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Zhou Y, Fu S, Du L, Yang Z, Cai Y. General anesthesia versus local anesthesia for deep brain stimulation targeting of STN in Parkinson's disease: A systematic review and meta-analysis. Medicine (Baltimore) 2024; 103:e37955. [PMID: 38669414 DOI: 10.1097/md.0000000000037955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Subthalamic nucleus deep brain stimulation (STN-DBS) is a viable therapeutic for advanced Parkinson's disease. However, the efficacy and safety of STN-DBS under local anesthesia (LA) versus general anesthesia (GA) remain controversial. This meta-analysis aims to compare them using an expanded sample size. METHODS The databases of Embase, Cochrane Library and Medline were systematically searched for eligible cohort studies published between 1967 and 2023. Clinical efficacy was assessed using either Unified Parkinson's Disease Rating Scale (UPDRS) section III scores or levodopa equivalent dosage requirements. Subgroup analyses were performed to assess complications (adverse effects related to stimulation, general neurological and surgical complications, and hardware-related complications). RESULTS Fifteen studies, comprising of 13 retrospective cohort studies and 2 prospective cohort studies, involving a total of 943 patients were included in this meta-analysis. The results indicate that there were no significant differences between the 2 groups with regards to improvement in UPDRS III score or postoperative levodopa equivalent dosage requirement. However, subgroup analysis revealed that patients who underwent GA with intraoperative imaging had higher UPDRS III score improvement compared to those who received LA with microelectrode recording (MER) (P = .03). No significant difference was found in the improvement of UPDRS III scores between the GA group and LA group with MER. Additionally, there were no notable differences in the incidence rates of complications between these 2 groups. CONCLUSIONS Our meta-analysis indicates that STN-DBS performed under GA or LA have similar clinical outcomes and complications. Therefore, GA may be a suitable option for patients with severe symptoms who cannot tolerate the procedure under LA. Additionally, the GA group with intraoperative imaging showed better clinical outcomes than the LA group with MER. A more compelling conclusion would require larger prospective cohort studies with a substantial patient population and extended long follow-up to validate.
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Affiliation(s)
- Yu Zhou
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- Xiangya School of Medicine, Central South University, Changsha, Hunan, P.R. China
| | - Shiyu Fu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- Xiangya School of Medicine, Central South University, Changsha, Hunan, P.R. China
| | - Liangchao Du
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- Xiangya School of Medicine, Central South University, Changsha, Hunan, P.R. China
| | - Zhiquan Yang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Yuxiang Cai
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
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Martinez-Nunez AE, Wong JK, Hilliard JD, Foote KD, Okun MS. Preventing Shift from Pneumocephalus During Deep Brain Stimulation Surgery: Don't Give Up the 'Fork in the Brain'. Tremor Other Hyperkinet Mov (N Y) 2024; 14:18. [PMID: 38617832 PMCID: PMC11011943 DOI: 10.5334/tohm.873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 03/23/2024] [Indexed: 04/16/2024] Open
Abstract
Clinical vignette We present the case of a patient who developed intra-operative pneumocephalus during left globus pallidus internus deep brain stimulation (DBS) placement for Parkinson's disease (PD). Microelectrode recording (MER) revealed that we were anterior and lateral to the intended target. Clinical dilemma Clinically, we suspected brain shift from pneumocephalus. Removal of the guide-tube for readjustment of the brain target would have resulted in the introduction of movement resulting from brain shift and from displacement from the planned trajectory. Clinical solution We elected to leave the guide-tube cannula in place and to pass the final DBS lead into a channel that was located posterior-medially from the center microelectrode pass. Gap in knowledge Surgical techniques which can be employed to minimize brain shift in the operating room setting are critical for reduction in variation of the final DBS lead placement. Pneumocephalus after dural opening is one potential cause of brain shift. The recognition that the removal of a guide-tube cannula could worsen brain shift creates an opportunity for an intraoperative team to maintain the advantage of the 'fork' in the brain provided by the initial procedure's requirement of guide-tube placement.
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Affiliation(s)
- Alfonso Enrique Martinez-Nunez
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Disease, University of Florida, Gainesville, FL, US
| | - Joshua K. Wong
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Disease, University of Florida, Gainesville, FL, US
| | - Justin D. Hilliard
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Disease, University of Florida, Gainesville, FL, US
| | - Kelly D. Foote
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Disease, University of Florida, Gainesville, FL, US
| | - Michael S. Okun
- Departments of Neurology and Neurosurgery, Norman Fixel Institute for Neurological Disease, University of Florida, Gainesville, FL, US
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Jiao J, Brumbach BH, Hantke N, Wilhelmi M, Bonilla C, Safarpour D. Changes in Anticholinergic Burden in Parkinson's Disease After Deep Brain Stimulation. Neuromodulation 2024; 27:538-543. [PMID: 38085189 DOI: 10.1016/j.neurom.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 09/30/2023] [Accepted: 11/02/2023] [Indexed: 04/05/2024]
Abstract
OBJECTIVE This study aimed to evaluate the effect of deep brain stimulation (DBS) on anticholinergic burden in Parkinson's disease (PD) and the association of anticholinergic burden with cognition. MATERIALS AND METHODS A retrospective chart review in patients with PD who underwent bilateral subthalamic nucleus (STN) or globus pallidus internus (GPi) DBS from 2010 to 2020 reviewed medications with anticholinergic burden at baseline, six months, and one year (N = 216) after surgery. The cumulative anticholinergic burden at each visit was calculated using the Anticholinergic Risk Scale (ARS). RESULTS ARS scores were significantly lower for patients six months and one year after surgery than at baseline (z = 6.58, p < 0.0001; z = 6.99, p < 0.0001). Change in ARS scores at both six months and one year were driven by down-titration of PD medications (z = 9.35, p < 0.0001; z = 8.61, p < 0.0001), rather than changes in pain, psychiatric, or urinary medications with anticholinergic effects. There was no significant difference in change in ARS scores at one year between targets (t = 0.41, p = 0.68). In addition, there was no significant association between anticholinergic burden and cognitive performance. CONCLUSION GPi and STN DBS are associated with decreased anticholinergic burden due to PD medications in the first year after surgery.
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Affiliation(s)
- Jocelyn Jiao
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA.
| | - Barbara H Brumbach
- Oregon Health and Science University-Portland State University School of Public Health, Biostatistics and Design Program, Oregon Health and Science University, Portland, OR, USA
| | - Nathan Hantke
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA; Mental Health and Clinical Neuroscience Division, Veterans Affairs Portland Health Care System, Portland, OR, USA
| | - Morgan Wilhelmi
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
| | - Christian Bonilla
- School of Medicine, Oregon Health and Science University, Portland, OR, USA
| | - Delaram Safarpour
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
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Wang S, Fan S, Gan Y, Zhang Y, Gao Y, Xue T, Xie H, Ma R, Zhang Q, Zhao B, Wang Y, Zhu G, Yang A, Jiang Y, Meng F, Zhang J. Efficacy and safety of combined deep brain stimulation with capsulotomy for comorbid motor and psychiatric symptoms in Tourette's syndrome: Experience and evidence. Asian J Psychiatr 2024; 94:103960. [PMID: 38368692 DOI: 10.1016/j.ajp.2024.103960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 02/01/2024] [Accepted: 02/04/2024] [Indexed: 02/20/2024]
Abstract
OBJECTIVES To evaluate the efficacy and safety of combined deep brain stimulation (DBS) with capsulotomy for comorbid motor and psychiatric symptoms in patients with Tourette's syndrome (TS). METHODS This retrospective cohort study consecutively enrolled TS patients with comorbid motor and psychiatric symptoms who were treated with combined DBS and anterior capsulotomy at our center. Longitudinal motor, psychiatric, and cognitive outcomes and quality of life were assessed. In addition, a systematic review and meta-analysis were performed to summarize the current experience with the available evidence. RESULTS In total, 5 eligible patients in our cohort and 26 summarized patients in 6 cohorts were included. After a mean 18-month follow-up, our cohort reported that motor symptoms significantly improved by 62.4 % (P = 0.005); psychiatric symptoms of obsessive-compulsive disorder (OCD) and anxiety significantly improved by 87.7 % (P < 0.001) and 78.4 % (P = 0.009); quality of life significantly improved by 61.9 % (P = 0.011); and no significant difference was found in cognitive function (all P > 0.05). Combined surgery resulted in greater improvements in psychiatric outcomes and quality of life than DBS alone. The synthesized findings suggested significant improvements in tics (MD: 57.92, 95 % CI: 41.28-74.56, P < 0.001), OCD (MD: 21.91, 95 % CI: 18.67-25.15, P < 0.001), depression (MD: 18.32, 95 % CI: 13.26-23.38, P < 0.001), anxiety (MD: 13.83, 95 % CI: 11.90-15.76, P < 0.001), and quality of life (MD: 48.22, 95 % CI: 43.68-52.77, P < 0.001). Individual analysis revealed that the pooled treatment effects on motor symptoms, psychiatric symptoms, and quality of life were 78.6 %, 84.5-87.9 %, and 83.0 %, respectively. The overall pooled rate of adverse events was 50.0 %, and all of these adverse events were resolved or alleviated with favorable outcomes. CONCLUSIONS Combined DBS with capsulotomy is effective for relieving motor and psychiatric symptoms in TS patients, and its safety is acceptable. However, the optimal candidate should be considered, and additional experience is still necessary.
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Affiliation(s)
- Shu Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Shiying Fan
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yifei Gan
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yuan Zhang
- Department of Neonatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - Yuan Gao
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China
| | - Tao Xue
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Hutao Xie
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Ruoyu Ma
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Quan Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Baotian Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yanwen Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Guanyu Zhu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Anchao Yang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yin Jiang
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China; Beijing Key Laboratory of Neurostimulation, Beijing 100070, China
| | - Fangang Meng
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China; Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China; Beijing Key Laboratory of Neurostimulation, Beijing 100070, China.
| | - Jianguo Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China; Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China; Beijing Key Laboratory of Neurostimulation, Beijing 100070, China.
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Raguž M, Marčinković P, Chudy H, Orešković D, Lakić M, Dlaka D, Katavić N, Rački V, Vuletić V, Chudy D. Decreased brain volume may be associated with the occurrence of peri-lead edema in Parkinson's disease patients with deep brain stimulation. Parkinsonism Relat Disord 2024; 121:106030. [PMID: 38354427 DOI: 10.1016/j.parkreldis.2024.106030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/12/2024] [Accepted: 02/08/2024] [Indexed: 02/16/2024]
Abstract
BACKGROUND Peri-lead edema (PLE) is a poorly understood complication of deep brain stimulation (DBS), which has been described in patients presenting occasionally with profound and often delayed symptoms with an incidence ranging from 0.4% up to even 100%. Therefore, our study aims to investigate the association of brain and brain compartment volumes on magnetic resonance imaging (MRI) with the occurrence of PLE in Parkinson's disease (PD) patients after DBS implantation in subthalamic nuclei (STN). METHODS This retrospective study included 125 consecutive PD patients who underwent STN DBS at the Department of Neurosurgery, Dubrava University Hospital from 2010 to 2022. Qualitative analysis was done on postoperative MRI T2-weighted sequence by two independent observers, marking PLE on midbrain, thalamus, and subcortical levels as mild, moderate, or severe. Quantitative volumetric analysis of brain and brain compartment volumes was conducted using an automated CIVET processing pipeline on preoperative MRI T1 MPRAGE sequences. In addition, observed PLE on individual hemispheres was delineated manually and measured using Analyze 14.0 software. RESULTS In our cohort, PLE was observed in 32.17%, mostly bilaterally. Mild PLE was observed in the majority of patients, regardless of the level observed. Age, sex, diabetes, hypertension, vascular disease, and the use of anticoagulant/antiplatelet therapy showed no significant association with the occurrence of PLE. Total grey matter volume showed a significant association with the PLE occurrence (r = -0.22, p = 0.04), as well as cortex volume (r = -0.32, p = 0.0005). Cortical volumes of hemispheres, overall hemisphere volumes, as well as hemisphere/total intracranial volume ratio showed significant association with the PLE occurrence. Furthermore, the volume of the cortex and total grey volume represent moderate indicators, while hemisphere volumes, cortical volumes of hemispheres, and hemisphere/total intracranial volume ratio represent mild to moderate indicators of possible PLE occurrence. CONCLUSION The results of our study suggest that the morphometric MRI measurements, as a useful tool, can provide relevant information about the structural status of the brain in patients with PD and represent moderate indicators of possible PLE occurrence. Identifying patients with greater brain atrophy, especially regarding grey matter before DBS implantation, will allow us to estimate the possible postoperative symptoms and intervene in a timely manner. Further studies are needed to confirm our findings and to investigate other potential predictors and risk factors of PLE occurrence.
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Affiliation(s)
- Marina Raguž
- Department of Neurosurgery, Dubrava University Hospital, Zagreb, Croatia; School of Medicine, Catholic University of Croatia, Zagreb, Croatia.
| | - Petar Marčinković
- Department of Neurosurgery, Dubrava University Hospital, Zagreb, Croatia
| | - Hana Chudy
- Department of Neurology, Dubrava University Hospital, Zagreb, Croatia
| | - Darko Orešković
- Department of Neurosurgery, Dubrava University Hospital, Zagreb, Croatia
| | - Marin Lakić
- Department of Neurosurgery, Dubrovnik General Hospital, Dubrovnik, Croatia
| | - Domagoj Dlaka
- Department of Neurosurgery, Dubrava University Hospital, Zagreb, Croatia
| | - Nataša Katavić
- Department of Radiology and Interventional Radiology, Dubrava University Hospital, Zagreb, Croatia
| | - Valentino Rački
- Department of Neurology, University Hospital Centre, Rijeka, Croatia
| | - Vladimira Vuletić
- Department of Neurology, University Hospital Centre, Rijeka, Croatia
| | - Darko Chudy
- Department of Neurosurgery, Dubrava University Hospital, Zagreb, Croatia; Department of Surgery, School of Medicine University of Zagreb, Zagreb, Croatia
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Runge J, Nagel JM, Blahak C, Kinfe TM, Heissler HE, Schrader C, Wolf ME, Saryyeva A, Krauss JK. Does Temporary Externalization of Electrodes After Deep Brain Stimulation Surgery Result in a Higher Risk of Infection? Neuromodulation 2024; 27:565-571. [PMID: 37804281 DOI: 10.1016/j.neurom.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 08/14/2023] [Accepted: 08/22/2023] [Indexed: 10/09/2023]
Abstract
OBJECTIVES Deep brain stimulation (DBS) is a well-established surgical therapy for movement disorders that comprises implantation of stimulation electrodes and a pacemaker. These procedures can be performed separately, leaving the possibility of externalizing the electrodes for local field potential recording or testing multiple targets for therapeutic efficacy. It is still debated whether the temporary externalization of DBS electrodes leads to an increased risk of infection. We therefore aimed to assess the risk of infection during and after lead externalization in DBS surgery. MATERIALS AND METHODS In this retrospective study, we analyzed a consecutive series of 624 DBS surgeries, including 266 instances with temporary externalization of DBS electrodes for a mean of 6.1 days. Patients were available for follow-up of at least one year, except in 15 instances. In 14 patients with negative test stimulation, electrodes were removed. All kinds of infections related to implantation of the neurostimulation system were accounted for. RESULTS Overall, infections occurred in 22 of 624 surgeries (3.5%). Without externalization of electrodes, infections were noted after 7 of 358 surgeries (2.0%), whereas with externalization, 15 of 252 infections were found (6.0%). This difference was significant (p = 0.01), but it did not reach statistical significance when comparing groups within different diagnoses. The rate of infection with externalized electrodes was highest in psychiatric disorders (9.1%), followed by Parkinson's disease (7.3%), pain (5.7%), and dystonia (5.5%). The duration of the externalization of the DBS electrodes was comparable in patients who developed an infection (6.1 ± 3.1 days) with duration in those who did not (6.0 ± 3.5 days). CONCLUSIONS Although infection rates were relatively low in our study, there was a slightly higher infection rate when DBS electrodes were externalized. On the basis of our results, the indication for electrode externalization should be carefully considered, and patients should be informed about the possibility of a higher infection risk when externalization of DBS electrodes is planned.
