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1.
Article in English | MEDLINE | ID: mdl-29515618

ABSTRACT

OBJECTIVE: Among many cognitive function deficits, memory impairment is an initial and cardinal symptom in Alzheimer disease (AD). In most cases, verbal and visual memory scores correlate highly, but in some cases the deficit of verbal or visual memory is very different from that of the other memory. In this study, we examined the neural substrates of verbal and visual memory in patients with AD. METHODS: One hundred eighty-eight consecutive patients with AD were recruited from outpatient units. Verbal and visual memory scores were evaluated using the Wechsler Memory Scale - revised. The patients underwent brain SPECT with 99mTc-ethylcysteinate dimer. RESULTS: After removing the effects of age, sex, education, and Mini-Mental State Examination scores, correlation analysis showed a significant correlation of verbal memory scores to regional cerebral blood flow (rCBF) in the bilateral cingulate gyrus and left precuneus. Similarly, a significant correlation of visual memory scores to rCBF was found in the right precuneus and right cingulate gyrus. CONCLUSION: The posterior medial cortices (PMC) are very important areas in episodic memory among patients with mild AD. Verbal memory is more closely related to the both sides of the PMC, while visual memory is more closely related to the right PMC.

2.
Psychogeriatrics ; 17(6): 453-459, 2017 Nov.
Article in English | MEDLINE | ID: mdl-29178502

ABSTRACT

BACKGROUND: It is widely supposed that there has been no evidence of increased survival in patients with advanced dementia receiving enteral tube feeding. However, more than a few studies have reported no harmful outcome from tube feeding in dementia patients compared to in patients without dementia. METHODS: This was a retrospective study. Nine psychiatric hospitals in Okayama Prefecture participated in this survey. All inpatients fulfilling the entry criteria were evaluated. All subjects suffered from difficulty with oral intake. Attending physicians thought that the patients could not live without long-term artificial nutrition. The physicians decided whether to make use of long-term artificial nutrition between January 2012 and December 2014. RESULTS: We evaluated 185 patients. Their mean age was 76.6 ± 11.4 years. Of all subjects, patients with probable Alzheimer's disease (n = 78) formed the biggest group, schizophrenia patients (n = 44) the second, and those with vascular dementia (n = 30) the third. The median survival times were 711 days for patients with tube feeding and 61 days for patients without tube feeding. In a comparison different types of tube feeding, median survival times were 611 days for patients with a nasogastric tube and more than 1000 days for those with a percutaneous endoscopic gastrostomy tube. CONCLUSION: Patients with tube feeding survived longer than those without tube feeding, even among dementia patients. This study suggests that enteral nutrition for patients with dementia prolongs survival. Additionally, percutaneous endoscopic gastrostomy tube feeding may be safer than nasogastric tube feeding among patients in psychiatric hospitals.


Subject(s)
Dementia/mortality , Dementia/therapy , Hospitals, Psychiatric , Inpatients/statistics & numerical data , Intubation, Gastrointestinal/methods , Mental Disorders/mortality , Mental Disorders/therapy , Nutritional Status , Aged , Aged, 80 and over , Dementia/diagnosis , Enteral Nutrition , Female , Humans , Japan/epidemiology , Long-Term Care/methods , Male , Mental Disorders/diagnosis , Multivariate Analysis , Proportional Hazards Models , Retrospective Studies , Schizophrenia/diagnosis , Schizophrenia/mortality , Schizophrenia/therapy , Sex Distribution , Survival Analysis , Survival Rate , Treatment Outcome
3.
Int Psychogeriatr ; 28(8): 1355-61, 2016 08.
Article in English | MEDLINE | ID: mdl-27020694

ABSTRACT

BACKGROUND: Quality of life (QOL) has become an important outcome measure in the care of dementia patients. However, there have been few studies focusing on the difference in QOL between different dementias. METHODS: Two-hundred seventy-nine consecutive outpatients with Alzheimer's disease (AD), dementia with Lewy bodies (DLB) or frontotemporal dementia (FTD) were recruited. The QOL was evaluated objectively using the QOL Questionnaire for Dementia (QOL-D).The QOL-D comprises six domains: positive affect, negative affect and actions, communication, restlessness, attachment to others, and spontaneity. General cognition, daily activities, and behavioral and psychological symptoms of dementia were also evaluated. RESULTS: The scores of positive affect of QOL-D of AD patients were significantly higher than those of patients with DLB or FTD (AD 3.1 ± 0.8, DLB 2.6 ± 0.9, FTD 2.6 ± 0.7). The scores of negative affect and action of QOL-D of FTD patients were significantly higher than those of patients with AD or DLB (FTD 2.0 ± 0.8, AD 1.4 ± 0.5, DLB 1.5 ± 0.6). The apathy scores of FTD and DLB patients were significantly higher than those of patients with AD. The disinhibition scores of FTD patients were significantly higher than those of patients with AD or DLB. CONCLUSIONS: The apathy of FTD and DLB patients and depression of DLB patients might affect the lower positive affect of FTD and DLB patients compared to AD patients. The disinhibition of FTD patients might affect the abundance of negative affect & actions in FTD patients compared to AD and DLB patients.


Subject(s)
Affect , Alzheimer Disease/psychology , Dementia/psychology , Frontotemporal Dementia/psychology , Lewy Body Disease/psychology , Quality of Life , Aged , Alzheimer Disease/diagnosis , Dementia/diagnosis , Female , Frontotemporal Dementia/diagnosis , Humans , Lewy Body Disease/diagnosis , Male
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