Rasch Analysis of the Mayo-Portland Adaptability Inventory for Posthospital Brain Injury Rehabilitation.

OBJECTIVES: (1) Reexamine the item structure and reliability of the Mayo-Portland Adaptability Inventory (4th ed; MPAI-4) through Rasch analysis of admission and discharge scores for a large sample of adults with acquired brain injury (ABI) who participated in various types of posthospital brain injury rehabilitation (PHBIR) programs; (2) compare differential item functioning (DIF) for traumatic brain injury (TBI), stroke and other ABI; and (3) explore the viability of more specific subscales in addition to the established indices. SETTING: Data from Residential Neurobehavioral, Residential Neurorehabilitation, Home and Community, Day Treatment, and Outpatient rehabilitation programs serving individuals with ABI. PARTICIPANTS: A total of 2154 individuals with TBI, stroke, or other ABI. DESIGN: Retrospective analysis of de-identified admission and discharge data from the Foundation to Advance Brain Rehabilitation (FABR) consortium database. MAIN MEASURE: MPAI-4. RESULTS: After adjusting 4 misfitting items and eliminating 20 misfitting persons, the MPAI-4 demonstrated real person reliability/separation = 0.93/3.52 and real item reliability/separation = 1.00/24.02. Independent Rasch analyses by diagnostic category found similar reliabilities and separations. Residual item correlations and principal component analysis of residuals (PCAR) indicated areas of local dependence arranged hierarchically reflecting the full-scale item hierarchy and providing the basis for 3 new subscales of Physical Abilities, Cognitive Abilities, and Autonomy. DIF across diagnostic categories revealed differences in item elevations characteristic of typical patients in each category. Measure means and SDs were very similar across categories. CONCLUSIONS: MPAI-4 items demonstrate very good person and item reliabilities for individuals with TBI, stroke, and other ABI at a level that supports individual evaluation. Variations in item calibrations across diagnostic categories reflect the differential characteristics of typical patients within categories. The entire measure provides an overall assessment of common sequalae of ABI, and standard indices used in combination with newly derived subscales provide more specific assessments of rehabilitation needs for treatment planning.

Outcomes of Six Specific Types of Post-Hospital Brain Injury Rehabilitation Programs.

OBJECTIVE: Evaluate outcomes of intensive posthospital brain injury rehabilitation programs compared to supported living (SL) programs; explore variations in outcome by diagnostic category (traumatic brain injury, stroke, and other acquired brain injury [ABI]) and specific program type. SETTING: Data were obtained from Residential Neurobehavioral, Residential Neurorehabilitation, Home and Community Neurorehabilitation, Day Treatment, Outpatient Neurorehabilitation, and SL programs serving individuals with ABI. PARTICIPANTS: A total of 2120 individuals with traumatic brain injury, stroke, or other ABI participated in this study. MAIN MEASURES: The main measures are sex, age, time since injury, and Mayo-Portland Adaptability Inventory (4th edition; MPAI-4). DESIGN: Retrospective analyses of demographic variables and MPAI-4 Total, index, and subscale Rasch-derived T-scores on admission and discharge. RESULTS: Gains on MPAI-4  Total T-scores were significantly greater for the intensive rehabilitation (IR) group in comparison to stable functioning in the SL group (F = 236.69, P < .001, partial η2 = .101) while controlling for admission/time 1 scores; similar results were found for MPAI-4 indices and subscales. For the IR cohort, discharge scores differed by diagnostic category after controlling for admission scores for the Total MPAI-4 T-score (F = 22.65, P < .001, partial η2 = .025), as well as all indices and subscales. A statistically significant interaction between program type and diagnostic group on discharge MPAI-4 Total T-scores (F = 2.55, P = .018, partial η2 = .01) after controlling for admission scores indicated that differing outcomes across diagnoses also varied by program type. Varying significant main effects and interactions were apparent for MPAI-4 indices and subscales with generally small effect sizes. CONCLUSIONS: Significant gains on MPAI-4 variables across IR program types compared to no change over a comparable period of time for SL programs supports the effectiveness of posthospital brain injury rehabilitation. This finding in the presence of small effect sizes on outcome variables for program type and for significant interactions between program type and diagnostic category suggests that participants generally were appropriately matched to program type and benefited from interventions provided through specific program types.

