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Foreign body contamination during stent implantation
D M Whelan1, H M van Beusekom, W J van der Giessen
1Department of Experimental Cardiology, Erasmus University Rotterdam, The Netherlands.
Catheterization and Cardiovascular Diagnosis
|March 1, 1997
Summary
Coronary artery disease stent procedures may introduce contaminants like glove powder and fibers, potentially causing foreign body reactions. This could delay healing and increase thrombosis risk, necessitating contamination control measures.
Area of Science:
- Cardiovascular Science
- Biomaterials Science
- Pathology
Background:
- Stent implantation is a standard treatment for coronary artery disease.
- Potential contamination during stent procedures is an under-recognized issue.
- Contaminants may impact stent performance and patient outcomes.
Purpose of the Study:
- To investigate the presence and impact of contaminants introduced during coronary stent implantation.
- To assess the histological effects of these contaminants on stented arteries.
- To propose strategies for mitigating contamination risks.
Main Methods:
- Histological examination of stented porcine coronary arteries.
- Identification and characterization of contaminating particles.
- Assessment of the inflammatory and foreign body response.
Main Results:
- Surgical glove powder and textile fibers were identified as contaminants in some stented vessels.
- These particles elicited a foreign body reaction.
- Contamination was associated with delayed wound healing and potential increased risk of subacute thrombosis.
Conclusions:
- Inadvertent contamination during coronary stenting can lead to adverse biological responses.
- Foreign body reactions may compromise the safety and efficacy of coronary stents.
- Strict protocols are needed to minimize contamination during stent procedures.