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Tröster AI. Developments in the prediction of cognitive changes following deep brain stimulation in persons with Parkinson's disease. Expert Rev Neurother 2024; 24:643-659. [PMID: 38814926 DOI: 10.1080/14737175.2024.2360121] [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: 03/29/2024] [Accepted: 05/22/2024] [Indexed: 06/01/2024]
Abstract
INTRODUCTION Deep brain stimulation (DBS) is an effective treatment for Parkinson's disease (PD) motor symptoms that improves function and quality of life in appropriately selected patients. Because mild to moderate cognitive declines can follow DBS and impact quality of life in a minority of patients, an important consideration involves the cognitive deficit and its prediction. AREAS COVERED The author briefly summarizes cognitive outcomes from DBS and reviews in more detail the risks/predictors of post-DBS cognitive dysfunction by mainly focusing on work published between 2018 and 2024 and using comprehensive neuropsychological (NP) evaluations. Most publications concern bilateral subthalamic nucleus (STN) DBS. Comment is offered on challenges and potential avenues forward. EXPERT OPINION STN DBS is relatively safe cognitively but declines occur especially in verbal fluency and executive function/working memory. Numerous predictors and risk factors for cognitive outcomes have been identified (age and pre-operative neuropsychological status appear the most robust) but precise risk estimates cannot yet be confidently offered. Future studies should employ study center consortia, follow uniform reporting criteria (to be developed), capitalize on advances in stimulation, biomarkers, and artificial intelligence, and address DBS in diverse groups. Advances offer an avenue to investigate the amelioration of cognitive deficits in PD using neuromodulation.
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Affiliation(s)
- Alexander I Tröster
- Department of Clinical Neuropsychology and Center for Neuromodulation, Barrow Neurological Institute, Phoenix, Arizona, USA
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Almelegy A, Gunda S, Buyske S, Rosenbaum M, Sani S, Afshari M, Metman LV, Goetz CG, Hall D, Mouradian MM, Pal G. NIH Toolbox performance of persons with Parkinson's disease according to GBA1 and STN-DBS status. Ann Clin Transl Neurol 2024; 11:899-904. [PMID: 38337113 PMCID: PMC11021616 DOI: 10.1002/acn3.52005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/02/2024] [Accepted: 01/11/2024] [Indexed: 02/12/2024] Open
Abstract
OBJECTIVE Mutations in the glucocerebrosidase (GBA1) gene and subthalamic nucleus deep brain stimulation (STN-DBS) are independently associated with cognitive dysfunction in persons with Parkinson's disease (PwP). We hypothesized that PwP with both GBA1 mutations and STN-DBS are at greater risk of cognitive dysfunction than PwP with only GBA1 mutations or STN-DBS, or neither. In this study, we determined the pattern of cognitive dysfunction in PwP based on GBA1 mutation status and STN-DBS treatment. METHODS PwP who are GBA1 mutation carriers with or without DBS (GBA1+DBS+, GBA1+DBS-), and noncarriers with or without DBS (GBA1-DBS+, GBA1-DBS-) were included. Using the NIH Toolbox, cross-sectional differences in response inhibition, processing speed, and episodic memory were compared using analysis of variance with adjustment for relevant covariates. RESULTS Data were available for 9 GBA1+DBS+, 14 GBA1+DBS-, 17 GBA1-DBS+, and 26 GBA1-DBS- PwP. In this cross-sectional study, after adjusting for covariates, we found that performance on the Flanker test (measure of response inhibition) was lower in GBA1+DBS+ PwP compared with GBA1-DBS+ PwP (P = 0.030). INTERPRETATION PwP who carry GBA1 mutations and have STN-DBS have greater impaired response inhibition compared with PwP with STN-DBS but without GBA1 mutations. Longitudinal data, including preoperative scores, are required to definitively determine whether GBA1 mutation carriers respond differently to STN-DBS, particularly in the domain of response inhibition.
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Affiliation(s)
- Ahmad Almelegy
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
| | - Srujanesh Gunda
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
| | - Steven Buyske
- Department of StatisticsRutgers UniversityPiscatawayNew JerseyUSA
| | - Marc Rosenbaum
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Sepehr Sani
- Department of NeurosurgeryRush University Medical CenterChicagoIllinoisUSA
| | - Mitra Afshari
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Leo V. Metman
- Parkinson's Disease and Movement Disorders CenterNorthwestern University Feinberg School of MedicineChicagoIllinoisUSA
| | - Christopher G. Goetz
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Deborah Hall
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - M. Maral Mouradian
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
- Robert Wood Johnson Medical School Institute for Neurological Therapeutics, Rutgers Biomedical and Health SciencesPiscatawayNew JerseyUSA
| | - Gian Pal
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
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Wang Z, Zheng Z, Huang J, Cai X, Liu X, Xue C, Yao L, Lu G. Neurocognitive changes at different follow-up times after bilateral subthalamic nucleus deep brain stimulation in patients with Parkinson's disease. Heliyon 2024; 10:e26303. [PMID: 38379975 PMCID: PMC10877422 DOI: 10.1016/j.heliyon.2024.e26303] [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: 06/13/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/22/2024] Open
Abstract
Background Bilateral deep thalamic nucleus brain stimulation (STN-DBS) surgery is often used to treat the motor symptoms of patients with Parkinson's disease. The change of neurocognitive symptoms in patients is, however, still unclear. Objective We aimed at analyzing the deterioration of neurocognitive symptoms in patients with Parkinson's disease after deep brain stimulation surgery under different follow-up times. Methods A comprehensive literature review was conducted using Pubmed, Cochrane Library, and Web of Science to screen eligible study records, the meta-analysis was performed using an inverse variance method and a random-effects model. Additionally, the areas of analysis include five: cognition, executive function, memory capacity, and verbal fluency (phonetic fluency and semantic fluency). They were analyzed for changes at six and twelve months postoperatively compared to baseline. The Meta-analysis has been registered with PROSPERO under the registration number: CRD42022308786. Results In terms of overall cognitive performance, executive function, and memory capacity, the original studies show a trend of improvement in these areas at 12 months postoperatively compared with 6 months, at variance, patients did not improve or deteriorated in phonetic fluency(d = -0.42 at both 6-month and 12-month follow-up) and semantic fluency from 6 to 12 months postoperatively. Conclusion In terms of most neurocognitive symptoms, including cognitive ability, executive function, and learning memory capacity, bilateral STN-DBS surgery appears to be safe at relatively long follow-up times. However, postoperative phonetic and semantic fluency changes should still not be underestimated, and clinicians should pay more attention to patients' changes in both.
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Affiliation(s)
- Zhuohang Wang
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Zijian Zheng
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Junwen Huang
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Xu Cai
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Xinjie Liu
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Cheng Xue
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Longping Yao
- Institute for Anatomy and Cell Biology, Medical Faculty, Heidelberg University, 69120, Heidelberg, Germany
| | - Guohui Lu
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
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Hong J, Xie H, Chen Y, Liu D, Wang T, Xiong K, Mao Z. Effects of STN-DBS on cognition and mood in young-onset Parkinson's disease: a two-year follow-up. Front Aging Neurosci 2024; 15:1177889. [PMID: 38292047 PMCID: PMC10824910 DOI: 10.3389/fnagi.2023.1177889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 12/26/2023] [Indexed: 02/01/2024] Open
Abstract
Background The effects of subthalamic nucleus deep brain stimulation (STN-DBS) on the cognition and mood of patients with PD are still not uniformly concluded, and young-onset Parkinson's disease (YOPD) is even less explored. Objective To observe the effectiveness of STN-DBS on the cognition and mood of YOPD patients. Methods A total of 27 subjects, with a mean age at onset of 39.48 ± 6.24 and age at surgery for STN-DBS of 48.44 ± 4.85, were followed up preoperatively and for 2 years postoperatively. Using the Unified Parkinson disease rating scale (UPDRS), H&Y(Hoehn and Yahr stage), 39-Item Parkinson's Disease Questionnaire (PDQ-39), Mini-mental state examination (MMSE), Montreal Cognitive Assessment (MoCA), Hamilton depression scale (HAMD), Hamilton anxiety scale (HAMA) to assess motor, cognition, and mood. Results At the 2-year follow-up after STN-DBS, YOPD patients showed significant improvements in motor and quality of life (UPDRS III: p < 0.001, PDQ-39: p < 0.001); overall cognition was not significantly different from preoperative (MMSE: p = 0.275, MoCA: p = 0.913), although language function was significantly impaired compared to preoperative (MMSE: p = 0.004, MoCA: p = 0.009); depression and anxiety symptoms also improved significantly (HAMD: p < 0.001, HAMA: p < 0.001) and the depression score correlated significantly with motor (preoperative: r = 0.493, p = 0.009), disease duration (preoperative: r = 0.519, p = 0.006; postoperative: r = 0.406, p = 0.036) and H&Y (preoperative: r = 0.430, p = 0.025; postoperative: r = 0.387, p = 0.046); total anxiety scores were also significantly correlated with motor (preoperative: r = 0.553, p = 0.003; postoperative: r = 0.444, p = 0.020), disease duration (preoperative: r = 0.417, p = 0.031), PDQ-39 (preoperative: r = 0.464, p = 0.015) and H&Y (preoperative: r = 0.440, p = 0.022; postoperative: r = 0.526, p = 0.005). Conclusion STN-DBS is a safe and effective treatment for YOPD. The mood improved significantly, and overall cognition was not impaired, were only verbal fluency decreased but did not affect the improvement in quality of life.
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Affiliation(s)
- Jun Hong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Huimin Xie
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Yuhua Chen
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
| | - Di Liu
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Tianyu Wang
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
- Hebei Key Laboratory of Nerve Injury and Repair, Chengde Medical University, Chengde, China
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
- Key Laboratory of Emergency and Trauma, Ministry of Education, College of Emergency and Trauma, Hainan Medical University, Haikou, China
- Hunan Key Laboratory of Ophthalmology, Central South University, Changsha, China
| | - Zhiqi Mao
- Department of Neurosurgery, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
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Esplin N, Kusyk D, Jeong SW, Elhamdani S, Abdel Aziz K, Webb A, Angle C, Whiting D, Tomycz ND. Movement disorder Deep brain stimulation Hybridization: Patient and caregiver outcomes. Clin Park Relat Disord 2024; 10:100234. [PMID: 38292816 PMCID: PMC10827541 DOI: 10.1016/j.prdoa.2024.100234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 11/11/2023] [Accepted: 01/05/2024] [Indexed: 02/01/2024] Open
Abstract
Background and Objectives Deep brain stimulation (DBS) is a well-established surgical treatment for certain movement disorders and involves the implantation of brain electrodes connected to implantable pulse generators (IPGs). As more device manufacturers have entered the market, some IPG technology has been designed to be compatible with brain electrodes from other manufacturers, which has facilitated the hybridization of implant technology. The aim of this study was to assess the benefits of hybridization of non-rechargeable, constant voltage IPGs to rechargeable, constant current IPGs. Methods A list of DBS movement disorder patients who had their non-rechargeable, constant voltage IPGs replaced with rechargeable, constant current IPGs from a different manufacturer was compiled. Structured surveys of these patients, and their caregivers when applicable, were undertaken to determine both patient and caregiver satisfaction in this DBS hybridization strategy. Results Eighteen patients met inclusion criteria and twelve patients or their caregivers completed the structured survey (67% response rate). Nine patients had Parkinson's disease (75%), three had essential tremor (25%). Nine (75%) were converted from bilateral single-channel IPGs, and three (25%) were converted from a unilateral dual-channel IPGs. Overall, 92% of patients and caregivers surveyed reported improvement or no change in their symptoms, 92% reported a decrease or no change in their medication requirements, and 92% report they are satisfied or very satisfied with their IPG hybridization and would recommend the surgery to similar patients. There were no immediate surgical complications. Conclusion In this series of movement disorder DBS patients, surgery was safe and patient and caregiver satisfaction were high with a hybridization of non-rechargeable, constant voltage IPGs to rechargeable, constant current IPGs.
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Affiliation(s)
- Nathan Esplin
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Dorian Kusyk
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Seung W Jeong
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Shahed Elhamdani
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Khaled Abdel Aziz
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Amanda Webb
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Cindy Angle
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Donald Whiting
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
| | - Nestor D. Tomycz
- Department of Neurosurgery, Allegheny Health Network, 320 East North Ave, Pittsburgh PA 15212, United States
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Olson MC, Shill H, Ponce F, Aslam S. Deep brain stimulation in PD: risk of complications, morbidity, and hospitalizations: a systematic review. Front Aging Neurosci 2023; 15:1258190. [PMID: 38046469 PMCID: PMC10690827 DOI: 10.3389/fnagi.2023.1258190] [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: 07/13/2023] [Accepted: 10/30/2023] [Indexed: 12/05/2023] Open
Abstract
Introduction Parkinson's disease (PD) is a progressive and debilitating neurological disorder. While dopaminergic medication improves PD symptoms, continued management is complicated by continued symptom progression, increasing medication fluctuations, and medication-related dyskinesia. Deep brain stimulation (DBS) surgery is a well-accepted and widespread treatment often utilized to address these symptoms in advanced PD. However, DBS may also lead to complications requiring hospitalization. In addition, patients with PD and DBS may have specialized care needs during hospitalization. Methods This systematic review seeks to characterize the complications and risk of hospitalization following DBS surgery. Patient risk factors and modifications to DBS surgical techniques that may affect surgical risk are also discussed. Results It is found that, when candidates are carefully screened, DBS is a relatively low-risk procedure, but rate of hospitalization is somewhat increased for DBS patients. Discussion More research is needed to determine the relative influence of more advanced disease vs. DBS itself in increased rate of hospitalization, but education about DBS and PD is important to insure effective patient care within the hospital.
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Affiliation(s)
- Markey C. Olson
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
- Department of Neurosurgery, Barrow Brain and Spine, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Holly Shill
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Francisco Ponce
- Department of Neurosurgery, Barrow Brain and Spine, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Sana Aslam
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
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Angelopoulou E, Stanitsa E, Karpodini CC, Bougea A, Kontaxopoulou D, Fragkiadaki S, Koros C, Georgakopoulou VE, Fotakopoulos G, Koutedakis Y, Piperi C, Papageorgiou SG. Pharmacological and Non-Pharmacological Treatments for Depression in Parkinson's Disease: An Updated Review. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1454. [PMID: 37629744 PMCID: PMC10456434 DOI: 10.3390/medicina59081454] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/19/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023]
Abstract
Depression represents one of the most common non-motor disorders in Parkinson's disease (PD) and it has been related to worse life quality, higher levels of disability, and cognitive impairment, thereby majorly affecting not only the patients but also their caregivers. Available pharmacological therapeutic options for depression in PD mainly include selective serotonin reuptake inhibitors, serotonin and norepinephrine reuptake inhibitors, and tricyclic antidepressants; meanwhile, agents acting on dopaminergic pathways used for motor symptoms, such as levodopa, dopaminergic agonists, and monoamine oxidase B (MAO-B) inhibitors, may also provide beneficial antidepressant effects. Recently, there is a growing interest in non-pharmacological interventions, including cognitive behavioral therapy; physical exercise, including dance and mind-body exercises, such as yoga, tai chi, and qigong; acupuncture; therapeutic massage; music therapy; active therapy; repetitive transcranial magnetic stimulation (rTMS); and electroconvulsive therapy (ECT) for refractory cases. However, the optimal treatment approach for PD depression is uncertain, its management may be challenging, and definite guidelines are also lacking. It is still unclear which of these interventions is the most appropriate and for which PD stage under which circumstances. Herein, we aim to provide an updated comprehensive review of both pharmacological and non-pharmacological treatments for depression in PD, focusing on recent clinical trials, systematic reviews, and meta-analyses. Finally, we discuss the pharmacological agents that are currently under investigation at a clinical level, as well as future approaches based on the pathophysiological mechanisms underlying the onset of depression in PD.
