Publications by authors named "Douglas Barnhart"

Article Synopsis
  • * Researchers analyzed data from 185 patients who received home antibiotics and 121 patients who did not, finding no significant differences in complications, including deep organ space infections, length of hospital stay, or other outcomes.
  • * The results suggest that using home antibiotics after surgery for complicated appendicitis may not be necessary and warrants further reconsideration.
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The Children's Surgery Verification Program of the American College of Surgeons began in 2016 based on the standards created by the Task Force for Children's Surgery. This program seeks to improve the surgical care of children by assuring the appropriate resources and robust performance improvement programs at participating centers. Three levels of centers with defined scopes of practice and matching resources are defined.

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Quality and process improvement (QI/PI) in children's surgical care require reliable data across the care continuum. Since 2012, the American College of Surgeons' (ACS) National Surgical Quality Improvement Program-Pediatric (NSQIP-Pediatric) has supported QI/PI by providing participating hospitals with risk-adjusted, comparative data regarding postoperative outcomes for multiple surgical specialties. To advance this goal over the past decade, iterative changes have been introduced to case inclusion and data collection, analysis and reporting.

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Background/purpose: Meckel diverticulum (MD) is present in 2% of the population. Many practitioner feel the diagnosis relies upon technetium-99 m pertechnetate scintigraphy. When negative, patients undergo additional invasive procedures delaying definitive therapy.

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Purpose: This study aims to examine contemporary practice patterns and compare short-term outcomes for vesicoureteral reflux procedures (ureteral reimplant/endoscopic injection) using National Surgical Quality Improvement Program-Pediatric data.

Materials And Methods: Procedure-specific variables for antireflux surgery were developed to capture data not typically collected in National Surgical Quality Improvement Program-Pediatric (eg vesicoureteral reflux grade, urine cultures, 31-60-day followup). Descriptive statistics were performed, and logistic regression assessed associations between patient/procedural factors and outcomes (urinary tract infection, readmissions, unplanned procedures).

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Article Synopsis
  • The study examined how consolidating neonatal surgical cases to fewer surgeons affects patient outcomes, using the Herfindahl-Hirschmann Index (HHI) to measure market concentration.
  • Data from 49 US children's hospitals from 2007 to 2017 was analyzed for three complex procedures, with mixed effects logistic regression employed to assess in-hospital mortality, one-year re-operations, and unplanned readmissions.
  • Results showed that while surgical specialization had no impact on mortality or re-operations, it did reduce unplanned readmissions for specific conditions like congenital diaphragmatic hernia and Hirschsprung disease.
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Objective: To characterize the influence of intraoperative findings on complications and resource utilization as a means to establish an evidence-based and public health-relevant definition for complicated appendicitis.

Summary Of Background Data: Consensus is lacking surrounding the definition of complicated appendicitis in children. Establishment of a consensus definition may have implications for standardizing the reporting of clinical research data and for refining reimbursement guidelines.

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Introduction:  Recent publications have questioned the sensitivity of suction rectal biopsy (SRB) for diagnosis of Hirschsprung's disease (HD) in newborns. A recent European survey reported that 39% of pediatric surgeons performed full-thickness transanal biopsies due to concerns about the accuracy of SRB. We sought to examine our contemporary SRB experience in infants.

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Importance: The influence of disease severity on outcomes and use of health care resources in children with complicated appendicitis is poorly characterized. Adjustment for variation in disease severity may have implications for ensuring fair reimbursement and comparative performance reporting among hospitals.

Objective: To examine the association of intraoperative findings as a measure of disease severity with complication rates and resource use in children with complicated appendicitis.

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Objectives: Congenital diaphragmatic hernia (CDH) is a developmental defect of the diaphragm that causes high newborn morbidity and mortality. CDH is considered to be a multifactorial disease, with strong evidence implicating genetic factors. Although recent studies suggest the biological role of deleterious germline de novo variants, the effect of gene variants specific to the diaphragm remains unclear, and few single genes have been definitively implicated in human disease.

