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Carolyne J Montgomery

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https://www.readbyqxmd.com/read/27779356/oral-morphine-dosing-predictions-based-on-single-dose-in-healthy-children-undergoing-surgery
#1
Joy M Dawes, Erin M Cooke, Jacqueline A Hannam, Katherine A Brand, Pamela Winton, Ricardo Jimenez-Mendez, Katarina Aleksa, Gillian R Lauder, Bruce C Carleton, Gideon Koren, Michael J Rieder, Brian J Anderson, Carolyne J Montgomery
BACKGROUND: Oral morphine has been proposed as an effective and safe alternative to codeine for after-discharge pain in children following surgery but there are few data guiding an optimum safe oral dose. AIMS: The aim of this study was to characterize the absorption pharmacokinetics of enteral morphine in order to simulate time-concentration profiles in children given common oral morphine dose regimens. METHODS: Children (2-6 years, n = 34) undergoing elective surgery and requiring opioid analgesia were randomized to receive preoperative oral morphine (100 mcg·kg(-1) , 200 mcg·kg(-1) , 300 mcg·kg(-1) )...
October 25, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/26566983/neonatal-anesthesia-jerrold-lerman-editor-springer-science-business-media-2015-isbn-978-1-4419-6040-5
#2
Carolyne Montgomery, J Mark Ansermino
No abstract text is available yet for this article.
December 2015: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/26507917/changes-in-qtc-associated-with-a-rapid-bolus-dose-of-dexmedetomidine-in-patients-receiving-tiva-a-retrospective-study
#3
Matthias Görges, Simon D Whyte, Shubhayan Sanatani, Joy Dawes, Carolyne J Montgomery, J Mark Ansermino
BACKGROUND: Clinical indications for the perioperative use of dexmedetomidine in pediatric anesthesia are accumulating. However, in 2013, dexmedetomidine was added to the list of medications with possible risk of prolonging the QT interval and/or inducing Torsades de Pointes. Unfortunately, current evidence for dexmedetomidine-induced QT prolongation is sparse and somewhat contradictory. OBJECTIVE: The purpose of this study was to evaluate temporal changes in corrected QT interval (QTc) after a rapid bolus administration of dexmedetomidine under total intravenous anesthesia (TIVA) with a standardized propofol and remifentanil administration...
December 2015: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/26507916/a-smartphone-version-of-the-faces-pain-scale-revised-and-the-color-analog-scale-for-postoperative-pain-assessment-in-children
#4
RANDOMIZED CONTROLLED TRIAL
Terri Sun, Nicholas West, J Mark Ansermino, Carolyne J Montgomery, Dorothy Myers, Dustin Dunsmuir, Gillian R Lauder, Carl L von Baeyer
BACKGROUND: Effective pain assessment is essential during postoperative recovery. Extensive validation data are published supporting the Faces Pain Scale-Revised (FPS-R) and the Color Analog Scale (CAS) in children. Panda is a smartphone-based application containing electronic versions of these scales. OBJECTIVES: To evaluate agreement between Panda and original paper/plastic versions of the FPS-R and CAS and to determine children's preference for either Panda or original versions of these scales...
December 2015: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/25773480/a-compartmental-analysis-for-morphine-and-its-metabolites-in-young-children-after-a-single-oral-dose
#5
RANDOMIZED CONTROLLED TRIAL
Nieves Velez de Mendizabal, Ricardo Jimenez-Mendez, Erin Cooke, Carolyne J Montgomery, Joy Dawes, Michael J Rieder, Katarina Aleksa, Gideon Koren, Carlos O Jacobo-Cabral, Rodrigo Gonzalez-Ramirez, Gilberto Castañeda-Hernandez, Bruce C Carleton
BACKGROUND AND OBJECTIVES: Currently, the majority of the surgical procedures performed in paediatric hospitals are done on a day care basis, with post-operative pain being managed by caregivers at home. Pain after discharge of these post-operative children has historically been managed with oral codeine in combination with paracetamol (acetaminophen). Codeine is an opioid, which elicits its analgesic effects via metabolism to morphine and codeine-6-glucuronide. Oral morphine is a feasible alternative for outpatient analgesia; however, the pharmacokinetics of morphine after oral administration have been previously described only sparsely, and there is little information in healthy children...
October 2015: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/25040186/identifying-a-rapid-bolus-dose-of-dexmedetomidine-ed50-with-acceptable-hemodynamic-outcomes-in-children
#6
Joy Dawes, Dorothy Myers, Matthias Görges, Guohai Zhou, J Mark Ansermino, Carolyne J Montgomery
BACKGROUND: Dexmedetomidine is a highly sensitive, specific α2 adrenoceptor agonist with anxiolytic, sedative, and analgesic effects. Administration is recommended as a loading dose infused over 10 min. Clinical experience and a previous study suggested a shorter time frame might be used without causing adverse hemodynamic effects. OBJECTIVE: To determine the dexmedetomidine dose that can be given as a rapid 5 s bolus to healthy children during total intravenous anesthesia (TIVA) without causing significant hemodynamic effects...
