Pre-death grief in Parkinson's caregivers: a pilot survey-based study

Area of Science:

• Neurology
• Psychology
• Gerontology

Background:

• Prolonged grief is linked to adverse outcomes in dementia caregivers.
• Caregiver strain is recognized in Parkinson's disease (PD), but grief remains unexplored.
• Understanding PD caregiver grief may inform future interventions.

Purpose of the Study:

• Evaluate pre-death grief in Parkinson's disease (PD) caregivers.
• Compare non-motor (cognitive decline, depression, hallucinations) versus motor symptoms (mobility fluctuations) for associations with caregiver grief.
• Identify predictors of grief reactions in PD caregivers.

Main Methods:

• 74 volunteer caregivers completed the Marwit and Meuser Caregiver Grief Inventory (MM-CGI-SF).
• Caregivers reported on motor and non-motor symptoms of their PD relatives using UPDRS.
• T-tests and hierarchical regression analyzed grief subscales and symptom associations.

Main Results:

• 17% of caregivers reported significant pre-death grief.
• Higher grief scores correlated with more severe PD symptoms in relatives.
• Non-motor symptoms (14-23% variance) predicted more grief than motor symptoms (11-17% variance).

Conclusions:

• Pre-death grief is a significant issue for Parkinson's disease caregivers.
• Non-motor symptoms, particularly cognitive decline, are key predictors of caregiver grief.
• Both motor and non-motor symptoms contribute to caregiver grief severity.