Distinguishing Characteristics of Admissions to Various Types of Posthospital Brain Injury Rehabilitation Programs.

OBJECTIVE: Describe and compare the demographic characteristics and disability profiles of individuals admitted to 6 types of posthospital brain injury rehabilitation (PHBIR) programs. SETTING: Data from Residential Neurobehavioral, Residential Neurorehabilitation, Home and Community Neurorehabilitation, Day Treatment, Outpatient Neurorehabilitation, and Supported Living programs serving individuals with acquired brain injury (ABI). PARTICIPANTS: Two thousand twenty-eight individuals with traumatic brain injury (TBI), stroke, or other ABI. MAIN MEASURES: Sex, age, time since injury, and Mayo-Portland Adaptability Inventory, 4th edition (MPAI-4). DESIGN: Retrospective analyses of demographic variables and MPAI-4 Total, Index, and subscale Rasch-derived T-scores on admission comparing diagnostic categories and program types within diagnostic categories. RESULTS: Participants with TBI were predominantly male, and those with stroke were generally older. Admissions to more intensive and supervised programs (residential neurobehavioral and residential neurorehabilitation) generally showed greater disability than admissions to home and community programs who were more disabled than participants in day treatment and outpatient programs. Residential neurobehavioral and supported living program participants generally were male and had TBI. Home and community admissions tended to be more delayed than residential neurorehabilitation admissions. The majority of those with other ABI were admitted to outpatient rather than more intensive programs. Additional analyses demonstrated significant differences in MPAI-4 profiles among the various program types. CONCLUSIONS: Admissions with TBI, stroke, and other ABI to PHBIR differ in demographic factors and disability profiles. When examined within each diagnostic category, demographic features and disability profiles also distinguish among admissions to the various program types. Results provide insights about decision-making in referral patterns to various types of PHBIR programs, although other factors not available for analysis (eg, participant/family preference, program, and funding availability) likely also contribute to admission patterns.

An Observational Cohort Study of the Role of Level of Effort in Post-Acute Brain Injury Rehabilitation.

OBJECTIVE: To investigate the role of participant level of effort (LoE) on outcome in post-acute brain injury rehabilitation with the hypothesis that greater effort is associated with more positive outcomes. DESIGN: Observational cohort study. SETTING: Comprehensive integrated rehabilitation program for brain injury within a skilled nursing facility. PARTICIPANTS: Consecutive admissions with acquired brain injury (N=101). INTERVENTIONS: Individualized interdisciplinary brain injury rehabilitation; therapist rating of participant LoE with Acquired Brain Injury LoE Scale (ABI-LoES) during physical therapy, occupational therapy, and speech and language pathology sessions. MAIN OUTCOME MEASURES: Mayo-Portland Adaptability Inventory, fourth edition (MPAI-4); Supervision Rating Scale (SRS). RESULTS: Linear regression showed that discharge MPAI-4 Total T scores were significantly associated with mean ABI-LoES rating, admission MPAI-4 Total T scores, age at admission, and days from injury but not with standard deviation of ABI-LoES rating, sex, injury type, length of stay, or treatment before or during the COVID-19 pandemic. Discharge SRS scores were significantly associated with mean ABI-LoES rating, admission SRS scores, and age. A 1-unit increase in mean ABI-LoES rating was associated with 5.1-unit lower discharge MPAI-4 Total T scores and 1.5 lower discharge SRS scores, after controlling for other variables. Logistic regression showed that the odds of achieving a minimal clinically important difference on the MPAI-4 were 8.34 times higher with each 1-unit increase in mean ABI-LoES rating after controlling for other variables. Admission MPAI-4 was negatively associated with mean ABI-LoES rating (ß=-0.07, t=-8.85, P<.0001). CONCLUSIONS: After controlling for nonmodifiable variables, average ABI-LoES rating is positively associated with outcome. Initial level of disability is negatively associated with mean ABI-LoES rating.

Response to the COVID-19 Pandemic Among Posthospital Brain Injury Rehabilitation Providers.