December 2014: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/23623459/kinematic-differences-between-gender-specific-and-traditional-knee-implants
#7
Stefan K Saevarsson, Gulshan B Sharma, Heiko Ramm, Robert Lieck, Carol R Hutchison, Jason Werle, Sigrun Matthiasdottir, Spencer J Montgomery, Carolina I Romeo, Stefan Zachow, Carolyn Anglin
In the ongoing debate about gender-specific (GS) vs. traditional knee implants, there is limited information about patella-specific outcomes. GS femoral component features should provide better patellar tracking, but techniques have not existed previously to test this accurately. Using novel computed tomography and radiography imaging protocols, 15 GS knees were compared to 10 traditional knees, for the 6 degrees of freedom of the patellofemoral and tibiofemoral joints throughout the range of motion, plus other geometric measures and quality of life (QOL)...
October 2013: Journal of Arthroplasty
https://www.readbyqxmd.com/read/23464658/emergence-delirium-in-children-a-randomized-trial-to-compare-total-intravenous-anesthesia-with-propofol-and-remifentanil-to-inhalational-sevoflurane-anesthesia
#8
RANDOMIZED CONTROLLED TRIAL
John R Chandler, Dorothy Myers, Disha Mehta, Emma Whyte, Michelle K Groberman, Carolyne J Montgomery, J Mark Ansermino
BACKGROUND: Emergence delirium (ED) refers to a variety of behavioral disturbances commonly seen in children following emergence from anesthesia. Vapor-based anesthesia with sevoflurane, the most common pediatric anesthetic technique, is associated with the highest incidence of ED. Propofol has been shown to reduce ED, but these studies have been methodologically limited. OBJECTIVE: To conduct a randomized-controlled trial comparing the incidence of ED in children following sevoflurane (SEVO) anesthesia and propofol-remifentanil total intravenous anesthesia (TIVA)...
April 2013: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/22649152/pathologic-complete-response-predicts-recurrence-free-survival-more-effectively-by-cancer-subset-results-from-the-i-spy-1-trial-calgb-150007-150012-acrin-6657
#9
MULTICENTER STUDY
Laura J Esserman, Donald A Berry, Angela DeMichele, Lisa Carey, Sarah E Davis, Meredith Buxton, Cliff Hudis, Joe W Gray, Charles Perou, Christina Yau, Chad Livasy, Helen Krontiras, Leslie Montgomery, Debasish Tripathy, Constance Lehman, Minetta C Liu, Olufunmilayo I Olopade, Hope S Rugo, John T Carpenter, Lynn Dressler, David Chhieng, Baljit Singh, Carolyn Mies, Joseph Rabban, Yunn-Yi Chen, Dilip Giri, Laura van 't Veer, Nola Hylton
PURPOSE: Neoadjuvant chemotherapy for breast cancer provides critical information about tumor response; how best to leverage this for predicting recurrence-free survival (RFS) is not established. The I-SPY 1 TRIAL (Investigation of Serial Studies to Predict Your Therapeutic Response With Imaging and Molecular Analysis) was a multicenter breast cancer study integrating clinical, imaging, and genomic data to evaluate pathologic response, RFS, and their relationship and predictability based on tumor biomarkers...
September 10, 2012: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/22536158/piwi-associated-sirnas-and-pirnas-specifically-require-the-caenorhabditis-elegans-hen1-ortholog-henn-1
#10
Taiowa A Montgomery, Young-Soo Rim, Chi Zhang, Robert H Dowen, Carolyn M Phillips, Sylvia E J Fischer, Gary Ruvkun
Small RNAs--including piRNAs, miRNAs, and endogenous siRNAs--bind Argonaute proteins to form RNA silencing complexes that target coding genes, transposons, and aberrant RNAs. To assess the requirements for endogenous siRNA formation and activity in Caenorhabditis elegans, we developed a GFP-based sensor for the endogenous siRNA 22G siR-1, one of a set of abundant siRNAs processed from a precursor RNA mapping to the X chromosome, the X-cluster. Silencing of the sensor is also dependent on the partially complementary, unlinked 26G siR-O7 siRNA...