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Affiliation(s)
- Efthalia Angelopoulou
- 1st Department of Neurology, Medical School, National and Kapodistrian University of Athens, Eginition Hospital, 11528 Athens, Greece; (E.A.); (E.S.); (A.B.); (D.K.); (S.F.); (C.K.)
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Evangelia Stanitsa
- 1st Department of Neurology, Medical School, National and Kapodistrian University of Athens, Eginition Hospital, 11528 Athens, Greece; (E.A.); (E.S.); (A.B.); (D.K.); (S.F.); (C.K.)
| | - Claire Chrysanthi Karpodini
- Sport and Physical Activity Research Centre, Faculty of Education, Health and Wellbeing, University of Wolverhampton, Wolverhampton WV1 1LY, UK;
| | - Anastasia Bougea
- 1st Department of Neurology, Medical School, National and Kapodistrian University of Athens, Eginition Hospital, 11528 Athens, Greece; (E.A.); (E.S.); (A.B.); (D.K.); (S.F.); (C.K.)
| | - Dionysia Kontaxopoulou
- 1st Department of Neurology, Medical School, National and Kapodistrian University of Athens, Eginition Hospital, 11528 Athens, Greece; (E.A.); (E.S.); (A.B.); (D.K.); (S.F.); (C.K.)
| | - Stella Fragkiadaki
- 1st Department of Neurology, Medical School, National and Kapodistrian University of Athens, Eginition Hospital, 11528 Athens, Greece; (E.A.); (E.S.); (A.B.); (D.K.); (S.F.); (C.K.)
| | - Christos Koros
- 1st Department of Neurology, Medical School, National and Kapodistrian University of Athens, Eginition Hospital, 11528 Athens, Greece; (E.A.); (E.S.); (A.B.); (D.K.); (S.F.); (C.K.)
| | | | - George Fotakopoulos
- Department of Neurosurgery, General University Hospital of Larissa, 41221 Larissa, Greece;
| | - Yiannis Koutedakis
- Functional Architecture of Mammals in Their Environment Laboratory, Department of Physical Education and Sport Science, University of Thessaly, 38221 Volos, Greece;
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Sokratis G. Papageorgiou
- 1st Department of Neurology, Medical School, National and Kapodistrian University of Athens, Eginition Hospital, 11528 Athens, Greece; (E.A.); (E.S.); (A.B.); (D.K.); (S.F.); (C.K.)
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Zhang T, Yang R, Pan J, Huang S. Parkinson's Disease Related Depression and Anxiety: A 22-Year Bibliometric Analysis (2000-2022). Neuropsychiatr Dis Treat 2023; 19:1477-1489. [PMID: 37404573 PMCID: PMC10317541 DOI: 10.2147/ndt.s403002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 06/14/2023] [Indexed: 07/06/2023] Open
Abstract
Background Parkinson's disease (PD) is one of the common neurodegenerative diseases. Depression and anxiety are the most common psychiatric symptoms of PD. It is important to study the potential relationship between PD and depression or anxiety. Aim This study aimed to use bibliometrics to analyze the papers about parkinson's disease related depression and anxiety over the last 22 years, and to characterize the current status of research and predict future hotspots. Methods In the Web of Science Core Collection (WoSCC) from 2000 to 2022, documents are searched according to specific subject words. The selected literature was retrospectively analyzed and mapped using CiteSpace and Vosviewer software. We analyzed countries, institutions, journals, authors, references and keywords. Results A total of 7368 papers were included from 2000 to 2022, and the number of publications has shown an upward trend year by year. Movement Disorder is the journal with the highest number of publications (391 publications, 5.31%) and citations (30,549 times), with the United States (2055 publications, 27.9%) and the University of Toronto (158 publications) being the countries and institutions with the highest number of publications. The high-frequency keywords focused on "quality of life", "deep brain stimulation" and "non-motor symptoms". "Functional connectivity", "gut microbiota" and "inflammation" may be at the forefront of future research. Conclusion Parkinson's disease related depression and anxiety have been increasingly studied over the past 22 years. Functional connectivity, gut microbiota, and inflammation will be the subject of active research hotspots in the future, and these findings may provide new research ideas for researchers.
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Affiliation(s)
- Tong Zhang
- Research and Development Center of Traditional Chinese Medicine, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Rui Yang
- Research and Development Center of Traditional Chinese Medicine, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Juhua Pan
- Research and Development Center of Traditional Chinese Medicine, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Shijing Huang
- Research and Development Center of Traditional Chinese Medicine, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
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Abdollahifard S, Farrokhi A, Mosalamiaghili S, Assadian K, Yousefi O, Razmkon A. Constant current or constant voltage deep brain stimulation: short answers to a long story. Acta Neurol Belg 2023; 123:1-8. [PMID: 36309957 DOI: 10.1007/s13760-022-02118-5] [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: 04/21/2022] [Accepted: 10/11/2022] [Indexed: 11/26/2022]
Abstract
PURPOSE Recently, the feature of generating constant current output has been added to the implantable pulse generators (IPGs). The efficacy of the conventionally used constant voltage (CV) stimulation has been proved in different movement and psychiatric disorders. In this systematic review, we aimed to discuss the effect of constant current (CC) and constant voltage stimulation on patients with Parkinson's disease (PD) who had subthalamic nucleus deep brain stimulation implantation; we also compared these methods of stimulation with each other. METHODS Using the words "Deep brain stimulation", "constant current" and "constant voltage", we developed a broad search strategy and a systematic search was conducted in PubMed, Scopus, Web of Science and Cochrane electronic bibliographic databases. Studies on the Parkinson's disease patients with subthalamic deep brain stimulation, which mentioned constant current or/and constant voltage setting stimulation were included. RESULTS After screening of 284 articles, 10 reports were found eligible for this study. The score of unified Parkinson's disease rating scale part 3 was improved compared to the baseline, whether the stimulation was CV at baseline or CC. No significant change in non-motor outcomes was found. CONCLUSIONS Although CC stimulation has shown a significant improvement in both motor and non-motor symptoms of PD, switching from CV to CC did not result in a significant change in the score of these items based on UPDRS. To sum up, implantation of constant current devices is safe and significantly improves motor function; it also maintains an acceptable safety profile in patients with PD.
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Affiliation(s)
- Saeed Abdollahifard
- Research Center for Neuromodulation and Pain, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amirmohammad Farrokhi
- Research Center for Neuromodulation and Pain, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyedarad Mosalamiaghili
- Research Center for Neuromodulation and Pain, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kasra Assadian
- Research Center for Neuromodulation and Pain, Shiraz, Iran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Omid Yousefi
- Research Center for Neuromodulation and Pain, Shiraz, Iran
| | - Ali Razmkon
- Research Center for Neuromodulation and Pain, Shiraz, Iran.
- Pierre Deniker Clinical Research Unit, Henri Laborit Hospital Centre, Poitiers, France.
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Gülşen Ç, Koçer B, Çomoğlu SS, Gündüz AG. The effect of subthalamic nucleus deep brain stimulation and dopaminergic treatment on dual-task manual dexterity in Parkinson's disease. Neurol Sci 2023; 44:1633-1641. [PMID: 36598618 DOI: 10.1007/s10072-022-06589-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 12/27/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND AND PURPOSE Dual-task manual dexterity is required to perform activities of daily living and is affected by cognitive functions. This study aimed to investigate the effects of two main treatment options, subthalamic nucleus deep brain stimulation (STN-DBS) and dopaminergic treatment (DT), on dual-task manual dexterity and cognitive functions of people with Parkinson's disease (PwPD). METHODS Twenty-one PwPD were assessed in four different conditions as medication "on-off" and STN-DBS "on-off" in random order. Motor symptoms were measured with the Movement Disorder Society-Unified Parkinson Disease Rating Scale, motor section (MDS-UPDRS-III). Single and dual-task manual dexterity was assessed with the Nine-Hole Peg Test (NHPT) and cognitive functions were assessed with the Stroop Test (ST) and the Trail Making Test (TMT). RESULTS Both DT and STN-DBS enhanced MDS-UPDRS-III, and the combination of DT and STN-DBS provided further improvement. Only STN-DBS enhanced dominant hand single-task NHPT scores. Non-dominant single-task NHPT scores and dual-task NHPT scores improved with both treatments alone; however, STN-DBS resulted in more improvement than DT. Dual-task interference, ST, and TMT scores improved with both treatments alone; however, combining DT and STN-DBS did not provide more improvement. CONCLUSION DT, STN-DBS, and combining both treatments have different effects on motor symptoms, single and dual-task manual dexterity, dual-task interference, and cognitive functions. These results indicate that DT and STN-DBS may affect motor and cognitive functions via different mechanisms. Effects of DT and STN-DBS on manual dexterity may depend on the degree of cognitive involvement in manual dexterity tasks.
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Affiliation(s)
- Çağrı Gülşen
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Gazi University, Emek, 6. Street, No: 2, Çankaya, 06490, Ankara, Turkey. .,Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Osmangazi University, Eskişehir, Turkey.
| | - Bilge Koçer
- Neurology Clinic, Ankara Dışkapı Yıldırım Beyazıt Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Selim Selçuk Çomoğlu
- Neurology Clinic, Ankara Dışkapı Yıldırım Beyazıt Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Arzu Güçlü Gündüz
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Gazi University, Emek, 6. Street, No: 2, Çankaya, 06490, Ankara, Turkey
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11
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Wang Y, Sun X, Li F, Li Q, Jin Y. Efficacy of non-pharmacological interventions for depression in individuals with Parkinson's disease: A systematic review and network meta-analysis. Front Aging Neurosci 2022; 14:1050715. [PMID: 36438007 PMCID: PMC9691406 DOI: 10.3389/fnagi.2022.1050715] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/26/2022] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND Depression in Parkinson's disease (PD) is a major health concern worldwide. Recently, an increasing number of non-pharmacological interventions have been used in PD to alleviate depressive symptoms. However, it is uncertain which intervention is the best, and related evidence is limited. This network meta-analysis was performed to compare and rank non-pharmacological interventions for PD and analyze their effects on depression to provide evidence for clinicians to choose appropriate non-pharmacological management options. METHODS The PubMed, Embase, Cochrane Central Register of Controlled Trials (CENTRAL), PsycINFO, China National Knowledge Infrastructure (CNKI), and Wanfang databases were searched from inception to April 7, 2022. Two authors screened all studies, extracted the data, and evaluated the methodological quality. STATA software version 16.0 was used to conduct the network meta-analysis. RESULTS Our network meta-analysis included 62 studies involving 3,050 participants and 35 non-pharmacological interventions. Although most non-pharmacological interventions showed non-significant effects, the surface under the cumulative ranking curve (SUCRA) values indicated that the best non-pharmacological intervention for depression was dance (82.3%), followed by LSVT-BIG therapy (77.4%), and CBT (73.6%). CONCLUSION Dance can be considered as an effective therapy for improving depression in patients with PD. In the future, more strictly designed trials are needed to verify the conclusions of this network meta-analysis.
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Affiliation(s)
- Yuxin Wang
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xue Sun
- Nursing Department, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Fei Li
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, China
| | - Qi Li
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yi Jin
- Department of Nursing, Tianjin Huanhu Hospital, Tianjin, China
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12
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Petersen JJ, Juul S, Jørgensen CK, Gluud C, Jakobsen JC. Deep brain stimulation for neurological disorders: a protocol for a systematic review with meta-analysis and Trial Sequential Analysis of randomised clinical trials. Syst Rev 2022; 11:218. [PMID: 36229825 PMCID: PMC9558400 DOI: 10.1186/s13643-022-02095-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 10/01/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Deep brain stimulation has been used since the 1980s for neurological disorders and the USA and Europe have now approved it for Parkinson's disease, essential tremor, dystonia, and epilepsy. Previous reviews have assessed the effects of deep brain stimulation on different neurological disorders. These reviews all had methodological limitations. METHODS This is a protocol for a systematic review based on searches of major medical databases (e.g. MEDLINE, EMBASE, CENTRAL) and clinical trial registries. Two review authors will independently extract data and conduct risk of bias assessment. We will include published and unpublished randomised clinical trial comparing deep brain stimulation versus no intervention, usual care, sham stimulation, medical treatment, or resective surgery for Parkinson's disease, essential tremor, dystonia, or epilepsy. The effects of deep brain stimulation will be analysed separately for each of the different diagnoses. Primary outcomes will be all-cause mortality, disease-specific symptoms, and serious adverse events. Secondary outcomes will be quality of life, depressive symptoms, executive functioning, level of functioning, and non-serious adverse events. Data will be analysed using fixed-effect and random-effects meta-analyses and Trial Sequential Analysis. Risk of bias will be assessed with the Cochrane Risk of Bias tool-version 2, an eight-step procedure to assess if the thresholds for clinical significance are crossed, and the certainty of the evidence will be assessed by Grading of Recommendations, Assessment, Development and Evaluations (GRADE). DISCUSSION Deep brain stimulation is increasingly being used for different neurological diseases, and the effects are unclear based on previous evidence. There is a need for a comprehensive systematic review of the current evidence. This review will provide the necessary background for weighing the benefits against the harms when assessing deep brain stimulation as intervention for individual neurological disorders. SYSTEMATIC REVIEW REGISTRATION PROSPERO 306,556.
