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Τρίτη 26 Ιουνίου 2018

Usefulness of the Korean Version of the CAGE-Adapted to Include Drugs Combined With Clinical Predictors to Screen for Opioid-Related Aberrant Behavior

BACKGROUND: As national opioid consumption in South Korea has soared, well-validated screening tools for opioid use disorder (OUD) have become indispensable. The aims of our study were to evaluate OUD using the Korean version of the CAGE-Adapted to Include Drugs (CAGE-AID) and the CAGE-Opioid (an alternative version of the CAGE-AID), and to investigate clinical predictors that might be useful to screen for OUD in conjunction with the CAGE-AID/Opioid questionnaires. METHODS: A single-center, prospective, observational study was performed. After linguistic validation of the Korean version of the CAGE-AID/Opioid questionnaires, we assessed OUD in patients with chronic opioid treatment. Multivariable logistic models of the CAGE-AID/Opioid questionnaires combined with relevant clinical predictors were established. Then, the receiver operating characteristic curve analysis of the multivariable CAGE-AID/Opioid models was conducted to assess diagnostic accuracy to screen for OUD. Next, we calculated predicted probability with >85% sensitivity and >50% specificity in each CAGE-AID and CAGE-Opioid model. Using the optimal value of the predicted probability, a cutoff score of the CAGE-AID/Opioid questionnaires combined with the relevant clinical factors was suggested to screen for OUD. RESULTS: Among 201 participants, 51 patients showed ≥1 OUDs. In the multivariable regression model, male sex, comorbid neuropsychiatric disorder, and current heavy drinking significantly remained as clinical variables to predict OUD combined with the scores of the Korean CAGE-AID/Opioid questionnaire. The area under the curve was 0.77 (95% confidence interval, 0.71–0.83) for the CAGE-AID model and 0.78 (95% confidence interval, 0.71–0.83) for the CAGE-Opioid model. The optimal predicted probability values to screen for OUD in the CAGE-AID/Opioid models were >0.135 (sensitivity, 0.86; specificity, 0.52) and >0.142 (sensitivity, 0.86; specificity, 0.53), respectively. When we used these predictive probabilities, the cutoff score of the CAGE-AID/Opioid questionnaires ranged from 0 to 3, which was dependent on the presence of the relevant clinical variables in each model. CONCLUSIONS: In this study, one fourth of the total participants with chronic opioid treatment showed OUD in the Korean population. The multivariable models of the CAGE-AID/Opioid with sex, comorbid neuropsychiatric disorder, and current heavy drinking are valid parameters to screen for OUD, with the cutoff scores of the CAGE-AID/Opioid questionnaires ranging from 0 to 3 depending on the presence of the clinical variables. Accepted for publication May 8, 2018. Funding: None. The authors declare no conflicts of interest. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (https://ift.tt/KegmMq). Reprints will not be available from the authors. Address correspondence to Jee Youn Moon, MD, PhD, FIPP, CIPS, Department of Anesthesiology and Pain Medicine, Seoul National University Hospital College of Medicine, 110 Daehang-ro, Jongno-gu, Seoul 110–744, Korea. Address e-mail to jymoon0901@gmail.com. © 2018 International Anesthesia Research Society

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