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Dive into the research topics where Cornelius B. Groenewald is active.

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Featured researches published by Cornelius B. Groenewald.


The Journal of Pain | 2014

The Economic Costs of Chronic Pain Among a Cohort of Treatment-Seeking Adolescents in the United States

Cornelius B. Groenewald; Bonnie S. Essner; Davene R. Wright; Megan D. Fesinmeyer; Tonya M. Palermo

UNLABELLED The aim of this study was to assess the economic cost of chronic pain among adolescents receiving interdisciplinary pain treatment. Information was gathered from 149 adolescents (ages 10-17) presenting for evaluation and treatment at interdisciplinary pain clinics in the United States. Parents completed a validated measure of family economic attributes, the Client Service Receipt Inventory, to report on health service use and productivity losses due to their childs chronic pain retrospectively over 12 months. Health care costs were calculated by multiplying reported utilization estimates by unit visit costs from the 2010 Medical Expenditure Panel Survey. The estimated mean and median costs per participant were


Pediatric Anesthesia | 2012

Prevalence of moderate-severe pain in hospitalized children

Cornelius B. Groenewald; Jennifer A. Rabbitts; Darrell R. Schroeder; Tracy E. Harrison

11,787 and


The Journal of Pain | 2015

Presurgical psychosocial predictors of acute postsurgical pain and quality of life in children undergoing major surgery.

Jennifer A. Rabbitts; Cornelius B. Groenewald; G. Tai; Tonya M. Palermo

6,770, respectively. Costs were concentrated in a small group of participants; the top 5% of those patients incurring the highest costs accounted for 30% of total costs, whereas the lower 75% of participants accounted for only 34% of costs. Total costs to society for adolescents with moderate to severe chronic pain were extrapolated to


Pediatric Anesthesia | 2013

Outcomes of general anesthesia for noncardiac surgery in a series of patients with Fontan palliation

Jennifer A. Rabbitts; Cornelius B. Groenewald; William J. Mauermann; David W. Barbara; Harold M. Burkhart; Carole A. Warnes; William C. Oliver; Randall P. Flick

19.5 billion annually in the United States. The cost of adolescent chronic pain presents a substantial economic burden to families and society. Future research should focus on predictors of increased health services use and costs in adolescents with chronic pain. PERSPECTIVE This cost of illness study comprehensively estimates the economic costs of chronic pain in a cohort of treatment-seeking adolescents. The primary driver of costs was direct medical costs followed by productivity losses. Because of its economic impact, policy makers should invest resources in the prevention, diagnosis, and treatment of chronic pediatric pain.


Pain | 2016

Trends in opioid prescriptions among children and adolescents in the United States: a nationally representative study from 1996 to 2012.

Cornelius B. Groenewald; Jennifer A. Rabbitts; J. Thomas Gebert; Tonya M. Palermo

Background:  Acute pain management in children is often inadequate. The prevalence of pain in hospitalized children in the US is unknown.


Pain | 2016

Chronic pain in adolescence and internalizing mental health disorders: a nationally representative study.

Melanie Noel; Cornelius B. Groenewald; Sarah E. Beals-Erickson; J. Thomas Gebert; Tonya M. Palermo

UNLABELLED Limited research has examined presurgical risk factors for poor outcomes in children after major surgery. This longitudinal study examined presurgical psychosocial and behavioral factors as predictors of acute postsurgical pain intensity and health-related quality of life (HRQOL) in children 2 weeks after major surgery. Sixty children aged 10 to 18 years, 66.7% female, and their parent/guardian participated in the study. Children underwent baseline assessment of pain (daily electronic diary), HRQOL, sleep (actigraphy), and psychosocial factors (anxiety, pain catastrophizing). Caregivers reported on parental pain catastrophizing. Longitudinal follow-up assessment of pain and HRQOL was conducted at home 2 weeks after surgery. Regression analyses adjusting for baseline pain revealed that presurgery sleep duration (β = -.26, P < .05) and parental pain catastrophizing (β = .28, P < .05) were significantly associated with mean pain intensity reported by children 2 weeks after surgery, with shorter presurgery sleep duration and greater parental catastrophizing about child pain predicting greater pain intensity. Adjusting for baseline HRQOL, presurgery child state anxiety (β = -.29, P < .05) was significantly associated with HRQOL at 2 weeks, with greater anxiety predicting poorer HRQOL after surgery. In conclusion, child anxiety, parental pain catastrophizing, and sleep patterns are potentially modifiable factors that predict poor outcomes in children after major surgery. PERSPECTIVE This study addresses an important gap in literature, examining presurgical risk factors for poorer acute postsurgical outcomes in children undergoing major surgery. Knowledge of these factors will enable presurgical identification of children at risk for poorer outcomes and guide further research developing prevention and intervention strategies for these children.


