RESUMEN
Psychopathology, including depression, anxiety, and post-traumatic stress, is a significant yet inadequately addressed feature of moderate-severe traumatic brain injury (TBI). Progress in understanding and treating post-TBI psychopathology may be hindered by limitations associated with conventional diagnostic approaches, specifically the Diagnostic and Statistical Manual of Mental Disorders (DSM) and International Classification of Diseases (ICD). The Hierarchical Taxonomy of Psychopathology (HiTOP) offers a promising, transdiagnostic alternative to psychiatric classification that may more effectively capture the experiences of individuals with TBI. However, HiTOP lacks validation in the TBI population. To address this gap, we administered a comprehensive questionnaire battery, including 56 scales assessing homogeneous symptom components and maladaptive traits within HiTOP, to 410 individuals with moderate-severe TBI. We evaluated the reliability and unidimensionality of each scale and revised those with psychometric problems. Using a top-down, exploratory latent variable approach (bass-ackwards modeling), we subsequently constructed a hierarchical model of psychopathological dimensions tailored to TBI. The results showed that, relative to norms, participants with moderate-severe TBI experienced greater problems in the established HiTOP internalizing and detachment spectra, but fewer problems with thought disorder and antagonism. Fourteen of the 56 scales demonstrated psychometric problems, which often appeared reflective of the TBI experience and associated disability. The Hierarchical Taxonomy of Psychopathology Following Traumatic Brain Injury (HiTOP-TBI) model encompassed broad internalizing and externalizing spectra, splitting into seven narrower dimensions: Detachment, Dysregulated Negative Emotionality, Somatic Symptoms, Compensatory and Phobic Reactions, Self-Harm and Psychoticism, Rigid Constraint, and Harmful Substance Use. This study presents the most comprehensive empirical classification of psychopathology after TBI to date. It introduces a novel, TBI-specific transdiagnostic questionnaire battery and model, which addresses the limitations of conventional DSM and ICD diagnoses. The empirical structure of psychopathology after TBI largely aligned with the established HiTOP model (e.g., a detachment spectrum). However, these constructs need to be interpreted in relation to the unique experiences associated with TBI (e.g., considering the injury's impact on the person's social functioning). By overcoming the limitations of conventional diagnostic approaches, the HiTOP-TBI model has the potential to accelerate our understanding of the causes, correlates, consequences, and treatment of psychopathology after TBI.
RESUMEN
Background Although individuals with acquired brain injury (ABI) may be vulnerable to cyberscams, the lack of existing measures documenting cybersafety behaviours in people with ABI limits our understanding of ABI-specific risk factors, the frequency of this problem, and the ability to evaluate evidence-based interventions. The CyberABIlity Scale was developed to assess vulnerability in people with ABI via self-rated statements and practical scam-identification tasks. This study aimed to develop and refine The CyberABIlity Scale through feedback from clinicians and people with ABI. Methods Scale feedback was collected via three rounds of clinician surveys (n = 14) using Delphi methods and two rounds of cognitive interviews with participants with ABI (n = 8). Following each round, feedback was quantitatively and qualitatively summarised, and revisions were made accordingly. Results Key revisions included removing 12 items deemed irrelevant. Instructions and rating scales were revised to improve clarity. Cognitive interviews identified 15 comprehension errors, with further revisions made to support response clarity for participants with ABI. Clinicians and participants with ABI endorsed the content and face validities of The CyberABIlity Scale . Conclusions Following further validation, The CyberABIlity Scale has the potential to be an effective screening measure for online vulnerability for people with ABI within clinical and research settings.
