Attempted and completed suicides after subthalamic nucleus stimulation for Parkinson's disease.

Soulas, T; Gurruchaga, J-M; Palfi, S; Cesaro, P; Nguyen, J-P; Fénelon, G · J Neurol Neurosurg Psychiatry · 2008

retrospective_cohort · Level III

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Abstract

A higher than expected frequency of suicide has been reported among patients undergoing subthalamic nucleus deep brain stimulation (STN DBS) for advanced Parkinson's disease (PD). We conducted a retrospective survey of 200 patients with PD who underwent STN DBS. Two patients (1%) committed suicide and four (2%) attempted suicide, despite clear motor improvements. Suicidal patients did not differ from non-suicidal patients with respect to age, disease duration or preoperative depressive and cognitive status. Suicidal behaviour was associated with postoperative depression and/or altered impulse regulation. Suicidal behaviour is a potential hazard of STN DBS, calling for careful preoperative assessment and close postoperative psychiatric and behavioural follow-up.

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