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In pursuit of certainty: can the systematic review process deliver?
Deborah Saltman1, Debra Jackson, Phillip J Newton
1Faculty of Health, University of Technology Sydney UTS, Australia.
BMC Medical Informatics and Decision Making
|February 22, 2013
Summary
Systematic reviews (SRs) on hypertension management offer valuable insights but often reveal evidence gaps and reporting limitations. A comprehensive approach considering adverse events and patient preferences is crucial for effective clinical decision-making.
Area of Science:
- Evidence-based medicine
- Clinical practice guidelines
- Systematic reviews
Background:
- Increasing emphasis on evidence-based approaches for patient outcomes.
- Clinical guidelines are driven by systematic reviews (SRs).
- Focus on SRs for hypertension management using the Cochrane database.
Purpose of the Study:
- Discuss the SR process in shaping clinical practice.
- Evaluate SRs for providing decisive information.
- Assess SRs for hypertension management.
Main Methods:
- Searched Cochrane database for SRs on hypertension.
- Included 25 SRs covering 443 clinical trials.
- Assessed abstracts for clinical decision-making capacity; audited by a third author.
Main Results:
- 12 of 25 SRs provided conclusive findings for treatment pathways.
- Half of SRs highlighted evidence gaps and methodological limitations in blood pressure management.
- 13 SRs were inconclusive; 8 noted inadequate reporting of adverse effects or harm.
Conclusions:
- Distillation, interpretation, and synthesis of information are vital for clinicians.
- Evidence-based approaches alone may not suffice for improving clinical care.
- Standardized approaches must include adverse events, patient needs, and clinician expertise.
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