Little is known regarding quality of life (QoL) in dementia with Lewy bodies (DLB), particularly in advanced stages.
Dyads of individuals with moderate–advanced DLB and their primary caregivers were recruited from specialty clinics, advocacy organizations, and research registries. The study collected demographics, disease-related measures, and measures of patient/caregiver experiences.
The Quality of Life in Alzheimer’s Disease (QoL-AD) was completed by the person with DLB and the caregiver (proxy) in 61 dyads; 85 dyads had only a proxy-completed QoL-AD. Patient- and proxy-reported scores were moderately correlated (r = 0.57, P < 0.0001). Worse patient-reported QoL correlated with daytime sleepiness, autonomic symptom burden, and behavioral symptoms. Proxy ratings correlated with dementia severity, daytime sleepiness, behavioral symptoms, dependence in activities of daily living, and caregiver experience measures.
Patient- and proxy-reported quality of life (QoL) should be assessed separately in advanced DLB. Some symptoms associated with QoL have available therapeutic options. Research is needed regarding strategies to optimally improve QoL in DLB.

Patient and proxy quality of life (QoL) ratings had moderate correlation in advanced dementia with Lewy bodies.
Daytime sleepiness affected patient- and proxy-reported QoL.
Behavioral symptoms affected patient- and proxy-reported QoL.
Autonomic symptom burden affected patient-reported QoL.
Dementia severity, dependence, and caregiver experiences affected proxy ratings.

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This post is Copyright: Melissa J. Armstrong,
Brian LaBarre,
Kaitlin Sovich,
Susan M. Maixner,
Henry L. Paulson,
Carol Manning,
Julie A. Fields,
Angela Lunde,
Leah Forsberg,
Bradley F. Boeve,
James E. Galvin,
Angela S. Taylor,
Zhigang Li | February 24, 2024

Wiley: Alzheimer’s & Dementia: Table of Contents