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Published on: March 28, 2025
Combined treatment for multiple cardiac defects with interventional techniques
Mehnaz Atiq1, Sohail Abraar Khan, Fateh Ali Tipu
1Pediatric Cardiology, Department of Pediatrics, Aga Khan University Hospital, Stadium Road, P.O. Box 3500, Karachi 74800, Pakistan. mehnaz.atiq@aku.edu
Insights
Transcatheter interventions can safely and effectively treat multiple congenital heart defects simultaneously in children. This approach offers a viable alternative to surgery for complex pediatric cardiac conditions.
Area of Science:
- Pediatric Cardiology
- Interventional Cardiology
- Congenital Heart Disease
Background:
- Multiple congenital cardiac defects traditionally require surgical correction.
- Transcatheter techniques are increasingly used for single cardiac defects.
Purpose of the Study:
- To evaluate the safety and efficacy of simultaneous transcatheter treatment for multiple congenital cardiac defects in children.
- To assess the outcomes of combined interventional procedures for complex pediatric heart conditions.
Main Methods:
- Retrospective review of ten pediatric patients (mean age 4.4 years) with multiple cardiac defects.
- Simultaneous closure of atrial septal defects (ASDs) and patent ductus arteriosus (PDAs), and balloon valvuloplasty for pulmonary stenosis (PS) and aortic stenosis (AS).
- Utilized devices included Amplatzer septal occluders, Amplatzer duct occluders, Cook's coils, and balloon angioplasty.
Main Results:
- Successful treatment of combined defects including PDA/PS, ASD/PDA, ASD/PS, PDA/AS, and VSD/PS.
- Significant reduction in gradients across stenotic valves (70% +/-15%) post-procedure.
- High closure rates for PDAs (75%) and ASDs (80%), with minor residual leak in one VSD.
Conclusions:
- Simultaneous transcatheter treatment of multiple congenital cardiac defects is a safe and effective combined procedure.
- Interventional cardiology offers a valuable alternative to surgery for complex pediatric cardiac cases.
Abstract:
Multiple congenital cardiac defects are usually addressed by cardiac surgery. We present our experience with simultaneous transcatheter treatment of multiple defects in children. Ten children, six females and four males, with multiple defects underwent treatment with interventional technique. The mean age was 4.4 +/- 2.6 years (range, 7 months to 8 years). The cardiac diagnosis was patent ductus arteriosus (PDA) and valvular pulmonary stenosis (PS) in two, atrial septal defect (ASD) and PDA in two, ASD and PS in two, PDA and aortic stenosis (AS) in three (severe left ventricular dysfunction in two), and perimembranous ventricular septal defect (VSD) and valvular PS in one. The ASDs were closed with an Amplatzer septal occluder (mean size, 16 +/- 4 mm), four PDAs were closed with an Amplatzer duct occluder, and three with a Cook's detectable coil. Mean balloon size used to dilate the pulmonary valve was 18 +/- 4 mm, and for the aortic valve this was 12 +/- 2 mm. There was a 70% (+/-15%) postprocedure reduction of gradients across the stenotic valves. The closure rate was 75% for PDAs in the catheterization laboratory, 80% for ASDs, and there was a mild residual intradevice leak in the VSD. In conclusion, interventional technology addressing multiple congenital cardiac defects as a combined procedure in the catheterization laboratory is safe and effective.
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