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Zalyalova ZA, Katunina EA, Pokhabov DV, Munasipova SE, Ermakova MM. [Tremor-dominant form of Parkinson's disease]. Zh Nevrol Psikhiatr Im S S Korsakova 2024; 124:28-35. [PMID: 38676674 DOI: 10.17116/jnevro202412404128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2024]
Abstract
The article is of a review nature and is devoted to tremor, one of the maladaptive and difficult-to-treat symptoms of Parkinson's disease (PD). Along with the classic rest tremor, patients with PD may experience tremor of other modalities: postural tremor, kinetic tremor, which reflects a multimodal mechanism of tremor formation involving multiple neurotransmitter systems. The unpredictable response to therapeutic options, the ambiguous response to levodopa, also reflects the role of multiple underlying pathophysiological processes. Among the drug methods of tremor correction, preference is given to dopamine receptor agonists - due to the spectrum of their pharmaceutical action, high efficiency in relation to all leading motor and a number of non-motor manifestations. The evidence for advanced neurosurgical, non-invasive modalities is mixed, and there are insufficient comparative studies to assess their efficacy in patients with tremor-dominant forms of PD.
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Affiliation(s)
- Z A Zalyalova
- Kazan State Medical University, Kazan, Russia
- Republican Consultative and Diagnostic Center for Extrapyramidal Pathology and Botulinum Therapy, Kazan, Russia
| | - E A Katunina
- Pirogov Russian National Research Medical University, Moscow, Russia
- Federal Center for Brain and Neurotechnology, Moscow, Russia
| | - D V Pokhabov
- Center for Innovative Neurology, Extrapyramidal Diseases and Botulinum Therapy, Krasnoyarsk, Russia
- Voino-Yasnevetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
| | - S E Munasipova
- Kazan State Medical University, Kazan, Russia
- Republican Consultative and Diagnostic Center for Extrapyramidal Pathology and Botulinum Therapy, Kazan, Russia
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Golfrè Andreasi N, Braccia A, Levi V, Rinaldo S, Ghielmetti F, Cilia R, Romito LM, Bonvegna S, Elia AE, Devigili G, Telese R, Colucci F, Bruzzone MG, Messina G, Corradi M, Stanziano M, Caldiera V, Prioni S, Amami P, Fusar Poli M, Piacentini SHMJ, Grisoli M, Ciceri EFM, DiMeco F, Eleopra R. The Optimal Targeting for Focused Ultrasound Thalamotomy Differs between Dystonic and Essential Tremor: A 12-Month Prospective Pilot Study. Mov Disord Clin Pract 2024; 11:69-75. [PMID: 38291839 PMCID: PMC10828621 DOI: 10.1002/mdc3.13911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 10/02/2023] [Accepted: 10/10/2023] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND Magnetic resonance-guided focused ultrasound (MRgFUS) thalamotomy is increasingly used to treat drug-resistant essential tremor (ET). Data on MRgFUS thalamotomy in dystonic tremor (DT) are anecdotal. OBJECTIVES To investigate efficacy, safety, and differences in target coordinates of MRgFUS thalamotomy in DT versus ET. METHODS Ten patients with DT and 35 with ET who consecutively underwent MRgFUS thalamotomy were followed for 12 months. Although in both groups the initial surgical planning coordinates corresponded to the ventralis intermediate (Vim), the final target could be modified intraoperatively based on clinical response. RESULTS Tremor significantly improved in both groups. The thalamic lesion was significantly more anterior in DT than ET. Considering both ET and DT groups, the more anterior the lesion, the lower the odds ratio for adverse events. CONCLUSIONS MRgFUS thalamotomy is safe and effective in DT and ET. Compared to classical Vim coordinates used for ET, more anterior targeting should be considered for DT.
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Affiliation(s)
- Nico Golfrè Andreasi
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Arianna Braccia
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Vincenzo Levi
- Functional Neurosurgery Unit, Department of NeurosurgeryFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | - Sara Rinaldo
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | | | - Roberto Cilia
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Luigi Michele Romito
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Salvatore Bonvegna
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
- Present address:
Parkinson Institute, ASST Gaetano Pini‐CTOMilanItaly
| | - Antonio Emanuele Elia
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Grazia Devigili
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Roberta Telese
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Fabiana Colucci
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | | | - Giuseppe Messina
- Functional Neurosurgery Unit, Department of NeurosurgeryFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | - Marta Corradi
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
| | - Mario Stanziano
- Neuroradiology UnitFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
- Neuroscience Department “Rita Levi Montalcini”University of TurinTurinItaly
| | - Valentina Caldiera
- Diagnostic Radiology and Interventional NeuroradiologyFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | - Sara Prioni
- Clinical Neuropsychology UnitFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | - Paolo Amami
- Clinical Neuropsychology UnitFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | - Marco Fusar Poli
- Clinical Neuropsychology UnitFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | | | - Marina Grisoli
- Neuroradiology UnitFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | - Elisa Francesca Maria Ciceri
- Diagnostic Radiology and Interventional NeuroradiologyFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
| | - Francesco DiMeco
- Department of NeurosurgeryFondazione IRCCS Istituto Neurologico Carlo BestaMilanoItaly
- Department of Oncology and Hemato‐OncologyUniversity of MilanMilanoItaly
- Hunterian Brain Tumor Research LaboratoryDepartment of Neurological Surgery, Johns Hopkins Medical SchoolBaltimoreMarylandUSA
| | - Roberto Eleopra
- Parkinson and Movement Disorders Unit, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo BestMilanoItaly