Rehabilitation after significant acquired brain injury (ABI) to address complex independent activities of daily living and return to family and community life is offered primarily after initial hospitalization in outpatient day treatment, group home, skilled nursing, and residential settings and in the home and community of the person served. The coronavirus 2019 pandemic threatened access to care and the health and safety of staff, persons served, and families in these settings. This article describes steps taken to contain this threat by 7 leading posthospital ABI rehabilitation organizations. Outpatient and day treatment facilities were temporarily suspended. In other settings, procedures for isolation, transportation, cleaning, exposure control, infection control, and use of personal protective equipment (PPE) were reinforced with staff. Visitation and community activities were restricted. Staff and others required to enter facilities were screened with symptom checklists and temperature checks. Individuals showing symptoms of infection were quarantined and tested, as possible. New admissions were carefully screened for infection and often initially quarantined. Telehealth played a major role in reducing direct interpersonal contact while continuing to provide services both to outpatients and within facilities. Salary, benefits, training, and managerial support were enhanced for staff. Despite early outbreaks, these procedures were generally effective, with preliminary initial infections rates of only 1.1% for persons served and 2.1% for staff. Reductions in admissions, services, and unanticipated expenses (eg, PPE, more frequent and thorough cleaning) had a major negative financial effect. Providers continue to be challenged to adapt rehabilitative approaches and to reopen services.

A Standard Method for Determining the Minimal Clinically Important Difference for Rehabilitation Measures.

The minimal clinically important difference (MCID) is receiving increasing interest and importance in medical practice and research. The MCID is the smallest improvement in scores in the domain of interest that patients perceive as beneficial. In clinical trials, comparing the proportion of individuals between treatment and control groups who obtain a MCID may be more informative than comparisons of mean change between groups because a statistically significant mean difference does not necessarily represent a difference that is perceived as meaningful by treatment recipients. The MCID may also be useful in advancing personalized medicine by characterizing those who are most likely to benefit from a treatment. In clinical practice, the MCID can be used to identify if a participant is experiencing a meaningful change in status. A variety of methods have been used to determine the MCID with no clear agreement on the most appropriate approach. Two major sets of methods are either (1) distribution-based, that is, referencing the MCID to a measure of variability or effect size in the measure of interest or (2) anchor-based, that is, referencing the MCID to an external assessment of change in the condition, ability, or activity represented by the measure of interest. In prior literature, using multiple methods to "triangulate" on the value of the MCID has been proposed. In this commentary, we describe a systematic approach to triangulate on the MCID using both distribution-based and anchor-based methods. Adaptation of a systematic approach for obtaining the MCID in rehabilitation would facilitate communication and comparison of results among rehabilitation researchers and providers.

Evidence-Based Cognitive Rehabilitation: Systematic Review of the Literature From 2009 Through 2014.

OBJECTIVES: To conduct an updated, systematic review of the clinical literature, classify studies based on the strength of research design, and derive consensual, evidence-based clinical recommendations for cognitive rehabilitation of people with traumatic brain injury (TBI) or stroke. DATA SOURCES: Online PubMed and print journal searches identified citations for 250 articles published from 2009 through 2014. STUDY SELECTION: Selected for inclusion were 186 articles after initial screening. Fifty articles were initially excluded (24 focusing on patients without neurologic diagnoses, pediatric patients, or other patients with neurologic diagnoses, 10 noncognitive interventions, 13 descriptive protocols or studies, 3 nontreatment studies). Fifteen articles were excluded after complete review (1 other neurologic diagnosis, 2 nontreatment studies, 1 qualitative study, 4 descriptive articles, 7 secondary analyses). 121 studies were fully reviewed. DATA EXTRACTION: Articles were reviewed by the Cognitive Rehabilitation Task Force (CRTF) members according to specific criteria for study design and quality, and classified as providing class I, class II, or class III evidence. Articles were assigned to 1 of 6 possible categories (based on interventions for attention, vision and neglect, language and communication skills, memory, executive function, or comprehensive-integrated interventions). DATA SYNTHESIS: Of 121 studies, 41 were rated as class I, 3 as class Ia, 14 as class II, and 63 as class III. Recommendations were derived by CRTF consensus from the relative strengths of the evidence, based on the decision rules applied in prior reviews. CONCLUSIONS: CRTF has now evaluated 491 articles (109 class I or Ia, 68 class II, and 314 class III) and makes 29 recommendations for evidence-based practice of cognitive rehabilitation (9 Practice Standards, 9 Practice Guidelines, 11 Practice Options). Evidence supports Practice Standards for (1) attention deficits after TBI or stroke; (2) visual scanning for neglect after right-hemisphere stroke; (3) compensatory strategies for mild memory deficits; (4) language deficits after left-hemisphere stroke; (5) social-communication deficits after TBI; (6) metacognitive strategy training for deficits in executive functioning; and (7) comprehensive-holistic neuropsychological rehabilitation to reduce cognitive and functional disability after TBI or stroke.

