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Related Experiment Videos

When and how to update systematic reviews.

D Moher¹, A Tsertsvadze, A C Tricco

¹Chalmers Research Group, Children's Hospital of Eastern Ontario, 401 Smyth Road, Room R226, Ottawa, Ontario, Canada, K1H 8L1. dmoher@uottawa.ca

The Cochrane Database of Systematic Reviews

|February 7, 2008

Summary

This summary is machine-generated.

Keeping systematic reviews current is crucial. This review identified few methods for determining when and how to update systematic reviews, highlighting a need for more research.

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Area of Science:

Healthcare research methodology
Evidence synthesis and meta-analysis

Background:

Systematic reviews are essential for evidence-based healthcare.
Maintaining the timeliness of systematic reviews is critical for their utility.
This study addresses the need for updated systematic reviews.

Purpose of the Study:

To identify, describe, and assess strategies and methods for updating systematic reviews.
To determine optimal timing for systematic review updates.
To evaluate methods for conducting systematic review updates.

Main Methods:

Comprehensive literature search of multiple databases (MEDLINE, PsycINFO, Cochrane Methodology Register) and conference proceedings.
Inclusion of various report types, including methodology papers and updated reviews.
Descriptive assessment of identified strategies and methods using a standardized questionnaire.

Main Results:

Identified four updating strategies, one bibliographic searching technique, and two statistical methods.
Strategies included models for assessing the need to update and steps for the updating process.
Statistical methods encompassed cumulative meta-analysis and prediction of meta-analysis obsolescence.

Conclusions:

Limited research exists on when and how to update systematic reviews.
The feasibility and efficiency of current updating approaches remain uncertain.
Further research is recommended to address these knowledge gaps and improve systematic review updating practices.