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Affiliation(s)
- Joachim Runge
- Department of Neurosurgery, Hannover Medical School, Hannover, Germany.
| | - Johanna M Nagel
- Department of Neurosurgery, Hannover Medical School, Hannover, Germany
| | | | - Thomas M Kinfe
- Division of Functional Neurosurgery, Friedrich-Alexander University, Erlangen-Nürnberg, Germany
| | - Hans E Heissler
- Department of Neurosurgery, Hannover Medical School, Hannover, Germany
| | | | - Marc E Wolf
- Department of Neurology, Katharinenhospital Stuttgart, Stuttgart, Germany
| | - Assel Saryyeva
- Department of Neurosurgery, Hannover Medical School, Hannover, Germany
| | - Joachim K Krauss
- Department of Neurosurgery, Hannover Medical School, Hannover, Germany
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Wu B, Ling Y, Zhang C, Xu J, Yang C, Jiang N, Chen L, Liu J. Postoperative use of steroids for peri-electrode edema after deep brain stimulation surgery: A retrospective cohort study. CNS Neurosci Ther 2024; 30:e14470. [PMID: 37715573 PMCID: PMC10916416 DOI: 10.1111/cns.14470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 08/21/2023] [Accepted: 09/04/2023] [Indexed: 09/17/2023] Open
Abstract
BACKGROUND To review the incidence and extent of peri-electrode edema after DBS and to clarify the effect of postoperative use of steroids on the peri-electrode edema. METHODS This retrospective cohort study included 250 patients who underwent bilateral subthalamic nucleus (STN) DBS surgery with intact MRI within 1 month after DBS surgery. Patients were divided into steroid and non-steroid groups, based on postoperative steroids use. The occurrence and extent of peri-electrode edema were compared between the two groups, and other associated factors were analyzed using univariate and multivariate methods. RESULTS Peri-electrode edema >1 cm3 in at least one hemisphere was reported in 215 (86.00%) patients. The mean volume of peri-electrode edema observed in the steroid group was significantly smaller than in the non-steroid group (8.09 ± 8.47 cm3 vs 17.10 ± 16.90 cm3 , p < 0.001). In the steroid group, 104 (32.91%) of the 316 implanted electrodes present with edema less than 1 cm3 , whereas in the non-steroid group, only 27 (14.67%) of the 184 implanted electrodes present with edema less than 1 cm3 (p < 0.001). Multivariate analysis indicated that lesser peri-electrode edema was significantly associated with postoperative steroids use and general anesthesia. CONCLUSIONS Peri-electrode edema is common after DBS surgery, and postoperative steroids use reduces the occurrence and extent of peri-electrode edema.
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Affiliation(s)
- Bin Wu
- Department of Neurosurgery, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Department of Neurology, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
| | - Yuting Ling
- Department of Anesthesiology, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
| | - Changming Zhang
- Department of Neurosurgery, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
| | - Jiakun Xu
- Department of Neurosurgery, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
| | - Chao Yang
- Department of Neurosurgery, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
| | - Nan Jiang
- Department of Anesthesiology, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
| | - Ling Chen
- Department of Neurology, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
| | - Jinlong Liu
- Department of Neurosurgery, First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
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Dos Santos B, Vaz R, Braga AC, Rito M, Lucas D, Chamadoira C. Intracerebral hemorrhage after deep brain stimulation surgery guided with microelectrode recording: analysis of 297 procedures. Neurocirugia (Astur : Engl Ed) 2024; 35:79-86. [PMID: 37865159 DOI: 10.1016/j.neucie.2023.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/13/2023] [Indexed: 10/23/2023]
Abstract
OBJECTIVES Report the incidence of symptomatic and asymptomatic intracerebral hemorrhage (ICH) in patients submitted to deep brain stimulation (DBS) guided with microelectrode recording (MER) with further analysis of potential risk factors, both inherent to the patient and related to the pathology and surgical technique. METHODS We performed a retrospective observational study. 297 DBS procedures were concluded in 277 patients in a single hospital centre between January 2010 and December 2020. All surgeries were guided with MER. We analysed the incidence of symptomatic and asymptomatic ICH and its correlation to age, sex, diagnosis, hypertension and perioperative hypertension, diabetes, dyslipidaemia, antiplatelet drugs, anatomic target, and number of MER trajectories. RESULTS There were a total of 585 electrodes implanted in 277 patients. 16 ICH were observed, of which 6 were symptomatic and 10 asymptomatic, none of which incurred in permanent neurological deficit. The location of the hemorrhage varied between cortical and subcortical plans, always in relation with the trajectory or the final position of the electrode. The incidence of symptomatic ICH per lead-implantation was 1%, and the CT-scan demonstrated asymptomatic ICH in 1.7% more patients. Male patients or with hypertension are 2.7 and 2.2 times more likely to develop ICH, respectively. However, none of these characteristics has been shown to have a statistically significant association with the occurrence of ICH, as well as age, diagnosis, diabetes, dyslipidaemia, antiplatelet drugs, anatomic target, number of MER trajectories and perioperative hypertension. CONCLUSIONS MER-guided DBS is a safe technique, with low incidence of ICH and no permanent deficits in our study. Hypertension and male sex seem to be risk factors for the development of ICH in this surgery. Nevertheless, no statistically significant factors were found for the occurrence of this complication.
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Affiliation(s)
| | - Rui Vaz
- Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal; Neurosurgery Department, Centro Hospitalar Universitário de São João (CHUSJ), Porto, Portugal
| | | | - Manuel Rito
- Neurosurgery Department, Centro Hospitalar Universitário de São João (CHUSJ), Porto, Portugal
| | - Diana Lucas
- Neurosurgery Department, Centro Hospitalar Universitário de São João (CHUSJ), Porto, Portugal
| | - Clara Chamadoira
- Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal; Neurosurgery Department, Centro Hospitalar Universitário de São João (CHUSJ), Porto, Portugal
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Yuruk D, Ozger C, Garzon JF, Nakonezny PA, Vande Voort JL, Croarkin PE. A retrospective, naturalistic study of deep brain stimulation and vagal nerve stimulation in young patients. Brain Behav 2024; 14:e3452. [PMID: 38468454 PMCID: PMC10928335 DOI: 10.1002/brb3.3452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 12/15/2023] [Accepted: 02/06/2024] [Indexed: 03/13/2024] Open
Abstract
INTRODUCTION Invasive neuromodulation interventions such as deep brain stimulation (DBS) and vagal nerve stimulation (VNS) are important treatments for movement disorders and epilepsy, but literature focused on young patients treated with DBS and VNS is limited. This retrospective study aimed to examine naturalistic outcomes of VNS and DBS treatment of epilepsy and dystonia in children, adolescents, and young adults. METHODS We retrospectively assessed patient demographic and outcome data that were obtained from electronic health records. Two researchers used the Clinical Global Impression scale to retrospectively rate the severity of neurologic and psychiatric symptoms before and after patients underwent surgery to implant DBS electrodes or a VNS device. Descriptive and inferential statistics were used to examine clinical effects. RESULTS Data from 73 patients were evaluated. Neurologic symptoms improved for patients treated with DBS and VNS (p < .001). Patients treated with DBS did not have a change in psychiatric symptoms, whereas psychiatric symptoms worsened for patients treated with VNS (p = .008). The frequency of postoperative complications did not differ between VNS and DBS groups. CONCLUSION Young patients may have distinct vulnerabilities for increased psychiatric symptoms during treatment with invasive neuromodulation. Child and adolescent psychiatrists should consider a more proactive approach and greater engagement with DBS and VNS teams that treat younger patients.
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Affiliation(s)
- Deniz Yuruk
- Research Fellow in the Department of Psychiatry and PsychologyMayo Clinic School of Graduate Medical Education, Mayo Clinic College of Medicine and ScienceRochesterMinnesotaUSA
| | - Can Ozger
- Department of Psychiatry and PsychologyMayo Clinic Children's Research Center, and Mayo Clinic Depression Center, Mayo ClinicRochesterMinnesotaUSA
| | - Juan F. Garzon
- Research Fellow in the Department of Psychiatry and PsychologyMayo Clinic School of Graduate Medical Education, Mayo Clinic College of Medicine and ScienceRochesterMinnesotaUSA
| | - Paul A. Nakonezny
- Department Of Population And Data SciencesUT Southwestern Medical CenterDallasTexasUSA
| | - Jennifer L. Vande Voort
- Department of Psychiatry and PsychologyMayo Clinic Children's Research Center, and Mayo Clinic Depression Center, Mayo ClinicRochesterMinnesotaUSA
| | - Paul E. Croarkin
- Department of Psychiatry and PsychologyMayo Clinic Children's Research Center, and Mayo Clinic Depression Center, Mayo ClinicRochesterMinnesotaUSA
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Tordjman L, Lagha-Boukbiza O, Anheim M, Tranchant C, Bourgin P, Ruppert E. Restless legs syndrome in the dominant Parkinson's side related to subthalamic deep-brain stimulation. Sleep Med 2024; 115:174-176. [PMID: 38367359 DOI: 10.1016/j.sleep.2024.02.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/30/2024] [Accepted: 02/12/2024] [Indexed: 02/19/2024]
Abstract
BACKGROUND Restless legs syndrome (RLS) has an increased estimated prevalence in patients with Parkinson's disease (PS). RLS frequently mimics symptoms intrinsic to PD, such as motor restlessness, contributing to making its diagnosis challenging in this population. We report the case of a patient with new-onset RLS following subthalamic deep-brain stimulation (DBS-STN). We assessed symptoms using suggested immobilization test (SIT) with both DBS-STN activated and switched off. CASE DESCRIPTION A 59-year-old man with idiopathic PD developed disabling RLS following DBS-STN at age 58, with PD onset at 50 manifesting as left arm tremor. Despite improved motor symptoms during the month following surgery, the patient experienced left leg discomfort at rest, transiently alleviated by movements due to an irrepressible urge to move, and worsened at night. Symptoms had no temporal relationship with oral dopa-therapy and disappeared when DBS-STN was deactivated. A 1 h SIT assessed motor behavior with irrepressible urge to move, as well as sensory symptoms by visual analog scale. After 30 m DBS-STN was switched off followed by the appearance of tremor in the left arm while both motor and sensory symptoms of RLS disappeared in the left leg. DISCUSSION The mechanisms of DBS-STN's impact on RLS remain controversial. We hypothesize the DBS-STN to induce in our patient a hyperdopaminergic tone. DBS-induced and DBS-ameliorated RLS represent interesting conditions to further understand the pathophysiology of RLS. Moreover, the present observation suggests that SIT can be a valuable tool to assess RLS in PD patients before and after DBS-STN in future prospective studies.
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Affiliation(s)
- Lionel Tordjman
- CIRCSom (International Research Center for ChronoSomnology) & Sleep Disorders Center, University Hospital of Strasbourg, 1 Place de L'Hôpital, F-67000, Strasbourg, France
| | - Ouhaïd Lagha-Boukbiza
- Department of Neurology, Movement Disorders Clinic, University Hospital of Strasbourg, 1 Place de L'Hôpital, F-67000, Strasbourg, France
| | - Mathieu Anheim
- Department of Neurology, Movement Disorders Clinic, University Hospital of Strasbourg, 1 Place de L'Hôpital, F-67000, Strasbourg, France
| | - Christine Tranchant
- Department of Neurology, Movement Disorders Clinic, University Hospital of Strasbourg, 1 Place de L'Hôpital, F-67000, Strasbourg, France
| | - Patrice Bourgin
- CIRCSom (International Research Center for ChronoSomnology) & Sleep Disorders Center, University Hospital of Strasbourg, 1 Place de L'Hôpital, F-67000, Strasbourg, France; Institute for Cellular and Integrative Neurosciences, CNRS UPR 3212 & Strasbourg University, 8 Allée Du Général Rouvillois, F-67000, Strasbourg, France
| | - Elisabeth Ruppert
- CIRCSom (International Research Center for ChronoSomnology) & Sleep Disorders Center, University Hospital of Strasbourg, 1 Place de L'Hôpital, F-67000, Strasbourg, France; Institute for Cellular and Integrative Neurosciences, CNRS UPR 3212 & Strasbourg University, 8 Allée Du Général Rouvillois, F-67000, Strasbourg, France.
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Askari A, Zhu BJ, Lam JLW, Wyant KJ, Chou KL, Patil PG. Impact of subthalamic nucleus stimulation on urinary dysfunction and constipation in Parkinson's disease. J Neurosurg 2024; 140:657-664. [PMID: 37773878 DOI: 10.3171/2023.7.jns23837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 07/14/2023] [Indexed: 10/01/2023]
Abstract
OBJECTIVE The effect of subthalamic nucleus (STN) deep brain stimulation (DBS) on urinary dysfunction and constipation in Parkinson's disease (PD) is variable. This study aimed to identify potential surgical and nonsurgical variables predictive of these outcomes. METHODS The authors used the Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part I to assess urinary dysfunction (item 10) and constipation (item 11) preoperatively and at 6-12 months postoperatively. A multiple linear regression model was used to investigate the impact of global cerebral atrophy (GCA) and active electrode contact location on the urinary dysfunction and constipation follow-up scores, controlling for age, disease duration, baseline score, motor improvement, and levodopa-equivalent dose changes. An electric field model was applied to localize the maximal-effect sites for constipation and urinary dysfunction compared with those for motor improvement. RESULTS Among 74 patients, 23 improved, 28 deteriorated, and 23 remained unchanged for urinary dysfunction; 25 improved, 15 deteriorated, and 34 remained unchanged for constipation. GCA score and age significantly predicted urinary dysfunction follow-up score (R2 = 0.36, p < 0.001). Increased GCA and age were independently associated with worsening urinary symptoms. Disease duration, baseline constipation score, and anterior active electrode contacts in both hemispheres were significant predictors of constipation follow-up score (R2 = 0.31, p < 0.001). Higher baseline constipation score and disease duration were associated with worsening constipation; anterior active contact location was associated with improvement in constipation. CONCLUSIONS Anterior active contact location was associated with improvement in constipation in PD patients after STN DBS. PD patients with greater GCA scores before surgery were more likely to experience urinary deterioration after DBS.