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Affiliation(s)
- Johanne Juul Petersen
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, The Capital Region, Copenhagen University Hospital - Rigshospitalet, Blegdamsvej 9, Copenhagen Ø, 2100, Copenhagen, Denmark.
| | - Sophie Juul
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, The Capital Region, Copenhagen University Hospital - Rigshospitalet, Blegdamsvej 9, Copenhagen Ø, 2100, Copenhagen, Denmark
| | - Caroline Kamp Jørgensen
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, The Capital Region, Copenhagen University Hospital - Rigshospitalet, Blegdamsvej 9, Copenhagen Ø, 2100, Copenhagen, Denmark
| | - Christian Gluud
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, The Capital Region, Copenhagen University Hospital - Rigshospitalet, Blegdamsvej 9, Copenhagen Ø, 2100, Copenhagen, Denmark.,Department of Regional Health Research, Faculty of Health Sciences, University of Southern Denmark, J.B. Winsløws Vej 19, 3, Odense C, 5000, Odense, Denmark
| | - Janus Christian Jakobsen
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, The Capital Region, Copenhagen University Hospital - Rigshospitalet, Blegdamsvej 9, Copenhagen Ø, 2100, Copenhagen, Denmark.,Department of Regional Health Research, Faculty of Health Sciences, University of Southern Denmark, J.B. Winsløws Vej 19, 3, Odense C, 5000, Odense, Denmark
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13
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Hamdan AC, Vieira MD. Stroop Test for Parkinson's Disease with Deep Brain Stimulation: A Systematic Review. INNOVATIONS IN CLINICAL NEUROSCIENCE 2022; 19:29-34. [PMID: 36591546 PMCID: PMC9776780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background Deep brain stimulation (DBS) is considered an alternative treatment for patients with rapidly developing Parkinson's disease (PD). DBS can cause cognitive changes, and it is necessary to perform an executive assessment before and after DBS to better define the prognosis. Objective The aim of this study was to analyze the use of the Stroop test for assessment of cognitive functions in patients with PD undergoing DBS. Methods The systematic review was conducted in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Pubmed, Scopus, PsycInfo, and Web of Science were used as electronic databases. All included studies assessed the cognitive ability of patients with PD undergoing DBS through the application of the Stroop test. Results Thirty-five articles met the inclusion criteria. Among the studies, there were different formats of Stroop applications. Twenty-three articles presented negative results in relation to the individuals' performances in Stroop, compared to the control groups. The results suggested that there was no correlation between low performance in the test and global cognitive risk for the patients. Conclusion Patients with DBS declined in Stroop performance and showed impairments in response inhibition and speed. These results are not related to the lack of cognitive security of DBS. The Stroop test can be combined with other cognitive instruments to ensure greater approximation of results with reality measures.
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Affiliation(s)
- Amer Cavalheiro Hamdan
- Dr. Hamdan is with the Graduate Program in Psychology, Department of Psychology, Federal University of Parana in Curitiba, Brazil
| | - Mariana Drabik Vieira
- Dr. Vieira is a psychologist, candidate to master's in psychology, Department of Psychology, Graduate Program in Psychology, Federal University of Parana in Curitiba, Brazil
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14
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Mills KA, Pontone GM. The Dawn of Precision Medicine for Deep Brain Stimulation in Parkinson's Disease? Mov Disord 2022; 37:2191. [DOI: 10.1002/mds.29224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 08/29/2022] [Indexed: 11/11/2022] Open
Affiliation(s)
- Kelly A. Mills
- Department of Neurology The Johns Hopkins University School of Medicine Baltimore Maryland USA
| | - Gregory M. Pontone
- Department of Psychiatry & Behavioral Sciences The Johns Hopkins University School of Medicine Baltimore Maryland USA
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15
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Chang B, Ni C, Mei J, Xiong C, Chen P, Jiang M, Niu C. Nomogram for Predicting Depression Improvement after Deep Brain Stimulation for Parkinson’s Disease. Brain Sci 2022; 12:brainsci12070841. [PMID: 35884652 PMCID: PMC9313072 DOI: 10.3390/brainsci12070841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/20/2022] [Accepted: 06/25/2022] [Indexed: 12/04/2022] Open
Abstract
Background: Parkinson’s disease is a common neurodegenerative disease, with depression being a common non-motor symptom. Bilateral subthalamic nucleus deep brain stimulation is an effective method for the treatment of Parkinson’s disease. Thus, this study aimed to establish a nomogram of the possibility of achieving a better depression improvement rate after subthalamic nucleus deep brain stimulation in patients with Parkinson’s disease. Methods: We retrospectively analyzed 103 patients with Parkinson’s disease who underwent subthalamic nucleus deep brain stimulation and were followed up for the improvement of their Hamilton Depression scale scores 1 year postoperatively. Univariate and multivariate logistic regression analyses were used to select factors affecting the improvement rate of depression. A nomogram was then developed to predict the possibility of achieving better depression improvement. Furthermore, the discrimination and fitting performance was evaluated using a calibration diagram, receiver operating characteristics, and decision curve analysis. Results: The mean and median improvement rates of Hamilton Depression scores were 13.1 and 33.3%, respectively. Among the 103 patients, 70.8% had an improved depression, 23.3% had a worsened depression, and 5.8% remained unchanged. Logistic multivariate regression analysis showed that age, preoperative Parkinson’s Disease Questionnaire, Hamilton Anxiety, and Hamilton Depression scores were independent factors for the possibility of achieving a better depression improvement rate. Based on these results, a nomogram model was developed. The nomogram had a C-index of 0.78 (95% confidence interval: 0.69–0.87) and an area under the receiver operating characteristics of 0.78 (95% confidence interval: 0.69–0.87). The calibration plot and decision curve analysis further demonstrated goodness-of-fit between the nomogram predictions and actual observations. Conclusion: We developed a nomogram to predict the possibility of achieving good depression improvement 1 year after subthalamic nucleus deep brain stimulation in patients with Parkinson’s disease, which showed a certain value in judging the expected depression improvement of these patients.
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Affiliation(s)
- Bowen Chang
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; (B.C.); (C.N.); (J.M.); (C.X.); (P.C.); (M.J.)
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei 230001, China
| | - Chen Ni
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; (B.C.); (C.N.); (J.M.); (C.X.); (P.C.); (M.J.)
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei 230001, China
| | - Jiaming Mei
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; (B.C.); (C.N.); (J.M.); (C.X.); (P.C.); (M.J.)
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei 230001, China
| | - Chi Xiong
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; (B.C.); (C.N.); (J.M.); (C.X.); (P.C.); (M.J.)
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei 230001, China
| | - Peng Chen
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; (B.C.); (C.N.); (J.M.); (C.X.); (P.C.); (M.J.)
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei 230001, China
| | - Manli Jiang
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; (B.C.); (C.N.); (J.M.); (C.X.); (P.C.); (M.J.)
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei 230001, China
| | - Chaoshi Niu
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; (B.C.); (C.N.); (J.M.); (C.X.); (P.C.); (M.J.)
- Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei 230001, China
- Correspondence:
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16
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Prange S, Klinger H, Laurencin C, Danaila T, Thobois S. Depression in Patients with Parkinson's Disease: Current Understanding of its Neurobiology and Implications for Treatment. Drugs Aging 2022; 39:417-439. [PMID: 35705848 PMCID: PMC9200562 DOI: 10.1007/s40266-022-00942-1] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/09/2022] [Indexed: 12/11/2022]
Abstract
Depression is one of the most frequent and burdensome non-motor symptoms in Parkinson’s disease (PD), across all stages. Even when its severity is mild, PD depression has a great impact on quality of life for these patients and their caregivers. Accordingly, accurate diagnosis, supported by validated scales, identification of risk factors, and recognition of motor and non-motor symptoms comorbid to depression are critical to understanding the neurobiology of depression, which in turn determines the effectiveness of dopaminergic drugs, antidepressants and non-pharmacological interventions. Recent advances using in vivo functional and structural imaging demonstrate that PD depression is underpinned by dysfunction of limbic networks and monoaminergic systems, depending on the stage of PD and its associated symptoms, including apathy, anxiety, rapid eye movement sleep behavior disorder (RBD), cognitive impairment and dementia. In particular, the evolution of serotonergic, noradrenergic, and dopaminergic dysfunction and abnormalities of limbic circuits across time, involving the anterior cingulate and orbitofrontal cortices, amygdala, thalamus and ventral striatum, help to delineate the variable expression of depression in patients with prodromal, early and advanced PD. Evidence is accumulating to support the use of dual serotonin and noradrenaline reuptake inhibitors (desipramine, nortriptyline, venlafaxine) in patients with PD and moderate to severe depression, while selective serotonin reuptake inhibitors, repetitive transcranial magnetic stimulation and cognitive behavioral therapy may also be considered. In all patients, recent findings advocate that optimization of dopamine replacement therapy and evaluation of deep brain stimulation of the subthalamic nucleus to improve motor symptoms represents an important first step, in addition to physical activity. Overall, this review indicates that increasing understanding of neurobiological changes help to implement a roadmap of tailored interventions for patients with PD and depression, depending on the stage and comorbid symptoms underlying PD subtypes and their prognosis.
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Affiliation(s)
- Stéphane Prange
- Hospices Civils de Lyon, Hôpital Neurologique Pierre Wertheimer, Service de Neurologie C, Centre Expert Parkinson, NS-PARK/FCRIN Network, 59 Boulevard Pinel, 69500, Bron, France. .,Physiopathology of the Basal Ganglia Team, Univ Lyon, Institut des Sciences Cognitives Marc Jeannerod, CNRS, UMR 5229, 67 Boulevard Pinel, 69675, Bron, France. .,Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
| | - Hélène Klinger
- Hospices Civils de Lyon, Hôpital Neurologique Pierre Wertheimer, Service de Neurologie C, Centre Expert Parkinson, NS-PARK/FCRIN Network, 59 Boulevard Pinel, 69500, Bron, France
| | - Chloé Laurencin
- Hospices Civils de Lyon, Hôpital Neurologique Pierre Wertheimer, Service de Neurologie C, Centre Expert Parkinson, NS-PARK/FCRIN Network, 59 Boulevard Pinel, 69500, Bron, France.,Physiopathology of the Basal Ganglia Team, Univ Lyon, Institut des Sciences Cognitives Marc Jeannerod, CNRS, UMR 5229, 67 Boulevard Pinel, 69675, Bron, France
| | - Teodor Danaila
- Hospices Civils de Lyon, Hôpital Neurologique Pierre Wertheimer, Service de Neurologie C, Centre Expert Parkinson, NS-PARK/FCRIN Network, 59 Boulevard Pinel, 69500, Bron, France.,Physiopathology of the Basal Ganglia Team, Univ Lyon, Institut des Sciences Cognitives Marc Jeannerod, CNRS, UMR 5229, 67 Boulevard Pinel, 69675, Bron, France
| | - Stéphane Thobois
- Hospices Civils de Lyon, Hôpital Neurologique Pierre Wertheimer, Service de Neurologie C, Centre Expert Parkinson, NS-PARK/FCRIN Network, 59 Boulevard Pinel, 69500, Bron, France. .,Physiopathology of the Basal Ganglia Team, Univ Lyon, Institut des Sciences Cognitives Marc Jeannerod, CNRS, UMR 5229, 67 Boulevard Pinel, 69675, Bron, France. .,Faculté de Médecine et de Maïeutique Lyon Sud Charles Mérieux, Univ Lyon, Université Claude Bernard Lyon 1, Oullins, France.
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17
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Catalano Chiuvé S, Fournet M, Wegrzyk J, Assal F, Burkhard PR, Laganaro M. Longitudinal study of speech and dual-task performance in Parkinson's disease patients treated with subthalamic nucleus deep brain stimulation. Parkinsonism Relat Disord 2022; 97:75-78. [PMID: 35349893 DOI: 10.1016/j.parkreldis.2022.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/03/2022] [Accepted: 03/03/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Impairments in speech and executive functions are both observed in Parkinson's disease (PD) and might be influenced by subthalamic nucleus deep brain stimulation (STN-DBS). We investigated the effects of STN-DBS on speech and executive functions and their mutual interference in PD. METHODS 14 PD patients eligible for bilateral STN-DBS (PD-DBS), and 16 PD patients with best medical treatment (PD-BMT) were included. Global cognition, executive functions (inhibition and verbal fluency), speech tasks with acoustic measures, and a dual-task (DT) combining a speech task with a Go or Go/NoGo task were performed at baseline and 12 months follow-up. A normative group of matched healthy participants was included at baseline for the evaluation of speech and DT performance. RESULTS In both patient groups, global cognition mildly decreased after 12 months (p < .001). PD-DBS showed decreased inhibition (p = .016) whereas PD-BMT deteriorated in vowel articulation (p = .011). Using the DT paradigm, PD-DBS showed a slowing of speech rate after 12 months (p = .009) in contrast to PD-BMT (p = .203). CONCLUSION STN-DBS does not seem to impair speech and global cognition but might affect certain executive functions (notably inhibition). Speech-cognition interference is relatively preserved in PD patients, even though PD-DBS present larger DT cost on speech rate at 12 months post-DBS compared to PD-BMT. An evaluation with a longer follow-up using a larger sample is needed to confirm long-term effects.
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Affiliation(s)
| | - Maryll Fournet
- Department of Neurorehabilitation, Geneva University Hospitals, Geneva, Switzerland; University of Geneva, Faculty of Psychology and Educational Sciences, Geneva, Switzerland
| | - Jennifer Wegrzyk
- School of Health Sciences (HESAV), University of Applied Sciences and Arts Western Switzerland (HES-SO), Lausanne, Switzerland
| | - Frédéric Assal
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland
| | - Pierre R Burkhard
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland
| | - Marina Laganaro
- University of Geneva, Faculty of Psychology and Educational Sciences, Geneva, Switzerland
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18
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Bucur M, Papagno C. Deep Brain Stimulation in Parkinson Disease: A Meta-analysis of the Long-term Neuropsychological Outcomes. Neuropsychol Rev 2022; 33:307-346. [PMID: 35318587 PMCID: PMC10148791 DOI: 10.1007/s11065-022-09540-9] [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: 08/23/2021] [Accepted: 01/25/2022] [Indexed: 11/27/2022]
Abstract
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) or globus pallidum internus (GPi) improves motor functions in patients with Parkinson's disease (PD) but may cause a decline in specific cognitive domains. The aim of this systematic review and meta-analysis was to assess the long-term (1-3 years) effects of STN or GPi DBS on four cognitive functions: (i) memory (delayed recall, working memory, immediate recall), (ii) executive functions including inhibition control (Color-Word Stroop test) and flexibility (phonemic verbal fluency), (iii) language (semantic verbal fluency), and (iv) mood (anxiety and depression). Medline and Web of Science were searched, and studies published before July 2021 investigating long-term changes in PD patients following DBS were included. Random-effects model meta-analyses were performed using the R software to estimate the standardized mean difference (SMD) computed as Hedges' g with 95% CI. 2522 publications were identified, 48 of which satisfied the inclusion criteria. Fourteen meta-analyses were performed including 2039 adults with a clinical diagnosis of PD undergoing DBS surgery and 271 PD controls. Our findings add new information to the existing literature by demonstrating that, at a long follow-up interval (1-3 years), both positive effects, such as a mild improvement in anxiety and depression (STN, Hedges' g = 0,34, p = 0,02), and negative effects, such as a decrease of long-term memory (Hedges' g = -0,40, p = 0,02), verbal fluency such as phonemic fluency (Hedges' g = -0,56, p < 0,0001), and specific subdomains of executive functions such as Color-Word Stroop test (Hedges' g = -0,45, p = 0,003) were observed. The level of evidence as qualified with GRADE varied from low for the pre- verses post-analysis to medium when compared to a control group.
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Affiliation(s)
- Madalina Bucur
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Trento, Italy
| | - Costanza Papagno
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Trento, Italy.