Asunto(s)
Lesiones Encefálicas , Humanos , Lesiones Encefálicas/diagnóstico , Encuestas y Cuestionarios , Reproducibilidad de los Resultados , CogniciónRESUMEN
Background Challenging behaviours are often a significant difficulty faced following acquired brain injury (ABI), for which PBS+PLUS (a Positive Behaviour Support framework) is an effective intervention. Clinicians report experiencing a range of barriers to supporting behaviour change for individuals with ABI and require tailored resources to support the implementation of PBS+PLUS. This study aimed to describe the process of co-designing a PBS+PLUS intervention guidebook and podcast series together with individuals with ABI, close-others, and clinicians, and qualitatively examine co-design experiences. Methods The Knowledge-To-Action Framework was followed to support the translation of PBS+PLUS into clinical practice. Participants with ABI (n = 4), close-others (n = 7), and clinicians (n = 3) participated in focus groups contributing to the development of a PBS+PLUS intervention guidebook and podcast series. Following completion of the groups, qualitative interviews were conducted to understand participants' perspectives of the co-design experience. Transcripts were analysed using reflexive thematic analysis. Results Co-design processes are described, and participants provided practical suggestions for co-design and the dissemination of developed resources. Two core themes encapsulating four sub-themes were identified. Firstly, 'Esteeming Experiences ' described the person-driven approach of co-design whereby participants felt supported and connected with other contributors and facilitators through sharing their perspectives. Secondly, 'Empowerment ' reflected participants' increased confidence and skills in applying PBS+PLUS. Conclusions Overall, participants endorsed the therapeutic benefits of co-design engagement and high utility of PBS+PLUS resources. This study adds to the growing literature supporting the use of co-design methodology within clinical implementation, and is inclusive of individuals with ABI, close-others, and clinicians.
Asunto(s)
Lesiones Encefálicas , Humanos , Investigación Cualitativa , Grupos FocalesRESUMEN
BACKGROUND: People with acquired brain injury (ABI) may be more susceptible to scams owing to postinjury cognitive and psychosocial consequences. Cyberscams result in financial loss and debilitating psychological impacts such as shame and mistrust, interference with neurorehabilitation, and reduced independence. Despite these significant consequences, there are no psychological treatments to support cyberscam survivors. There is limited evidence regarding how the current workforce is addressing post-ABI cyberscams. OBJECTIVE: This study aims to understand the perspectives and needs of clinicians and service providers in addressing post-ABI cyberscams. METHODS: Overall, 20 multidisciplinary clinicians and service providers were recruited through purposive sampling across Australia. Semistructured interviews explored post-ABI scam experiences and vulnerabilities, treatments and their efficacy, and recommendations for future cybersafety recovery interventions. Reflexive thematic analysis was used. RESULTS: In total, 8 themes encompassing a biopsychosocial understanding of scam vulnerabilities and impacts were identified: "genuine lack of awareness: cognitive-executive difficulties"; "not coping with the loss of it all"; "needing trust and connection"; "strong reactions of trusted others"; "nothing structured to do"; "financial stress and independence"; "cyberability"; and "scammer persuasion." Each theme informed clinical recommendations including the need to provide psychological and cognitive support, enhance financial and cybersafety skills, promote meaningful social engagement, and foster collaboration between families and clinical support teams. CONCLUSIONS: The multifaceted range of scam vulnerabilities and impacts highlighted the need for individualized, comprehensive, and targeted treatments using a biopsychosocial approach to enable cyberscam recovery among people with ABI. These findings will guide the development of a co-designed intervention.
Asunto(s)
Lesiones Encefálicas , Humanos , Australia , Lesiones Encefálicas/terapia , Habilidades de Afrontamiento , Estrés Financiero , Estudios InterdisciplinariosRESUMEN
We used network analysis to explore interrelationships between anxiety and depressive symptoms after traumatic brain injury (TBI). At one year post-injury, 882 adult civilians who received inpatient rehabilitation for moderate-severe TBI self-reported anxiety and depressive symptoms (Hospital Anxiety and Depression Scale). The severity of TBI was characterized acutely by the duration of post-traumatic amnesia (PTA), and TBI-related functional disability was rated by an examiner at one year post-injury using a structured interview (Glasgow Outcome Scale - Extended). We estimated two cross-sectional, partial correlation networks. In the first network, anxiety and depressive symptoms were densely interconnected yet formed three distinct, data-driven communities: Hyperarousal, Depression, and General Distress. Worrying thoughts and having difficulty relaxing were amongst the most central symptoms, showing strong connections with other symptoms within and between communities. In the second network, TBI severity was directly negatively associated with hyperarousal symptoms but indirectly positively associated with depressive symptoms via greater functional disability. The results highlight the potential utility of simultaneous, transdiagnostic assessment and treatment of anxiety and depressive symptoms after moderate-severe TBI. Worrying thoughts, having difficulty relaxing, and the experience of disability may be important targets for treatment, although future studies examining symptom dynamics within individuals and over time are required.
