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Full-Text Articles in Medicine and Health Sciences

Assessing The Structural Validity Of The Measure Of Processes Of Care (Mpoc-20) In Children With Epilepsy, Kariym Christopher Joachim Dec 2014

Assessing The Structural Validity Of The Measure Of Processes Of Care (Mpoc-20) In Children With Epilepsy, Kariym Christopher Joachim

Electronic Thesis and Dissertation Repository

The goal of this thesis was to determine whether the 20-item Measure of Processes of Care (MPOC-20) questionnaire remains structurally/factorially valid among children with epilepsy, and to propose adaptations if it did not. Establishing the MPOC-20’s structural validity in this population makes it possible to draw conclusions on the potential effects of parent-perceived Family-Centred Care (FCC) on health outcomes within this population. Data came from the Health-related Quality of Life for Children with Epilepsy Study (HERQULES). Confirmatory Factor Analysis (CFA) indicated that the original five factor model fit poorly in children with epilepsy. An exploratory analysis within a CFA framework …


Increased Risk For Vitamin D Deficiency In Obese Children With Both Celiac Disease And Type 1 Diabetes, Nithya Setty-Shah, Louise S. Maranda, Benjamin U. Nwosu Dec 2014

Increased Risk For Vitamin D Deficiency In Obese Children With Both Celiac Disease And Type 1 Diabetes, Nithya Setty-Shah, Louise S. Maranda, Benjamin U. Nwosu

Benjamin U. Nwosu

Background. It is unknown whether the coexistence of type 1 diabetes (T1D) and celiac disease (CD) increases the risk for vitamin D deficiency.

Aims. To determine the vitamin D status and the risk for vitamin D deficiency in prepubertal children with both T1D and CD compared to controls, TID, and CD.

Subjects and Methods. Characteristics of 62 prepubertal children of age 2–13 y with either CD + T1D (� = 22, 9.9 ± 3.1 y), CD only (� = 18, 8.9 ± 3.3 y), or T1D only (� = 22, 10.1 ± 2.8 y) were compared to 49 controls of …


Pupillometry: A Non-Invasive Technique For Pain Assessment In Paediatric Patients., Mark A. Connelly, Jacob T. Brown, Gregory L. Kearns, Rawni A. Anderson, Shawn D. St Peter, Kathleen A. Neville Dec 2014

Pupillometry: A Non-Invasive Technique For Pain Assessment In Paediatric Patients., Mark A. Connelly, Jacob T. Brown, Gregory L. Kearns, Rawni A. Anderson, Shawn D. St Peter, Kathleen A. Neville

Manuscripts, Articles, Book Chapters and Other Papers

OBJECTIVE: Pupillometry has been used to assess pain intensity and response to analgesic medications in adults. The aim of this observational study was to explore proof of concept for the use of this technique in paediatric patients. Changes in pupil parameters before and after opioid exposure also were evaluated.

DESIGN AND SETTING: This was a single-centre, prospective study conducted at an academic paediatric medical centre.

PATIENTS: Children 9-17 years of age undergoing elective surgical correction of pectus excavatum were enrolled into a protocol approved by the human ethical committee (institutional review board).

INTERVENTIONS: Pupil size and reactivity were measured using …


Subspecialty Surveillance Of Long-Term Course Of Small And Moderate Muscular Ventricular Septal Defect: Heterogenous Practices, Low Yield., Erik L. Frandsen, Aswathy V. House, Yunbin Xiao, David A. Danford, Shelby Kutty Nov 2014

Subspecialty Surveillance Of Long-Term Course Of Small And Moderate Muscular Ventricular Septal Defect: Heterogenous Practices, Low Yield., Erik L. Frandsen, Aswathy V. House, Yunbin Xiao, David A. Danford, Shelby Kutty

Journal Articles: Pediatrics

BACKGROUND: No expert consensus guides practice for intensity of ongoing pediatric cardiology surveillance of hemodynamically insignificant small and moderate muscular ventricular septal defect (mVSD). Therefore, despite the well-established benign natural history of mVSD, there is potential for widely divergent follow up practices. The purpose of this investigation was to evaluate (1) variations in follow up of mVSD within an academic children's hospital based pediatric cardiology practice, and (2) the frequency of active medical or surgical management resulting from follow up of mVSD.