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Affiliation(s)
| | | | | | - Kara J Wyant
- 3Neurology, University of Michigan, Ann Arbor, Michigan
| | - Kelvin L Chou
- Departments of1Neurological Surgery
- 3Neurology, University of Michigan, Ann Arbor, Michigan
| | - Parag G Patil
- Departments of1Neurological Surgery
- 2Biomedical Engineering, and
- 3Neurology, University of Michigan, Ann Arbor, Michigan
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Zhang DY, Pearce JJ, Petrosyan E, Borghei A, Byrne RW, Sani S. Minimizing pneumocephalus during deep brain stimulation surgery. Clin Neurol Neurosurg 2024; 238:108174. [PMID: 38422743 DOI: 10.1016/j.clineuro.2024.108174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Deep brain stimulation (DBS) surgery is an effective treatment for movement disorders. Introduction of intracranial air following dura opening in DBS surgery can result in targeting inaccuracy and suboptimal outcomes. We develop and evaluate a simple method to minimize pneumocephalus during DBS surgery. METHODS A retrospective analysis of prospectively collected data was performed on patients undergoing DBS surgery at our institution from 2014 to 2022. A total of 172 leads placed in 89 patients undergoing awake or asleep DBS surgery were analyzed. Pneumocephalus volume was compared between leads placed with PMT and leads placed with standard dural opening. (112 PMT vs. 60 OPEN). Immediate post-operative high-resolution CT scans were obtained for all leads placed, from which pneumocephalus volume was determined through a semi-automated protocol with ITK-SNAP software. Awake surgery was conducted with the head positioned at 15-30°, asleep surgery was conducted at 0°. RESULTS PMT reduced pneumocephalus from 11.2 cm3±9.2 to 0.8 cm3±1.8 (P<0.0001) in the first hemisphere and from 7.6 cm3 ± 8.4 to 0.43 cm3 ± 0.9 (P<0.0001) in the second hemisphere. No differences in adverse events were noted between PMT and control cases. Lower rates of post-operative headache were observed in PMT group. CONCLUSION We present and validate a simple yet efficacious technique to reduce pneumocephalus during DBS surgery.
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Affiliation(s)
- Daniel Y Zhang
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL, USA
| | - John J Pearce
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL, USA
| | - Edgar Petrosyan
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL, USA
| | - Alireza Borghei
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL, USA
| | - Richard W Byrne
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL, USA
| | - Sepehr Sani
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL, USA.
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Shepherd H, Heartshorne R, Osman-Farah J, Macerollo A. Dual target deep brain stimulation for complex essential and dystonic tremor - A 5-year follow up. J Neurol Sci 2024; 457:122887. [PMID: 38295533 DOI: 10.1016/j.jns.2024.122887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/12/2023] [Accepted: 01/11/2024] [Indexed: 02/02/2024]
Abstract
BACKGROUND Essential tremor (ET) is characterized by action tremor of the upper limbs, head tremor and voice tremor. Dystonic tremor (DT) is produced by muscle contractions in a body affected by dystonia. Deep brain stimulation (DBS) of ventral intermediate nucleus of the thalamus (VIM) is the most well-known advanced treatment for medication-refractory tremor. However, decline in efficacy overtime has led to explore other targets. This study aimed to measure the efficacy of bilateral dual targeting ViM/caudal Zona Incerta (cZI) stimulation on tremor control. A secondary aim was to evaluate if there was a difference in the efficacy between ET and DT. METHODS 36 patients were retrospectively recruited at the Walton NHS Foundation Trust, Liverpool, UK. Patients were assessed pre-operatively, and then at 1-year, 3-years, and 5-years post-operatively with the following scales: Fahn-Tolosa-Marin tremor rating (FTMTR) scale, EuroQol-5D, and Hospital Anxiety and Depression Scale. RESULTS Bilateral ViM-cZI DBS significantly improved overall tremor score by 45.1% from baseline to 3-years post-operatively (p < 0.001). It continued to show improvement in overall FTMTR score by 30.7% at 5-years but this failed to meet significance. However, there was no significant improvement of mood or quality of life (QoL) scores. ET group on average showed a significant better clinical outcome compared to the DT group (p > 0.001). CONCLUSIONS Our study found that bilateral ViM-cZI DBS treatment had a favourable effect on motor symptoms sustained over the 5-years in tremor patients, especially in ET group. There was limited effect on mood and QoL with similar trends in outcomes for both tremor types.
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Affiliation(s)
- Hilary Shepherd
- The Walton Centre NHS Foundation Trust for Neurology and Neurosurgery, Liverpool, UK; University of Liverpool Medical School, Liverpool, UK.
| | - Rosie Heartshorne
- The Walton Centre NHS Foundation Trust for Neurology and Neurosurgery, Liverpool, UK
| | - Jibril Osman-Farah
- The Walton Centre NHS Foundation Trust for Neurology and Neurosurgery, Liverpool, UK
| | - Antonella Macerollo
- The Walton Centre NHS Foundation Trust for Neurology and Neurosurgery, Liverpool, UK; Institute of Systems, Molecular and Integrative Biology, University of Liverpool, UK
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Holewijn RA, Zoon TJC, Verbaan D, Bergfeld IO, Verwijk E, Geurtsen GJ, van Rooijen G, van den Munckhof P, Bot M, Denys DAJP, De Bie RMA, Schuurman PR. Cognitive and psychiatric outcomes in the GALAXY trial: effect of anaesthesia in deep brain stimulation. J Neurol Neurosurg Psychiatry 2024; 95:214-221. [PMID: 37679030 DOI: 10.1136/jnnp-2023-331791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 08/23/2023] [Indexed: 09/09/2023]
Abstract
BACKGROUND This study aims: (1) To compare cognitive and psychiatric outcomes after bilateral awake versus asleep subthalamic nucleus (STN) deep brain stimulation (DBS) surgery for Parkinson's disease (PD). (2) To explore the occurrence of psychiatric diagnoses, cognitive impairment and quality of life after surgery in our whole sample. (3) To validate whether we can predict postoperative cognitive decline. METHODS 110 patients with PD were randomised to receive awake (n=56) or asleep (n=54) STN DBS surgery. At baseline and 6-month follow-up, all patients underwent standardised assessments testing several cognitive domains, psychiatric symptoms and quality of life. RESULTS There were no differences on neuropsychological composite scores and psychiatric symptoms between the groups, but we found small differences on individual tests and cognitive domains. The asleep group performed better on the Rey Auditory Verbal Learning Test delayed memory test (f=4.2, p=0.04), while the awake group improved on the Rivermead Behavioural Memory Test delayed memory test. (f=4.4, p=0.04). The Stroop III score was worse for the awake group (f=5.5, p=0.02). Worse scores were present for Stroop I (Stroop word card) (f=6.3, p=0.01), Stroop II (Stroop color card) (f=46.4, p<0.001), Stroop III (Stroop color-word card) (f=10.8, p=0.001) and Trailmaking B/A (f=4.5, p=0.04). Improvements were seen on quality of life: Parkinson's Disease Questionnaire-39 (f=24.8, p<0.001), and psychiatric scales: Hamilton Depression Rating Scale (f=6.2, p=0.01), and Hamilton Anxiety Rating Scale (f=5.5, p=0.02). CONCLUSIONS This study suggests that the choice between awake and asleep STN DBS does not affect cognitive, mood and behavioural adverse effects, despite a minor difference in memory. STN DBS has a beneficial effect on quality of life, mood and anxiety symptoms. TRIAL REGISTRATION NUMBER NTR5809.
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Affiliation(s)
- Rozemarije A Holewijn
- Department of Neurosurgery, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Thomas J C Zoon
- Department of Psychiatry, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Dagmar Verbaan
- Department of Neurosurgery, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Isidoor O Bergfeld
- Department of Psychiatry, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Esmée Verwijk
- Amsterdam Neuroscience, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Department of Medical Psychology, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Gert J Geurtsen
- Department of Medical Psychology, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Geeske van Rooijen
- Department of Psychiatry, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Pepijn van den Munckhof
- Department of Neurosurgery, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Maarten Bot
- Department of Neurosurgery, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Damiaan A J P Denys
- Department of Psychiatry, Amsterdam University Medical Centers, Amsterdam, The Netherlands
- Amsterdam Neuroscience, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Rob M A De Bie
- Department of Neurology, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - P Rick Schuurman
- Department of Neurosurgery, Amsterdam University Medical Centers, Amsterdam, The Netherlands
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Zoon TJC, van Rooijen G, Contarino MF, van der Gaag S, Zutt R, van Asseldonk JT, van den Munckhof P, Schuurman PR, Denys DAJP, de Bie RMA. A multicenter double-blind randomized crossover study comparing the impact of dorsal subthalamic nucleus deep brain stimulation versus standard care on apathy in Parkinson's disease: a study protocol. Trials 2024; 25:104. [PMID: 38308317 PMCID: PMC10837902 DOI: 10.1186/s13063-024-07938-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 01/16/2024] [Indexed: 02/04/2024] Open
Abstract
BACKGROUND Neuroimaging studies suggest an association between apathy after deep brain stimulation (DBS) and stimulation of the ventral part of the subthalamic nucleus (STN) due to the associative fibers connected to the non-motor limbic circuits that are involved in emotion regulation and motivation. We have previously described three patients with severe apathy that could be fully treated after switching stimulation from a ventral electrode contact point to a more dorsal contact point. OBJECTIVES To determine whether more dorsal stimulation of the STN decreases apathy compared to standard care in a multicenter randomized controlled trial with a crossover design. METHODS We will include 26 patients with a Starkstein Apathy Scale (SAS) score of 14 or more after subthalamic nucleus (STN) deep brain stimulation (DBS) for refractory Parkinson's disease. This is a multicenter trial conducted in two teaching hospitals and one university medical center in the Netherlands after at least 3 months of STN DBS. Our intervention will consist of 1 month of unilateral dorsal STN stimulation compared to treatment as usual. The primary outcome is a change in SAS score following 1 month of DBS on the original contact compared to the SAS score following 1 month of DBS on the more dorsal contact. Secondary outcomes are symptom changes on the Movement Disorders Society-Unified Parkinson's Disease Rating Scale motor part III, Montgomery-Åsberg Depression Rating Scale, 39-item Parkinson's disease questionnaire, Parkinson's disease impulsive-compulsive disorders questionnaire, changes in levodopa-equivalent daily dosage, apathy rated by the caregiver, and burden and quality of life of the caregiver. TRIAL REGISTRATION ClinicalTrials.gov NL8279. Registered on January 10, 2020.
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Affiliation(s)
- T J C Zoon
- Department of Psychiatry, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands.
| | - G van Rooijen
- Department of Psychiatry, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands
| | | | | | - R Zutt
- HagaZiekenhuis, the Hague, the Netherlands
| | | | | | - P R Schuurman
- Department of Neurosurgery, Amsterdam UMC, Amsterdam, the Netherlands
| | - D A J P Denys
- Department of Psychiatry, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands
| | - R M A de Bie
- Department of Neurology, Amsterdam UMC, Location AMC, Amsterdam, the Netherlands
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Hao QP, Zheng WT, Zhang ZH, Liu YZ, Ding H, OuYang J, Liu Z, Wu GY, Liu RE. Subthalamic nucleus deep brain stimulation in primary Meige syndrome: motor and non-motor outcomes. Eur J Neurol 2024; 31:e16121. [PMID: 37933887 DOI: 10.1111/ene.16121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/30/2023] [Accepted: 10/14/2023] [Indexed: 11/08/2023]
Abstract
BACKGROUND AND PURPOSE Deep brain stimulation (DBS) has emerged as a promising treatment for movement disorders. This prospective study aims to evaluate the effects of bilateral subthalamic nucleus DBS (STN-DBS) on motor and non-motor symptoms in patients with primary Meige syndrome. METHODS Thirty patients who underwent bilateral STN-DBS between April 2017 and June 2020 were included. Standardized and validated scales were utilized to assess the severity of dystonia, health-related quality of life, sleep, cognitive function and mental status at baseline and at 1 year and 3 years after neurostimulation. RESULTS The Burke-Fahn-Marsden Dystonia Rating Scale movement scores showed a mean improvement of 63.0% and 66.8% at 1 year and 3 years, respectively, after neurostimulation. Similarly, the Burke-Fahn-Marsden Dystonia Rating Scale disability scores improved by 60.8% and 63.3% at the same time points. Postoperative quality of life demonstrated a significant and sustained improvement throughout the follow-up period. However, cognitive function, mental status, sleep quality and other neuropsychological functions did not change after 3 years of neurostimulation. Eight adverse events occurred in six patients, but no deaths or permanent sequelae were reported. CONCLUSIONS Bilateral STN-DBS is a safe and effective alternative treatment for primary Meige syndrome, leading to improvements in motor function and quality of life. Nevertheless, it did not yield significant amelioration in cognitive, mental, sleep status and other neuropsychological functions after 3 years of neurostimulation.
