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- W4232458419 abstract "BACKGROUND: With a 13% global prevalence, migraine headaches (MH) are the most commonly diagnosed neurologic disorder and are a top 5 cause of visits to the emergency room. Surgical techniques—such as decompression and/or ablation of neurovasculature—have shown to provide relief in patients suffering from MH. Popular diagnostic modalities to identify trigger loci include handheld doppler exams and botulinum toxin injection. This article aims to establish the positive predictive value (PPV) of peripheral nerve blocks for identifying therapeutic surgical targets for MH surgery. METHODS: Charts of 36 patients were retrospectively analyzed. These patients underwent peripheral nerve blocks using 1% lidocaine with epinephrine and subsequent surgery on identified MH trigger points. Patients were grouped into successful and unsuccessful blocks and further categorized into successful and unsuccessful surgery subgroups. Group analysis was done using paired t tests and PPV calculations were done on subgroups. RESULTS: Mean postsurgical follow-up was 11.5 months. Prior to surgery, Migraine headache index of patients was 168.16 versus 43.69 after surgery (P < 0.001). Each of the components of Migraine headache index also significantly decreased: frequency (24.54 MH/mo versus 8.53; P < 0.001), intensity (7.33 versus 4.75; P < 0.001), and duration (0.8 days versus 0.39; P < 0.001). The PPV of diagnostic peripheral nerve blocks in identifying a MH trigger point responsive to surgical intervention was calculated to be 0.89 (95% CI, 1, 0.74). CONCLUSION: Peripheral nerve blocks serve as a clinical tool in mapping migraine trigger points for surgical intervention while offering more flexibility in their administration and recording as compared to established diagnostic methods." @default.
- W4232458419 created "2022-05-12" @default.
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- W4232458419 date "2020-09-01" @default.
- W4232458419 modified "2023-09-24" @default.
- W4232458419 title "Clinical Effectiveness of Peripheral Nerve Blocks for Diagnosis of Migraine Trigger Points" @default.
- W4232458419 doi "https://doi.org/10.1097/01.gox.0000720872.70028.90" @default.
- W4232458419 hasPublicationYear "2020" @default.
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