Related Experiment Videos
Severe hemolysis following partial coil-occlusion of patent ductus arteriosus
G Henry1, D Danilowicz, R Verma
1New York University Medical Center, Division of Pediatric Cardiology, NY 10016, USA.
Catheterization and Cardiovascular Diagnosis
|December 1, 1996
Insights
Severe hemolysis in a child resolved after a second coil fully closed a residual shunt in the patent ductus arteriosus. This highlights the importance of complete ductal occlusion to prevent complications like hemolysis.
Area of Science:
- Cardiology
- Pediatric Medicine
- Medical Devices
Background:
- Patent ductus arteriosus (PDA) is a common congenital heart defect.
- Transcatheter coil occlusion is a standard treatment for PDA.
- Incomplete occlusion can lead to residual shunting and potential complications.
Observation:
- A one-year-old boy developed severe hemolysis after partial coil occlusion of PDA.
- A small, high-velocity residual shunt was identified post-procedure.
- Hemolysis symptoms were directly linked to the residual shunt.
Findings:
- Placement of a second coil achieved complete occlusion of the PDA.
- Hemolysis resolved rapidly and completely following the second coil placement.
- This suggests a direct causal link between residual shunt and hemolysis.
Implications:
- Complete occlusion is critical for successful PDA treatment.
- Hemolysis can be a complication of residual shunting post-coil embolization.
- Careful post-procedure assessment and potential re-intervention are important for patient safety.
Abstract:
Severe hemolysis occurred in a one-year-old boy following partial coil occlusion of a patent ductus arteriosus with a small but high-velocity residual shunt. Hemolysis abated rapidly and completely after placement of a second coil fully occluded the ductus.