2012: PLoS Genetics
https://www.readbyqxmd.com/read/22198468/chemotherapy-response-and-recurrence-free-survival-in-neoadjuvant-breast-cancer-depends-on-biomarker-profiles-results-from-the-i-spy-1-trial-calgb-150007-150012-acrin-6657
#11
Laura J Esserman, Donald A Berry, Maggie C U Cheang, Christina Yau, Charles M Perou, Lisa Carey, Angela DeMichele, Joe W Gray, Kathleen Conway-Dorsey, Marc E Lenburg, Meredith B Buxton, Sarah E Davis, Laura J van't Veer, Clifford Hudis, Koei Chin, Denise Wolf, Helen Krontiras, Leslie Montgomery, Debu Tripathy, Constance Lehman, Minetta C Liu, Olufunmilayo I Olopade, Hope S Rugo, John T Carpenter, Chad Livasy, Lynn Dressler, David Chhieng, Baljit Singh, Carolyn Mies, Joseph Rabban, Yunni-Yi Chen, Dilip Giri, Alfred Au, Nola Hylton
Neoadjuvant chemotherapy for breast cancer allows individual tumor response to be assessed depending on molecular subtype, and to judge the impact of response to therapy on recurrence-free survival (RFS). The multicenter I-SPY 1 TRIAL evaluated patients with ≥ 3 cm tumors by using early imaging and molecular signatures, with outcomes of pathologic complete response (pCR) and RFS. The current analysis was performed using data from patients who had molecular profiles and did not receive trastuzumab. The various molecular classifiers tested were highly correlated...
April 2012: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/21245313/mut-16-and-other-mutator-class-genes-modulate-22g-and-26g-sirna-pathways-in-caenorhabditis-elegans
#12
Chi Zhang, Taiowa A Montgomery, Harrison W Gabel, Sylvia E J Fischer, Carolyn M Phillips, Noah Fahlgren, Christopher M Sullivan, James C Carrington, Gary Ruvkun
Argonaute-associated siRNAs and Piwi-associated piRNAs have overlapping roles in silencing mobile genetic elements in animals. In Caenorhabditis elegans, mutator (mut) class genes mediate siRNA-guided repression of transposons as well as exogenous RNAi, but their roles in endogenous RNA silencing pathways are not well-understood. To characterize the endogenous small RNAs dependent on mut class genes, small RNA populations from a null allele of mut-16 as well as a regulatory mut-16(mg461) allele that disables only somatic RNAi were subjected to deep sequencing...
January 25, 2011: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/20535905/telephone-and-web-based-pediatric-day-surgery-questionnaires
#13
Erica Amari, Christine Vandebeek, Carolyne J Montgomery, Erik Skarsgard, J Mark Ansermino
PURPOSE: Patient questionnaires are popular tools for assessing and improving service quality, especially as administrators are increasingly expected to consider the patient's voice in their decision making. Despite web-based questionnaire advantages, they have not been previously compared to telephone questionnaires for assessing quality. The purpose of this paper is to compare telephone questionnaire administration with a web-based version. DESIGN/METHODOLOGY/APPROACH: Day surgery patients from a tertiary pediatric hospital completed a telephone interview and a web-based questionnaire with identical questions...
2010: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/20526184/skin-conductance-fluctuations-correlate-poorly-with-postoperative-self-report-pain-measures-in-school-aged-children
#14
Eugene K Choo, William Magruder, Carolyne J Montgomery, Joanne Lim, Rollin Brant, J Mark Ansermino
BACKGROUND: The number of fluctuations of skin conductance per second (NFSC) has been shown to correlate with induced pain and self-report pain scales. This study aimed to evaluate the validity and feasibility of NFSC as an objective measurement of nociception intensity in school-aged children after surgery. METHODS: After approval by the research ethics board and obtaining consent, 100 subjects participated in this prospective observational study. Preoperatively, NFSC was measured for 60 s at rest and during response to a self-report pain scale (numeric rating scale [NRS], Faces Pain Scale-Revised) and anxiety scoring (NRS)...
July 2010: Anesthesiology
https://www.readbyqxmd.com/read/19968808/the-effect-of-age-on-the-dose-of-remifentanil-for-tracheal-intubation-in-infants-and-children
#15
RANDOMIZED CONTROLLED TRIAL
Helen Hume-Smith, Jon McCormack, Carolyne Montgomery, Rollin Brant, Stephan Malherbe, Disha Mehta, J Mark Ansermino
INTRODUCTION: This study aimed to determine the age-specific bolus dose of remifentanil (ED(50)) to facilitate tracheal intubation without the use of neuromuscular blocking agents. METHODS: ASA 1-2 subjects were recruited into three groups of 0-3 months (group I), 4-12 months (group II), and 1-3 years (group III) of age. A sequential up-and-down design determined the remifentanil bolus dose, which was initially started at 3 mcg x kg(-1) and adjusted in 1 mcg x kg(-1) increments (range 1-6 mcg x kg(-1))...
