ArticlePsychoradiology2024
Effectiveness and possible brain mechanisms of cervical invasive vagus nerve stimulation (iVNS) intervention for avoidant/restrictive food intake disorder: a case report.
Article in Psychoradiology, 2024. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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10 authors.
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Abstract
Background: We reported a case of cervical invasive vagus nerve stimulation (iVNS) treatment for avoidant/restrictive food intake disorder (ARFID) in a patient with severe anxiety and depression. This patient was even given a critical illness notice during his hospitalization and all treatment efforts were failed. Objective: We aimed to verfiy the effectiveness of iVNS in a patient with ARFID. Methods: We first attempted to perform cervical iVNS in this case and then observed the changes in clinical scores. We also analyzed the alterations in brain magnetic resonance imaging characteristics before and after iVNS using multi-modal neuroimagings. Results: After 18 days of iVNS (from 1 to 19 July 2023), the patient's clinical symptoms improved significantly and he rapidly gained 5 kg in weight. The brain functional characteristics of this patient tended toward those of the normal group. Functional connectivities of the medial of orbitalis prefrontal cortex returned to the normal range after iVNS. Conclusion: This is a precedent for performing cervical iVNS in an ARFID patient. Brain neural activity can be modulated through iVNS. The observed improvements in clinical scores and positive changes in brain function validated the effectiveness of iVNS. This case study provides evidence that this intervention technique could be used to reduce the burden on more similar ARFID patients.
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