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Practical use of the Glasgow Coma Scale; a comprehensive narrative review of GCS methodology
1NSW Institute of Trauma and Injury Management, Australia. pmmiddleton@gmail.com
Objective:
Narrative review of Glasgow Coma Scale (GCS) methodology.
Design:
Narrative review of published papers describing methodological aspects of the GCS, from Premedline, Medline, EMBASE, CINAHL and Ovid Nursing databases from 1950 to May 2012.
Results:
Examination of 18,851 references limited to descriptions of GCS development, pathophysiological correlations, examination techniques, complications or clinician agreement gave a final set of 33, which were summarised in this review.
Conclusion:
The GCS was designed for the objective measurement of level of consciousness, assessment of trend, and to facilitate accurate and valid communication between clinicians. Concerns have been raised about the potential for misleading levels of precision engendered by the use of the GCS, and the use of simpler scales suggested. This review discusses the GCS and conditions affecting calculation of domain and summary scores, and recommends a method of implementation and interpretation.
