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https://www.readbyqxmd.com/read/28640009/augmented-renal-clearance-using-population-based-pharmacokinetic-modeling-in-critically-ill-pediatric-patients
#1
Sean N Avedissian, Erin Bradley, Diana Zhang, John S Bradley, Lama H Nazer, Tri M Tran, Austin Nguyen, Jennifer Le
OBJECTIVES: The objectives of this study were to: 1) evaluate the prevalence of augmented renal clearance in critically ill pediatric patients using vancomycin clearance; 2) derive the pharmacokinetic model that best describes vancomycin clearance in critically ill pediatric patients; and 3) correlate vancomycin clearance with creatinine clearance estimated by modified Schwartz or Cockcroft-Gault. DESIGN: Retrospective, two-center, cohort study from 2003 to 2016...
June 20, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28634449/electromyography-data-processing-impacts-muscle-synergies-during-gait-for-unimpaired-children-and-children-with-cerebral-palsy
#2
Benjamin R Shuman, Michael H Schwartz, Katherine M Steele
Muscle synergies calculated from electromyography (EMG) data identify weighted groups of muscles activated together during functional tasks. Research has shown that fewer synergies are required to describe EMG data of individuals with neurologic impairments. When considering potential clinical applications of synergies, understanding how EMG data processing impacts results and clinical interpretation is important. The aim of this study was to evaluate how EMG signal processing impacts synergy outputs during gait...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28629942/can-a-target-zone-safer-than-lewinnek-s-safe-zone-be-defined-to-prevent-instability-of-total-hip-arthroplasties-case-control-study-of-56-dislocated-tha-and-93-matched-controls
#3
N Reina, S Putman, R Desmarchelier, E Sari Ali, P Chiron, M Ollivier, J Y Jenny, D Waast, C Mabit, E de Thomasson, C Schwartz, P Oger, L E Gayet, H Migaud, N Ramdane, M H Fessy
BACKGROUND: Various factors contribute to instability of total hip arthroplasty (THA), with implant orientation being a major contributor. We performed a case-control study with computed tomography (CT) data to determine whether 1) orientation contributes to THA instability and 2) a safer target zone for stability than Lewinnek's classic safe zone can be defined. MATERIAL AND METHODS: We included prospectively 363 cases of THA dislocation that occurred during the calendar 2013 year in 24 participating hospitals...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28613220/optical-coherence-tomography-baseline-predictors-for-initial-best-corrected-visual-acuity-response-to-intravitreal-anti-vascular-endothelial-growth-factor-treatment-in-eyes-with-diabetic-macular-edema-the-chartres-study
#4
Ana R Santos, Miguel  Costa, Christian Schwartz, Dalila Alves, João Figueira, Rufino Silva, Jose G Cunha-Vaz
PURPOSE: To identify baseline optical coherence tomography morphologic characteristics predicting the visual response to anti-vascular endothelial growth factor therapy in diabetic macular edema. METHODS: Sixty-seven patients with diabetic macular edema completed a prospective, observational study (NCT01947881-CHARTRES). All patients received monthly intravitreal injections of Lucentis for 3 months followed by PRN treatment and underwent best-corrected visual acuity measurements and spectral domain optical coherence tomography at Baseline, Months 1, 2, 3, and 6...
May 2, 2017: Retina
https://www.readbyqxmd.com/read/28609563/bayesian-forecasting-tool-to-predict-the-need-for-antidote-in-acute-acetaminophen-overdose
#5
Julie Desrochers, Jessica Wojciechowski, Wendy Klein-Schwartz, Jogarao V S Gobburu, Mathangi Gopalakrishnan
STUDY OBJECTIVE: Acetaminophen (APAP) overdose is the leading cause of acute liver injury in the United States. Patients with elevated plasma acetaminophen concentrations (PAC) require hepatoprotective treatment with N-acetylcysteine (NAC). These patients have been primarily risk-stratified using the Rumack-Matthew nomogram. Previous studies of acute APAP overdoses found that the nomogram failed to accurately predict the need for the antidote. The objectives of this study were to develop a population pharmacokinetic (PK) model for APAP following acute overdose and evaluate the utility of population PK model-based Bayesian forecasting in NAC administration decisions...