Asunto(s)
Lesiones Traumáticas del Encéfalo , Depresión , Adulto , Humanos , Depresión/complicaciones , Estudios Transversales , Lesiones Traumáticas del Encéfalo/complicaciones , Lesiones Traumáticas del Encéfalo/diagnóstico , Trastornos de Ansiedad/etiología , Trastornos de Ansiedad/complicaciones , Ansiedad/etiologíaRESUMEN
Anxiety and depression symptoms are commonly experienced after traumatic brain injury (TBI). However, studies validating measures of anxiety and depression for this population are scarce. Using novel indices derived from symmetrical bifactor modeling, we evaluated whether the Hospital Anxiety and Depression Scale (HADS) reliably differentiated anxiety and depression in 874 adults with moderate-severe TBI. The results showed that there was a dominant general distress factor accounting for 84% of the systematic variance in HADS total scores. The specific anxiety and depression factors accounted for little residual variance in the respective subscale scores (12% and 20%, respectively), and overall, minimal bias was found in using the HADS as a unidimensional measure. Further, in a subsample of 184 participants, the HADS subscales did not clearly discriminate between formal anxiety and depressive disorders diagnosed via clinical interview. Results were consistent when accounting for degree of disability, non-English speaking background, and time post-injury. In conclusion, variance in HADS scores after TBI predominately reflects a single underlying latent variable. Clinicians and researchers should exercise caution in interpreting the individual HADS subscales and instead consider using the total score as a more valid, transdiagnostic measure of general distress in individuals with TBI.
Asunto(s)
Lesiones Traumáticas del Encéfalo , Depresión , Adulto , Humanos , Depresión/diagnóstico , Depresión/epidemiología , Ansiedad/diagnóstico , Trastornos de Ansiedad/diagnóstico , Lesiones Traumáticas del Encéfalo/diagnóstico , Hospitales , PsicometríaRESUMEN
OBJECTIVE: To characterize trajectories of emotional distress across the first decade after moderate-severe traumatic brain injury (TBI) and explore relations with personal and injury-related factors. DESIGN: Cohort study with follow-ups at 1, 2, 3, 5, and 10 years post-injury. SETTING: Community. PARTICIPANTS: Participants were sampled from a larger longitudinal study of 4300 individuals recruited from consecutive inpatient TBI admissions to a rehabilitation hospital between 1985 and 2021 (N=4300). We analyzed data from 596 unique individuals (13.86% of total dataset; 70.81% male; Mage=40.11 years, SDage=17.49 years; 7.59% non-English-speaking background) with moderate-severe TBI who had complete data on all personal and injury-related variables (collected on admission) and emotional data at 3 or more time-points. There were 464 participants at the 1-year post-injury time-point, 485 at 2 years, 454 at 3 years, 450 at 5 years, and 248 at 10 years. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE: The Hospital Anxiety and Depression Scale (HADS). RESULTS: Visualization of the individual HADS symptoms (line graph) showed that the most highly endorsed symptoms at each time-point were feeling slowed down and restlessness. On average, each symptom reduced across the first decade post-TBI, with an overall mild level of emotional distress at 10 years. However, visualization of participants' individual trajectories based on the HADS total score (Sankey diagram) revealed significant heterogeneity. Using latent class analysis, we identified 5 distinct trajectory types based on the HADS total score: "Gradual Improving" (38.93%), "Resilience" (36.41%), "Gradual Worsening" (10.40%), and 2 non-linear trajectories of "Worsening-Remitting" (8.22%) and "Improving-Relapsing" (6.04%). Middle age at injury, lower Glasgow Coma Scale score, comorbid spinal and limb injuries, and receipt of pre-injury mental health treatment predicted earlier and/or worsening post-injury emotional distress. CONCLUSIONS: Emotional distress across the first decade after moderate-severe TBI is dynamic, heterogeneous, and often chronic, underscoring a need for ongoing monitoring and responsive treatment.
