The treatment of attention-deficit hyperactivity disorder: An annotated bibliography and critical appraisal of published systematic reviews and metaanalyses

Author(s): Booker, L., Gauld, M., Kakuma, R., Boyle, M., Cunningham, C. E., Kim, M., Schachar, R.

Journal/Book: Can J Psychiatry. 1999; 44: 260-441 Maclaren St, Ottawa, Ontario K2H 2P3, Canada. Canadian Psychiatric Assoc. 1025-1035.

Abstract: Context: The Agency for Health Care Policy and Research charged the McMaster Evidence-based Practice Center with conducting a comprehensive systematic review of the literature on the treatment of attention-deficit hyperactivity disorder (ADHD), with input from various groups of stakeholders. One strategy used to avoid duplication of work included a critical appraisal of existing systematic reviews and metaanalyses. Objective: To identify and appraise published metaanalyses and systematic reviews on the treatment of ADHD and to produce an annotated bibliography. Data Sources: Medline, Cumulative Index in Nursing and Allied Health (CINAHL), Healthstar, Psycinfo, and Embase were searched to September 1998; the Cochrane Database (1998 issue 3), selected Internet sites, and the files of investigators were also reviewed. Study Selection: Review articles described as systematic reviews or metaanalyses or including a Methods section were identified independently by 3 reviewers. Data Extraction: Two reviewers extracted, by consensus, relevant information on the name, methodological quality, ADHD-related aspects (comorbid disorders, family characteristics) of those reviews; data on the population, study setting, interventions, and outcomes evaluated by the reviews were also retrieved. Results: Thirteen reviews, published from 1982 to 1998, were included. Eight included metaanalysis and 5 a qualitative review. Nonpharmacological treatments were mentioned in 6 reviews and combination therapies in 3. One review focused on the treatment of adults. Forty-seven drugs and 20 adverse effects were mentioned. Most reviews had major methodological flaws. Conclusions: Most published systematic reviews and metaanalyses on the treatment of ADHD have limited value for guiding clinical, policy, and research decisions. A rigorous, systematic review following established methodological criteria is warranted.

Note: Review Jadad AR, McMaster Univ, Dept Clin Epidemiol & Biostat, McMaster Evidence Based Practice Ctr, Hlth Informat Res Unit, Hamilton, ON L8N 3Z5, CANADA

Keyword(s): attention deficit; hyperactivity; systematic review; metaanalysis; treatment; stimulants; behavioural therapy; adverse effects; DEFICIT/HYPERACTIVITY DISORDER; META-ANALYSIS; CHILDREN; ADOLESCENTS; PHARMACOTHERAPY; INTERVENTIONS; METHODOLOGY; MEDICATION; ARTICLES; BEHAVIOR

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