' outcome and factors related to analgesia and sedation treatment...
December 2014: Acta Paediatrica
https://www.readbyqxmd.com/read/24308089/satisfaction-of-nurses-with-the-withdrawal-assessment-tool-1-wat-1
#5
Elizabeth C Suddaby, Kimberly Josephson
BACKGROUND: Use of opioids and benzodiazepines in critically ill children results in an increased risk of withdrawal syndrome requiring the pediatric nurse to accurately assess the patient's clinical state. A valid and reliable pediatric withdrawal assessment tool could be of considerable value to improve nursing care. OBJECTIVE: To evaluate nurses' satisfaction with a new pediatric assessment tool, the Withdrawal Assessment Tool-1 (WAT-1). METHODS: Forty-one Pediatric Intensive Care Unit (PICU) and 27 Pediatric Intermediate Care Unit (PIMC) staff participated in a pre- and post-implementation survey...
September 2013: Pediatric Nursing
https://www.readbyqxmd.com/read/24008186/opioid-withdrawal-signs-and-symptoms-in-children-frequency-and-determinants
#6
Deborah Fisher, Mary Jo Grap, Janet B Younger, Suzanne Ameringer, R K Elswick
OBJECTIVES: The purpose of this study was to, in a pediatric population, describe the frequency of opioid withdrawal signs and symptoms and to identify factors associated with these opioid withdrawal signs and symptoms. BACKGROUND: Opioids are used routinely in the pediatric intensive care population for analgesia, sedation, blunting of physiologic responses to stress, and safety. In children, physical dependence may occur in as little as 2-3 days of continuous opioid therapy...
November 2013: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/22093817/validity-and-generalizability-of-the-withdrawal-assessment-tool-1-wat-1-for-monitoring-iatrogenic-withdrawal-syndrome-in-pediatric-patients
#7
Linda S Franck, Lisa A Scoppettuolo, David Wypij, Martha A Q Curley
Critically ill pediatric patients frequently receive prolonged analgesia and sedation to provide pain relief and facilitate intensive care therapies. Iatrogenic withdrawal syndrome occurs when these drugs are stopped abruptly or weaned too rapidly. We investigated the validity and generalizability of the Withdrawal Assessment Tool-1 (WAT-1) in children during weaning of analgesics and sedatives. Of 308 children initially supported on mechanical ventilation for acute respiratory failure, 126 (41%) from 21 centers (median age 1...
January 2012: Pain
https://www.readbyqxmd.com/read/19339248/structural-evidence-of-substrate-specificity-in-mammalian-peroxidases-structure-of-the-thiocyanate-complex-with-lactoperoxidase-and-its-interactions-at-2-4-a-resolution
#8
Ishfaq Ahmed Sheikh, Amit Kumar Singh, Nagendra Singh, Mau Sinha, S Baskar Singh, Asha Bhushan, Punit Kaur, Alagiri Srinivasan, Sujata Sharma, Tej P Singh
The crystal structure of the complex of lactoperoxidase (LPO) with its physiological substrate thiocyanate (SCN(-)) has been determined at 2.4A resolution. It revealed that the SCN(-) ion is bound to LPO in the distal heme cavity. The observed orientation of the SCN(-) ion shows that the sulfur atom is closer to the heme iron than the nitrogen atom. The nitrogen atom of SCN(-) forms a hydrogen bond with a water (Wat) molecule at position 6'. This water molecule is stabilized by two hydrogen bonds with Gln(423) N(epsilon2) and Phe(422) oxygen...
May 29, 2009: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/18838937/the-withdrawal-assessment-tool-1-wat-1-an-assessment-instrument-for-monitoring-opioid-and-benzodiazepine-withdrawal-symptoms-in-pediatric-patients
#9
MULTICENTER STUDY
Linda S Franck, Sion Kim Harris, Deborah J Soetenga, June K Amling, Martha A Q Curley
OBJECTIVE: To develop and test the validity and reliability of the Withdrawal Assessment Tool-1 for monitoring opioid and benzodiazepine withdrawal symptoms in pediatric patients. DESIGN: Prospective psychometric evaluation. Pediatric critical care nurses assessed eligible at-risk pediatric patients for the presence of 19 withdrawal symptoms and rated the patient's overall withdrawal intensity using a Numeric Rating Scale where zero indicated no withdrawal and 10 indicated worst possible withdrawal...
