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https://www.readbyqxmd.com/read/27064480/association-between-laboratory-calibration-of-a-serum-bilirubin-assay-neonatal-bilirubin-levels-and-phototherapy-use
#1
Michael W Kuzniewicz, Dina N Greene, Eileen M Walsh, Charles E McCulloch, Thomas B Newman
IMPORTANCE: The American Academy of Pediatrics treatment recommendations for neonatal jaundice are based on age-specific total serum bilirubin (TSB) levels. In May 2012, Ortho Clinical Diagnostics adjusted the calibrator values for Vitros Chemistry Products BuBc Slides (Ortho Clinical Diagnostics), a widely used method to quantify TSB, after concerns of positively biased results. OBJECTIVE: To investigate the association between recalibration of a reflectance spectrophotometry serum bilirubin assay and TSB levels and phototherapy use among newborns...
June 1, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/26297116/transference-of-caliper-pediatric-reference-intervals-to-biochemical-assays-on-the-roche-cobas-6000-and-the-roche-modular-p
#2
Victoria Higgins, Man Khun Chan, Michelle Nieuwesteeg, Barry R Hoffman, Irvin L Bromberg, Doug Gornall, Edward Randell, Khosrow Adeli
OBJECTIVES: The Canadian Laboratory Initiative on Pediatric Reference Intervals (CALIPER) has recently established pediatric age- and sex-specific reference intervals for over 85 biochemical markers on the Abbott Architect system. Previously, CALIPER reference intervals for several biochemical markers were successfully transferred from Abbott assays to Roche, Beckman, Ortho, and Siemens assays. This study further broadens the CALIPER database by performing transference and verification for 52 biochemical assays on the Roche cobas 6000 and the Roche Modular P...
January 2016: Clinical Biochemistry
https://www.readbyqxmd.com/read/26044506/biochemical-marker-reference-values-across-pediatric-adult-and-geriatric-ages-establishment-of-robust-pediatric-and-adult-reference-intervals-on-the-basis-of-the-canadian-health-measures-survey
#3
Khosrow Adeli, Victoria Higgins, Michelle Nieuwesteeg, Joshua E Raizman, Yunqi Chen, Suzy L Wong, David Blais
BACKGROUND: Biological covariates such as age and sex can markedly influence biochemical marker reference values, but no comprehensive study has examined such changes across pediatric, adult, and geriatric ages. The Canadian Health Measures Survey (CHMS) collected comprehensive nationwide health information and blood samples from children and adults in the household population and, in collaboration with the Canadian Laboratory Initiative on Pediatric Reference Intervals (CALIPER), examined biological changes in biochemical markers from pediatric to geriatric age, establishing a comprehensive reference interval database for routine disease biomarkers...
August 2015: Clinical Chemistry
https://www.readbyqxmd.com/read/25932386/feminizing-adrenocortical-tumors-literature-review
#4
REVIEW
Farida Chentli, Ilyes Bekkaye, Said Azzoug
Feminizing adrenal tumors (FAT) are extremely rare tumors prevailing in males. Clinical manifestations are gynecomastia and/or other hypogonadism features in adults. They are rarer in pediatric population and their main manifestation is peripheral sexual precocity. In women genital bleeding, uterus hypertrophy, high blood pressure and/or abdomen mass may be the only manifestations. On the biological point, estrogen overproduction with or without increase in other adrenal hormones are the main abnormalities...
May 2015: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/25206216/comparison-of-shear-bond-strength-and-estimation-of-adhesive-remnant-index-between-light-cure-composite-and-dual-cure-composite-an-in-vitro-study
#5
Geeta Verma, Mridula Trehan, Sunil Sharma
AIMS AND OBJECTIVES: To measure and compare the shear bond strength and adhesive remnant index of light-cure composite. (Enlight, Ormco.) and dual-cure composite (Phase II dual cure, Reliance Ortho). MATERIALS AND METHODS: Sixty extracted human premolar teeth were divided into two groups: group I (blue): conventional light cure composite resin. (Enlight, Ormco.) and group II (green): dual cure composite resin. (Phase II dual cure, Reliance Ortho.) with 30 teeth in each group...
