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Plaque abrasion and intra-aortic balloon leak
P M Cox1, M Kellett, S F Goran
1Department of Critical Care Medicine, Maine Medical Center, Portland 04102, USA.
Chest
|December 1, 1995
Summary
Using smaller intra-aortic balloons in shorter patients significantly reduced balloon leaks. This correction addresses a high incidence of intra-aortic balloon ruptures in intensive care units.
Area of Science:
- Cardiovascular Medicine
- Medical Device Safety
- Intensive Care Unit Procedures
Background:
- High incidence of intra-aortic balloon leaks (ruptures) poses a significant risk in intensive care settings.
- Previous interventions failed to address the root cause of these device failures.
Purpose of the Study:
- To identify the cause of frequent intra-aortic balloon leaks.
- To implement and evaluate corrective measures to reduce balloon rupture rates.
Main Methods:
- An epidemiologic investigation was conducted to identify factors associated with intra-aortic balloon leaks.
- Corrective measures included changing the procedure to use smaller balloons (34 mL) for patients under 163 cm.
- Data collection continued concurrently to evaluate the effectiveness of interventions.
Main Results:
- Initial interventions showed no significant change in balloon leak incidence.
- A significant reduction in balloon leaks, from 8% to 2%, was observed after implementing the new balloon size protocol.
- Demographic and clinical data did not correlate with the initial higher incidence.
Conclusions:
- The use of larger, longer intra-aortic balloons increases the risk of perforation.
- Calcific plaque in the distal thoracic and abdominal aorta is a contributing factor to balloon perforation.
- Tailoring balloon size to patient height is crucial for preventing device failure.