Asunto(s)
Lesiones Traumáticas del Encéfalo , Lesiones Encefálicas , Distrés Psicológico , Persona de Mediana Edad , Humanos , Masculino , Femenino , Estudios de Cohortes , Estudios Longitudinales , Lesiones Traumáticas del Encéfalo/diagnóstico , Lesiones Encefálicas/rehabilitaciónRESUMEN
PURPOSE: Whilst anyone can be scammed, individuals with acquired brain injury (ABI) may have unique risk factors to cyberscams for which tailored interventions are required. To address this, a co-design approach was utilised to develop cybersafety resources with people with living experience of ABI and scams. This study aimed to evaluate the co-design experience to inform future utilisation of co-design methods. METHOD: Semi-structured qualitative interviews explored perceived benefits and challenges, level of support and the co-design process for people with ABI (n= 7) and an attendant care worker (ACW) (n= 1). Transcripts were analysed using a six-stage reflexive thematic analysis. RESULTS: Five themes were identified: "An Intervention Addressing Shame"; "Feeling Validated and Valued"; "Experiencing a 'Profound Change Amongst a Group of Peers'"; 'Gaining Stronger Scam Awareness'; and 'Taking Ownership'. Adjustments to support communication, memory impairments and fatigue in the co-design process were recommended. CONCLUSIONS: Participant reflections on the co-design process extended beyond resource design and highlighted therapeutic benefits of increased insight and emotional recovery from shame. Likely mechanisms underpinning these benefits were the peer group format and opportunities to make meaningful contributions. Despite identified challenges in facilitating co-design projects, the practical and emotional benefits reported by participants underscore the value of co-design with people with ABI. Implications for rehabilitationIndividuals with acquired brain injury (ABI) may be at increased risk of cyberscams due to cognitive impairments, for which tailored cyberscam interventions are required.Using a co-design approach maximises the relevance of training resources for individuals with ABI.Using a collaborative co-design approach to developing cybersafety training resources may facilitate scam awareness and peer support.Support for communication, memory impairments and fatigue may be necessary in co-design efforts with people with ABI.
RESUMEN
Challenging behaviours are distressing sequelae for people with acquired brain injury (ABI) and their families. Positive Behaviour Support (PBS) is a collaborative approach focussing on improving quality of life for individuals with ABI presenting with challenging behaviours. This qualitative study explored clinicians' experiences of a 12-month intervention (PBS+PLUS) for adults with ABI and their family/carers. Semi-structured interviews were conducted with eight clinicians trained in neuropsychology (n = 5), occupational therapy (n = 3), speech pathology (n = 2), with two clinicians trained in two of these disciplines. Interviews were analysed through reflexive thematic analysis. Three themes were identified: Shifting clinical identity; Working as equals; Adapting to the environment. Participants experienced PBS+PLUS as a difficult approach to learn but one which enhanced overt client communication and comfort with their clinical fallibility. PBS+PLUS involved giving clients equal status in the clinician-client relationship which for some clients and families was challenging. Finally, PBS+PLUS was perceived as problematic to implement in some work settings (e.g., involving high staff turnover). Clinicians' recommendations for future implementation included thorough training and supervision and early setting of client expectations. With increasing interest in PBS to address challenging behaviours after ABI, these findings will guide PBS+PLUS translation for community clinicians.
Asunto(s)
Lesiones Encefálicas , Calidad de Vida , Adulto , Humanos , Calidad de Vida/psicología , Lesiones Encefálicas/complicaciones , Lesiones Encefálicas/psicología , Terapia Conductista , Cuidadores/psicología , Comunicación , Investigación CualitativaRESUMEN
Individuals with acquired brain injury (ABI) may be vulnerable to cyberscams due to their cognitive and psychosocial impairments. However, the lived experiences of cyberscam survivors with ABI and their close others is not understood, and no effective intervention has been identified. This qualitative study aimed to explore the perspectives of cyberscam survivors with ABI (n = 7) and their close others (n = 6). Semi-structured interviews explored the scam experience, impacts, vulnerabilities and interventions. Reflexive thematic analysis of interview transcripts identified seven themes: "who is at the helm?: vulnerabilities," "the lure: scammer tactics," "scammers aboard: scam experience," "the discovery," "sinking in: impacts," "responding to the mayday: responses from others," and "lifesavers: suggestions for intervention." The journey towards scam victimisation was complex, and complicated by the ABI. Cyberscams contributed to substantial financial disadvantage, loss of trust and shame. ABI related impairments and social isolation reportedly increased scam vulnerability and interfered with intervention attempts by family and professionals. Confusion, denial and disbelief created further barriers to discovery. The practical and emotional impacts on both cyberscam survivors with ABI and their family members, and a lack of effective intervention, highlight the need for increased education and awareness in order to improve online safety for those with ABI.
