The associations between behavioral-psychological symptoms of dementia (BPSD) and coping strategy, burden of care and personality style among low-income caregivers of patients with dementia

The characteristics of cognitive and daily living functions of neurocognitive disorders with delusions in elderly Alzheimer's disease

Background

Delusions in neurocognitive disorder due to Alzheimer's disease (AD) worsen patients' cognitive functions and activities of daily living (ADL), increasing caregiver burden and the risk of mortality. AD patients with delusions tend to experience a more rapid decline in cognition and have demonstrated poorer performance on various cognitive function tests. Considering the prognosis of delusion in AD patients, it tends to be more favorable with appropriate treatment. However, there is a lack of neuropsychological research, specifically examining the impact of delusions in AD, characterized by progressive deterioration of cognitive function. This study investigates the impact of delusions on cognitive function and ADL under conditions controlling for disease severity.

Methods

We compared cognitive function and ADL in AD patients aged 65 years or older according to the presence of delusions. To assess longitudinal change, we analyzed data from patients monitored for an average of 15 to 16 months. We assessed cognitive function and ADL using the Seoul Neuropsychological Screening Battery-Second Edition (SNSB-II) and delusions using the Neuropsychiatric Inventory (NPI). We used IBM SPSS Statistics version 25.0 for all statistical analyses. The analysis was not adjusted for multiple comparisons. We investigated how delusions impact cognitive function and ADL, controlling for age, educational level, and disease severity.

Results

The delusions group exhibited poorer immediate recall of verbal memory than the non-delusions group. In the follow-up evaluation, patients who developed delusions had lower baseline cognitive function than those who did not, and their language fluency declined over time. In addition, we found the presence of delusions associated with worse functional impairment in ADL as the disease progressed.

Conclusion

While controlling for the severity of AD, we found no significant negative impacts of delusions on most cognitive functions. Nevertheless, it is noteworthy that the immediate recall of verbal memory and the Controlled Oral Word Association Test (COWAT)_animal sensitively detected the negative impact of delusions. Furthermore, since delusions are associated with worsening ADL, we understand that delusion treatment is important for improving the quality of life for patients and caregivers.

The burden in family caregivers of people living with dementia: prevalence and predictors

BACKGROUND

Providing care for people with dementia incorporates a level of burden which can affect quality of life for both the caregiver and the recipient of care. This study measures the level of burden experienced by Jordanian caregivers for people with dementia and explore related predictors.

METHODS

Through a cross-sectional survey, participants were invited through convenience sampling to participate in a structured interview.

RESULTS

A total of 406 participants completed the survey. According to Zarit Burden Interview, the mean burden score of the sample was 26.2 (SD = 16.2). This score falls under the mild to moderate burden level. Older age of the patient, severe dementia, lower number of caregivers, if the caregiving negatively affected family relations, and if the caregiving negatively affected jobs, were significant predictors of burden.

CONCLUSION

Caregivers in the current study reported no burden to a minimum burden. This result does not mean that these caregivers have no or minimal stress or that they do not have psychological needs; on the contrary, these results call for more attention to providing extra psychological and emotional support to caregivers of patients with dementia in order to decrease the burden level and maintain their efforts in caregiving. Future studies are required to discern the shape and context of unmet caregiver needs, assessment, and support.

An integrated model of psychosocial correlates of insomnia severity in family caregivers of people with dementia

OBJECTIVES

Research has shown the relevance of stress and coping factors in explaining caregivers' insomnia symptoms. However, few attempts have been made to empirically test an integrative model for insomnia severity in family caregivers of people with dementia. The aim of this study was to test such a model, in which insomnia severity is proposed to be influenced by predisposing factors, precipitated by stressors, and perpetuated by behaviors to cope with these stressors.

METHODS

311 family caregivers of people with dementia were assessed for variables categorized as predisposing (e.g. female gender), precipitating (e.g. care-recipient's behavioral and psychological symptoms of dementia [BPSD]), and perpetuating factors (e.g. sleep aids). A theoretical model was developed and then statistically tested using structural equation modelling, analyzing the direct and indirect effects of the assessed variables on caregivers' insomnia severity.

RESULTS

Distress, sleep aids, and experiential avoidance showed a direct association with insomnia severity. Female gender, younger age, cognitive fusion, leisure activities, dysfunctional thoughts, frequency and distress caused by care-recipient's BPSD showed indirect associations with insomnia severity. The model explained 22% of the variance of caregivers' insomnia severity.

CONCLUSION

The results provide additional empirical support for the importance of predisposing, precipitating and perpetuating factors associated with caregivers' insomnia severity. The integrative model we propose may also be useful for developing interventions targeting insomnia symptoms in family dementia caregivers.

A Trajectory of Long-Term Antipsychotic Medication Dosage in Inpatients with Severe Behavioral and Psychological Symptoms of Dementia: A Retrospective Study

INTRODUCTION

While antipsychotics are often prescribed for behavioral and psychological symptoms of dementia (BPSD), typically on an off-label basis, these medications have serious adverse effects. This study investigated the long-term use of antipsychotics among inpatients with dementia displaying severe BPSD, focusing on how prescriptions change over time.

METHODS

Medical charts at Kusakabe Memorial Hospital were retrospectively reviewed from October 2012 to September 2021. The study included patients diagnosed with dementia, admitted for BPSD, and were continuing antipsychotics at 3 months of their admission. Antipsychotic dosages were categorized as high (≥300 mg/d), medium (100-300 mg/d), and low (<100 mg/d) based on chlorpromazine equivalents and tracked until 15 months during hospitalization. Binary logistic regression was used to identify factors associated with dosage reductions between months 3 and 6.

RESULTS

This study involved 188 patients, with an average age of 81.2 years, 67% of whom were diagnosed with Alzheimer's dementia. At 3 months, 15.4% were taking high, 44.1% on medium, and 40.4% on low dosages of antipsychotics. The highest average dosage was observed at 3 months, with a subsequent decrease over time. By the 12th month, 20-30% of patients in all dosage categories had stopped their antipsychotic medication. Significant factors for dosage reduction included higher initial doses (OR 1.003, 95%Cl: 1.001-1.006, P=0.01) and male gender (OR 2.481, 95%Cl: 1.251-4.918, P=0.009).

DISCUSSION

A trajectory of antipsychotic dosage in inpatients with severe BPSD has rarely been reported. This research emphasizes the need for personalized strategies in managing long-term pharmacotherapy for this vulnerable group of patients.

Affiliate Stigma among family caregivers of individuals with dementia in China: a cross-sectional study

Background

Affiliate stigma experienced by family caregivers of individuals with dementia may seriously affect home care and prognosis of these patients. This study aimed to explore the levels of perceived affiliate stigma and its influencing factors among family caregivers of patients with dementia in mainland China, which remains a relatively unexplored topic.

Methods

In this cross-sectional study, purposive sampling was used to recruit dementia family caregivers from an online communication group between April and May 2022. A total of 727 eligible caregivers were included and asked to complete the demographic questionnaire, the affiliate stigma scale, and the caregiver burden inventory. Descriptive statistics, independent sample t-test, one-way analysis of variance, Pearson correlation analysis, and multiple linear regression were used to explore the factors that influence perceived affiliate stigma among dementia family caregivers.

Results

The mean score for affiliate stigma of dementia family caregivers was 48.09 ± 16.38 (range: 22-86). Whether there were regular breaks during patient care, time-dependent burden, developmental burden, physical burden, and social burden were significant factors influencing the affiliate stigma of dementia family caregivers.

Conclusion

Dementia family caregivers showed a moderate to high level of affiliate stigma. Those who had regular breaks during patient care, higher time-dependent burden, developmental burden, and physical burden and lower social burden exhibited higher levels of affiliate stigma.

Correlates of Sleep Disturbance Experienced by Informal Caregivers of Persons Living with Dementia: A Systematic Review

OBJECTIVES

This study aims to comprehensively review and update the literature concerning the correlates of sleep disturbance among caregivers of persons living with Alzheimer's disease and related dementias to identify gaps in the literature and antecedent targets for interventions.

METHODS

We searched PubMed, CINAHL, PsycINFO, and Embase using terms related to "sleep," "caregiver," and "dementia."

RESULTS

Thirty-six articles were included in this review. Based on the antecedents within the 3P model of insomnia, predisposing factors associated with caregiver sleep included caregiver demographics, and physiological factors like genotype and biomarkers. Precipitating factors related to caregiver sleep included caregiving status and responsibilities, and person living with dementia factors.

CONCLUSIONS

Sleep disturbance is a significant issue for caregivers of persons living with dementia. However, this review has identified multiple precipitating factors that are modifiable targets for interventions to improve or enhance caregiver sleep.

