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Heartwheels! STEM Mobile Outreach program.
Adv Physiol Educ
March 2025
Department of Cardiovascular and Thoracic Surgery, University of Louisville, Louisville, Kentucky, United States.
Heartwheels! STEM Mobile Outreach is a scientist-led collaborative, innovative, and reproducible experiential educational program and mobile lab developed to engage people young and old in the cardiovascular sciences, improve health literacy and awareness of heart-healthy living, and spark curiosity in the science, technology, engineering, and mathematics (STEM) fields. Applied hands-on interactive activities at Heartwheels! events include heart dissection, cardiovascular physiology, and mock flow loops (science); medical devices (technology); instrumentation and sensors (engineering); and calibration and validation methods and models (math). These modules are complementary to school activities and are particularly successful from an educational standpoint because they are fun, interactive, engaging, voluntary, open-ended, and not graded or assessed and can lead participants and their families to develop STEM-positive identities.
View Article and Find Full Text PDFEvaluation of a National Sample of 16,671 Pediatric Burn Admissions: Identifying Predictors of Non-accidental Pediatric Burns.
J Pediatr Surg
January 2025
Children's of Alabama, Pediatric Surgery, University of Alabama at Birmingham, Birmingham, AL, USA.
Article Synopsis
- Burn injuries are a significant cause of morbidity and mortality in children, with non-accidental injuries showing higher mortality rates.
- The study analyzed data from over 16,000 pediatric patients in burn centers across the U.S. to identify factors associated with non-accidental burns, finding that 7.4% of cases were non-accidental, predominantly affecting younger non-white children with scald burns.
- Results indicated that risk factors for non-accidental burns include younger age, Black race, specific types of burns, and insurance status, contributing to a 0.5% overall mortality rate, helping inform care and expectations for affected families.
Vascular Access for Renal Replacement Therapy in Neonates and Infants: A Single Center Experience.
J Pediatr Surg
January 2025
Children's of Alabama, Department of Surgery, Division of Pediatric Surgery, Birmingham, AL, USA; University of Alabama at Birmingham, Department of Surgery, Birmingham, AL, USA.
Introduction: Neonatal renal replacement therapy (RRT) is a treatment modality used for severe kidney failure. Historically, its use has been limited in small infants due to circuits with large extra-corporeal volumes that require large double lumen vascular catheters. We sought to review our institution's experience with vascular access and overall survival in infants who receive RRT.
View Article and Find Full Text PDFFirearm Injuries Are on the Rise: The Results of a Pediatric Trauma Center Review.
J Surg Res
November 2024
Division of Pediatric Surgery, Department of Surgery, Children's of Alabama, University of Alabama at Birmingham, Birmingham, Alabama.
Introduction: Firearm injury is the leading cause of death in children. The recent rise has coincided with the COVID-19 pandemic. The purpose of this study was to evaluate the trends of pediatric firearm injury over a 6-y period, to include the COVID-19 pandemic, at our pediatric trauma center.
View Article and Find Full Text PDFFeasibility Testing of the Bionet Sonar Ultrasound Transcutaneous Energy Transmission (UTET) System for Wireless Power and Communication of a LVAD.
Cardiovasc Eng Technol
December 2024
Department of Cardiovascular and Thoracic Surgery, University of Louisville, 302 E. Muhammad Ali Blvd, room 411, Louisville, KY, 40202, USA.
Purpose: To address the clinical need for totally implantable mechanical circulatory support devices, Bionet Sonar is developing a novel Ultrasonic Transcutaneous Energy Transmission (UTET) system that is designed to eliminate external power and/or data communication drivelines.
Methods: UTET systems were designed, fabricated, and pre-clinically tested using a non-clinical HeartWare HVAD in static and dynamic mock flow loop and acute animal models over a range of pump speeds (1800, 2400, 3000 RPM) and tissue analogue thicknesses (5, 10, 15 mm).
Results: The prototypes demonstrated feasibility as evidenced by meeting/exceeding function, operation, and performance metrics with no system failures, including achieving receiver (harvested) power exceeding HVAD power requirements and data communication rates of 10kB/s and pump speed control (> 95% sensitivity and specificity) for all experimental test conditions, and within healthy tissue temperature range with no acute tissue damage.
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