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Affiliation(s)
- Qing-Pei Hao
- Department of Neurosurgery, Peking University People's Hospital, Beijing, China
| | - Wen-Tao Zheng
- Department of Neurosurgery, Peking University People's Hospital, Beijing, China
| | - Zi-Hao Zhang
- Department of Neurosurgery, Peking University People's Hospital, Beijing, China
| | - Ye-Zu Liu
- Department of Neurosurgery, Peking University People's Hospital, Beijing, China
| | - Hu Ding
- Department of Neurology, Peking University People's Hospital, Beijing, China
| | - Jia OuYang
- Department of Neurosurgery, Peking University People's Hospital, Beijing, China
- Functional Neurosurgery Research Center, Peking University Health Science Center, Beijing, China
| | - Zhi Liu
- Department of Neuropsychology, Peking University People's Hospital, Beijing, China
| | - Guang-Yong Wu
- Department of Neurosurgery, Peking University People's Hospital, Beijing, China
- Department of Neuropsychology, Peking University People's Hospital, Beijing, China
- Department of Neurosurgery, Beijing Shunyi Hospital, Beijing, China
| | - Ru-En Liu
- Department of Neurosurgery, Peking University People's Hospital, Beijing, China
- Department of Neuropsychology, Peking University People's Hospital, Beijing, China
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Genovese D, Bove F, Rigon L, Tufo T, Izzo A, Calabresi P, Bentivoglio AR, Piano C. Long-term safety and efficacy of frameless subthalamic deep brain stimulation in Parkinson's disease. Neurol Sci 2024; 45:565-572. [PMID: 37700176 PMCID: PMC10791817 DOI: 10.1007/s10072-023-07059-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 09/02/2023] [Indexed: 09/14/2023]
Abstract
BACKGROUND Bilateral deep brain stimulation (DBS) of the subthalamic nucleus (STN) is standard of care for Parkinson's disease (PD) patients and a correct lead placement is crucial to obtain good clinical outcomes. Evidence demonstrating the targeting accuracy of the frameless technique for DBS, along with the advantages for patients and clinicians, is solid, while data reporting long-term clinical outcomes for PD patients are still lacking. OBJECTIVES The study aims to assess the clinical safety and efficacy of frameless bilateral STN-DBS in PD patients at 5 years from surgery. METHODS Consecutive PD patients undergoing bilateral STN-DBS with a frameless system were included in this single-center retrospective study. Clinical features, including the Unified Parkinson's Disease Rating Scale (UPDRS) in its total motor score and axial sub-scores, and pharmacological regimen were assessed at baseline, 1 year, 3 years, and 5 years after surgery. The adverse events related to the procedure, stimulation, or the presence of the hardware were systematically collected. RESULTS Forty-one PD patients undergone bilateral STN-DBS implantation were included in the study and fifteen patients already completed the 5-year observation. No complications occurred during surgery and the perioperative phase, and no unexpected serious adverse event occurred during the entire follow-up period. At 5 years from surgery, there was a sustained motor efficacy of STN stimulation: STN-DBS significantly improved the off-stim UPDRS III score at 5 years by 37.6% (P < 0.001), while the dopaminergic medications remained significantly reduced compared to baseline (- 21.6% versus baseline LEDD; P = 0.036). CONCLUSIONS Our data support the use of the frameless system for STN-DBS in PD patients, as a safe and well-tolerated technique, with long-term clinical benefits and persistent motor efficacy at 5 years from the surgery.
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Affiliation(s)
- Danilo Genovese
- Neurology Unit, IRCCS Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Department of Neurology, The Marlene and Paolo Fresco Institute for Parkinson's and Movement Disorders, NYU Langone Health, New York, NY, USA
| | - Francesco Bove
- Neurology Unit, IRCCS Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy.
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy.
| | - Leonardo Rigon
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Tommaso Tufo
- Neurosurgery Unit, IRCCS Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Alessandro Izzo
- Neurosurgery Unit, IRCCS Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Paolo Calabresi
- Neurology Unit, IRCCS Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Anna Rita Bentivoglio
- Neurology Unit, IRCCS Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Carla Piano
- Neurology Unit, IRCCS Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
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18
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Acevedo N, Rossell S, Castle D, Groves C, Cook M, McNeill P, Olver J, Meyer D, Perera T, Bosanac P. Clinical outcomes of deep brain stimulation for obsessive-compulsive disorder: Insight as a predictor of symptom changes. Psychiatry Clin Neurosci 2024; 78:131-141. [PMID: 37984432 PMCID: PMC10952286 DOI: 10.1111/pcn.13619] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 10/18/2023] [Accepted: 11/11/2023] [Indexed: 11/22/2023]
Abstract
AIM Deep brain stimulation (DBS) is a safe and effective treatment option for people with refractory obsessive-compulsive disorder (OCD). Yet our understanding of predictors of response and prognostic factors remains rudimentary, and long-term comprehensive follow-ups are lacking. We aim to investigate the efficacy of DBS therapy for OCD patients, and predictors of clinical response. METHODS Eight OCD participants underwent DBS stimulation of the nucleus accumbens (NAc) in an open-label longitudinal trial, duration of follow-up varied between 9 months and 7 years. Post-operative care involved comprehensive fine tuning of stimulation parameters and adjunct multidisciplinary therapy. RESULTS Six participants achieved clinical response (35% improvement in obsessions and compulsions on the Yale Brown Obsessive Compulsive Scale (YBOCS)) within 6-9 weeks, response was maintained at last follow up. On average, the YBOCS improved by 45% at last follow up. Mixed linear modeling elucidated directionality of symptom changes: insight into symptoms strongly predicted (P = 0.008) changes in symptom severity during DBS therapy, likely driven by initial changes in depression and anxiety. Precise localization of DBS leads demonstrated that responders most often had their leads (and active contacts) placed dorsal compared to non-responders, relative to the Nac. CONCLUSION The clinical efficacy of DBS for OCD is demonstrated, and mediators of changes in symptoms are proposed. The symptom improvements within this cohort should be seen within the context of the adjunct psychological and biopsychosocial care that implemented a shared decision-making approach, with flexible iterative DBS programming. Further research should explore the utility of insight as a clinical correlate of response. The trial was prospectively registered with the ANZCTR (ACTRN12612001142820).
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Affiliation(s)
- Nicola Acevedo
- Centre for Mental HealthSwinburne University of TechnologyMelbourneVictoriaAustralia
- St Vincent's HospitalMelbourneVictoriaAustralia
| | - Susan Rossell
- Centre for Mental HealthSwinburne University of TechnologyMelbourneVictoriaAustralia
- St Vincent's HospitalMelbourneVictoriaAustralia
| | - David Castle
- St Vincent's HospitalMelbourneVictoriaAustralia
- Centre for Addiction and Mental HealthUniversity of TorontoTorontoOntarioCanada
| | | | - Mark Cook
- St Vincent's HospitalMelbourneVictoriaAustralia
| | | | - James Olver
- Department of PsychiatryUniversity of MelbourneMelbourneVictoriaAustralia
| | - Denny Meyer
- Centre for Mental HealthSwinburne University of TechnologyMelbourneVictoriaAustralia
| | - Thushara Perera
- Bionics InstituteEast MelbourneVictoriaAustralia
- Department of Medical BionicsThe University of MelbourneMelbourneVictoriaAustralia
| | - Peter Bosanac
- St Vincent's HospitalMelbourneVictoriaAustralia
- Department of PsychiatryUniversity of MelbourneMelbourneVictoriaAustralia
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Acevedo N, Castle D, Rossell S. The promise and challenges of transcranial magnetic stimulation and deep brain stimulation as therapeutic options for obsessive-compulsive disorder. Expert Rev Neurother 2024; 24:145-158. [PMID: 38247445 DOI: 10.1080/14737175.2024.2306875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
INTRODUCTION Obsessive compulsive disorder (OCD) represents a complex and often difficult to treat disorder. Pharmacological and psychotherapeutic interventions are often associated with sub-optimal outcomes, and 40-60% of patients are resistant to first line therapies and thus left with few treatment options. OCD is underpinned by aberrant neurocircuitry within cortical, striatal, and thalamic brain networks. Considering the neurocircuitry impairments that underlie OCD symptomology, neurostimulation therapies provide an opportunity to modulate psychopathology in a personalized manner. Also, by probing pathological neural networks, enhanced understanding of disease states can be obtained. AREAS COVERED This perspective discusses the clinical efficacy of TMS and DBS therapies, treatment access options, and considerations and challenges in managing patients. Recent scientific progress is discussed, with a focus on neurocircuitry and biopsychosocial aspects. Translational recommendations and suggestions for future research are provided. EXPERT OPINION There is robust evidence to support TMS and DBS as an efficacious therapy for treatment resistant OCD patients supported by an excellent safety profile and favorable health economic data. Despite a great need for alternative therapies for chronic and severe OCD patients, resistance toward neurostimulation therapies from regulatory bodies and the psychiatric community remains. The authors contend for greater access to TMS and DBS for treatment resistant OCD patients at specialized sites with appropriate clinical resources, particularly considering adjunct and follow-up care. Also, connectome targeting has shown robust predictive ability of symptom improvements and holds potential in advancing personalized neurostimulation therapies.
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Affiliation(s)
- Nicola Acevedo
- Centre for Mental Health, Swinburne University of Technology, Melbourne, VIC, Australia
- Department of Psychiatry, St Vincent's Hospital, Melbourne, VIC, Australia
| | - David Castle
- Psychological Sciences, University of Tasmania, Hobart, Australia
- Centre for Mental Health Innovation, Hobart, Tasmania, Australia
- Statewide Mental Health Service, Hobart, Tasmania, Australia
| | - Susan Rossell
- Centre for Mental Health, Swinburne University of Technology, Melbourne, VIC, Australia
- Department of Psychiatry, St Vincent's Hospital, Melbourne, VIC, Australia
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20
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Chee K, Hirt L, Mendlen M, Machnik J, Razmara A, Bayman E, Thompson JA, Kramer DR. Brain Shift during Staged Deep Brain Stimulation for Movement Disorders. Stereotact Funct Neurosurg 2024; 102:83-92. [PMID: 38286119 DOI: 10.1159/000535197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 11/06/2023] [Indexed: 01/31/2024]
Abstract
INTRODUCTION Deep brain stimulation (DBS) is a routine neurosurgical procedure utilized to treat various movement disorders including Parkinson's disease (PD), essential tremor (ET), and dystonia. Treatment efficacy is dependent on stereotactic accuracy of lead placement into the deep brain target of interest. However, brain shift attributed to pneumocephalus can introduce unpredictable inaccuracies during DBS lead placement. This study aimed to determine whether intracranial air is associated with brain shift in patients undergoing staged DBS surgery. METHODS We retrospectively evaluated 46 patients who underwent staged DBS surgery for PD, ET, and dystonia. Due to the staged nature of DBS surgery at our institution, the first electrode placement is used as a concrete fiducial marker for movement in the target location. Postoperative computed tomography (CT) images after the first electrode implantation, as well as preoperative, and postoperative CT images after the second electrode implantation were collected. Images were analyzed in stereotactic targeting software (BrainLab); intracranial air was manually segmented, and electrode shift was measured in the x, y, and z plane, as well as a Euclidian distance on each set of merged CT scans. A Pearson correlation analysis was used to determine the relationship between intracranial air and brain shift, and student's t test was used to compare means between patients with and without radiographic evidence of intracranial air. RESULTS Thirty-six patients had pneumocephalus after the first electrode implantation, while 35 had pneumocephalus after the second electrode implantation. Accumulation of intracranial air following the first electrode implantation (4.49 ± 6.05 cm3) was significantly correlated with brain shift along the y axis (0.04 ± 0.35 mm; r (34) = 0.36; p = 0.03), as well as the Euclidean distance of deviation (0.57 ± 0.33 mm; r (34) = 0.33; p = 0.05) indicating statistically significant shift on the ipsilateral side. However, there was no significant correlation between intracranial air and brain shift following the second electrode implantation, suggesting contralateral shift is minimal. Furthermore, there was no significant difference in brain shift between patients with and without radiographic evidence of intracranial air following both electrode implantation surgeries. CONCLUSION Despite observing volumes as high as 22.0 cm3 in patients with radiographic evidence of pneumocephalus, there was no significant difference in brain shift when compared to patients without pneumocephalus. Furthermore, the mean magnitude of brain shift was <1.0 mm regardless of whether pneumocephalus was presenting, suggesting that intracranial air accumulation may not produce clinical significant brain shift in our patients.
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Affiliation(s)
- Keanu Chee
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
| | - Lisa Hirt
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
| | - Madelyn Mendlen
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
| | - Jannika Machnik
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
| | - Ashkaun Razmara
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
| | - Eric Bayman
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
| | - John A Thompson
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
- Department of Neurology, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
- Department of Psychiatry, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
| | - Daniel R Kramer
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus School of Medicine, Aurora, Colorado, USA
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Santyr B, Loh A, Vetkas A, Gwun D, Fung WK, Qazi S, Germann J, Boutet A, Sarica C, Yang A, Elias G, Kalia SK, Fasano A, Lozano AM. Uncovering neuroanatomical correlates of impaired coordinated movement after pallidal deep brain stimulation. J Neurol Neurosurg Psychiatry 2024; 95:167-170. [PMID: 37438098 DOI: 10.1136/jnnp-2022-330734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 05/30/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND The loss of the ability to swim following deep brain stimulation (DBS), although rare, poses a worrisome risk of drowning. It is unclear what anatomic substrate and neural circuitry underlie this phenomenon. We report a case of cervical dystonia with lost ability to swim and dance during active stimulation of globus pallidus internus. We investigated the anatomical underpinning of this phenomenon using unique functional and structural imaging analysis. METHODS Tesla (3T) functional MRI (fMRI) of the patient was used during active DBS and compared with a cohort of four matched patients without this side effect. Structural connectivity mapping was used to identify brain network engagement by stimulation. RESULTS fMRI during stimulation revealed significant (Pbonferroni<0.0001) stimulation-evoked responses (DBS ON CONCLUSIONS These stimulation-induced impairments are likely a manifestation of a broader deficit in interlimb coordination mediated by stimulation effects on the SMA. This neuroanatomical underpinning can help inform future patient-specific stimulation and targeting.
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Affiliation(s)
- Brendan Santyr
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Aaron Loh
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Artur Vetkas
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Dave Gwun
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Wilson Kw Fung
- Edmond J. Safra Program in Parkinson's Disease and Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Shakeel Qazi
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Jurgen Germann
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Alexandre Boutet
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
- Joint Department of Medical Imaging, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Can Sarica
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Andrew Yang
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Gavin Elias
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
| | - Suneil K Kalia
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
- Krembil Brain Institute, University Health Network, Toronto, Ontario, Canada
- Center for Advancing Neurotechnological Innovation to Application (CRANIA), University Health Network, Toronto, Ontario, Canada
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease and Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, Toronto, Ontario, Canada
- Krembil Brain Institute, University Health Network, Toronto, Ontario, Canada
- Center for Advancing Neurotechnological Innovation to Application (CRANIA), University Health Network, Toronto, Ontario, Canada
- Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Andres M Lozano
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
- Krembil Brain Institute, University Health Network, Toronto, Ontario, Canada
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22
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Smeets S, Boogers A, Van Bogaert T, Peeters J, McLaughlin M, Nuttin B, Theys T, Vandenberghe W, De Vloo P. Deep brain stimulation with short versus conventional pulse width in Parkinson's disease and essential tremor: A systematic review and meta-analysis. Brain Stimul 2024; 17:71-82. [PMID: 38160999 DOI: 10.1016/j.brs.2023.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 12/04/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024] Open
Abstract
BACKGROUND To maximize clinical benefit and minimize stimulation-induced side effects, optimising deep brain stimulation (DBS) parameters is paramount. Recent literature suggests a potential benefit of short pulse width DBS (spDBS; ≤40 μs) over conventional pulse width DBS (cDBS; ≥60 μs) in movement disorders. OBJECTIVE To compare therapeutic window (TW), therapeutic and side effects and energy consumption of spDBS and cDBS in movement disorders. METHODS We systematically searched Medline, Embase, Cochrane Library and Web of Science. Appropriate paired analyses were performed. RESULTS Nine Parkinson's disease (PD) (143 patients), 4 essential tremor (ET) (26 patients) and no dystonia studies were included in the meta-analysis. TW defined as therapeutic amplitude range was larger with spDBS vs. cDBS in PD (standardized mean difference (SMD) = -1.04, p < 0.001) and ET (SMD = -0.71, p < 0.001), but the TW in terms of charge per pulse (CPP) did not differ. In PD, no differences were found in therapeutic and side effects (MDS-UPDRS-III, speech and gait, dyskinesia, non-motor symptoms and quality of life). In ET, Fahn-Tolosa-Marin Tremor Rating Scale was lower with spDBS vs. cDBS (SMD = 0.36, p < 0.001). A qualitative analysis suggested fewer stimulation-induced side effects with spDBS. CPP was lower with spDBS vs. cDBS in PD (SMD = 0.79, p < 0.001) and ET (MD = 46.46 nC, p < 0.001), but real-world data on battery longevity are lacking. CONCLUSION Although spDBS enlarges the TW as a wider amplitude range in both PD and ET, it does not alter TW defined by CPP. The therapeutic efficacy of spDBS is not different from cDBS in PD, but spDBS apparently induces more tremor reduction in ET.
