Obsessive Compulsive Disorder (OCD)
OCD is an enduring mental health condition that causes individuals to experience a variety of symptoms that typically fall into one of two categories: ‘obsessions’ and/or ‘compulsions’.
Obsessions are characterised by persistent and irrational thoughts or urges, and compulsions refer to physical or mental acts that individuals feel compelled to perform. Some individuals who develop OCD only experience one type of symptom, whilst others can experience both obsessions and compulsions. These irrational thoughts and behaviours can become extremely time consuming and can seem impossible to stop or control.
Though conventional treatment are psychological therapies and medications ,somewhere in the region of 40% of patients with OCD are resistant to the this standard treatment and in this situation, rTMS should be considered as an option. Published scientific studies have shown that after treatment with TMS, about 30% of patients with OCD, (which is resistant to standard treatment) go into full remission and at least 55% have a clinically significant improvement in their symptoms of OCD.
1) A randomised controlled study was conducted on 21 patients suffering from treatment-resistant OCD. The symptom severity reduced in the group treated with rTMS when compared to the control group. This study suggested that rTMS is a successful intervention for patients suffering from treatment-resistant OCD (Haghighi et al, 2015)
2) A systematic meta-analysis of the efficacy of rTMS for OCD was conducted. Data was obtained from 10 randomised controlled studies with a total of 282 subjects with OCD. Using a standard measure of OCD the pre and post treatment scores showed a significant difference in outcome favoring treatment with rTMS compared to the control groups. Response rates were 35% for those patients with OCD treated with rTMS. In conclusion this analyses show that active rTMS seems to be effective for treating OCD (Berlim et al, 2013).
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