CLINICAL IMPLICATIONS

Numerous predisposing and precipitating factors contribute to caregivers of persons living with dementia being susceptible to sleep disturbance. Healthcare providers should ask patients about their caregiving status during annual visits. Healthcare providers should also evaluate caregivers' sleep patterns, and the predisposing and precipitating factors of sleep disturbance, with a focus on the modifiable factors, to enable timely intervention.

Effectiveness of Non-Pharmacological Interventions for Dementia among the Elderly: A Randomized Controlled Trial

(1) Background: Up until now, there is still no medicine that can cure dementia, but there are some that can only help slow down the progression of the disease and reduce some symptoms. Pharmacological interventions for dementia have many side effects and are expensive, so non-pharmacological treatments for dementia become more urgent. This study aimed to evaluate the effectiveness of multifactorial non-pharmacological interventions in dementia patients; (2) Methods: This is a randomized controlled trial conducted in Hai Duong from July 2021 to December 2022. Selected subjects included 88 patients diagnosed with very mild, mild, and moderate dementia, of whom 44 patients were assigned to the intervention group and 44 patients to the control group; (3) Results: For the effectiveness of the non-pharmacological multifactorial intervention on depression severity: in the intervention group, the GDS 15 depression score decreased from 4.8 to 2.9, while, in the control group, the GDS 15 depression score increased by 1.3 points after six months of no intervention. For the effect of the non-pharmacological multifactorial intervention on the level of sleep disturbance, in the intervention group, the PSQI sleep disturbance score decreased by nearly half (from 10.2 to 5.6), while, in the control group, this trend was not clear. For the effect of the non-pharmacological multifactorial intervention on daily functioning: in the intervention group, the ADL and IADL scores improved (1.02 ± 1.32 and 1.23 ± 1.75), while, in the control group, the ADL and IADL scores decreased (0.93 ± 1.2 and 0.98 ± 2.19). For the effect of the non-pharmacological multifactorial intervention on quality of life: in the intervention group, the EQ-5D-5L scores improved (0.17 ± 0.19), while, in the control group, the EQ-5D-5L scores decreased (0.20 ± 0.30); (4) Conclusions: Non-pharmacological multifactorial interventions, including physical activity, cognitive training, listening to educational lectures, and organizing miniature social models, have been shown to improve mental health, self-control, and quality of life.

Adapted problem adaptation therapy for depression in mild to moderate Alzheimer's disease dementia: A randomized controlled trial

INTRODUCTION

Trials of effectiveness of treatment options for depression in dementia are an important priority.

METHODS

Randomized controlled trial to assess adapted Problem Adaptation Therapy (PATH) for depression in mild/moderate dementia caused by Alzheimer's disease.

RESULTS

Three hundred thirty-six participants with mild or moderate dementia, >7 on Cornell Scale for Depression in Dementia (CSDD), randomized to adapted PATH or treatment as usual. Mean age 77.0 years, 39.0% males, mean Mini-Mental State Examination 21.6, mean CSDD 12.9. For primary outcome (CSDD at 6 months), no statistically significant benefit with adapted PATH on the CSDD (6 months: -0.58; 95% CI -1.71 to 0.54). The CSDD at 3 months showed a small benefit with adapted PATH (-1.38; 95% CI -2.54 to -0.21) as did the EQ-5D (-4.97; 95% CI -9.46 to -0.48).

DISCUSSION

An eight-session course of adapted PATH plus two booster sessions administered within NHS dementia services was not effective treatment for depression in people with mild and moderate dementia. Future studies should examine the effect of more intensive and longer-term therapy.

Correlation of behavioral and psychological symptoms of dementia with patients' sociodemographic & clinical details and caregivers' distress

Background

Behavioral and psychological symptoms of dementia (BPSD) influence dementia care significantly. BPSD can be affected by factors related to the patient's illness and socio-cultural background.

Aim

This study aimed to find a relationship between BPSD with patients' socio-demographic and clinical profiles and their caregivers' distress in a tertiary care center.

Materials and Methods

In this hospital-based cross-sectional study, the purposive sampling technique was used to select 100 dementia patients. A comprehensive record of socio-demographic and clinical details was made on a self-prepared semi-structured data sheet. The Neuropsychiatric Inventory Questionnaire was the principal tool to find the BPSD and related caregivers' distress.

Results

The sample comprised predominantly Hindu (91%) male patients (66%) with Alzheimer's dementia (76%) coming from rural backgrounds (74%) and joint familial systems (96%), with a mean age of 71.77 ± 7.41 years. Patients' main caregivers were their children/children-in-law (65%). The severity of an overall BPSD and its variable individual domains were directly related to the duration of dementia, patients' age, their cognitive decline, and related decline in activities of living, as well as their caregivers' distress. In comparison to Alzheimer's disease patients, those with other dementia types had more impairment in cognitive functions and activities of daily living and they had a higher number and severity of BPSD.

Conclusion

The advancing age, increased duration of dementia, and decline in cognition and related activities of daily living of the patients, as well as their caregivers' distress, are important correlates of BPSD. The findings are essential for the better management of dementia patients.

Psychobiological effects of an eHealth psychoeducational intervention to informal caregivers of persons with dementia: a pilot study during the COVID-19 pandemic in Italy

BACKGROUND

The workload associated with caring for a person with dementia (PwD) could negatively affect informal caregivers' physical and mental health. According to the recent literature, there is a need for studies testing the implementation of affordable and accessible interventions for improving caregivers' well-being.

AIMS

This study aimed to explore the feasibility and effectiveness of an 8 week eHealth psychoeducation intervention held during the COVID-19 pandemic in Italy in reducing the psychological burden and neuroendocrine markers of stress in caregivers of PwD.

METHODS

Forty-one informal caregivers of PwD completed the eHealth psychoeducation intervention. Self-reported (i.e., caregiver burden, anxiety symptoms, depressive symptoms, and caregiver self-efficacy) and cortisol measurements were collected before and after the intervention.

RESULTS

Following the intervention, the caregivers' self-efficacy regarding the ability to respond to disruptive behaviours improved (t = - 2.817, p = 0.007), anxiety and burden levels decreased (state anxiety: t = 3.170, p = 0.003; trait anxiety: t = 2.327, p = 0.025; caregiver burden: t = 2.290, p = 0.027), while depressive symptoms and cortisol levels did not change significantly. Correlation analyses showed that the increase in self-efficacy was positively associated with the improvement of caregiver burden from pre- to post-intervention (r = 0.386, p = 0.014). The intervention had a low rate of dropout (n = 1, due to the patient's death) and high levels of appreciation.

DISCUSSION

The positive evidence and participation rate support the feasibility and effectiveness of the proposed eHealth psychoeducational intervention to meet the need for knowledge of disease management and possibly reduce detrimental effects on caregivers' psychological well-being.

CONCLUSION

Further placebo-controlled trials are needed to test the generalizability and specificity of our results.

Unique contributions of specific neuropsychiatric symptoms to caregiver burden in informal caregivers family members of patients with dementia

INTRODUCTION

We aimed to evaluate how the presence of individual neuropsychiatric symptoms in non-institutionalised patients with dementia is associated with caregiver burden of their informal caregivers, family members.

METHODS

We performed a cross-sectional study on a total of 131 pairs of one informal caregiver family member and non-institutionalised patient with dementia in a family medicine practices in a city of Zagreb, Croatia. Caregiver measures included Zarit Burden Interview (ZBI) whereas patient measures included Mini mental state examination (MMSE), Barthel index and Neuropsychiatric Inventory Questionnaire (NPI-Q).

RESULTS

Total NPI-Q score explained 21% of overall burden. In order of strength of the association, after adjustments for age, sex, MMSE and Barthel index, overall burden was significantly associated with higher NPI-Q scores for agitation/aggression, apathy/indifference, irritability/lability, disinhibition, motor disturbance, appetite/eating, depression/dysphoria, anxiety, elation/euphoria and nighttime behaviours. When evaluating mutually independent contribution of unique NPI-Q symptoms to caregiver burden, agitation/aggression and apathy/indifference remained only two mutually independently associated symptoms, each explaining 5% of overall burden in this context.

CONCLUSIONS

Informal caregivers who provide for family members with dementia suffering from agitation/aggression or apathy/indifference should be recognised as under special risk for the development of caregiver burden and considered as candidates for early targeted interventions.

The effectiveness of a therapeutic robot, 'Paro', on behavioural and psychological symptoms, medication use, total sleep time and sociability in older adults with dementia: A systematic review and meta-analysis

OBJECTIVE

To evaluate the effectiveness of a therapeutic robot, 'Paro', on anxiety, agitation, depression, apathy, medication use, total sleep time, and sociability among older adults with dementia.