METHODS: We retrospectively reviewed records of 600 patients with isolated mVSD echocardiographically diagnosed between 2006 and 2012. Large …


A Potential Role For Adjunctive Vitamin D Therapy In The Management Of Weight Gain And Metabolic Side Effects Of Second-Generation Antipsychotics, Benjamin U. Nwosu, Bruce Meltzer, Louise Maranda, Carol A. Ciccarelli, Daniel Reynolds, Laura A. Curtis, Jean A. King, Jean A. Frazier, Mary M. Lee Sep 2014

A Potential Role For Adjunctive Vitamin D Therapy In The Management Of Weight Gain And Metabolic Side Effects Of Second-Generation Antipsychotics, Benjamin U. Nwosu, Bruce Meltzer, Louise Maranda, Carol A. Ciccarelli, Daniel Reynolds, Laura A. Curtis, Jean A. King, Jean A. Frazier, Mary M. Lee

Mary M. Lee

Second-generation antipsychotic (SGA) medications introduced about 20 years ago are increasingly used to treat psychiatric illnesses in children and adolescents. There has been a five-fold increase in the use of these medications in U.S. children and adolescents in the past decade. However, there has also been a parallel rise in the incidence of side effects associated with these medications, such as obesity, dyslipidemia, insulin resistance, and diabetes mellitus. Despite the severity of these complications and their financial impact on the national healthcare budget, there is neither a clear understanding of the mechanisms contributing to these side effects nor the best …


Vitamin D Status Is Associated With Early Markers Of Cardiovascular Disease In Prepubertal Children, Benjamin U. Nwosu, Louise Maranda, Karen Cullen, Carol A. Ciccarelli, Mary M. Lee Sep 2014

Vitamin D Status Is Associated With Early Markers Of Cardiovascular Disease In Prepubertal Children, Benjamin U. Nwosu, Louise Maranda, Karen Cullen, Carol A. Ciccarelli, Mary M. Lee

Mary M. Lee

Background: The associations of 25-hydroxyvitamin D [25(OH)D], non-high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL), and related markers of early cardiovascular disease (CVD) are unclear in prepubertal children. Objective: To investigate the association of 25(OH)D with markers of CVD. The hypothesis was that 25(OH)D would vary inversely with non-HDL-C. Subjects and methods: A prospective cross-sectional study of children (n=45; 26 males, 19 females) of mean age 8.3 ± 2.5 years to investigate the relationships between 25(OH)D and glucose, insulin, high-sensitivity C-reactive protein, and lipids. Vitamin D deficiency was defined as 25(OH)D/mL; overweight as body mass index (BMI) ≥ 85 th but …


Parental Mastery Of Continuous Subcutaneous Insulin Infusion Skills And Glycemic Control In Youth With Type 1 Diabetes, Kathleen Mitchell, Kimberley Johnson, Karen Cullen, Mary M. Lee, Olga T. Hardy Sep 2014

Parental Mastery Of Continuous Subcutaneous Insulin Infusion Skills And Glycemic Control In Youth With Type 1 Diabetes, Kathleen Mitchell, Kimberley Johnson, Karen Cullen, Mary M. Lee, Olga T. Hardy

Mary M. Lee

OBJECTIVE: The purpose of this study is to determine whether parental knowledge of the continuous subcutaneous insulin infusion (CSII) device affects glycemic control as measured by hemoglobin A1c (A1C) level. SUBJECTS AND METHODS: Parents of children with type 1 diabetes mellitus (T1DM) using CSII completed a 14-item questionnaire. Questions 1-10 were knowledge-based questions that required the parent to extract specific information from their child's CSII device. Questions 11-14 asked parents to provide a self-assessment of their CSII knowledge. RESULTS: Twenty-two parents of youth with T1DM participated in the study. Ten of the youth were in the Low-A1C group (A1C/=8%). Parents …