Polytrauma Transitional Rehabilitation in the Veterans Administration: Implementing the Principles of Person-Centered, Participation-Oriented Rehabilitation.

OBJECTIVE: To review principles of person-centered, participation-oriented (PCPO) rehabilitation and introduce their implementation in Veterans Administration (VA) Polytrauma Transitional Rehabilitation Programs (PTRPs). BACKGROUND: Post-hospital rehabilitation for individuals with acquired brain injury (ABI) has evolved toward PCPO rehabilitation, an approach that makes participation goals identified by the person served and his or her significant others the primary focus of rehabilitation. Goals to reduce impairments and increase activities contribute to the achievement of primary participation goals. Research, primarily in the nonveteran population, confirms the effectiveness of PCPO rehabilitation. OVERVIEW: In the civilian sector, PCPO programs are generally provided locally or regionally in outpatient or community settings to individuals with moderate-severe ABI associated with other traumatic injuries and comorbidities. Because of the geographical dispersion of veterans, the VA provides these services in residential centers serving larger geographical areas. The group of veterans served more often has sustained milder traumatic ABI associated with neuropsychiatric comorbidities, particularly posttraumatic stress disorder and depression. Measuring progress and outcome is important to establish a feedback loop for process improvement. VA PTRPs use state-of-the-science standardized outcome measures and methods for identifying successful cases, that is, the minimal clinically important difference. Vocational reintegration is an important element of PCPO rehabilitation. Articles in this special section detail the development and effectiveness of PTRPs.

Longitudinal Effects of Medical Comorbidities on Functional Outcome and Life Satisfaction After Traumatic Brain Injury: An Individual Growth Curve Analysis of NIDILRR Traumatic Brain Injury Model System Data.

OBJECTIVE: To explore associations of specific physical and neuropsychiatric medical conditions to motor and cognitive functioning and life satisfaction over the first 10 years following traumatic brain injury (TBI). SETTING: Telephone follow-up through 6 TBI Model System centers. PARTICIPANTS: In total, 404 individuals or proxies with TBI enrolled in the TBI Model System longitudinal study participating in 10-year follow-up. DESIGN: Individual growth curve analysis. MAIN MEASURES: FIM Motor and Cognitive subscales, Satisfaction With Life Scales, and Medical and Mental Health Comorbidities Interview. RESULTS: Hypertension, diabetes, cancers, rheumatoid arthritis, and anxiety negatively affected the trajectory of motor functioning over time. Diabetes, cancers, chronic bronchitis, anxiety, and depression negatively impacted cognitive functioning. Numerous neuropsychiatric conditions (sleep disorder, alcoholism, drug addiction, anxiety, panic attacks, posttraumatic stress disorder, depression, and bipolar disorder), as well as hypertension, liver disease, and cancers, diminished life satisfaction. Other medical conditions had a negative effect on functioning and satisfaction at specific follow-up periods. CONCLUSION: Natural recovery after TBI may include delayed onset of functional decline or early recovery, followed by progressive deterioration, and is negatively affected by medical comorbidities. Results contribute to the growing evidence that TBI is most appropriately treated as a chronic medical condition complicated by a variety of comorbid conditions.

Prevalence of Medical and Psychiatric Comorbidities Following Traumatic Brain Injury.

