Anxiety and Sleep Affect Freezing of Gait in Parkinson's Disease
Author Information
Author(s): Sarah Ghose, Natalie Dautovich, Claire Williams, Samantha Luehrsen, John Karlsen, GinaMari Blackwell, Leslie Cloud, Ingrid Pretzer-Aboff
Primary Institution: Cleveland Clinic and Virginia Commonwealth University
Hypothesis
This study investigates the associations between sleep, anxiety, and Freezing of Gait (FoG) in individuals with Parkinson's disease.
Conclusion
Higher levels of anxiety and poor sleep are linked to worsened Freezing of Gait outcomes in people with Parkinson's disease.
Supporting Evidence
- More than 50% of people with Parkinson's disease experience Freezing of Gait.
- Participants reported higher anxiety at baseline and lower anxiety post-task.
- Salivary alpha-amylase levels increased from baseline to post-task, indicating rising anxiety.
- Participants reported better sleep in diaries compared to actigraphic measurements.
- Qualitative data showed strong associations between anxiety, sleep, and FoG outcomes.
Takeaway
People with Parkinson's disease who feel more anxious and sleep poorly may have more trouble moving. It's important to look at these feelings when treating them.
Methodology
The study used a mixed-method design, collecting sleep measures via actigraphy and assessing anxiety and FoG pre- and post-walking through a FoG-triggering protocol.
Potential Biases
Self-reported data may be subject to personal bias and inaccuracies.
Limitations
The study had a small sample size and relied on self-reported measures, which may introduce bias.
Participant Demographics
76.9% male, average age 69 years old.
Digital Object Identifier (DOI)
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