اطلاعات تماس با دکتر جمشید دونلو متخصص مغز و اعصاب ام اس و سردرد


ميدان فاطمي بيمارستان سجاد درمانگاه مغز و اعصاب صبح روزهاي فرد و عصر ١و٣و٤شنبه ٢-٥عصر تلفن ٨٨٩٥٧٣٩١-٦

RTMS Study Identifies Glutamate as a Biomarker for Depression Treatment

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At the 3rd Annual Meeting of the Transcranial Magnetic Stimulation Society, Canadian researcher Frank MacMaster discussed his study of repeated transcranial magnetic stimulation (rTMS) in 50 children with depression. RTMS is a non-invasive procedure in which an electromagnetic coil is placed against the side of the forehead and magnetic pulses that can penetrate the scalp are converted into small electrical currents that stimulate neurons in the brain. The study was designed to identify biomarkers, or characteristics that might indicate which patients were likely to respond to the treatment. All of the patients received rTMS at a frequency of 10 Hz. Using magnetic resonance spectroscopy (MRS) technology, MacMaster found that children who responded well to rTMS treatment had low levels of the neurotransmitter glutamate at the beginning of the study, but their glutamate levels increased as their depression improved. Children who didn’t improve had higher glutamate levels at the beginning of the study, and these fell during the rTMS treatment.

MacMaster hopes that glutamate levels and other biological indicators such as inflammation will eventually pinpoint which treatments are likely to work best for children with depression. At the meeting, MacMaster said that in Canada, only a quarter of the 1,200,000 children with depression receive appropriate treatment for it. Very little funding is devoted to research on children’s mental health, a serious deficit when one considers that most depression, anxiety, attention deficit hyperactivity disorder (ADHD), bipolar disorder, oppositional behavior, conduct disorder, and substance abuse begins in childhood and adolescence, and early onset of these illnesses has been repeatedly linked to poorer outcomes.

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