Publications by authors named "David D Williams"

Objective: Underrepresented in medicine visiting medical student programs (UIM-VMSPs) have gained popularity across specialties as an intervention to diversify residency programs; however, no study has explored the national landscape of these programs in pediatrics. This study aimed to characterize program components, residency rank and match outcomes, benefits, challenges, and lessons learned about UIM-VMSPs in pediatrics nationally.

Methods: In September-December 2023, the authors conducted a national, cross-sectional, mixed methods study surveying program leaders of UIM-VMSPs identified on the Association of Pediatric Program Directors website.

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To use electronic health record (EHR) data to develop a scalable and transferrable model to predict 6-month risk for diabetic ketoacidosis (DKA)-related hospitalization or emergency care in youth with type 1 diabetes (T1D). To achieve a sharable predictive model, we engineered features using EHR data mapped to the T1D Exchange Quality Improvement Collaborative's (T1DX-QI) data schema used by 60+ U.S.

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Article Synopsis
  • This study compares in-hospital complications between young patients with isolated diabetic ketoacidosis (DKA) and those with hyperosmolarity conditions.* -
  • Researchers analyzed medical records of youth (ages 1-20) over two years, focusing on outcomes like hospital stay duration, mental status changes, and kidney injury.* -
  • Findings show that youth with hyperosmolar conditions had longer hospital stays, more severe complications, and a higher risk of acute kidney injury compared to those with isolated DKA, indicating a need for further research to prevent these complications.*
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Background: The glycemia risk index (GRI) is a composite metric developed and used to estimate quality of glycemia in adults with diabetes who use continuous glucose monitor (CGM) devices. In a cohort of youth with type 1 diabetes (T1D), we examined the utility of the GRI for evaluating quality of glycemia between clinic visits by analyzing correlations between the GRI and longitudinal glycated hemoglobin A1c (HbA1c) measures.

Method: Using electronic health records and CGM data, we conducted a retrospective cohort study to analyze the relationship between the GRI and longitudinal HbA1c measures in youth (T1D duration ≥1 year; ≥50% CGM wear time) receiving care from a Midwest pediatric diabetes clinic network (March 2016 to May 2022).

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Background: The Glycemia Risk Index (GRI) was developed in adults with diabetes and is a validated metric of quality of glycemia. Little is known about the relationship between GRI and type 1 diabetes (T1D) self-management habits, a validated assessment of youths' engagement in habits associated with glycemic outcomes.

Method: We retrospectively examined the relationship between GRI and T1D self-management habits in youth with T1D who received care from a Midwest pediatric diabetes clinic network.

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Background: To meet their glycated hemoglobin (HbA1c) goals, youth with type 1 diabetes (T1D) need to engage with their daily T1D treatment. The mealtime insulin Bolus score (BOLUS) is an objective measure of youth's T1D engagement which we have previously shown to be superior to other objective engagement measures in predicting youth's HbA1c. Here, to further assess the BOLUS score's validity, we compared the strengths of the associations between youth's HbA1c with their mean insulin BOLUS score and a valid, self-report measure of T1D engagement, the Self-Care Inventory (SCI).

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Background: Although prior research has identified multiple risk factors for diabetic ketoacidosis (DKA), clinicians continue to lack clinic-ready models to predict dangerous and costly episodes of DKA. We asked whether we could apply deep learning, specifically the use of a long short-term memory (LSTM) model, to accurately predict the 180-day risk of DKA-related hospitalization for youth with type 1 diabetes (T1D).

Objective: We aimed to describe the development of an LSTM model to predict the 180-day risk of DKA-related hospitalization for youth with T1D.

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Objective: To evaluate the 2016 Cincinnati International Turner syndrome (TS) consensus guideline adherence within our pediatric tertiary referral center and determine if patients managed in our single-day, coordinated multidisciplinary clinic (MDC) format showed superior adherence rates when compared with those managed outside our MDC format.

Methods: We retrospectively reviewed the charts of patients with TS followed at our center from January 1, 2018, to April 30, 2020. The individual and overall adherence rates of 9 age-appropriate screening recommendations were evaluated along with rates of TS comorbidities within our cohort.

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Ladder falls from overreaching are a problem in older adults. Evidence suggests ladder use behavior to be dependent on interfacing user and environmental circumstances (i.e.

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Unlabelled: Interinstitutional differences in clinical pediatric exercise laboratory (CPEL) practices may affect patient care and efficacy of multicenter research.

Purpose: To describe current practices/procedures in CPELs and explore differences in CPELs employing exercise physiologists to those that do not.

Methods: A 40-item survey was distributed to CPELs in North America focusing on (1) staffing; (2) exercise stress testing (EST) volumes, reporting, and interpretation; and (3) EST procedures/protocols.

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Introduction: We prospectively investigated the associations between diabetes-related family conflict, parent engagement in child type 1 diabetes (T1D) care, and child glycated hemoglobin (HbA1c) in 127 families of school-age children who we recruited within the first year of their T1D diagnosis.

