Open-heart surgery at school age does not affect neurocognitive functioning

Area of Science:

• Pediatric Cardiology
• Neuropsychology
• Congenital Heart Disease

Background:

• Neurocognitive deficits are common after congenital heart disease surgery, but pre- and post-operative data are scarce.
• The specific impact of cardiopulmonary bypass on neurocognitive function in school-aged children requires further investigation.

Purpose of the Study:

• To assess the neurocognitive effects of cardiopulmonary bypass in school-aged children undergoing open-heart surgery.
• To identify surgery-related risk factors associated with neurocognitive outcomes.

Main Methods:

• Prospective study comparing 43 children (6-16 years) undergoing open-heart surgery with 19 children undergoing cardiac catheterization and 40 healthy controls.
• Neurocognitive assessments were conducted before and 1 year after procedures for all groups.

Main Results:

• No significant differences in neurocognitive outcomes were observed between the surgical, catheterization, and control groups at follow-up.
• Improvements noted over time were attributed to natural development (age) and practice effects from repeated assessments.
• No specific risk factors for post-surgical neurocognitive deficits were identified.

Conclusions:

• Open-heart surgery utilizing full-flow cardiopulmonary bypass does not adversely affect neurocognitive functioning in school-aged children.
• The study provides evidence against significant neurocognitive impairment directly resulting from the surgical procedure itself.