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Affiliation(s)
- Sara Smeets
- Department of Neurosurgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.
| | - Alexandra Boogers
- Department of Neurology, Toronto Western Hospital, 399 Bathurst Street, Toronto, Ontario, Canada
| | - Tine Van Bogaert
- Experimental Oto-rhino-laryngology, Department of Neurosciences, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Jana Peeters
- Experimental Oto-rhino-laryngology, Department of Neurosciences, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Myles McLaughlin
- Experimental Oto-rhino-laryngology, Department of Neurosciences, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Bart Nuttin
- Department of Neurosurgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium; Laboratory for Experimental Functional Neurosurgery, Research Group of Experimental Neurosurgery and Neuroanatomy, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Tom Theys
- Department of Neurosurgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium; Laboratory for Experimental Functional Neurosurgery, Research Group of Experimental Neurosurgery and Neuroanatomy, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Wim Vandenberghe
- Department of Neurology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium; Laboratory for Parkinson Research, Research Group Experimental Neurology, Department of Neurosciences, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Philippe De Vloo
- Department of Neurosurgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium; Laboratory for Experimental Functional Neurosurgery, Research Group of Experimental Neurosurgery and Neuroanatomy, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
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23
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Mainardi M, Ciprietti D, Pilleri M, Bonato G, Weis L, Cianci V, Biundo R, Ferreri F, Piacentino M, Landi A, Guerra A, Antonini A. Deep brain stimulation of globus pallidus internus and subthalamic nucleus in Parkinson's disease: a multicenter, retrospective study of efficacy and safety. Neurol Sci 2024; 45:177-185. [PMID: 37555874 PMCID: PMC10761504 DOI: 10.1007/s10072-023-06999-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/11/2023] [Indexed: 08/10/2023]
Abstract
BACKGROUND Deep brain stimulation (DBS) is an established therapeutic option in advanced Parkinson's disease (PD). Literature data and recent guidelines remain inconclusive about the best choice as a target between the subthalamic nucleus (STN) and the globus pallidus internus (GPi). MATERIALS AND METHODS We retrospectively reviewed the clinical efficacy outcomes of 48 DBS-implanted patients (33 STN-DBS and 15 GPi-DBS) at a short- (<1 year from the surgery) and long-term (2-5 years) follow-up. Also, clinical safety outcomes, including postoperative surgical complications and severe side effects, were collected. RESULTS We found no difference between STN-DBS and GPi-DBS in improving motor symptoms at short-term evaluation. However, STN-DBS achieved a more prominent reduction in oral therapy (L-DOPA equivalent daily dose, P = .02). By contrast, GPi-DBS was superior in ameliorating motor fluctuations and dyskinesia (MDS-UPDRS IV, P < .001) as well as motor experiences of daily living (MDS-UPDRS II, P = .03). The greater efficacy of GPi-DBS on motor fluctuations and experiences of daily living was also present at the long-term follow-up. We observed five serious adverse events, including two suicides, all among STN-DBS patients. CONCLUSION Both STN-DBS and GPi-DBS are effective in improving motor symptoms severity and complications, but GPi-DBS has a greater impact on motor fluctuations and motor experiences of daily living. These results suggest that the two targets should be considered equivalent in motor efficacy, with GPi-DBS as a valuable option in patients with prominent motor complications. The occurrence of suicides in STN-treated patients claims further attention in target selection.
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Affiliation(s)
- Michele Mainardi
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Dario Ciprietti
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Manuela Pilleri
- Service of Neurology, Villa Margherita-Santo Stefano Private Hospital, Arcugnano, Italy
| | - Giulia Bonato
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Luca Weis
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Valeria Cianci
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Roberta Biundo
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
- Department of General Psychology, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Florinda Ferreri
- Unit of Neurology, Unit of Clinical Neurophysiology, Department of Neuroscience, University of Padova, 35128, Padova, Italy
| | - Massimo Piacentino
- Department of Neurosurgery, AULSS 8 Berica Ospedale San Bortolo, Viale Rodolfi, 37 36100, Vicenza, Italy
| | - Andrea Landi
- Academic Neurosurgery, Department of Neurosciences, University of Padova, 35128, Padova, Italy
| | - Andrea Guerra
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Angelo Antonini
- Parkinson and Movement Disorders Unit, Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Via Giustiniani 2, 35128, Padua, Italy.
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24
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Barbosa R, Guedes LC, Cattoni MB, Lobo PP, Caldas AC, Fabbri M, Bastos P, Valadas A, Carvalho H, Albuquerque L, Reimão S, Ferreira AG, Ferreira JJ, Rosa MM, Coelho M. Long-term follow-up of subthalamic nucleus deep brain stimulation in patients with Parkinson's disease: An analysis of survival and disability milestones. Parkinsonism Relat Disord 2024; 118:105921. [PMID: 37976978 DOI: 10.1016/j.parkreldis.2023.105921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/28/2023] [Accepted: 10/29/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Data on the long-term survival and incidence of disability milestones after subthalamic nucleus deep brain stimulation (STN-DBS) in Parkinson's disease (PD) is limited. OBJECTIVES To estimate mortality and assess the frequency/time-to-development of disability milestones (falls, freezing, hallucinations, dementia, and institutionalization) among PD patients post STN-DBS. METHODS A longitudinal retrospective study of patients undergoing STN-DBS. For mortality, Cox proportional hazards regression analysis was performed. For disease milestones, competing risk analyses were performed and cumulative incidence functions reported. The strength of association between baselines features and event occurrence was calculated based on adjusted hazard ratios. RESULTS The overall mortality for the 109 patients was 16 % (62.1 ± 21.3 months after surgery). Falls (73 %) and freezing (47 %) were both the earliest (40.4 ± 25.4 and 39.6 ± 28.4 months, respectively) and most frequent milestones. Dementia (34 %) and hallucinations (32 %) soon followed (56.2 ± 21.2 and mean 60.0 ± 20.7 months after surgery, respectively). Higher ADL scores in the OFF state and higher age at surgery were associated with falls, freezing, dementia and institutionalization. CONCLUSIONS Long-term mortality rate is low after STN-DBS. Disease milestones occur later during the disease course, with motor milestones appearing first and at a higher frequency than cognitive ones.
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Affiliation(s)
- Raquel Barbosa
- NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Campo dos Mártires da Pátria 130, 1169-056, Lisboa, Portugal; Neurology Department, Centre Hospitalier Universitaire Toulouse, place du Dr Baylac, TSA 40031, 31059, Toulouse, France; Department of Neurology, Hospital de Egas Moniz, Centro Hospitalar de Lisboa Ocidental, R. da Junqueira 126, 1349-019, Lisboa, Portugal.
| | - Leonor Correia Guedes
- Neurology Department, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Centro de Estudos Egas Moniz, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Maria Begoña Cattoni
- Service of Neurosurgery, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Patricia Pita Lobo
- Neurology Department, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Centro de Estudos Egas Moniz, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Ana Castro Caldas
- Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; CNS- Campus Neurológico, Bairro de Santo António 47, 2560-280, Torres Vedras, Portugal
| | - Margherita Fabbri
- Neurology Department, Centre Hospitalier Universitaire Toulouse, place du Dr Baylac, TSA 40031, 31059, Toulouse, France; Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Paulo Bastos
- NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Campo dos Mártires da Pátria 130, 1169-056, Lisboa, Portugal
| | - Anabela Valadas
- Neurology Department, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Centro de Estudos Egas Moniz, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Herculano Carvalho
- Service of Neurosurgery, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Luisa Albuquerque
- Neurology Department, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Laboratório de Estudos da Linguagem, Centro de Estudos Egas Moniz, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Sofia Reimão
- Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Department of Neurological Imaging, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Imaging University Clinic, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Laboratório de Farmacologia Clínica e Terapêutica, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - A Gonçalves Ferreira
- Service of Neurosurgery, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Neurosurgery University Clinic, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Joaquim J Ferreira
- Centro de Estudos Egas Moniz, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; CNS- Campus Neurológico, Bairro de Santo António 47, 2560-280, Torres Vedras, Portugal; Laboratório de Farmacologia Clínica e Terapêutica, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Mário Miguel Rosa
- Neurology Department, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Centro de Estudos Egas Moniz, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Laboratório de Farmacologia Clínica e Terapêutica, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Miguel Coelho
- Neurology Department, Department of Neurosciences and Mental Health, Hospital Santa Maria, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Centro de Estudos Egas Moniz, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal; Instituto de Medicina Molecular João Lobo Antunes, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
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25
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Contaldi E, Leogrande G, Fornaro R, Comi C, Magistrelli L. Menstrual-Related Fluctuations in a Juvenile-Onset Parkinson's Disease Patient Treated with STN-DBS: Correlation with Local Field Potentials. Mov Disord Clin Pract 2024; 11:101-104. [PMID: 38291836 PMCID: PMC10828624 DOI: 10.1002/mdc3.13931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/05/2023] [Accepted: 11/08/2023] [Indexed: 02/01/2024] Open
Affiliation(s)
- Elena Contaldi
- Movement Disorders Centre, Neurology Unit, Department of Translational MedicineUniversity of Piemonte OrientaleNovaraItaly
- Present address:
Parkinson InstituteASST G. Pini‐CTO, Via Emilio Bignami 120126MilanItaly
| | | | - Riccardo Fornaro
- Department of NeurosurgeryUniversity Hospital “Maggiore Della Carità”NovaraItaly
| | - Cristoforo Comi
- Neurology Unit, S. Andrea Hospital, Department of Translational MedicineUniversity of Piemonte OrientaleVercelliItaly
| | - Luca Magistrelli
- Movement Disorders Centre, Neurology Unit, Department of Translational MedicineUniversity of Piemonte OrientaleNovaraItaly
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Doshi PK, Baldia M, Mulroy E, Krauss JK, Bhatia K. Outcomes of Unilateral Pallidotomy in Focal and Hemidystonia Cases: A Single-Blind Cohort Study. Mov Disord Clin Pract 2024; 11:30-37. [PMID: 38291847 PMCID: PMC10828613 DOI: 10.1002/mdc3.13912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 10/08/2023] [Accepted: 10/10/2023] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND The role of deep brain stimulation in the treatment of dystonia has been widely documented. However, there is limited literature on the outcome of lesioning surgery in unilateral dystonia. OBJECTIVE We restrospectively reviewed our cases of focal and hemidystonia undergoing unilateral Pallidotomy at our institute to evaluate the short-term and long-term outcome. METHODS Patients who underwent radiofrequency lesioning of GPi for unilateral dystonia between 1999 and 2019 were retrospectively reviewed. All patients were evaluated using the Burke-Fahn-Marsden Dystonia Rating Scale (BFMDRS) and Dystonia Disability Scale (DDS) preoperatively at the short term follow-up (<1 year) and at long-term follow-up (2-7.5 years). Video recordings performed at these time points were independently reviewed by a blinded movement disorders specialist. RESULTS Eleven patients were included for analysis. The preoperative, short-term, and long-term follow-up motor BFMDRS and DDS scores were 15.5 (IQR [interquartile range]: 10.5, 23.75) and 10.5 (IQR: 6.0, 14.5); 3.0 (IQR: 1.0, 6.0, P = 0.02) and 3.0 (IQR: 3.0, 8.0, P = 0.016); and 14.25 (IQR: 4.0, 20.0, P = 0.20) and 10.5 (IQR: 2.0, 15.0, P = 0.71) respectively. For observers B, the BFMDRS scores at the same time points were 19 (IQR: 12.5, 27.0), 7.5 (IQR: 6.0, 15.0, P = 0.002), and 21 (IQR: 7.0, 22.0, P = 0.65) respectively. The improvement was statistically significant for all observations at short-term follow-up but not at long-term follow-up. CONCLUSION Pallidotomy is effective for hemidystonia or focal dystonia in the short term. Continued benefit was seen in the longer term in some patients, whereas others worsened. Larger studies may be able to explain this in future.
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Affiliation(s)
- Paresh K. Doshi
- Department of Stereotactic and Functional NeurosurgeryJaslok Hospital and Research CentreMumbaiIndia
| | - Manish Baldia
- Department of Stereotactic and Functional NeurosurgeryJaslok Hospital and Research CentreMumbaiIndia
| | - Eoin Mulroy
- Department of Clinical and Movement NeurosciencesUCL Queen Square Institute of NeurologyLondonUnited Kingdom
| | - Joachim K. Krauss
- Department of Neurosurgery, MHHHannover Medical SchoolHanoverGermany
| | - Kailash Bhatia
- Department of Clinical and Movement NeurosciencesUCL Queen Square Institute of NeurologyLondonUnited Kingdom
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Wang D, Lu Y, Han Y, Zhang X, Dong S, Zhang H, Wang G, Wang G, Wang JJ. The Influence of Etiology and Stimulation Target on the Outcome of Deep Brain Stimulation for Chronic Neuropathic Pain: A Systematic Review and Meta-Analysis. Neuromodulation 2024; 27:83-94. [PMID: 36697341 DOI: 10.1016/j.neurom.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 11/12/2022] [Accepted: 12/01/2022] [Indexed: 01/25/2023]
Abstract
OBJECTIVES Deep brain stimulation (DBS) to treat chronic neuropathic pain has shown variable outcomes. Variations in pain etiologies and DBS targets are considered the main contributing factors, which are, however, underexplored owing to a paucity of patient data in individual studies. An updated meta-analysis to quantitatively assess the influence of these factors on the outcome of DBS for chronic neuropathic pain is warranted, especially considering that the anterior cingulate cortex (ACC) has emerged recently as a new DBS target. MATERIALS AND METHODS A comprehensive literature review was performed in PubMed, Embase, and Cochrane data bases to identify studies reporting quantitative outcomes of DBS for chronic neuropathic pain. Pain and quality of life (QoL) outcomes, grouped by etiology and DBS target, were extracted and analyzed (α = 0.05). RESULTS Twenty-five studies were included for analysis. Patients with peripheral neuropathic pain (PNP) had a significantly greater initial stimulation success rate than did patients with central neuropathic pain (CNP). Both patients with CNP and patients with PNP with definitive implant, regardless of targets, gained significant follow-up pain reduction. Patients with PNP had greater long-term pain relief than did patients with CNP. Patients with CNP with ACC DBS gained less long-term pain relief than did those with conventional targets. Significant short-term QoL improvement was reported in selected patients with CNP after ACC DBS. However, selective reporting bias was expected, and the improvement decreased in the long term. CONCLUSIONS Although DBS to treat chronic neuropathic pain is generally effective, patients with PNP are the preferred population over patients with CNP. Current data suggest that ACC DBS deserves further investigation as a potential way to treat the affective component of chronic neuropathic pain.
