Related Experiment Video
Updated: Nov 30, 2025
Author Spotlight: Establishment and Confirmation of a Postnatal Right Ventricular Volume Overload Mouse Model
Published on: June 9, 2023
Is Neurodevelopment Related to Exercise Capacity in Single Ventricle Patients Who Have Undergone Fontan Palliation?
Sean J Cooney1, Kristen Campbell2, Kelly Wolfe3
1Graduate Medical Education, Department of Pediatrics, Children's Hospital Colorado, University of Colorado School of Medicine, 13123 East 16th Avenue, Box 158, Aurora, CO, 80045, USA. sean1818@gmail.com.
Survivors of single ventricle heart disease (SVHD) with better exercise capacity showed improved neurodevelopmental outcomes. Higher VO2max and anaerobic threshold linked to better adaptive functioning, and peak heart rate to attention in SVHD patients.
Area of Science:
- Pediatric Cardiology
- Neurodevelopmental Pediatrics
- Exercise Physiology
Background:
- Survivors of single ventricle heart disease (SVHD) face risks of impaired neurodevelopment and reduced exercise capacity.
- A potential link exists between exercise capacity and neurodevelopment, observed in healthy populations.
Purpose of the Study:
- To investigate the association between exercise capacity and neurodevelopmental outcomes in patients with SVHD.
- To determine if higher cardiopulmonary exercise testing (CPET) measures correlate with better neuropsychological testing (NPT) performance in SVHD survivors.
Main Methods:
- Retrospective study of 23 SVHD patients undergoing palliative surgery.
- Cardiopulmonary exercise testing (CPET) measured VO2max, anaerobic threshold, peak heart rate, ventilatory efficiency, and respiratory exchange ratio.
- Neuropsychological testing (NPT) assessed attention, executive, adaptive, and emotional functioning.
Main Results:
- The SVHD cohort demonstrated lower performance on both CPET and NPT compared to healthy controls.
- Higher VO2max and anaerobic threshold were significantly associated with better parent-rated adaptive functioning (p<0.05).
- Higher peak heart rate correlated with improved sustained visual attention (p<0.05).
Conclusions:
- In SVHD patients, enhanced exercise capacity, indicated by CPET, is positively associated with specific aspects of neurodevelopment.
- Further research with larger, multi-site studies is needed to confirm these findings and explore interventions.
- Results may inform guidance for optimizing developmental trajectories in SVHD survivors.
More Related Videos
06:29Wireless Telemetry Device Implantation in a Fontan Ovine Model for Continuous and Long-Term Hemodynamic Monitoring
Published on: May 2, 2025
07:09Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise
Published on: February 20, 2017
Related Concept Videos
01:17Exercise and Cardiac Output
Sustained exercise increases the muscles' oxygen demand, which can be...
01:27Regulation of Stroke Volume
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
01:22Cardiac Output II: Effect of Stroke Volume on Cardiac Output
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
01:11Cardiac Output and Stroke Volume
In an average resting adult male, the typical cardiac...
01:47Lung Capacity
01:20Exercise and Cardiovascular Response
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...