4.6 Review

The Application of Deep Brain Stimulation for Progressive Supranuclear Palsy: A Systematic Review

Journal

FRONTIERS IN NEUROLOGY
Volume 13, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fneur.2022.827472

Keywords

progressive supranuclear palsy; deep brain stimulation; pedunculopontine nucleus; systematic review; Unified Parkinson's Disease Rating Scale (UPDRS)

Funding

  1. National Key R&D Program of China [2020YFC2008500, 2018YFC1312003]
  2. National Natural Science Foundation of China [81671075, 81971029, 82071216, 81901171]
  3. Hunan Innovative Province Construction Project [2019SK2335]
  4. Youth Science Foundation of Xiangya Hospital [2018Q020]

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Progressive supranuclear palsy (PSP) is a rare neurodegenerative disease with no effective symptomatic or neuroprotective treatment available. Although some cases may benefit from deep brain stimulation (DBS), there is not sufficient evidence proving its efficacy for PSP patients.
Progressive supranuclear palsy (PSP) is a rare neurodegenerative disease, and currently no effective symptomatic or neuroprotective treatment is available for PSP. Deep brain stimulation (DBS), as a neurosurgical procedure, plays a role in a range of neurological and psychiatric disorders, and a series of case reports have applied DBS in PSP patients. However, there are no systematic investigations about the application of DBS in PSP patients; we therefore performed a systematic review to evaluate the efficacy of DBS for PSP. PubMed, EMBASE and the Cochrane library were systematically searched from database inception to July 31, 2021. Additionally, the reference lists of included studies were searched manually. Of 155 identified studies, 14 were eligible and were included in our analysis (N = 39 participants). We assessed the data between DBS-OFF and DBS-ON conditions, as measured by the Unified Parkinson's Disease Rating Scale (UPDRS) and other clinical rating scales. A reduction of UPDRS III scores under DBS-ON conditions in most PSP cases was observed, but the differences yielded no statistical significance. There was no sufficient evidence proving DBS was effective for PSP patients, though part of PSP cases could benefit from DBS and our findings could provide up-to-date information about the possible role of DBS in PSP, which would provide design strategies for following clinical trials and might ultimately help to promote the clinical application of DBS in PSP patients.

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