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Ill defined inclusion criteria resulted in missed trials
| The first 150 words of the full text of this article appear below. |
EDITOR
The review by McAlister et al of secondary prevention programmes
in coronary heart disease does not adhere to some of the major
principals of good practice when conducting systematic reviews of the
medical literature.1-3 These include a clearly defined
research question, strict inclusion criteria so that the review can be
replicated, an exhaustive search of the medical literature to find all
relevant studies, and findings that can be interpreted easily by the
reader and relate to clinical practice.
McAlister et al, at first glance, have chosen a huge area of the
medical literature to review, encompassing both pharmacological and
non-pharmacological interventions for the secondary prevention of
coronary heart disease. On closer inspection, they say that it is their
intention to review the literature concerned with disease management
programmes for coronary heart disease. The definition of disease
management programmes used is broad and is quoted as that proposed by