DESIGN

Systematic review and meta-analysis with narrative synthesis.

SETTING AND PARTICIPANTS

Older adults aged 60 years and above with any form of dementia in the community, nursing homes, or care facilities.

METHODS

A three-step search strategy was conducted by two independent reviewers. Nine databases were searched (January 2003 to November 2022). Randomised controlled, crossover, and cluster trials on Paro for older adults with dementia published in English were included. All relevant trials were screened and assessed for risk of bias. Data were extracted using the Cochrane data collection form. The Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) was used to assess the quality of evidence.

RESULTS

In total, 12 articles involving 1461 participants were included. Results of the meta-analysis showed that Paro had a moderate effect on medication use (SMD: -0.63) and small effect on anxiety (SMD: -0.17), agitation (SMD: -0.27) and depression (SMD: -0.40). However, Paro exhibited negligible effect on total sleep time (SMD: -0.12). The overall quality of evidence for all outcomes were graded as low due to methodological limitations, small sample size, and wide confidence intervals. Narrative synthesis suggested that Paro reduced apathy and increase sociability.

CONCLUSION AND IMPLICATIONS

Paro could be a beneficial non-pharmacological approach to improve behavioural and psychological symptoms of dementia, reducing medication use, and increasing sociability for older adults with dementia. However, the results should be interpreted with caution as limited studies were available. Additionally, there were a variety of approaches across the studies (i.e. group and individual interventions, facilitated and non-facilitated) which made it difficult to determine which interventional approach is optimal to produce beneficial effects of Paro. Hence, more rigorous studies with a larger sample size are needed to fully understand the mechanism and effectiveness of Paro in older adults with dementia. The protocol was registered on PROSPERO (CRD42022296504).

Burden in caregivers of primary care patients with dementia: influence of neuropsychiatric symptoms according to disease stage (NeDEM project)

BACKGROUND

Caregiver burden is related to personal factors and patient characteristics and is greater when neuropsychiatric symptoms (NPSs) are present.

OBJECTIVE

Estimate the prevalence of burden among caregivers of dementia patients and its association with NPSs and identify NPSs causing greater caregiver distress according to dementia stage.

METHODS

A cross-sectional observational study in caregivers of noninstitutionalized dementia patients was conducted. Caregiver variables were sociodemographic, time of care, NPS-associated distress based on the Neuropsychiatric Inventory Caregiver Distress Scale (NPI-D) and burden based on the Zarit Burden Interview (ZBI). Patient variables were time since disease onset, Global Deterioration Scale (GDS) disease stage, functional assessment and NPS presence and intensity according to the Neuropsychiatric Inventory (NPI). The mean ZBI score, prevalence of burden and NPI-D score with 95% CIs at each dementia stage were estimated. Factors associated with burden were identified by multivariate analysis.

RESULTS

Of the 125 caregivers included, 77.6% were women, with a mean age of 60.7 (± 14.3) years; 78.4% (95%CI: 71.0; 86.0) experienced burden. The mean ZBI score was 12.3 (95%CI: 11.6; 12.9) and increased according to NPS number (p = 0.042). The NPSs causing the most burden were disinhibition (93.5%), irritability (87.3%) and agitation (86.1%). Agitation, apathy, and sleep disorders were the NPSs generating the greatest overall caregiver distress; depression (max NPI-D 1.9), hyperactivity (max NPI-D 2.1), and psychosis symptoms (max NPI-D 1.6) generated the greatest distress at stage GDS 3, stages GDS 4-5, and stages GDS 6-7, respectively. The NPI score (OR = 1.0, 95%CI 1.0; 1.1), intensity of irritability (OR = 1.2, 95%CI 1.0; 1.6), disinhibition (OR = 2.6, 95%CI 1.1; 5.8) and hyperactivity subsyndrome (OR = 1.1, 95%CI 1.0; 1.2) were associated with caregiver burden. Other associated factors were female gender (OR = 6.0, 95%CI 1.6; 22.8), ≥ 8 h daily care (OR = 5.6, 95%CI 1.4; 22.8), working outside the home (OR = 7.6, 95%CI 1.8; 31.8), living with the patient (OR = 4.5, 95%CI 1.1; 19.6), kinship (OR = 5.4, 95%CI 1.0; 28.2) and lower patient education (OR = 8.3, 95%CI 2.3; 30.3).

CONCLUSIONS

The burden on caregivers of dementia patients is high and associated with NPS presence and intensity. Disinhibition and irritability caused the highest burden. Depression, hyperactivity and psychosis produce more distress in mild, mild-moderate and severe dementia, respectively.

Confidence in dementia care and care approach toward dementia among the nursing staff in long-term care facilities in China: a cross-sectional survey

Background

Confidence and appropriate care approach toward dementia among nursing staff (nurses and care assistants) are crucial manifestations of competency to deal with the complexity of dementia care in long-term care facilities (LTCFs). The purpose of this study was to investigate the confidence in dementia care and care approach among nursing staff in LTCFs in mainland China.

Methods

A cross-sectional study design was utilized in LTCFs in Shandong Province, mainland China. A convenient sample included of 317 nursing staff drawn from 15 LTCFs. Survey questions included (a) demographics, (b) dementia knowledge, (c) dementia care confidence, and (d) approach to care for people with dementia. Data were analyzed with descriptive statistics. Factors associated with confidence and care approach for people with dementia were examined using Pearson's correlation and multivariate regression analyses.

Results

Dementia care confidence was generally moderate. Factors affecting confidence to care for people with dementia included educational level, months of caring dementia patients, and dementia knowledge. Most nursing staff did not use a person-centered care approach which was significantly associated with their age, dementia-learning experience, and knowledge and confidence toward caring for people with dementia.

Conclusion

A positive correlation was identified between confidence to care for people with dementia and nursing staff care approach. Clinical recommendations are provided to further develop education strategies tailored for nursing staff to meet the growing demand for dementia care services.

Case Management-based Collaborative Care Model Associated with improvement in neuropsychiatric outcomes in community-dwelling people living with dementia

BACKGROUND

This study aimed to explore the association between adherence of collaborative care model and short-term deterioration of BPSD after controlling patient and caregiver factors.

METHODS

This retrospective case-control study enrolled 276 participants who were newly diagnosed with dementia and BPSD. A dementia collaborative care team interviewed patients and caregivers to form a care plan and provided individualized education or social resource referrals. A multivariate logistic regression model with backward selection was used to test factors associated with BPSD deterioration, defined as worse neuropsychiatric inventory (NPI) scores 1 year after joining the care model.

RESULTS

Male sex (odds ratio [OR] = 0.45; 95% confidence interval [CI] = 0.25-0.84) and higher clinical dementia rating scale sum of boxes scores (CDR-SOB) (OR = 0.90; 95% CI = 0.83-0.98) were protective factors, whereas spouse caregivers and withdrawals from the care model (OR = 3.42; 95% CI = 1.28-9.15) were risk factors for BPSD deterioration.

CONCLUSIONS

Our study showed that both patient and caregiver factors were associated with deterioration of BPSD. The case manager-centered dementia collaborative care model is beneficial for the management of BPSD. Healthcare systems may consider implementing a case management model in clinical dementia care practice.

Agitation and aggression in people living with dementia and mild cognitive impairment in shared-housing arrangements - validation of a German version of the Cohen-Mansfield Agitation Inventory-Short Form (CMAI-SF)

BACKGROUND

The Cohen-Mansfield Agitation Inventory-Short Form (CMAI-SF) is a 14-item scale for assessing agitation and aggression, derived from the original 29-item CMAI, and completed by a proxy. Because the CMAI-SF has not yet been validated in German language, the aim of this study is to explore its construct validity.

METHODS

Baseline data from a cluster-randomized trial to evaluate a non-pharmacological complex intervention for people living with dementia (PlwD) and mild cognitive impairment (MCI) were analyzed. The study sample consisted of 97 shared-housing arrangements (SHAs) in Germany, comprising N = 341 residents with mild to severe dementia and MCI. Trained nursing staff collected data by proxy-rating the CMAI-SF, Neuropsychiatric Inventory-Nursing Home Version (NPI-NH), and QUALIDEM. They also conducted the Mini-Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA).

RESULTS

In an exploratory factor analysis, three factors emerged: "aggressive behavior", "verbally agitated behavior", and "physically non-aggressive behavior". The CMAI-SF total score showed good internal consistency (α = .85), and the factors themselves showed adequate internal consistency (α = .75/.76/.73). The CMAI-SF showed convergent validity with the NPI-NH agitation item (r = .66) and the NPI-NH "agitation & restless behavior" factor (r = .82). Discriminant validity was confirmed by a low (r = .28) correlation with the NPI-NH apathy item. Quality of life decreased significantly with agitation, as the CMAI-SF showed a moderate negative correlation with the QUALIDEM total score (r = -.35).

