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opioids

Program cut risky opioid prescriptions for U.S. veterans

After a national initiative took aim at high opioid doses and potentially dangerous drug combinations, the number of veterans receiving such prescriptions dropped, a new study finds.

Over a two-year period, high-dose opioid prescribing declined by 16 percent, and very-high-dose opioid prescribing dropped by 24 percent. The number of patients receiving both opioids and sedatives, which can be lethal when combined, dropped by 21 percent.

The study, published in the journal Pain, looks at the effect of the Opioid Safety Initiative, which the Veterans Health Administration rolled out in late 2013 to promote safer opioid prescribing. The study examines implementation of the OSI across all of the nation’s 141 VA hospitals.

Under the OSI, the VHA created a dashboard tool, using its national computerized medical record system, to allow local VA clinical leaders to systematically review opioid prescribing and give physicians feedback.

The team research compared VA opioid prescribing for the year before the OSI rolled out with OSI’s first year. The new research shows OSI greatly accelerated the downward trend, which came on the heels of other system attempts to combat risky opioid use, including guidelines for prescribing.

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“As our nation as a whole is learning, it’s important to reduce risky opioid-related prescribing,” says Lewei Allison Lin, first author of the new study and an addiction fellow in the University of Michigan psychiatry department who trained in the VA system. “We hope that these findings, showing the VA OSI was associated with a reduction in risky prescribing, will encourage others to consider similar health care system interventions to address this complex issue.”

Deaths and cases of substance use disorders linked to opioid painkillers have risen to epidemic levels nationally, with more than 14,000 deaths from prescription opioids in 2014 according to the Centers for Disease Control and Prevention, the most recent year for which data is available. Accidental overdoses among people taking opioids that interact with other drugs have also been on the rise.

Potent drugs

Although there are many kinds of opioid painkillers, the potency of each one can be measured in morphine equivalents or MEQs. The study focused on patients with prescriptions above particularly high daily thresholds: 100 MEQ and 200 MEQ. The study finds that OSI was associated with 331 fewer patients a month receiving prescriptions with daily doses above 100 MEQ, and 164 fewer patients a month being prescribed a daily dose above 200 MEQ.

The OSI effort also focused on use of benzodiazepine sedatives, which can dangerously interact with opioids. The study found that 781 fewer patients each month received both an opioid and a benzodiazepine under the OSI.

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But the new data shows variation among VA hospitals in OSI’s impact. In a minority of hospitals, high-dose opioid prescribing actually went up during the study period.

Although the findings are encouraging, researchers caution that further efforts to drive down risky opioid prescribing will need to continue to take patients’ pain, mental health, and addiction care needs, as well as physicians’ decision-making into account.

The hospital’s ‘champion’

The OSI is based on an approach called “audit and feedback,” which has been used successfully in other efforts to improve health care quality and safety.

That the national VA system uses a single computerized electronic medical record system allowed it to create the dashboard approach. Each hospital’s OSI “champion” could easily see how opioids and related medications were being prescribed at their hospital, and who prescribed them. They could compare that information with national and regional data.

Besides the dashboard, and the VA’s opioid prescribing guidelines introduced in 2010, the OSI also encouraged local hospital leaders to provide education to clinicians about pain care and opioid prescribing. Each OSI champion could decide how best to use the OSI data and tools to address opioid prescribing to ensure that tailored individual patient care remained the priority.

Once opioids and sedatives have been prescribed, changing the dose must be done gradually and carefully, especially when a patient has been accustomed to higher doses over a longer period of time.

Lin notes that further evaluation of OSI data will be needed to determine how dosages were reduced and to see the impact of newer components of the OSI program.

Researchers from the University of Michigan Medical School and Institute for Healthcare Policy and Innovation, the VA Ann Arbor Healthcare System, and Yale University conducted the study, which the VA Quality Enhancement Research Initiative funded.

Source: University of Michigan

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