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19
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Devignes Q, Daoudi S, Viard R, Lopes R, Betrouni N, Kuchcinski G, Rolland AS, Moreau C, Defebvre L, Bardinet E, Bonnet M, Brefel-Courbon C, Delmaire C, El Mountassir F, Fluchère F, Fradet A, Giordana C, Hainque E, Houvenaghel JF, Jarraya B, Klinger H, Maltête D, Marques A, Meyer M, Rascol O, Rouaud T, Tir M, Wirth T, Corvol JC, Devos D, Dujardin K. Heterogeneity of PD-MCI in Candidates to Subthalamic Deep Brain Stimulation: Associated Cortical and Subcortical Modifications. JOURNAL OF PARKINSON'S DISEASE 2022; 12:1507-1526. [PMID: 35599498 DOI: 10.3233/jpd-223232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
BACKGROUND Parkinson's disease mild cognitive impairment (PD-MCI) is frequent and heterogenous. There is no consensus about its influence on subthalamic deep brain stimulation (STN-DBS) outcomes. OBJECTIVE To determine the prevalence of PD-MCI and its subtypes in candidates to STN-DBS. Secondarily, we sought to identify MRI structural markers associated with cognitive impairment in these subgroups. METHODS Baseline data from the French multicentric PREDISTIM cohort were used. Candidates to STN-DBS were classified according to their cognitive performance in normal cognition (PD-NC) or PD-MCI. The latter included frontostriatal (PD-FS) and posterior cortical (PD-PC) subtypes. Between-group comparisons were performed on demographical and clinical variables as well as on T1-weighted MRI sequences at the cortical and subcortical levels. RESULTS 320 patients were included: 167 (52%) PD-NC and 153 (48%) PD-MCI patients. The latter group included 123 (80%) PD-FS and 30 (20%) PD-PC patients. There was no between-group difference regarding demographic and clinical variables. PD-PC patients had significantly lower global efficiency than PD-FS patients and significantly worse performance on visuospatial functions, episodic memory, and language. Compared to PD-NC, PD-MCI patients had cortical thinning and radiomic-based changes in the left caudate nucleus and hippocampus. There were no significant differences between the PD-MCI subtypes. CONCLUSION Among the candidates to STN-DBS, a significant proportion has PD-MCI which is associated with cortical and subcortical alterations. Some PD-MCI patients have posterior cortical deficits, a subtype known to be at higher risk of dementia.
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Affiliation(s)
- Quentin Devignes
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Neurology and Movement Disorders department, NS-Park/F-CRIN, Lille, France
| | - Sami Daoudi
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Neurology and Movement Disorders department, NS-Park/F-CRIN, Lille, France
| | - Romain Viard
- Univ. Lille, CNRS, Inserm, US 41 - UMS 2014 - PLBS, CHU Lille, Lille Pasteur Institute, Lille, France
| | - Renaud Lopes
- Univ. Lille, CNRS, Inserm, US 41 - UMS 2014 - PLBS, CHU Lille, Lille Pasteur Institute, Lille, France
| | - Nacim Betrouni
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Neurology and Movement Disorders department, NS-Park/F-CRIN, Lille, France
| | - Gregory Kuchcinski
- Univ. Lille, CNRS, Inserm, US 41 - UMS 2014 - PLBS, CHU Lille, Lille Pasteur Institute, Lille, France
| | - Anne-Sophie Rolland
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Department of Medical Pharmacology, NS-Park/F-CRIN, Lille, France
| | - Caroline Moreau
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Neurology and Movement Disorders department, NS-Park/F-CRIN, Lille, France
| | - Luc Defebvre
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Neurology and Movement Disorders department, NS-Park/F-CRIN, Lille, France
| | - Eric Bardinet
- Institut du Cerveau (ICM), Centre de Neuro-Imagerie de Recherche (CENIR), UMR S 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
| | - Marie Bonnet
- Centre Expert Parkinson, NS-Park/F-CRIN, Centre Mémoire de Ressources et de Recherche, IMNc, Hôpital Pellegrin, CHU de Bordeaux, France
| | - Christine Brefel-Courbon
- Service de Neurologie B8, Centre Expert Parkinson, NS-Park/F-CRIN, Hôpital Pierre Paul Riquet, CHU Purpan, Toulouse, France
| | - Christine Delmaire
- Department of Radiology, NS-Park/F-CRIN, Hôpital Fondation A de Rothschild, Paris, France
| | - Fouzia El Mountassir
- Université Paris-Saclay, CEA, CNRS, Baobab, Neurospin, Gif-sur-Yvette, France and Institut du Cerveau (ICM), UMR S 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
| | - Frédérique Fluchère
- Department of Neurology, NS-Park/F-CRIN, Assistance Publique - Hôpitaux de Marseille (APHM), Timone University Hospital and Institut de Neurosciences de la Timone, Marseille, France
| | - Anne Fradet
- Neurology Department, NS-Park/F-CRIN, University Hospital of Poitiers and INSERM, University of Poitiers, Centre d'Investigation Clinique CIC 1402, Poitiers, France
| | - Caroline Giordana
- Department of Neurology, NS-Park/F-CRIN, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Elodie Hainque
- Sorbonne Université, Paris Brain Institute - ICM, NS-Park/F-CRIN, Assistance publique Hôpitaux de Paris, Inserm, CRNS, Hôpital Pitié-Salpêtrière, Department of Neurology, Paris, France
| | | | - Béchir Jarraya
- Neuroscience Pole, NS-Park/F-CRIN, Hôpital Foch, Suresnes, University of Versailles Paris-Saclay, INSERM-CEA NeuroSpin, Saclay, France
| | - Hélène Klinger
- Hospices Civils de Lyon, Hôpital Neurologique Pierre Wertheimer, Service de Neurologie C, NS-Park/F-CRIN, Lyon, France
| | - David Maltête
- Department of Neurology, NS-Park/F-CRIN, Rouen University Hospital and University of Rouen, France; INSERM U1239, Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, Mont-Saint-Aignan, France
| | - Ana Marques
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, Institut Pascal, Clermont-Ferrand University Hospital, Neurology department, NS-Park/F-CRIN, Clermont-Ferrand, France
| | - Mylène Meyer
- Neurology department, NS-Park/F-CRIN, Central Hospital, CHRU-Nancy, Nancy, France
| | - Olivier Rascol
- Department of Clinical Pharmacology and Neuroscience, NS-Park/F-CRIN, Toulouse University Hospital, Toulouse, France
| | - Tiphaine Rouaud
- Department of Neurology, Centre Expert Parkinson, NS-Park/F-CRIN, CHU Nantes, Nantes, France
| | - Melissa Tir
- Department of Neurology, NS-PARK/FCRIN, Amiens University Hospital, Amiens, France
| | - Thomas Wirth
- Service de Neurologie, NS-Park/F-CRIN, Hôpitaux Universitaires de Strasbourg et Fédération de Médecine Translationnelle de Médecine de Strasbourg, Strasbourg, France
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, INSERM-U964/CNRS-UMR7104/Université de Strasbourg, Illkirch, France
| | - Jean-Christophe Corvol
- Sorbonne Université, Paris Brain Institute - ICM, NS-Park/F-CRIN, Assistance publique Hôpitaux de Paris, Inserm, CRNS, Hôpital Pitié-Salpêtrière, Department of Neurology, Paris, France
| | - David Devos
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Neurology and Movement Disorders department, NS-Park/F-CRIN, Lille, France
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Department of Medical Pharmacology, NS-Park/F-CRIN, Lille, France
| | - Kathy Dujardin
- Univ. Lille, Inserm, Lille Neurosciences and Cognition, CHU-Lille, Neurology and Movement Disorders department, NS-Park/F-CRIN, Lille, France
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Brown G, Du G, Farace E, Lewis MM, Eslinger PJ, McInerney J, Kong L, Li R, Huang X, De Jesus S. Subcortical Iron Accumulation Pattern May Predict Neuropsychological Outcomes After Subthalamic Nucleus Deep Brain Stimulation: A Pilot Study. JOURNAL OF PARKINSON'S DISEASE 2022; 12:851-863. [PMID: 34974437 PMCID: PMC9181238 DOI: 10.3233/jpd-212833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND: Neuropsychological outcomes after deep brain stimulation (DBS) are variable and may arise from the heterogeneous neuropathological processes in Parkinson’s disease (PD). OBJECTIVE: To explore if brain iron accumulation patterns and its region-specific alterations relate to neuropsychological outcomes post-DBS. METHODS: Thirty-two PD subjects were identified from our database with susceptibility MRI prior to bilateral subthalamic nucleus (STN) DBS between 2011–2016. Demographic (age, sex, education), clinical information (disease duration, neuropsychological scores), and R2* (susceptibility MRI measure reflecting iron) in 11 subcortical regions of interest were obtained. Neuropsychological outcomes were defined as changes in psychomotor speed, executive function, attention, memory, and depression by subtracting pre- and post-DBS scores. A penalized logistic analysis was used to identify the best pre-DBS clinical and R2* predictors for each neuropsychological domain. Pearson’s partial correlations explored R2* associations with neuropsychological outcomes. RESULTS: Combined clinical and MRI metrics were associated better with neuropsychological outcomes (R2≥0.373, p-value≤0.008) than either alone. Adding R2* metrics increased prediction of executive function (R2=0.455, p=0.008) and attention (R2=0.182, p=0.018) outcomes over clinical metrics alone. Specifically, R2* in the substantia nigra, caudate, STN, and hippocampus improved prediction of executive function, and in the putamen for attention. Interestingly, higher caudate R2* correlated with better executive function (p=0.043), whereas higher putamen R2* associated with worsening attention (p=0.018). CONCLUSIONS: Brain iron accumulation patterns, captured by susceptibility MRI, may add value to clinical evaluation in predicting neuropsychological outcomes post-DBS in PD. Further studies are warranted to validate these findings and understand the region-specific relationships between iron and DBS outcomes.
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Affiliation(s)
- Gregory Brown
- Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Guangwei Du
- Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
- Department of Radiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Elana Farace
- Department of Neurosurgery, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
- Department of Public Health Sciences, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Mechelle M Lewis
- Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
- Department of Pharmacology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Paul J Eslinger
- Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - James McInerney
- Department of Neurosurgery, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Lan Kong
- Department of Public Health Sciences, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Runze Li
- Department of Kinesiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Xuemei Huang
- Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
- Department of Neurosurgery, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
- Department of Pharmacology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
- Department of Statistics, Pennsylvania State University, University Park, PA, USA
- Department of Radiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
- Department of Kinesiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Sol De Jesus
- Department of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA, USA
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21
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Weiss D, Höglinger G, Klostermann F, Weise D, Zeuner KE, Reichmann H. [Hallucinations in Patients with Idiopathic Parkinson's Disease]. FORTSCHRITTE DER NEUROLOGIE-PSYCHIATRIE 2021; 90:456-464. [PMID: 34844278 DOI: 10.1055/a-1670-7111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Patients with idiopathic Parkinson's disease develop symptoms of the hallucination-psychosis spectrum in more than 20%. Most common are visual hallucinations. The pathogenesis of hallucinations mainly depends on disease duration, the distribution and extent of alpha-synuclein pathology, and modulating effects of the dopaminergic therapy. When managing PD hallucinations both anti-delirogenic actions and medication management are important. However, decrease in dopaminergic medication may lead to critical worsening of akinesia. If appropriate neuroleptic medication - essentially quetiapin or clozapin - can be considered. Instead, anti-dopaminergic neuroleptics should not be used owing to their pro-akinetic side-effects. Here, we provide therapy recommendations to manage PD hallucinations based on an up-to-date targeted review of the literature and expert-based empirical evidence.
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Affiliation(s)
- Daniel Weiss
- Neurologische Klinik mit Schwerpunkt Neurodegenerative Erkrankungen und Hertie-Institut für Klinische Hirnforschung, Universitätsklinikum Tübingen, Deutschland
| | - Günter Höglinger
- Klinik für Neurologie mit Klinischer Neurophysiologie, Medizinisch Hochschule Hannover, Deutschland
| | - Fabian Klostermann
- Klinik für Neurologie mit Experimenteller Neurologie, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Deutschland
| | - David Weise
- Klinik für Neurologie, Schmerztherapie und Schlafmedizin, Asklepios Fachklinikum Stadtroda, Deutschland
| | - Kirsten E Zeuner
- Klinik für Neurologie, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Deutschland
| | - Heinz Reichmann
- Klinik und Poliklinik für Neurologie, Universitätsklinikum Carl Gustav Carus Dresden, Deutschland
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22
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Weiss D, Volkmann J, Fasano A, Kühn A, Krack P, Deuschl G. Changing Gears - DBS For Dopaminergic Desensitization in Parkinson's Disease? Ann Neurol 2021; 90:699-710. [PMID: 34235776 DOI: 10.1002/ana.26164] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 07/06/2021] [Accepted: 07/06/2021] [Indexed: 12/19/2022]
Abstract
In Parkinson's disease, both motor and neuropsychiatric complications unfold as a consequence of both incremental striatal dopaminergic denervation and intensifying long-term dopaminergic treatment. Together, this leads to 'dopaminergic sensitization' steadily increasing motor and behavioral responses to dopaminergic medication that result in the detrimental sequalae of long-term dopaminergic treatment. We review the clinical presentations of 'dopaminergic sensitization', including rebound off and dyskinesia in the motor domain, and neuropsychiatric fluctuations and behavioral addictions with impulse control disorders and dopamine dysregulation syndrome in the neuropsychiatric domain. We summarize state-of-the-art deep brain stimulation, and show that STN-DBS allows dopaminergic medication to be tapered, thus supporting dopaminergic desensitization. In this framework, we develop our integrated debatable viewpoint of "changing gears", that is we suggest rethinking earlier use of subthalamic nucleus deep brain stimulation, when the first clinical signs of dopaminergic motor or neuropsychiatric complications emerge over the steadily progressive disease course. In this sense, subthalamic deep brain stimulation may help reduce longitudinal motor and neuropsychiatric symptom expression - importantly, not by neuroprotection but by supporting dopaminergic desensitization through postoperative medication reduction. Therefore, we suggest considering STN-DBS early enough before patients encounter potentially irreversible psychosocial consequences of dopaminergic complications, but importantly not before a patient shows first clinical signs of dopaminergic complications. We propose to consider neuropsychiatric dopaminergic complications as a new inclusion criterion in addition to established motor criteria, but this concept will require validation in future clinical trials. ANN NEUROL 2021.
