Journal
JOURNAL OF PATIENT SAFETY
Volume 17, Issue 8, Pages E1069-E1079Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/PTS.0000000000000473
Keywords
adverse event; hydrophilic polymer embolism; medical device report; particulate safety limits; postmarket surveillance; regulation; vascular device; 510(k) process
Funding
- National Institute of Neurological Disorders and Stroke [K08NS089830]
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Hydrophilic polymers are commonly used in surface coatings of catheters and intravascular medical technologies, but the complication of polymer embolism has raised concerns due to delayed reporting and underrecognition of its effects by healthcare providers and manufacturers. Further evaluation of device standards and enhanced processes for medical device surveillance are needed to ensure patient safety.
Hydrophilic polymers are ubiquitously applied as surface coatings on catheters and intravascular medical technologies. Recent clinical literature has heightened awareness on the complication of hydrophilic polymer embolism, the phenomenon wherein polymer coating layers separate from catheter and device surfaces, and may be affiliated with a range of unanticipated adverse reactions. Significant system barriers have limited and delayed reporting on this iatrogenic complication, the full effects of which remain underrecognized by healthcare providers and manufacturers of various branded devices. In 2015, the United States Food and Drug Administration acknowledged rising clinical concerns and stated that the agency would work with stakeholders to further evaluate gaps that exist in current national and international device standards for coated intravascular medical technologies. The present article reviews current knowledge on this complication as well as factors that played a role in delaying detection and dissemination of information and new knowledge once hazards and clinical risks were identified. Furthermore, organ-specific effects and adverse reaction patterns are summarized, along with implications for device manufacturing, safety assurance, and regulation. Qualitative and quantitative particulate testing are needed to optimize coated intravascular device technologies. Moreover, general enhanced processes for medical device surveillance are required for timely adverse event management and to ensure patient safety.
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