Kayla M Frodsham1, Joseph E Fair, R Brock Frost, Ramona O Hopkins, Erin D Bigler, Sarah Majercik, Joseph Bledsoe, David Ryser, Joel MacDonald, Ryan Barrett, Susan D Horn, David Pisani, Mark Stevens, Michael J Larson. 1. From the Department of Psychology, Brigham Young University, Provo, Utah (KMF, JEF, RBF); Utah Valley Orthopedics and Sports Medicine and Department of Physical Medicine and Rehabilitation, Utah Valley Hospital, Provo, Utah (JEF); Raymond G. Murphy VA Medical Center, Albuquerque, New Mexico (RBF); Department of Neurology, University of Utah School of Medicine, Salt Lake City, Utah (RBF); Pulmonary and Critical Care Medicine, Intermountain Medical Center, Murray, Utah (ROH); Center for Humanizing Critical Care, Intermountain Healthcare, Murray, Utah (ROH); Department of Psychology and Neuroscience Center, Brigham Young University, Provo, Utah (ROH, EDB, MJL); Department of Psychiatry and Neurology, University of Utah, Salt Lake City, Utah (EDB); Division of Trauma Services and Surgical Critical Care, Intermountain Medical Center, Murray, Utah (SM, MS); Department of Emergency Medicine, Intermountain Medical Center, Murray, Utah (JB); Department of Rehabilitation Medicine, Intermountain Medical Center, Murray, Utah (DR); Neurosurgery, Salt Lake Regional Medical Center, Salt Lake City, Utah (JM); Institute for Clinical Outcomes Research, Salt Lake City, Utah (RB, SDH); University of Utah School of Medicine, Salt Lake City, Utah (SDH); and Department of Radiology, Intermountain Medical Center, Murray, Utah (DP).
Abstract
OBJECTIVE: The aim of the study was to compare the relative predictive value of Marshall Classification System and Rotterdam scores on long-term rehabilitation outcomes. This study hypothesized that Rotterdam would outperform Marshall Classification System. DESIGN: The study used an observational cohort design with a consecutive sample of 88 participants (25 females, mean age = 42.0 [SD = 21.3]) with moderate to severe traumatic brain injury who were admitted to trauma service with subsequent transfer to the rehabilitation unit between February 2009 and July 2011 and who had clearly readable computed tomography scans. Twenty-three participants did not return for the 9-mo postdischarge follow-up. Day-of-injury computed tomography images were scored using both Marshall Classification System and Rotterdam criteria by two independent raters, blind to outcomes. Functional outcomes were measured by length of stay in rehabilitation and the cognitive and motor subscales of the Functional Independence Measure at rehabilitation discharge and 9-mo postdischarge follow-up. RESULTS: Neither Marshall Classification System nor Rotterdam scales as a whole significantly predicted Functional Independence Measure motor or cognitive outcomes at discharge or 9-mo follow-up. Both scales, however, predicted length of stay in rehabilitation. Specific Marshall scores (3 and 6) and Rotterdam scores (5 and 6) significantly predicted subacute outcomes such as Functional Independence Measure cognitive at discharge from rehabilitation and length of stay. CONCLUSIONS: Marshall Classification System and Rotterdam scales may have limited utility in predicting long-term functional outcome, but specific Marshall and Rotterdam scores, primarily linked to increased severity and intracranial pressure, may predict subacute outcomes.
OBJECTIVE: The aim of the study was to compare the relative predictive value of Marshall Classification System and Rotterdam scores on long-term rehabilitation outcomes. This study hypothesized that Rotterdam would outperform Marshall Classification System. DESIGN: The study used an observational cohort design with a consecutive sample of 88 participants (25 females, mean age = 42.0 [SD = 21.3]) with moderate to severe traumatic brain injury who were admitted to trauma service with subsequent transfer to the rehabilitation unit between February 2009 and July 2011 and who had clearly readable computed tomography scans. Twenty-three participants did not return for the 9-mo postdischarge follow-up. Day-of-injury computed tomography images were scored using both Marshall Classification System and Rotterdam criteria by two independent raters, blind to outcomes. Functional outcomes were measured by length of stay in rehabilitation and the cognitive and motor subscales of the Functional Independence Measure at rehabilitation discharge and 9-mo postdischarge follow-up. RESULTS: Neither Marshall Classification System nor Rotterdam scales as a whole significantly predicted Functional Independence Measure motor or cognitive outcomes at discharge or 9-mo follow-up. Both scales, however, predicted length of stay in rehabilitation. Specific Marshall scores (3 and 6) and Rotterdam scores (5 and 6) significantly predicted subacute outcomes such as Functional Independence Measure cognitive at discharge from rehabilitation and length of stay. CONCLUSIONS: Marshall Classification System and Rotterdam scales may have limited utility in predicting long-term functional outcome, but specific Marshall and Rotterdam scores, primarily linked to increased severity and intracranial pressure, may predict subacute outcomes.
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