Abstract
Chronic migraines (CM) are the third most common disease and are refractory to medical treatment in 15% of patients. Currently, temporary relief is achieved with steroid blocks or pulsed radiofrequency ablation, which have short-term benefits. Our project aims to develop a non-invasive treatment for medically refractory chronic migraine, which does not require a permanent implant. This project investigates the safety and effectiveness of pulsed focused ultrasound (FUS) in a validated rodent headache model of cutaneous allodynia associated with chronic migraine (CM) as compared to sumatriptan and ablative lesioning. We demonstrate a significant reduction in mechanical thresholds as measured through Von Frey filaments in CM in the forepaw and periorbital region (p < 0.001). Sumatriptan and pulsed FUS both significantly improve thresholds at day 3 after treatment in the periorbital region. Ablative lesioning has no effect. This study provides initial evidence that FUS may provide an important therapeutic option for patients suffering from CM.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 135-141 |
| Number of pages | 7 |
| Journal | Brain Research |
| Volume | 1699 |
| DOIs | |
| State | Published - Nov 15 2018 |
| Externally published | Yes |
Keywords
- Chronic migraine
- Focused ultrasound
- High intensity focused ultrasound
- Mechanical threshold
- Occipital nerve
- Von Frey
ASJC Scopus subject areas
- General Neuroscience
- Molecular Biology
- Clinical Neurology
- Developmental Biology
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