CONCLUSIONS

The 14-item CMAI-SF is a time-efficient, reliable, and valid assessment instrument. Three factors emerged that were similar to those already found in nursing home samples for the original CMAI and the CMAI-SF and in day care samples for the CMAI-SF. The findings provide preliminary evidence that the CMAI-SF can be used instead of the CMAI to reduce time, costs, and burden in future trials.

TRIAL REGISTRATION

The DemWG study from which data were used to draft this manuscript was prospectively registered on 16 July 2019 at ISRCTN registry (ISRCTN89825211).

Machine learning-based predictive models for the occurrence of behavioral and psychological symptoms of dementia: model development and validation

The behavioral and psychological symptoms of dementia (BPSD) are challenging aspects of dementia care. This study used machine learning models to predict the occurrence of BPSD among community-dwelling older adults with dementia. We included 187 older adults with dementia for model training and 35 older adults with dementia for external validation. Demographic and health data and premorbid personality traits were examined at the baseline, and actigraphy was utilized to monitor sleep and activity levels. A symptom diary tracked caregiver-perceived symptom triggers and the daily occurrence of 12 BPSD classified into seven subsyndromes. Several prediction models were also employed, including logistic regression, random forest, gradient boosting machine, and support vector machine. The random forest models revealed the highest area under the receiver operating characteristic curve (AUC) values for hyperactivity, euphoria/elation, and appetite and eating disorders; the gradient boosting machine models for psychotic and affective symptoms; and the support vector machine model showed the highest AUC. The gradient boosting machine model achieved the best performance in terms of average AUC scores across the seven subsyndromes. Caregiver-perceived triggers demonstrated higher feature importance values across the seven subsyndromes than other features. Our findings demonstrate the possibility of predicting BPSD using a machine learning approach.

Differences in the longitudinal change of behaviours related to dementia in long-term care: a growth mixture modelling approach

BACKGROUND

There is still a need for more information about the different trajectories of responsive behaviours that people living with dementia present in long-term care homes (LTC).

OBJECTIVE

This study identified subgroups of individuals with similar trajectories of responsive behaviours related to dementia in LTC and evaluated the role of demographic variables, depressive symptomatology, social engagement, cognitive functioning, and activities of daily living (ADL) on class membership.

METHODS

Growth mixture models were run using data from the Continuing Care Reporting System.

RESULTS

Results suggest that change in responsive behaviours is best represented by seven classes of trajectories. The largest class was composed of individuals who presented the lowest frequency of behaviours upon entry in LTC that increased at a slow linear rate. The other classes were composed of individuals who presented different frequencies of behaviours upon entry in LTC and varying rates of change (e.g., individuals who presented a low frequency of behaviours upon entry in LTC that increased at a linear rate followed by a decrease in the later months, individuals who presented a high frequency of responsive behaviours upon entry in LTC and that remained stable). Cognitive functioning, social engagement, depressive symptomatology, and ADL were markers of class membership.

CONCLUSIONS

These findings can help identify individuals at increased risk of presenting a high frequency of responsive behaviours and highlight interventions that could decrease behaviours in LTC.

Effects of acceptance and commitment therapy on cognitive function: A systematic review

Cognitive function is essential for daily activities. Acceptance and commitment therapy (ACT) may improve cognitive function by enhancing psychological flexibility, but the underlying mechanism is unknown. This systematic review evaluated the effectiveness of ACT on cognitive function. Seven research databases (PubMed, ProQuest Dissertations and Theses, Web of Science, EBSCOhost, CNKI, Scopus, Wanfang) were searched to collect articles with trials published in English and Chinese. After applying inclusion and exclusion criteria, we identified 12 studies published between 1994 and 2022 that included a combined total of 904 participants. Among the included studies were within-group (N = 3) and randomized controlled trial (RCT, N = 9) study designs. Outcome measures included cognitive scales and behavioral measurements. Of the 12 articles, 10 studies showed improvements in certain domains of cognitive function due indirectly to ACT intervention. We found that the ability of ACT intervention to promote psychological flexibility is due to its transdiagnostic nature. Also, the effects of the ACT intervention were observed in multiple cognitive domains: attention, subjective cognitive function, executive function, and memory. In conclusion, cognitive trainers could consider practicing ACT as part of their strategy to enhance an individual's psychological flexibility and cognitive function.

Perceptions of community members in Australia about the risk factors, symptoms and impacts of dementia: A cross-sectional questionnaire study

OBJECTIVES

Ensuring that the Australian public has an accurate understanding of the characteristics of dementia may assist in improving timely detection of dementia. This cross-sectional questionnaire study aimed to examine community members' perceptions of the risk factors, symptoms and impacts of dementia.

METHODS

Participants were recruited from outpatient units at a major regional hospital and were aged at least 18 years, a patient or an accompanying support person, did not have a dementia diagnosis, had sufficient English knowledge and were well enough to complete a survey. Participants completed a web-based survey on a touchscreen computer including items exploring knowledge of dementia risk factors, symptoms and perceived impacts if they or a loved one had dementia. Counts and proportions were calculated and perceived impacts of dementia were compared for self versus loved one using a χ2 test.

RESULTS

Of 353 eligible individuals approached, 208 consented and were included in the study. Between 30% and 61% (n = 62-127) of participants believed modifiable factors such as high alcohol consumption and high blood pressure were associated with increased risk of dementia. While a majority of participants (87-96%; n = 164-181) identified memory-related symptoms, less than one-third recognised behavioural symptoms. Participants were more likely to identify emotional and practical impacts compared to physical or social impacts as most difficult if they or a loved one had dementia.

CONCLUSIONS

There remains a need for increased community education to address knowledge gaps regarding modifiable risk factors, behavioural symptoms and potential impacts of dementia on the individual diagnosed and their carers.

Behavioral and Psychological Symptoms of Dementia: Prevalence, Symptom Severity, and Caregiver Distress in South-Western Uganda-A Quantitative Cross-Sectional Study

The purpose of the study was to investigate behavioral and psychological symptoms (BPSD) prevalence, severity, and distress experienced by caregivers of people living with dementia (PLWD). A cross-sectional, population-based study was conducted in a rural area in southwestern Uganda. A Neuropsychiatric Inventory Questionnaire (NPI-Q) was used to determine the presence of BPSD as perceived by caregivers of PLWD. We carried out both descriptive and inferential data analysis. A total of 175 caregivers of PLWD were enrolled in this study. Among PLWD, 99% had presented BPSD in the past month. Hallucinations (75%) and dysphoria/depression (81%) were the two BPSD that occurred most frequently. Most participants (70%) stated that PLWD experienced hallucinations of significant severity. Aberrant motor activity was reported by 60% of the participants as the type of BPSD that caused severe distress. There was a high positive correlation (0.82) between the total severity score and total distress scores. Interventions aimed at addressing dysphoria and hallucinations may be essential for the reduction of caregiver distress. These findings point to the need for promoting early screening for BPSDs and the provision of support to caregivers.

[Treatment of cognitive, behavioral and mental disorders in patients with vascular dementia: results of a multicenter, randomized, double-blind, placebo-controlled clinical trial]

OBJECTIVE

Evaluation of the efficacy and safety of Prospect in the treatment of cognitive, behavioral and mental disorders in patients with vascular dementia (VSD).

MATERIAL AND METHODS

In a double-blind, placebo-controlled, parallel-group randomised clinical trial, 406 patients aged 60-85 years old with a diagnosis of mild/moderate vascular dementia (10-24 on the Mini-Mental State Examination (MMSE)) and without signs of depression (Cornell Scale for Depression in Dementia (CSDD) scores ≤10) were included. At Visit 1, complaints and medical history were collected, vital signs were recorded, cognitive impairment was assessed using MMSE and MoCA, NPI-C and CSDD were completed, and an MRI brain scan was performed. Patients were randomised into two groups: patients in group 1 received Prospekta in a dosage of 2 tablets two times a day for 24 weeks, and patients in group 2 received Placebo according to the study drug regimen.

RESULTS

Patients in both groups had no differences in demographic and baseline clinical characteristics. Administration of Prospekta for 24 weeks reduced cognitive impairment in patients with vascular dementia compared to the placebo group. The mean MoCA score increased from 17.0±3.6 [17.1±3.6] to 20.5±4.7 [20.4±4.7] in patients treated with Prospekta, whereas it increased from 17.3±3.7 [17.3±3.8] to 19.2±4.9 [19.2±5.0] in the Placebo group. Treatment with the medication also reduced the severity of neuropsychiatric symptoms as measured by the NPI-C scale. The mean score on this scale decreased from 57.0±26.7 [56.7±25.4] to 39.8±23.6 [39.8±23.5] in the Prospekta group and from 55.5±25.5 [55.3±24.4] to 42.8±27.6 [42.3±25.3] in the Placebo group. The difference in mean MoCA and NPI-C scores between the Prospekta and Placebo groups was statistically significant.

