• Nachiket Deshpande, Moustafa Hadi, and Rushna Ali.
• 1College of Human Medicine, Michigan State University, Grand Rapids, Michigan; and.
• J. Neurosurg. 2024 Apr 1; 140 (4): 113711471137-1147.

ObjectiveSince FDA approval of deep brain stimulation (DBS) for essential tremor over 2 decades ago, indications and utilization of this modality have rapidly expanded worldwide. However, certain patient populations are known to be underrepresented among those undergoing DBS for various indications.MethodsA systematic search was conducted using PubMed and Embase for disparities related to DBS care. Any retrospective or prospective study addressing inequalities related to DBS were included for qualitative analysis. Additionally, all clinical trials and DBS studies with at least 100 patients were also included to evaluate for demographic disparities in the DBS literature.ResultsOf the 5192 screened articles, 43 were included. The authors found that female gender, minority race, geographic barriers, low socioeconomic status, and the presence of multiple comorbidities are all linked to the underutilization of DBS. Analysis of demographic data from large-scale DBS studies and clinical trials revealed that females and Black patients continue to be underrepresented in the DBS literature and among those receiving DBS therapy.ConclusionsAs the indications and utilization continue to grow, addressing healthcare disparities related to DBS has become increasingly important. The authors suggest that increasing patient and provider education, expanding the role of telemedicine within DBS care, and improving support services for DBS patients may improve access and utilization.

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