Tessa Hart1, John Whyte2, Ingrid Poulsen3, Karin Spangsberg Kristensen3, Annette M Nordenbo3, Inna Chervoneva4, Monica J Vaccaro5. 1. Moss Rehabilitation Research Institute, Elkins Park, PA; Department of Rehabilitation Medicine, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA. Electronic address: thart@einstein.edu. 2. Moss Rehabilitation Research Institute, Elkins Park, PA; Department of Rehabilitation Medicine, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA. 3. Clinic of Neurorehabilitation, Research Unit on Brain Injury Rehabilitation, Rigshospitalet, Copenhagen, Denmark. 4. Division of Biostatistics, Department of Pharmacology and Experimental Therapeutics, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA. 5. Moss Rehabilitation Research Institute, Elkins Park, PA.
Abstract
OBJECTIVE: To determine the effects of inpatient and outpatient treatment intensity on functional and emotional well-being outcomes at 1 year after severe traumatic brain injury (TBI). DESIGN: Prospective, quasiexperimental study comparing outcomes in a U.S. TBI treatment center with those in a Denmark (DK) center providing significantly greater intensity and duration of rehabilitation. SETTING: Inpatient and outpatient TBI rehabilitation. PARTICIPANTS: Persons with severe TBI (N=274). INTERVENTIONS: Inpatient rehabilitation interventions were counted daily by discipline. Outpatient treatments were estimated per discipline using a structured interview administered to patients, caregivers, or both, at 12 months. MAIN OUTCOME MEASURES: FIM, Glasgow Outcome Scale-Extended, Disability Rating Scale, Participation Assessment with Recombined Tools-Objective, Perceived Quality of Life, Medical Outcomes Study 12-Item Short-Form Health Survey, Brief Symptom Inventory-18-item version. RESULTS: Despite identical inclusion criteria, patient severity on admission was greater at the DK site. After adjustment for patient/injury characteristics, there were no site differences in either functional or emotional outcome at 12 months. Significantly more inpatient plus outpatient treatment was administered to DK patients than to those in the U.S. For functional but not emotional treatments, more severely impaired patients received higher doses. One-year outcomes were predicted by admission severity, age, employment, and other baseline characteristics. CONCLUSIONS: Contrary to expectation, DK patients who received significantly more rehabilitation services during the year after severe TBI did not differ in outcome from their less intensively treated U.S. counterparts, after adjusting for initial severity. The negative association of functional treatment dose with extent of early disability suggests that dose was driven by unmeasured factors reflecting need for services. Improved measures of injury-related factors driving treatment allocation are needed to model the independent effects of treatment on outcomes. Copyright Â
OBJECTIVE: To determine the effects of inpatient and outpatient treatment intensity on functional and emotional well-being outcomes at 1 year after severe traumatic brain injury (TBI). DESIGN: Prospective, quasiexperimental study comparing outcomes in a U.S. TBI treatment center with those in a Denmark (DK) center providing significantly greater intensity and duration of rehabilitation. SETTING: Inpatient and outpatient TBI rehabilitation. PARTICIPANTS: Persons with severe TBI (N=274). INTERVENTIONS: Inpatient rehabilitation interventions were counted daily by discipline. Outpatient treatments were estimated per discipline using a structured interview administered to patients, caregivers, or both, at 12 months. MAIN OUTCOME MEASURES: FIM, Glasgow Outcome Scale-Extended, Disability Rating Scale, Participation Assessment with Recombined Tools-Objective, Perceived Quality of Life, Medical Outcomes Study 12-Item Short-Form Health Survey, Brief Symptom Inventory-18-item version. RESULTS: Despite identical inclusion criteria, patient severity on admission was greater at the DK site. After adjustment for patient/injury characteristics, there were no site differences in either functional or emotional outcome at 12 months. Significantly more inpatient plus outpatient treatment was administered to DK patients than to those in the U.S. For functional but not emotional treatments, more severely impaired patients received higher doses. One-year outcomes were predicted by admission severity, age, employment, and other baseline characteristics. CONCLUSIONS: Contrary to expectation, DK patients who received significantly more rehabilitation services during the year after severe TBI did not differ in outcome from their less intensively treated U.S. counterparts, after adjusting for initial severity. The negative association of functional treatment dose with extent of early disability suggests that dose was driven by unmeasured factors reflecting need for services. Improved measures of injury-related factors driving treatment allocation are needed to model the independent effects of treatment on outcomes. Copyright Â
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