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四通道概率束示踪技术在磁共振引导聚焦超声治疗特发性震颤中的靶点选择。

Four-tract probabilistic tractography technique for target selection in essential tremor treatment with magnetic resonance-guided focused ultrasound.

机构信息

Department of Interventional Neuroradiology, Hospital Clínico Universitario San Carlos, 28040, Madrid, Spain.

Department of Radiology, Hospital Clínico Universitario San Carlos, Madrid, Spain.

出版信息

Eur Radiol. 2024 Aug;34(8):5167-5178. doi: 10.1007/s00330-023-10431-7. Epub 2023 Nov 11.


DOI:10.1007/s00330-023-10431-7
PMID:37950079
Abstract

OBJECTIVES: Magnetic resonance-guided focused ultrasound (MRgFUS) thalamotomy is a novel, minimally invasive ablative treatment for essential tremor (ET). The use of a four-tract probabilistic tractography technique, targeting the intersection between the dentato-rubro-thalamic tracts (both decussating and non-decussating), while evaluating the corticospinal tract and the medial lemniscus, may obtain immediate clinical results with reduced adverse events. Our aim is to present our experience with the four-tract technique for patients undergoing ET treatment with MRgFUS. METHODS: Retrospective analysis of a prospective database of consecutive patients undergoing ET treatment in a single center from February 2022 to February 2023. Procedural parameters were collected, and tremor improvement was assessed with the Clinical Rating Scale for Tremor (CRST) at baseline and at 3 and 6 months. Adverse events were also reported. RESULTS: Forty-three patients (median age, 72 years [interquartile range, 66-76]; 22 females) were evaluated. Tremor improved significatively in all CRST subsections at 3 months, including the CRST part A + B treated hand tremor (22 [19-27] vs 4 [2-7], p < 0.001) and CRST part C (16 [13-19] vs 3 [1-4], p < 0.001). Differences persisted significant at 6 months. Adverse events were few (4.1% of paresthesias and 12.5% of objective gait disturbance at follow-up) and recorded as mild. The median number of sonications was 7 [6-8] and mean operative time 68.7 ± 24.2 min. CONCLUSION: Our data show support for the feasibility and benefits of systematic targeting approach with four-tract probabilistic tractography for treating ET using MRgFUS. CLINICAL RELEVANCE STATEMENT: An approach with four-tract probabilistic tractography for treating essential tremor (ET) patients with magnetic resonance-guided focused ultrasound decreases interindividual variability with good clinical outcomes, low number of sonications, few adverse effects, and short procedure times. KEY POINTS: • The optimal target for the treatment of essential tremor with MR-guided focused ultrasound remains unknown. • Four-tract probabilistic tractography is a feasible technique that reduces interindividual variability, with good clinical results, few side effects, and short operative time. • The four-tract tractography approach can be performed using different MRI scanners and post-processing software in comparison with the initial description of the technique.

摘要

目的:磁共振引导聚焦超声(MRgFUS)丘脑切开术是一种治疗原发性震颤(ET)的新型微创消融治疗方法。使用针对齿状核-红核-丘脑束交叉和非交叉交点的四通道概率性轨迹技术,同时评估皮质脊髓束和内侧丘系,可能会获得即时的临床效果,并减少不良事件。我们的目的是介绍我们在使用磁共振引导聚焦超声治疗 ET 患者中使用四通道技术的经验。

方法:对 2022 年 2 月至 2023 年 2 月在单中心接受 ET 治疗的连续患者前瞻性数据库进行回顾性分析。收集手术参数,并在基线和 3 个月和 6 个月时使用震颤临床评分量表(CRST)评估震颤改善情况。还报告了不良事件。

结果:评估了 43 名患者(中位年龄 72 岁[四分位距 66-76];22 名女性)。所有 CRST 亚组在 3 个月时震颤均有显著改善,包括 CRST 部分 A+B 治疗手震颤(22[19-27]比 4[2-7],p<0.001)和 CRST 部分 C(16[13-19]比 3[1-4],p<0.001)。6 个月时差异仍有统计学意义。不良事件较少(随访时 4.1%的感觉异常和 12.5%的客观步态障碍),且记录为轻度。超声治疗的中位数为 7[6-8]次,平均手术时间为 68.7±24.2 分钟。

结论:我们的数据支持使用四通道概率性轨迹技术对 ET 进行系统靶向治疗的可行性和益处,该技术使用磁共振引导聚焦超声。

临床相关性声明:使用磁共振引导聚焦超声治疗原发性震颤(ET)患者的四通道概率性轨迹技术可降低个体间变异性,获得良好的临床效果,较少的超声治疗次数,较少的不良影响和较短的手术时间。

关键点:

  1. 用磁共振引导的聚焦超声治疗原发性震颤的最佳目标仍不清楚。
  2. 四通道概率性轨迹技术是一种可行的技术,可降低个体间变异性,具有良好的临床效果、较少的副作用和较短的手术时间。
  3. 与该技术的最初描述相比,四通道轨迹技术可在不同的 MRI 扫描仪和后处理软件上进行。

相似文献

[1]
Four-tract probabilistic tractography technique for target selection in essential tremor treatment with magnetic resonance-guided focused ultrasound.