June 13, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28607687/glomerular-filtration-rate-trends-during-follow-up-in-children-with-steroid-sensitive-nephrotic-syndrome
#6
Sulaiman Alsaidi, Daniel Wagner, Silviu Grisaru, Julian Midgley, Lorraine Hamiwka, Andrew Wade, Alberto Nettel-Aguirre, Susan Samuel
BACKGROUND: Overall prognosis of children with steroid-sensitive nephrotic syndrome (SSNS) is regarded as generally favorable. However, only a few recent studies have evaluated changes in kidney function and blood pressure over time in children with SSNS. OBJECTIVES: We describe clinical features of SSNS patients and characterize changes in calculated estimated glomerular filtration rate (eGFR) and use of antihypertensive medications during follow-up. DESIGN: This is a retrospective cohort study...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28606382/a-phase-i-randomized-postcoital-testing-and-safety-study-of-the-caya-diaphragm-used-with-3-nonoxynol-9-gel-contragel-or-no-gel
#7
Christine K Mauck, Vivian Brache, Thomas Kimble, Andrea Thurman, Leila Cochon, Sarah Littlefield, Kim Linton, Gustavo F Doncel, Jill L Schwartz
OBJECTIVES: The Caya® Diaphragm is a newly approved single-size, non-latex diaphragm. Contragel® is a personal lubricant containing lactic acid approved in Europe and other countries for use with vaginal barrier devices. This study assessed the effectiveness in preventing sperm from penetrating midcycle cervical mucus of Caya with Contragel, Caya with 3% nonoxynol-9 (N-9), and Caya alone. STUDY DESIGN: Phase I multi-center, single-blind, randomized, crossover, non-significant risk study at 2 sites: Eastern Virginia Medical School, Norfolk, VA, and Profamilia, Santo Domingo, Dominican Republic...
June 9, 2017: Contraception
https://www.readbyqxmd.com/read/28603055/efficacy-of-a-4-food-elimination-diet-for-children-with-eosinophilic-esophagitis
#8
A F Kagalwalla, J B Wechsler, K Amsden, S Schwartz, M Makhija, A Olive, C M Davis, M Manuel-Rubio, S Marcus, M Sulkowski, K Johnson, J N Ross, M E Riffle, M Groetch, H Melin-Aldana, D Schady, H Palac, K-Y A Kim, B K Wershil, M H Collins, M Chehade
BACKGROUND & AIMS: A 6-food elimination diet induces remission in most children and adults with eosinophilic esophagitis (EoE). The effectiveness of empiric elimination of only 4 foods has not been studied in children. We performed a prospective observational outcome study in children with EoE treated with dietary exclusion of cow's milk, wheat, egg, and soy. The objective was to assess the clinical, endoscopic, and histologic efficacy of this treatment in EoE. METHODS: We recruited children (1-18 years old, diagnosed per consensus guidelines) from 4 medical centers...
June 8, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28591803/temporally-segmented-directionality-in-the-motor-cortex
#9
S B Suway, J Orellana, A J C McMorland, G W Fraser, Z Liu, M Velliste, S M Chase, R E Kass, A B Schwartz
Developing models of the dynamic and complex patterns of information processing that take place during behavior is a major thrust of systems neuroscience. An underlying assumption of many models is that the same set of rules applies across different conditions. This has been the case for directional tuning during volitional movement; a single cosine function has been remarkably robust for describing the encoding of movement direction in different types of neurons, in many locations of the nervous system, and even across species...
June 7, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28550606/renal-injury-in-pediatric-anorexia-nervosa-a-retrospective-study
#10
Chantal Stheneur, Sebastien J Bergeron, Jean-Yves Frappier, Olivier Jamoulle, Danielle Taddeo, Marc Sznajder, Anne-Laure Lapeyraque
PURPOSE: Although primarily a mental health disorder, anorexia nervosa (AN) has many physical consequences. Among them, the consequences on kidney function are often underestimated. We evaluated renal function in adolescent AN inpatients and investigated the correlation between the GFR and intrinsic patient characteristics. METHODS: A single-center retrospective study was conducted on 51 patients hospitalized for the restrictive type of AN in 2013. Data were divided into: (1) medical history of AN; (2) growth parameters and vital signs upon admission; and (3) blood tests...