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Prajjwal P, Flores Sanga HS, Acharya K, Tango T, John J, Rodriguez RS, Dheyaa Marsool Marsool M, Sulaimanov M, Ahmed A, Hussin OA. Parkinson's disease updates: Addressing the pathophysiology, risk factors, genetics, diagnosis, along with the medical and surgical treatment. Ann Med Surg (Lond) 2023; 85:4887-4902. [PMID: 37811009 PMCID: PMC10553032 DOI: 10.1097/ms9.0000000000001142] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 07/31/2023] [Indexed: 10/10/2023] Open
Abstract
After only Alzheimer's disease (AD), Parkinson's disease (PD) is the second most prevalent neurodegenerative disease. The incidence of this disease increases with age, especially for those above 70 years old. There are many risk factors that are well-established in the contribution to the development of PD, such as age, gender, ethnicity, rapid eye movement sleep disorder, high consumption of dairy products, traumatic brain injury, genetics, and pesticides/herbicides. Interestingly, smoking, consumption of caffeine, and physical activities are the protective factors of PD. A deficiency of dopamine in the substantia nigra of the brainstem is the main pathology. This, subsequently, alters the neurotransmitter, causing an imbalance between excitatory and inhibitory signals. In addition, genetics is also involved in the pathogenesis of the disease. As a result, patients exhibit characteristic motor symptoms such as tremors, stiffness, bradykinesia, and postural instability, along with non-motor symptoms, including dementia, urinary incontinence, sleeping disturbances, and orthostatic hypotension. PD may resemble other diseases; therefore, it is important to pay attention to the diagnosis criteria. Parkinson's disease dementia can share common features with AD; this can include behavioral as well as psychiatric symptoms, in addition to the pathology being protein aggregate accumulation in the brain. For PD management, the administration of pharmacological treatment depends on the motor symptoms experienced by the patients. Non-pharmacological treatment plays a role as adjuvant therapy, while surgical management is indicated in chronic cases. This paper aims to review the etiology, risk factors, protective factors, pathophysiology, signs and symptoms, associated conditions, and management of PD.
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Affiliation(s)
| | - Herson S Flores Sanga
- Department of Telemedicine, Hospital Nacional Carlos Alberto Seguin Escobedo, Arequipa, Peru
| | - Kirtish Acharya
- Maharaja Krishna Chandra Gajapati Medical College and Hospital, Brahmapur, Odisha
| | - Tamara Tango
- Faculty of Medicine Universitas, Jakarta, Indonesia
| | - Jobby John
- Dr. Somervell Memorial CSI Medical College and Hospital, Neyyāttinkara, Kerala, India
| | | | | | | | - Aneeqa Ahmed
- Shadan Hospital and Institute of Medical Sciences, Hyderabad, Telangana
| | - Omniat A. Hussin
- Department of Medicine, Sudan Academy of Sciences, Khartoum, Sudan
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Zea Vera A, Gropman AL. Surgical treatment of movement disorders in neurometabolic conditions. Front Neurol 2023; 14:1205339. [PMID: 37333007 PMCID: PMC10272416 DOI: 10.3389/fneur.2023.1205339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 05/16/2023] [Indexed: 06/20/2023] Open
Abstract
Refractory movement disorders are a common feature of inborn errors of metabolism (IEMs), significantly impacting quality of life and potentially leading to life-threatening complications such as status dystonicus. Surgical techniques, including deep brain stimulation (DBS) and lesioning techniques, represent an additional treatment option. However, the application and benefits of these procedures in neurometabolic conditions is not well understood. This results in challenges selecting surgical candidates and counseling patients preoperatively. In this review, we explore the literature of surgical techniques for the treatment of movement disorders in IEMs. Globus pallidus internus DBS has emerged as a beneficial treatment option for dystonia in Panthotate-Kinase-associated Neurodegeneration. Additionally, several patients with Lesch-Nyhan Disease have shown improvement following pallidal stimulation, with more robust effects on self-injurious behavior than dystonia. Although there are numerous reports describing benefits of DBS for movement disorders in other IEMs, the sample sizes have generally been small, limiting meaningful conclusions. Currently, DBS is preferred to lesioning techniques. However, successful use of pallidotomy and thalamotomy in neurometabolic conditions has been reported and may have a role in selected patients. Surgical techniques have also been used successfully in patients with IEMs to treat status dystonicus. Advancing our knowledge of these treatment options could significantly improve the care for patients with neurometabolic conditions.
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Affiliation(s)
- Alonso Zea Vera
- Division of Neurology, Children’s National Hospital, Washington, DC, United States
- Department of Neurology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Andrea L. Gropman
- Department of Neurology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Division of Neurogenetics and Neurodevelopmental Pediatrics, Children’s National Hospital, Washington DC, United States
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Ko TH, Lee YH, Chan L, Tsai KWK, Hong CT, Lo WL. Magnetic Resonance-Guided focused ultrasound surgery for Parkinson's disease: A mini-review and comparison between deep brain stimulation. Parkinsonism Relat Disord 2023:105431. [PMID: 37164870 DOI: 10.1016/j.parkreldis.2023.105431] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/24/2023] [Accepted: 04/28/2023] [Indexed: 05/12/2023]
Abstract
Magnetic resonance-guided focused ultrasound (MRgFUS) is a new surgical treatment for Parkinson's disease (PD). Previous experience with radiofrequency lesionectomy and deep brain stimulation (DBS) has identified several candidate targets for MRgFUS intended to alleviate the motor symptoms of PD. The main advantage of MRgFUS is that it is incisionless. MRgFUS has certain limitations and is associated with adverse effects. The present study reviews the literature on conventional surgical interventions for PD, discusses recent studies on MRgFUS, and the comparison between DBS and MRgFUS for PD. The reviews aims to provide an essential reference for neurologists to select the appropriate treatments for patients with PD.
