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Rich AM, Karakoleva EV, McInerney J, Farace E, De Jesus S. Cerebrotendinous xanthomatosis tremor successfully controlled post-ventral intermediate nucleus-deep brain stimulation: a case report. Front Neurol 2023; 14:1243379. [PMID: 37712087 PMCID: PMC10498991 DOI: 10.3389/fneur.2023.1243379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/07/2023] [Indexed: 09/16/2023] Open
Abstract
Cerebrotendinous xanthomatosis (CTX) is a rare autosomal recessive disorder caused by a deficiency of the sterol 27-hydroxylase enzyme. This deficiency results in excess production and accumulation of cholestanol, which can lead to many clinical findings within the first three decades of life, including progressive neurological dysfunction. This is a treatable condition with improvements in neurological and non-neurological symptoms upon the early initiation of replacement therapy. This case report details a 42 years-old left-handed male in whom deep brain stimulation (DBS) intervention was pursued due to a limiting tremor related to delayed diagnosis and treatment of CTX at 22 years old. The application of DBS in treating tremors in a CTX patient has not previously been reported. For our patient, application of DBS led to meaningful and longstanding tremor control benefits that have required minimal changes to stimulation parameters post-DBS. These improvements to tremor were achieved without negative impact to his other CTX related comorbidities.
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Affiliation(s)
- Alyson M. Rich
- Department of Neurology, Penn State College of Medicine, Hershey, PA, United States
| | - Ema V. Karakoleva
- Department of Neurology, Penn State College of Medicine, Hershey, PA, United States
| | - James McInerney
- Department of Neurosurgery, Penn State Health-Hershey Medical Center, Hershey, PA, United States
| | - Elana Farace
- Department of Neurosurgery, Penn State Health-Hershey Medical Center, Hershey, PA, United States
| | - Sol De Jesus
- Department of Neurology, Penn State College of Medicine, Hershey, PA, United States
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Nakamura M, Maruo T, Hashimoto H, Goto S, Ushio Y. Brain abscess in a patient with generalized dystonia after deep brain stimulation: illustrative case. JOURNAL OF NEUROSURGERY. CASE LESSONS 2023; 5:CASE22239. [PMID: 36806009 PMCID: PMC10550627 DOI: 10.3171/case22239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 01/04/2023] [Indexed: 02/22/2023]
Abstract
BACKGROUND Infections related to deep brain stimulation (DBS) devices are not rare, but abscess formation in brain parenchyma is extremely rare. OBSERVATIONS A 50-year-old man with generalized dystonia had undergone DBS of bilateral globus pallidus internus. The authors attempted to remove the bilateral DBS system due to repeated device infections caused by metal allergies. However, the intracranial lead had to be left in place, because the lead was strongly adherent to brain parenchyma. Five years later, magnetic resonance imaging showed ring-like enhancement localized around the tip of the intracranial lead, suggesting brain abscess. In response to the symptoms, the remaining left intracranial electrode was removed. Brain abscesses require several months of treatment with appropriate antibiotics, but good outcomes can be achieved with appropriate treatment. LESSONS Brain abscess is a rare complication of DBS. In the present case, the infection spread from the subcutaneous infected foci to the intracranial area through the lead, resulting in the formation of a brain abscess. Removing as much of the device as possible from the body is therefore important, even if adhesions with brain parenchyma or other tissues are present, because of the risk of serious complications, as seen in this case.