January 2010: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/18485946/quality-of-life-outcomes-after-surgical-correction-of-pectus-excavatum-a-comparison-of-the-ravitch-and-nuss-procedures
#16
COMPARATIVE STUDY
Mindy W C Lam, Anne F Klassen, Carolyne J Montgomery, Jacques G LeBlanc, Erik D Skarsgard
PURPOSE: The purpose of this study was to compare clinical and health-related quality-of-life (HRQL) outcomes within a group of patients treated for pectus excavatum (PE). METHODS: A retrospective 3-year review of patients undergoing Nuss or Ravitch correction of PE was performed. Health-related quality-of-life assessment was performed using the Child Health Questionnaire (CHQ-CF87) and the 17-item Pectus Excavatum Evaluation Questionnaire, and results were compared between groups and with age-matched CHQ-CF87 normative data...
May 2008: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/18232606/measuring-the-quality-of-pediatric-day-surgery-care
#17
Erica Amari, Diana M Murray, Christine Vandebeek, Carolyne J Montgomery, Erik Skarsgard, Fay Warnock, J Mark Ansermino
This brief report describes the process of developing a valid and reliable questionnaire for quality measurement of pediatric day surgery care from the families' perspective. Questionnaire items were generated through a literature search and interviews with clinicians and parents. A computer-assisted telephone interview was used to administer the questionnaire to 448 parents within 72 hours of patient discharge. Tests of reliability and validity were administered, and questionnaire items were improved or omitted based on the results...
November 2007: Journal for Healthcare Quality: Official Publication of the National Association for Healthcare Quality
https://www.readbyqxmd.com/read/17909087/the-dipeptidyl-peptidase-4-inhibitor-vildagliptin-improves-beta-cell-function-and-insulin-sensitivity-in-subjects-with-impaired-fasting-glucose
#18
Kristina M Utzschneider, Jenny Tong, Brenda Montgomery, Jayalakshmi Udayasankar, Fernando Gerchman, Santica M Marcovina, Catherine E Watson, Monica A Ligueros-Saylan, James E Foley, Jens J Holst, Carolyn F Deacon, Steven E Kahn
OBJECTIVE: To evaluate the effect of treatment with the dipeptidyl peptidase (DPP)-4 inhibitor vildagliptin on insulin sensitivity and beta-cell function in subjects with impaired fasting glucose (IFG). RESEARCH DESIGN AND METHODS: A total of 22 subjects with IFG (11 female and 11 male, mean +/- SD age 59.6 +/- 11.5 years) were treated orally with 100 mg vildagliptin once daily in a single-blind study. Subjects received placebo for 2 weeks (run-in) followed by vildagliptin for 6 weeks (treatment) and then placebo for 2 weeks (washout)...
January 2008: Diabetes Care
https://www.readbyqxmd.com/read/17079637/intravenous-nalbuphine-50-microg-x-kg-1-is-ineffective-for-opioid-induced-pruritus-in-pediatrics
#19
RANDOMIZED CONTROLLED TRIAL
Nao Nakatsuka, Sean C Minogue, Joanne Lim, Carolyne J Montgomery, Colleen A Court, Stephan Malherbe, Yvonne Csanyi-Fritz, Ramona A Kearney, Leeann Phillips, Kathy Reid, Justin Kingsley, J Mark Ansermino
PURPOSE: This investigation evaluated the efficacy of nalbuphine in treating postoperative opioid-induced pruritus (Pr) in pediatric patients. METHODS: After Ethics Board approval, the dual site, tertiary care teaching centre study recruited 212 subjects, age > or = seven years, who received opioid analgesia postoperatively. A modified, self-report colour analogue scale (CAS) scored pruritus intensity (PrI). Subjects who reported PrI score > or = 5/10 were randomized to treatment with nalbuphine 50 microg x kg(-1) iv (max 5 mg) or saline placebo...
November 2006: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/15675930/intravenous-ketamine-sedation-for-painful-oncology-procedures
#20
Dan Evans, Lucy Turnham, Kathryn Barbour, Jeff Kobe, Laura Wilson, Christine Vandebeek, Carolyne J Montgomery, Paul Rogers
BACKGROUND: The aim of the study was to determine the efficacy and adverse effects of intravenous (i.v.) ketamine sedation administered by nonanesthetist physicians for painful procedures. METHODS: A single-agent, procedural sedation protocol using titrated doses of ketamine i.v. (maximum 2 mg.kg(-1)) was conducted in outpatient pediatric oncology patients undergoing lumbar puncture (LP), bone marrow biopsy/aspiration (BMBx/A) or combination (LP/BMBx/A) in a tertiary care setting...
February 2005: Paediatric Anaesthesia
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