Clinical And Biochemical Function Of Polymorphic Nr0b1 Ggaa-Microsatellites In Ewing Sarcoma: A Report From The Children's Oncology Group., Michael J. Monument, Kirsten M. Johnson, Elizabeth Mcilvaine, Lisa Abegglen, W. Scott Watkins, Lynn B. Jorde, Richard B. Womer, Natalie Beeler, Laura Monovich, Elizabeth R. Lawlor, Julia A. Bridge, Joshua D. Schiffman, Mark D Krailo, R. Lor Randall, Stephen L. Lessnick Aug 2014

Clinical And Biochemical Function Of Polymorphic Nr0b1 Ggaa-Microsatellites In Ewing Sarcoma: A Report From The Children's Oncology Group., Michael J. Monument, Kirsten M. Johnson, Elizabeth Mcilvaine, Lisa Abegglen, W. Scott Watkins, Lynn B. Jorde, Richard B. Womer, Natalie Beeler, Laura Monovich, Elizabeth R. Lawlor, Julia A. Bridge, Joshua D. Schiffman, Mark D Krailo, R. Lor Randall, Stephen L. Lessnick

Journal Articles: Pathology and Microbiology

BACKGROUND: The genetics involved in Ewing sarcoma susceptibility and prognosis are poorly understood. EWS/FLI and related EWS/ETS chimeras upregulate numerous gene targets via promoter-based GGAA-microsatellite response elements. These microsatellites are highly polymorphic in humans, and preliminary evidence suggests EWS/FLI-mediated gene expression is highly dependent on the number of GGAA motifs within the microsatellite.

OBJECTIVES: Here we sought to examine the polymorphic spectrum of a GGAA-microsatellite within the NR0B1 promoter (a critical EWS/FLI target) in primary Ewing sarcoma tumors, and characterize how this polymorphism influences gene expression and clinical outcomes.

RESULTS: A complex, bimodal pattern of EWS/FLI-mediated gene expression was observed …


Death Of A Child In The Emergency Department., American Academy Of Pediatrics Committee On Pediatric Emergency Medicine, American College Of Emergency Physicians Pediatric Emergency Medicine Committee, Emergency Nurses Association Pediatric Committee, Gregory P. Conners Jul 2014

Death Of A Child In The Emergency Department., American Academy Of Pediatrics Committee On Pediatric Emergency Medicine, American College Of Emergency Physicians Pediatric Emergency Medicine Committee, Emergency Nurses Association Pediatric Committee, Gregory P. Conners

Manuscripts, Articles, Book Chapters and Other Papers

The American Academy of Pediatrics, American College of Emergency Physicians, and Emergency Nurses Association have collaborated to identify practices and principles to guide the care of children, families, and staff in the challenging and uncommon event of the death of a child in the emergency department in this policy statement and in an accompanying technical report.


Death Of A Child In The Emergency Department., Patricia O'Malley, Isabel Barata, Sally Snow, American Academy Of Pediatrics Committee On Pediatric Emergency Medicine, American College Of Emergency Physicians Pediatric Emergency Medicine Committee, Gregory P. Conners Jul 2014

Death Of A Child In The Emergency Department., Patricia O'Malley, Isabel Barata, Sally Snow, American Academy Of Pediatrics Committee On Pediatric Emergency Medicine, American College Of Emergency Physicians Pediatric Emergency Medicine Committee, Gregory P. Conners

Manuscripts, Articles, Book Chapters and Other Papers

The death of a child in the emergency department (ED) is one of the most challenging problems facing ED clinicians. This revised technical report and accompanying policy statement reaffirm principles of patient- and family-centered care. Recent literature is examined regarding family presence, termination of resuscitation, bereavement responsibilities of ED clinicians, support of child fatality review efforts, and other issues inherent in caring for the patient, family, and staff when a child dies in the ED. Appendices are provided that offer an approach to bereavement activities in the ED, carrying out forensic responsibilities while providing compassionate care, communicating the news of …


