Technical Comparison of Treatment Efficiency of Magnetic Resonance-Guided Focused Ultrasound Thalamotomy and Pallidotomy in Skull Density Ratio-Matched Patient Cohorts.

focused ultrasound (MRgFUS) movement disorders skull density ratio stereotactic ablation thalamotomy pallidotomy

Journal

Frontiers in neurology
ISSN: 1664-2295
Titre abrégé: Front Neurol
Pays: Switzerland
ID NLM: 101546899

Informations de publication

Date de publication:
2021
Historique:
received: 04 11 2021
accepted: 17 12 2021
entrez: 7 2 2022
pubmed: 8 2 2022
medline: 8 2 2022
Statut: epublish

Résumé

MR-guided focused ultrasound (MRgFUS) is increasingly being used to treat patients with essential tremor (ET) and Parkinson's disease (PD) with thalamotomy and pallidotomy, respectively. Pallidotomy is performed off-center within the cranium compared to thalamotomy and may present challenges to therapeutic lesioning due to this location. However, the impact of target location on treatment efficiency and ability to create therapeutic lesions has not been studied. This study aimed to compare the physical efficiency of MRgFUS thalamotomy and pallidotomy. Treatment characteristics were compared between patients treated with thalamotomy ( Lower SDR values were associated with greater energy requirement for thalamotomy (R The centrally located VIM offers a more efficient location for therapeutic lesioning compared to GPi pallidotomy in SDR matched cohort of patients. The impact on therapeutic lesioning with lower SDR may be greater for pallidotomy patients. As newer off-center targets are investigated, these findings can inform patient selection and treatment requirements for lesion production.

Identifiants

pubmed: 35126300
doi: 10.3389/fneur.2021.808810
pmc: PMC8813961
doi:

Types de publication

Journal Article

Langues

eng

Pagination

808810

Informations de copyright

Copyright © 2022 Ahmed, Guo, Kelm, Clanton, Melhem, Gullapalli, Ksendzovsky, Eisenberg, Miller and Gandhi.

Déclaration de conflit d'intérêts

Authors NK and RC were employed by company Insightec. HE and DG were on the advisory board of Insightec. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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Auteurs

Abdul-Kareem Ahmed (AK)

Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, United States.

Sijia Guo (S)

Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, United States.

Nathaniel Kelm (N)

Insightec, Tirat Carmel, Israel.

Ryan Clanton (R)

Insightec, Tirat Carmel, Israel.

Elias R Melhem (ER)

Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, United States.

Rao P Gullapalli (RP)

Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, United States.

Alexander Ksendzovsky (A)

Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, United States.

Howard M Eisenberg (HM)

Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, United States.

Timothy R Miller (TR)

Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, United States.
Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, United States.

Dheeraj Gandhi (D)

Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, United States.
Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, United States.

Classifications MeSH