Research Design And Methods: Parents completed the Diabetes Family Conflict Scale-Revised (DFCS-R) to assess for diabetes-related family conflict and the Diabetes Self-Management Questionnaire-Brief (DSMQ-Brief) to assess parent engagement in child T1D care at the initial study visit (T1) and at 12 (T2) and 27 (T3) months later. We also collected child HbA1c at these time points.

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Objective: Management of febrile infants 60 days and younger for suspected serious infection varies widely. Clinical practice guidelines (CPGs) are intended to improve clinician adherence to evidence-based practices. In 2011, a CPG for managing febrile infants was implemented in an urban children's hospital with simultaneous release of an electronic order set and algorithm to guide clinician decisions for managing infants for suspected serious bacterial infection.

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Introduction: Patients with suspected adrenal insufficiency undergo screening with a serum morning cortisol level and confirmatory testing with an adrenocorticotropic hormone (ACTH) stimulation test. However, much of the data collected to determine appropriate values for morning cortisol levels are derived from adult populations and may not accurately represent pediatric physiology. The purpose of this study was to evaluate the mean morning cortisol level in the pediatric population based on pubertal status and sex in order to better understand such influences on laboratory evaluation of adrenal insufficiency.

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The purpose of this study was to develop a measure of type 1 diabetes mellitus (T1DM) knowledge that is aimed at youth and is based on contemporary management standards. An 88-item test was derived from the American Association of Diabetes Educators 7 Self-Care Behaviors. A multidisciplinary team selected the best 49 items which were piloted in a sample of 119 youths (59 males, aged 12-18, having a mean ± standard deviation glycated haemoglobin (A1C) of 9.

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Background: To examine the current trends in trauma call coverage of pediatric orthopaedic surgeons in North America and to identify predictors of surgeon on-call satisfaction.

Methods: In 2015, ∼1200 active members of the Pediatric Orthopaedic Society of North America (POSNA) were surveyed regarding emergency room on-call practices. In total, 410 members completed the survey with a response rate of 35%.

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Objectives: To evaluate clinical practice patterns and patient outcomes among febrile low-risk infants with respiratory syncytial virus (RSV) infection or enterovirus (EV) meningitis after implementing a clinical practice guideline (CPG) that provides recommendations for managing febrile infants with RSV infection and EV meningitis.

Methods: Our institution implemented a CPG for febrile infants, which gives explicit recommendations for managing both RSV-positive and EV-positive infants in 2011. We retrospectively analyzed medical records of febrile infants ≤60 days old from June 2008 to January 2013.

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In retired professional association football (soccer) players with a past history of repetitive head impacts, chronic traumatic encephalopathy (CTE) is a potential neurodegenerative cause of dementia and motor impairments. From 1980 to 2010, 14 retired footballers with dementia were followed up regularly until death. Their clinical data, playing career, and concussion history were prospectively collected.

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Background: Frequency of mealtime insulin bolusing (BOLUS) is a promising new objective assessment of adherence in youths with type 1 diabetes (T1D). As further confirmation of the validity of BOLUS, we compare the associations of glycated hemoglobin (HbA1c) values of T1D youths with the original scoring of BOLUS and two alternative scoring procedures: mean mealtime boluses within a 2-h meal window (2h-BOLUS) and total daily frequency of boluses (TOTAL-BOLUS). In addition, we assess HbA1c associations of these three procedures, including interaction terms for mealtime boluses plus correction boluses.

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Background: Previous studies have stratified pediatric asthma patients for risk of future exacerbation and/or health care use, but most incorporate multiple clinical parameters.

Objective: To determine whether historical acute care visits (ACVs) alone could predict risk of future health care use.

Methods: Children seen for asthma in an outpatient visit during a 3-year period were identified.

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Objective: To test the hypothesis that HbA1c variability, as measured by standard deviation (SD), is associated with increased risk for incident microalbuminuria and persistent microalbuminuria in pediatric type 1 diabetes (T1D).

Methods: A retrospective analysis using data from electronic health records was performed on 1195 patients from a pediatric diabetes clinic network in the Midwest USA from 1993 to 2009 with ≥1 yr of T1D, ≥4 total HbA1c values, ≥2 HbA1c values/yr, ≥1 urine microalbumin. Microalbuminuria, the main outcome was defined as albumin excretion rate ≥20 mcg/min or 2 of 3 consecutive urine microalbumin/creatinine ≥30 mg/gm.

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Background: Studies found that treatment symptoms of concern to oncology/hematology patients were greatly under-identified in medical records. On average, 11.0 symptoms were reported of concern to patients compared to 1.

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Background: Fractional exhaled nitric oxide (FENO) is increasingly being used in the office-based management of asthma, but data in children are limited.

Objectives: To report FENO values in 4- to 7-year-old children with suspected asthma and characterize their relation to clinical variables and describe the relation among FENO levels, age, and sex in 4- to 18-year-old children with suspected asthma.

Methods: Retrospective data in 4- to 18-year-old children (n = 825) who underwent FENO testing using the NIOX MINO device were collected and analyzed.

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