Functional Health Status In Children And Adolescents After Fontan: Comparison Of Generic And Disease-Specific Assessments., Brian W. Mccrindle, Victor Zak, Victoria L. Pemberton, Linda M. Lambert, Victoria L. Vetter, Wyman W. Lai, Karen Uzark, Renee Margossian, Andrew M. Atz, Amanda Cook, Jane W. Newburger, Pediatric Heart Network Investigators, Girish S. Shirali Jun 2014

Functional Health Status In Children And Adolescents After Fontan: Comparison Of Generic And Disease-Specific Assessments., Brian W. Mccrindle, Victor Zak, Victoria L. Pemberton, Linda M. Lambert, Victoria L. Vetter, Wyman W. Lai, Karen Uzark, Renee Margossian, Andrew M. Atz, Amanda Cook, Jane W. Newburger, Pediatric Heart Network Investigators, Girish S. Shirali

Manuscripts, Articles, Book Chapters and Other Papers

PURPOSE: The aim of this study was to compare associations between generic versus disease-specific functional health status assessments and patient and clinical characteristics for patients with severe congenital heart disease.

METHODS: This was a cross-sectional observational study involving 325 single ventricle patients, aged 10-18 years, after Fontan procedure. Enrolled patients underwent a medical history review, laboratory testing, and assessment of the functional health status by completion of the generic Child Report Child Health Questionnaire and the disease-specific Congenital Heart Adolescent and Teenage questionnaire. Correlated conceptually equivalent domains from both questionnaires were identified and their associations with patient and clinical variables …


Influence Of A Palliative Care Protocol On Nurses' Perceived Barriers To Palliative Care And Moral Distress, Christina Cavinder May 2014

Influence Of A Palliative Care Protocol On Nurses' Perceived Barriers To Palliative Care And Moral Distress, Christina Cavinder

Evidence-Based Practice Project Reports

The World Health Organization (2013) states palliative care for children should begin at diagnosis which may even occur prenatally. Neonatal palliative care is variable due to the high technological, curative environment in the newborn intensive care unit, and the uncertain prognoses of infants born at the edge of viability. The purpose of this EBP project was to determine the influence of establishing a neonatal palliative care protocol on nurses’ perceived barriers to palliative care and moral distress. Corley’s Moral Distress theory and Stetler’s Model were used as guides for the framework of the project. The protocol, based on guidelines supported …


Lean Body Mass May Explain Apparent Racial Differences In Carotid Intima-Media Thickness In Obese Children., Shahryar M. Chowdhury, Melissa H. Henshaw, Brad Friedman, J Philip Saul, Girish S. Shirali, Janet Carter, Bryana M. Levitan, Tom Hulsey May 2014

Lean Body Mass May Explain Apparent Racial Differences In Carotid Intima-Media Thickness In Obese Children., Shahryar M. Chowdhury, Melissa H. Henshaw, Brad Friedman, J Philip Saul, Girish S. Shirali, Janet Carter, Bryana M. Levitan, Tom Hulsey

Manuscripts, Articles, Book Chapters and Other Papers

Background: Racial differences in carotid intima-media thickness (cIMT) have been suggested to be associated with the disproportionally high prevalence of cardiovascular disease in black adults. The objective of this study was to evaluate the effects of cardiovascular risk factors on the racial differences seen in cIMT in obese children.

Methods: Obese subjects aged 4 to 21 years were recruited prospectively. Height, weight, blood pressure, fasting insulin, glucose, lipid panel, high-sensitivity C-reactive protein, and body composition by dual-energy x-ray absorptiometry were obtained. B-mode carotid imaging was analyzed by a single blinded physician.

Results: A total of 120 subjects (46 white, 74 …


Pediatric Care Recommendations For Freestanding Urgent Care Facilities., Committee On Pediatric Emergency Medicine, Gregory P. Conners May 2014

Pediatric Care Recommendations For Freestanding Urgent Care Facilities., Committee On Pediatric Emergency Medicine, Gregory P. Conners

Manuscripts, Articles, Book Chapters and Other Papers

Treatment of children at freestanding urgent care facilities has become common in pediatric health care. Well-managed freestanding urgent care facilities can improve the health of the children in their communities, integrate into the medical community, and provide a safe, effective adjunct to, but not a replacement for, the medical home or emergency department. Recommendations are provided for optimizing freestanding urgent care facilities' quality, communication, and collaboration in caring for children.