OBJECTIVE: To examine the prevalence of selected medical and psychiatric comorbidities that existed prior to or up to 10 years following traumatic brain injury (TBI) requiring acute rehabilitation. DESIGN: Retrospective cohort. SETTING: Six TBI Model Systems (TBIMS) centers. PARTICIPANTS: In total, 404 participants in the TBIMS National Database who experienced TBI 10 years prior. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE: Self-reported medical and psychiatric comorbidities and the onset time of each endorsed comorbidity. RESULTS: At 10 years postinjury, the most common comorbidities developing postinjury, in order, were back pain, depression, hypertension, anxiety, fractures, high blood cholesterol, sleep disorders, panic attacks, osteoarthritis, and diabetes. Comparing those 50 years and older to those younger than 50 years, diabetes (odds ratio [OR] = 3.54; P = .0016), high blood cholesterol (OR = 2.04; P = .0092), osteoarthritis (OR = 2.02; P = .0454), and hypertension (OR = 1.84; P = .0175) were significantly more prevalent in the older cohort while panic attacks (OR = 0.33; P = .0022) were significantly more prevalent in the younger cohort. No significant differences in prevalence rates between the older and younger cohorts were found for back pain, depression, anxiety, fractures, or sleep disorders. CONCLUSIONS: People with moderate-severe TBI experience other medical and mental health comorbidities during the long-term course of recovery and life after injury. The findings can inform further investigation into comorbidities associated with TBI and the role of medical care, surveillance, prevention, lifestyle, and healthy behaviors in potentially modifying their presence and/or prevalence over the life span.

Minimal Clinically Important Difference for the Rasch Neuropsychiatric Inventory Irritability and Aggression Scale for Traumatic Brain Injury.

OBJECTIVE: To determine the minimal clinically important difference (MCID) for a Rasch measure derived from the Irritability/Lability and Agitation/Aggression subscales of the Neuropsychiatric Inventory (NPI)-the Rasch NPI Irritability and Aggression Scale for Traumatic Brain Injury (NPI-TBI-IA). DESIGN: Distribution-based statistical methods were applied to retrospective data to determine candidates for the MCID. These candidates were evaluated by anchoring the NPI-TBI-IA to Global Impression of Change (GIC) ratings by participants, significant others, and a supervising physician. SETTING: Postacute rehabilitation outpatient clinic. PARTICIPANTS: 274 cases with observer ratings; 232 cases with self-ratings by participants with moderate-severe TBI at least 6 months postinjury. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE: NPI-TBI-IA. RESULTS: For observer ratings on the NPI-TBI-IA, anchored comparisons found an improvement of 0.5 SD was associated with at least minimal general improvement on GIC by a significant majority (69%-80%); 0.5 SD improvement on participant NPI-TBI-IA self-ratings was also associated with at least minimal improvement on the GIC by a substantial majority (77%-83%). The percentage indicating significant global improvement did not increase markedly on most ratings at higher levels of improvement on the NPI-TBI-IA. CONCLUSIONS: A 0.5 SD improvement on the NPI-TBI-IA indicates the MCID for both observer and participant ratings on this measure.

Rasch Analysis, Dimensionality, and Scoring of the Neuropsychiatric Inventory Irritability and Aggression Subscales in Individuals With Traumatic Brain Injury.

OBJECTIVES: To develop, for versions completed by individuals with traumatic brain injury (TBI) and an observer, a more precise metric for the Neuropsychiatric Inventory (NPI) Irritability and Aggression subscales using all behavioral item ratings for use with individuals with TBI and to address the dimensionality of the represented behavioral domains. DESIGN: Rasch and confirmatory factor analyses of retrospective baseline NPI data from 3 treatment studies. SETTING: Postacute rehabilitation clinic. PARTICIPANTS: NPI records (N = 525) consisting of observer ratings (n = 287) and self-ratings (n = 238) by participants with complicated mild, moderate, or severe TBI at least 6 months postinjury. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Frequency and severity ratings from NPI Irritability/Lability and Agitation/Aggression subscales. RESULTS: Confirmatory factor analyses of both observer and participant ratings showed good fit for either a 1-factor or a 2-factor solution. Consistent with this, the Rasch model also fit the data well with aggression items indicating the more severe end of the construct and irritability items populating the milder end. CONCLUSIONS: Irritability and aggression appear to represent different levels of severity of a single construct. The derived Rasch metric offers a measure of this construct based on responses to all specific items that is appropriate for parametric statistical analysis and may be useful in research and clinical assessments of individuals with TBI.

The Minimal Clinically Important Difference for the Mayo-Portland Adaptability Inventory.

