The Center for Surgical Outcomes Research (CSOR)

The Center for Surgical Outcomes Research (CSOR) mission is to improve childrens' care through a comprehensive, patient-centered surgical outcomes research program that employs a wide range of methodologies to determine the optimal management of surgical diseases in children.

In addition to assessing key surgical outcomes in children, our research aims to: 

  • Minimize pain, suffering, and disability in children with surgical diseases
  • Evaluate the effects of surgical therapies on medical, societal, and patient-centered outcomes
  • Engage patient and families through education and shared decision-making

Research Focus Areas and Activities

CSOR research focuses on a wide variety of diseases and public health concerns in which surgical management is a treatment option. We utilize a variety of research methods including leveraging existing data sources, conducting both patient-choice and randomized clinical trials, and designing collaborative, multi-institutional studies that can be used to provide more generalizable results.

Many of our projects have employed the use of innovative technology. We believe in placing the patient and family at the center of research. We do this in many projects through continuous engagement with patient and family stakeholders who participate in all aspects of the research process. Below are examples from the approximately 75 projects that CSOR is actively engaged in annually, divided by funding agency.

Patient-Center Outcomes Research Institute (PCORI)   

Thrasher Research Fund

National Institutes of Health (NIH)


  • Computed Tomographic Radiation Exposure and Monitoring in Pediatric Patients
  • Randomized Controlled Trial: Rapid Learning Healthcare System in Pediatric Surgery
  • Disparities in Diagnosis of Lower Abdominal Pain in Adolescent Girls
  • Can Ultrasound Reliably Identify Features of Complicated Appendicitis in Children
  • Predictive Index for Fecal Incontinence in Children with Anorectal Malformations
  • Studies of Surgeon Volume-Outcomes Associations in Pediatric Surgery 
  • Improving Opioid Disposal among Pediatric Patients after Surgery
  • Timing of Inguinal Hernia Repair in Premature Infants: A Randomized Trial
  • Health Literacy of Parents with Children who have Spina Bifida and of Adolescents with Spina Bifida
  • Effect of Bladder Reconstruction on VP Shunt Failure Rates in Spina Bifida
  • Utilization of Delayed-Phase CT Scan for Renal Injury
  • Can We Reduce the Number of Anesthetic Exposures in the Early Years of Life? Circumcision as an Example.
  • Variability in Tonsillectomy/adenoidectomy and Myringotomy Rates in Children: Impact of Non-hospital Affiliated Ambulatory Surgery Centers
  • Age-Dependent Association of Congenital Heart Disease with Outcomes after Tonsillectomy

Collaborations and Partnerships