Asunto(s)
Lesiones Encefálicas , Humanos , Lesiones Encefálicas/complicaciones , Emociones , Familia , Aislamiento Social , Sobrevivientes/psicología , Investigación CualitativaRESUMEN
Cyberscams, such as romance scams, are prevalent and costly online hazards in the general community. People with Acquired Brain Injury (ABI) may be particularly vulnerable and have greater difficulty recovering from the resultant emotional and financial hardships. In order to build capacity in the neurorehabilitation sector, it is necessary to determine whether clinicians currently encounter this issue and what prevention and intervention approaches have been found effective. This scoping study aimed to explore clinicians' exposure to and experiences with cyberscams in their adult clients with ABI. METHOD: Participants were clinicians recruited from multidisciplinary networks across Australia and New Zealand. Eligible participants (n = 101) completed an online customised survey. RESULTS: More than half (53.46%) the participants had one or more clients affected by cyberscams, predominantly romance scams. Cognitive impairments and loneliness were reportedly associated with increased vulnerability. Cyberscams impacted treatment provision and were emotionally challenging for participants. No highly effective interventions were identified. CONCLUSIONS: These findings indicate that cyberscams are a clinical issue relevant to neurorehabilitation providers, with prevalence studies now required. The lack of effective interventions identified underscores the need for the development of evidence-based prevention and treatment approaches to ultimately help people with ABI safely participate in online life.
Asunto(s)
Lesiones Encefálicas , Rehabilitación Neurológica , Adulto , Humanos , Estudios Transversales , Lesiones Encefálicas/complicaciones , Encuestas y Cuestionarios , EmocionesRESUMEN
The RNA chaperone Hfq promotes the association of small RNAs (sRNAs) with cognate mRNAs, controlling the expression of bacterial phenotype. Actinobacillus pleuropneumoniae hfq mutants strains are attenuated for virulence in pigs, impaired in the ability to form biofilms, and more susceptible to stress, but knowledge of the extent of sRNA involvement is limited. Here, using A. pleuropneumoniae strain MIDG2331 (serovar 8), 14 sRNAs were identified by co-immunoprecipitation with Hfq and the expression of eight, identified as trans-acting sRNAs, were confirmed by Northern blotting. We focused on one of these sRNAs, named Rna01, containing a putative promoter for RpoE (stress regulon) recognition. Knockout mutants of rna01 and a double knockout mutant of rna01 and hfq, both had decreased biofilm formation and hemolytic activity, attenuation for virulence in Galleria mellonella, altered stress susceptibility, and an altered outer membrane protein profile. Rna01 affected extracellular vesicle production, size and toxicity in G. mellonella. qRT-PCR analysis of rna01 and putative cognate mRNA targets indicated that Rna01 is associated with the extracytoplasmic stress response. This work increases our understanding of the multilayered and complex nature of the influence of Hfq-dependent sRNAs on the physiology and virulence of A. pleuropneumoniae.
RESUMEN
BACKGROUND: Challenging behaviours are common and disabling consequences of acquired brain injury (ABI), causing stress for close-others and disrupting community integration. Positive Behaviour Support (PBS) interventions have support from case studies as a means of reducing these behaviours, but controlled trials are lacking. OBJECTIVES: This study aimed to evaluate, with a randomised waitlist-controlled trial, the efficacy of a 12-month PBS intervention, termed PBS+PLUS, in reducing challenging behaviours after ABI. METHODS: Participants included 49 individuals with ABI (PBS+PLUS Intervention and Waitlist Treatment-as-usual groups) and their close-others. The design was a randomised waitlist-controlled trial with 12-month follow-up. PBS+PLUS involved setting collaborative goals toward a more meaningful life with the individual with ABI and addressing barriers to achieving these, including challenging behaviours, through skill-building, restructuring environments and executive strategies. The primary outcome measure was the Overt Behaviour Scale (OBS). The Challenging Behaviour Self-Efficacy Scale (CBSES) was a secondary outcome, assessing close-others' self-efficacy in addressing challenging behaviour. Measures were completed at baseline and every 4 months. Data analyses involved mixed-effects and negative binomial regressions examining change over time by group. RESULTS: The PBS+PLUS Intervention group included 24 participants and the Waitlist group 25 participants. On the OBS, the Intervention group showed a significant reduction in challenging behaviour over the 12-month intervention. However, the Waitlist group showed similar improvement on the OBS over the 12-month waitlist period. The Waitlist group was not denied an intervention from other providers during this period. Gains continued for 8 months post-intervention. The PBS+PLUS intervention resulted in significantly greater gains in close-others' confidence in addressing challenging behaviours on the CBSES, relative to those in the Waitlist group, who showed no such gains. CONCLUSIONS: Although we cannot say this intervention is more effective than any other, the study did show that PBS+PLUS can result in significant and sustained reductions in challenging behaviour in individuals with severe ABI and increased confidence of close-others in addressing these difficult behaviours. AUSTRALIAN NEW ZEALAND CLINICAL TRIALS REGISTRY: #ACTRN12616001704482.
