Healthday News — Postmarketing adverse events related to the CardioMEMS HF System are infrequent, but can be serious, according to a research letter published in JAMA Cardiology.

Muthiah Vaduganathan, MD, MPH, from the Brigham and Women’s Hospital Heart & Vascular Center in Boston, and colleagues used data from the publicly available Manufacturer and User Facility Device Experience database to identify CardioMEMS HF System-related adverse events within 3 years of US Food and Drug Administration approval.

The researchers found that there were more than 5500 total CardioMEMS HF System implants in the United States in the first 3 years after FDA approval. During this period, 155 reports (2.8%) described 177 unique adverse events. 

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There was a median of 42 days between the date of event and date the FDA received a report; 36 reports came within 1 week of the event. Overall, 94.8% of the reports were mandatorily reported by the manufacturer/user facility. Overall adverse events accrued gradually; reports of pulmonary artery (PA) injury/hemoptysis and deaths were clustered early after device introduction. There were 28 reports of PA injury/hemoptysis (0.5%), including 14 intensive care unit stays, 7 intubations, and 6 deaths. Twenty-two deaths were included in the reports.

“Future partnerships between regulators, industry sponsors, and academia may help better triage available resources toward improving patient selection, operator experience, or device technology to optimize device use in clinical practice,” the authors write.

Several authors disclosed financial ties to pharmaceutical and medical device companies, including St. Jude Medical (now Abbott, which markets the CardioMEMS System).

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Vaduganathan M, DeFilippis EM, Fonarow GC, et al. Postmarketing adverse events related to the CardioMEMS HF system [published online September 18, 2017]. JAMA Cardiol. doi:10.1001/jamacardio.2017.3791