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Sleep disturbances in probable multiple system atrophy.

Malligurki Raghurama Rukmani¹, Ravi Yadav², Binukumar Bhaskarapillai³

¹Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, India.

|October 15, 2024

Summary

This summary is machine-generated.

Sleep disturbances are universal in Multiple System Atrophy (MSA), impacting disease severity. REM sleep behavior disorder (RBD) duration correlates with poor sleep quality and increased disease severity in MSA patients.

Keywords:

Excessive daytime sleepiness Multiple system atrophy REM behavior disorder Sleep disturbances Sleep quality Snoring

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Area of Science:

Neurology
Sleep Medicine
Neurodegenerative Diseases

Background:

Multiple System Atrophy (MSA) is a fatal alpha-synucleinopathy causing parkinsonism, autonomic, and cerebellar dysfunction.
Sleep disturbances are common in MSA, negatively impacting quality of life and prognosis.

Purpose of the Study:

Investigate sleep disturbances in an Asian-Indian cohort of probable MSA patients.
Examine the influence of parkinsonian and cerebellar phenotypes on sleep patterns.
Correlate sleep parameters with disease severity.

Main Methods:

Recruited 60 probable MSA patients (19 MSA-P, 41 MSA-C).
Assessed disease severity using UPDRS-III, UMSARS-I, and UMSARS-II.
Evaluated sleep disturbances via detailed history and sleep questionnaires.

Main Results:

Universal sleep disturbances observed, including REM sleep behavior disorder (RBD) in 95%, poor sleep quality in 80%, and insomnia in 100%.
No significant difference in sleep parameters between MSA-P and MSA-C phenotypes.
Poor sleep quality correlated with RBD duration, which also correlated with disease severity.

Conclusions:

Sleep disturbances are pervasive in the Asian Indian MSA population and are negative prognostic factors.
REM sleep behavior disorder (RBD) may influence MSA's severity, progression, and overall sleep quality.