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Affiliation(s)
- Tzu-Hsiang Ko
- Department of Neurology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan
| | - Yu-Hsuan Lee
- Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan; Department of Neurosurgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Lung Chan
- Department of Neurology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan
| | | | - Chien-Tai Hong
- Department of Neurology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan.
| | - Wei-Lun Lo
- Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan; Department of Neurosurgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
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Rohringer CR, Sewell IJ, Gandhi S, Isen J, Davidson B, McSweeney M, Swardfager W, Scantlebury N, Swartz RH, Hamani C, Giacobbe P, Nestor SM, Yunusova Y, Lam B, Schwartz ML, Lipsman N, Abrahao A, Rabin JS. Cognitive effects of unilateral thalamotomy for tremor: a meta-analysis. Brain Commun 2022; 4:fcac287. [PMID: 36440102 PMCID: PMC9683603 DOI: 10.1093/braincomms/fcac287] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/19/2022] [Accepted: 11/01/2022] [Indexed: 02/26/2024] Open
Abstract
Tremor is a debilitating symptom that can lead to functional impairment. Pharmacotherapy is often successful, but up to 50% of patients are resistant to medications or cannot tolerate side effects. Thalamotomy to the ventral intermediate nucleus of the thalamus is a surgical intervention for refractory tremor. Thalamotomy surgeries include radiofrequency and incisionless procedures, such as Gamma Knife radiosurgery and magnetic resonance-guided focused ultrasound. Cognitive changes following thalamotomy have been inconsistently reported across studies. We performed a meta-analysis to summarize the impact of unilateral thalamotomy to the ventral intermediate nucleus of the thalamus across multiple cognitive domains. We searched MEDLINE, Embase Classic, Embase and EBM Reviews for relevant studies. Neuropsychological tests were categorized into seven cognitive domains: global cognition, verbal memory, non-verbal memory, executive function, phonemic fluency, semantic fluency and visuospatial processing. We calculated standardized mean differences as Hedges' g and 95% confidence intervals of the change between pre- and postoperative cognitive scores. Pooling of standardized mean differences across studies was performed using random-effects models. Risk of bias across studies and quality of evidence for each cognitive domain were assessed with the National Institute of Health quality assessment tool and the GRADEpro Guideline Development Tool, respectively. Of the 1251 records reviewed, eight studies met inclusion criteria. We included 193 patients with essential tremor, Parkinson's disease, or multiple sclerosis in the meta-analysis. There was a small significant decline in phonemic fluency [standardized mean difference = -0.29, 95% confidence interval: (-0.52, -0.05), P = 0.017] and a trend towards a decline in semantic fluency [standardized mean difference = -0.19, 95% confidence interval: (-0.40, 0.01), P = 0.056]. No postoperative changes were observed in the other cognitive domains (P values >0.14). In secondary analyses, we restricted the analyses to studies using magnetic resonance-guided focused ultrasound given its growing popularity and more precise targeting. In those analyses, there was no evidence of cognitive decline across any domain (P values >0.37). In terms of risk of bias, five studies were rated as 'good' and three studies were rated as 'fair'. According to GRADEpro guidelines, the certainty of the effect for all cognitive domains was low. This study provides evidence that unilateral thalamotomy to the ventral intermediate nucleus of the thalamus is relatively safe from a cognitive standpoint, however, there may be a small decline in verbal fluency. Magnetic resonance-guided focused ultrasound might have a more favourable postoperative cognitive profile compared with other thalamotomy techniques.
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Affiliation(s)
- Camryn R Rohringer
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Isabella J Sewell
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Shikha Gandhi
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Jonah Isen
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Benjamin Davidson
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurosurgery, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Melissa McSweeney
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Walter Swardfager
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Nadia Scantlebury
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Richard H Swartz
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
| | - Clement Hamani
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurosurgery, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Peter Giacobbe
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Department of Psychiatry, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
| | - Sean M Nestor
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Department of Psychiatry, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
| | - Yana Yunusova
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON M5G 1V7, Canada
- Department of Speech-Language Pathology, University of Toronto, Toronto, ON M5G 1V7, Canada
- KITE, Toronto Rehabilitation Institute, University Health Network, Toronto, ON M5G 2A2, Canada
| | - Benjamin Lam
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
| | - Michael L Schwartz
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurosurgery, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
| | - Nir Lipsman
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurosurgery, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
| | - Agessandro Abrahao
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
| | - Jennifer S Rabin
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Harquail Centre for Neuromodulation, Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON M5G 1V7, Canada
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Abusrair AH, Elsekaily W, Bohlega S. Tremor in Parkinson's Disease: From Pathophysiology to Advanced Therapies. Tremor Other Hyperkinet Mov (N Y) 2022; 12:29. [PMID: 36211804 PMCID: PMC9504742 DOI: 10.5334/tohm.712] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/26/2022] [Indexed: 11/22/2022] Open
Abstract
Background Tremor is one of the most prevalent symptoms in Parkinson's Disease (PD). The progression and management of tremor in PD can be challenging, as response to dopaminergic agents might be relatively poor, particularly in patients with tremor-dominant PD compared to the akinetic/rigid subtype. In this review, we aim to highlight recent advances in the underlying pathogenesis and treatment modalities for tremor in PD. Methods A structured literature search through Embase was conducted using the terms "Parkinson's Disease" AND "tremor" OR "etiology" OR "management" OR "drug resistance" OR "therapy" OR "rehabilitation" OR "surgery." After initial screening, eligible articles were selected with a focus on published literature in the last 10 years. Discussion The underlying pathophysiology of tremor in PD remains complex and incompletely understood. Neurodegeneration of dopaminergic neurons in the retrorubral area, in addition to high-power neural oscillations in the cerebello-thalamo-cortical circuit and the basal ganglia, play a major role. Levodopa is the first-line therapeutic option for all motor symptoms, including tremor. The addition of dopamine agonists or anticholinergics can lead to further tremor reduction. Botulinum toxin injection is an effective alternative for patients with pharmacological-resistant tremor who are not seeking advanced therapies. Deep brain stimulation is the most well-established advanced therapy owing to its long-term efficacy, reversibility, and effectiveness in other motor symptoms and fluctuations. Magnetic resonance-guided focused ultrasound is a promising modality, which has the advantage of being incisionless. Cortical and peripheral electrical stimulation are non-invasive innovatory techniques that have demonstrated good efficacy in suppressing intractable tremor.