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Article Synopsis
  • The study explored short-term outcomes and risk factors for complications after single-stage repair of rectoperineal and rectovestibular fistulae in infants.
  • A total of 43 patients underwent the repair, with a follow-up period averaging 31 months; 11% experienced wound complications, but all healed satisfactorily.
  • The findings suggest that performing these repairs after the neonatal period is safe, and other factors like age, weight, or gender did not significantly affect the likelihood of complications.
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Objective: To determine if observation alone after nephrectomy in very low-risk Wilms tumor (defined as stage I favorable histology Wilms tumors with nephrectomy weight <550g and age at diagnosis <2 years) results in satisfactory event-free survival and overall survival, and to correlate relapse with biomarkers.

Patients And Methods: The AREN0532 study enrolled patients with very low-risk Wilms tumor confirmed by central review of pathology, diagnostic imaging, and surgical reports. After nephrectomy, patients were followed without adjuvant chemotherapy.

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Background: There is an increased desire among patients and families to be involved in the surgical decision-making process. A surgeon's ability to provide patients and families with patient-specific estimates of postoperative complications is critical for shared decision making and informed consent. Surgeons can also use patient-specific risk estimates to decide whether or not to operate and what options to offer patients.

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Background: A bowel management program using large volume enemas may be required for children with anorectal malformations (ARM), Hirschsprung's disease (HD), severe medically refractive idiopathic constipation (IC), and other conditions. A pretreatment contrast enema is often obtained. We sought to determine if the contrast enema findings could predict a final enema regimen.

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Background/purpose: The purpose of this study was to study the effect of trisomy 21 (T21) on enterocolitis rates and bowel function among children with Hirschsprung disease (HD).

Methods: A retrospective cohort study of patients with HD treated at our tertiary children's hospital (2000-2015) and a cohort of patients with HD treated in our pediatric colorectal center (CRC) (2011-2015) were performed.

Results: 26/207 (13%) patients with HD had T21.

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Despite the frequency with which antireflux procedures are performed, decisions about gastroesophageal reflux disease treatment remain challenging. Several factors contribute to the difficulties in managing gastroesophageal reflux. First, the distinction between physiologic and pathologic gastroesophageal reflux (gastroesophageal reflux disease-GERD) is not always clear.

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Background: The purpose of this study was to evaluate the frequency and characteristics of surgical protocol violations (SPVs) among children undergoing surgery for renal tumors who were enrolled on the Children's Oncology Group (COG) renal tumor biology and classification study AREN03B2.

Methods: AREN03B2 was opened in February 2006, and as on March 31, 2013, there were 3,664 eligible patients. The surgical review forms for 3,536 patients with unilateral disease were centrally reviewed for SPVs.

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Purpose: The purpose of this study was to compare rates of ultrasound (US) and computed tomography (CT) for suspected appendicitis at hospitals able to provide definitive surgical care with those from their associated referral hospitals.

Methods: A retrospective cohort study of children undergoing appendectomy using the Pediatric NSQIP Appendectomy Pilot Database (1/1/2013-8/31/2014) was performed. Imaging rates at the initial hospital of presentation were compared between groups after adjusting for differences in demographic characteristics.

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Article Synopsis
  • This study explored postoperative pain management methods for pectus excavatum repair, comparing traditional epidural analgesia with intercostal and paravertebral regional blocks.
  • The results showed that paravertebral and intercostal blocks significantly reduced hospital stay duration for patients primarily treated under the Nuss procedure, although they led to increased narcotic use and costs overall.
  • Despite higher pain scores on the first day for the alternative methods, paravertebral pain control was effective by day three, indicating it as a viable alternative to epidural methods.
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Purpose: Loop colostomies may contaminate the genitourinary (GU) tract in patients with anorectal malformations (ARM) owing to incomplete diversion of stool. Stoma complications are also thought to be higher with a loop versus divided colostomy. We sought to compare the morbidity, including urinary tract infections (UTI), in these two types of colostomies in children with ARM.

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Background: Chronic constipation is a common problem in children. The cause of constipation is often idiopathic, when no anatomic or physiologic etiology can be identified. In severe cases, low dose laxatives, stool softeners and small volume enemas are ineffective.

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