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Affiliation(s)
- Daniel Weiss
- Centre for Neurology, Department for Neurodegenerative Diseases, and Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - Jens Volkmann
- Department of Neurology, University Hospital and Julius-Maximilian-University, Würzburg, Germany
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, ON, Canada.,Division of Neurology, University of Toronto, Toronto, ON, Canada.,Krembil Brain Institute, Toronto, ON, Canada.,Center for Advancing Neurotechnological Innovation to Application (CRANIA), Toronto, ON, Canada
| | - Andrea Kühn
- Department of Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Paul Krack
- Department of Neurology, Bern University Hospital and University of Bern, Bern, Switzerland
| | - Günther Deuschl
- Department of Neurology, University Hospital Schleswig Holstein (UKSH), Christian-Albrechts-University Kiel, Kiel, Germany
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Peralta M, Haegelen C, Jannin P, Baxter JSH. PassFlow: a multimodal workflow for predicting deep brain stimulation outcomes. Int J Comput Assist Radiol Surg 2021; 16:1361-1370. [PMID: 34216319 DOI: 10.1007/s11548-021-02435-9] [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: 01/12/2021] [Accepted: 06/17/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Deep Brain Stimulation (DBS) is a proven therapy for Parkinson's Disease (PD), frequently resulting in an enhancement of motor function. Nonetheless, several undesirable side effects can occur after DBS, which can worsen the quality of life of the patient. Thus, the clinical team has to carefully select patients on whom to perform DBS. Over the past decade, there have been some attempts to relate pre-operative data and DBS clinical outcomes, with most focused on the motor symptomatology. In this paper, we propose a machine learning-based method able to predict a large number of DBS clinical outcomes for PD. METHODS We propose a multimodal pipeline, referred to as PassFlow, which predicts 84 clinical post-operative clinical scores. PassFlow is composed of an artificial neural network to compress clinical information, an image processing method from the state-of-the-art to extract morphological biomarkers our of T1 imaging, and an SVM to perform the regressions. We validated PassFlow on 196 PD patients who undergone a DBS. RESULTS PassFlow showed correlation coefficients as high as 0.71 and were able to significantly predict 63 out of the 84 scores, outperforming a comparative linear method. The number of metrics that are predicted with this pre-operative information was also found to be correlated with the number of patients with this information available, indicating that the PassFlow method is still actively learning. CONCLUSION We presented a novel, machine learning-based pipeline to predict a variety of post-operative clinical outcomes of DBS for PD patients. PassFlow took into account various bio-markers, arising from different data modalities, showing high correlation coefficients for some scores from pre-operative data only. It indicates that many clinical outcomes of DBS can be predicted agnostic to the specific simulation parameters, as PassFlow has been validated without such stimulation-related information.
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Affiliation(s)
- Maxime Peralta
- Université de Rennes 1, INSERM, LTSI - UMR 1099, 35000, Rennes, France
| | - Claire Haegelen
- Department of Neurosurgery, Centre Hospitalier Universitaire de Rennes, Rennes, France
| | - Pierre Jannin
- Université de Rennes 1, INSERM, LTSI - UMR 1099, 35000, Rennes, France
| | - John S H Baxter
- Université de Rennes 1, INSERM, LTSI - UMR 1099, 35000, Rennes, France.
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Correlates of deep brain stimulation consensus conference decision to treat primary dystonia. Clin Neurol Neurosurg 2021; 207:106747. [PMID: 34237680 DOI: 10.1016/j.clineuro.2021.106747] [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: 04/25/2020] [Revised: 12/03/2020] [Accepted: 05/24/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND Deep brain stimulation (DBS) is an effective treatment for motor disturbance in people with primary dystonia (PWD). Numerous factors are considered by an interdisciplinary consensus conference before deciding candidacy for DBS surgery (e.g., demographic, medical, cognitive, and behavioral factors). However, little is known about which of these factors are associated with PWD DBS surgery consensus conference decisions. OBJECTIVE Our goal was to examine whether pre-operative demographic, medical, and cognitive/behavioral variables are associated DBS consensus conference decisions in patients with dystonia. METHODS Thirty-two PWD completed comprehensive presurgery workup included neurological and neuropsychological exams, and neuroimaging in consideration for DBS surgery. An interdisciplinary conference committee either recommended or did not recommend DBS surgery based upon these data. Demographic and medical data (e.g., dystonia disease characteristics, medical comorbidities, medications) were also collected. We also examined impact from cardiovascular disease factors, using a Revised Cardiac Risk Index. PWD were grouped based on DBS conference decision (eligible: n = 21, ineligible: n = 11) and compared across demographic, medical, and cognitive/behavioral variables. RESULTS Across clinical variables, PWD who were deemed ineligible for DBS surgery had a higher Revised Cardiac Risk Index. PWD who were classified as ineligible displayed lower global cognitive functioning, working memory, phonemic fluency, memory retrieval, and cognitive flexibility. CONCLUSIONS Consensus decision making regarding DBS surgery eligibility involves a multifactorial process. We found that deficits in executive functioning were associated with the DBS consensus committee decision. We also observed elevated cardiac risk among these individuals, likely reflecting the relation between vascular health and cognition. Implications, and clinical and scientific applications of these findings are discussed.
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25
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Wang J, Pan R, Cui Y, Wang Z, Li Q. Effects of Deep Brain Stimulation in the Subthalamic Nucleus on Neurocognitive Function in Patients With Parkinson's Disease Compared With Medical Therapy: A Meta-Analysis. Front Neurol 2021; 12:610840. [PMID: 33737902 PMCID: PMC7960912 DOI: 10.3389/fneur.2021.610840] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 01/27/2021] [Indexed: 12/21/2022] Open
Abstract
Background: DBS has been shown to significantly affect motor symptoms in Parkinson's disease (PD). However, some studies have suggested that it may have adverse effects on patients' neurocognitive function. To clarify this operation's effect on neurocognitive function, we collected studies containing neurocognitive function evaluation for qualitative and quantitative analysis. Methods: We searched relevant clinical studies through Pubmed and Embase databases and extracted and sorted out information such as sample size, post-operative scores, pre-operative and post-operative evaluation interval, PD course, and exclusion criteria, from articles meeting the standards. The magnitude and variance of the DBS group's combined effects and the drug therapy group in each neurocognitive domain were calculated and analyzed by the random-effects model. Results: Compared with the drug treatment group, the verbal fluency of patients in the experimental group was significantly decreased at least moderately (ES = −0.553), in which the phonemic fluency declines greatly (ES = −0.842), learning and memory ability was slightly decreased (ES = −0.305), and other neurocognitive functions were not significantly decreased. Conclusion: STN-DBS can affect verbal fluency and damage learning and memory. There was no significant correlation between the above effects and disease progression itself, and it was more likely to be associated with STN-DBS. It is suggested that post-operative patients should be trained and evaluated regularly for their verbal fluency and learning and memory ability. The safety of STN-DBS is acceptable for the majority of patients with motor symptoms.
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Affiliation(s)
- Jiazhen Wang
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, China
| | - Ru Pan
- Pathology Department of Huzhou Central Hospital, Huzhou, China
| | - Ying Cui
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, China.,Department of Neurology, Xiangya Hospital of Central South University, Changsha, China
| | - Zhigang Wang
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, China
| | - Qinghua Li
- Guangxi Clinical Research Center for Neurological Diseases, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin, China
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26
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John KD, Wylie SA, Dawant BM, Rodriguez WJ, Phibbs FT, Bradley EB, Neimat JS, van Wouwe NC. Deep brain stimulation effects on verbal fluency dissociated by target and active contact location. Ann Clin Transl Neurol 2021; 8:613-622. [PMID: 33596331 PMCID: PMC7951101 DOI: 10.1002/acn3.51304] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 12/17/2020] [Accepted: 12/23/2020] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Deep brain stimulation (DBS) improves motor symptoms in Parkinson's disease (PD), but it can also disrupt verbal fluency with significant costs to quality of life. The current study investigated how variability of bilateral active electrode coordinates along the superior/inferior, anterior/posterior, and lateral/medial axes in the subthalamic nucleus (STN) or the globus pallidus interna (GPi) contribute to changes in verbal fluency. We predicted that electrode location in the left hemisphere would be linked to changes in fluency, especially in the STN. METHODS Forty PD participants treated with bilateral DBS targeting STN (n = 23) or GPi (n = 17) completed verbal fluency testing in their optimally treated state before and after DBS therapy. Normalized atlas coordinates from left and right active electrode positions along superior/inferior, anterior/posterior, and lateral/medial axes were used to predict changes in fluency postoperatively, separately for patients with STN and GPi targets. RESULTS Consistent with prior studies, fluency significantly declined pre- to postsurgery (in both DBS targets). In STN-DBS patients, electrode position along the inferior to superior axis in the left STN was a significant predictor of fluency changes; relatively more superior left active electrode was associated with the largest fluency declines in STN. Electrode coordinates in right STN or GPi (left or right) did not predict fluency changes. INTERPRETATION We discuss these findings in light of putative mechanisms and potential clinical impact.
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Affiliation(s)
- Kevin D. John
- Department of Neurological SurgeryUniversity of LouisvilleLouisvilleKYUSA
| | - Scott A. Wylie
- Department of Neurological SurgeryUniversity of LouisvilleLouisvilleKYUSA
| | - Benoit M. Dawant
- Department of Electrical Engineering and Computer ScienceVanderbilt UniversityNashvilleTNUSA
| | - William J. Rodriguez
- Department of Electrical Engineering and Computer ScienceVanderbilt UniversityNashvilleTNUSA
| | - Fenna T. Phibbs
- Department of NeurologyVanderbilt University Medical CenterNashvilleTNUSA
| | - Elise B. Bradley
- Department of NeurologyVanderbilt University Medical CenterNashvilleTNUSA
| | - Joseph S. Neimat
- Department of Neurological SurgeryUniversity of LouisvilleLouisvilleKYUSA
| | - Nelleke C. van Wouwe
- Department of Neurological SurgeryUniversity of LouisvilleLouisvilleKYUSA
- Department of NeurologyVanderbilt University Medical CenterNashvilleTNUSA
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27
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Azevedo P, Aquino CC, Fasano A. Surgical Management of Parkinson's Disease in the Elderly. Mov Disord Clin Pract 2021; 8:500-509. [PMID: 33981782 DOI: 10.1002/mdc3.13161] [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: 10/23/2020] [Revised: 01/11/2021] [Accepted: 01/19/2021] [Indexed: 11/09/2022] Open
Abstract
Background Deep Brain Stimulation (DBS) is an increasingly popular therapy for Parkinson's Disease (PD). Despite the experience gained over time with DBS of either the subthalamus or the globus pallidus pars interna, there is still no consensus regarding the age limit for DBS indication. Objectives This narrative review of the literature discusses the issues of age and DBS, emphasizing the critical need for good quality evidence to support the surgical management of elderly patients with PD. Methods We searched PubMed using the terms Parkinson's Disease; Parkinson's Disease therapy; deep brain stimulation; antiparkinsonian agents therapeutic use; age factors; aged; aged, 80 and over; middle aged; treatment outcome; and risk assessments. Results We identified several limitations of the available evidence, such as under-representation of older patients in DBS studies, small sample sizes in studies with older participants, heterogeneity of outcomes, and conflicting results. Conclusions Despite preliminary suggestions that age might affect the outcomes of DBS, the evidence to support the hypothesis of age as an independent predictor of DBS outcomes is limited and results are controversial. Ultimately, finding an age-independent biomarker predicting DBS outcome is the final goal to expand this powerful treatment to all patients age in an effective and safe manner.
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Affiliation(s)
- Paula Azevedo
- Edmond J. Safra Program in Parkinson's Disease and Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Division of Neurology University of Toronto Toronto Ontario Canada
| | - Camila C Aquino
- Department of Clinical Neurosciences University of Calgary Calgary Alberta Canada.,Hotchkiss Brain Institute, University of Calgary Calgary Alberta Canada
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease and Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Division of Neurology University of Toronto Toronto Ontario Canada.,Krembil Brain Institute Toronto Ontario Canada.,CenteR for Advancing Neurotechnological Innovation to Application (CRANIA) Toronto Ontario Canada
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28
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Cognitive effects of theta frequency bilateral subthalamic nucleus stimulation in Parkinson's disease: A pilot study. Brain Stimul 2021; 14:230-240. [PMID: 33418095 DOI: 10.1016/j.brs.2020.12.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 11/12/2020] [Accepted: 12/28/2020] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND There is significant evidence for cognitive decline following deep brain stimulation (DBS). Current stimulation paradigms utilize gamma frequency stimulation for optimal motor benefits; however, little has been done to optimize stimulation parameters for cognition. Recent evidence implicates subthalamic nucleus (STN) theta oscillations in executive function, and theta oscillations are well-known to relate to episodic memory, suggesting that theta frequency stimulation could potentially improve cognition in Parkinson's disease (PD). OBJECTIVE To evaluate the acute effects of theta frequency bilateral STN stimulation on executive function in PD versus gamma frequency and off, as well as investigate the differential effects on episodic versus nonepisodic verbal fluency. METHODS Twelve patients (all males, mean age 60.8) with bilateral STN DBS for PD underwent a double-blinded, randomized cognitive testing during stimulation at (1) 130-135 Hz (gamma), (2) 10 Hz (theta) and (3) off. Executive functions and processing speed were evaluated using verbal fluency tasks (letter, episodic category, nonepisodic category, and category switching), color-word interference task, and random number generation task. Performance at each stimulation frequency was compared within subjects. RESULTS Theta frequency significantly improved episodic category fluency compared to gamma, but not compared to off. There were no significant differences between stimulation frequencies in other tests. CONCLUSION In this pilot trial, our results corroborate the role of theta oscillations in episodic retrieval, although it is unclear whether this reflects direct modulation of the medial temporal lobe and whether similar effects can be found with more canonical memory paradigms. Further work is necessary to corroborate our findings and investigate the possibility of interleaving theta and gamma frequency stimulation for concomitant motor and cognitive effects.
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Mulders AEP, Temel Y, Tonge M, Schaper FLWVJ, van Kranen-Mastenbroek V, Ackermans L, Kubben P, Janssen MLF, Duits A. The association between surgical characteristics and cognitive decline following deep brain stimulation of the subthalamic nucleus in Parkinson's disease. Clin Neurol Neurosurg 2020; 200:106341. [PMID: 33160716 DOI: 10.1016/j.clineuro.2020.106341] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/24/2020] [Accepted: 10/26/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Despite optimal improvement in motor functioning, both short- and long-term studies have reported small but consistent changes in cognitive functioning following STN-DBS in Parkinson's disease (PD). The aim of the present study was to explore whether surgical characteristics were associated with cognitive decline one year following STN-DBS. METHODS We retrospectively analyzed 49 PD patients who underwent bilateral STN-DBS. Cognitive change scores were related to the number of microelectrode recording (MER) trajectories, the STN length as measured by MER, and cortical entry points. Regression analyses were corrected for age at surgery, disease duration, education and preoperative levodopa responsiveness. Patients were then divided into a cognitive and non-cognitive decline group for each neuropsychological test and compared regarding demographic and surgical characteristics. RESULTS One year postoperatively, significant declines were found in verbal fluency, Stroop Color-Word test and Trail Making Test B (TMT-B). Only changes in TMT-B were associated with the coronal entry point in the right hemisphere. The number of MER trajectories and STN length were not associated with cognitive change scores. When comparing the cognitive decline and non-cognitive decline groups, no significant differences were found in surgical characteristics. CONCLUSIONS The electrode passage through the right prefrontal lobe may contribute to subtle changes in executive function. However, only few patients showed clinically relevant cognitive decline. The use of multiple MER trajectories and a longer STN length were not associated with cognitive decline one year following surgery. From a cognitive point of view, DBS may be considered a relatively safe procedure.