OBJECTIVES: To determine the Minimal Clinically Important Difference (MCID) and Robust Clinically Important Difference (RCID) of the Mayo-Portland Adaptability Inventory-4 (MPAI-4) as measures of response to intervention. METHODS: Retrospective analysis of existing data. Both distribution- and anchor-based methods were used to triangulate on the MCID and to identify a moderate, that is, more robust, level of change (RCID) for the MPAI-4. These were further evaluated with respect to clinical provider ratings. PARTICIPANTS: Data for individuals with acquired brain injury in rehabilitation programs throughout the United States in the OutcomeInfo Database (n = 3087) with 2 MPAI-4 ratings. MAIN MEASURES: MPAI-4, Supervision Rating Scale, Clinician Rating of Global Clinical Improvement. RESULTS: Initial analyses suggested 5 T-score points (5T) as the MCID and 9T as the RCID. Eighty-one percent to 87% of clinical raters considered a 5T change and 99% considered a 9T change to indicate meaningful improvement. CONCLUSIONS: 5T represents the MCID for the MPAI-4 and 9T, the RCID. Both values are notably less than the Reliable Change Index (RCI). While the RCI indicates change with a high level of statistical confidence, it may be insensitive to change that is considered meaningful by providers and participants as indicated by the MCID.

Negative Attribution Bias and Anger After Traumatic Brain Injury.

OBJECTIVES: Negative attributions pertain to judgments of intent, hostility, and blame regarding others' behaviors. This study compared negative attributions made by people with and without traumatic brain injury (TBI) and examined the degree to which these negative attributions predicted angry ratings in response to situations. SETTING: Outpatient rehabilitation hospital. PARTICIPANTS: Forty-six adults with moderate to severe TBI and 49 healthy controls. DESIGN: Cross-sectional study using a quasi-experimental research design. MAIN MEASURES: In response to hypothetical scenarios, participants rated how irritated and angry they would be, and how intentional, hostile, and blameworthy they perceived characters' behaviors. There were 3 scenario types differentiated by the portrayal of characters' actions: benign, ambiguous, or hostile. All scenarios theoretically resulted in unpleasant outcomes for participants. RESULTS: Participants with TBI had significantly higher ratings for feeling "irritated" and "angry" and attributions of "intent," "hostility," and "blame" compared with healthy controls for all scenario types. Negative attribution ratings accounted for 72.4% and 65.3% of the anger rating variance for participants with and without TBI, respectively. CONCLUSION: People with TBI may have negative attribution bias, in which they disproportionately judge the intent, hostility, and blameworthiness of others' behaviors. These attributions contributed to their ratings of feeling angry. This suggests that participants with TBI who have anger problems should be evaluated for this bias, and anger treatments should possibly aim to alter negative attributions. However, before implementing clinical practice changes, there is a need for replication with larger samples, and further investigation of the characteristics associated with negative attribution bias.

The Relations of Self-Reported Aggression to Alexithymia, Depression, and Anxiety After Traumatic Brain Injury.

OBJECTIVES: To compare self-reported aggression in people with and without traumatic brain injury (TBI) and examine the relations of aggression to alexithymia (poor emotional insight), depression, and anxiety. SETTING: Rehabilitation hospital. PARTICIPANTS: Forty-six adults with moderate to severe TBI who were at least 3 months postinjury; 49 healthy controls (HCs); groups were frequency matched for age and gender. DESIGN: Cross-sectional study using a quasi-experimental design. MAIN MEASURES: Aggression (Buss-Perry Aggression Questionnaire); alexithymia (Toronto Alexithymia Scale-20); depression (Patient Health Questionnaire-9); and trait anxiety (State-Trait Anxiety Inventory). RESULTS: Participants with TBI had significantly higher aggression scores than HCs. For participants with TBI, 34.2% of the adjusted variance of aggression was significantly explained by alexithymia, depression, and anxiety; alexithymia accounted for the largest unique portion of the variance in this model (16.2%). Alexithymia, depression, and anxiety explained 46% of the adjusted variance of aggression in HCs; in contrast to participants with TBI, depression was the largest unique contributor to aggression (15.9%). CONCLUSION: This was the first empirical study showing that poor emotional insight (alexithymia) significantly contributes to aggression after TBI. This relation, and the potential clinical implications it may have for the treatment of aggression, warrants further investigation.

Reductions in Alexithymia and Emotion Dysregulation After Training Emotional Self-Awareness Following Traumatic Brain Injury: A Phase I Trial.

