BackgroundEssential tremor (ET) is associated with physical and cognitive impairments, as well as embarrassment, avoidance of social settings, and related difficulties that negatively impact the lives of patients. In similar disease contexts, burden on friends and relatives acting as caregivers has been noted and has well-documented implications. There has been no study examining caregiver burden related to ET.MethodsData were gathered from 55 ET participants enrolled in a clinical study and their caregivers. The Zarit Burden Interview was used to assess caregiver burden. To assess clinical features that may be associated with burden, we collected several variables including the Montreal Cognitive Assessment, self-reported tremor disability, a videotaped neurological examination, questionnaires assessing ET participants’ suffering, caregivers’ perceptions of that suffering, and both caregiver and ET participant depressive symptoms. Spearman’s correlations were performed between caregiver burden and clinical features, and we created a multivariate linear regression model predicting caregiver burden.ResultsMany ET caregivers provide little to no care and experience little to no burden. However, some caregivers (11%) provide over 25 h of care/week, and 13% experience high levels of burden. Caregivers most commonly provided assistance with writing and cooking. Increased burden was associated with the ET participants’ decreased cognition, more caregiving tasks, more hours/week of caregiving activities, a longer duration of care, more ET participant falls/year, more medications taken by the ET participant, and more depressive symptoms in both the ET participant and the caregiver (all p < 0.05). ET participants’ suffering and their caregivers’ perceptions of suffering were both associated with increased burden. Neither tremor severity score nor self-reported tremor disability score was associated with increased caregiver burden. Using a multivariate linear regression model, we found that caregivers’ increased perception of their partners’ suffering was the best predictor of caregiver burden.ConclusionWhile not all relatives and friends of ET patients provide extensive care or experience high burden, there is a group reporting high levels of caregiver burden that requires the attention and counseling of clinicians. This burden is associated with primarily non-tremor symptoms of ET and with caregivers’ perception that their partners are suffering.
Objective Individuals with essential tremor (ET) exhibit a range of cognitive deficits generally conceptualized as “dysexecutive” or “fronto-subcortical,” and thought to reflect disrupted cortico-cerebellar networks. In light of emerging evidence that ET increases risk for Alzheimer’s disease (AD), it is critical to more closely examine the nature of specific cognitive deficits in ET, with particular attention to amnestic deficits that may signal early AD. Method We performed a cross-sectional analysis of baseline data from 128 ET cases (age 80.4 ± 9.5 years) enrolled in a longitudinal, clinical-pathological study. Cases underwent a comprehensive battery of motor-free neuropsychological tests and a functional assessment to inform clinical diagnoses of normal cognition (ET-NC), mild cognitive impairment (MCI) (ET-MCI), or dementia (ET-D). ET-MCI was subdivided into subtypes including: amnestic single-domain (a-MCI), amnestic multi-domain (a-MCI+), non-amnestic single-domain (na-MCI), or non-amnestic multi-domain (na-MCI+). Results 91 (71.1%) cases were ET-NC, 24 (18.8%) were ET-MCI, and 13 (10.2%) were ET-D. Within MCI, the a-MCI+ subtype was the most common (13/24; 54.2%) followed by a-MCI (4/24; 16,7%), na-MCI+ (4/24; 16.8%), and na-MCI (3/24; 12.5%). Cases with amnestic MCI demonstrated lower recognition memory z-scores (−2.4 ± 1.7) than non-amnestic groups (−0.9 ± 1.2) (p=0.042). Conclusions Amnestic MCI, defined by impaired memory recall but associated with lower memory storage scores, was the most frequent MCI subtype in our study. Such impairment has not been explicitly discussed in the context of ET and may be an early hallmark of AD. Results have implications for the prognosis of specific cognitive deficits in ET.
Essential tremor (ET) is a progressive neurological disease associated with functional disability, diminished quality of life and, in some individuals, poorer balance, cognitive impairment, depression and sleep dysregulation. Individuals with ET may rely on family members and friends to act as informal caregivers to assist with daily activities and provide emotional support. There is a high prevalence of embarrassment among individuals with ET, which may be a result of the outwardly visible nature of tremor. Studies in populations with outwardly visible disability have shown that perception by caregivers of a care-recipient’s social distress can contribute to caregiver burden. We hypothesize that in ET, perception by caregivers of ET participant embarrassment is a predictor for caregiver burden. Data were collected from 57 ET participants and their caregivers. We measured ET participant embarrassment using the Essential Tremor Embarrassment Assessment (ETEA), and measured perception by caregivers of ET participant embarrassment using a modified version of the ETEA. The Zarit Burden Interview was used to measure caregiver burden. Perceived embarrassment was associated with ET participant embarrassment. In linear regression models, perceived embarrassment was a stronger predictor for caregiver burden than measures of ET participant cognitive and physical impairment. The results indicate that perception of ET participant embarrassment can be burdensome for caregivers. Clinicians may wish to address patient embarrassment and perceived embarrassment to better support caregivers and ET patients.
There was a high point prevalence of depressive symptoms in subjects with ET. Self-report depressive symptoms are dissociated from tremor severity. Hence, these data do not support the hypothesis that depression in ET represents a psychological reaction to the tremor. There appears to be a clustering of cognitive, functional, and depressive symptoms in ET. Screening of depression in ET can improve our understanding and treatment of this disorder.
Background: Patient-centeredness (i.e., providing care that is responsive to individual patient preferences) is increasingly recognized as a crucial element of quality of care. Methods: A six-item patient-centeredness questionnaire was devised to assess the self-perceived needs of essential tremor (ET) patients. A link to the questionnaire was included in the monthly e-newsletter of the International Essential Tremor Foundation. The questionnaires were completed online and data were available in electronic format. Results: There were 1,418 respondents. One in three respondents (i.e., 31.4%) indicated that the doctor was not even ''moderately well-educated'' about ET. Only 11.8% of respondents were satisfied with their care. Respondents raised a multiplicity of issues that were not being addressed in their current care. The top items were psychological services and support (33.9%), physical or occupational therapy (28.6%), handling embarrassment and social effects of tremor (15.8%), feelings of not being in control (13.7%), a detailed report and a more quantitative way of assessing tremor and tracking progression (12.7%), better counseling about current treatment and medications (11.9%), empathy, compassion and a feeling of being heard (11.6%), a treatment approach other than just medications and surgery (11.2%), and a discussion of all symptoms aside from tremor (e.g., cognition, balance). Discussion: Patients with ET identified a broad range of issues that they felt were not addressed in their treatment; indeed, only one in 10 patients reported that they were satisfied with their care. It is hoped that patient-centered approaches such as this will lead to improved models for the care of patients with this common chronic disease.
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