Journal of Pediatric Psychology | 2015

Alcohol and Tobacco Use in Youth With and Without Chronic Pain

Emily F. Law; Maggie H. Bromberg; Melanie Noel; Cornelius B. Groenewald; Lexa K. Murphy; Tonya M. Palermo

To describe the experience of a single, tertiary care institution in the care of patients with Fontan physiology undergoing anesthesia for noncardiac surgery.


Pediatric Anesthesia | 2012

Geographic differences in perioperative opioid administration in children

Jennifer A. Rabbitts; Cornelius B. Groenewald; Jukka Räsänen

Abstract Prescription opioid misuse is a major public health concern in the United States, yet little is known about national prescription patterns. We aimed to assess trends in opioid prescriptions made to children and adolescents, to their families, and to adults in the United States from 1996 to 2012. The sample was drawn from nationally representative data, the Medical Expenditure Panel Surveys. We used survey design methods to examine trends in prescription opioid use over time and a logistic regression analysis to examine predictors associated with opioid use. Findings indicated that from 1996 to 2012 opioid prescriptions to children and adolescents remained stable and low. In 1996, 2.68% of children received an opioid prescription, and in 2012, 2.91% received an opioid prescription. In contrast, opioid prescriptions to family members of children and adolescents and adults in general significantly increased during this period. The most common opioid prescriptions to children and adolescents in 2012 were codeine, hydrocodone, and oxycodone. Using multivariate logistic regression models, the white non-Hispanic race, older age, health insurance, and parent-reported fair to poor general health were associated with higher rates of opioid prescriptions in children and adolescents. Our main finding was that although the rates of opioid prescriptions have increased among adults in the United States, the rates have not changed among children and adolescents. Recent epidemiologic association studies have identified a strong link between increased opioid prescriptions and increased rates of opioid misuse and abuse in adults. Future studies should assess the association between adult opioid prescriptions and children or adolescent opioid misuse.


Pediatric Anesthesia | 2017

Codeine use among children in the United States: a nationally representative study from 1996 to 2013

Margaret J. Livingstone; Cornelius B. Groenewald; Jennifer A. Rabbitts; Tonya M. Palermo

Abstract Chronic pain in childhood and adolescence has been shown to heighten the risk for depressive and anxiety disorders in specific samples in adulthood; however, little is known about the association between a wider variety of chronic pains and internalizing mental health disorders. Using nationally representative data, the objectives of this study were to establish prevalence rates of internalizing mental health disorders (anxiety and depressive disorders) among cohorts with or without adolescent chronic pain, and to examine whether chronic pain in adolescence is associated with lifetime history of internalizing mental health disorders reported in adulthood. Data from the National Longitudinal Study of Adolescent to Adult Health (Add Health) was used (N = 14,790). Individuals who had chronic pain in adolescence subsequently reported higher rates of lifetime anxiety disorders (21.1% vs 12.4%) and depressive disorders (24.5% vs 14.1%) in adulthood as compared with individuals without a history of adolescent chronic pain. Multivariate logistic regression confirmed that chronic pain in adolescence was associated with an increased likelihood of lifetime history of anxiety disorders (odds ratio: 1.33; 95% confidence interval: 1.09-1.63, P = 0.005) and depressive disorders (odds ratio: 1.38; confidence interval: 1.16-1.64, P < 0.001) reported in adulthood. Future research is needed to examine neurobiological and psychological mechanisms underlying these comorbidities.


Developmental Medicine & Child Neurology | 2018

Chronic pain prevalence and associated factors in adolescents with and without physical disabilities

Rocío de la Vega; Cornelius B. Groenewald; Maggie H. Bromberg; Sarah E. Beals-Erickson; Tonya M. Palermo

OBJECTIVE To compare rates of alcohol and tobacco use in youth with and without chronic pain and to identify risk factors for use. METHODS Participants included 186 youth (95 mixed chronic pain; 91 without chronic pain; 12-18 years old) who reported current alcohol and tobacco use, pain intensity, activity limitations, loneliness, and depressive symptoms. RESULTS Adolescents with chronic pain were less likely to use alcohol compared with adolescents without chronic pain (7.4% vs. 22%), and as likely to use tobacco (9% vs. 8%). Across groups, youth with higher depressive symptoms, less loneliness, and fewer activity limitations were more likely to endorse alcohol and tobacco use. Exploratory analyses revealed that risk factors for substance use differed among youth with and without chronic pain. CONCLUSIONS Chronic pain may not increase risk for tobacco and alcohol use in adolescents. Research is needed to understand use of other substances in this medically vulnerable population.

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Sarah E. Beals-Erickson

Seattle Children's Research Institute

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Emily F. Law

University of Washington

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Chuan Zhou

University of Washington

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Maggie H. Bromberg

Seattle Children's Research Institute

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