May 26, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28546440/albuminuria-proteinuria-and-renal-disease-progression-in-children-with-ckd
#11
Dana Y Fuhrman, Michael F Schneider, Katherine M Dell, Tom D Blydt-Hansen, Robert Mak, Jeffrey M Saland, Susan L Furth, Bradley A Warady, Marva M Moxey-Mims, George J Schwartz
BACKGROUND AND OBJECTIVES: The role of albuminuria as an indicator of progression has not been investigated in children with CKD in the absence of diabetes. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Children were enrolled from 49 centers of the CKD in Children study between January of 2005 and March of 2014. Cross-sectional multivariable linear regression (n=647) was used to examine the relationship between urine protein-to-creatinine (UP/C [milligrams per milligram]) and albumin-to-creatinine (ACR [milligrams per gram]) with eGFR (milliliters per minute per 1...
June 7, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28543418/reconciling-patient-safety-and-epistemic-humility-an-ethical-use-of-opioid-treatment-plans
#12
Anita Ho
In this issue of the Hastings Center Report, Joshua Rager and Peter Schwartz suggest using opioid treatment agreements as public health monitoring tools to inform patients about "the requirements entailed by undergoing opioid therapy," rather than as contractual agreements to alter patients' individual behavior or to benefit them directly. Because Rager and Schwartz's argument presents suspected OTA violations as a justification to stop providing opioids yet does not highlight the broader epistemic and systemic context within which clinicians prescribe these medications, their proposal may perpetuate a climate of distrust and stigmatization without correcting systemic factors that may have placed patients and others at risk in the first place...
May 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28543412/opioid-treatment-agreements-repurposed-but-who-monitors-the-monitors
#13
Richard Payne
In this issue of the Hastings Center Report, Joshua Rager and Peter Schwartz reframe the justification for the use of opioid treatment agreements. Instead of documents used to define the roles and responsibilities of doctors and patients to one another in the course of opioid treatment for chronic pain and to describe the risks and benefits of therapy for the individual, OTAs are now proposed for use as "surveillance and monitoring" instruments. As such, they are specifically meant to disclose the risks of opioid therapy and to describe the other processes and tools used to monitor abuse and diversion of medications...
May 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28539235/multi-institutional-evaluation-of-women-at-high-risk-of-developing-breast-cancer
#14
David J Hermel, Marie E Wood, Jennifer Chun, Tiffany Rounds, Melissa Sands, Shira Schwartz, Freya R Schnabel
INTRODUCTION: We performed the present study to better understand the practices and preferences of women with an elevated risk of breast cancer by merging the registries from 2 separate institutions and comparing the clinical characteristics and outcomes. MATERIALS AND METHODS: The data from women enrolled in institutional review board-approved registries from 2003 to 2015 at the New York University Langone Medical Center and University of Vermont Medical Center were evaluated...
April 14, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28530314/-presentation-of-ocular-problems-among-displaced-persons-from-sudan-and-eritrea-at-the-tel-aviv-medical-center
#15
Roy Schwartz, Michaella Goldstein, Anat Loewenstein, Adiel Barak
INTRODUCTION: Illegal immigration from Africa to Israel expanded in recent years, bringing illegal immigrants, mostly from Eritrea and Sudan. No data regarding the ophthalmic conditions of this population was previously published. AIMS: To delineate reasons for ophthalmologic emergency room visits and hospitalizations in the ophthalmology department at a tertiary center in Tel Aviv, Israel. METHODS: In this retrospective study we reviewed the records of patients of Eritrean and Sudanese origin arriving at the ophthalmic emergency room at the Tel Aviv Sourasky Medical Center between June 2012 and August 2012 and hospitalized in the ophthalmology ward between August 2011 and August 2012...
January 2017: Harefuah
https://www.readbyqxmd.com/read/28495651/percentile-categorization-of-qt-interval-as-an-approach-for-identifying-adult-patients-at-risk-for-cardiovascular-death
#16
Reza Mohebi, Ayesha Jehan, Aaron Grober, Victor Froelicher
BACKGROUND: The results from studies of the association of QT prolongation with cardiovascular death (CVD) have been inconsistent. OBJECTIVE: The purpose of this study was to compare the major correction formulas to percentile values of QT for heart rate ranges as to their ability to remove the relationship of QT to heart rate and to predict CVD. METHODS: Participants were 16,531 veterans who had an initial ECG at the Veterans Affairs Medical Center, Palo Alto, between March 31, 1987, and December 20, 1999, and were followed for CVD...
