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Are Recalled Duodenoscopes Any Safer?

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Washington, DCAny medical device plaintiff fighting an endoscope infection lawsuit appears to have a friend in Senator Patty Murray (D-Wash). The Democratic lawmaker noted back in April that she had become alarmed in the face of a superbug outbreak in Europe late last year, and thus had issued a request to medical device manufacturer Olympus Corp. (Olympus) for data that would demonstrate a redesigned medical device was safe.

Endoscope infection lawsuits often follow incidents of surgical infection when a reusable endoscope or duodenoscope is not properly or successfully cleaned and disinfected prior to use for another patient. Endoscopes or duodenoscopes feature intricate designs and prove a challenge to successfully disinfect. Endoscope infection lawsuits allege design flaws.

Duodenoscopes, especially, are complex devices that have proven a challenge to clean and disinfect, even when prescribed cleaning protocols are followed. Endoscopes and duodenoscopes have been associated with outbreaks of so-called superbugs in the past, and lawmakers such as Murray are concerned that any association with infection through the use of endoscopes and duodenoscopes are minimized through better disinfection practices, improved device design, or a combination of both.

According to the Los Angeles Times (04/05/17), the outbreak in Europe occurred in December of last year. The medical facility and the specific location were not identified in a report filed with the US Food and Drug Administration (FDA) by a foreign health professional conversant with the outbreak. Five people were affected, one of whom died – although that death was thought to have been associated with a pre-existing condition.

The concern for Murray – and any plaintiff bringing an endoscope negligence lawsuit – remains the fact that all five individuals were felled by the same drug-resistant bacteria. What’s more, all five infections were linked to the use of an endoscope manufactured by Olympus that was recalled last year for replacement of a mechanism thought to contribute to the entrapment of bacteria that may escape cleaning and disinfecting protocols.

That device – 4,400 of which are in circulation at various hospitals – is the Olympus TJF-Q180V Duodenoscope.

Hence, Murray queried Olympus about the success, or lack thereof with regard to the manufacturer’s changes to the endoscope and the capacity for mitigating infection risk.

Murray has a well-known and widely-publicized track record when it comes to endoscopic infection and medical device safety. In recent years the Senator led an investigation into the safety and efficacy – and infection risk – associated with duodenoscopes. Her report was released in January of last year and revealed an association between duodenoscopes made by various manufacturers and 25 outbreaks that sickened 250 patients worldwide.

Of those 25 outbreaks, 19 were traced to a specific duodenoscope manufactured by Olympus. One of those outbreaks occurred at UCLA Ronald Reagan Medical Center. Three patients died.

The LA Times reported that three independent investigations determined the mechanical component at the center of the Olympus recall carried the potential for spreading infection from one patient to another. The specific investigations were not identified.

“This tragic incident is particularly alarming because your company recalled and reportedly fixed the device in question,” Murray wrote earlier this year.

Olympus signaled that it was willing to work with Murray on answering those questions, although a spokesperson indicated it was too early to jump to any conclusions.

“It is premature to reach a conclusion regarding the cause or causes” of the outbreak, said Olympic spokesperson Mark Miller, in comments published in the LA Times. “Patient safety remains our highest priority.”

Duodenoscopes are effective medical devices for the intervention and treatment of cancer, gallstones or other issues associated with bile of pancreatic ducts. However, they’re not cheap - $40,000 each – and thus are not disposable. Endoscopes and duodenoscopes are cleaned, disinfected and processed for re-use between patients.

The problem – and this has been the crux of many an endoscope lawsuit – remains with the fact it is extremely challenging to effectively clean them, even when cleaning protocols are rigidly followed…


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