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Affiliation(s)
- Anne E P Mulders
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Department of Psychiatry and Neuropsychology, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Yasin Temel
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Department of Neurosurgery, Maastricht University Medical Centre, Maastricht, the Netherlands; Donders Institute for Brain, Cognition and Behaviour, Department of Neurosurgery, Radboud University Medical Centre, Nijmegen, the Netherlands
| | - Mehmet Tonge
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Department of Neurosurgery, Istanbul Medipol Universit, Istanbul, Turkey
| | - Frédéric L W V J Schaper
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Department of Neurosurgery, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Vivianne van Kranen-Mastenbroek
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Department of Clinical Neurophysiology, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Linda Ackermans
- Department of Neurosurgery, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Pieter Kubben
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Department of Neurosurgery, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Marcus L F Janssen
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands; Department of Clinical Neurophysiology, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Annelien Duits
- Department of Psychiatry and Neuropsychology, Maastricht University Medical Centre, Maastricht, the Netherlands.
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Maheshwary A, Mohite D, Omole JA, Bhatti KS, Khan S. Is Deep Brain Stimulation Associated With Detrimental Effects on Cognitive Functions in Patients of Parkinson's Disease? A Systematic Review. Cureus 2020; 12:e9688. [PMID: 32923280 PMCID: PMC7486084 DOI: 10.7759/cureus.9688] [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: 07/09/2020] [Accepted: 08/12/2020] [Indexed: 11/21/2022] Open
Abstract
Deep brain stimulation (DBS) is a rapidly evolving procedure with its application in multiple fields of neurology, but it is most prominent in Parkinson's disease (PD). Through electrode implantation in different areas of the brain, it brings a favorable change to the motor symptoms to the magnitude that none of the medications have been able to, but the effect on cognition of the patients is still unknown. We did a comprehensive search through PubMed and Cochrane databases and conducted a systematic review by following the PRISMA guidelines. Inclusion criteria were studies conducted only in PD patients, after the year 2008. The studies published in languages other than English were excluded. Thirteen studies, including randomized and non-randomized controlled trials, observational studies, and meta-analysis, were analyzed in detail. The results showed a declining trend in verbal fluency and attention domains of cognition, while other functions remained unchanged. The decline was significant but not enough to impact the quality index in patients. DBS is associated with worse performance in verbal fluency and attention, and there is a further need for studies focusing on these domains with long-term follow-up. The overall cognitive profile was not affected significantly.
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Affiliation(s)
- Ankush Maheshwary
- Neurology, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
- Medicine, Mrs. Khushbir Kalra's Memorial Hospital, Amritsar, IND
| | - Divya Mohite
- Neurology, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Janet A Omole
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
| | - Karandeep S Bhatti
- Neurology, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
- Medicine, Mrs. Khushbir Kalra's Memorial Hospital, Amritsar, IND
| | - Safeera Khan
- Internal Medicine, California Institute of Behavioral Neurosciences and Psychology, Fairfield, USA
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Knowles T, Adams SG, Page A, Cushnie-Sparrow D, Jog M. A Comparison of Speech Amplification and Personal Communication Devices for Hypophonia. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2020; 63:2695-2712. [PMID: 32755496 DOI: 10.1044/2020_jslhr-20-00085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Purpose This study compared the performance of three amplification devices hypothesized to improve speech communication in individuals with hypophonia (HP), as well as to identify individuals' device preferences. Method Twenty-two individuals with HP and their primary communication partners participated in a cross-over design study comparing three different speech amplification devices: a wired portable amplifier (Device A), a wireless stationary amplifier (Device B), and a one-way personal communication system (Device C). Participants attended one laboratory visit followed by 1-week trial periods with each device. At the first visit, HP participants completed speech tasks with and without the devices, in quiet and in noise. Following the in-laboratory test period, participants trialed each device at home for approximately 1 week per device. Following completion of the study, participants indicated whether or not they would like to continue using a device. Results Overall, in the presence of noise, all three devices demonstrated significant improvements in speech-to-noise levels and speech intelligibility compared to no device. A clear device hierarchy emerged such that the personal communication device (Device C) was associated with significantly better speech outcomes compared to the other two devices. The majority of participants elected to continue using a device at the completion of the study. Device preferences, however, did not clearly reflect the objective device hierarchy that was found for the objective speech measures. Each of the three devices was selected as a preferred device by at least three participants at the completion of the study. Conclusion Results from this study demonstrated clear differences in device performance in three distinct forms of amplification devices for individuals with HP. Findings suggest that amplification device use may be beneficial for this clinical population and underscore the potential to improve device availability and device selection criteria in future research. Supplemental Material https://doi.org/10.23641/asha.12735875.
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Affiliation(s)
- Thea Knowles
- Department of Communicative Disorders and Sciences, University at Buffalo, NY
| | - Scott G Adams
- School of Communication Sciences and Disorders, Western University, London, Ontario, Canada
- Health and Rehabilitation Sciences, Western University, London, Ontario, Canada
- Department of Clinical Neurological Sciences, University Hospital, London, Ontario, Canada
| | - Allyson Page
- School of Communication Sciences and Disorders, Western University, London, Ontario, Canada
- Health and Rehabilitation Sciences, Western University, London, Ontario, Canada
| | - Daryn Cushnie-Sparrow
- School of Communication Sciences and Disorders, Western University, London, Ontario, Canada
- Health and Rehabilitation Sciences, Western University, London, Ontario, Canada
| | - Mandar Jog
- Department of Clinical Neurological Sciences, University Hospital, London, Ontario, Canada
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Vitek JL, Jain R, Chen L, Tröster AI, Schrock LE, House PA, Giroux ML, Hebb AO, Farris SM, Whiting DM, Leichliter TA, Ostrem JL, San Luciano M, Galifianakis N, Verhagen Metman L, Sani S, Karl JA, Siddiqui MS, Tatter SB, Ul Haq I, Machado AG, Gostkowski M, Tagliati M, Mamelak AN, Okun MS, Foote KD, Moguel-Cobos G, Ponce FA, Pahwa R, Nazzaro JM, Buetefisch CM, Gross RE, Luca CC, Jagid JR, Revuelta GJ, Takacs I, Pourfar MH, Mogilner AY, Duker AP, Mandybur GT, Rosenow JM, Cooper SE, Park MC, Khandhar SM, Sedrak M, Phibbs FT, Pilitsis JG, Uitti RJ, Starr PA. Subthalamic nucleus deep brain stimulation with a multiple independent constant current-controlled device in Parkinson's disease (INTREPID): a multicentre, double-blind, randomised, sham-controlled study. Lancet Neurol 2020; 19:491-501. [PMID: 32470421 DOI: 10.1016/s1474-4422(20)30108-3] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 03/04/2020] [Accepted: 03/16/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND Deep brain stimulation (DBS) of the subthalamic nucleus is an established therapeutic option for managing motor symptoms of Parkinson's disease. We conducted a double-blind, sham-controlled, randomised controlled trial to assess subthalamic nucleus DBS, with a novel multiple independent contact current-controlled (MICC) device, in patients with Parkinson's disease. METHODS This trial took place at 23 implanting centres in the USA. Key inclusion criteria were age between 22 and 75 years, a diagnosis of idiopathic Parkinson's disease with over 5 years of motor symptoms, and stable use of anti-parkinsonian medications for 28 days before consent. Patients who passed screening criteria were implanted with the DBS device bilaterally in the subthalamic nucleus. Patients were randomly assigned in a 3:1 ratio to receive either active therapeutic stimulation settings (active group) or subtherapeutic stimulation settings (control group) for the 3-month blinded period. Randomisation took place with a computer-generated data capture system using a pre-generated randomisation table, stratified by site with random permuted blocks. During the 3-month blinded period, both patients and the assessors were masked to the treatment group while the unmasked programmer was responsible for programming and optimisation of device settings. The primary outcome was the difference in mean change from baseline visit to 3 months post-randomisation between the active and control groups in the mean number of waking hours per day with good symptom control and no troublesome dyskinesias, with no increase in anti-parkinsonian medications. Upon completion of the blinded phase, all patients received active treatment in the open-label period for up to 5 years. Primary and secondary outcomes were analysed by intention to treat. All patients who provided informed consent were included in the safety analysis. The open-label phase is ongoing with no new enrolment, and current findings are based on the prespecified interim analysis of the first 160 randomly assigned patients. The study is registered with ClinicalTrials.gov, NCT01839396. FINDINGS Between May 17, 2013, and Nov 30, 2017, 313 patients were enrolled across 23 sites. Of these 313 patients, 196 (63%) received the DBS implant and 191 (61%) were randomly assigned. Of the 160 patients included in the interim analysis, 121 (76%) were randomly assigned to the active group and 39 (24%) to the control group. The difference in mean change from the baseline visit (post-implant) to 3 months post-randomisation in increased ON time without troublesome dyskinesias between the active and control groups was 3·03 h (SD 4·52, 95% CI 1·3-4·7; p<0·0001). 26 serious adverse events in 20 (13%) patients occurred during the 3-month blinded period. Of these, 18 events were reported in the active group and 8 in the control group. One death was reported among the 196 patients before randomisation, which was unrelated to the procedure, device, or stimulation. INTERPRETATION This double-blind, sham-controlled, randomised controlled trial provides class I evidence of the safety and clinical efficacy of subthalamic nucleus DBS with a novel MICC device for the treatment of motor symptoms of Parkinson's disease. Future trials are needed to investigate potential benefits of producing a more defined current field using MICC technology, and its effect on clinical outcomes. FUNDING Boston Scientific.
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Affiliation(s)
- Jerrold L Vitek
- Department of Neurology, University of Minnesota School of Medicine, Minneapolis, MN, USA.
| | - Roshini Jain
- Division of Neuromodulation, Boston Scientific, Valencia, CA, USA
| | - Lilly Chen
- Division of Neuromodulation, Boston Scientific, Valencia, CA, USA
| | - Alexander I Tröster
- Department of Clinical Neuropsychology, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Lauren E Schrock
- Department of Neurology, University of Minnesota School of Medicine, Minneapolis, MN, USA
| | | | - Monique L Giroux
- Movement and Neuroperformance Center of Colorado, Englewood, CO, USA; Clinical Research Neurology, Eisai, Woodcliff Lake, NJ, USA
| | - Adam O Hebb
- Department of Neurological Surgery, Kaiser Permanente, Denver, CO, USA
| | - Sierra M Farris
- Division of Neuromodulation, Boston Scientific, Valencia, CA, USA; Movement and Neuroperformance Center of Colorado, Englewood, CO, USA
| | - Donald M Whiting
- Department of Neurosurgery, Allegheny General Hospital, Pittsburgh, PA, USA
| | | | - Jill L Ostrem
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | - Marta San Luciano
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | - Nicholas Galifianakis
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | - Leo Verhagen Metman
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Sepehr Sani
- Department of Neurological Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Jessica A Karl
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Mustafa S Siddiqui
- Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Stephen B Tatter
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Ihtsham Ul Haq
- Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Andre G Machado
- Center for Neurological Restoration, Cleveland Clinic, Cleveland, OH, USA
| | - Michal Gostkowski
- Center for Neurological Restoration, Cleveland Clinic, Cleveland, OH, USA
| | - Michele Tagliati
- Department of Neurology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Adam N Mamelak
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Michael S Okun
- Department of Neurology, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Kelly D Foote
- Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, FL, USA
| | | | - Francisco A Ponce
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Rajesh Pahwa
- Department of Neurology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Jules M Nazzaro
- Department of Neurosurgery, University of Kansas Medical Center, Kansas City, KS, USA
| | | | - Robert E Gross
- Department of Neurosurgery, Emory University School of Medicine, Atlanta, GA, USA
| | - Corneliu C Luca
- Department of Neurology, University of Miami School of Medicine, Miami, FL, USA
| | - Jonathan R Jagid
- Department of Neurosurgery, University of Miami School of Medicine, Miami, FL, USA
| | - Gonzalo J Revuelta
- Department of Neurology, Medical University of South Carolina, Charleston, SC, USA
| | - Istvan Takacs
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA
| | - Michael H Pourfar
- Department of Neurology, New York University Medical Center, New York City, NY, USA
| | - Alon Y Mogilner
- Department of Neurosurgery, New York University Medical Center, New York City, NY, USA
| | - Andrew P Duker
- Department of Neurology, University of Cincinnati Medical Center, Cincinnati, OH, USA
| | - George T Mandybur
- Department of Neurosurgery, University of Cincinnati Medical Center, Cincinnati, OH, USA
| | - Joshua M Rosenow
- Department of Neurosurgery, Northwestern University School of Medicine, Chicago, IL, USA
| | - Scott E Cooper
- Department of Neurology, University of Minnesota School of Medicine, Minneapolis, MN, USA
| | - Michael C Park
- Department of Neurosurgery, University of Minnesota School of Medicine, Minneapolis, MN, USA
| | - Suketu M Khandhar
- Department of Neurology, Kaiser Permanente Medical Center, Sacramento, CA, USA
| | - Mark Sedrak
- Department of Neurosurgery, Kaiser Permanente Medical Center, Redwood City, CA, USA
| | - Fenna T Phibbs
- Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Julie G Pilitsis
- Department of Neurosurgery, Albany Medical Center, Albany, NY, USA
| | - Ryan J Uitti
- Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
| | - Philip A Starr
- Department of Neurosurgery, University of California, San Francisco, San Francisco, CA, USA
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Leimbach F, Atkinson-Clement C, Wilkinson L, Cheung C, Jahanshahi M. Dissociable effects of subthalamic nucleus deep brain stimulation surgery and acute stimulation on verbal fluency in Parkinson's disease. Behav Brain Res 2020; 388:112621. [PMID: 32353395 DOI: 10.1016/j.bbr.2020.112621] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/19/2020] [Accepted: 03/23/2020] [Indexed: 12/15/2022]
Abstract
OBJECT Verbal fluency (VF) is the cognitive test which shows the most consistent and persistent post-operative decline after subthalamic deep brain stimulation (STN-DBS) in Parkinson's disease (PD). However, the reasons are not completely understood, and the debate has focused on two hypotheses: a surgical effect or an acute STN-DBS effect. METHODS We recruited 3 PD samples: (1) a group assessed before and after STN-DBS surgery (2) a group assessed On vs. Off STN-DBS and (3) an unoperated PD control group. All groups performed letter, category and switching category VF tasks. The total number of correct words generated were noted and measures of clustering and switching were also obtained. RESULTS We found a significant effect of STN-DBS surgery on all VF tasks which was associated with a post-operative decline in the total number of words generated, and a reduction of phonemic switching during the letter and category VF tasks, and a reduction of semantic clustering for category VF. By contrast to the effects of surgery, acute On vs. Off stimulation did not influence the number of words generated on any of the VF tasks. Acute stimulation only produced two effects on the category VF task: increased semantic cluster size and decreased number of semantic switches when STN-DBS was switched On. CONCLUSIONS This study differentiates between the effects of STN-DBS surgery and acute stimulation on VF performance. Our findings indicate that the STN-DBS effect on VF are a surgical and not an acute STN stimulation effect.