CONCLUSION

Prospekta is an effective and safe drug for treating cognitive, behavioural and mental disturbances in patients with vascular dementia.

Association between behavioural and psychological symptoms of dementia and residence status in patients with Alzheimer's disease

BACKGROUND

Examining the relationship between the behavioural and psychological symptoms of dementia (BPSD) and residence status is crucial to improving BPSD and reducing the burden on caregivers. However, studies on how BPSD differ between individuals living at home and those in institutional settings are lacking. We conducted a questionnaire survey among healthcare providers (HCPs) involved in dementia care and nursing to clarify the characteristics of BPSD by residence status in patients with Alzheimer's disease (AD) living at home or in facilities.

METHODS

We sent questionnaires to HCPs and asked them to answer questions on up to five cases that needed treatment for BPSD and who received long-term care insurance services from 1 April 2016 to 31 March 2017. Responses were received for 371 cases, of which 130 diagnosed with AD were analyzed. The patients were divided into two groups: patients with AD living at home (home care group) and patients with AD living in facilities (facility care group). A Chi-square test was used to identify differences between the two groups. A binomial logistic regression analysis was also conducted to clarify the association between residence status and BPSD.

RESULTS

Of the 130 patients, 72 lived at home (home care group) and 58 resided in facilities (facility care group). None of the background factors was significantly different between the two groups. The Chi-square test indicated that sleep disturbance was significantly more common in the facility care group (60.3% in the facility care group vs. 33.3% in the home care group, P = 0.003), while the logistic regression analysis indicated that sleep disturbance was significantly associated with residence status (odds ratio: 2.529, P = 0.038).

CONCLUSIONS

Sleep disturbances were more frequently observed among patients with AD living in institutions than among those living in their homes.

Applying Apriori algorithm to explore long-term care services usage status-Variables based on the combination of patients with dementia and their caregivers

Purpose

The aim of this study was to identify the combination of patients with dementia and their caregivers' characteristics associated with long-term care (LTC) services usage.

Patients and methods

A cross-sectional study was conducted with 475 patients with mild, moderate, and severe dementia at Changhua Christian Hospital, Taiwan. Eleven types of variables from patients with dementia, nine types of variables from patients' caregivers, and 15 types of LTC services were used for this study. The Apriori algorithm was employed to identify the attributes from the patients and their caregivers who used a particular LTC service from a comprehensive viewpoint.

Results

A total of 75 rules were generated by the Apriori algorithm with support of 2%, confidence of 80%, and lift >1. Among these rules, 25 rules belonged to home personal care services which were summarized further into four general rules for home personal care services. On the other hand, 50 rules belonged to assistive devices that were summarized further into 21 general rules based on their similarities. Patient's walking ability, patient's emotional liability, unemployed or retired caregivers, caregivers' feelings with either helplessness or hopelessness, and caregivers who cared for patients with dementia solely were found to be the critical variables to use home personal care services. In contrast, patient's walking ability, age, and severity as well as caregivers' age, mood, marital status, caregiving burden, and the patient being cared for mainly by a foreign care helper were found to be the critical variables to use assistive devices.

Conclusion

This study showed preliminary results on the LTC service usage from patients with dementia and their caregivers residing in the community. Understanding the patient-caregiver dyad's profile leads the service providers, policymakers, and the referral team to tailor service provisions better to meet the needs and identify the potential target groups. The findings in this study serve as references to reduce caregivers' burden as well as to improve the quality of care for patients with dementia.

Is Living with Persons with Dementia and Depression Correlated to Impacts on Caregivers? A Scoping Review

Caregivers of persons with dementia and depression experience adverse effects associated with their role. The aim of this scoping review was to identify the challenges faced by caregivers of people with dementia and depression, along with interventions to support them. The MEDLINE®, Embase and PsycINFO databases were searched using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) method. Grey literature was assessed using the Canadian Agency for Drugs and Technologies in Health's Gray Matter tool.The population consisted of caregivers of people with dementia and depression; the concept was to identify the negative impacts that caregivers experience and whether there are interventions to reduce them; the context was any study design targeting family or friends who were caregivers. A total of 12,835 citations were identified; 139 studies were included. Dementia and depression have variable impacts on outcomes experienced by caregivers, including burden/strain (n = 52), depression (n = 27), distress (n = 53), quality of life (n = 5) and health/well-being (n = 9). Pharmacological and non-pharmacological interventions have mixed effects. This study is important considering that depression in people with dementia is associated with caregiver distress. The use of a variety of non-pharmacological interventions could be beneficial to the latter.

Factors Associated with Caregiver Burden in Caregivers of Older Patients with Dementia in Indonesia

This cross-sectional study aimed to identify caregiver burden and its determinants in the informal caregivers of older patients with dementia (PWDs) aged ≥ 60 years in Java, Indonesia. Data were collected from 207 caregivers of older PWDs using self-administered questionnaires. The dependent variable was caregiver subjective burden, assessed using the Zarit Burden Interview (ZBI). The independent variables included the socio-demographic characteristics of PWDs and caregivers, the caregiver's perceived social support, and the behavioural and psychological symptoms of dementia (BPSD). Linear regression with a stepwise elimination method was used to identify the factors associated with caregiver burden. This study found that four factors were associated with the caregiver burden, such as the gender of PWDs, the educational level of caregivers, social support, and BPSD (R-squared = 27.78%). Higher burden was reported among the caregivers of female PWDs (β = 5.58; 95%CI = 2.16; 8.99) and PWDs with higher scores of BPSD (β = 0.34; 95%CI = 0.25; 0.43). Meanwhile, the caregivers with higher perceived social support (β = -0.26; 95%CI = -0.42; -0.10) and who completed high school education and above (β = -6.41; 95%CI = -10.07; -2.74) tended to have lower scores of subjective burden. These findings suggest that BPSD management and maintaining the resources of support may provide an opportunity to minimise caregiver burden and improve the quality of life of caregivers and PWDs.

Sleep Interventions for Informal Caregivers of Persons with Dementia: A Systematic Review

We conducted a systematic review on the state of the science related to sleep interventions for informal caregivers of persons with Alzheimer's disease or related dementia (ADRD). This review included English-written, peer-reviewed articles that studied the effect of an intervention on sleep health outcomes for informal caregivers of persons with ADRD. Our search yielded 15 articles that met our a priori inclusion criteria. We categorized interventions into four categories: environmental, physical, cognitive, and collaborative. Intervention effects were heterogeneous, with most yielding nonsignificant sleep health effects. There is a need for theoretically sound and robust sleep health interventions for informal caregiver samples. Future research in this area could benefit from the use of more controlled, pragmatic, and adaptive research designs, and the use of objective measures that conceptually represent the multiple domains of sleep health to enhance intervention quality.

The Development of an Evidence-Based Telephone-Coached Bibliotherapy Protocol for Improving Dementia Caregiving Appraisal

Caregiving appraisal is the caregivers’ cognitive evaluation of caregiving stressors. It determines the caregiving outcomes and caregiver health. Dementia caregivers have shown relatively negative caregiving appraisals. However, there is a lack of interventions to improve caregiving appraisal. This study describes the multi-phase process of developing and validating an evidence-based bibliotherapy protocol for improving the caregiving appraisal of informal caregivers of people with dementia. Two phases were included in the development: In Phase 1, a series of reviews of theory and evidence were conducted to identify the theoretical underpinnings, the core components, the dosage, and the mode of delivery of evidence-based bibliotherapy. In Phase 2, focus groups consisting of an expert panel of 16 clinicians and academics were used to validate the intervention protocol. Evidence synthesis was used in Phase 1 to formulate a draft intervention protocol. Content analysis was used in Phase 2 to work out the principles to revise the intervention protocol. The validated evidence-based bibliotherapy protocol included eight weekly sessions, and each session targeted improving one aspect of the essential factors that influence caregiving appraisal. This study provided a culturally sensitive and contextually appropriate evidence-based bibliotherapy protocol ready to be tested in a clinical trial.

Trait resilience as a moderator between personality dysfunction and caregiving stress in caregivers of children and adults with developmental disabilities

Background

Long-term care of a relative with a disability is associated with negative consequences on the caregiver's mental health. Therefore, investigating how some personality traits, such as resilience, protect caregivers with dysfunctional personality traits from caregiving stress is necessary. This study examines the moderating role of resilience in the relationship between caregiver's personality dysfunction and care stress.

