Effects of walking on sundown syndrome in community-dwelling people with Alzheimer's disease.

BACKGROUND: Sundown syndrome is an important care issue for people with dementia (PwD) and for family caregivers. Walking is a safe and simple physical activity for most PwD, yet no research has explored the effects of different long-term walking periods on sundown syndrome. OBJECTIVES: This study aimed to determine the effects of walking on sundown syndrome, and to identify whether different walking time periods would show different effects on sundown syndrome in community-dwelling people with Alzheimer's disease. METHODS: A quasi-experimental designed study with repeated measurements was conducted. Sixty PwD were recruited and assigned to either the control group or the morning or afternoon walking group according to their caregiver's preference. The participants in the two walking groups completed an average of 120-min walking per week, accompanied by their caregivers. Forty-six achieved the 6-month intervention. Four measurements were taken, one at the pretest and one at weeks 8, 16 and 24. The Chinese version of the Cohen-Mansfield Agitation Inventory, community form (C-CMAI) was used to assess the severity of the sundown syndrome. The generalised estimating equation (GEE) was applied for the longitudinal data analysis. RESULTS: There was a significant change across the study period (p = .048) in the morning walking group, indicating that the score for sundown syndrome decreased when PwD walked in the morning. Considering group effects, compared to the control group, the C-CMAI scores significantly decreased after 16 weeks of walking in the afternoon walking group (p = .001) and after 24 weeks in both the morning and afternoon walking groups (p = .001), indicating that after PwD had walked for 16 weeks, sundown syndrome ameliorated in the afternoon group and continually decreased after 24 weeks in both the morning and afternoon groups. However, there was no significant group difference between the morning and afternoon walking groups during the 24-week walking intervention. CONCLUSIONS: The results indicated that both morning walking and afternoon walking are beneficial for ameliorating the symptoms of sundown syndrome; however, walking in the afternoon may have a faster effect on the symptoms than walking in the morning. Walking is a safe, simple, feasible and effective intervention to benefit individuals with sundown syndrome. IMPLICATIONS FOR PRACTICE: Regularly walking for 30 min a day, four times a week, is beneficial to alleviate sundown syndrome among PwD living in the community. Either morning or afternoon walking is effective for decreasing sundown syndrome, and the longer the walking time, the greater the impact on sundown syndrome.

Sundown Syndrome, Sleep Quality, and Walking Among Community-Dwelling People With Alzheimer Disease.

PURPOSES: Sundown syndrome and sleep disturbances cause people with Alzheimer disease (PAD) and caregivers suffering. Studies have indicated that physical exercise could have a positive impact on sundown syndrome, yet no research has ever explored the relationship between walking and sundown syndrome. The aims of this study were to examine the relationship between sundown syndrome and sleep quality, and determine whether the severity of dementia, sleep quality, and weekly duration of walking influenced sundown syndrome, and to assess differences in sundown syndrome and sleep quality in relation to the accompanying walker and weekly duration of walking among people with Alzheimer disease living in the community. DESIGN: A cross-sectional observation study was conducted. METHODS: A total 184 participants were recruited from dementia outpatient clinics of several hospitals and long-term care resource management centers in southern Taiwan. The Chinese version of the Cohen-Mansfield Agitation Inventory, Community form was used to assess sundown syndrome, and the Chinese version of the Pittsburgh Sleep Quality Index was used to measure sleep quality. Pearson correlation, multiple regression, and 1-way analysis of variance were performed for data analysis. RESULTS: The results indicated that sundown syndrome was significantly correlated with sleep quality (r = 0.374), whereas severity of dementia, sleep quality, and weekly duration of walking were influencing factors of sundown syndrome and accounted for a total of 24.8% of the variance (adjusted R2 = 0.222, F6,177 = 9.709). In addition, PAD who walked with relatives showed less sundown syndrome (F3,180 = 4.435, P = .005) and better sleep quality (F3,180 = 3.565, P = .015) compared with those walking with nonrelatives. Also, longer walking time led to less sundown syndrome (F4,179 = 4.351, P = .002) and better sleep quality (F4,179 = 3.592, P = .008). CONCLUSIONS: Advanced dementia, poor sleep quality, and shorter weekly duration of walking were the influencing factors of sundown syndrome. Walking with relatives and regular longer walking time could improve sleep quality and alleviate sundown syndrome. It is suggested that a well-designed walking intervention considering these factors could be an appropriate strategy to manage sundown syndrome and sleep quality for PAD and their caregivers.

Behavioral Characteristics of Bowel Movement and Urination Needs in Patients With Dementia in Taiwan.

Patients with dementia, especially those with advanced dementia, may not be able to express their bowel movement and urination needs using lucid language, and instead do so through behaviors. The aim of the current study was to understand and compare the behavioral characteristics of bowel movement and urination needs in patients with dementia. Observations were made by caregivers of 187 patients with dementia based on the Behavior Checklist developed by the research team for bowel movement and urination. Sixteen behavioral characteristics were identified for both bowel movement and urination; among these, anxiety, taking off/putting on clothes inappropriately, restlessness, attempting to go elsewhere, scratching skin, repeated behavior, and making strange sounds were commonly reported. Facial expressions of sorrow, restlessness, and anxiety were the three most common behaviors related to bowel movement needs, whereas anxiety, taking off/putting on clothes inappropriately, and constant moaning were the most common behaviors for urination needs. The findings suggest that the common behavioral characteristics could be seen as indicators of excretion need and the others can be used to distinguish between the need for bowel movement and urination.