Written by Lena Groeger
Each prescription drug you take has a unique code that the government can use to track problems. But artificial hips and pacemakers? They are implanted without such government identification, as are many other medical devices. In fact, the FDA doesn’t know how many devices are implanted into patients each year – it simply doesn’t track that data.
Many manufacturers imprint a serial number on their devices. But those numbers are not standardized and aggregated in such a way that the government can easily track them. And the past decade has seen numerous high profile cases of malfunctioning medical devices, which have led to injury or even death. Critics say the FDA’s minimal monitoring of devices contributes to these problems.
“If you’re lucky, you might find a sticker on the operating room note that was left over from the product,” said Richard Platt, who runs the Harvard Pilgrim Health Care Institute. Otherwise, there is little way of knowing what device was used.
Right now, the FDA depends mostly on voluntary reports from doctors, patients, manufacturers and hospitals to notify them of problems with devices already on the market. The agency does have some power to require manufacturers to conduct further studies or track a particular device once it is sold. But many devices don’t get that level of surveillance.
“It’s much like a patchwork of streams of information getting to the FDA,” said cardiologist Frederic Resnic of Brigham and Women’s Hospital, who has worked with the FDA on medical device safety monitoring. “The FDA is relying on anecdotal and very variable information about the safety of medical devices.”
If manufacturers get word from a doctor or hospital about a death or injury that occurred as a result of their product, they are legally obligated to investigate the event and report it to the FDA. But the process isn’t straightforward, as has become clear in the recent controversy over the malfunctioning St. Jude’s Riata defibrillator leads (wires that connect a defibrillator to the heart). The FDA said an individual doctor’s report helped alert them to the problem, but it was months before the device was recalled.
According to attorney William Vodra, a regulatory law expert and member of the Institute of Medicine panel that published a report on medical device safety last year, the number of doctors who actually contact manufacturers is small.
And after being notified of patient harm, manufacturers can minimize their own responsibility if they point the blame elsewhere, said health policy expert Diana Zuckerman, president of the National Research Center for Women & Families.
For example, if someone dies from complications in a surgery to remove an implant, the manufacturer may argue that it was the surgery – not the implant – that killed the patient.
“You have a system that is not rigorous, the standards are not always understood, and they are interpreted differently by different people,” Zuckerman said.
Photo from Thinkstock
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