ArticleFrontiers in neuroscience2026
Neurobehavioral symptom changes following bilateral two-level stellate ganglion blocks in patients with traumatic brain injury: a retrospective analysis of 102 patients.
Article in Frontiers in neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Persistent neurobehavioral symptoms following traumatic brain injury (TBI) can substantially affect patient functioning, and effective treatment options remain limited. This study evaluated changes in neurobehavioral symptoms following bilateral two-level cervical sympathetic chain block (2LCSB) in patients with persistent TBI-related symptoms. A secondary objective was to examine whether changes in neurobehavioral symptoms differed by sex. Methods: A retrospective case series was conducted among 102 patients with TBI-related neurobehavioral symptoms of at least 3 months' duration who underwent ultrasound-guided bilateral 2LCSB between September 2022 and October 2024. Neurobehavioral Symptom Inventory (NSI) scores were assessed at baseline, 1 week, and 1 month following the procedure. The cohort included 69 males and 33 females. Changes in NSI total scores and subscores across assessment periods were evaluated using repeated-measures analysis of variance with Greenhouse-Geisser correction when the assumption of sphericity was not met. Results: Of the 102 patients that underwent the bilateral SGB procedure, 92 had improvement in their NSI scores (90.19%) with 10 patients not reporting improvement (9.80%). Mean NSI total score decreased from 38.88 (SD, 14.96) at baseline to 21.03 (SD, 14.33) at 1 week and 20.75 (SD, 13.95) at 1 month. NSI total scores differed significantly across assessment periods, Discussion: The use of bilateral Two-Level Cervical Sympathetic Chain Block (2LCSB) may be helpful in providing short term neurobehavioral symptoms for patients' relief from prior TBI's based on NSI scores. 2LCSB may improve chronic TBI symptoms through this minimally invasive interventional procedure, although further validated studies are needed to establish causality.
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