Risk Factors Related to Prognosis in Patients with Isolated Traumatic Subdural Hematoma

Young Bae Lee

doi:10.13004/jknts.2011.7.1.12

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Lee: Risk Factors Related to Prognosis in Patients with Isolated Traumatic Subdural Hematoma

Clinical Article

Journal of Korean Neurotraumatology Society 2011; 7(1): 12-18.

Published online: 30 April 2011

DOI: https://doi.org/10.13004/jknts.2011.7.1.12

Risk Factors Related to Prognosis in Patients with Isolated Traumatic Subdural Hematoma

Young Bae Lee, MD

Department of Neurosurgery, Gyeongju Hospital, Dongguk University College of Medicine, Gyeongju, Korea.

Address for correspondence: Young Bae Lee, MD. Department of Neurosurgery, Gyeongju Hospital, Dongguk University College of Medicine, 1090-1 Seokjang-dong, Gyeongju 780-350, Korea. Tel: +82-54-770-8230, Fax: +82-54-770-8378, leeyb@dongguk.ac.kr

Received 24 March 2011 Revised 29 March 2011 Accepted 29 April 2011

Abstract

Objective

The purpose of this study was to analyze risk factors related to prognosis in patients treated for isolated traumatic acute subdural hematoma (ASDH).

Methods

A retrospective study of 164 blunt head trauma patients with isolated ASDH who were admitted to our hospital between January 2002 and December 2009 were reviewed. Information regarding age, sex, trauma mechanism, Glasgow Coma Scale (GCS) score, symptoms, brain computed tomography (CT) findings, hospital course and 6-months outcome were collected and analyzed.

Results

The overall mortality was 19.6% (32/164). A lower GCS score at the time of admission, the presence of brain herniation were identified as independent risk factors, while no independent association was observed between mortality and hematoma volume, thickness, midline shift and obliteration of patency of the basal cisterns, although these variables were correlated with mortality in univariate analyses.

Conclusion

These findings can be used to predict outcome and may also be useful in making decisions about triage, quality assurance, and improve survival.

Keywords: Subdural hematoma, Risk factor, CT scan findings, GCS score, Prognosis

Figures and Tables

TABLE 1

Summary of the patient's characteristics

GCS: glasgow coma scale

TABLE 2

Radiographic findings on initial CT

TABLE 3

Results of univariate analyses relating the clinical variables to the outcome in patients for isolated traumatic acute subdural hematoma

GR: good recovery, MD: moderate disability, SD: severe disability, VS: vegetative state, D: death, GCS: glasgow coma scale, LOC: loss of consciousness

TABLE 4

Results of univariate analyses relating the CT findings to the outcome in patients for isolated traumatic acute subdural hematoma

GR: good recovery, MD: moderate disability, SD: severe disability, VS: vegetative state, D: death

TABLE 5

Results of multivariate analyses relating the clinical variables to the outcome in patients for isolated traumatic acute subdural hematoma

CI: confidence interval, GCS: glasgow coma scale

TABLE 6

Time of surgery, outcome and mortality rate

GR: good recovery, MD: moderate disability, SD: severe disability, VS: vegetative state, D: death

Notes

The author has no financial conflicts of interest.

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