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Environmental Control Interventions for Frontotemporal Dementia With Reversed Sleep–Wake Cycles

^* To whom correspondence should be addressed. E-mail: miyatabu{at}sahs.med.osaka-u.ac.jp.

	Abstract

Background: This study aimed to evaluate the effectiveness of environmental control interventions using an integrated chip tag monitoring system for a frontotemporal dementia (FTD) patient.

Method: The subject was a male FTD patient (Pick type) with reversed sleep–wake cycles. For a 2-week period, the doors to all patients’ rooms in the unit were kept open as a form of environmental control, and in the following 2 weeks, all doors were kept closed (intervention A). To increase his activity levels, a staff walked with him for 2 weeks (intervention B), while all the doors to patients’ rooms in the unit were kept closed.

Result: In intervention A, daytime ambulation increased, whereas nighttime ambulation decreased significantly. During intervention B, nighttime ambulation increased significantly.

Conclusion: Environmental controls seem to be effective for restoring sleep–wake cycles in even an advanced-stage FTD patient, whereas exercise program by the staff aggravated the problem.

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