Methods

A total of 224 family caregivers of children and adults with developmental disabilities participated in this cross-sectional research. They completed self-report measures of resilience, personality dysfunction, and care stress.

Results

The results show that medium and high levels of resilience protect familial caregivers from the adverse effects of personality dysfunction on stress. The relationship is maintained for three of the five dysfunctional personality traits (antagonism, disinhibition, and psychoticism).

Conclusions

From a theoretical point of view, the results show the contribution of the dimensional personality model to the study of caregiving stress. From a practical standpoint, the results can be used to optimise the resilience of familial caregivers, providing them with tools to take better care of their relatives.

A simulated experiment to explore robotic dialogue strategies for people with dementia

Introduction

Persons with dementia (PwDs) often show symptoms of repetitive questioning, which brings great burdens on caregivers. Conversational robots hold promise of helping cope with PwDs’ repetitive behavior. This paper develops an adaptive conversation strategy to answer PwDs’ repetitive questions, follow up with new questions to distract PwDs from repetitive behavior, and stimulate their conversation and cognition.

Methods

We propose a general reinforcement learning model to interact with PwDs with repetitive questioning. Q-learning is exploited to learn adaptive conversation strategy (from the perspectives of rate and difficulty level of follow-up questions) for four simulated PwDs. A demonstration is presented using a humanoid robot.

Results

The designed Q-learning model performs better than random action selection model. The RL-based conversation strategy is adaptive to PwDs with different cognitive capabilities and engagement levels. In the demonstration, the robot can answer a user’s repetitive questions and further come up with a follow-up question to engage the user in continuous conversations.

Conclusions

The designed Q-learning model demonstrates noteworthy effectiveness in adaptive action selection. This may provide some insights towards developing conversational social robots to cope with repetitive questioning by PwDs and increase their quality of life.

Effects of manual massage given by family caregivers for patients with dementia: A preliminary investigation

OBJECTIVES

To explore the effects of a 10-week manual massage intervention given by caregivers of patients with dementia on the behavioral and psychological symptoms of dementia (BPSD) and caregiver burden.

METHODS

Twelve pairs of participants-patients with dementia and their family caregivers-were recruited. Before the intervention, caregivers received a four-hour full body manual massage training course. Thereafter, the caregivers gave a 30-min massage to the patients once a week for a 10-week period. The Cornell Scale for Depression in Dementia, Cohen-Mansfield Agitation Inventory, and Zarit Burden Scale were administered pre- and post-intervention.

RESULTS

Total scores on all questionnaires significantly decreased after the intervention (p < .05). Moreover, two subscale scores of the Cornell Scale for Depression in Dementia-behavioral disturbance and physical signs-reduced significantly (p < .05).

CONCLUSIONS

This study provides preliminary evidence on the benefits of manual massage given by caregivers for the management of BPSD and caregiver burden.

Behavioral and Psychological Symptoms of Dementia in Different Dementia Disorders: A Large-Scale Study of 10,000 Individuals

Background:

The majority of individuals with dementia will suffer from behavioral and psychological symptoms of dementia (BPSD). These symptoms contribute to functional impairment and caregiver burden.

Objective:

To characterize BPSD in Alzheimer’s disease (AD), vascular dementia (VaD), mixed (Mixed) dementia, Parkinson’s disease dementia (PDD), dementia with Lewy bodies (DLB), frontotemporal dementia (FTD), and unspecified dementia in individuals residing in long-term care facilities.

Methods:

We included 10,405 individuals with dementia living in long-term care facilities from the Swedish registry for cognitive/dementia disorders (SveDem) and the Swedish BPSD registry. BPSD was assessed with the Neuropsychiatric Inventory - Nursing Home Version (NPI-NH). Multivariate logistic regression models were used to evaluate the associations between dementia diagnoses and different BPSDs.

Results:

The most common symptoms were aberrant motor behavior, agitation, and irritability. Compared to AD, we found a lower risk of delusions (in FTD, unspecified dementia), hallucinations (FTD), agitation (VaD, PDD, unspecified dementia), elation/euphoria (DLB), anxiety (Mixed, VaD, unspecified dementia), disinhibition (in PDD), irritability (in DLB, FTD, unspecified dementia), aberrant motor behavior (Mixed, VaD, unspecified dementia), and sleep and night-time behavior changes (unspecified dementia). Higher risk of delusions (DLB), hallucinations (DLB, PDD), apathy (VaD, FTD), disinhibition (FTD), and appetite and eating abnormalities (FTD) were also found in comparison to AD.

Conclusion:

Although individuals in our sample were diagnosed with different dementia disorders, they all exhibited aberrant motor behavior, agitation, and irritability. This suggests common underlying psychosocial or biological mechanisms. We recommend prioritizing these symptoms while planning interventions in long-term care facilities.

Development and Psychometric Evaluation of Family Caregivers' Hardiness Scale: A Sequential-Exploratory Mixed-Method Study

Objective

Caring for patients with Alzheimer's disease (AD) is a stressful situation and an overwhelming task for family caregivers. Therefore, these caregivers need to have their hardiness empowered to provide proper and appropriate care to these older adults. From the introduction of the concept of hardiness, few studies have been conducted to assess the hardiness of caregivers of patients with AD. Presumably, one reason for this knowledge gap is the lack of a proper scale to evaluate hardiness in this group. This study was conducted to develop a reliable and valid Family Caregivers' Hardiness Scale (FCHS) to measure this concept accurately among Iranian family caregivers sample.

Methods

This study is a cross-sectional study with a sequential-exploratory mixed-method approach. The concept of family caregivers' hardiness was clarified using deductive content analysis, and item pools were generated. In the psychometric step, the samples were 435 family caregivers with a mean age of 50.26 (SD ± 13.24), and the data were gathered via an online form questionnaire. In this step, the items of the FCHS were evaluated using face and content validity. Then, the factor structure was determined and confirmed using exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) followed by convergent and divergent validity, respectively. Finally, scale reliability, including stability, and internal consistency were evaluated.

Results

The finding revealed that FCHS consists of five factors, namely, "Religious Coping" (5 items), "Self-Management" (6 items), "Empathic Communication" (3 items), "Family Affective Commitment" (3 items), and "Purposeful Interaction" (4 items) that explained 58.72% of the total variance. The results of CFA showed a good model fit. Reliability showed acceptable internal consistency and stability.

Conclusion

Based on the results of the psychometric evaluation of the FCHS, turned out that the concept of hardiness in Iranian family caregivers is a multidimensional concept that is most focused on individual-cultural values, emotional family relationships, and social relationships. The designed scale also has acceptable validity and reliability features that can be used in future studies to measure this concept in family caregivers.

Predicting neuropsychiatric symptoms of persons with dementia in a day care center using a facial expression recognition system

BACKGROUND

Behavioral and psychological symptoms of dementia (BPSD) affect 90% of persons with dementia (PwD), resulting in various adverse outcomes and aggravating care burdens among their caretakers. This study aimed to explore the potential of artificial intelligence-based facial expression recognition systems (FERS) in predicting BPSDs among PwD.

METHODS

A hybrid of human labeling and a preconstructed deep learning model was used to differentiate basic facial expressions of individuals to predict the results of Neuropsychiatric Inventory (NPI) assessments by stepwise linear regression (LR), random forest (RF) with importance ranking, and ensemble method (EM) of equal importance, while the accuracy was determined by mean absolute error (MAE) and root-mean-square error (RMSE) methods.

RESULTS

Twenty-three PwD from an adult day care center were enrolled with ≥ 11,500 FERS data series and 38 comparative NPI scores. The overall accuracy was 86% on facial expression recognition. Negative facial expressions and variance in emotional switches were important features of BPSDs. A strong positive correlation was identified in each model (EM: r = 0.834, LR: r = 0.821, RF: r = 0.798 by the patientwise method; EM: r = 0.891, LR: r = 0.870, RF: r = 0.886 by the MinimPy method), and EM exhibited the lowest MAE and RMSE.

CONCLUSIONS

FERS successfully predicted the BPSD of PwD by negative emotions and the variance in emotional switches. This finding enables early detection and management of BPSDs, thus improving the quality of dementia care.

Factors Associated With Behavioral and Psychological Symptoms of Dementia: Prospective Observational Study Using Actigraphy

BACKGROUND

Although disclosing the predictors of different behavioral and psychological symptoms of dementia (BPSD) is the first step in developing person-centered interventions, current understanding is limited, as it considers BPSD as a homogenous construct. This fails to account for their heterogeneity and hinders development of interventions that address the underlying causes of the target BPSD subsyndromes. Moreover, understanding the influence of proximal factors-circadian rhythm-related factors (ie, sleep and activity levels) and physical and psychosocial unmet needs states-on BPSD subsyndromes is limited, due to the challenges of obtaining objective and/or continuous time-varying measures.

