In this research study we want to learn more about abnormal heart rhythm after cardiac surgery in children. These abnormal heart rhythms, also called arrhythmias, may occur due to several reasons after cardiac surgery. They can be due to abnormal electrical pathway or an irritable area of the heart that stimulates abnormal impulses. Regardless of the cause, arrhythmias after cardiac surgery can be a problem, extending the hospital stay, requiring additional medications and even leading to cardiac arrest. Current practice is to monitor for arrhythmias after cardiac surgery, and to treat them if they occur. With this research, we want to investigate whether we can identify patients who will develop arrhythmia, and treat them before they occur.
This is a prospective, randomized controlled trial of provocative electrophysiology testing and prophylactic treatment of inducible SVT versus expectant management
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
46
Provocative electrophysiology testing will be performed at the bedside using the temporary pacing wires placed at the time of surgery.
Boston Children's Hospital
Boston, Massachusetts, United States
Number of patients with supraventricular tachycardia
Number of days post-operatively at time of supraventricular tachycardia
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of patients with adverse events related to provocative electrophysiology testing
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of patients with sustained supraventricular tachycardia
Number of days post-operatively at time of sustained supraventricular tachycardia
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of patients with other tachyarrhythmias
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of days post-operatively at time of extubation
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of days post-operatively in the intensive care unit
Time frame: Though hospital discharge
Number of days in the hospital
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of patients with adverse events related to antiarrhythmic treatment
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of patients with major adverse cardiac events (including need for CPR, ECMO or death)
Time frame: Through hospital discharge after cardiac surgery, or up to 90 days
Number of patients with supraventricular tachycardia after hospital discharge
Time frame: 12 months
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