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Affiliation(s)
- Dengyu Wang
- School of Medicine, Tsinghua University, Beijing, China; Institute for Precision Medicine, Tsinghua University, Beijing, China
| | - Yang Lu
- Institute for Precision Medicine, Tsinghua University, Beijing, China; Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yan Han
- School of Medicine, Tsinghua University, Beijing, China; Institute for Precision Medicine, Tsinghua University, Beijing, China
| | - Xiaolei Zhang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Sheng Dong
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Huifang Zhang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Guoqin Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Guihuai Wang
- Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - James Jin Wang
- Institute for Precision Medicine, Tsinghua University, Beijing, China; Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.
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Chen P, Xiong C, Jiang ML, Zhuang HX, Mei JM, Niu CS. [Analysis of complications and learning curve effects related to deep brain stimulation surgery in 822 Parkinson's disesase patients with the same surgeon]. Zhonghua Yi Xue Za Zhi 2023; 103:3822-3827. [PMID: 38123223 DOI: 10.3760/cma.j.cn112137-20231030-00945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Objective: To analyze the complications related to deep brain stimulation(DBS) surgery in Parkinson's disease(PD) patients and to determine whether there is a learning curve effect in terms of complications. Methods: Retrospective analysis of the DBS surgical data of 822 PD patients performed by the same surgeon at the First Affiliated Hospital of the University of Science and Technology of China (Anhui Provincial Hospital) from December 2012 to December 2022. The complications related to DBS were evaluated and analyzed the complications of every 100 DBS surgery were further analyzed. Results: A total of 822 PD patients, 453 males and 369 females, aged 31-80 years old, were included. The minimum follow-up period after DBS surgery is 6 months. Surgical related complications occurred in 55 patients (6.69%), including 5 patients (0.61%) with slight bleeding around the electrode, 1 patient (0.12%) with cerebral infarction, 4 patients (0.49%) with postoperative epilepsy, 42 patients (5.11%) with postoperative delirium, 2 patients (0.24%) with respiratory distress, and 1 patient (0.12%) with acute cardiac insufficiency. There were 16 cases (1.94%) of hardware related complications in DBS, of which 4 cases (0.48%) had infection, 1 case (0.12%) had a broken angle at the connection between the pulse generator and the extension wire, 8 cases (0.97%) had an excessively tight extension wire, and 3 cases (0.36%) had an IPG bag hematoma. In the infected cases, 2 patients removed IPG and extension wires. There were 7 cases (0.85%) of stimulus related complications, including 4 cases (0.61%) with programmed sensory abnormalities, 1 case (0.12%) with postoperative abnormal movements and dance like movements, and 2 cases (0.24%) with psychiatric symptoms. A comprehensive analysis was conducted on the above complications, among which 8 cases (0.97%) were relatively serious complications. After active treatment, satisfactory results were achieved, and none of them affected the patient's DBS treatment effect and no patients died. For every 100 cases of DBS surgery complications were analyzed, the percentage of complications decreased significantly from 14.50% (58 cases) in the first 400 cases to 4.73% (20 cases) in the last 400 cases (P<0.001). Conclusion: DBS surgery is safe and has an acceptable low incidence of complications. The incidence of complications also decreases with the accumulation of experience, showing a learning curve effect.
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Affiliation(s)
- P Chen
- Department of Neurosurgery, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Key Laboratory of Brain Function and Disease, Hefei 230001, China
| | - C Xiong
- Department of Neuroelectrophysiology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China
| | - M L Jiang
- Department of Neuroelectrophysiology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China
| | - H X Zhuang
- Department of Neurosurgery, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Key Laboratory of Brain Function and Disease, Hefei 230001, China
| | - J M Mei
- Department of Neurosurgery, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Key Laboratory of Brain Function and Disease, Hefei 230001, China
| | - C S Niu
- Department of Neurosurgery, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Key Laboratory of Brain Function and Disease, Hefei 230001, China
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van Kroonenburgh I, Tan SKH, Heiden P, Wirths J, Matis G, Seifert H, Visser-Vandewalle V, Andrade P. Incidence and Management of Hardware-Related Wound Infections in Spinal Cord, Peripheral Nerve Field, and Deep Brain Stimulation Surgery: A Single-Center Study. Stereotact Funct Neurosurg 2023; 102:13-23. [PMID: 38052193 DOI: 10.1159/000535054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 10/16/2023] [Indexed: 12/07/2023]
Abstract
INTRODUCTION Neuromodulation using deep brain stimulation (DBS), spinal cord stimulation (SCS), and peripheral nerve field stimulation (PNFS) to treat neurological, psychiatric, and pain disorders is a rapidly growing field. Infections related to the implanted hardware are among the most common complications and result in health-related and economic burden. Unfortunately, conservative medical therapy is less likely to be successful. In this retrospective study, we aimed to identify characteristics of the infections and investigated surgical and antimicrobial treatments. METHODS A retrospective analysis was performed of patients with an infection related to DBS, SCS, and/or PNFS hardware over an 8-year period at our institution. Data were analyzed for type of neurostimulator, time of onset of infection following the neurosurgical procedure, location, and surgical treatment strategy. Surgical treatment of infections consisted of either a surgical wound revision without hardware removal or a surgical wound revision with partial or complete hardware removal. Data were further analyzed for the microorganisms involved, antimicrobial treatment and its duration, and clinical outcome. RESULTS Over an 8-year period, a total of 1,250 DBS, 1,835 SCS, and 731 PNFS surgeries were performed including de novo system implantations, implanted pulse generator (IPG) replacements, and revisions. We identified 82 patients with infections related to the neurostimulator hardware, representing an incidence of 3.09% of the procedures. Seventy-one percent of the patients had undergone multiple surgeries related to the neurostimulator prior to the infection. The infections occurred after a mean of 12.2 months after the initial surgery. The site of infection was most commonly around the IPG, especially in DBS and SCS. The majority (62.2%) was treated by surgical wound revision with simultaneous partial or complete removal of hardware. Microbiological specimens predominantly yielded Staphylococcus epidermidis (39.0%) and Staphylococcus aureus (35.4%). After surgery, antimicrobials were given for a mean of 3.4 weeks. The antimicrobial regime was significantly shorter in patients with hardware removal in comparison to those who only had undergone surgical wound revision. One intracranial abscess occurred. No cases of infection-related death, sepsis, bacteremia, or intraspinal abscesses were found. CONCLUSION Our data did show the predominance of S. epidermidis and S. aureus as etiologic organisms in hardware-related infections. Infections associated with S. aureus most likely required (partial) hardware removal. Aggressive surgical treatment including hardware removal shortens the duration of antimicrobial treatment. Clear strategies should be developed to treat hardware-related infections to optimize patient management and reduce health- and economic-related burden.
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Affiliation(s)
- Ingeborg van Kroonenburgh
- Department of Stereotactic and Functional Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- Department of Craniomaxillofacial and Plastic Surgery, University of Cologne, Faculty of Medicine and University Hospital of Cologne, Cologne, Germany
| | - Sonny K H Tan
- Department of Neurosurgery, Antwerp University Hospital, Edegem, Belgium
| | - Petra Heiden
- Department of Stereotactic and Functional Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany,
- Department of Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany,
| | - Jochen Wirths
- Department of Stereotactic and Functional Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Georgios Matis
- Department of Stereotactic and Functional Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Harald Seifert
- Institute for Medical Microbiology, Immunology and Hygiene, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Veerle Visser-Vandewalle
- Department of Stereotactic and Functional Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Pablo Andrade
- Department of Stereotactic and Functional Neurosurgery, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
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30
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Hidding U, Lezius S, Schaper M, Buhmann C, Gerloff C, Pötter-Nerger M, Hamel W, Moll CKE, Choe CU. Combined Short-Pulse and Directional Deep Brain Stimulation of the Thalamic Ventral Intermediate Area for Essential Tremor. Neuromodulation 2023; 26:1680-1688. [PMID: 36369082 DOI: 10.1016/j.neurom.2022.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 08/30/2022] [Accepted: 09/20/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Novel deep brain stimulation (DBS) systems allow directional and short-pulse stimulation to potentially improve symptoms and reduce side effects. The aim of this study was to investigate the effect of short-pulse and directional stimulation, in addition to a combination of both, in the ventral intermediate thalamus (VIM)/posterior subthalamic area (PSA) on tremor and stimulation-induced side effects in patients with essential tremor. MATERIALS AND METHODS We recruited 11 patients with essential tremor and VIM/PSA-DBS. Tremor severity (Fahn-Tolosa-Marin), ataxia (International Cooperative Ataxia Rating Scale), and paresthesia (visual analog scale) were assessed with conventional omnidirectional and directional stimulation with pulse width of 60 μs and 30 μs. RESULTS All stimulation conditions reduced tremor. The best directional stimulation with 60 μs reduced more tremor than did most other stimulation settings. The best directional stimulation, regardless of pulse width, effectively reduced stimulation-induced ataxia compared with the conventional stimulation (ring 60 μs) or worst directional stimulation with 60 μs. All new stimulation modes reduced occurrence of paresthesia, but only the best directional stimulation with 30 μs attenuated paresthesia compared with the conventional stimulation (ring 60 μs) or worst directional stimulation with 60 μs. The best directional stimulation with 30 μs reduced tremor, ataxia, and paresthesia compared with conventional stimulation in most patients. Correlation analyses indicated that more anterior stimulation sites are associated with stronger ataxia reduction with directional 30 μs than with conventional 60 μs stimulation. CONCLUSION Directional and short-pulse stimulation, and a combination of both, revealed beneficial effects on stimulation-induced adverse effects.
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Affiliation(s)
- Ute Hidding
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
| | - Susanne Lezius
- Institute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Miriam Schaper
- Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Carsten Buhmann
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian Gerloff
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Monika Pötter-Nerger
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Wolfgang Hamel
- Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian K E Moll
- Department of Neurophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Chi-Un Choe
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Onder H, Kertmen H, Comoglu S. Dramatic improvement of a rare patient with PARK-14 linked young-onset parkinsonism after STN-DBS therapy. Neurol Sci 2023; 44:4541-4543. [PMID: 37644343 DOI: 10.1007/s10072-023-07027-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 08/18/2023] [Indexed: 08/31/2023]
Affiliation(s)
- Halil Onder
- Neurology Clinic, Etlik City Hospital, Varlık, Turkey.
| | - Hayri Kertmen
- Neurosurgery Clinic, Etlik City Hospital, Ankara, Turkey
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Torgerson LN, Munoz K, Kostick K, Zuk P, Blumenthal-Barby J, Storch EA, Lázaro-Muñoz G. Clinical and Psychosocial Factors Considered When Deciding Whether to Offer Deep Brain Stimulation for Childhood Dystonia. Neuromodulation 2023; 26:1646-1652. [PMID: 35088744 DOI: 10.1016/j.neurom.2021.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/20/2021] [Accepted: 10/11/2021] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Childhood dystonia is often nonresponsive to medications, and refractory cases are increasingly being treated with deep brain stimulation (DBS). However, many have noted that there is little consensus about when DBS should be offered, and there has been little examination of clinicians' decision-making process when determining whether to offer DBS for childhood dystonia. OBJECTIVES This study aimed to identify and examine the factors considered by pediatric movement disorder specialists before offering DBS. MATERIALS AND METHODS Semistructured interviews (N = 29) with pediatric dystonia clinicians were conducted, transcribed, and coded. Using thematic content analysis, nine central themes were identified when clinicians were asked about key factors, clinical factors, and psychosocial factors considered before offering pediatric DBS. RESULTS Clinicians identified nine main factors. Five of these were classified primarily as clinical factors: early intervention and younger age (raised by 86% of respondents), disease progression and symptom severity (83%), etiology and genetic status (79%), clinicians' perceived risks and benefits of DBS for the patient (79%), and exhaustion of other treatment options (55%). The remaining four were classified primarily as psychosocial factors: social and family support (raised by 97% of respondents), patient and caregiver expectations about outcomes and understanding of DBS treatment (90%), impact of dystonia on quality of life (69%), and financial resources and access to care (31%). CONCLUSIONS Candidacy determinations, in this context, are complicated by an interrelation of clinical and psychosocial factors that contribute to the decision. There is potential for bias when considering family support and quality of life. Uncertainty of outcomes related to the etiology of dystonia makes candidacy judgments challenging. More systematic examination of the characteristics and criteria used to identify pediatric patients with dystonia who can significantly benefit from DBS is necessary to develop clear guidelines and promote the well-being of these children.
