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CASE REPORT
Year : 2020  |  Volume : 8  |  Issue : 1  |  Page : 59-63

Short-Interval periodic transcranial direct current stimulations may induce long-term remission of symptoms in a patient with poststroke depression


1 Department of Medical Rehabilitation (Physiotherapy), College of Medical Sciences, University of Maiduguri, Maiduguri, Borno State, Nigeria
2 Department of Physiotherapy, Federal Medical Center, Nguru, Yobe State; Department of Physiotherapy, Faculty of Allied Health Sciences, College of Health Sciences, Bayero University, Nigeria
3 Medical Rehabilitation Therapists (Reg.) Board of Nigeria, North-West Zonal Office, Kano, Kano State, Nigeria; Department of Physiotherapy, College of Health Sciences, University of Kwazulu-Natal, Durban, South Africa

Correspondence Address:
Mr. Musa Sani Danazumi
Department of Physiotherapy, Federal Medical Center, Nguru, Yobe State; Department of Physiotherapy, Faculty of Allied Health Sciences, College of Health Sciences, Bayero University, Kano, Kano State
Nigeria
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njecp.njecp_33_19

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Transcranial direct current stimulation (tDCS) has been shown to be effective in the management of patients with poststroke depression (PSD) but with a high relapse rate. We present a report of a patient with PSD who had long-term mood improvement upon receiving periodic tDCS sessions with short inter-session intervals following a relapse of symptoms at 3 weeks after improvement due to stimulations with long inter-sessions intervals. A 60-year-old patient presented with moderate PSD, having a Beck Depression Inventory (BDI) score of 25. She received anodal tDCS to the left dorsolateral prefrontal cortex using two different application protocols. Initially, a stimulation session of 2 mA intensity for 20 min was given every working day for 2 weeks. After 3 weeks, she then received seven sessions of periodic stimulations of 2 mA intensity for 13 min each with 20 min inter-sessions interval. BDI score was taken before the intervention, immediately after, and at 3 weeks and 6 months postintervention. Immediately following the last session of the initial protocol of stimulation, the BDI score reduced from 25 to 7. However, the symptoms relapsed at 3 weeks postintervention to the initial BDI score of 25. There was no change in the BDI score immediately after follow-up with short interval periodic stimulations. Nevertheless, the BDI score improved to 18 at 3 weeks and later to 7 at 6 months postintervention. Series of periodic tDCS with short-intersession intervals may be more effective in inducing long-term mood improvement in patients with PSD.


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