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Affiliation(s)
- Ali H. Abusrair
- Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary, Calgary, AB, Canada
- Division of Neurology, Department of Internal Medicine, Qatif Health Network, Qatif, Saudi Arabia
| | - Walaa Elsekaily
- College of Medicine, AlFaisal University, Riyadh, Saudi Arabia
| | - Saeed Bohlega
- Movement Disorders Program, Neurosciences Centre, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
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Pyrgelis ES, Agapiou E, Angelopoulou E. Holmes tremor: an updated review. Neurol Sci 2022; 43:6731-6740. [DOI: 10.1007/s10072-022-06352-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/13/2022] [Indexed: 10/15/2022]
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Stanziano M, Golfrè Andreasi N, Messina G, Rinaldo S, Palermo S, Verri M, Demichelis G, Medina JP, Ghielmetti F, Bonvegna S, Nigri A, Frazzetta G, D'Incerti L, Tringali G, DiMeco F, Eleopra R, Bruzzone MG. Resting State Functional Connectivity Signatures of MRgFUS Vim Thalamotomy in Parkinson's Disease: A Preliminary Study. Front Neurol 2022; 12:786734. [PMID: 35095731 PMCID: PMC8791196 DOI: 10.3389/fneur.2021.786734] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/02/2021] [Indexed: 12/03/2022] Open
Abstract
Magnetic Resonance-guided high-intensity Focused Ultrasound (MRgFUS) of the thalamic ventral intermediate nucleus (Vim) for tremor has increasingly gained interest as a new non-invasive alternative to standard neurosurgery. Resting state functional connectivity (rs-FC) correlates of MRgFUS have not been extensively investigated yet. A region of interest (ROI)-to-ROI rs-FC MRI “connectomic” analysis focusing on brain regions relevant for tremor was conducted on 15 tremor-dominant patients with Parkinson's disease who underwent MRgFUS. We tested whether rs-FC between tremor-related areas was modulated by MRgFUS at 1 and 3 months post-operatively, and whether such changes correlated with individual clinical outcomes assessed by the MDS-UPDRS-III sub items for tremor. Significant increase in FC was detected within bilateral primary motor (M1) cortices, as well as between bilateral M1 and crossed primary somatosensory cortices, and also between pallidum and the dentate nucleus of the untreated hemisphere. Correlation between disease duration and FC increase at 3 months was found between the putamen of both cerebral hemispheres and the Lobe VI of both cerebellar hemispheres, as well as between the Lobe VI of untreated cerebellar hemisphere with bilateral supplementary motor area (SMA). Drop-points value of MDS-UPDRS at 3 months correlated with post-treatment decrease in FC, between the anterior cingulate cortex and bilateral SMA, as well as between the Lobe VI of treated cerebellar hemisphere and the interpositus nucleus of untreated cerebellum. Tremor improvement at 3 months, expressed as percentage of intra-subject MDS-UPDRS changes, correlated with FC decrease between bilateral occipital fusiform gyrus and crossed Lobe VI and Vermis VI. Good responders (≥50% of baseline tremor improvement) showed reduced FC between bilateral SMA, between the interpositus nucleus of untreated cerebellum and the Lobe VI of treated cerebellum, as well as between the untreated SMA and the contralateral putamen. Good responders were characterized at baseline by crossed hypoconnectivity between bilateral putamen and M1, as well as between the putamen of the treated hemisphere and the contralateral SMA. We conclude that MRgFUS can effectively modulate brain FC within the tremor network. Such changes are associated with clinical outcome. The shifting mode of integration among the constituents of this network is, therefore, susceptible to external redirection despite the chronic nature of PD.
