HealthPartners Institute
Persistent post-concussive symptoms (PPCS) involve an array of physical, cognitive, and behavioral symptoms lasting more than a month after mild traumatic brain injury (mTBI). 34-44% of people with mTBI or concussion present with a considerable burden of PPCS 3-6 months after injury. There is currently no standardized treatment for PPCS, nor FDA approved medication for any neuropsychiatric or neurocognitive symptoms associated with mTBI. Transcranial magnetic stimulation (TMS) shows promise as a treatment for PPCS; however, the current one-size-fits-all approach does not address the heterogeneity of symptoms. We propose utilization of resting state functional MRI (rs-fMRI) guided rTMS to target personalized brain networks burdened with PPCS.
Inclusion Criteria: 1. Clinical diagnosis of mTBI at least 4 weeks prior but not exceeding 12 months prior to the time of screening 2. Age 18-65 years at the time of mTBI 3. High burden of post concussive symptoms at time of screening, as measured by symptoms questionnaire (PCSS) ≥35\* Exclusion Criteria: 1. Inability to tolerate imaging; contraindication of imaging due to implants or metal 2. Seizure disorder, active alcohol or substance use disorder 3. Inability to speak and read English 4. Anything else that, in the opinion of the PI/study physician, would place the subject at increased…
MagVenture TMS Therapy active coil with theta burst stimulation. Resting motor threshold: 80%; Intermittent theta burst - Number of pulses per session: 1200 pulses; Inter-train interval: 8 seconds; Pulse frequency in burst: 50 Hertz; Continuous theta burst - Number of pulses per session: 1800 pulses; Pulse frequency in burst: 50 Hertz
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