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Role of Preoperative Angiographic Collateral Embolization in Patients Undergoing Repair of Tetralogy of Fallot

Randomized Clinical Trial to Evaluate the Role of Preoperative Angiographic Collateral Embolization in Patients Undergoing Repair of Tetralogy of Fallot

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260427018
Enrollment
67
Registered
2026-04-27
Start date
2022-08-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Role of Preoperative Angiographic Collateral Embolization in Patients Undergoing Repair of Tetralogy of Fallot Tetralogy of Fallot, major aortopulmonary collateral arteries (MAPCAs), angiography, embolization, pulmonary hemorrhage, randomized controlled trial, congenital heart surgery

Interventions

Preoperative angiography with embolization of significant MAPCAs if identified, followed by corrective surgery.,Direct corrective surgery with only transthoracic echocardiographic imaging and no angio
Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery
Group 1 (Angio arm),Group 2 (Surgical arm)

Sponsors

UNIVERSITY OF CHILD HEALTH SCIENCES
Lead Sponsor

Eligibility

Sex/Gender
All
Age
1 Years to 12 Years

Inclusion criteria

Inclusion criteria: 1- Children greater than one year and up to 12 years of age with a diagnosis of TOF were eligible if transthoracic echocardiography confirmed anatomy suitable for complete repair.

Exclusion criteria

Exclusion criteria: 1- Patients who had previously undergone cross-sectional imaging (CT angiography or cardiac catheterization) 2-Prior palliative shunt procedures 3- Those deemed unsuitable for complete repair on echocardiography were excluded.

Design outcomes

Primary

MeasureTime frame
Postoperative pulmonary hemorrhage During index hospitalization following surgical repair Binary clinical event based on postoperative assessment,Pulmonary edema During index hospitalization following surgical repair Binary clinical event based on postoperative assessment

Secondary

MeasureTime frame
Mortality During index hospitalization Binary,Vasoactive Inotropic Score (VIS) at 24 hours & peak VIS First 24 hours + peak during ICU stay Continuous,ICU length of stay Entire ICU stay Continuous (days),Ventilation Outcomes (Duration of mechanical ventilation, Early extubation (less than 24 hours), Prolonged ventilation (more than 48 hours), Reintubation Postoperative ICU course Mixed (continuous + categorical),Cardiac Arrhythmias (including JET) Low Cardiac Output Syndrome (LCOS) During hospitalization Binary,Infectious (Sepsis, Pneumonia, Wound infection) During hospitalization Binary,Neurologic events During hospitalization Binary,Transfusion Requirement Perioperative period Continuous / categorical,Angiography-Specific Outcomes (MAPCA detection rate MAPCA embolization success rate Angiography-related complications: Hypercyanotic spells, Seizures, Unplanned ICU admission, Prolonged hospital stay) Preoperative (angiography phase) Mixed,Intraoperative Variables, Cardiopulmonary bypass time, Cross-clamp time, Type of repair: Pulmonary valve preservation, Transannular patch) Postoperative Continuous / categorical

Countries

Pakistan

Contacts

Public ContactSyed Salman Shah

THE CHILDREN HOSPITAL & UNIVERSITY OF CHILD HEALTH SCIENCES, LAHORE, PAKISTAN

salman1997@yahoo.com03214982220

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026