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Patient attitudes towards remote memory clinic assessment.
BACKGROUND: Due to demand on UK memory clinic services, most patients have limited consultant interaction before diagnosis/discharge. Technology offers an opportunity for remote assessment, from telephone/video-based consultations to fully digitised cognitive assessments with potential to track disease progression. Whilst many acute services utilise remote assessment, there are perceived barriers in memory clinic populations. However, COVID-19 and related national restrictions may have altered patients' attitudes towards and experience with remote assessment tools. We aimed to investigate attitudes including confidence and perceived challenges towards remote assessment as well as access and experience with technology amongst Oxfordshire memory clinic patients. METHOD: Between June and September 2020, all patients awaiting initial memory clinic assessment were asked to participate in a standardised semi-quantitative survey as part of an Oxford Health NHS Foundation Trust service evaluation. Designed with service-user input, questions aimed to capture availability, experience and confidence using technology and patients' comfort with assessment, diagnosis and future care discussions being conducted remotely, as well as any concerns or comments. RESULT: Amongst 73 respondents (average age=79.1 years), access to technology was high; 82% reported telephone access and 58% to a laptop, tablet, smartphone or combination of the three. 17% reported previous use of web-based video conferencing tools, and although confidence using these tools was 7%, this increased with written instruction or relative assistance. Similarly, whilst under half of the respondents felt comfortable with assessments, diagnosis or future care discussions occurring remotely, this increased to approximately two thirds with relative presence (67%, 69% and 66%, respectively). Qualitative analysis of patient's comments regarding remote assessment also revealed concerns over wait times/urgent need for assessment. However, 62% preferred to wait for an in-person visit, rather than an immediate remote appointment. CONCLUSION: This survey demonstrates availability of technology in this population but a disparity in willingness to engage in remote assessment. Consequently, there is a need to diverge from one-size-fits-all models to a tiered approach that helps facilitate individual choice based on the availability/confidence with technology and level of relative support. The Oxford Brain Health Centre, an integrated clinical-research service, provides an opportunity to research this tiered approach in clinical practice.
Adapting UK Biobank imaging for use in a routine memory clinic setting: The Oxford Brain Health Clinic.
The Oxford Brain Health Clinic (BHC) is a joint clinical-research service that provides memory clinic patients and clinicians access to high-quality assessments not routinely available, including brain MRI aligned with the UK Biobank imaging study (UKB). In this work we present how we 1) adapted the UKB MRI acquisition protocol to be suitable for memory clinic patients, 2) modified the imaging analysis pipeline to extract measures that are in line with radiology reports and 3) explored the alignment of measures from BHC patients to the largest brain MRI study in the world (ultimately 100,000 participants). Adaptations of the UKB acquisition protocol for BHC patients include dividing the scan into core and optional sequences (i.e., additional imaging modalities) to improve patients' tolerance for the MRI assessment. We adapted the UKB structural MRI analysis pipeline to take into account the characteristics of a memory clinic population (e.g., high amount of white matter hyperintensities and hippocampal atrophy). We then compared the imaging derived phenotypes (IDPs) extracted from the structural scans to visual ratings from radiology reports, non-imaging factors (age, cognition) and to reference distributions derived from UKB data. Of the first 108 BHC attendees (August 2020-November 2021), 92.5 % completed the clinical scans, 88.0 % consented to use of data for research, and 43.5 % completed the additional research sequences, demonstrating that the protocol is well tolerated. The high rates of consent to research makes this a valuable real-world quality research dataset routinely captured in a clinical service. Modified tissue-type segmentation with lesion masking greatly improved grey matter volume estimation. CSF-masking marginally improved hippocampal segmentation. The IDPs were in line with radiology reports and showed significant associations with age and cognitive performance, in line with the literature. Due to the age difference between memory clinic patients of the BHC (age range 65-101 years, average 78.3 years) and UKB participants (44-82 years, average 64 years), additional scans on elderly healthy controls are needed to improve reference distributions. Current and future work aims to integrate automated quantitative measures in the radiology reports and evaluate their clinical utility.
Gallery Game: Smartphone-based Assessment of Long-Term Memory in Adults at Risk of Alzheimer’s Disease
Gallery Game, deployed within the Mezurio smartphone app, targets the processes of episodic memory first vulnerable to neurofibrillary tau-related degeneration in Alzheimer’s Disease, prioritising both perirhinal and entorhinal cortex/hippocampal demands. Thirty-five healthy adults (aged 40-59 years), biased towards those at elevated familial risk of dementia, completed daily Gallery Game tasks for a month. Assessments consisted of cross-modal paired-associate learning, with subsequent tests of recognition and recall following delays ranging from one to 13 days. There was a non-linear decline in memory retention with increasing delays between learning and test, with significant forgetting first reported following delays of three and five days for paired-associate recall and recognition respectively, supporting the need for ecologically valid measures of longer-term memory. Gallery Game outcomes correlated as expected with established neuropsychological memory assessments, confirming the validity of this digital assessment of episodic memory. In addition, there was preliminary support for utilising the perirhinal-dependent pattern of semantic errors during object recognition as a marker of early impairment, justifying ongoing validation against traditional biomarkers of Alzheimer’s disease.