Asunto(s)
Lesiones Encefálicas , Adulto , Australia , Lesiones Encefálicas/complicaciones , Humanos , AutoeficaciaRESUMEN
BACKGROUND: Challenging behaviours after acquired brain injury (ABI) cause distress and reduce community participation. Evidence-based and effective interventions are needed. Positive Behaviour Support (PBS) interventions, such as PBS + PLUS, are person-driven and context-sensitive approaches which aim to improve quality of life and enhance behavioural self-regulation. This study aimed to expand the empirical outcomes of a recent waitlist-controlled trial of PBS + PLUS by examining individualized goal attainment. METHOD: Participants were 44 adults with severe ABI sustained on average nine years previously (Range = 0.6-26) from the combined trial cohort who completed the intervention. Using Goal Attainment Scaling, trial therapists developed and reviewed goals collaboratively with the person with ABI and their natural supports. RESULTS: The 182 goals in the sample focussed on psychological wellbeing, interpersonal relationships, routines and self-care. By the end of 12-month intervention, 84.6% of goals were achieved and 53.3% exceeded their expected outcome. CONCLUSIONS: These findings indicate high levels of personally meaningful outcomes in a broad range of life-domains can be obtained for participants with severe ABI using PBS + PLUS. Whilst these results should be considered in combination with the findings of the waitlist-controlled trial, they contribute to the growing literature regarding benefits of PBS in enhancing quality of life post-ABI. TRIAL REGISTRATION: Australian New Zealand Clinical Trials Registry identifier: ACTRN12616001704482.
Asunto(s)
Lesiones Encefálicas , Calidad de Vida , Humanos , Adulto , Calidad de Vida/psicología , Objetivos , Australia , Relaciones InterpersonalesRESUMEN
Challenging behaviours are common following moderate to severe acquired brain injury (ABI). These behaviours cause relationship and community participation difficulties and are a significant source of stress for many individuals with ABI and their close others (COs). A Positive Behaviour Support intervention, PBS + PLUS, was implemented to assist individuals with ABI to collaboratively build meaningful lives and self-regulate their behaviour. This study explored the perspectives of individuals with ABI and COs (family members, friends, and carers) who had completed an individualized 12-month PBS + PLUS intervention. Fifty-two individuals participated in semi-structured interviews, and a thematic analysis of interview transcripts identified the interrelated themes of Openness to Change, Embeddedness, Clinician Connection, and Preparedness for the Future. Participant perceptions of, and engagement with, PBS + PLUS were influenced by an attitude of openness to new ideas and by the intervention itself. Achieving contextual relevance allowed the intervention to become embedded in participants' lives, and the client-clinician relationship was central to participants' positive experiences. While most participants felt better equipped to cope with the future, some experienced difficulties transitioning to post-intervention life. These results suggest PBS + PLUS may assist individuals with ABI to lead meaningful lives and more confidently overcome behavioural challenges, while encouraging supportive and empowered COs.
Asunto(s)
Terapia Conductista , Familia , Humanos , Cuidadores , Emociones , Amigos , Investigación CualitativaRESUMEN
The field of genomics is the principal avenue in the ongoing development of precision/personalised medicine for a variety of health conditions. However, relating genes to outcomes is notoriously complex, especially when considering that other variables can change, or moderate, gene-outcome associations. Here, we comprehensively discuss moderation of gene-outcome associations in the context of traumatic brain injury (TBI), a common, chronically debilitating, and costly neurological condition that is under complex polygenic influence. We focus our narrative review on single nucleotide polymorphisms (SNPs) of three of the most studied genes (apolipoprotein E, brain-derived neurotrophic factor, and catechol-O-methyltransferase) and on three demographic variables believed to moderate associations between these SNPs and TBI outcomes (age, biological sex, and ethnicity). We speculate on the mechanisms which may underlie these moderating effects, drawing widely from biomolecular and behavioural research (n = 175 scientific reports) within the TBI population (n = 72) and other neurological, healthy, ageing, and psychiatric populations (n = 103). We conclude with methodological recommendations for improved exploration of moderators in future genetics research in TBI and other populations.