Eur Radiol. 2024-8

[2]
Clinical improvement associated with targeted interruption of the cerebellothalamic tract following MR-guided focused ultrasound for essential tremor.

J Neurosurg. 2017-10-20

[3]
Magnetic resonance-guided focused ultrasound thalamotomy for tremor: a report of 30 Parkinson's disease and essential tremor cases.

J Neurosurg. 2017-2-24

[4]
A meta-analysis of outcomes and complications of magnetic resonance-guided focused ultrasound in the treatment of essential tremor.

Neurosurg Focus. 2018-2

[5]
The potential value of probabilistic tractography-based for MR-guided focused ultrasound thalamotomy for essential tremor.

Neuroimage Clin. 2017-12-12

[6]
Targeting of the dentato-rubro-thalamic tract for MR-guided focused ultrasound treatment of essential tremor.

Neuroradiol J. 2019-12

[7]
Focused ultrasound thalamotomy location determines clinical benefits in patients with essential tremor.

Brain. 2018-12-1

[8]
Focused Ultrasound Thalamotomy with Dentato-Rubro-Thalamic Tractography in Patients with Spinal Cord Stimulators and Cardiac Pacemakers.

Stereotact Funct Neurosurg. 2020

[9]
Magnetic Resonance-Guided Focused Ultrasound (MRgFUS)-Thalamotomy for Essential Tremor: Lesion Location and Clinical Outcomes.

Mov Disord. 2024-6

[10]
Volumetric analysis of magnetic resonance-guided focused ultrasound thalamotomy lesions.

Neurosurg Focus. 2018-2

引用本文的文献

[1]
Enhancing precision in MRgFUS for tremor treatment: a systematic review of tractography-based VIM targeting approaches.

Neurosurg Rev. 2025-6-4

[2]
Efficacy and Safety of Magnetic Resonance-Guided Focused Ultrasound Thalamotomy in Essential Tremor: A Systematic Review and Metanalysis.

Mov Disord. 2025-6

[3]
Magnetic Resonance-Guided Focused Ultrasound Thalamotomy in a Prospective Cohort of 52 Patients with Parkinson's Disease: A Possible Critical Role of Age and Lesion Volume for Predicting Tremor Relapse.

Mov Disord. 2025-3

[4]
State of Practice on Transcranial MR-Guided Focused Ultrasound: A Report from the ASNR Standards and Guidelines Committee and ACR Commission on Neuroradiology Workgroup.

AJNR Am J Neuroradiol. 2025-1-8

本文引用的文献

[1]
Focused ultrasound using a novel targeting method four-tract tractography for magnetic resonance-guided high-intensity focused ultrasound targeting.

Brain Commun. 2022-10-25

[2]
Clinical application of ultra-high resolution compressed sensing time-of-flight MR angiography at 7T to detect small vessel pathology.

Neuroradiol J. 2023-6

[3]
Editorial: Third Window Syndrome.

Front Neurol. 2021-6-18

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A detailed analysis of anatomical plausibility of crossed and uncrossed streamline rendition of the dentato-rubro-thalamic tract (DRT(T)) in a commercial stereotactic planning system.

Acta Neurochir (Wien). 2021-10

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Neuroimaging Advances in Deep Brain Stimulation: Review of Indications, Anatomy, and Brain Connectomics.

AJNR Am J Neuroradiol. 2020-8-13

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J Neurol Neurosurg Psychiatry. 2020-9

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Advanced MRI techniques for transcranial high intensity focused ultrasound targeting.

Brain. 2020-9-1

[8]
Focused Ultrasound Thalamotomy with Dentato-Rubro-Thalamic Tractography in Patients with Spinal Cord Stimulators and Cardiac Pacemakers.

Stereotact Funct Neurosurg. 2020

[9]
There's more to the picture than meets the eye : Reply to: Letter to the editor of Acta Neurochirurgica: Blind men and the elephant-comment on "The dentato-rubro-thalamic tract as the potential common deep brain stimulation target for tremor of various origin: an observational case series".

Acta Neurochir (Wien). 2020-8

[10]
On the need for bundle-specific microstructure kernels in diffusion MRI.

Neuroimage. 2020-3

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