Published online by Cambridge University Press: 02 January 2018
The purpose of this review is to familiarise the reader with the clinical utility of investigations in the diagnosis and management of alcohol use disorders (AUDs). Many biochemical and haematological tests are widely available, and can improve significantly the quality of diagnosis and management. However, there is no single test that can detect AUDs with complete accuracy. Further, the validity of a test will vary depending on the clinical application. Such tests should never be relied on in isolation. Adequate clinical evaluation also needs to include a combination of interview and examination of the patient, and interview of other informants (Cantwell & Chick, 1994; Edwards et al, 1997). In the research setting, self-report is generally a valid and reliable method of assessing alcohol consumption (Babor et al, 1987), particularly when it is elicited by a standardised method (e.g. Sobell et al, 1980) and the information is provided in confidence. In the clinical setting, however, the patient may report his or her version of past drinking subject to the demand characteristics of the situation, particularly if adverse consequences are likely to ensue (e.g. discharge from a treatment programme).
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