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Affiliation(s)
- Masami Nakamura
- Department of Neurosurgery, KKR Otemae Hospital, Osaka, Japan
| | - Tomoyuki Maruo
- Department of Neurosurgery, KKR Otemae Hospital, Osaka, Japan
- Departments of Neurosurgery and
| | - Hiroaki Hashimoto
- Department of Neurosurgery, KKR Otemae Hospital, Osaka, Japan
- Neurological Diagnosis and Restoration, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan; and
| | - Satoshi Goto
- Department of Neurodegenerative Disorders Research, Institute of Biomedical Sciences, Graduate School of Medical Sciences, Tokushima University, Tokushima, Japan
| | - Yukitaka Ushio
- Department of Neurosurgery, KKR Otemae Hospital, Osaka, Japan
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Serva SN, Bernstein J, Thompson JA, Kern DS, Ojemann SG. An update on advanced therapies for Parkinson's disease: From gene therapy to neuromodulation. Front Surg 2022; 9:863921. [PMID: 36211256 PMCID: PMC9537763 DOI: 10.3389/fsurg.2022.863921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Advanced Parkinson's disease (PD) is characterized by increasingly debilitating impaired movements that include motor fluctuations and dyskinesias. At this stage of the disease, pharmacological management can result in unsatisfactory clinical benefits and increase the occurrence of adverse effects, leading to the consideration of advanced therapies. The scope of this review is to provide an overview of currently available therapies for advanced PD, specifically levodopa–carbidopa intestinal gel, continuous subcutaneous apomorphine infusion, radiofrequency ablation, stereotactic radiosurgery, MRI-guided focused ultrasound, and deep brain stimulation. Therapies in clinical trials are also discussed, including novel formulations of subcutaneous carbidopa/levodopa, gene-implantation therapies, and cell-based therapies. This review focuses on the clinical outcomes and adverse effects of the various therapies and also considers patient-specific characteristics that may influence treatment choice. This review can equip providers with updated information on advanced therapies in PD to better counsel patients on the available options.
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Affiliation(s)
- Stephanie N. Serva
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Jacob Bernstein
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - John A. Thompson
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Drew S. Kern
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Correspondence: Steven G. Ojemann Drew S. Kern
| | - Steven G. Ojemann
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Correspondence: Steven G. Ojemann Drew S. Kern
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Kondapavulur S, Burke J, Volz M, Wang DD, Starr PA. Use of Topical Vancomycin Powder to Reduce Surgical Site Infections after Deep Brain Stimulation Surgery: UCSF Experience and Meta-Analysis. Stereotact Funct Neurosurg 2022; 100:130-139. [PMID: 34839296 PMCID: PMC8917085 DOI: 10.1159/000520197] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 09/17/2021] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Surgical site infection (SSI) is the most common serious complication of deep brain stimulation (DBS) implantation surgery. Here, we report a single-surgeon experience on the efficacy of topical, intrawound vancomycin powder (VP) in reducing SSI for DBS surgery and present the first systematic review and meta-analysis examining the effect of topical vancomycin on SSI in patients after DBS surgery. METHODS For the retrospective review, all unique patients undergoing DBS surgery at UCSF for new hardware implantation or internal pulse generator (IPG) replacement by a single surgeon from September 2013 to March 2019, with at least 1 year of follow-up data, were included. For the meta-analysis, we included all primary studies that compared SSIs with and without application of topical vancomycin in DBS surgeries. RESULTS 368 unique patients met inclusion criteria; 195 patients received topical VP (VP group) and 173 did not (control). 99/195 patients in the VP group underwent new DBS implantation and 96/195 had IPG replacement. 71/173 patients in the control group had new DBS implantation and 102/173 had IPG replacement. There were 10 total cases of SSI: 4 patients from the VP group (3 new implants and 1 IPG replacement) and 6 patients from the control group (3 new implants and 3 IPG replacements), resulting in SSI rates of 2.1 and 3.5%, respectively (p value = 0.337). Including our retrospective analysis, 6 studies met inclusion criteria for the systematic review and meta-analysis. In the 4 studies that examined primary DBS implants, 479 total patients received topical VP and 436 did not; mean odds ratio for SSI with topical vancomycin was 0.802 (95% confidence interval [CI] 0.175-3.678). Across the 5 studies that examined IPG implantations or replacements, 606 total patients received topical VP while 1,173 patients did not; mean odds ratio for SSI with topical vancomycin was 0.492 (95% CI 0.164-1.475). In either case, topical VP application did not significantly decrease risk of SSI. CONCLUSION Surgical infections after DBS surgery are uncommon events, with studies demonstrating mixed results on whether topical vancomycin reduces this risk. Our single-institution retrospective analysis and systematic review of prior studies both demonstrated no significant SSI rate reduction with topical VP. This is likely due to low baseline SSI rates, resulting in a small effect size for prevention. Given the cost-effectiveness, simplicity, and low risk, topical, intrawound VP remains a treatment option to further reduce risk of SSI, particularly in settings with higher baseline infection rates.