OBJECTIVE

The aim of this study was to explore factors associated with BPSD subsyndromes among community-dwelling older adults with dementia, considering sets of background and proximal factors (ie, actigraphy-measured sleep and physical activity levels and diary-based caregiver-perceived symptom triggers), guided by the need-driven dementia-compromised behavior model.

METHODS

A prospective observational study design was employed. Study participants included 145 older adults with dementia living at home. The mean age at baseline was 81.2 (SD 6.01) years and the sample consisted of 86 (59.3%) women. BPSD were measured with a BPSD diary kept by caregivers and were categorized into seven subsyndromes. Independent variables consisted of background characteristics and proximal factors (ie, sleep and physical activity levels measured using actigraphy and caregiver-reported contributing factors assessed using a BPSD diary). Generalized linear mixed models (GLMMs) were used to examine the factors that predicted the occurrence of BPSD subsyndromes. We compared the models based on the Akaike information criterion, the Bayesian information criterion, and likelihood ratio testing.

RESULTS

Compared to the GLMMs with only background factors, the addition of actigraphy and diary-based data improved model fit for every BPSD subsyndrome. The number of hours of nighttime sleep was a predictor of the next day's sleep and nighttime behaviors (odds ratio [OR] 0.9, 95% CI 0.8-1.0; P=.005), and the amount of energy expenditure was a predictor for euphoria or elation (OR 0.02, 95% CI 0.0-0.5; P=.02). All subsyndromes, except for euphoria or elation, were significantly associated with hunger or thirst and urination or bowel movements, and all BPSD subsyndromes showed an association with environmental change. Age, marital status, premorbid personality, and taking sedatives were predictors of specific BPSD subsyndromes.

CONCLUSIONS

BPSD are clinically heterogeneous, and their occurrence can be predicted by different contributing factors. Our results for various BPSD suggest a critical window for timely intervention and care planning. Findings from this study will help devise symptom-targeted and individualized interventions to prevent and manage BPSD and facilitate personalized dementia care.

Dementia Family Carers' Quality of Life and Their Perceptions About Care-receivers' Dementia Symptoms: The Role of Resilience

Aim: The study examined (a) the relationship between caregivers' (CG) quality of life (QoL) and their reports about care receivers' dementia symptoms and (b) whether CG's resilience would be a mediator in this relationship. Method: This was a cross-sectional study based on a purposeful sampling. Face-to-face structured interviews were conducted with 118 CGs (79% females, mean age = 59, SD = 12). CGs provided assessment of their QoL and resilience, and proxy assessments of people with dementia (PwD) symptoms (cognitive functioning, functional activity and behavioural problems (BP)). Results: The BP were the only perceived dementia symptoms associated with the CGs' QoL. CGs' resilience fully mediated the relationship between perceived BP and CGs' QoL. Implications: Tailored training programs designed to improve CGs' QoL should focus on strengthening their personal resources, such as skills to manage the behaviour problems exhibited by PwD and their resilience to adapt to self-perceived behaviour problems common to dementia.

Interaction of caregiver-expressed emotions and neuropsychiatric symptoms in persons with dementia: a longitudinal cohort study

OBJECTIVES

Neuropsychiatric symptoms (NPS) have a major impact in persons with dementia (PwD). The interaction between the caregiver and the person with dementia may be related to the emergence of NPS. The concept of expressed emotion (EE) is used to capture this dyadic interaction. The aim of the present study is to examine longitudinally the association between EE in caregivers and NPS in PwD living at home.

DESIGN

A longitudinal cohort study with 2 years of follow-up.

SETTING

PwD and their informal caregivers living at home in the south of the Netherlands.

PARTICIPANTS

112 dyads of PwD and their caregivers from the MAAstricht Study of BEhavior in Dementia.

MAIN OUTCOME MEASURES

EE was measured at baseline with the Five-Minute Speech Sample and was used to classify caregivers in a low-EE or high-EE group. Associations between EE and neuropsychiatric subsyndromes (hyperactivity, mood and psychosis) measured with the Neuropsychiatric Inventory (NPI) were analysed over time.

RESULTS

Seventy-six (67.9%) caregivers were classified in the low-EE group and 36 (32.1%) in the high-EE group. There was no difference between the EE groups in mean NPI scores over time. In the high-EE group, hyperactivity occurred more frequently than in the low-EE group at baseline (p=0.013) and at the other time points, but the mean difference was not always significant. There were no differences for the mood and psychosis subsyndromes. PwD with caregivers scoring high on the EE subcategory critical comments had an increased risk of institutionalisation (OR 6.07 (95% CI 1.14 to 32.14, p=0.034)) in comparison with caregivers scoring low on critical comments.

CONCLUSIONS

High EE in informal caregivers is associated with hyperactivity symptoms in PwD. This association is likely to be bidirectional. Future studies investigating this association and possible interventions to reduce EE are needed.

Effectiveness and Safety of Aromatherapy in Managing Behavioral and Psychological Symptoms of Dementia: A Mixed-Methods Systematic Review

INTRODUCTION

Behavioral and psychological symptoms of dementia (BPSD) is the most prominent and distressing manifestation for older persons with dementia (PWD) and caregivers. Aromatherapy has demonstrated its effectiveness in managing BPSD in various studies. However, previous studies and systematic reviews have obtained inconsistent findings, and a review of qualitative studies is yet to be conducted.

METHOD

A mixed-methods systematic review with a convergent segregated approach was performed to evaluate the effectiveness of aromatherapy in improving the BPSD and quality of life (QoL) of PWD and in relieving the distress and burden of caregivers, as well as its safety for PWD. Both published and unpublished quantitative and qualitative studies written in English and Chinese between January 1996 and December 2020 were retrieved from 28 databases, including MEDLINE, EMBASE, and Web of Science, based on the prespecified criteria. The methodological quality was assessed by using critical appraisal tools from the Joanna Briggs Institute. Quantitative synthesis, qualitative synthesis, and integration of quantitative and qualitative evidence were performed.

RESULTS

A total of 12 randomized controlled trials, 10 quasi-experimental studies, and 2 qualitative studies were included in the review. Some inconsistent findings regarding the effectiveness of aromatherapy in reducing the severity of BPSD were observed. Some studies reported that aromatherapy significantly improved the QoL of PWD and relieved the distress and burden of caregivers, promoted a positive experience among caregivers, and had very low adverse effects on PWD (with aromatherapy inhalation reporting no adverse effects).

CONCLUSION

Aromatherapy, especially in the inhalation approach, could be a potentially safe and effective strategy for managing BPSD. However, more structuralized and comparable studies with sufficient sample size, adherence monitoring, and sound theoretical basis could be conducted to obtain conclusive findings.

Effectiveness and safety of acupuncture in treating sleep disturbance in dementia patients: A PRISMA-compliant systematic review and limitations of current evidence

BACKGROUND

Dementia is of increasing importance, as it is a major public health problem worldwide. Sleep disturbance is common in dementia patients and may be associated with worse cognitive symptoms or behavioral and psychological symptoms of dementia. Non-pharmacological approaches, such as acupuncture, for treating this clinical condition are gaining importance. This study aimed to comprehensively search and analyze randomized controlled clinical trials (RCTs) of acupuncture in treating sleep disturbance or sleep disorders in dementia patients.

METHODS

A comprehensive search was conducted from 12 electronic databases on December 2, 2020. We included RCTs reporting the effectiveness and safety of acupuncture in treating sleep disorders or disturbance in dementia patients. The methodological quality of the included studies was assessed using the Cochrane Collaboration's risk-of-bias tool.

RESULTS

Five articles with four original RCTs met the inclusion criteria. These studies reported clinical data suggesting that adjuvant acupuncture for hypnotics, and ear acupressure in dementia patients with sleep disorders or sleep disturbance may have clinical benefits in certain sleep-related parameters and total effective rate (TER). Only 1 study reported the safety profile of the intervention, and no acupuncture-related adverse reactions were reported. Some studies compared 2 kinds of acupuncture methods, and found that specific acupuncture methods were superior to conventional acupuncture in improving sleep-related parameters, cognitive function and TER. The methodological quality of the included clinical studies was not high.

CONCLUSIONS

There were limited acupuncture studies on this topic. Given the number of studies included and their sample size, methodological quality, and heterogeneities, clinically relevant conclusions could not be drawn. Further clinical studies are needed in this field considering its urgency and importance.

