Comparison of prescriber evaluations and patient-directed self-reports in office-based practice for buprenorphine treatment of opiate-dependent individuals in France, 2002
Estelle Lavie1, Mélina Fatséas1, Jean-Pierre Daulouède1,2, Cécile Denis1, Jacques Dubernet1, Laurent Cattan3, Marc Auriacombe1
1Laboratoire de psychiatrie/EA4139, INSERM IFR-99 and Faculté de médecine Victor Pachon, University Victor Segalen Bordeaux 2, Bordeaux, France; 2Bizia, Centre de soins d’addictologie, Centre Hospitalier de la Côte Basque, Bayonne, France; 3Centre médical, Noisy-le-sec, France
Abstract: The objective of this cross-sectional evaluation study was to compare data generated through prescriber assessments, and data generated from independent direct contact with opiate-dependent patients in office-based practice to evaluate buprenorphine treatment for modality of buprenorphine absorption, benzodiazepine use, and depressive symptoms. A group of buprenorphine office-based practice prescribers was selected to participate in this study. They were asked to screen for inclusion all their patients coming for a visit from February to August 2002. Once included by their prescribing physician, patients were given a series of self-administered questionnaires to be returned directly to the research staff, independently of their prescriber. Each prescriber was given a questionnaire to complete based on their knowledge and interview of the patient. Items assessed were history of current treatment, current substance use, buprenorphine treatment related behavior (daily frequency of intake, route of administration), benzodiazepine use and existence of a major depressive episode. Prescribers and patients’ questionnaires were compared. Concordance of both assessments was assessed by kappa statistics. The sensitivity and specificity as well as the positive and negative predictive values of prescriber collected information were compared to that of their patients’. There was an overall good correlation between both data sources on the procedures for buprenorphine use especially for intravenous use of buprenorphine. There were important variations: obtaining buprenorphine without a prescription or with a prescription made by another doctor, intravenous administration of buprenorphine, use of benzodiazepines, and depression were underestimated by prescribers.
Keywords: addiction, opiates, concordance, validity, buprenorphine, general medicine
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