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Affiliation(s)
| | - John Burke
- Department of Neurological Surgery, UCSF, San Francisco, CA, USA
| | - Monica Volz
- Department of Neurological Surgery, UCSF, San Francisco, CA, USA
| | - Doris D. Wang
- Department of Neurological Surgery, UCSF, San Francisco, CA, USA
| | - Philip A. Starr
- Department of Neurological Surgery, UCSF, San Francisco, CA, USA
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Li J, Zhang W, Mei S, Qiao L, Wang Y, Zhang X, Li J, Hu Y, Jia X, Zhang Y. Prevention and Treatment of Hardware-Related Infections in Deep Brain Stimulation Surgeries: A Retrospective and Historical Controlled Study. Front Hum Neurosci 2021; 15:707816. [PMID: 34512294 PMCID: PMC8427065 DOI: 10.3389/fnhum.2021.707816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 08/02/2021] [Indexed: 11/13/2022] Open
Abstract
Background Hardware-related infection in deep brain stimulation (DBS) is one of the most commonly reported complications frequently resulting in the removal of implantable pulse generator (IPG). Objective The aim of this study was to establish a useful strategy to better prevent and treat those infections and to improve the preservation rates of IPG. Methods We conducted a retrospective and historical controlled study of all adult patients (≥18 years old) who had undergone initial DBS implantation at a single center. All participants were enrolled in the control group (between June 2005 and June 2014) or intervention group (between July 2014 and May 2019) based on their surgery dates. We used the intraoperative irrigation with hydrogen dioxide solution in the intervention group. Based on the dates of diagnosis, patients with hardware-related infection after DBS were enrolled in group A (between June 2005 and June 2014) or group B (between July 2014 and May 2019). IPG-sparing algorithm (Isa) was applied for group B. The early-onset IPG infections of the control and intervention groups were evaluated. The IPG preservation rates in both groups A and B were statistically analyzed. Results Six cases of early IPG infection and subsequent IPG removal occurred in the control group, while none occurred after intraoperative usage of the hydrogen dioxide in the intervention group. IPG preservation rate of infected cases in group B was significantly higher than that in group A (70% vs.16%, p = 0.004). Conclusion The combined application of hydrogen dioxide solution and Isa seems to be an effective strategy to prevent IPG infection.
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Affiliation(s)
- Jiping Li
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Wenjie Zhang
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Shanshan Mei
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Liang Qiao
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yunpeng Wang
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Xiaohua Zhang
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Jianyu Li
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yongsheng Hu
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Xiaofei Jia
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yuqing Zhang
- Department of Functional Neurosurgery, Beijing Institute of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
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Spindler P, Faust K, Finger T, Schneider GH, Bayerl S, Trampuz A, Kühn AA, Vajkoczy P, Prinz V. High Frequency of Low-Virulent Microorganisms Detected by Sonication of Implanted Pulse Generators: So What? Stereotact Funct Neurosurg 2021; 100:8-13. [PMID: 34488223 DOI: 10.1159/000517472] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/10/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Deep brain stimulation (DBS) has become a well-established treatment modality for a variety of conditions over the last decades. Multiple surgeries are an essential part in the postoperative course of DBS patients if nonrechargeable implanted pulse generators (IPGs) are applied. So far, the rate of subclinical infections in this field is unknown. In this prospective cohort study, we used sonication to evaluate possible microbial colonization of IPGs from replacement surgery. METHODS All consecutive patients undergoing IPG replacement between May 1, 2019 and November 15, 2020 were evaluated. The removed hardware was investigated using sonication to detect biofilm-associated bacteria. Demographic and clinical data were analyzed. RESULTS A total of 71 patients with a mean (±SD) of 64.5 ± 15.3 years were evaluated. In 23 of these (i.e., 32.4%) patients, a positive sonication culture was found. In total, 25 microorganisms were detected. The most common isolated microorganisms were Cutibacterium acnes (formerly known as Propionibacterium acnes) (68%) and coagulase-negative Staphylococci (28%). Within the follow-up period (5.2 ± 4.3 months), none of the patients developed a clinical manifest infection. DISCUSSIONS/CONCLUSIONS Bacterial colonization of IPGs without clinical signs of infection is common but does not lead to manifest infection. Further larger studies are warranted to clarify the impact of low-virulent pathogens in clinically asymptomatic patients.
