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Suicidal behavior among Turkish patients with Parkinson’s disease

Authors Ozdilek B, Gultekin BK

Published Date March 2014 Volume 2014:10 Pages 541—545

DOI http://dx.doi.org/10.2147/NDT.S60450

Received 10 January 2014, Accepted 10 February 2014, Published 26 March 2014

Betul Ozdilek,1 Bulent Kadri Gultekin2

1Department of Neurology, 2Department of Psychiatry, Erenkoy Mental Health and Neurology Training and Research Hospital, Istanbul, Turkey

Objective: To investigate the predictors of suicidal ideation and attempts among Turkish Parkinson’s disease (PD) patients.
Materials and methods: The study comprised 120 patients with PD. Clinical findings were obtained by using the Unified Parkinson’s Disease Rating Scale. Disease severity was measured by the Hoehn and Yahr staging scale, and the Schwab and England Activities of Daily Living scale was used for patient disability. Psychiatric evaluation was performed by the same psychiatrist using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) Axis I Disorders. Severity of depression was measured with the Hamilton Depression Rating Scale. Suicidal ideation and attempts were considered positive if experienced during the patient’s lifetime. The Suicide Probability Scale was used to assess the risk of suicide. Data were analyzed by logistic regression models to identify variables associated with suicidal ideation and attempts.
Results: Based on logistic regression analysis, education level, age of disease onset, disease duration, depression, and history of impulse-control disorder (ICD) behaviors were significant predictors of suicidal ideation. The risk rate in the presence of depression and history of ICD behaviors was increased by 5.92 and 4.97, respectively. Additionally, lifetime prevalence of suicidal ideation was found in 11.6% (14 of 120) of PD patients, although no patient had ever attempted suicide.
Conclusion: Turkish patients with PD who exhibit a high risk for suicidal ideation also experience disease starting at an earlier age, longer disease duration, presence of depression, and ICD behaviors, and should be monitored carefully.

Keywords: Parkinson’s disease, suicidal behavior, risk factors

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