Only 1/17 studies used a wrist-worn GPS solution, while all others were variously located on the patient. Following deduplication, we screened 1972 papers and retained 17 studies after a full-text review. Disease and GPS-specific vocabulary were searched singly, and then in combination, identifying 3004 papers. We performed a systematic search across five databases to identify papers published since 2000, where wearable or portable GPS was used to monitor mobility in patients with common dementias or mild cognitive impairment (MCI). Global positioning system (GPS) solutions are increasingly used by caregivers to locate missing people with dementia (PwD) but also offer a non-invasive means of monitoring mobility patterns in PwD. Increased sedentary behaviour and, conversely, wandering and becoming lost are common. Disease progression is marked by declining cognitive function accompanied by changes in mobility. Future research would benefit from greater standardisation and harmonisation of reporting which would enable GPS-derived measures of mobility to be incorporated more robustly into clinical trialsĪbstract = "Dementia is the most common neurodegenerative disorder globally. Duration was the most frequently reported category of mobility reported (15/17), followed by out of home (14/17), and stop and trajectory (both 10/17). We characterised the studies using a conceptual framework, finding marked heterogeneity in the number and complexity of reported GPS-derived mobility outcomes. Dementia is the most common neurodegenerative disorder globally.
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