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The Efficacy of Surgical Treatment for Headaches in Patients with Prior Head or Neck Trauma

Background: Patients undergoing trigger-site deactivation surgery for headaches report a high prevalence (approximately 37 percent) of prior head or neck injury. Traditional medical treatment often fails to treat these posttraumatic patients. It is unclear whether surgery mirrors these poor outcomes. This study aims to describe the characteristics of posttraumatic headache surgery patients and compare their postoperative results to those of patients without a history of head or neck injury. Methods: One hundred forty-two patients undergoing trigger-site deactivation surgery were prospectively enrolled. Patients were requested to complete a preoperative questionnaire on headache history, including the Migraine Headache Index and information on prior head or neck injury. Follow-up surveys were requested at approximately 12 months postoperatively. Results: Seventy patients (49 percent) reported a history of head or neck injury, and 41 (29 percent) classified the injury as the precipitating event leading to their headache onset. Patients with a precipitating event were significantly less likely to report a family history of migraine. There was no significant difference in mean preoperative Migraine Headache Index between cohorts. At 12 months postoperatively, there was no significant difference in Migraine Headache Index reduction between groups. The proportion of patients who experienced at least a 50 and 80 percent improvement in Migraine Headache Index per group, respectively, was 83 and 67 percent (atraumatic), 76 and 68 percent (posttraumatic), and 71 and 63 percent (precipitating event). Conclusions: This study suggests that surgical outcomes in posttraumatic headache patients are comparable to those without injury. Trigger-site deactivation surgery candidates with a history of injury can therefore expect similar outcomes as reported for patients overall. CLINICAL QUESTION/LEVEL OF EVIDENCE: Risk, II.