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Affiliation(s)
- Mario Stanziano
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy.,Neurosciences Department "Rita Levi Montalcini, " University of Turin, Turin, Italy
| | - Nico Golfrè Andreasi
- Parkinson and Movement Disorders Unit, Clinical Neurosciences Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giuseppe Messina
- Functional Neurosurgery Unit, Neurosurgery Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Sara Rinaldo
- Parkinson and Movement Disorders Unit, Clinical Neurosciences Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Sara Palermo
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy.,European Innovation Partnership on Active and Healthy Ageing, Brussels, Belgium
| | - Mattia Verri
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Greta Demichelis
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Jean Paul Medina
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Francesco Ghielmetti
- Health Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Salvatore Bonvegna
- Parkinson and Movement Disorders Unit, Clinical Neurosciences Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Anna Nigri
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | | | - Ludovico D'Incerti
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giovanni Tringali
- Functional Neurosurgery Unit, Neurosurgery Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Francesco DiMeco
- Neurosurgery Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy.,Pathophysiology and Transplantation Department, University of Milan, Milan, Italy.,Neurological Surgery Department, Johns Hopkins Medical School, Baltimore, MD, United States
| | - Roberto Eleopra
- Parkinson and Movement Disorders Unit, Clinical Neurosciences Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
| | - Maria Grazia Bruzzone
- Neuroradiology Unit, Diagnostic and Technology Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Carlo Besta, Milan, Italy
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10
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Hadley JR, Odéen H, Merrill R, Adams SI, Rieke V, Payne A, Parker DL. Improving image quality in transcranial magnetic resonance guided focused ultrasound using a conductive screen. Magn Reson Imaging 2021; 83:41-49. [PMID: 34242694 PMCID: PMC8449813 DOI: 10.1016/j.mri.2021.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/03/2021] [Indexed: 10/20/2022]
Abstract
Transcranial Magnetic Resonance guided Focused Ultrasound (TcMRgFUS) has been proven to be an effective treatment for some neurological disorders such as essential and Parkinson's tremor. However, magnetic resonance guidance at 3 Tesla (3T) frequencies and using the large hemispherical transducers required for TcMRgFUS results in artifactual low-signal bands that pass through key regions of the brain. The purpose of this work was to investigate the use of a circular conductive Radio Frequency (RF) screen, that is bent to have a 12 cm radius in one direction and positioned near the top or back of the head, to reduce or remove these artifactual low-signal bands in TcMRgFUS. The impact of using an RF screen to remove these low signal bands was studied in both imaging experiments and electromagnetic simulations. Hydrophone measurements of the acoustic transparency of the bronze 2 mm diameter square mesh screen used in the imaging studies were compared with temperature measurements with and without the screen in heating studies in the TcMRgFUS system. The imaging and simulation studies both show that for the different screen configurations studied in this work, RF screen removes the low-signal bands and increases both homogeneity and signal-to-noise ratio (SNR) throughout the region of the brain. Hydrophone and heating studies indicate that even a 2 mm wire mesh provides minimal attenuation to the ultrasound beam. Simulation results also suggest that a 1 cm mesh will provide adequate artifact suppression with even less ultrasound attenuation. An RF screen that disrupts the natural waveguide nature of the transducer in the 3T MR environment can change the electromagnetic field profile to reduce unwanted artifacts and provide an imaging region which has more homogeneity and higher SNR throughout the brain.
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Affiliation(s)
- J R Hadley
- Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, USA.
| | - H Odéen
- Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, USA.
| | - R Merrill
- Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, USA.
| | - S I Adams
- Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, USA.
| | - V Rieke
- Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, USA.
| | - A Payne
- Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, USA.
| | - D L Parker
- Radiology and Imaging Sciences, University of Utah, Salt Lake City, UT, USA.
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11
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Focused ultrasound for functional neurosurgery. J Neurooncol 2021; 156:17-22. [PMID: 34383232 DOI: 10.1007/s11060-021-03818-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 07/29/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Brain lesioning is a fundamental technique in the functional neurosurgery world. It has been investigated for decades and presented promising results long before novel pharmacological agents were introduced to treat movement disorders, psychiatric disorders, pain, and epilepsy. Ablative procedures were replaced by effective drugs during the 1950s and by Deep Brain Stimulation (DBS) in the 1990s as a reversible neuromodulation technique. In the last decade, however, the popularity of brain lesioning has increased again with the introduction of magnetic resonance-guided focused ultrasound (MRgFUS). OBJECTIVE In this review, we will cover the current and emerging role of MRgFUS in functional neurosurgery. METHODS Literature review from PubMed and compilation. RESULTS Investigated since 1930, MRgFUS is a technology enabling targeted energy delivery at the convergence of mechanical sound waves. Based on technological advancements in phased array ultrasound transducers, algorithms accounting for skull penetration by sound waves, and MR imaging for targeting and thermometry, MRgFUS is capable of brain lesioning with sub-millimeter precision and can be used in a variety of clinical indications. CONCLUSION MRgFUS is a promising technology evolving as a dominant tool in different functional neurosurgery procedures in movement disorders, psychiatric disorders, epilepsy, among others.
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12
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Bitton RR, Sheingaouz E, Assif B, Kelm N, Dayan M, Butts Pauly K, Ghanouni P. Evaluation of an MRI receive head coil for use in transcranial MR guided focused ultrasound for functional neurosurgery. Int J Hyperthermia 2021; 38:22-29. [PMID: 33459092 DOI: 10.1080/02656736.2020.1867242] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
BACKGROUND Trans-cranial MR guided focused ultrasound (tcMRgFUS) ablation targets are <5mm from critical neurological structures, creating a need for improved MR imaging and thermometry. The purpose of this study was to evaluate the performance of a dual-channel radiofrequency receive-only head coil designed specifically for integrated use in tcMRgFUS. METHODS Imaging used a 3 T MRI and the ExAblate Neuro System (INSIGHTEC Inc., Israel). Sensitivity maps determined receive-only coil uniformity. The head coil was compared to the volume body coil at the level of the thalamus using 1) T2-weighted imaging and 2) multi-echo MR thermometry of volunteers in the transducer helmet. Thermal sonications (40 W, 24s) were acquired in a heating phantom. Thermal maps in were constructed to evaluate temperature uncertainty, focal heating, and temperature evolution. RESULTS The normalized signal intensity showed up to a 35% variation. On T2wFSE images the SNR with the head coil is improved by 4x in the axial plane, and 3x in sagittal and coronal planes. The head coil provided better visualization of the thalamus and globus pallidus (axial), and of the anterior/posterior commissure, and brain stem/cerebellum (sagittal) compared to the body coil. MR thermometry showed a 4x gain in SNR in the thalamus. Thermometry showed a preserved focal spot with 20 °C temperature rise. The average temperature uncertainty (mean ± std) was reduced from σ T = 0.96 °C ± 0.55 °C for the body coil to σ T = 0.41 °C ± 0.24 °C for the head coil. CONCLUSIONS Greater SNR from the dual-channel head coil provides access to better treatment day visualization for treatment planning and higher precision intra-operative thermometry.
