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Sleep-related violence, injury, and REM sleep behavior disorder in Parkinson's disease



Sleep-related violence, injury, and REM sleep behavior disorder in Parkinson's disease



Neurology 51(2): 526-529



Objective: To determine the occurrence of REM sleep behavior disorder (RBD) and sleep-related injury (SRI) in an outpatient PD practice. Background: RBD is a frequent cause of SRI in older individuals. Although RBD is seen in PD, the association of SRI and RBD in PD has not been previously assessed. Design/Methods: Consecutive patients with PD and their caregivers were interviewed using a structured questionnaire assessing the presence of RBD and SRI. Patients fulfilling the International Classification of Sleep Disorders (ICSD) criteria for RBD were compared with non-RBD patients. In a separate analysis, patients with a prior SRI were compared to those without. Results: Of the 61 patient/caregiver pairs, 15% (7 men and 2 women) met the clinical criteria for RBD. There were more episodes of SRI in the RBD group, with 33% causing injury to themselves or to their caregivers compared with 6% of the non-RBD group (chi2 = 13, p = 0.005). In the second analysis, 15% (all men) patient/caregiver pairs reported SRI. Of these, 66% of the patients had behaviors resembling those seen in RBD, and 33% had recalled dream content. There is a significant association between SRI and RBD for dream-enacting sleep behaviors (Fisher's exact test, p = 0.0001). Conclusion: PD patients with SRI frequently have behavioral features of RBD. If RBD underlies most SRI, treatment with appropriate pharmacologic agents, such as clonazepam, may prevent future occurrences of SRI.

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Accession: 009425533

Download citation: RISBibTeXText

PMID: 9710029

DOI: 10.1212/wnl.51.2.526



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