Variability Of M-Mode Versus Two-Dimensional Echocardiography Measurements In Children With Dilated Cardiomyopathy., Caroline K. Lee, Renee Margossian, Lynn A. Sleeper, Charles E. Canter, Shan Chen, Lloyd Y. Tani, Girish S. Shirali, Anita Szwast, Elif Seda Selamet Tierney, M Jay Campbell, Fraser Golding, Yanli Wang, Karen Altmann, Steven D. Colan, Pediatric Heart Network Investigators Apr 2014

Variability Of M-Mode Versus Two-Dimensional Echocardiography Measurements In Children With Dilated Cardiomyopathy., Caroline K. Lee, Renee Margossian, Lynn A. Sleeper, Charles E. Canter, Shan Chen, Lloyd Y. Tani, Girish S. Shirali, Anita Szwast, Elif Seda Selamet Tierney, M Jay Campbell, Fraser Golding, Yanli Wang, Karen Altmann, Steven D. Colan, Pediatric Heart Network Investigators

Manuscripts, Articles, Book Chapters and Other Papers

M-mode and 2-dimensional (2D) echocardiographic imaging are routinely used to quantify left-ventricular (LV) size and function in pediatric patients with dilated cardiomyopathy (DCM). The reproducibility of and correlation between these techniques are unknown. This analysis sought to compare interreader, intrareader, and interacquisition reproducibility of M-mode versus 2D measurements in pediatric DCM patients. The Ventricular Volume Variability study of the Pediatric Heart Network is a multicenter, prospective, observational study assessing the course of chronic DCM in children. Two sonographers performed baseline image acquisitions locally, and two readers performed measurements at the echocardiographic core laboratory. One reader repeated measurements 1 month later. …


Withholding Or Termination Of Resuscitation In Pediatric Out-Of-Hospital Traumatic Cardiopulmonary Arrest., American College Of Surgeons Committee On Trauma, American College Of Emergency Physicians Pediatric Emergency Medicine Committee, National Association Of Ems Physicians, American Academy Of Pediatrics Committee On Pediatric Emergency Medicine,, Mary E. Fallat, Gregory P. Conners Apr 2014

Withholding Or Termination Of Resuscitation In Pediatric Out-Of-Hospital Traumatic Cardiopulmonary Arrest., American College Of Surgeons Committee On Trauma, American College Of Emergency Physicians Pediatric Emergency Medicine Committee, National Association Of Ems Physicians, American Academy Of Pediatrics Committee On Pediatric Emergency Medicine,, Mary E. Fallat, Gregory P. Conners

Manuscripts, Articles, Book Chapters and Other Papers

This multiorganizational literature review was undertaken to provide an evidence base for determining whether recommendations for out-of-hospital termination of resuscitation could be made for children who are victims of traumatic cardiopulmonary arrest. Although there is increasing acceptance of out-of-hospital termination of resuscitation for adult traumatic cardiopulmonary arrest when there is no expectation of a good outcome, children are routinely excluded from state termination-of-resuscitation protocols. The decision to withhold resuscitative efforts in a child under specific circumstances (decapitation or dependent lividity, rigor mortis, etc) is reasonable. If there is any doubt as to the circumstances or timing of the traumatic cardiopulmonary …


Influence Of The X-Chromosome On Neuroanatomy: Evidence From Turner And Klinefelter Syndromes., David S Hong, Fumiko Hoeft, Matthew J Marzelli, Jean-Francois Lepage, David Roeltgen, Judith L. Ross, Allan L Reiss Mar 2014

Influence Of The X-Chromosome On Neuroanatomy: Evidence From Turner And Klinefelter Syndromes., David S Hong, Fumiko Hoeft, Matthew J Marzelli, Jean-Francois Lepage, David Roeltgen, Judith L. Ross, Allan L Reiss