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Affiliation(s)
- Rachel Rinat Bitton
- Department of Radiology, School of Medicine, Stanford University, Stanford, CA, USA
| | | | | | | | | | - Kim Butts Pauly
- Department of Radiology, School of Medicine, Stanford University, Stanford, CA, USA
| | - Pejman Ghanouni
- Department of Radiology, School of Medicine, Stanford University, Stanford, CA, USA
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13
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Prada F, Cogliati C, Wu MA, Durando G, Montano N, Gaspare Vetrano I, Calliada F, Bastianello S, Pichiecchio A, Padilla F. Can Low-Intensity Pulsed Ultrasound Treat Discrete Pulmonary Lesions in Patients With COVID-19? JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2021; 40:1445-1450. [PMID: 33073873 DOI: 10.1002/jum.15522] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 08/05/2020] [Accepted: 09/07/2020] [Indexed: 06/11/2023]
Affiliation(s)
- Francesco Prada
- Ultrasound Neuroimaging and Therapy Laboratory, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Istituto Neurologico Carlo Besta, Milan, Italy
- Department of Neurological Surgery, University of Virginia School of Medicine, Charlottesville, Virginia, USA
- Focused Ultrasound Foundation, Charlottesville, Virginia, USA
| | - Chiara Cogliati
- Division of Internal Medicine, Azienda Socio Sanitaria Territoriale Fatebenefratelli-Sacco, Milan, Italy
| | - Maddalena Alessandra Wu
- Division of Internal Medicine, Azienda Socio Sanitaria Territoriale Fatebenefratelli-Sacco, Milan, Italy
| | - Giovanni Durando
- Ultrasound Laboratory, Istituto Nazionale di Ricerca Metrologica, Torino, Italy
| | - Nicola Montano
- Department of Internal Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Ignazio Gaspare Vetrano
- Ultrasound Neuroimaging and Therapy Laboratory, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Istituto Neurologico Carlo Besta, Milan, Italy
| | | | - Stefano Bastianello
- Department of Brain and Behavioral Neuroscience, University of Pavia, Pavia, Italy
- Department of Neuroradiology, IRCCS Mondino Foundation, Pavia, Italy
| | - Anna Pichiecchio
- Department of Brain and Behavioral Neuroscience, University of Pavia, Pavia, Italy
- Department of Neuroradiology, IRCCS Mondino Foundation, Pavia, Italy
| | - Frederic Padilla
- Department of Radiology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
- Focused Ultrasound Foundation, Charlottesville, Virginia, USA
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14
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Mo J, Priefer R. Medical Devices for Tremor Suppression: Current Status and Future Directions. BIOSENSORS-BASEL 2021; 11:bios11040099. [PMID: 33808056 PMCID: PMC8065649 DOI: 10.3390/bios11040099] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/18/2021] [Accepted: 03/24/2021] [Indexed: 01/14/2023]
Abstract
Tremors are the most prevalent movement disorder that interferes with the patient’s daily living, and physical activities, ultimately leading to a reduced quality of life. Due to the pathophysiology of tremor, developing effective pharmacotherapies, which are only suboptimal in the management of tremor, has many challenges. Thus, a range of therapies are necessary in managing this progressive, aging-associated disorder. Surgical interventions such as deep brain stimulation are able to provide durable tremor control. However, due to high costs, patient and practitioner preference, and perceived high risks, their utilization is minimized. Medical devices are placed in a unique position to bridge this gap between lifestyle interventions, pharmacotherapies, and surgical treatments to provide safe and effective tremor suppression. Herein, we review the mechanisms of action, safety and efficacy profiles, and clinical applications of different medical devices that are currently available or have been previously investigated for tremor suppression. These devices are primarily noninvasive, which can be a beneficial addition to the patient’s existing pharmacotherapy and/or lifestyle intervention.
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15
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Crawford L, Mueller D, Mathews L. Anesthetic Considerations for Functional Neurosurgery. Anesthesiol Clin 2021; 39:227-243. [PMID: 33563384 DOI: 10.1016/j.anclin.2020.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Functional neurosurgery is a rapidly growing field that uses surgical resection, ablation, or neuromodulation to treat an assortment of neurologic and psychiatric disorders, the most common of which are movement disorders and epilepsy. Anesthesiologists caring for patients undergoing neurofunctional procedures should be aware of the anesthetic implications of patients' underlying disease as well as procedure-specific concerns, such as the effects of anesthetics on intraoperative neuromonitoring and limited access to patients due to stereotactic frames or intraoperative imaging.