November 2008: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/15795812/the-effect-of-two-sports-drinks-and-water-on-gi-complaints-and-performance-during-an-18-km-run
#10
RANDOMIZED CONTROLLED TRIAL
M A van Nieuwenhoven, F Brouns, E M R Kovacs
Gastrointestinal (GI) complaints are frequently experienced during running. Sports drinks to prevent dehydration and hypoglycemia during exercise are generally used. The aim was to investigate the effect of 3 different drinks on GI complaints and performance during competitive running in a controlled field study. Ninety-eight well-trained subjects (90 M, 8 F, age 41 +/- 8 y) performed a competitive 18-km run three times within 8 days. The study was a controlled, standardized field experiment following a randomized, crossover design...
May 2005: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/15786730/cloning-and-expression-of-ppar-gamma-and-pgc-1alpha-from-the-hibernating-ground-squirrel-spermophilus-tridecemlineatus
#11
Sean F Eddy, Pier Morin, Kenneth B Storey
The peroxisome proliferator-activated receptor (PPAR) family of transcription factors play a key role in lipid metabolism and have been implicated in a number of disease states, most notably of which is obesity. Controlled regulation of lipid metabolism is a key ingredient for successful hibernation. Partial cDNA sequences for one of the PPAR proteins, PPARgamma and the PPARgamma co-activator (PGC-1alpha) have been cloned from the hibernating ground squirrel, Spermophilus tridecemlineatus and show differential regulation during hibernation at the mRNA level using relative RT-PCR and at the protein level via immunoblotting in brown adipose tissue (BAT), heart, skeletal muscle and white adipose tissue (WAT)...
January 2005: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/15571395/a-proficient-enzyme-insights-on-the-mechanism-of-orotidine-monophosphate-decarboxylase-from-computer-simulations
#12
Simone Raugei, Michele Cascella, Paolo Carloni
Decarboxylation of orotidine 5'-monophosphate (Omp) to uridine 5'-monophosphate by orotidine 5'-monophosphate decarboxylase (ODCase) is currently the object of vivid debate. Here, we clarify its enzymatic activity with long time scale classical molecular dynamics and hybrid ab initio Car-Parrinello/molecular mechanics simulations. The lack of structural (experimental) information on the ground state of ODCase/Omp complex is overcome by a careful construction of the model and the analysis of three different strains of the enzyme...
December 8, 2004: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/10405789/new-members-of-uncoupling-protein-family-implicated-in-energy-metabolism
#13
K Hosoda, J Matsuda, H Itoh, C Son, K Doi, T Tanaka, Y Fukunaga, Y Yamori, K Nakao
1. The regulation of energy metabolism involves food intake and energy expenditure. Mitochondrial uncoupling proteins (UCP) are implicated in energy expenditure. 2. cDNA of a homologue of UCP highly expressed in rat skeletal muscle, UCP-3, is isolated and sequenced. Rat UCP-2 cDNA is also isolated and sequenced. 3. Rat UCP-3 cDNA probe hybridized two bands, a major band at 2.5 kb and a minor band at 2.8 kb in rat tissues. The mRNA was expressed at the highest level in the skeletal muscle, and moderately in the interscapular brown adipose tissue (BAT)...
July 1999: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/9756555/differential-regulation-of-uncoupling-protein-gene-homologues-in-multiple-tissues-of-hibernating-ground-squirrels
#14
B B Boyer, B M Barnes, B B Lowell, D Grujic
Nonshivering thermogenesis in brown adipose tissue (BAT) provides heat through activation of a mitochondrial uncoupling protein (UCP1), which causes futile electron transport cycles without the production of ATP. Recent discovery of two molecular homologues, UCP2, expressed in multiple tissues, and UCP3, expressed in muscle, has resulted in investigation of their roles in thermoregulatory physiology and energy balance. To determine the expression pattern of Ucp homologues in hibernating mammals, we compared relative mRNA levels of Ucp1, -2, and -3 in BAT, white adipose tissue (WAT), and skeletal muscle of arctic ground squirrels (Spermophilus parryii) hibernating at different ambient and body temperatures, with levels determined in tissues from ground squirrels not in hibernation...
October 1998: American Journal of Physiology
https://www.readbyqxmd.com/read/9105051/reversion-of-the-malignant-phenotype-of-human-breast-cells-in-three-dimensional-culture-and-in-vivo-by-integrin-blocking-antibodies
#15
V M Weaver, O W Petersen, F Wang, C A Larabell, P Briand, C Damsky, M J Bissell
In a recently developed human breast cancer model, treatment of tumor cells in a 3-dimensional culture with inhibitory beta1-integrin antibody or its Fab fragments led to a striking morphological and functional reversion to a normal phenotype. A stimulatory beta1-integrin antibody proved to be ineffective. The newly formed reverted acini re-assembled a basement membrane and re-established E-cadherin-catenin complexes, and re-organized their cytoskeletons. At the same time they downregulated cyclin D1, upregulated p21(cip,wat-1), and stopped growing...
April 7, 1997: Journal of Cell Biology
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