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Another outbreak from tainted scopes suspected at an L.A.-area Hospital

​​A Pasadena hospital is investigating a suspected outbreak related to the same type of medical scope tied to superbug infections across the country.

Huntington Memorial Hospital said Wednesday it had alerted health authorities about a potential link between patients who have a pseudomonas bacteria and the Olympus Corp. duodenoscopes used to treat them.

Many forms of deadly bacteria can become trapped inside the reusable devices and get passed on to future patients. Federal regulators have attributed this to a design flaw that makes the tip of these instruments hard to clean even when following the manufacturers' guidelines.

Huntington Memorial said it discovered the potential problem in June during a review of lab samples, and it has reported three patient infections to health officials so far. That number could grow as more medical detective work is done.

The potential outbreak underscores the ongoing difficulty that hospitals nationwide have in cleaning and inspecting these scopes - despite intense scrutiny on these devices and the threat they may pose to patients.

The widening problem is sure to ratchet up pressure on the Food and Drug Administration and scope makers to better address concerns about patient safety. Both regulators and the companies have been under fire for ignoring earlier warnings on the infection risk.

Despite all this, federal officials have insisted that the troublesome scopes remain on the market, because there's no better alternative and many critically ill patients benefit from their use.

But some medical experts said these incidents remain underreported and the number of scope-related infections may be far higher.

Monday, FDA officials issued warning letters to Olympus and two other scope makers, Fujifilm and Pentax Medical, for a range of safety-related violations. Olympus was cited for not reporting infections to authorities in a timely manner.

The U.S. Justice Department is also investigating the superbug outbreaks and has sent subpoenas to all three scope manufacturers.

The pseudomonas uncovered at the Pasadena hospital is a common cause of infections, but some strains of the bacteria are resistant to all antibiotics. That can make it deadly for some patients.

The bacteria are similar to the CRE superbug at the center of the outbreak at UCLA's Ronald Reagan Medical Center that sickened eight patients, including three who died.

The UCLA outbreak was first reported by The Times in February. A month later, Cedars-Sinai Medical Center in Los Angeles said it had discovered four patients infected from tainted Olympus scopes.

Health officials have urged all hospitals to review their medical records to look for possible infections that have gone undetected.

In these cases, the bacteria can be transmitted during a procedure known as endoscopic retrograde cholangiopancreatography, or ERCP.

Nationally, more than 650,000 ERCP procedures are performed each year, in which a fiber-optic scope is threaded down the person's throat to diagnose and treat problems in the digestive tract such as gallstones, cancers and blockages in the bile duct.

These instruments are not the same type used in more routine endoscopies and colonoscopies.

The Pasadena hospital said it has adopted safety measures such as quarantining disinfected scopes for 48 hours before reuse to check for any bacterial growth. The hospital didn't make it immediately clear when that step was added.

A spokesman for the Pasadena Public Health Department, which was contacted by the hospital, said it was aware of the situation and had asked for help from L.A. County authorities. Visit the Los Angeles Times for the story

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