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Affiliation(s)
- Lane Crawford
- Department of Anesthesiology, Vanderbilt University Medical Center, 1301 Medical Center Drive, 4648 TVC, Nashville, TN 37232, USA.
| | - Dorothee Mueller
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 21st Ave S, 422 MAB, Nashville, TN 37212, USA
| | - Letha Mathews
- Department of Anesthesiology, Vanderbilt University Medical Center, 1301 Medical Center Drive, 4648 TVC, Nashville, TN 37232, USA
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16
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Sharma VD, Patel M, Miocinovic S. Surgical Treatment of Parkinson's Disease: Devices and Lesion Approaches. Neurotherapeutics 2020; 17:1525-1538. [PMID: 33118132 PMCID: PMC7851282 DOI: 10.1007/s13311-020-00939-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2020] [Indexed: 10/23/2022] Open
Abstract
Surgical treatments have transformed the management of Parkinson's disease (PD). Therapeutic options available for the management of PD motor complications include deep brain stimulation (DBS), ablative or lesioning procedures (pallidotomy, thalamotomy, subthalamotomy), and dopaminergic medication infusion devices. The decision to pursue these advanced treatment options is typically done by a multidisciplinary team by considering factors such as the patient's clinical characteristics, efficacy, ease of use, and risks of therapy with a goal to improve PD symptoms and quality of life. DBS has become the most widely used surgical therapy, although there is a re-emergence of interest in ablative procedures with the introduction of MR-guided focused ultrasound. In this article, we review DBS and lesioning procedures for PD, including indications, selection process, and management strategies.
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Affiliation(s)
- Vibhash D Sharma
- Department of Neurology, University of Kansas Medical Center, 3599 Rainbow Blvd, MS 3042, Kansas City, KS, 66160, USA.
| | - Margi Patel
- Department of Neurology, Emory University, Atlanta, GA, USA
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17
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Erickson-DiRenzo E, Sung CK, Ho AL, Halpern CH. Intraoperative Evaluation of Essential Vocal Tremor in Deep Brain Stimulation Surgery. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2020; 29:851-863. [PMID: 32073285 DOI: 10.1044/2019_ajslp-19-00079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Purpose Essential vocal tremor (EVT) is a prevalent and difficult-to-manage voice disorder. There is evidence that deep brain stimulation (DBS) of the ventral intermediate nucleus (Vim) of the thalamus may be beneficial for treating EVT. The objective of this preliminary investigation was to conduct intraoperative voice assessments during Vim-DBS implantation in order to evaluate immediate voice outcomes in medication-refractory essential tremor patients with co-occurring EVT. Method Seven adult subjects diagnosed with EVT undergoing Vim-DBS surgery participated in this investigation. Voice samples of sustained vowels were collected by a speech-language pathologist preoperatively and intraoperatively, immediately following Vim-DBS electrode placement. Voice evaluation included objective acoustic assessment of the rate and extent of EVT fundamental frequency and intensity modulation and subjective perceptual ratings of EVT severity. Results The rate of intensity modulation, extent of fundamental frequency modulation, and perceptual rating of EVT severity were significantly reduced intraoperatively as compared to preoperatively. Moderate, positive correlations were appreciated between a subset of acoustic measures and perceptual severity ratings. Conclusions The results of this study demonstrate a speech-language pathologist can conduct intra-operative evaluation of EVT during DBS surgery. Using a noninvasive, simple acoustic recording method, we were able to supplement perceptual subjective observation with objective assessment and demonstrate immediate, intraoperative improvements in EVT. The findings of this analysis inform the added value of intraoperative voice evaluation in Vim-DBS patients and contribute to the growing body of literature seeking to evaluate the efficacy of DBS as a treatment for EVT.
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Affiliation(s)
| | - C Kwang Sung
- Department of Otolaryngology-Head & Neck Surgery, School of Medicine, Stanford University, CA
| | - Allen L Ho
- Department of Neurosurgery, School of Medicine, Stanford University, CA
| | - Casey H Halpern
- Department of Neurosurgery, School of Medicine, Stanford University, CA
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18
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Sheehan K, Sheehan D, Sulaiman M, Padilla F, Moore D, Sheehan J, Xu Z. Investigation of the tumoricidal effects of sonodynamic therapy in malignant glioblastoma brain tumors. J Neurooncol 2020; 148:9-16. [PMID: 32361864 DOI: 10.1007/s11060-020-03504-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 04/17/2020] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Glioblastoma is the most common primary brain tumor; survival is typically 12-18 months after diagnosis. We sought to study the effects of sonodynamic therapy (SDT) using 5-Aminolevulinic acid hydrochloride (5-ALA) and high frequency focused ultrasound (FUS) on 2 glioblastoma cell lines. PROCEDURE Rat C6 and human U87 glioblastoma cells were studied under the following conditions: 1 mM 5-ALA (5-ALA); focused ultrasound (FUS); 5-ALA and focused ultrasound (SDT); control. Studied responses included cell viability using an MTT assay, microscopic changes using phase contract microscopy, apoptotic induction through a caspase-3 assay, and apoptosis staining to quantify cell death. RESULTS SDT led to a marked decrease in cell extension and reduction in cell size. For C6, the MTT assay showed reductions in cell viability for 5-ALA, FUS, and SDT groups of 5%, 16%, and 47%, respectively compared to control (p < 0.05). Caspase 3 induction in C6 cells relative to control showed increases of 109%, 110%, and 278% for 5-ALA, FUS, and SDT groups, respectively (p < 0.05). For the C6 cells, caspase 3 staining positivity was 2.1%, 6.7%, 11.2%, and 39.8% for control, 5-ALA, FUS, and SDT groups, respectively. C6 Parp-1 staining positivity was 1.9%, 6.5%, 9.0%, and 37.8% for control, 5-ALA, FUS, and SDT groups, respectively. U87 cells showed similar responses to the treatments. CONCLUSIONS Sonodynamic therapy resulted in appreciable glioblastoma cell death as compared to 5-ALA or FUS alone. The approach couples two already FDA approved techniques in a novel way to treat the most aggressive and malignant of brain tumors. Further study of this promising technique is planned.