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Affiliation(s)
- Friederike Leimbach
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom
| | - Cyril Atkinson-Clement
- Brain and Spine Institute (ICM), Movement Investigation and Therapeutics Team, Paris, France
| | - Leonora Wilkinson
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom; Behavioral Neurology Unit, National Institute of Neurological Disorders and Stroke, Bethesda, MD 20892-1430, United States
| | - Catherine Cheung
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom; The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China.
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Scherrer S, Smith AH, Gowatsky J, Palmese CA, Jimenez-Shahed J, Kopell BH, Mayberg HS, Figee M. Impulsivity and Compulsivity After Subthalamic Deep Brain Stimulation for Parkinson's Disease. Front Behav Neurosci 2020; 14:47. [PMID: 32390809 PMCID: PMC7191054 DOI: 10.3389/fnbeh.2020.00047] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 03/17/2020] [Indexed: 01/04/2023] Open
Abstract
Impulsivity and compulsivity are prominent non-motor problems in Parkinson’s disease (PD). Despite 20 years of research, there is still an ongoing debate as to whether subthalamic deep brain stimulation (STN DBS) for PD exacerbates or improves these symptoms. Here, we review how STN DBS affects clinical symptoms and neurocognitive aspects of impulsivity and compulsivity. When comparing patients post- to pre-surgery, in the majority of studies STN DBS for PD is associated with a decrease in clinically diagnosed impulse-control disorders and disorders of compulsivity. To avoid confounds, such as post-surgical decreases in dopaminergic medication doses, comparisons can also be made between DBS “On” versus “Off” conditions. These experimentally assayed effects of STN DBS with respect to neurocognitive aspects of impulsivity and compulsivity are more mixed. STN DBS improves behavioral flexibility without impairing negative feedback learning, delay discounting, or inhibitory control, as long as stimulation is restricted to the dorsal STN. However, STN DBS may drive impulsive actions when a subject is faced with competing choices. We discuss how motivated responses may be either enhanced or impaired by STN DBS depending on engagement of dorsal or ventral STN-mediated circuits. Future studies should combine structural and functional circuit measures with behavioral testing in PD patients on and off medication and stimulation. A more sophisticated understanding of how to modulate cortico-striatal-thalamo-cortical loops will increase the likelihood that these circuit manipulation techniques can successfully be applied to a wider range of neuropsychiatric disorders.
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Affiliation(s)
- Sara Scherrer
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Andrew H Smith
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jaimie Gowatsky
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Christina A Palmese
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Joohi Jimenez-Shahed
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Brian H Kopell
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Helen S Mayberg
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Martijn Figee
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
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Khajei S, Shalchyan V, Daliri MR. Ratbot navigation using deep brain stimulation in ventral posteromedial nucleus. Bioengineered 2019; 10:250-260. [PMID: 31204562 PMCID: PMC6592397 DOI: 10.1080/21655979.2019.1631103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Deep Brain Stimulation (DBS) is a medical-practical method and has been applied to solve many medical complications. Animal usage as sensors and actuators, mind-controlled machines, and animal navigation are some of the non-medical DBS applications. One of the brain areas used in ratbot navigation is the Ventral Posteromedial Nucleus (VPM), which creates non-volunteer head rotation. Rat training by water/food restriction can be used to create forward movement. In this study, a combination of VPM stimulation and water/food restriction has been employed to establish a complete navigation system. Five rats responded to VPM stimulations. However, with three of them, rats rotated to the same direction after the stimulations of either VPM side of the brain. Two rats rotated bilaterally, proportionate to the VPM stimulation side. These two rats were trained in a T-shape maze and became ratbots. The results of the 3-session test showed that their navigation performances were 96% and 86%, respectively. These ratbots are suitable for navigational purposes and are ready to complete the missions that are dangerous or impossible for humans.
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Affiliation(s)
- Sina Khajei
- a Neuroscience & Neuroengineering Research Lab., Biomedical Engineering Department, School of Electrical Engineering , Iran University of Science and Technology (IUST) , Tehran , Iran
| | - Vahid Shalchyan
- a Neuroscience & Neuroengineering Research Lab., Biomedical Engineering Department, School of Electrical Engineering , Iran University of Science and Technology (IUST) , Tehran , Iran
| | - Mohammad Reza Daliri
- a Neuroscience & Neuroengineering Research Lab., Biomedical Engineering Department, School of Electrical Engineering , Iran University of Science and Technology (IUST) , Tehran , Iran
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Atkinson-Clement C, Leimbach F, Jahanshahi M. Subthalamic Nucleus Stimulation Does Not Have Any Acute Effects on Verbal Fluency or on Speed of Word Generation in Parkinson's Disease. PARKINSON'S DISEASE 2019; 2019:6569874. [PMID: 31687126 PMCID: PMC6794970 DOI: 10.1155/2019/6569874] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/19/2019] [Accepted: 09/11/2019] [Indexed: 12/02/2022]
Abstract
BACKGROUND Deep brain stimulation of the subthalamic nucleus (STN-DBS) has been shown to be generally safe from a cognitive perspective, with consistent evidence that the major impact of STN-DBS in Parkinson's disease (PD) is on verbal fluency. OBJECTIVE The aim of this study was first to identify the influence of acute manipulation of STN-DBS in PD on the number and time pattern of word generation on different verbal fluency (VF) tasks, phonemic, switching, and cued switching, and second to determine whether cueing improved VF and if cueing effects interacted with STN-DBS effects. METHODS Parallel versions of these three verbal fluency tasks were completed by 31 patients with Parkinson's disease who had had bilateral DBS of the STN, twice, with DBS On and Off, with the order counterbalanced across patients. RESULTS There was no effect of acute STN-DBS on the total number of words generated during verbal fluency. As expected, the number of words generated significantly declined over the six 10-second intervals of the verbal fluency tasks, but this time pattern of word generation was not altered by STN-DBS. External cueing significantly increased the number of words generated relative to an uncued switching verbal fluency task, but the cueing effect on VF was not altered by STN-DBS. CONCLUSION In conclusion, (i) acute STN-DBS manipulation did not alter either verbal fluency performance or the time pattern of word generation and (ii) external cueing significantly improved verbal fluency performance both with STN-DBS On and Off.
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Affiliation(s)
- Cyril Atkinson-Clement
- Brain and Spine Institute (ICM), Movement Investigation and Therapeutics Team, Paris, France
| | - Friederike Leimbach
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, National Hospital for Neurology & Neurosurgery, London, UK
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, National Hospital for Neurology & Neurosurgery, London, UK
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
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Cernera S, Okun MS, Gunduz A. A Review of Cognitive Outcomes Across Movement Disorder Patients Undergoing Deep Brain Stimulation. Front Neurol 2019; 10:419. [PMID: 31133956 PMCID: PMC6514131 DOI: 10.3389/fneur.2019.00419] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 04/05/2019] [Indexed: 12/19/2022] Open
Abstract
Introduction: Although the benefit in motor symptoms for well-selected patients with deep brain stimulation (DBS) has been established, cognitive declines associated with DBS can produce suboptimal clinical responses. Small decrements in cognition can lead to profound effects on quality of life. The growth of indications, the expansion of surgical targets, the increasing complexity of devices, and recent changes in stimulation paradigms have all collectively drawn attention to the need for re-evaluation of DBS related cognitive outcomes. Methods: To address the impact of cognitive changes following DBS, we performed a literature review using PubMed. We searched for articles focused on DBS and cognition. We extracted information about the disease, target, number of patients, assessment of time points, cognitive battery, and clinical outcomes. Diseases included were dystonia, Tourette syndrome (TS), essential tremor (ET), and Parkinson's disease (PD). Results: DBS was associated with mild cognitive issues even when rigorous patient selection was employed. Dystonia studies reported stable or improved cognitive scores, however one study using reliable change indices indicated decrements in sustained attention. Additionally, DBS outcomes were convoluted with changes in medication dose, alleviation of motor symptoms, and learning effects. In the largest, prospective TS study, an improvement in attentional skills was noted, whereas smaller studies reported variable declines across several cognitive domains. Although, most studies reported stable cognitive outcomes. ET studies largely demonstrated deficits in verbal fluency, which had variable responses depending on stimulation setting. Recently, studies have focused beyond the ventral intermediate nucleus, including the post-subthalamic area and zona incerta. For PD, the cognitive results were heterogeneous, although deficits in verbal fluency were consistent and related to the micro-lesion effect. Conclusion: Post-DBS cognitive issues can impact both motor and quality of life outcomes. The underlying pathophysiology of cognitive changes post-DBS and the identification of pathways underpinning declines will require further investigation. Future studies should employ careful methodological designs. Patient specific analyses will be helpful to differentiate the effects of medications, DBS and the underlying disease state, including disease progression. Disease progression is often an underappreciated factor that is important to post-DBS cognitive issues.
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Affiliation(s)
- Stephanie Cernera
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, United States
| | - Michael S Okun
- Department of Neurology, Fixel Institute for Neurological Diseases, University of Florida College of Medicine and McKnight Brain Institute, Gainesville, FL, United States
| | - Aysegul Gunduz
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, United States.,Department of Neurology, Fixel Institute for Neurological Diseases, University of Florida College of Medicine and McKnight Brain Institute, Gainesville, FL, United States
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Hartmann CJ, Fliegen S, Groiss SJ, Wojtecki L, Schnitzler A. An update on best practice of deep brain stimulation in Parkinson's disease. Ther Adv Neurol Disord 2019; 12:1756286419838096. [PMID: 30944587 PMCID: PMC6440024 DOI: 10.1177/1756286419838096] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 02/01/2019] [Indexed: 11/16/2022] Open
Abstract
During the last 30 years, deep brain stimulation (DBS) has evolved into the clinical standard of care as a highly effective treatment for advanced Parkinson’s disease. Careful patient selection, an individualized anatomical target localization and meticulous evaluation of stimulation parameters for chronic DBS are crucial requirements to achieve optimal results. Current hardware-related advances allow for a more focused, individualized stimulation and hence may help to achieve optimal clinical results. However, current advances also increase the degrees of freedom for DBS programming and therefore challenge the skills of healthcare providers. This review gives an overview of the clinical effects of DBS, the criteria for patient, target, and device selection, and finally, offers strategies for a structured programming approach.
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Affiliation(s)
- Christian J Hartmann
- Department of Neurology/Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany
| | - Sabine Fliegen
- Department of Neurology/Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Stefan J Groiss
- Department of Neurology/Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Lars Wojtecki
- Department of Neurology/Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Alfons Schnitzler
- Department of Neurology/Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
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Sarno M, Gaztanaga W, Banerjee N, Bure-Reyes A, Rooks J, Margolesky J, Luca C, Singer C, Moore H, Jagid J, Levin B. Revisiting eligibility for deep brain stimulation: Do preoperative mood symptoms predict outcomes in Parkinson's disease patients? Parkinsonism Relat Disord 2019; 63:131-136. [PMID: 30799236 DOI: 10.1016/j.parkreldis.2019.02.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 02/13/2019] [Accepted: 02/14/2019] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Anxiety and depression are common in PD, occurring in an estimated 30%-40% of PD patients. However, the extent to which these emotional symptoms interfere with Deep Brain Stimulation (DBS) outcomes is not well established. This study examined the association between pre-operative emotional well-being and postsurgical cognitive, emotional, and motor performance in PD. METHODS Forty-nine PD patients underwent neurological, neuropsychological (global cognition, processing speed, language, visuospatial, memory), and emotional assessments pre- and post-DBS. Fifteen patients were administered the UPDRS. Patients were divided into Anxious (Anx; n = 21), Comorbid Anxious and Depressed (Anx + Dep; n = 15), and Emotionally Asymptomatic (EA; n = 13) based on BAI and BDI-II cutoffs, and compared on pre-post changes in neurocognitive, mood, and motor scores using analyses of covariance (ANCOVA), controlling for education, ethnicity, and disease duration. RESULTS Pre-DBS, there were no significant differences between the three groups on any neuropsychological measure. Overall change from pre-to post-DBS revealed declines on multiple cognitive measures and lower symptom endorsement on the BAI among all participants. No group differences were observed on neurocognitive measures, mood, or UPDRS. CONCLUSIONS PD patients with mild-moderate anxiety or comorbid anxiety/depression pre-DBS do not show greater cognitive, emotional, and motor changes post-DBS compared to emotionally asymptomatic patients. These data emphasize the importance of discussing potential DBS outcomes, while keeping in mind that psychiatric comorbidity should not necessarily exclude patients from DBS. The notion that premorbid mood symptoms could disqualify a candidate for surgery would be a disservice, as this group performs comparably to asymptomatic peers.
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Affiliation(s)
- Marina Sarno
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA.
| | - Wendy Gaztanaga
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Nikhil Banerjee
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Annelly Bure-Reyes
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Joshua Rooks
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Jason Margolesky
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Corneliu Luca
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Carlos Singer
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Henry Moore
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Jonathan Jagid
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
| | - Bonnie Levin
- University of Miami, Department of Neurology, 1150 NW 14th Street Miami, 33136, Florida, USA
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40
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Aiello M, Terenzi D, Furlanis G, Catalan M, Manganotti P, Eleopra R, Belgrado E, Rumiati RI. Deep brain stimulation of the subthalamic nucleus and the temporal discounting of primary and secondary rewards. J Neurol 2019; 266:1113-1119. [DOI: 10.1007/s00415-019-09240-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 02/07/2019] [Accepted: 02/09/2019] [Indexed: 12/18/2022]
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Erasmi R, Granert O, Zorenkov D, Falk D, Wodarg F, Deuschl G, Witt K. White Matter Changes Along the Electrode Lead in Patients Treated With Deep Brain Stimulation. Front Neurol 2018; 9:983. [PMID: 30519212 PMCID: PMC6259286 DOI: 10.3389/fneur.2018.00983] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 10/31/2018] [Indexed: 11/13/2022] Open
Abstract
Introduction: Deep brain stimulation (DBS) is an established treatment for various movement disorders. There is little data available about the potential damage to brain parenchyma through DBS treatment. The objective of this study was to investigate the occurrence of signal changes on magnetic resonance imaging (MRI) in patients treated with DBS. Methods: We retrospectively analyzed MRI scans of 30 DBS patients (21 patients with Parkinson's disease, 3 patients with dystonia and 6 patients with tremor) that had undergone additional MRI scans after DBS surgery (ranging from 2 months to 8 years). Axial T2 sequences were analyzed by two raters using a standardized lesion mapping procedure. Results: 26 out of 30 analyzed patients showed hyperintense white matter changes surrounding the DBS lead (mean volume = 2.43 ml). Lesions were prominent along the upper half of the electrode lead within the subcortical white matter, with no abnormalities along the lower lead. Their volume was significantly correlated to the time from surgery to MRI and to the number of microelectrodes used in surgery, but was independent from underlying disease (Parkinson's disease, dystonia, tremor), target structure (STN, GPi, VIM), demographical data, or cardiovascular risk factors. Discussion: White matter changes along the electrode leads in DBS patients are a frequent finding. These changes seem to evolve with certain latency after surgery and might be radiologically classified as a gliosis. Our findings identify the number of intraoperatively used microelectrodes as a risk factor in the formation of gliosis. Therefore, mechanical damage at the time of surgery and an individual tissue response might contribute to their evolution. Further studies are needed to define the exact mechanisms and their clinical impact.
