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Prescription monitoring programs and emergency department visits involving benzodiazepine misuse: Early evidence from 11 United States metropolitan areas.

ABSTRACT: Emergency department (ED) visits involving benzodiazepines have increased in the United States. Most states have created prescription monitoring programs (PMPs) to improve drug prescribing safety. To determine the association between PMP implementation and ED visits involving benzodiazepine misuse, we conducted a retrospective analysis of data from 11 metropolitan areas in the United States from 2004 to 2011.We estimated rates of ED visits per 100,000 residents involving benzodiazepine misuse from the Drug Abuse Warning Network dataset. Dates of PMP implementation were obtained from program administrators. We used linear regression models to assess whether PMP implementation was associated with a change in ED visits involving benzodiazepines. Models were adjusted for calendar quarter, metropolitan area, and metropolitan area-specific linear time trends.Rates of ED visits involving benzodiazepine misuse increased in all metropolitan areas during the study period. PMP implementation was not associated with a change in ED visits (mean difference: 0.9 [95% CI: -0.09 to 1.9] visits per 100,000 population per quarter; p=0.08). When analyzed by number of years after implementation, PMPs were associated with a higher visit rate in year one (0.8 [95% CI: 0.2-1.5]; p=0.01]), but not in year two (0.3 [95% CI: -2.1-2.8]; p=0.78) or year three or later (2.1 [95% CI: -0.4-4.7]; p=0.10).We did not find evidence that PMP implementation was associated with reductions in ED visits involving benzodiazepine misuse. Future work should identify PMP features and capabilities that improve benzodiazepine safety.

SUBMITTER: Bachhuber MA

PROVIDER: S-EPMC4752854 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Prescription monitoring programs and emergency department visits involving benzodiazepine misuse: Early evidence from 11 United States metropolitan areas.

Bachhuber Marcus A MA Maughan Brandon C BC Mitra Nandita N Feingold Jordyn J Starrels Joanna L JL

The International journal on drug policy 20150813

<h4>Background</h4>Emergency department (ED) visits involving benzodiazepines have increased in the United States. Most states have created prescription monitoring programs (PMPs) to improve drug prescribing safety. To determine the association between PMP implementation and ED visits involving benzodiazepine misuse, we conducted a retrospective analysis of data from 11 metropolitan areas in the United States from 2004 to 2011.<h4>Methods</h4>We estimated rates of ED visits per 100,000 residents ...[more]

PMID: 26345658

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Project description:BackgroundAlcohol consumption may interfere with absorption, distribution, metabolism, and excretion of medications and increase risk of adverse drug reactions (ADR). Studies report increasing prescription medication use over time, with many U.S. drinkers using alcohol-interactive medication. This study identified trends in incidence of U.S. emergency department (ED) visits for ADR with alcohol involvement (ADR-A), compared characteristics and disposition between ADR-A visits and ADR visits without alcohol involvement (ADR-NA), and examined frequency of implicated medications in such visits for 2005 to 2011.MethodsADR visits were identified through the Drug Abuse Warning Network, a national surveillance system monitoring drug-related ED visits. Analysis accounted for sampling design effects and sampling weights. Estimates are presented for totals (ages 12+), age group, and/or sex. Trends were assessed by joinpoint log-linear regression. Differences between ADR-A and ADR-NA visits were compared using two-tailed Rao-Scott chi-square tests.ResultsFrom 2005 to 2011, incidence of ADR-A visits increased for males and females ages 21 to 34 and females ages 55+. An average of 25,303 ADR-A visits ages 12+ occurred annually. Compared with ADR-NA visits, ADR-A visits were more likely to involve males, patients ages 21 to 54, and 2+ implicated drugs. Alcohol involvement increased odds of more serious outcomes from ADR visits. Central nervous system (CNS) agents were the most common medications in ADR-A visits (59.1%), with nearly half being analgesics (mainly opioid). About 13.8% of ADR-A visits involved psychotherapeutic agents, including antidepressants. Besides CNS and psychotherapeutic agents, ADR-A visits involved a higher percentage of genitourinary-tract agents (mainly for impotence) than ADR-NA visits. Sex and age variations were observed with certain implicated medications.ConclusionsED visits for alcohol-drug interactions can be prevented by avoiding alcohol when taking alcohol-interactive medications. Our results underscore the need for healthcare professionals to routinely ask patients about alcohol consumption and warn of ADR risks before prescribing and dispensing alcohol-interactive medications.

Project description:Collaborative Care is a comprehensive longitudinal care management strategy. The purpose of this pilot effectiveness-implementation hybrid study was to determine the feasibility of a Collaborative Care intervention initiated from the Emergency Department and proceeding longitudinally for six months for injured patients with prescription drug misuse (PDM). Adult patients presenting to an urban ED with an injury were screened for eligibility from 2/2015-8/2015. Eligible participants with a positive screen for PDM were enrolled in the 'ED-LINC' intervention which included the following elements: 1) active care coordination and linkage, 2) medication safety and utilization of opioid guidelines 3) longitudinal care management and 4) utilization of Electronic Medical Record (EMR) innovations such as the statewide Emergency Department Information Exchange (EDIE) and statewide prescription monitoring program information for assessment and follow-up. Baseline characteristics of the sample were assessed and regression models were used to evaluate longitudinal trajectories of risk for PDM. A total of 36 participants (56% of patients approached) had PDM and 30 participants were enrolled. Of those enrolled, 37% had prescription stimulant misuse, 20% with prescription sedative misuse and 97% had prescription opioid misuse. Follow-up rates at all time points were ?83%. Baseline levels of comorbidity were high; 57% endorsed recent heroin use and 70% endorsed symptoms consistent with major depression. Over 50% had five or more statewide ED visits and 53% had used three or more different ED's in the past year. On average, participants received a total of 85 minutes of ED-LINC over six months with 90% of participants receiving all four intervention elements. All patients had care coordinated with new or existing primary care providers (PCP's) and 23% were linked to a new PCP. A majority of patients (?80%) reported receiving high quality, desired intervention services. There was no significant change in PDM over time. Collaborative Care initiated from the ED is feasible and acceptable to patients with trauma and PDM. Future directions could include effectiveness-implementation hybrid trials to study implementation barriers and strategies as well as patient-level outcomes of this intervention for this complex patient population.

Dataset Information

Prescription monitoring programs and emergency department visits involving benzodiazepine misuse: Early evidence from 11 United States metropolitan areas.

Publications

Prescription monitoring programs and emergency department visits involving benzodiazepine misuse: Early evidence from 11 United States metropolitan areas.

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