September 2013: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/24731789/neonatal-total-bilirubin-measurements-still-room-for-harmonization
#6
Dina N Greene, Joy Liang, Daniel T Holmes, Ann Resch, Thomas S Lorey
BACKGROUND: Universal screening of total bilirubin in neonates is endorsed by experts from the American Academy of Pediatrics and is increasingly common. Methodological differences between diazo-based quantitation ("wet" chemistry) and reflectance spectrophotometric quantitation ("dry" chemistry) can lead to unnecessary treatment. A recent recalibration of the only commercially available "dry" chemistry assay was issued to reduce these differences. This study evaluated the post-recalibration bias between the two assay types...
August 2014: Clinical Biochemistry
https://www.readbyqxmd.com/read/23578738/clsi-based-transference-of-the-caliper-database-of-pediatric-reference-intervals-from-abbott-to-beckman-ortho-roche-and-siemens-clinical-chemistry-assays-direct-validation-using-reference-samples-from-the-caliper-cohort
#7
Mathew P Estey, Ashley H Cohen, David A Colantonio, Man Khun Chan, Tina Binesh Marvasti, Edward Randell, Edgard Delvin, Jocelyne Cousineau, Vijaylaxmi Grey, Donald Greenway, Qing H Meng, Benjamin Jung, Jalaluddin Bhuiyan, David Seccombe, Khosrow Adeli
OBJECTIVES: The CALIPER program recently established a comprehensive database of age- and sex-stratified pediatric reference intervals for 40 biochemical markers. However, this database was only directly applicable for Abbott ARCHITECT assays. We therefore sought to expand the scope of this database to biochemical assays from other major manufacturers, allowing for a much wider application of the CALIPER database. DESIGN AND METHODS: Based on CLSI C28-A3 and EP9-A2 guidelines, CALIPER reference intervals were transferred (using specific statistical criteria) to assays performed on four other commonly used clinical chemistry platforms including Beckman Coulter DxC800, Ortho Vitros 5600, Roche Cobas 6000, and Siemens Vista 1500...
September 2013: Clinical Biochemistry
https://www.readbyqxmd.com/read/21291403/cellular-redox-modulator-ortho-mn-iii-meso-tetrakis-n-n-hexylpyridinium-2-yl-porphyrin-mntnhex-2-pyp-5-in-the-treatment-of-brain-tumors
#8
Stephen T Keir, Mark W Dewhirst, John P Kirkpatrick, Darell D Bigner, Ines Batinic-Haberle
Despite intensive efforts to improve multimodal treatment of brain tumor, survival remains limited. Current therapy consists of a combination of surgery, irradiation and chemotherapy with predisposition to long-term complications. Identifying novel targeted therapies is therefore at the forefront of brain tumor research. This study explores the utility of a manganese porphyrin in a brain tumor model. The compound used is ortho isomer, mangnese(III) meso-tetrakis(N-n-hexylpyridinium-2-yl)porphyrin, MnTnHex-2-PyP(5+)...
February 2011: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/21266593/the-development-of-udp-glucuronosyltransferases-1a1-and-1a6-in-the-pediatric-liver
#9
Shogo J Miyagi, Abby C Collier
UDP-glucuronosyltransferases (UGTs) are critical for the metabolism and clearance of drugs, chemicals, and hormones. The development of UGT1A1 and 1A6 was studied in 50 pediatric liver samples using bilirubin, serotonin activity assays, and Western blot as well as pharmacokinetic scaling. UGT activity developed age dependently in pediatric liver. Maximal activity of 0.7690 nmol · min · (-1) mg protein(-1) was observed for UGT1A1 at 3.8 months. For UGT1A6, activity matured at 14 months (4.737 nmol · min · (-1)mg protein(-1))...