Department of Psychiatry and Human Behavior Faculty Papers

Studies of sex effects on neurodevelopment have traditionally focused on animal models investigating hormonal influences on brain anatomy. However, more recent evidence suggests that sex chromosomes may also have direct upstream effects that act independently of hormones. Sex chromosome aneuploidies provide ideal models to examine this framework in humans, including Turner syndrome (TS), where females are missing one X-chromosome (45X), and Klinefelter syndrome (KS), where males have an additional X-chromosome (47XXY). As these disorders essentially represent copy number variants of the sex chromosomes, investigation of brain structure across these disorders allows us to determine whether sex chromosome gene dosage effects …


High-Speed Optical Coherence Tomography As A Reliable Adjuvant Tool To Grade Ocular Anterior Chamber Inflammation., Ann O. Igbre, Mario C. Rico, Sunir Garg Mar 2014

High-Speed Optical Coherence Tomography As A Reliable Adjuvant Tool To Grade Ocular Anterior Chamber Inflammation., Ann O. Igbre, Mario C. Rico, Sunir Garg

Wills Eye Hospital Papers

PURPOSE: To evaluate the high-speed anterior segment optical coherence tomography (AS-OCT) grading of the AS inflammation in patients with ocular inflammation.

METHODS: A retrospective consecutive case series study. Patients with clinically visible AS inflammation in at least one eye underwent AS-OCT (Visante; Zeiss Meditec) with three to eight line scans per eye, performed by a trained masked examiner. The images were reviewed for hyperreflective spots, noise, and artifact, and these were correlated to clinical examination.

RESULTS: Seventy-eight eyes of 41 patients were imaged. Forty-seven eyes had anterior chamber cells on clinical examination, and 68 had hyperreflective spots visible on AS-OCT. …


Headstrong Intervention For Pediatric Migraine Headache: A Randomized Clinical Trial., Michael A. Rapoff, Mark Connelly, Jennifer Bickel, Scott W. Powers, Andrew D. Hershey, Janelle R. Allen, Cynthia W. Karlson, Catrina C. Litzenburg, John M. Belmont Feb 2014

Headstrong Intervention For Pediatric Migraine Headache: A Randomized Clinical Trial., Michael A. Rapoff, Mark Connelly, Jennifer Bickel, Scott W. Powers, Andrew D. Hershey, Janelle R. Allen, Cynthia W. Karlson, Catrina C. Litzenburg, John M. Belmont

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND: The purpose of this study was to evaluate the efficacy of a self-guided CD-ROM program ("Headstrong") containing cognitive-behavioral self-management strategies versus an educational CD-ROM program for treating headaches, headache-related disability, and quality of life.

METHODS: Participants were 35 children ages 7-12 years with migraine recruited from one university medical center and two children's hospital headache clinics. Participants were randomly assigned to complete the Headstrong or educational control CD-ROM program over a 4-week period. Data on headache frequency, duration, and severity, migraine-related disability, and quality of life (QOL) were obtained at baseline, post-intervention, and 3-months post-intervention.

RESULTS: At post-intervention, Headstrong …


Effect Of The Planet Health Intervention On Eating Disorder Symptoms In Massachusetts Middle Schools, 2005-2008, S. Bryn Austin, Jennifer L. Spadano-Gasbarro, Mary L. Greaney, Emily A. Blood, Anne T. Hunt, Tracy K. Richmond, Monica L. Wang, Solomon Mezgebu, Stavroula K. Osganian, Karen E. Peterson Feb 2014

Effect Of The Planet Health Intervention On Eating Disorder Symptoms In Massachusetts Middle Schools, 2005-2008, S. Bryn Austin, Jennifer L. Spadano-Gasbarro, Mary L. Greaney, Emily A. Blood, Anne T. Hunt, Tracy K. Richmond, Monica L. Wang, Solomon Mezgebu, Stavroula K. Osganian, Karen E. Peterson

