Balloon Interrogation of Intervening Tissue: A Novel Method to Decide Strategy for Closing Multiple Atrial Septal
1Glenmark Cardiac Centre, Mumbai, India (B.D.).
Circulation. Cardiovascular Interventions
|September 20, 2022
Summary
Balloon interrogation (BI) helps decide device closure strategy for two atrial septal defects. A single device successfully closed both defects in most patients, reducing cost and complexity.
Area of Science:
- Cardiology
- Interventional Cardiology
- Medical Devices
Background:
- Two separate ostium secundum atrial septal defects present challenges for device closure.
- A lack of established strategies and protocols complicates treatment for these defects.
Purpose of the Study:
- To evaluate the utility of balloon interrogation (BI) in determining the optimal device closure strategy for patients with two atrial septal defects.
- To assess the feasibility and outcomes of single versus dual device closure for these defects.
Main Methods:
- A prospective study involving 20 patients with two atrial septal defects.
- Balloon interrogation (BI) was used to assess intervening tissue mobility and guide the decision between a one- or two-device strategy.
- Device size was determined by BI diameter in the single-device strategy.
Main Results:
- A single device successfully closed both defects in 15 out of 20 patients (75%) without residual shunt.
- Two devices were required for the remaining 5 patients.
- No complications were reported during the procedure or follow-up (mean 41.9 months).
Conclusions:
- Balloon interrogation (BI) is effective in guiding the choice between one- or two-device strategies for atrial septal defects.
- A single device strategy, applicable in approximately 75% of cases, reduces procedure cost and complexity.