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Affiliation(s)
- Kimball Sheehan
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA.
| | - Darrah Sheehan
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
| | - Mohanad Sulaiman
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
| | - Frederic Padilla
- Focused Ultrasound Foundation, Charlottesville, VA, USA
- Department of Radiology, University of Virginia, Charlottesville, VA, USA
| | - David Moore
- Focused Ultrasound Foundation, Charlottesville, VA, USA
| | - Jason Sheehan
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
| | - Zhiyuan Xu
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
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19
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Oertel MF, Baumann CR, Stieglitz LH. [Movement Disorders: What Are You Doing? What Can We Do?]. PRAXIS 2020; 109:433-437. [PMID: 32345180 DOI: 10.1024/1661-8157/a003422] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Movement Disorders: What Are You Doing? What Can We Do? Abstract. Disturbances of movement are common and varied. Frequent causes are systemic diseases such as Parkinson's syndromes and the essential tremor. Treatment options in practice and hospital include conservative, predominantly drug strategies such as oral administration of dopamine precursors or agonists, and pharmacological or non-pharmacological escalation strategies such as intramuscular botulinum toxin A injections, the subcutaneous or enteral drug pumps for apomorphine or levodopa and carbidopa, the effective deep brain stimulation and the novel focused ultrasound therapy, which are bound to highly specialized centers and should be considered as treatment option quite earlier and more frequently.
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Affiliation(s)
- Markus F Oertel
- Klinik für Neurochirurgie, Universitätsspital Zürich, Universität Zürich, Zürich
- Klinisches Neurozentrum, Universitätsspital Zürich, Universität Zürich, Zürich
| | - Christian R Baumann
- Klinisches Neurozentrum, Universitätsspital Zürich, Universität Zürich, Zürich
- Klinik für Neurologie, Universitätsspital Zürich, Universität Zürich, Zürich
| | - Lennart H Stieglitz
- Klinik für Neurochirurgie, Universitätsspital Zürich, Universität Zürich, Zürich
- Klinisches Neurozentrum, Universitätsspital Zürich, Universität Zürich, Zürich
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20
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Ma Y, Hsu G, Zhang F. The applicability and efficacy of magnetic resonance-guided high intensity focused ultrasound system in the treatment of primary trigeminal neuralgia. Med Hypotheses 2020; 139:109688. [PMID: 32240878 DOI: 10.1016/j.mehy.2020.109688] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 03/23/2020] [Indexed: 12/27/2022]
Abstract
Primary trigeminal neuralgia is a common clinical refractory neuralgia characterized by an onset of excruciating pain that can severely affect patients' quality of life. Long-term suffering from this pain may lead to depression, anxiety, and suicide. Current treatments, however, are associated with high recurrent rates and severe complications. We hypothesize that both the applicability and efficacy of magnetic resonance-guided high intensity focused ultrasound (MR-HIFU) treatment in primary trigeminal neuralgia can be achieved under the following conditions: a specific target focus and incident channel, a temperature measurement system that does not incur damage to surrounding tissues, and an optimal radiation dose. Successful non-invasive treatment of primary trigeminal neuralgia by MR-HIFU systems could represent a breakthrough of this technology applied to the oral and maxillofacial region.
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Affiliation(s)
- Yaping Ma
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing 401147, China; Department of Oral and Maxillofacial Surgery, Stomatological Hospital of Chongqing Medical University, Chongqing 401147, China
| | - Grace Hsu
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Fugui Zhang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital of Chongqing Medical University, Chongqing 401147, China; Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, MA 02114, USA.
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21
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Left Radiofrequency Thalamotomy for Drug-Refractory Essential Tremor. World Neurosurg 2019; 134:438. [PMID: 31704356 DOI: 10.1016/j.wneu.2019.10.180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 11/21/2022]
Abstract
Essential tremor is an idiopathic movement disorder characterized by bilateral action tremor of the upper limbs with or without other neurologic symptoms.1 Pharmacologic management is the first-line treatment for this condition. Surgical treatment includes deep brain stimulation and thalamotomy procedures.2 Furthermore, thalamotomy can be achieved by magnetic resonance imaging-guided focused ultrasound, stereotactic radiosurgery, or radiofrequency.3 Advantages of modulation therapies include bilateral implementation, adjustability, and reversibility of the effect.2 Disadvantages include delayed response, increased infection risk, and cost. Within ablation therapies, focused ultrasound is costly and not available widely, while stereotactic radiosurgery has a delayed symptomatic relief. Radiofrequency represents a cost-effective, widely available option with immediate results.3 We present the case of a 91-year-old right-handed man with essential tremor refractory to medical management (Video 1). He was offered all available treatment modalities and opted for a radiofrequency thalamotomy. Preoperative planning included stereotactic head frame placement and computed tomography scan. A left thalamic target with coordinates 11.5 mm lateral to the wall of the third ventricle, 8 mm anterior to the posterior commissure, and at the rostrocaudal level of the anterior commissure-posterior commissure plane was chosen. A 1.1-mm diameter, 10-mm tip RF electrode was advanced to the target. A lateral radiograph was taken to verify the position of the electrode. After trial stimulation, 2 RF lesions were performed. No intraoperative complications occurred. Immediate postoperative MRI showed an enhancing focus in the left thalamic lobe corresponding to the left thalamotomy lesion. The patient had excellent relief of tremor during his last follow-up, 5 months postoperatively.
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