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Do clinical experts rely on the Cochrane library?

David A Grimes¹, Melody Y Hou, Laureen M Lopez

¹Family Health International, Research Triangle Park, North Carolina 27709, USA. dgrimes@fhi.org

Obstetrics and Gynecology

|February 2, 2008

Summary

Cochrane reviews are underutilized in the US. A study found only 53% of Obstetrics & Gynecology expert articles cited relevant Cochrane reviews, indicating a missed opportunity to enhance evidence-based practice.

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Area of Science:

Evidence-based medicine
Systematic reviews
Medical literature analysis

Background:

Cochrane reviews are a key resource for evidence-based medicine.
Limited public access may contribute to underuse in the United States.
Assessing the citation of Cochrane reviews in influential medical series is important for understanding their impact.

Purpose of the Study:

To evaluate the extent to which Cochrane reviews were cited in the Clinical Expert Series of Obstetrics & Gynecology.
To identify potential barriers or patterns in the utilization of Cochrane reviews by medical opinion leaders.

Main Methods:

Systematic review of 54 articles from the Clinical Expert Series (Obstetrics & Gynecology) from inception to June 2007.
Searched for relevant Cochrane reviews published at least two quarters prior to each article.
Analyzed citation frequency of identified Cochrane reviews within the series.

Main Results:

Out of 54 articles, 36 had relevant Cochrane reviews available.
19 of these 36 articles (53%) cited at least one Cochrane review.
Only 40 out of 187 (21%) potentially relevant Cochrane reviews were cited.

Conclusions:

While about half of the articles cited relevant Cochrane reviews, a significant number of eligible reviews were not referenced.
Increased citation of Cochrane reviews could strengthen the scientific foundation of prominent medical series.
Strategies to improve access and awareness of Cochrane reviews in the US may be needed.