Journal
CLINICAL NEUROLOGY AND NEUROSURGERY
Volume 206, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.clineuro.2021.106699
Keywords
Chronic migraine; Refractory migraine; Surgery; Trigger nerve decompression; Headaches
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The study aimed to investigate the efficacy of scalp nerve decompression in the management of refractory chronic migraine patients, demonstrating it as a feasible alternative treatment modality with a high success rate.
Background: Chronic migraine refractory to medical treatment represents a common debilitating primary neurovascular disorder associated with great disability, high financial costs, reduced rates of productivity and impaired health-related quality of life. Objective: To demonstrate the feasibility of scalp (trigger areas) nerve decompression as a treatment alternative in the management of refractory CM patients Methods: From January 2005 to January 2020, we retrospectively collected data of 154 patients diagnosed with chronic migraine that underwent trigger site nerve decompression. These trigger areas were divided according the nerve compromise as frontal (supraorbital nerve), temporal (auriculotemporal nerve), occipital (greater occipital nerve). Following extensive clinical evaluation, the surgical treatment was performed after under local anesthesia and required the release of the affected nerve from surrounding connective tissue adhesions, and vascular conflicts. Results: Of the total amount of patients, 91 (59.09%) patients underwent auriculotemporal nerve decompression, 27 (13.63%) cases supraorbital nerve decompression, 15 (9.74%) patients greater occipital nerve decompression, and the remaining 21 (13.63%) patients had more than one procedure of nerve decompression. At 1-year follow or latest follow-up, 96 (62.2%) patients were considered as cured, 29 cases (18.83%) reported improvement of their symptoms, 21 (13.64%) patients considered only a partial symptomatic remission and 5 (3.25%) patients reported no change or failed surgical treatment. Conclusion: Nerve decompression of trigger site areas (frontal, temporal, occipital) by removal of tissue, muscles and vessels in patients with medically refractory CM is a feasible alternative treatment modality with a high success of up to 80.5%
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