May 2011: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/21175272/can-one-point-of-care-glucose-meter-be-used-for-all-pediatric-and-adult-hospital-patients-evaluation-of-three-meters-including-recently-modified-test-strips
#10
COMPARATIVE STUDY
Janet V Warner, Joyce Y Wu, Nita Buckingham, Donald S A McLeod, Barbara Mottram, Andrew C Carter
BACKGROUND: within hospitals, bedside blood glucose measurements are widely used for investigating suspected hyper- or hypoglycemia, monitoring diabetes, and adjusting glucose-lowering medication. Numerous point-of-care glucose meters are available, but for large hospitals using the same meter in all settings has practical and economic advantages. This investigation sought to identify a meter that was accurate, precise, and free from interferences, making it suitable for use across all ages and diseases...
January 2011: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/19692984/image-quality-dosimetric-property-of-an-investigational-imaging-beam-line-mv-cbct
#11
Chris Beltran, Renin Lukose, B Gangadharan, A Bani-Hashemi, Bruce A Faddegon
To measure and compare the contrast to noise ratio (CNR) as a function of dose for the CBCTs produced by the mega-voltage (MV) imaging beam line (IBL) and the treatment beam line (TBL), and to compare the dose to target and various critical structures of pediatric patients for the IBL CBCT versus standard TBL orthogonal port films. Two Siemens Oncor linear accelerators were modified at our institution such that the MV-CBCT would operate under an investigational IBL rather than the standard 6MV TBL. Prior to the modification, several CBCTs of an electron density phantom were acquired with the TBL at various dose values...
June 17, 2009: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/19440077/efficacy-and-safety-of-oros-methylphenidate-in-adults-with-attention-deficit-hyperactivity-disorder-a-randomized-placebo-controlled-double-blind-parallel-group-dose-escalation-study
#12
RANDOMIZED CONTROLLED TRIAL
Lenard A Adler, Brenda Zimmerman, H Lynn Starr, Steve Silber, Joseph Palumbo, Camille Orman, Thomas Spencer
OBJECTIVE: To assess the efficacy and safety of OROS methylphenidate (Concerta; McNeil Pediatrics Division of Ortho-McNeil-Janssen Pharmaceuticals, Inc, Titusville, NJ) in the management of attention-deficit/hyperactivity disorder (ADHD) in adults. METHODS: A randomized, 7-week, double-blind, placebo-controlled, dose-escalation, parallel-group study of OROS methylphenidate 36, 54, 72, 90, or 108 mg/d versus placebo was conducted in adults with ADHD. The primary end point was the Adult ADHD Investigator Symptom Report Scale...
June 2009: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/17947861/-proposal-of-a-health-situation-report-in-ortho-pedodontics
#13
A Polimeri, R Leonardi, A Laino, G Di Mauro
No abstract text is available yet for this article.
October 2007: Minerva Pediatrica
https://www.readbyqxmd.com/read/17580286/comparison-of-lactate-values-between-point-of-care-and-central-laboratory-analyzers
#14
COMPARATIVE STUDY
Brad S Karon, Renee Scott, Mary F Burritt, Paula J Santrach
Measurement of lactate levels is important in the care of critically ill adult and pediatric patients. We compared 3 whole blood lactate methods (Radiometer ABL 725, Radiometer Medical A/S, Bronshoj, Denmark; i-STAT, i-STAT, East Windsor, NJ; and Nova Lactate Plus, Nova Biomedical, Waltham, MA) with 2 plasma-based methods (Roche Integra, Roche Diagnostics, Indianapolis, IN; and Vitros, Ortho Clinical Diagnostics, Rochester, NY). The Vitros LAC slide assay was used as the reference method. Results were compared by least squares regression and Bland-Altmann plots and by comparing concordance within clinically relevant lactate ranges...
July 2007: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/15690129/inhibition-of-human-neuroblastoma-cell-growth-by-cay10404-a-highly-selective-cox-2-inhibitor
#15
Bhupesh Parashar, Sai Latha Shankar, Kathleen O'Guin, James Butler, Bhadrasain Vikram, Bridget Shafit-Zagardo
Neuroblastomas constitute about 10% of childhood cancers and are responsible for 15% of pediatric cancer mortality. We evaluated the efficacy and the mechanism of cell death induced by CAY10404, a selective cyclooxygenase-2 (Cox-2) inhibitor in four human neuroblastoma cell lines (SH-EP, SH-SY5Y, SK-N-MC and MSN). Treatment with CAY10404 in the range of 15-115 microM revealed a dose-dependent decrease in cell number and an average IC50 (inhibitory concentration 50%) of 60 microM. About 20-30% of the cells were terminal deoxynucleotidyltransferase-mediated UTP nick-end-labeling (TUNEL) positive 48 h after treatment...