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Affiliation(s)
- Philipp Spindler
- Department of Neurosurgery and Center for Stroke research Berlin (CSB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Katharina Faust
- Department of Neurosurgery and Center for Stroke research Berlin (CSB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Tobias Finger
- Department of Neurosurgery and Center for Stroke research Berlin (CSB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Gerd-Helge Schneider
- Department of Neurosurgery and Center for Stroke research Berlin (CSB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Simon Bayerl
- Department of Neurosurgery and Center for Stroke research Berlin (CSB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Andrej Trampuz
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Center for Musculoskeletal Surgery (CMSC), Berlin, Germany
| | - Andrea A Kühn
- Department of Neurology, Movement Disorder and Neuromodulation Unit, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Peter Vajkoczy
- Department of Neurosurgery and Center for Stroke research Berlin (CSB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Vincent Prinz
- Department of Neurosurgery and Center for Stroke research Berlin (CSB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,Department of Neurosurgery, Goethe University, Frankfurt am Main, Germany
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Britz JPE, Franceschini PR, Ramos MB, de Aguiar PHP, Farah JO, de Aguiar PHP. Skin erosion in deep brain stimulation procedures: Using the temporalis muscle to treat this complication - A technical note. Surg Neurol Int 2021; 12:355. [PMID: 34345495 PMCID: PMC8326058 DOI: 10.25259/sni_372_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/12/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Skin erosion is a common complication after deep brain stimulator procedures. Despite being a relatively common event, there is no standard surgical technique or a widely accepted guideline for managing this kind of complication. Methods: We describe a case of cutaneous erosion in the connector’s site of deep brain stimulation case, surgically managed with anterior displacement of the connectors and overlapping and wrapping the connections within the temporal muscle. Results: Postoperatively, the patient did well and achieved complete resolution of the skin erosion, with no signs of infection or new skin lesions. Conclusion: This technique demonstrated to be effective in this case in the long-term follow-up.
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Affiliation(s)
- João Pedro Einsfeld Britz
- Department of Health Science, Medical School, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil
| | - Paulo Roberto Franceschini
- Department of Neurology and Neurosurgery, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil
| | - Miguel Bertelli Ramos
- Department of Health Science, Medical School, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil
| | | | - Jibril Osman Farah
- Department of Neurosurgery, The Walton Centre, Liverpool, United Kingdom
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Helmers AK, Kubelt C, Paschen S, Lübbing I, Cohrs G, Synowitz M. Can Deep Brain Stimulation Withdrawal Syndromes Be Avoided by Removing Infected Implanted Pulse Generator and Cables with Contralateral Replacement in the Same Session? Stereotact Funct Neurosurg 2021; 99:377-380. [PMID: 33677446 DOI: 10.1159/000513808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/23/2020] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Infections are feared complications following deep brain stimulation in 1.9 to 17.6% of cases. These infections can necessitate the removal of implants, which carries the risk of life-threatening withdrawal syndromes, especially in patients suffering from Parkinson's disease. In this report, we describe our procedure of removing an infected implanted pulse generator (IPG) and cables with contralateral replacement in the same session. METHODS We retrospectively analysed all patients with transpositions of an IPG and cables between 2017 and 2020 in a single-centre, university hospital setting. Medical records of all patients undergoing this particular surgical procedure were systematically reviewed. The shortest follow-up time was 12 months. RESULTS Between 2017 and 2020, we had 6 patients with a high risk of withdrawal syndrome in whom an infected IPG with cables was removed and replaced on the opposite side in the same session. There were postoperative complications in 2 patients: in one, the generator had to be re-affixed, and in the second, a skin transplant was required over one electrode because of skin necrosis. No case of invasive infection was seen, and the stimulation therapy was not interrupted. CONCLUSION One-session removal of an IPG and cables with contralateral replacement seems to be an effective therapy for patients at high risk of withdrawal syndrome.
