Peter Häussermann
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Geriatric Psychiatry in Motion Open
Physical activity is crucial for preventing and treating age-related impairments and mental health conditions in older adults. Structured exercise programs help counteract sedentary behavior and improve well-being. This synthesis reviews c…
Circadian disturbances, anxiety and motor disturbances differentiate delirium superimposed on dementia from dementia-only Open
Background To ensure adequate treatment, individuals with delirium superimposed on dementia (DSD) need to be differentiated reliably from those with dementia only (DO). Therefore, we aimed to examine the clinical indicators of DSD by asses…
Reduced overnight memory consolidation and associated alterations in sleep spindles and slow oscillations in early Alzheimer's disease Open
Spatial navigation critically underlies hippocampal-entorhinal circuit function that is early affected in Alzheimer's disease (AD). There is growing evidence that AD pathophysiology dynamically interacts with the sleep/wake cycle impairing…
Circadian aspects of mobility‐related behavior in patients with dementia: An exploratory analysis in acute geriatric psychiatry Open
Background Analyzing patients' mobility‐related behavior may improve the assessment of motor behavior in dementia, however, few studies addressed circadian aspects of mobility. This cross‐sectional explorative study analyzed the timing of …
Short-term aerobic exercise for depression in acute geriatric psychiatry: study protocol for a randomized controlled trial Open
Background Major depression is one of the main mental illnesses in old age, with acute exacerbated episodes requiring treatment in geriatric psychiatry. A meta-analysis showed that aerobic exercise in moderate intensity has large effects i…
Post-discharge Mortality in Patients With Delirium and Dementia: A 3-Year Follow Up Study Open
Background Delirium and dementia are prominent psychiatric diseases in old age and connected with poor outcomes for people affected. Nevertheless, there is a lack of knowledge concerning the long-term prognosis of patients with dementia an…
Sarcopenia in geriatric psychiatry: feasibility of the diagnostic process and estimation of prevalence within a hospital context Open
Background Sarcopenia is an age‐related progressive and general skeletal muscle disease associated with negative consequences such as falls, disability, and mortality. An early‐stage diagnosis is important to enable adequate treatment, esp…
Quantifying Circadian Aspects of Mobility-Related Behavior in Older Adults by Body-Worn Sensors—An “Active Period Analysis” Open
Disruptions of circadian motor behavior cause a significant burden for older adults as well as their caregivers and often lead to institutionalization. This cross-sectional study investigates the association between mobility-related behavi…
Quantifying Habitual Physical Activity and Sedentariness in Older Adults—Different Outcomes of Two Simultaneously Body-Worn Motion Sensor Approaches and a Self-Estimation Open
Applicable and accurate assessment methods are required for a clinically relevant quantification of habitual physical activity (PA) levels and sedentariness in older adults. The aim of this study is to compare habitual PA and sedentariness…
A retrospective analysis of determinants of involuntary psychiatric in-patient treatment Open
We identified modifiable risk factors for involuntary psychiatric in-patient treatment. This implies that preventive measures may be feasible and should be implemented to reduce the rate of involuntary psychiatric in-patient treatment. Thi…
Prominent physical inactivity in acute dementia care: Psychopathology seems to be more important than the dose of sedative medication Open
Introduction To objectively quantify patients' physical activity and analyze the relationships between physical activity levels, psychopathology, and sedative medication in acute hospital dementia care. Materials and Methods In this cross‐…
Statistical learning of mobility patterns from long-term monitoring of locomotor behaviour with body-worn sensors Open
Long term monitoring of locomotor behaviour in humans using body-worn sensors can provide insight into the dynamical structure of locomotion, which can be used for quantitative, predictive and classification analyses in a biomedical contex…
Sensor-based assessment of mobility-related behavior in dementia: feasibility and relevance in a hospital context Open
The excellent adherence to the assessment protocol compared to wrist-worn actigraphy and the consistency of the sensor-derived analyses with clinical observations are pivotal findings of this study. These results show that it is possible t…