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Prim Care Companion CNS Disord. 2014;16(1). doi: 10.4088/PCC.13m01566. Epub 2014 Jan 02.

Prevalence of substance misuse in new patients in an outpatient psychiatry clinic using a prescription monitoring program.

The primary care companion for CNS disorders

Elle M Sowa, Jonathan C Fellers, Rachna S Raisinghani, Maria R Santa Cruz, Priscilla C Hidalgo, Meredith S Lee, Lady A Martinez, Adrienne E Keller, Anita H Clayton

Affiliations

  1. Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville (Drs Sowa, Santa Cruz, Hidalgo, Lee, and Clayton); Department of Addiction Psychiatry, Oregon Health and Science University, Portland (Dr Fellers); Psychosomatic Medicine, Virginia Commonwealth University Health System, West Hospital, Richmond (Dr Raisinghani); Child Psychiatry, University of Connecticut, West Hartford (Dr Martinez); and Public Health Sciences, The National Social Norms Institute at the University of Virginia, Charlottesville (Dr Keller).

PMID: 24940523 PMCID: PMC4048139 DOI: 10.4088/PCC.13m01566

Abstract

OBJECTIVE: To investigate the value of a prescription monitoring program in identifying prescription drug misuse among patients presenting to a resident physician outpatient psychiatry clinic at an academic medical center.

METHOD: Participants were 314 new patients aged 18 years or older presenting to the clinic from October 2011 to June 2012. Resident physicians completed a data collection form for each participant using information from the patient interview and from the prescription monitoring program report. Prescription drug misuse was defined as having any 1 of the following 5 criteria in the prescription monitoring program report: (1) filled prescriptions for 2 or more controlled substances, (2) obtained prescriptions from 2 or more providers, (3) obtained early refills, (4) used 3 or more pharmacies, and (5) the prescription monitoring program report conflicted with the patient's report.

RESULTS: At least 1 indicator of prescription drug misuse was found in 41.7% of patients. Over 69% of the patients that the residents believed were misusing prescription drugs actually met 1 of the criteria for prescription drug misuse. The prescription monitoring program report changed the management only 2.2% of the time. Patients with prior benzodiazepine use (χ(2) 1 = 17.68, P < .001), prior opioid use (χ(2) 1 = 19.98, P < .001), a personality disorder (χ(2) 1 = 7.22, P < .001), and chronic pain (χ(2) 1 = 14.31, P < .001) had a higher percentage of prescription drug misuse compared to patients without these factors.

CONCLUSION: Using the prescription monitoring program to screen patients with prior benzodiazepine and opioid use, with a personality disorder, and/or with chronic pain may be useful in confirming the suspicion of prescription drug misuse identified at the initial evaluation.

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