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Journal of the Korean Society of Traumatology 2008;21(2):71-77.
Validation of the Simplified Motor Score for the Triage after Traumatic Brain Injury
Sang Kyong Lee, Hyun Wook Ryoo, Jung Bae Park, Kang Suk Seo, Jae Myung Chung
Department of Emergency Medicine, College of Medicine, Kyungpook National University, Daegu, Korea. realfreeman@hanmail.net
두부 외상 환자의 중증도 평가 시 단순운동점수의 유용성
이상경·류현욱·박정배·서강석·정제명
경북대학교 의과대학 응급의학교실
Abstract
PURPOSE
The Glasgow Coma Scale (GCS), though it is widely used for triage, has been criticized as being unnecessarily complex. Recently, a 3-point Simplified Motor Score (SMS, defined as obeys commands=2; localizes pain=1; withdrawals to pain or worse=0) was developed from the motor component of the GCS and was found to have a similar test performance for triage after traumatic brain injury when compared with the GCS as the criterion standard. The purpose of this study was to validate the SMS.
METHODS
We analyzed the patients who visited Kyungpook National University Hospital emergency center after traumatic brain injury from 2006 January to 2006 June. The test performance of the GCS, its motor component, and SMS relative to three clinically relevant traumatic brain injury outcomes (abnormal brain CT scans, Abbreviated Injury Scale (AIS)> or =4, and mortality) were evaluated with areas under the receiver operating characteristic curves (AUCs).
RESULTS
Of 504 patients included in the analysis, 25.6% had an abnormal brain CT scans, 13.1% had AIS> or = 4, and 5.0% died. The AUCs for the GCS, its motor component, and SMS with respect to the abnormal CT scans were 0.776, 0.715, and 0.716, and respectively, those for AIS> or =4 and mortality, were 0.969, 0.973, and 0.968, and 0.931, 0.909, and 0.909, respectively.
CONCLUSION
The 3-point SMS demonstrated similar test performance when compared with the 15-point GCS score and its motor component for triage after traumatic brain injury in our populations.
Key Words: Trauma; Brain injury; Triage


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