Melanie Boltzmann1, Simone B Schmidt2, Christoph Gutenbrunner3, Joachim K Krauss4, Martin Stangel5, Günter U Höglinger6, Claus-W Wallesch7, Jens D Rollnik2. 1. Institute for Neurorehabilitative Research, Associated Institute of the Hannover Medical School, BDH-Clinic Hessisch Oldendorf, Hessisch Oldendorf, Germany. m.boltzmann@bdh-klinik-hessisch-oldendorf.de. 2. Institute for Neurorehabilitative Research, Associated Institute of the Hannover Medical School, BDH-Clinic Hessisch Oldendorf, Hessisch Oldendorf, Germany. 3. Department of Rehabilitation Medicine, Hannover Medical School, Hannover, Germany. 4. Department of Neurosurgery, Hannover Medical School, Hannover, Germany. 5. Department of Neurology, Section of Clinical Neuroimmunology and Neurochemistry, Hannover Medical School, Hannover, Germany. 6. Department of Neurology, Hannover Medical School, Hannover, Germany. 7. BDH-Clinic Elzach, Elzach, Germany.
Abstract
BACKGROUND: The aim of the study was to determine the role of the Coma Recovery Scale-Revised (CRS-R) in the prediction of functional status at the end of neurological early rehabilitative treatment. METHODS: Patients consecutively admitted to intensive or intermediate care units of a neurological rehabilitation center were enrolled in the study. Consciousness and functional status were assessed with the Coma Recovery Scale-Revised (CRS-R) and the Early Rehabilitation Barthel Index (ERBI), respectively. Both assessments were carried out weekly within the first month and at the end of early rehabilitation. Patient and clinical data were entered into a binary logistic regression model to predict functional status at discharge. RESULTS: 327 patients (112 females, 215 males) with a median age of 63 years (IQR = 53-75) and a median disease duration of 18 days (IQR = 12-28) were included. Most patients suffered from stroke (59 %), followed by traumatic brain injury (31 %), and hypoxic ischemic encephalopathy (10 %). Upon admission, 12 % were diagnosed as comatose, 31 % as unresponsive wakefulness syndrome (UWS), 35 % as minimally conscious state (MCS) and 22 % already emerged from MCS (eMCS). Of all patients undergoing complete early rehabilitative treatment (n = 180), 72 % showed improvements in level of consciousness (LOC). In this group, age, initial CRS-R score and gains in CRS-R score after four weeks independently predicted functional outcome at discharge. CONCLUSIONS: The study confirms the relevance of the CRS-R score for functional outcome prediction. High CRS-R scores and young age facilitate functional improvements and increase the probability to continue treatment in subsequent rehabilitation phases. Moreover, results indicate that recovery might occur over a period of time that extends beyond acute care.
BACKGROUND: The aim of the study was to determine the role of the Coma Recovery Scale-Revised (CRS-R) in the prediction of functional status at the end of neurological early rehabilitative treatment. METHODS:Patients consecutively admitted to intensive or intermediate care units of a neurological rehabilitation center were enrolled in the study. Consciousness and functional status were assessed with the Coma Recovery Scale-Revised (CRS-R) and the Early Rehabilitation Barthel Index (ERBI), respectively. Both assessments were carried out weekly within the first month and at the end of early rehabilitation. Patient and clinical data were entered into a binary logistic regression model to predict functional status at discharge. RESULTS: 327 patients (112 females, 215 males) with a median age of 63 years (IQR = 53-75) and a median disease duration of 18 days (IQR = 12-28) were included. Most patients suffered from stroke (59 %), followed by traumatic brain injury (31 %), and hypoxic ischemic encephalopathy (10 %). Upon admission, 12 % were diagnosed as comatose, 31 % as unresponsive wakefulness syndrome (UWS), 35 % as minimally conscious state (MCS) and 22 % already emerged from MCS (eMCS). Of all patients undergoing complete early rehabilitative treatment (n = 180), 72 % showed improvements in level of consciousness (LOC). In this group, age, initial CRS-R score and gains in CRS-R score after four weeks independently predicted functional outcome at discharge. CONCLUSIONS: The study confirms the relevance of the CRS-R score for functional outcome prediction. High CRS-R scores and young age facilitate functional improvements and increase the probability to continue treatment in subsequent rehabilitation phases. Moreover, results indicate that recovery might occur over a period of time that extends beyond acute care.
Entities:
Keywords:
Coma Recovery Scale-Revised (CRS-R); Disorders of Consciousness (DoC); Neurological Early Rehabilitation; Prognosis; Functional Outcome
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