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Affiliation(s)
- Laura N Torgerson
- Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX, USA
| | - Katrina Munoz
- Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX, USA
| | - Kristin Kostick
- Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX, USA
| | - Peter Zuk
- Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX, USA
| | | | - Eric A Storch
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA
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Wu B, Xu J, Zhang C, Ling Y, Yang C, Xuan R, Wang S, Guo Q, Zeng Z, Jiang N, Chen L, Liu J. The Effect of Surgical Positioning on Pneumocephalus in Subthalamic Nucleus Deep Brain Stimulation Surgery for Parkinson Disease. Neuromodulation 2023; 26:1714-1723. [PMID: 36272897 DOI: 10.1016/j.neurom.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/24/2022] [Accepted: 09/13/2022] [Indexed: 12/31/2022]
Abstract
OBJECTIVES This research analyzed the effect of surgical positioning on postoperative pneumocephalus and assessed additional potential risk factors of pneumocephalus in subthalamic nucleus (STN) deep brain stimulation (DBS) for Parkinson disease (PD). MATERIALS AND METHODS In this study, 255 consecutive patients with PD who received bilateral STN DBS under general anesthesia were retrospectively included. Of these, 180 patients underwent surgery with their heads in an elevated position, and 75 patients underwent surgery in a supine position. The postoperative pneumocephalus volume was compared between the two groups. Other potential risk factors for pneumocephalus also were analyzed. RESULTS The mean pneumocephalus volume for the group with elevated-head positioning (16.76 ± 15.23 cm3) was greater than for the supine group (3.25 ± 8.78 cm3) (p < 0.001). Multivariable analysis indicated that the pneumocephalus volume was related to surgical positioning, lateral trajectory angle, intraoperative mean arterial pressure (MAP), microelectrode recording (MER) passage number, brain atrophy degree, and the anterior trajectory angle. No correlation was found between pneumocephalus and age, sex, duration of PD, surgery length, or intracranial volume. In the subgroup analysis, the pneumocephalus volume exhibited a negative correlation with intraoperative MAP (r = -0.210, p = 0.005) and positive correlations with degree of brain atrophy (r = 0.242, p = 0.001) and MER passage number (r = 0.184, p = 0.014) in the elevated-head group. Specifically, an MER passage number > 3 was a significant risk factor for pneumocephalus in the elevated-head group. A positive correlation was observed between the pneumocephalus volume and the lateral trajectory angle in both groups (elevated-head positioning, r = 0.153, p = 0.041; supine positioning, r = 0.546, p < 0.001). CONCLUSIONS In patients with PD who were anesthetized and receiving STN DBS, supine positioning reduced pneumocephalus volume compared with patients with PD receiving STN DBS with their heads elevated. The pneumocephalus volume was negatively correlated with intraoperative MAP and positively correlated with the degree of brain atrophy, the lateral trajectory angle, and the MER passage number.
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Affiliation(s)
- Bin Wu
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China; Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Jiakun Xu
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Changming Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Yuting Ling
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Chao Yang
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Ruoheng Xuan
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Simin Wang
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Qianqian Guo
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Zixia Zeng
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Nan Jiang
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Ling Chen
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Jinlong Liu
- Department of Neurosurgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China.
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Ge Z. Clinical Perspective: EEG-Based Neuromodulation Technique for Epilepsy. Stud Health Technol Inform 2023; 308:590-596. [PMID: 38007788 DOI: 10.3233/shti230889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
Epilepsy is the most common brain disorder around the world. The main treatments of epilepsy are through drug treatment or epilepsy surgery. However, examples of EEG-based neuromodulation treatments, such as Vagus nerve stimulation (VNS), thalamic deep brain stimulation (DBS), and responsive neuro-stimulation (RNS), are also promising therapeutic methods nowadays. The aim of the paper is to recognize the effectiveness and potential risks of the three techniques. By carrying out randomized multicenter double-blind trials, this research studied the effectiveness of VNS, RNS, and DBS by measuring the median seizure reduction rate, rate of the responder, and proportion of seizure-free patients; the sudden unexpected death in epilepsy (SUDEP) of the treated patients; and the possible side effects that each treatment may cause. This review paper discusses the classification of epilepsy, common treatment methods for epilepsy, previous studies related to the three techniques, and data collected from the randomized multicenter double-blind trials. All in all, the result suggested that for short-term treatment, DBS may be the most effective method, but for long-term treatment, RNS may be more recommended. As the SUDEP rates for all three methods are lower than the SUDEP rate for epilepsy surgery, EEG-based neuromodulation techniques may become the main treatment for epilepsy in the future.
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Affiliation(s)
- Zhengqiu Ge
- Shanghai Qibao Dwight High School, Shanghai, 201100, China
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35
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Rissardo JP, Vora NM, Tariq I, Mujtaba A, Caprara ALF. Deep Brain Stimulation for the Management of Refractory Neurological Disorders: A Comprehensive Review. Medicina (Kaunas) 2023; 59:1991. [PMID: 38004040 PMCID: PMC10673515 DOI: 10.3390/medicina59111991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/04/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023]
Abstract
In recent decades, deep brain stimulation (DBS) has been extensively studied due to its reversibility and significantly fewer side effects. DBS is mainly a symptomatic therapy, but the stimulation of subcortical areas by DBS is believed to affect the cytoarchitecture of the brain, leading to adaptability and neurogenesis. The neurological disorders most commonly studied with DBS were Parkinson's disease, essential tremor, obsessive-compulsive disorder, and major depressive disorder. The most precise approach to evaluating the location of the leads still relies on the stimulus-induced side effects reported by the patients. Moreover, the adequate voltage and DBS current field could correlate with the patient's symptoms. Implantable pulse generators are the main parts of the DBS, and their main characteristics, such as rechargeable capability, magnetic resonance imaging (MRI) safety, and device size, should always be discussed with patients. The safety of MRI will depend on several parameters: the part of the body where the device is implanted, the part of the body scanned, and the MRI-tesla magnetic field. It is worth mentioning that drug-resistant individuals may have different pathophysiological explanations for their resistance to medications, which could affect the efficacy of DBS therapy. Therefore, this could explain the significant difference in the outcomes of studies with DBS in individuals with drug-resistant neurological conditions.
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Affiliation(s)
| | - Nilofar Murtaza Vora
- Medicine Department, Terna Speciality Hospital and Research Centre, Navi Mumbai 400706, India;
| | - Irra Tariq
- Medicine Department, United Medical & Dental College, Karachi 75600, Pakistan;
| | - Amna Mujtaba
- Medicine Department, Karachi Medical & Dental College, Karachi 74700, Pakistan;
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Servello D, Galbiati TF, Iess G, Minafra B, Porta M, Pacchetti C. Complications of deep brain stimulation in Parkinson's disease: a single-center experience of 517 consecutive cases. Acta Neurochir (Wien) 2023; 165:3385-3396. [PMID: 37773459 DOI: 10.1007/s00701-023-05799-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 09/03/2023] [Indexed: 10/01/2023]
Abstract
BACKGROUND The number of deep brain stimulation (DBS) procedures is rapidly rising as well as the novel indications. Reporting adverse events related to surgery and to the hardware used is essential to define the risk-to-benefit ratio and develop novel strategies to improve it. OBJECTIVE To analyze DBS complications (both procedure-related and hardware-related) and further assess potential predictive factors. METHODS Five hundred seventeen cases of DBS for Parkinson's disease were performed between 2006 and 2021 in a single center (mean follow-up: 4.68 ± 2.86 years). Spearman's Rho coefficient was calculated to search for a correlation between the occurrence of intracerebral hemorrhage (ICH) and the number of recording tracks. Multiple logistic regression analyzed the probability of developing seizures and ICH given potential risk factors. Kaplan-Meier curves were performed to analyze the cumulative proportions of hardware-related complications. RESULTS Mortality rate was 0.2%, while permanent morbidity 0.6%. 2.5% of cases suffered from ICH which were not influenced by the number of tracks used for recordings. 3.3% reported seizures that were significantly affected by perielectrode brain edema and age. The rate of perielectrode brain edema was significantly higher for Medtronic's leads compared to Boston Scientific's (Χ2(1)= 5.927, P= 0.015). 12.2% of implants reported Hardware-related complications, the most common of which were wound revisions (7.2%). Internal pulse generator models with smaller profiles displayed more favorable hardware-related complication survival curves compared to larger designs (X2(1)= 8.139, P= 0.004). CONCLUSION Overall DBS has to be considered a safe procedure, but future research is needed to decrease the rate of hardware-related complications which may be related to both the surgical technique and to the specific hardware's design. The increased incidence of perielectrode brain edema associated with certain lead models may likewise deserve future investigation.
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Affiliation(s)
- Domenico Servello
- Neurosurgical Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Lombardia, Italy
| | | | - Guglielmo Iess
- Neurosurgical Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Lombardia, Italy
| | - Brigida Minafra
- Parkinson's Disease and Movement Disorders Unit, IRCCS Mondino Foundation, Pavia, Italy
| | - Mauro Porta
- Neurosurgical Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Lombardia, Italy
| | - Claudio Pacchetti
- Parkinson's Disease and Movement Disorders Unit, IRCCS Mondino Foundation, Pavia, Italy
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Di Luca DG, Ramirez-Gomez C, Germann J, Santyr B, Boutet A, Milosevic L, Lang AE, Kalia SK, Lozano AM, Fasano A. Deep Brain Stimulation of the Globus Pallidus Internus and Externus in Multiple System Atrophy. Mov Disord 2023; 38:2121-2125. [PMID: 37544011 DOI: 10.1002/mds.29573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/17/2023] [Accepted: 07/20/2023] [Indexed: 08/08/2023] Open
Abstract
BACKGROUND Multiple system atrophy with parkinsonism (MSA-P) is a progressive condition with no effective treatment. OBJECTIVE The aim of this study was to describe the safety and efficacy of deep brain stimulation (DBS) of globus pallidus pars interna and externa in a cohort of patients with MSA-P. METHODS Six patients were included. Changes in Movement Disorders Society Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS III), Parkinson's Disease Questionnaire (PDQ-39) scores, and levodopa equivalent daily dose were compared before and after DBS. Electrode localization and volume tissue activation were calculated. RESULTS DBS surgery did not result in any major adverse events or intraoperative complications. Overall, no differences in MDS-UPDRS III scores were demonstrated (55.2 ± 17.6 preoperatively compared with 67.3 ± 19.2 at 1 year after surgery), although transient improvement in mobility and dyskinesia was reported in some subjects. CONCLUSIONS Globus pallidus pars interna and externa DBS for patients with MSA-P did not result in major complications, although it did not provide significant clinical benefit as measured by MDS-UPDRS III. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Daniel G Di Luca
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
- Division of Neurology, University of Toronto, Toronto, Ontario, Canada
- Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
- Department of Neurology, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Carolina Ramirez-Gomez
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
- Division of Neurology, University of Toronto, Toronto, Ontario, Canada
| | - Jurgen Germann
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Brendan Santyr
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Alexandre Boutet
- Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada
| | - Luka Milosevic
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Institute of Medical Sciences, University of Toronto, Toronto, Ontario, Canada
- Krembil Brain Institute, Toronto, Ontario, Canada
- Center for Advancing Neurotechnological Innovation to Application, Toronto, Ontario, Canada
| | - Anthony E Lang
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
- Krembil Brain Institute, Toronto, Ontario, Canada
| | - Suneil K Kalia
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- Krembil Brain Institute, Toronto, Ontario, Canada
- Center for Advancing Neurotechnological Innovation to Application, Toronto, Ontario, Canada
| | - Andres M Lozano
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- Krembil Brain Institute, Toronto, Ontario, Canada
- Center for Advancing Neurotechnological Innovation to Application, Toronto, Ontario, Canada
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada
- Division of Neurology, University of Toronto, Toronto, Ontario, Canada
- Krembil Brain Institute, Toronto, Ontario, Canada
- Center for Advancing Neurotechnological Innovation to Application, Toronto, Ontario, Canada
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Chagot C, Bustuchina Vlaicu M, Frismand S, Colnat-Coulbois S, Nguyen JP, Palfi S. Deep brain stimulation in multiple sclerosis-associated tremor. A large, retrospective, longitudinal open label study, with long-term follow-up. Mult Scler Relat Disord 2023; 79:104928. [PMID: 37657308 DOI: 10.1016/j.msard.2023.104928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 07/28/2023] [Accepted: 08/04/2023] [Indexed: 09/03/2023]
Abstract
BACKGROUND Tremor affects up to 25%-58% in multiple sclerosis (MS) population. Deep-brain stimulation (DBS) of the ventral-intermediate nucleus (VIM) of the thalamus is considered as a potential option following medical treatments. Long term DBS efficacy is not well known in these patients with a poor outcome mostly related to disease progression. OBJECTIVE To report a large and retrospective study of thalamic DBS in MS tremor. METHODS We conducted a large and retrospective study of patients with MS disabling and pharmacologically resistant upper limb tremor, who underwent thalamic DBS procedure from January 1992 to January 2015 in University Hospital of Henri Mondor, France. Demographic data, clinical assessment and activity daily living were collected. A three-month and twelve-month post-operative assessment with clinical and functional rating scales have been achieved, as well as long term follow-up for most patients. RESULTS One hundred and four patients underwent DBS procedure. There were 71 female (68%) and 33 male (32%). At three-month post-operative assessment, 64% patients were improved clinically and functionally. Among these, 93% of patients kept a good efficacy at one-year post-operative assessment. Mean duration of follow-up for these patients was 6 years. CONCLUSION We described a long-term sustained clinical and functional improvement in this large and retrospective report of thalamic DBS. This neuromodulation approach could be a therapeutic option for all severe upper extremity refractory tremor in MS patients.
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Affiliation(s)
- Claire Chagot
- University Hospital of Nancy, Department of Neurology, 29 av Mar De Lattre de Tassigny, 54000 NANCY, France
| | - Mihaela Bustuchina Vlaicu
- Pitié Salpêtrière Hospital, Department of Neurosurgery, 83 Boulevard de l'Hôpital, Bâtiment Babinski, 75013, Paris, France; INSERM (National Institute of Health and Medical Research), U0955, Translational Neuro Psychiatry team, Avenue de Maréchal de Lattre de Tassigny, 94000, Créteil, France.
| | - Solène Frismand
- University Hospital of Nancy, Department of Neurology, 29 av Mar De Lattre de Tassigny, 54000 NANCY, France
| | - Sophie Colnat-Coulbois
- University Hospital of Nancy, Department of Neurosurgery, 29 av Mar De Lattre de Tassigny, 54000 NANCY, France
| | - Jean Paul Nguyen
- Department of Neurosurgery, Clinique Brétéché, Groupe Elsan, 3 Rue De La Béraudiere, 44046 Nantes, France
| | - Stéphane Palfi
- INSERM (National Institute of Health and Medical Research), U0955, Translational Neuro Psychiatry team, Avenue de Maréchal de Lattre de Tassigny, 94000, Créteil, France; Henri-Mondor Hospital, University Hospital APHP, Department of Neurosurgery, 51 AV Mar de Lattre de Tassigny, 94000 Créteil, France
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Lee J, Chang KW, Jung HH, Kim D, Chang JW, Song DH. One-year outcomes of deep brain stimulation in refractory Tourette syndrome. Psychiatry Clin Neurosci 2023; 77:605-612. [PMID: 37565663 DOI: 10.1111/pcn.13584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 07/31/2023] [Accepted: 08/07/2023] [Indexed: 08/12/2023]
Abstract
AIM Deep brain stimulation (DBS) is one option for treating refractory Tourette syndrome (TS); however, it remains unclear which preoperative factors are predictive of DBS outcomes. This study investigated the efficacy of DBS targeting the anteromedial globus pallidus internus and evaluated predisposing factors affecting the outcomes of DBS in a single center in Korea. METHOD Twenty patients who had undergone DBS for refractory TS were reviewed retrospectively. Tic symptoms were followed up at 3-month intervals for up to 1 year after surgery. The Yale Global Tic Severity Scale was used to evaluate preoperative/postoperative tic symptoms. Scores from the Yale-Brown Obsessive Compulsive Scale, Beck Depression Inventory-II, and Beck Anxiety Inventory were also evaluated. RESULTS Patients with refractory TS achieved improvement in tic symptoms within 1 year after DBS. Initial responders who achieved a 35% reduction in Yale Global Tic Severity Scale total score within the first 3 months after DBS showed larger treatment effects during 1-year follow-up. Although no clinical or demographic factors were predictive of initial responses, patients with serious self-injurious behaviors tended to show delayed responses. CONCLUSION This is the first study to our knowledge to report the DBS outcomes of 20 patients with TS in a single center in Asia. Our study supports the efficacy of DBS targeting anteromedial globus pallidus internus in refractory TS with no evident serious adverse events. Initial responses after DBS seem to be a predictor of long-term outcomes after surgery.