OBJECTIVES: To examine the acceptability and initial efficacy of an emotional self-awareness treatment at reducing alexithymia and emotion dysregulation in participants with traumatic brain injury (TBI). SETTING: An outpatient rehabilitation hospital. PARTICIPANTS: Seventeen adults with moderate to severe TBI and alexithymia. Time postinjury ranged 1 to 33 years. DESIGN: Within subject design, with 3 assessment times: baseline, posttest, and 2-month follow-up. INTERVENTION: Eight lessons incorporated psychoeducational information and skill-building exercises teaching emotional vocabulary, labeling, and differentiating self-emotions; interoceptive awareness; and distinguishing emotions from thoughts, actions, and sensations. MEASURES: Toronto Alexithymia Scale-20 (TAS-20); Levels of Emotional Awareness Scale (LEAS); Trait Anxiety Inventory (TAI); Patient Health Questionnaire-9 (PHQ-9); State-Trait Anger Expression Inventory (STAXI); Difficulty With Emotion Regulation Scale (DERS); and Positive and Negative Affect Scale (PANAS). RESULTS: Thirteen participants completed the treatment. Repeated-measures analysis of variance revealed changes on the TAS-20 (P = .003), LEAS (P < .001), TAI (P = .014), STAXI (P = .015), DERS (P = .020), and positive affect (P < .005). Paired t tests indicated significant baseline to posttest improvements on these measures. Gains were maintained at follow-up for the TAS, LEAS, and positive affect. Treatment satisfaction was high. CONCLUSION: This is the first study published on treating alexithymia post-TBI. Positive changes were identified for emotional self-awareness and emotion regulation; some changes were maintained several months posttreatment. Findings justify advancing to the next investigational phase for this novel intervention.

Potential Impact of Amantadine on Aggression in Chronic Traumatic Brain Injury.

OBJECTIVE: To assess the effects of amantadine on anger and aggression among individuals with a chronic traumatic brain injury (TBI). METHODS: A cohort of 118 persons with chronic TBI (>6 months postinjury) and moderate-severe aggression selected from a larger cohort of 168 participants enrolled in a parallel-group, randomized, double-blind, placebo-controlled trial of amantadine 100 mg twice daily (n = 82) versus placebo (n = 86) for treatment of irritability were studied. Anger and aggression were measured at treatment days 0, 28, and 60 using observer-rated and participant-rated State-Trait Anger Expression Inventory-2 (STAXI-2) and Neuropsychiatric Inventory-Agitation/Aggression domain (NPI-A) Most Problematic and Distress scores. RESULTS: Participant-rated day 60 NPI-A Most Problematic (adjusted P = .0118) and NPI-A Distress (adjusted P = .0118) were statistically significant between the 2 groups, but STAXI-2 differences were not significant after adjustment for multiple comparisons. Substantial improvements were noted in both amantadine and placebo groups (70% vs 56% improving at least 3 points on day 60 Observer NPI-A; P = .11). CONCLUSION: Amantadine 100 mg twice daily in this population with chronic TBI appears to be beneficial in decreasing aggression from the perspective of the individual with TBI. No beneficial impact on anger was found. TRIAL REGISTRATION: clinicaltrials.gov Identifier: NCT00779324; http://www.clinicaltrials.gov/ct2/show/NCT00779324?term=irritability&rank=6.

Impact of TBI on caregivers of veterans with TBI: Burden and interventions.

OBJECTIVES: Describe State-of-the-Art in practice and research in caregiving with individuals, specifically, Veterans with traumatic brain injury (TBI) and the implications for current practice and future research. SOURCES: Professional literature and personal experience of review panel. MAIN OUTCOMES: Unpaid caregiving for individuals with TBI is most often provided by a spouse, parent or other blood relative; the majority of caregivers are women. Although caregiving can be rewarding, it also may create financial burden and psychological stress. Depression among family caregivers occurs four times more frequently than in the general population. Positive coping can help reduce the impact of stress, and Department of Veterans Affairs (VA) programmes are available to ease financial burden. Group interventions show promise in reinforcing and improving positive coping for both family caregivers and Veterans with TBI. CONCLUSIONS: Identifying the specific needs of caregivers and families of Veterans with TBI and other traumatic injuries, including post-traumatic stress syndrome (PTSD), will require further longitudinal research. Currently available group interventions and programmes appear to benefit injured Veterans and their family caregivers financially and psychologically. Increased understanding of characteristics of quality family caregiving and its long term costs and benefits is likely to lead to additional improvements in these interventions and programmes.