Asunto(s)
Lesiones Traumáticas del Encéfalo , Catecol O-Metiltransferasa , Envejecimiento , Apolipoproteínas E/genética , Lesiones Traumáticas del Encéfalo/genética , Catecol O-Metiltransferasa/genética , Humanos , Polimorfismo de Nucleótido Simple/genéticaRESUMEN
Challenging behaviours are a common and distressing consequence of acquired brain injury (ABI). There are no evidence-based guidelines for managing challenging behaviours after ABI, leaving clinicians with few resources to guide practice. Findings from case studies and single-subject experimental designs support the use of positive behaviour support (PBS) interventions for challenging behaviour post-ABI. This paper introduces PBS + PLUS: a multi-component and flexible PBS intervention using a person-driven collaborative approach to build a meaningful life and self-regulate behaviour after ABI. PBS + PLUS is currently being examined in a randomized controlled trial (RCT). Three detailed pilot case studies illustrate the highly individualized implementation of the programme, delivered to the individuals with ABI and carers over 12 months by a transdisciplinary team including neuropsychologists, occupational therapists, and psychiatrists. Objective behavioural outcomes are reported for participants using the Overt Behaviour Scale at baseline and four-monthly intervals for two years. Goal attainment scaling was used to measure personally meaningful goals. The qualitative appraisals of the intervention by participants, families and carers, and 12-month follow-up outcomes are described. The advantages and challenges of programme delivery are discussed. These case studies will assist clinicians and service providers to implement PBS + PLUS in anticipation of the results of the RCT.
Asunto(s)
Lesiones Encefálicas , Terapia Conductista , Lesiones Encefálicas/complicaciones , Cuidadores , Humanos , Proyectos Piloto , Proyectos de InvestigaciónRESUMEN
Post-traumatic growth (PTG) can emerge following traumatic brain injury (TBI), however measures of PTG rely on the cognitive capacity to reflect on psychological growth. Positive associations between scores on PTG measures and behavioural and functional indicators of growth would help establish the clinical utility of measuring PTG after TBI. We examined the degree of association of the Post-traumatic Growth Inventory - Short form (PTGI-SF) and Changes in Outlook Questionnaire - Short form (CiOQ-S), with (1) PTG-consistent behaviours; (2) valued living (behaving in ways consistent with one's values); and (3) post-injury functional outcomes. Participants had moderate to severe TBI and were 1-5 years post-injury (n = 70). Participants with higher scores on the CiOP-S (the positive subscale of the CiOQ-S) reported more frequent PTG-consistent behaviours post-injury, such as showing care towards family and friends, and appreciation of life. Higher CiOP-S scores were also positively associated with valued living and return to work/study. There were fewer associations between PTGI-SF scores and behavioural and functional outcomes. PTG after TBI, as measured by the CiOQ-S, was associated with behavioural and functional indicators of positive growth, highlighting the strength and utility of this scale and the importance of measuring and fostering PTG in rehabilitation.
Asunto(s)
Lesiones Traumáticas del Encéfalo/psicología , Crecimiento Psicológico Postraumático , Psicometría/instrumentación , Funcionamiento Psicosocial , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad , Reinserción al Trabajo , Índice de Severidad de la Enfermedad , Adulto JovenRESUMEN
BACKGROUND AND AIMS: Behaviours of Concern (BoC) are a debilitating consequence of Traumatic Brain Injury (TBI). Whilst perspectives of clinicians, carers and family members on BoC have been previously explored, few qualitative studies have included individuals with TBI. The aim of this study was to explore the lived experience of BoC in individuals with TBI, their close others and clinicians. METHOD: Eleven males with TBI and BoC were recruited and 25 semi-structured qualitative interviews were conducted (9 individuals with TBI, 9 close others, 7 clinicians). A six-phase thematic analysis approach was utilised. RESULTS: Frequent and persistent BoC were reported and the key themes identified included the brain injury, control, environment, mood, identity, social relationships, and meaningful participation. Whilst the brain injury contributed to BoC in all cases, the way the other themes manifested and interacted was variable. CONCLUSIONS: This study enriches our understanding of factors associated with BoC. Themes emerging from this study will inform interventions designed to reduce BoC and ultimately maximise quality of life for individuals with TBI and their families.