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Affiliation(s)
- Richard Erasmi
- Department of Neurology, Christian-Albrechts University of Kiel, Kiel, Germany.,Department of Neurology, University of Cologne, Cologne, Germany
| | - Oliver Granert
- Department of Neurology, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Dmitry Zorenkov
- Department of Neurology, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Daniela Falk
- Department of Neurosurgery, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Fritz Wodarg
- Department of Neuroradiology, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Günther Deuschl
- Department of Neurology, Christian-Albrechts University of Kiel, Kiel, Germany
| | - Karsten Witt
- Department of Neurology, Christian-Albrechts University of Kiel, Kiel, Germany.,Department of Neurology and Research Center Neurosensory Science, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
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Abbes M, Lhommée E, Thobois S, Klinger H, Schmitt E, Bichon A, Castrioto A, Xie J, Fraix V, Kistner A, Pélissier P, Seigneuret É, Chabardès S, Mertens P, Broussolle E, Moro E, Krack P. Subthalamic stimulation and neuropsychiatric symptoms in Parkinson's disease: results from a long-term follow-up cohort study. J Neurol Neurosurg Psychiatry 2018; 89:836-843. [PMID: 29436490 DOI: 10.1136/jnnp-2017-316373] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 01/05/2018] [Accepted: 01/09/2018] [Indexed: 01/13/2023]
Abstract
BACKGROUND Reports on behavioural outcomes after subthalamic nucleus deep brain stimulation in Parkinson's disease are controversial and limited to short-term data. Long-term observation in a large cohort allows a better counselling and management. METHODS To determine whether a long-term treatment with subthalamic stimulation induces or reduces impulse control behaviours, neuropsychiatric fluctuations and apathy, 69 patients treated with subthalamic stimulation are prospectively and retrospectively assessed using Ardouin Scale of Behavior in Parkinson's Disease before and after 3-10 years of stimulation. RESULTS At a mean follow-up of 6 years, all impulse control disorders and dopaminergic addiction were significantly decreased, apart from eating behaviour and hypersexuality. Neuropsychiatric fluctuations also significantly improved (ON euphoria: 38% of the patients before surgery and 1% after surgery, P<0.01; OFF dysphoria: 39% of the patients before surgery and 10% after surgery, P<0.01). However, apathy increased (25% of the patients after surgery and 3% before, P<0.01). With the retrospective analysis, several transient episodes of depression, apathy, anxiety and impulse control disorders occurred. CONCLUSIONS Bilateral subthalamic nucleus stimulation was overall very effective in improving impulse control disorders and neuropsychiatric fluctuations in parkinsonian patients in the long term despite a counteracting frequent apathy. Transient episodes of impulse control disorders still occurred within the follow-up. These findings recommend a close follow-up in parkinsonian patients presenting with neuropsychiatric symptoms before deep brain stimulation surgery. CLINICAL TRIAL REGISTRATION NCT01705418;Post-results.
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Affiliation(s)
- Marie Abbes
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France
| | - Eugénie Lhommée
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Stéphane Thobois
- Faculté de Médecine et de Maïeutique Lyon Sud Charles Mérieux, Université de Lyon 1, Université de Lyon, Lyon, France.,Neurologie C, Hospices Civils de Lyon, Hôpital Neurologique, Lyon, France.,Centre de Neurosciences Cognitives, CNRS, UMR 5229, Bron, France
| | - Hélène Klinger
- Faculté de Médecine et de Maïeutique Lyon Sud Charles Mérieux, Université de Lyon 1, Université de Lyon, Lyon, France.,Neurologie C, Hospices Civils de Lyon, Hôpital Neurologique, Lyon, France.,Centre de Neurosciences Cognitives, CNRS, UMR 5229, Bron, France
| | - Emmanuelle Schmitt
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Amélie Bichon
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Anna Castrioto
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Jing Xie
- Institut du vieillissement, Hospices Civils de Lyon, Hôpital des Charpennes, Lyon, France
| | - Valérie Fraix
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Andrea Kistner
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Pierre Pélissier
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Éric Seigneuret
- Department of Neurosurgery, CHU Grenoble Alpes, Grenoble, France
| | - Stéphan Chabardès
- Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France.,Department of Neurosurgery, CHU Grenoble Alpes, Grenoble, France
| | - Patrick Mertens
- Neurochirurgie A, Hospices Civils de Lyon, Hôpital Neurologique, Lyon, France
| | - Emmanuel Broussolle
- Faculté de Médecine et de Maïeutique Lyon Sud Charles Mérieux, Université de Lyon 1, Université de Lyon, Lyon, France.,Neurologie C, Hospices Civils de Lyon, Hôpital Neurologique, Lyon, France.,Centre de Neurosciences Cognitives, CNRS, UMR 5229, Bron, France
| | - Elena Moro
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France
| | - Paul Krack
- Movement Disorders Unit, Department of Psychiatry Neurology and Neurological Rehabilitation, CHU Grenoble Alpes, Grenoble, France.,Grenoble Institut des Neurosciences, Université Grenoble Alpes, Grenoble, France.,Inserm U1216, Grenoble, France.,Department of Clinical Neuroscience, Faculty University of Geneva, Hôpitaux Universitaires de Genève, Geneva, Switzerland
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Tröster AI. Some Clinically Useful Information that Neuropsychology Provides Patients, Carepartners, Neurologists, and Neurosurgeons About Deep Brain Stimulation for Parkinson's Disease. Arch Clin Neuropsychol 2018; 32:810-828. [PMID: 29077802 PMCID: PMC5860398 DOI: 10.1093/arclin/acx090] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 09/06/2017] [Indexed: 12/02/2022] Open
Abstract
Deep brain stimulation (DBS) is an effective (but non-curative) treatment for some of the motor symptoms and treatment complications associated with dopaminergic agents in Parkinson's disease (PD). DBS can be done relatively safely and is associated with quality of life gains. In most DBS centers, neuropsychological evaluations are performed routinely before surgery, and sometimes after surgery. The purpose of such evaluation is not to decide solely on its results whether or not to offer DBS to a given candidate, but to provide the patient and treatment team with the best available information to make reasonable risk-benefit assessments. This review provides information relevant to the questions often asked by patients and their carepartners, neurologists, and neurosurgeons about neuropsychological outcomes of DBS, including neuropsychological adverse event rates, magnitude of cognitive changes, outcomes after unilateral versus bilateral surgery directed at various targets, impact of mild cognitive impairment (MCI) on outcome, factors implicated in neurobehavioral outcomes, and safety of newer interventions or techniques such as asleep surgery and current steering.
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Affiliation(s)
- Alexander I Tröster
- Department of Clinical Neuropsychology and Center for Neuromodulation, Barrow Neurological Institute, Phoenix, AZ, USA
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44
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Kisely S, Li A, Warren N, Siskind D. A systematic review and meta-analysis of deep brain stimulation for depression. Depress Anxiety 2018; 35:468-480. [PMID: 29697875 DOI: 10.1002/da.22746] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 02/09/2018] [Accepted: 02/10/2018] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Deep brain stimulation is increasingly being used for treatment-resistant depression. Blinded, randomized controlled trials of active versus sham treatment have been limited to small numbers. METHOD We performed a systematic review and meta-analysis on the effectiveness of deep brain stimulation (DBS) in depression. Cochrane Central Register of Controlled Trials, PubMed/Medline, Embase and PsycINFO, Chinese Biomedical Literature Service System, and China Knowledge Resource Integrated Database were searched for single- or double placebo-controlled, crossover, and parallel-group trials in which DBS was compared with sham treatment using validated scales. RESULTS Ten papers from nine studies met inclusion criteria, all but two of which were double-blinded RCTs. The main outcome was a reduction in depressive symptoms. It was possible to combine data for 190 participants. Patients on active, as opposed to sham, treatment had a significantly higher response (OR = 5.50; 95% CI = 2.79, 10.85; p < .0001) and reductions in mean depression score (SMD = -0.42; 95% CI = -0.72, -0.12; p = .006). However, the effect was attenuated on some of the subgroup and sensitivity analyses, and there were no differences for most other outcomes. In addition, 84 participants experienced a total of 131 serious adverse effects, although not all could be directly associated with the device or surgery. Finally, publication bias was possible. CONCLUSIONS DBS may show promise for treatment-resistant depression but remains an experimental treatment until further data are available.
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Affiliation(s)
- Steve Kisely
- The University of Queensland Southern Clinical School, Queensland, Australia.,Metro South Health Service, Woolloongabba, Australia.,Griffith Institute of Health, Griffith University, Queensland, Australia.,Departments of Psychiatry, Community Health and Epidemiology, Dalhousie University, Nova Scotia, Canada
| | - Amy Li
- The University of Queensland Southern Clinical School, Queensland, Australia
| | - Nicola Warren
- The University of Queensland Southern Clinical School, Queensland, Australia.,Metro South Health Service, Woolloongabba, Australia
| | - Dan Siskind
- The University of Queensland Southern Clinical School, Queensland, Australia.,Metro South Health Service, Woolloongabba, Australia
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45
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Weintraub D, Tröster AI, Marras C, Stebbins G. Initial cognitive changes in Parkinson's disease. Mov Disord 2018; 33:511-519. [PMID: 29543342 PMCID: PMC5920539 DOI: 10.1002/mds.27330] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/02/2018] [Accepted: 01/04/2018] [Indexed: 01/05/2023] Open
Abstract
The focus on cognitive impairment in neurodegenerative diseases, including PD, is shifting from the dementia stage to earlier stages of impairment, including mild cognitive impairment. This shift is driven primarily by the desire to improve long-term outcomes by delivering therapeutic interventions earlier in the clinical course, even presymptomatically in those at highest risk, and at the initial stage in the pathophysiological cascade that underpins common dementia syndromes. This article focuses on key findings and challenges in studying earliest stages of cognitive decline in PD, including a detailed examination of neuropsychological testing, cognitive performance in early and prodromal PD, epidemiological research for PD mild cognitive impairment to date, and expert recommendations for assessment. © 2018 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Daniel Weintraub
- Departments of Psychiatry and Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Alexander I. Tröster
- Barrow Neurological Institute, Department of Clinical Neuropsychology and Barrow Center for Neuromodulation, Phoenix, AZ, USA
| | - Connie Marras
- Department of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Glenn Stebbins
- Rush University Medical Center, Department of Neurological Sciences, Chicago, IL, USA
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46
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Mehanna R, Bajwa JA, Fernandez H, Wagle Shukla AA. Cognitive Impact of Deep Brain Stimulation on Parkinson's Disease Patients. PARKINSON'S DISEASE 2017; 2017:3085140. [PMID: 29359065 PMCID: PMC5735627 DOI: 10.1155/2017/3085140] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 05/15/2017] [Accepted: 10/16/2017] [Indexed: 11/17/2022]
Abstract
Subthalamic nucleus (STN) or globus pallidus interna (GPi) deep brain stimulation (DBS) is considered a robust therapeutic tool in the treatment of Parkinson's disease (PD) patients, although it has been reported to potentially cause cognitive decline in some cases. We here provide an in-depth and critical review of the current literature regarding cognition after DBS in PD, summarizing the available data on the impact of STN and GPi DBS as monotherapies and also comparative data across these two therapies on 7 cognitive domains. We provide evidence that, in appropriately screened PD patients, worsening of one or more cognitive functions is rare and subtle after DBS, without negative impact on quality of life, and that there is very little data supporting that STN DBS has a worse cognitive outcome than GPi DBS.
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Affiliation(s)
- Raja Mehanna
- University of Texas Health Science Center, Houston, TX, USA
| | - Jawad A. Bajwa
- Parkinson's, Movement Disorders and Neurorestoration Program, National Neuroscience Institute, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Hubert Fernandez
- Center for Neurological Restoration, Cleveland Clinic, Cleveland, OH, USA
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47
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Kubu CS, Ford PJ. Clinical Ethics in the Context of Deep Brain Stimulation for Movement Disorders. Arch Clin Neuropsychol 2017; 32:829-839. [PMID: 29028865 PMCID: PMC5860076 DOI: 10.1093/arclin/acx088] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 08/30/2017] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE Discuss common clinical ethical challenges encountered in working with patients who are candidates for deep brain stimulation (DBS) for the treatment of motor symptoms of Parkinson's disease (PD). METHOD The relevant literature is reviewed and supplemented by descriptive, ethically challenging cases stemming from decades of combined experience working on DBS teams. We outline ethical arguments and provide pragmatic recommendations to assist neuropsychologists working in movement disorder teams. RESULTS The goals of the pre-operative neuropsychological DBS assessment include: (1) identification of potential cognitive risk factors; (2) identification of relevant neuropsychiatric or neurobehavioral factors; (3) assessment of level of family support; and (4) systematic assessment of patient's and family member's goals or expectations for DBS. The information gleaned from the pre-operative neuropsychological assessment is highly relevant to the most commonly studied clinical ethics challenges encountered in DBS: (1) assessment of risk/benefit; (2) determinations regarding inclusion/exclusion; (3) autonomy; and (4) patient's perception of benefit and quality of life. CONCLUSIONS Neuropsychologists are particularly well poised to provide unique and important insights to assist with developing the most ethically sound practices that take into account patient's values as well as fiduciary responsibilities to the patient, the team, the profession, and the broader community.
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Affiliation(s)
- Cynthia S Kubu
- Center for Neurological Restoration, Cleveland Clinic, OH, USA
- Department of Bioethics, Cleveland Clinic, OH, USA
- Department of Psychiatry and Psychology, Cleveland Clinic, OH, USA
| | - Paul J Ford
- Center for Neurological Restoration, Cleveland Clinic, OH, USA
- Department of Bioethics, Cleveland Clinic, OH, USA
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Pham T, Bronstein JM. Neuropsychological outcomes from deep brain stimulation-stimulation versus micro-lesion. ANNALS OF TRANSLATIONAL MEDICINE 2017; 5:217. [PMID: 28603732 DOI: 10.21037/atm.2017.02.16] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tammy Pham
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Jeff M Bronstein
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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York MK, Moro E. No differences in neuropsychological outcomes between constant current and voltage current subthalamic deep brain stimulation for Parkinson's disease. ANNALS OF TRANSLATIONAL MEDICINE 2017; 5:177. [PMID: 28480213 DOI: 10.21037/atm.2017.03.43] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Michele K York
- Department of Neurology, Baylor College of Medicine, Houston, Texas, USA
| | - Elena Moro
- Division of Neurology, CHU Grenoble, Grenoble Alpes University, Grenoble, France
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Hogg E, Wertheimer J, Graner S, Tagliati M. Deep Brain Stimulation and Nonmotor Symptoms. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2017; 134:1045-1089. [DOI: 10.1016/bs.irn.2017.05.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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