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Affiliation(s)
| | | | | | | | - Gesa Cohrs
- Department of Neurosurgery, UKSH, Kiel, Germany
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Isaacs BR, Keuken MC, Alkemade A, Temel Y, Bazin PL, Forstmann BU. Methodological Considerations for Neuroimaging in Deep Brain Stimulation of the Subthalamic Nucleus in Parkinson's Disease Patients. J Clin Med 2020; 9:E3124. [PMID: 32992558 PMCID: PMC7600568 DOI: 10.3390/jcm9103124] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/17/2020] [Accepted: 09/25/2020] [Indexed: 12/17/2022] Open
Abstract
Deep brain stimulation (DBS) of the subthalamic nucleus is a neurosurgical intervention for Parkinson's disease patients who no longer appropriately respond to drug treatments. A small fraction of patients will fail to respond to DBS, develop psychiatric and cognitive side-effects, or incur surgery-related complications such as infections and hemorrhagic events. In these cases, DBS may require recalibration, reimplantation, or removal. These negative responses to treatment can partly be attributed to suboptimal pre-operative planning procedures via direct targeting through low-field and low-resolution magnetic resonance imaging (MRI). One solution for increasing the success and efficacy of DBS is to optimize preoperative planning procedures via sophisticated neuroimaging techniques such as high-resolution MRI and higher field strengths to improve visualization of DBS targets and vasculature. We discuss targeting approaches, MRI acquisition, parameters, and post-acquisition analyses. Additionally, we highlight a number of approaches including the use of ultra-high field (UHF) MRI to overcome limitations of standard settings. There is a trade-off between spatial resolution, motion artifacts, and acquisition time, which could potentially be dissolved through the use of UHF-MRI. Image registration, correction, and post-processing techniques may require combined expertise of traditional radiologists, clinicians, and fundamental researchers. The optimization of pre-operative planning with MRI can therefore be best achieved through direct collaboration between researchers and clinicians.
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Affiliation(s)
- Bethany R. Isaacs
- Integrative Model-based Cognitive Neuroscience Research Unit, University of Amsterdam, 1018 WS Amsterdam, The Netherlands; (A.A.); (P.-L.B.); (B.U.F.)
- Department of Experimental Neurosurgery, Maastricht University Medical Center, 6202 AZ Maastricht, The Netherlands;
| | - Max C. Keuken
- Municipality of Amsterdam, Services & Data, Cluster Social, 1000 AE Amsterdam, The Netherlands;
| | - Anneke Alkemade
- Integrative Model-based Cognitive Neuroscience Research Unit, University of Amsterdam, 1018 WS Amsterdam, The Netherlands; (A.A.); (P.-L.B.); (B.U.F.)
| | - Yasin Temel
- Department of Experimental Neurosurgery, Maastricht University Medical Center, 6202 AZ Maastricht, The Netherlands;
| | - Pierre-Louis Bazin
- Integrative Model-based Cognitive Neuroscience Research Unit, University of Amsterdam, 1018 WS Amsterdam, The Netherlands; (A.A.); (P.-L.B.); (B.U.F.)
- Max Planck Institute for Human Cognitive and Brain Sciences, D-04103 Leipzig, Germany
| | - Birte U. Forstmann
- Integrative Model-based Cognitive Neuroscience Research Unit, University of Amsterdam, 1018 WS Amsterdam, The Netherlands; (A.A.); (P.-L.B.); (B.U.F.)
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