Predictors and moderators of response to enhanced cognitive behaviour therapy and interpersonal psychotherapy for the treatment of eating disorders.
Consistent predictors, and more especially moderators, of response to psychological treatments for eating disorders have not been identified. The present exploratory study examined predictors and moderators of outcome in adult patients who took part in a randomised clinical trial comparing two leading treatments for these disorders, enhanced cognitive behavioural therapy (CBT-E) and interpersonal psychotherapy (IPT). Four potentially important findings emerged. Firstly, patients with a longer duration of disorder were less likely to benefit from either treatment. Second, across the two treatments the presence, at baseline, of higher levels of over-evaluation of the importance of shape predicted a less good treatment outcome. Third DSM-IV diagnosis did not predict treatment outcome. Fourth, with the exception of patients with baseline low self-esteem who achieved a better outcome with CBT-E, it was generally not possible to identify a subgroup of patients who would differentially benefit from one or other treatment.
Treating eating disorders using the internet.
PURPOSE OF REVIEW: This article evaluates the empirical standing of online treatment (eTherapy) for people with an established eating disorder. RECENT FINDINGS: There have been four randomized controlled trials of eTherapy for people with an eating disorder. All four focused on eating disorders characterized by binge eating and recruited adult participants direct from the community. The interventions were cognitive behavioural in nature, lasted between 3 and 7 months, and were accompanied by external support. In common with eTherapy for other mental health problems, there were problems engaging and retaining the users, and maximizing their implementation of the intervention. A minority (10-37%, intent-to-treat figures) improved substantially. SUMMARY: This is a new field. The findings of the four randomized controlled trials are consistent with the earlier reports indicating that guided eTherapy interventions of a cognitive behavioural nature are acceptable to (female) adults with a binge eating problem and that a subgroup improves substantially. More effective interventions are required and their use in different healthcare settings needs to be investigated. Direct-to-sufferer eTherapy interventions have the potential to increase access to effective forms of treatment and, in younger cases, they might serve as a form of secondary prevention.
Assessing clinician competence in the delivery of cognitive-behavioural therapy for eating disorders: development of the Cognitive-Behavioural Therapy Scale for Eating Disorders (CBTS-ED).
Evidence-based cognitive-behaviour therapy for eating disorders (CBT-ED) differs from other forms of CBT for psychological disorders, making existing generic CBT measures of therapist competence inadequate for evaluating CBT-ED. This study developed and piloted the reliability of a novel measure of therapist competence in this domain-the Cognitive Behaviour Therapy Scale for Eating Disorders (CBTS-ED). Initially, a team of CBT-ED experts developed a 26-item measure, with general (i.e. present in every session) and specific (context- or case-dependent) items. To determine statistical properties of the measure, nine CBT-ED experts and eight non-experts independently observed six role-played mock CBT-ED therapy sessions, rating the therapists' performance using the CBTS-ED. The inter-item consistency (Cronbach's alpha and McDonald's omega) and inter-rater reliability (ICC) were assessed, as appropriate to the clustering of the items. The CBTS-ED demonstrated good internal consistency and moderate/good inter-rater reliability for the general items, at least comparable to existing generic CBT scales in other domains. An updated version is proposed, where five of the 16 "specific" items are reallocated to the general group. These preliminary results suggest that the CBTS-ED can be used effectively across both expert and non-expert raters, though less experienced raters might benefit from additional training in its use.
Cognitive behavioral therapy for eating disorders.
Cognitive behavioral therapy (CBT) is the leading evidence-based treatment for bulimia nervosa. A new "enhanced" version of the treatment appears to be more potent and has the added advantage of being suitable for all eating disorders, including anorexia nervosa and eating disorder not otherwise specified. This article reviews the evidence supporting CBT in the treatment of eating disorders and provides an account of the "transdiagnostic" theory that underpins the enhanced form of the treatment. It ends with an outline of the treatment's main strategies and procedures.
Interpersonal psychotherapy for eating disorders.
Interpersonal psychotherapy (IPT) is a leading evidence-based treatment for those eating disorders in which binge eating is a feature. This article begins with a consideration of the rationale for using IPT to treat patients with eating disorders. This is followed by a review of the evidence supporting its use and a brief description of treatment including an illustrative clinical case vignette. The article closes with a discussion of possible future directions for research on IPT for eating disorders.