Red flags to screen for malignancy in patients with low-back pain

Nicholas Henschke*, Christopher G. Maher, Raymond W J G Ostelo, Henrica C W de Vet, Petra Macaskill, Les Irwig

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

75 Citations (Scopus)

Abstract

Background The identification of serious pathologies, such as spinal malignancy, is one of the primary purposes of the clinical assessment of patients with low-back pain (LBP). Clinical guidelines recommend awareness of "red flag" features fromthe patient's clinical history and physical examination to achieve this. However, there are limited empirical data on the diagnostic accuracy of these features and there remains very little information on how best to use them in clinical practice. Objectives To assess the diagnostic performance of clinical characteristics identified by taking a clinical history and conducting a physical examination ("red flags") to screen for spinal malignancy in patients presenting with LBP. Search methods We searched electronic databases for primary studies (MEDLINE, EMBASE, and CINAHL) and systematic reviews (PubMed and Medion) from the earliest date until 1 April 2012. Forward and backward citation searching of eligible articles was also performed. Selection criteria We considered studies if they compared the results of history taking and physical examination on patients with LBP with those of diagnostic imaging (magnetic resonance imaging, computed tomography, myelography). Data collection and analysis Two review authors independently assessed the quality of each included study with the QUality Assessment of Diagnostic Accuracy Studies (QUADAS) tool and extracted details on patient characteristics, study design, index tests, and reference standard. Diagnostic accuracy data were presented as sensitivities and specificities with 95% confidence intervals for all index tests.

Original languageEnglish
Article numberCD008686
Pages (from-to)1-29
Number of pages29
JournalCochrane Database of Systematic Reviews
Volume2013
Issue number2
DOIs
Publication statusPublished - 2013
Externally publishedYes

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