Novel Therapeutic Approaches for Alzheimer's Disease: An Updated Review

Alzheimer’s disease (AD) is a progressive neurodegenerative disease and accounts for most cases of dementia. The prevalence of AD has increased in the current rapidly aging society and contributes to a heavy burden on families and society. Despite the profound impact of AD, current treatments are unable to achieve satisfactory therapeutic effects or stop the progression of the disease. Finding novel treatments for AD has become urgent. In this paper, we reviewed novel therapeutic approaches in five categories: anti-amyloid therapy, anti-tau therapy, anti-neuroinflammatory therapy, neuroprotective agents including N-methyl-D-aspartate (NMDA) receptor modulators, and brain stimulation. The trend of therapeutic development is shifting from a single pathological target to a more complex mechanism, such as the neuroinflammatory and neurodegenerative processes. While drug repositioning may accelerate pharmacological development, non-pharmacological interventions, especially repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS), also have the potential for clinical application. In the future, it is possible for physicians to choose appropriate interventions individually on the basis of precision medicine.

Differences in Burden Severity in Adult-Child Family Caregivers and Spousal Caregivers of Persons with Dementia

Researchers are continuing to focus on the nature and sources of burden of family caregivers of persons living with dementia. Caregiving stress and burden are assessed and addressed by social workers, including at high-risk times such as hospitalization. This study tested whether adult-child family caregivers experience greater perceived burden than spousal caregivers, accounting for risks of acute stress which can accompany hospitalization for their care recipient, where social workers may be meeting with family caregivers for the first time. Family caregivers (N = 76; n = 42 adult-child; n = 34 spouse) were recruited during care-recipient clinical treatment. The settings of care included an outpatient memory care program and an inpatient geriatric psychiatry service. Results showed that adult-child caregivers reported greater burden as compared with spousal caregivers, but no differences regarding depressive symptoms, perceived stress, or grief. After controlling for demographics and location of care, being an adult-child caregiver remained a predictor of greater burden severity. Being an adult-child family caregiver may place an individual at increased risk for experiencing high burden. These findings suggest socials workers should consider how adult-child caregivers may benefit from strategies to address and reduce burden, beyond those typically offered to spousal caregivers.

Effect of a Music Therapy Intervention Using Gerdner and Colleagues' Protocol for Caregivers and Elderly Patients with Dementia: A Single-Blind Randomized Controlled Study

Music therapy (MT) is considered one of the complementary strategies to pharmacological treatment for behavioral and psychological symptoms (BPSD) of dementia. However, studies adopting MT protocols tailored for institutionalized people with dementia are limited and their usefulness for supporting caregivers is under investigated to date. Our study aimed at evaluating the effects of an MT intervention according to Gerdner and colleagues’ protocol in a sample of 60 elderly people with moderate-to-severe dementia of the Auxologico Institute (Milan, Italy) and associated caregivers, randomly assigned to an Experimental Group (EG) (n = 30) undergoing 30 min of MT two times a week for 8 weeks and to a Control Group (n = 30) (CG) receiving standard care. Before and after the intervention, residents-associated caregivers were administered the Caregiver Burden Inventory (CBI) and the Neuropsychiatric Inventory (NPI). Depression and worry were also assessed in caregivers prior to the intervention, by the Beck Depression Inventory-II and the Penn State Worry Questionnaire, respectively. A mixed model ANCOVA revealed a Time*Group effect (p = 0.006) with regard to CBI decreasing after the intervention for the EG and Time*Group effects (p = 0.001) with regard to NPI_frequencyXseverity and NPI_distress, with a greater effect for the EG than the CG. Implications for MT protocols implementations are discussed.

Caregiver Burden: Caregiving Workshops Have a Positive Impact on Those Caring for Individuals With Dementia in Arkansas

Millions of Americans live with dementia. Caregivers of this population provide countless hours of multifaceted, complex care that frequently cause unrelenting stress which can result in immense burden. However, it is not fully understood what efforts can be made to reduce the stress among caregivers of persons with dementia (PWD). Therefore, the aim of this pretest–posttest designed study was to evaluate changes in caregiver burden after providing an educational intervention to those caring for PWD in Arkansas. Forty-one participants completed the Zarit Caregiver Burden Scale before and after attending a 4-hour dementia-focused caregiving workshop. The analysis of the means, standard deviations, and paired t tests showed that there was an increase in the confidence and competence in caring for PWD 30 to 45 days after attending the workshop. Health care providers need to understand both the vital role caregivers provide in managing a PWD and the importance of the caregiver receiving education about their role as a caregiver. Utilizing caregiver educational programs is a first step.

The Columbia Behavior Scale for Dementia (CBS-8): Validity and Reliability of a Rapidly Administered New Instrument for Dementia-Related Behaviors in Long-Term Care Settings

We developed and evaluated the psychometric properties of the Columbia Behavior Scale for Dementia (CBS-8), a rapid instrument that assesses positive symptoms, to enhance behavioral and psychological symptoms of dementia (BPSD) assessment and treatment in long-term care. Psychometric analyses were performed on CBS-8 data from residents (N = 350, age ≥50 years) in 47 Maryland long-term care facilities referred for neurocognitive and mood evaluation. The CBS-8 demonstrated acceptable internal consistency (α = 0.78) and strong interrater reliability (intraclass correlation coefficient = 1.00). CBS-8 scores were correlated with greater cognitive impairment severity (r = -0.34). The diagnosis of dementia with behavioral disturbance had higher CBS-8 scores than other dementia types (e.g., vascular, unspecified) (p < 0.001, η² = 0.40). Three CBS-8 factors-motor disinhibition, aggression, and psychosis-explained 65% of the variance in overall BPSD. The CBS-8 could enhance BPSD tracking and treatment, strengthen interdisciplinary collaboration, and aid nursing homes in meeting regulations on unnecessary medication use. [Research in Gerontological Nursing, 14(3), 160-168.].

Perceived social support in Chinese family caregivers of patients with dementia

AIM

This study aimed to describe levels of social support and explore the factors predictive of social support for Chinese family caregivers of patients with dementia.

BACKGROUND

Social support levels and their predictive factors in Chinese dementia caregivers have not been well documented, which need to be further clarified to provide a basis for creating effective social support strategies.

METHODS

This was a cross-sectional study with 91 participants who completed a demographic questionnaire and the Social Support Rating Scale from 2015 to 2016.

RESULTS

Chinese family caregivers of patients with dementia received moderate social support. Caregivers' subjective support domain scores and support utilization domain scores were significantly lower than those of the normal Chinese population, whereas caregivers' total social support scores were higher than those of the normal Chinese population. Family caregivers' monthly household income, educational level and place of residence were predictors of their own social support.

CONCLUSION

Social support in Chinese caregivers of patients with dementia needs to be improved, especially the subjective support and support utilization. Healthcare professionals should pay special attention to caregivers with a lower monthly household income and educational level and caregivers who lived in the suburban area.

SUMMARY STATEMENT

What is already known about this topic? Social support is important for family caregivers of patients with dementia. Social support levels and their predictive factors in Chinese dementia caregivers have not been well documented. What this paper adds? Caregivers' subjective support and support utilization were significantly lower than the normal Chinese population; caregivers' total social support was significantly higher than the normal Chinese population. The best predictors of caregivers' social support were the monthly household income, educational level and place of residence of the caregivers. The implications of this paper: Healthcare professionals should pay special attention to caregivers with a lower monthly household income and educational level and caregivers who lived in the suburban area. Future research is needed to create effective nursing regimes, paying attention to caregivers with a lower educational level and caregivers who lived in the suburban area.

Serotonin 2 Receptors, Agomelatine, and Behavioral and Psychological Symptoms of Dementia in Alzheimer's Disease

There are nearly 50 million Alzheimer's disease (AD) patients worldwide, 90% of whom develop behavioral and psychological symptoms of dementia (BPSD), which increase the mortality rate of patients, and impose an economic and care burden on families and society. As a neurotransmitter and neuromodulator, serotonin is involved in the regulation of psychoemotional, sleep, and feeding functions. Accumulating data support the importance of serotonin in the occurrence and development of BPSD. Studies have shown that reduction of serotonin receptors can increase depression and mental symptoms in AD patients. At present, there is no drug treatment for AD approved by the US Food and Drug Administration. Among them, agomelatine, as a new type of antidepressant, can act on serotonin 2 receptors to improve symptoms such as depression and anxiety. At present, research on BPSD is still in the preliminary exploratory stage, and there are still a lot of unknowns. This review summarizes the relationship between serotonin 2 receptors, agomelatine, and BPSD. It provides a new idea for the study of the pathogenesis and treatment of BPSD.