January 2005: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/15493102/case-study-improving-efficiency-in-a-large-hospital-laboratory
#16
Marilynn Bartel
Saint Francis Health System (SFHS) consists of three hospitals and one clinic: Saint Francis Hospital (SFH); Broken Arrow Medical Center; Laureate Psychiatric Hospital; and Warren Clinic. SFHS has 670 physicians on staff and serves medical (oncology, orthopedic, neurology, and renal), surgical, cardiac, women and infant, pediatric, transplant, and trauma patients in Tulsa County, Oklahoma, which has a population of 660,000. SFH incorporates 706 staffed beds, including 126 pediatric beds and 119 critical care beds...
September 2004: Clinical Leadership & Management Review: the Journal of CLMA
https://www.readbyqxmd.com/read/14984326/prospective-memory-in-pediatric-traumatic-brain-injury-a-preliminary-study
#17
COMPARATIVE STUDY
Stephen R McCauley, Harvey S Levin
Prospective memory (PM) performance was investigated in a preliminary study of children and adolescents ages 10-19 in 3 groups: individuals with orthopedic injuries (not involving the head) requiring hospitalization (Ortho, N = 15), mild traumatic brain injury (TBI, N = 17), and severe TBI (N = 15). All participants with TBI were at least 5 years postinjury and participants in the Ortho group were at least 3 years postinjury. The PM task involved reporting words presented in blue during a category decision task in which words were presented in several different colors and participants were to determine which of two categories the word belonged...
2004: Developmental Neuropsychology
https://www.readbyqxmd.com/read/12730282/long-term-behavior-problems-following-pediatric-traumatic-brain-injury-prevalence-predictors-and-correlates
#18
Lisa Schwartz, H Gerry Taylor, Dennis Drotar, Keith Owen Yeates, Shari L Wade, Terry Stancin
OBJECTIVE: To study identified rates of long-term behavior problems in children with traumatic brain injury (TBI) compared to children with only orthopedic injuries and risk factors and correlates for new behavior problems following TBI. METHODS: Sample included children with severe TBI (n = 42), moderate TBI (n = 41), and orthopedic injuries only (ORTHO;n = 50). The baseline assessment measured child behavior, adaptation, and neuropsychological, academic, and family functioning...
June 2003: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/12584482/sibling-relationships-and-behavior-after-pediatric-traumatic-brain-injury
#19
COMPARATIVE STUDY
Erika E Swift, H Gerry Taylor, Astrida Seja Kaugars, Dennis Drotar, Keith Owen Yeates, Shari L Wade, Terry Stancin
To evaluate long-term outcomes for siblings of children with traumatic brain injury (TBI), measures of sibling relationships and sibling behavior were collected an average of 4 years postinjury. The study sample included participants in a larger longitudinal study who had school-aged siblings, including 34 with severe TBI, 30 with moderate TBI, and 39 with orthopedic injuries not involving brain insult (ORTHO group). Group comparisons revealed more negative sibling relationships in families of children with TBI than in families of children in the ORTHO group, but only for mixed-gender sibling pairings...
February 2003: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/10554323/the-effects-of-circulating-interleukin-8-and-adhesion-molecules-on-pulmonary-dysfunction-in-pediatric-orthotopic-liver-transplantation
#20
T Noguchi, T Kitano, F Ware, J Board, S Goto, S V Lynch, R W Strong
We investigated the effects of circulating inflammatory cytokines and adhesion molecules induced by ortho-topic liver transplantation (OLT) on pulmonary function. Although the plasma interleukin-8 (IL-8) levels increased gradually, peaking at the end of the operation, these increases were considered minimal. The baseline endothelial adhesion molecule (E-selectin) level was several times higher than the normal value, but after reperfusion of the new transplanted liver, the plasma E-selectin concentrations decreased to within the normal range and remained almost normal during the postoperative period...
1999: Surgery Today
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