Monica L. Wang

INTRODUCTION: The Planet Health obesity prevention curriculum has prevented purging and abuse of diet pills (disordered weight control behavior [DWCB]) in middle-school girls in randomized trials, but the effects of Planet Health on DWCB when implemented by schools under dissemination conditions are not known. METHODS: Massachusetts Department of Public Health and Blue Cross Blue Shield of Massachusetts disseminated Planet Health as part of the 3-year, Healthy Choices obesity prevention program in middle schools. We conducted an evaluation in 45 schools from fall 2005 to spring 2008. We gathered data from school staff to quantify intervention activities, and we gathered anonymous …


T Cell Receptor Vbeta Gene Usage In Thai Children With Dengue Virus Infection, Susan J. Gagnon, Anita M. Leporati, Sharone Green, Siripen Kalayanarooj, David W. Vaughn, Henry A. F. Stephens, Saroj Suntayakorn, Ichiro Kurane, Francis A. Ennis, Alan L. Rothman Jan 2014

T Cell Receptor Vbeta Gene Usage In Thai Children With Dengue Virus Infection, Susan J. Gagnon, Anita M. Leporati, Sharone Green, Siripen Kalayanarooj, David W. Vaughn, Henry A. F. Stephens, Saroj Suntayakorn, Ichiro Kurane, Francis A. Ennis, Alan L. Rothman

Sharone Green

T lymphocyte activation during dengue is thought to contribute to the pathogenesis of dengue hemorrhagic fever (DHF). We examined the T cell receptor Vbeta gene usage by a reverse transcriptase-polymerase chain reaction assay during infection and after recovery in 13 children with DHF and 13 children with dengue fever (DF). There was no deletion of specific Vbeta gene families. We detected significant expansions in usage of single Vbeta families in six subjects with DHF and three subjects with DF over the course of infection, but these did not show an association with clinical diagnosis, viral serotype, or HLA alleles. Differences …


Prediction Of Dengue Disease Severity Among Pediatric Thai Patients Using Early Clinical Laboratory Indicators, James A. Potts, Robert V. Gibbons, Alan L. Rothman, Anon Srikiatkhachorn, Stephen J. Thomas, Pra-On Supradish, Stephenie C. Lemon, Daniel H. Libraty, Sharone Green, Siripen Kalayanarooj Jan 2014

Prediction Of Dengue Disease Severity Among Pediatric Thai Patients Using Early Clinical Laboratory Indicators, James A. Potts, Robert V. Gibbons, Alan L. Rothman, Anon Srikiatkhachorn, Stephen J. Thomas, Pra-On Supradish, Stephenie C. Lemon, Daniel H. Libraty, Sharone Green, Siripen Kalayanarooj

Sharone Green

BACKGROUND: Dengue virus is endemic in tropical and sub-tropical resource-poor countries. Dengue illness can range from a nonspecific febrile illness to a severe disease, Dengue Shock Syndrome (DSS), in which patients develop circulatory failure. Earlier diagnosis of severe dengue illnesses would have a substantial impact on the allocation of health resources in endemic countries. METHODS AND FINDINGS: We compared clinical laboratory findings collected within 72 hours of fever onset from a prospective cohort children presenting to one of two hospitals (one urban and one rural) in Thailand. Classification and regression tree analysis was used to develop diagnostic algorithms using different …


Whole Exome Sequencing Identifies Novel Genes For Fetal Hemoglobin Response To Hydroxyurea In Children With Sickle Cell Anemia., V. A. Sheehan, J. R. Crosby, A. Sabo, N. A. Mortier, T. A. Howard, D. M. Muzny, S. Dugan-Perez, Banu Aygun, K. A. Nottage, J. M. Flanagan, +3 Additional Authors Jan 2014

Whole Exome Sequencing Identifies Novel Genes For Fetal Hemoglobin Response To Hydroxyurea In Children With Sickle Cell Anemia., V. A. Sheehan, J. R. Crosby, A. Sabo, N. A. Mortier, T. A. Howard, D. M. Muzny, S. Dugan-Perez, Banu Aygun, K. A. Nottage, J. M. Flanagan, +3 Additional Authors