May 8, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28473303/gapmap-enabling-comprehensive-autism-resource-epidemiology
#17
Nikhila Albert, Jena Daniels, Jessey Schwartz, Michael Du, Dennis P Wall
BACKGROUND: For individuals with autism spectrum disorder (ASD), finding resources can be a lengthy and difficult process. The difficulty in obtaining global, fine-grained autism epidemiological data hinders researchers from quickly and efficiently studying large-scale correlations among ASD, environmental factors, and geographical and cultural factors. OBJECTIVE: The objective of this study was to define resource load and resource availability for families affected by autism and subsequently create a platform to enable a more accurate representation of prevalence rates and resource epidemiology...
May 4, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28471976/comparative-effectiveness-of-prostate-cancer-treatments-for-patient-centered-outcomes-a-systematic-review-and-meta-analysis-prisma-compliant
#18
REVIEW
Ravishankar Jayadevappa, Sumedha Chhatre, Yu-Ning Wong, Marsha N Wittink, Ratna Cook, Knashawn H Morales, Neha Vapiwala, Diane K Newman, Thomas Guzzo, Alan J Wein, Stanley B Malkowicz, David I Lee, Jerome S Schwartz, Joseph J Gallo
BACKGROUND: In the context of prostate cancer (PCa) characterized by the multiple alternative treatment strategies, comparative effectiveness analysis is essential for informed decision-making. We analyzed the comparative effectiveness of PCa treatments through systematic review and meta-analysis with a focus on outcomes that matter most to newly diagnosed localized PCa patients. METHODS: We performed a systematic review of literature published in English from 1995 to October 2016...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28455620/trends-in-economic-homogamy-changes-in-assortative-mating-or-the-division-of-labor-in-marriage
#19
Pilar Gonalons-Pons, Christine R Schwartz
The growing economic resemblance of spouses has contributed to rising inequality by increasing the number of couples in which there are two high- or two low-earning partners. The dominant explanation for this trend is increased assortative mating. Previous research has primarily relied on cross-sectional data and thus has been unable to disentangle changes in assortative mating from changes in the division of spouses' paid labor-a potentially key mechanism given the dramatic rise in wives' labor supply. We use data from the Panel Study of Income Dynamics (PSID) to decompose the increase in the correlation between spouses' earnings and its contribution to inequality between 1970 and 2013 into parts due to (a) changes in assortative mating, and (b) changes in the division of paid labor...
April 28, 2017: Demography
https://www.readbyqxmd.com/read/28454604/collaboration-guidelines-between-sleep-physicians-and-dentists-in-the-management-of-obstructive-sleep-apnea-an-american-academy-of-dental-sleep-medicine-and-american-academy-of-sleep-medicine-joint-position-statement
#20
Kannan Ramar, James A Rowley, Stuart F Quan, Kathleen M Bennett, Alan Blanton, Kelly A Carden, Ronald D Chervin, Leslie Dort, Douglas B Kirsch, David A Kristo, Mitchell Levine, Raman K Malhotra, Jennifer L Martin, Eric J Olson, Kevin Postol, Ilene M Rosen, Thomas Schell, David Schwartz, Rose Sheats, Harold Smith, Nathaniel F Watson, Terri E Weaver
The boards of directors of the American Academy of Dental Sleep Medicine (AADSM) and the American Academy of Sleep Medicine (AASM) approved this position statement to provide more detailed clarification regarding the appropriate role of dentists and physicians, respectively, in the treatment and ongoing management of obstructive sleep apnea (OSA) using oral appliance therapy (OAT). In order to promote high quality, patient-centered care for patients who have chosen OAT, and to effectively and collaboratively manage these patients, dentists and sleep physicians should follow the recommendations in the updated clinical practice guideline for the treatment of OSA and snoring with OAT, which was published jointly by the AADSM and AASM in 2015...
April 25, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
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