Journal Articles

Hydroxyurea has proven efficacy in children and adults with sickle cell anemia (SCA), but with considerable inter-individual variability in the amount of fetal hemoglobin (HbF) produced. Sibling and twin studies indicate that some of that drug response variation is heritable. To test the hypothesis that genetic modifiers influence pharmacological induction of HbF, we investigated phenotype-genotype associations using whole exome sequencing of children with SCA treated prospectively with hydroxyurea to maximum tolerated dose (MTD). We analyzed 171 unrelated patients enrolled in two prospective clinical trials, all treated with dose escalation to MTD. We examined two MTD drug response phenotypes: HbF (final …


Differential Expression Of The Nuclear-Encoded Mitochondrial Transcriptome In Pediatric Septic Shock., Scott L Weiss, Natalie Z Cvijanovich, Geoffrey L Allen, Neal J Thomas, Robert J. Freishtat, Nick Anas, +11 Additional Authors Jan 2014

Differential Expression Of The Nuclear-Encoded Mitochondrial Transcriptome In Pediatric Septic Shock., Scott L Weiss, Natalie Z Cvijanovich, Geoffrey L Allen, Neal J Thomas, Robert J. Freishtat, Nick Anas, +11 Additional Authors

Pediatrics Faculty Publications

INTRODUCTION: Increasing evidence supports a role for mitochondrial dysfunction in organ injury and immune dysregulation in sepsis. Although differential expression of mitochondrial genes in blood cells has been reported for several diseases in which bioenergetic failure is a postulated mechanism, there are no data about the blood cell mitochondrial transcriptome in pediatric sepsis.

METHODS: We conducted a focused analysis using a multicenter genome-wide expression database of 180 children ≤ 10 years of age with septic shock and 53 healthy controls. Using total RNA isolated from whole blood within 24 hours of PICU admission for septic shock, we evaluated 296 nuclear-encoded …


American And Brazilian Children With Primary Urolithiasis: Similarities And Disparities., Maria Goretti Moreira Guimarães Penido, Marcelo De Sousa Tavares, Milena Maria Moreira Guimarães, Tarak Srivastava, Uri S. Alon Jan 2014

American And Brazilian Children With Primary Urolithiasis: Similarities And Disparities., Maria Goretti Moreira Guimarães Penido, Marcelo De Sousa Tavares, Milena Maria Moreira Guimarães, Tarak Srivastava, Uri S. Alon

Manuscripts, Articles, Book Chapters and Other Papers

Objectives. Considering the differences in location, socioeconomic background, and cultural background, the aim of this study was to try to identify possible factors associated with the increased incidence of urolithiasis by comparing American and Brazilian children with stones.
Methods. Data of 222 American and 190 Brazilian children with urolithiasis were reviewed including age, gender, body mass index, imaging technique used (ultrasound and computed tomography), and 24-hour urine volume and chemistries.
Results. There were no differences between age and gender at diagnosis. Brazilian children were leaner but in no population did obesity rate exceed that of the general population. Ultrasound was …


Early Recovery In Post Varicella Transverse Myelitis, Prem Chand, Shahnaz Brahim, Syed Sohail Zaidi, Nida Amjad Jan 2014

Early Recovery In Post Varicella Transverse Myelitis, Prem Chand, Shahnaz Brahim, Syed Sohail Zaidi, Nida Amjad

Department of Paediatrics and Child Health

A two and a half year old Kenyan girl presented with recurrent chest infections and difficulty in swallowing. Her clinical and laboratory workup was suggestive of lower respiratory tract infection for which she received a course of antibiotics; however, she remains symptomatic after the management of her suspected diagnosis. Therefore, further radiological workup including a chest CT scan and barium study were performed. This showed a homogeneous mass surrounded by ascending and descending aorta in the posterior mediastinum that was compressing the middle esophagus. She had a posterolateral thoracotomy which revealed a cystic mass with smooth surfaces (5 x 5 …