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Affiliation(s)
- Junghan Lee
- Department of Psychiatry and Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyung Won Chang
- Brain Research Institute, Department of Neurosurgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyun Ho Jung
- Brain Research Institute, Department of Neurosurgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Dre Kim
- Iian Psychiatric Clinic, Sejong, Republic of Korea
| | - Jin Woo Chang
- Brain Research Institute, Department of Neurosurgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Dong-Ho Song
- Department of Psychiatry and Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
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Dharnipragada R, Denduluri LS, Naik A, Bertogliat M, Awad M, Ikramuddin S, Park MC. Frequency settings of subthalamic nucleus DBS for Parkinson's disease: A systematic review and network meta-analysis. Parkinsonism Relat Disord 2023; 116:105809. [PMID: 37604755 DOI: 10.1016/j.parkreldis.2023.105809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 08/13/2023] [Indexed: 08/23/2023]
Abstract
INTRODUCTION Deep Brain Stimulation (DBS) is an effective treatment for the motor symptoms of Parkinson's Disease. The targeted physiological structure for lead location is commonly the subthalamic nucleus (STN). The efficacy of DBS for improving motor symptoms is assessed via the Unified Parkinson's Disease Rating III Scale (UPDRS-III). In this study, we sought to compare the efficacy of frequency settings utilized for STN-DBS. METHODS Following PRISMA Guidelines, a search on PUBMED and MEDLINE was performed to include full-length randomized controlled trials evaluating STN-DBS. The frequency stimulation parameters and Unified Parkinson's Disease Rating Scale (UPDRS-III) outcomes were extracted in the search. High-frequency stimulation (HFS) was defined as ≥100 Hz and low-frequency stimulation (LFS) was defined as <100 Hz. A frequentist network meta-analysis was performed with odds ratios (OR) and pooling performed using the Mantel-Haenszel method. Statistics are presented as OR [95% CI]. RESULTS 15 studies consisting of 298 patients were included for analysis. Bilateral HFS -0.68 [-0.89; -0.46] was associated with better UPDRS-III scores compared to bilateral LFS. On the other hand, bilateral LFS with medications (MEDS) was favored over HFS with MEDS (-0.28 [-0.63; 0.07]). Bilateral LFS and MEDS, HFS and MEDS, stimulation (STIM) OFF MEDS ON, HFS, LFS, STIM OFF MEDS OFF UPDRS outcomes were ranked from best to worst outcomes. DISCUSSION The outcomes of this study suggest that bilateral HFS has better utility for those with no response to medication, while LFS has additive benefits to medication by improving unique symptoms via different neurophysiological mechanisms.
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Affiliation(s)
- Rajiv Dharnipragada
- University of Minnesota Medical School, University of Minnesota Twin-Cities, Minneapolis, MN, 55455, USA.
| | - Lalitha S Denduluri
- College of Liberal Arts, University of Minnesota Twin-Cities, Minneapolis, MN, 55455, USA
| | - Anant Naik
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL, 61801, USA
| | - Mario Bertogliat
- University of Minnesota Medical School, University of Minnesota Twin-Cities, Minneapolis, MN, 55455, USA
| | - Matthew Awad
- University of Minnesota Medical School, University of Minnesota Twin-Cities, Minneapolis, MN, 55455, USA
| | - Salman Ikramuddin
- Department of Neurology, University of Minnesota Twin-Cities, Minneapolis, MN, 55455, USA
| | - Michael C Park
- Department of Neurology, University of Minnesota Twin-Cities, Minneapolis, MN, 55455, USA; Department of Neurosurgery, University of Minnesota Twin-Cities, Minneapolis, MN, 55455, USA
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El Otmani H, El Moutawakil B, Daghi M, Fadili O, Slassi I, El Azhari A, Essodegui F, Barrou L, Rafai MA, Lakhdar A. Deep Brain Stimulation for Dystonia: Experience of a Moroccan University Hospital. Pediatr Neurol 2023; 148:23-27. [PMID: 37651973 DOI: 10.1016/j.pediatrneurol.2023.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 07/17/2023] [Accepted: 08/02/2023] [Indexed: 09/02/2023]
Abstract
BACKGROUND Deep brain stimulation (DBS) is a well-established procedure that provides long-term symptom control of the third most common movement disorder: dystonia. In this study, we aim to report the experience of Ibn Rochd University Hospital in the treatment of dystonia using DBS of the globus pallidus internus, which represents an exceptional challenge for a developing country such as Morocco. METHODS Since 2013, we selected five eligible candidates for DBS surgery at the university hospital Ibn Rochd. A genetic assessment had been performed in four cases. Their motor and mental states were prospectively monitored using several validated scales, including Burke-Fahn-Marsden Dystonia Rating Scale, Mini Mental State Examination, 36-Item Short Form Survey, and Zarit scale. RESULTS Our sample had two clinical phenotypes of dystonia: isolated dystonia (in two patients) and combined dystonia (in three patients). Patients were aged 14 to 32 years, and their mean onset age ranged from 7 to 13 years with a mean progression duration of 9 years. Our results indicate successful treatment of patients with dystonia using DBS. Scores from the Burke-Fahn-Marsden Dystonia Rating Scale confirm improvements ranging from 40% to 95%. However, some potentially surgery-related complications could occur such as lead infection, which, in our experience, was reported in one case. CONCLUSION The experience of the university hospital Ibn Rochd regarding the use of DBS in treating dystonia was largely positive. However, the procedure faces challenges due to its complexity, specifically concerning its multidisciplinary nature, its genetic test costs, and the reluctance of pediatricians to get involved.
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Affiliation(s)
- Hicham El Otmani
- Neurology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco; Laboratory of Genetics and Molecular Pathology, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco.
| | - Bouchra El Moutawakil
- Neurology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco; Laboratory of Genetics and Molecular Pathology, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco
| | - Mohamed Daghi
- Research Laboratory of Nervous System Diseases, Neurosensory Disorders & Disability, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco
| | - Omar Fadili
- Neurology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Ilham Slassi
- Neurology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Abdessamad El Azhari
- Neurosurgery Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Fatiha Essodegui
- Radiology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Lahoucine Barrou
- Anesthesia and Critical Care Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Mohammed Abdoh Rafai
- Neurology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco; Research Laboratory of Nervous System Diseases, Neurosensory Disorders & Disability, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco
| | - Abdelhakim Lakhdar
- Research Laboratory of Nervous System Diseases, Neurosensory Disorders & Disability, Faculty of Medicine and Pharmacy, Hassan II University of Casablanca, Casablanca, Morocco; Neurosurgery Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
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Matsuura K, Ii Y, Maeda M, Tabei K, Satoh M, Umino M, Kajikawa H, Araki T, Nakamura N, Matsuyama H, Shindo A, Tomimoto H. Pulvinar quantitative susceptibility mapping predicts visual hallucinations post-deep brain stimulation in Parkinson's disease. Brain Behav 2023; 13:e3263. [PMID: 37743594 PMCID: PMC10636381 DOI: 10.1002/brb3.3263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 09/26/2023] Open
Abstract
PURPOSE We have reported the relationship between low pulvinar nuclei (PN) intensity in susceptibility-weighted imaging and the appearance of visual hallucinations and cognitive function. The aim of the study was to examine the changes in the quantitative susceptibility mapping (QSM) in patients with Parkinson's disease (PD) who underwent deep brain stimulation (DBS) and verify whether the PN susceptibility value (SV) on QSM can predict visual hallucination and cognitive changes after DBS. METHODS This study examined 24 patients with PD who underwent DBS along with QSM imaging on magnetic resonance imaging (MRI). All MRIs were performed within 3 months before surgery. The PN SV was further assessed based on the QSM. Then, associations were examined among cognitive changes, hallucination, and PN SV. The cognitive function of the patient was compared immediately before surgery and at 1 year postoperatively. RESULTS Visual hallucinations were observed in seven patients during the follow-up period. The PN SV was ≥0.045 ppm in nine patients with PD, and six of them had visual hallucinations, whereas only one of 15 patients with PD with SV of <0.045 ppm had visual hallucinations (Fisher's exact test, p = .0037). CONCLUSIONS The SV of >0.045 ppm at the PN in QSM in patients with PD may provide useful information suggesting visual hallucination and cognitive deterioration after DBS treatment.
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Affiliation(s)
- Keita Matsuura
- Department of Neurology, Graduate School of MedicineMie UniversityMieJapan
| | - Yuichiro Ii
- Department of Neuroimaging and PathophysiologyMie University School of MedicineMieJapan
| | - Masayuki Maeda
- Department of Neuroradiology, Graduate School of MedicineMie UniversityMieJapan
| | - Ken‐ichi Tabei
- School of Industrial Technology, Advanced Institute of Industrial TechnologyTokyo Metropolitan Public University CorporationTokyoJapan
| | - Masayuki Satoh
- Department of Dementia and Neuropsychology, Advanced Institute of Industrial TechnologyTokyo Metropolitan Public University CorporationTokyoJapan
| | - Maki Umino
- Department of Radiology, Graduate School of MedicineMie UniversityMieJapan
| | | | | | - Naoko Nakamura
- Department of Neurology, Graduate School of MedicineMie UniversityMieJapan
| | - Hirofumi Matsuyama
- Department of Neurology, Graduate School of MedicineMie UniversityMieJapan
| | - Akihiro Shindo
- Department of Neurology, Graduate School of MedicineMie UniversityMieJapan
| | - Hidekazu Tomimoto
- Department of Neurology, Graduate School of MedicineMie UniversityMieJapan
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Giordano M, Innocenti N, Rizzi M, Rinaldo S, Nazzi V, Eleopra R, Levi V. Incidence and management of idiopathic peri-lead edema (IPLE) following deep brain stimulation (DBS) surgery: Case series and review of the literature. Clin Neurol Neurosurg 2023; 234:108009. [PMID: 37857234 DOI: 10.1016/j.clineuro.2023.108009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/30/2023] [Accepted: 10/05/2023] [Indexed: 10/21/2023]
Abstract
OBJECTIVE Idiopathic peri-lead edema (IPLE) is being increasingly described as a potential complication occurring after DBS surgery. Its incidence and relationship to post-operative symptoms, though, are still poorly defined and its understanding and management yet limited. METHODS We reviewed delayed (≥ 72 h) post-operative CT imaging of patients who underwent DBS surgery at our Institution. A comparison of clinical and laboratory findings was carried out between patients with IPLE and controls. RESULTS 61 patients, accounting for 115 electrodes, were included. Incidence of IPLE was 37.7 % per patient and 29.5 % per electrode. Patients with IPLE were significantly older than controls (52.82 ± 15.65 years vs 44.73 ± 18.82 years, p = 0.04). There was no difference in incidence of new-onset neurological symptoms between patients with IPLE and controls. Longer operative time (180.65 ± 34.30 min vs 158.34 ± 49.28 min, p = 0.06) and a greater number of MERs per electrode were associated with IPLE (3.37 ± 1.21 vs 3.00 ± 1.63, p = 0.089), though these comparisons did not meet the statistical significance. None of the patients with IPLE underwent hardware removal, with IPLE vanishing spontaneously over months. CONCLUSIONS IPLE is an underestimated, benign event that may occur after DBS surgery. Age, longer operative time and MER use may represent risk factors for IPLE formation, but further studies are needed. The presence of post-operative neurological symptoms and fever was not associated with IPLE presence, highlighting its benign nature and suggesting that empiric treatment may not be always justified.
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Affiliation(s)
- Martina Giordano
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
| | - Niccolò Innocenti
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Michele Rizzi
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Sara Rinaldo
- Parkinson and Movement Disorders Unit, Department of Clinical Neurosciences, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Vittoria Nazzi
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Roberto Eleopra
- Parkinson and Movement Disorders Unit, Department of Clinical Neurosciences, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Vincenzo Levi
- Functional Neurosurgery Unit, Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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Eisenstein A, Bosch C, Bruger B. H - 57 Case Study: Chinese Older Adult with Parkinson Disease and Visual Impairment Presenting for Pre-Deep Brain Stimulation Evaluation. Arch Clin Neuropsychol 2023; 38:1541. [PMID: 37807559 DOI: 10.1093/arclin/acad067.375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023] Open
Abstract
OBJECTIVE We present a case in which intersecting linguistic and disability factors necessitated a flexible, qualitative approach to clinical decision making in the context of pre-deep brain stimulation (DBS) evaluation. METHOD LZ is a 70-year-old, right-handed, cisgender, Chinese male with history of Parkinson disease (PD) presenting for DBS evaluation. Symptoms included right extremity tremor with decreased effectiveness from dopamine therapy. Cognitive, behavioral, personality, or functional changes were denied. He had severe visual impairment due to macular degeneration and cataracts. LZ immigrated to the U.S. 30 years prior and obtained a Ph.D. in Law. His English was not at the level of native speaker, but he declined use of an interpreter. Nevertheless, English proficiency was adequate to conduct testing. RESULTS LZ's premorbid functioning was estimated as average. Scores on attention/working memory and verbal fluency were intact. Processing speed and auditory naming were below average. Memory performance was characterized by inefficient learning and intact recall. Executive functions were variable in verbal set switching and motor sequencing was intact. CONCLUSION Typically, such a case with language/cultural differences would rely on more visuospatial than verbal tests; however, visual impairment necessitated reliance on verbal tests only. It was determined that variability of performances and low scores on naming were more likely attributable to language/cultural factors, and LZ was therefore deemed a good candidate for DBS surgery based on multiple intact cognitive abilities and strong social support. LZ received left subthalamic nucleus DBS. There was initial hemorrhagic complication during electrode placement resulting in language loss, which he recovered after five weeks.
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Ferguson HD, Coolbrith N, Krengel M, Bennett K, Lawson J, Ciccone KJ, Hohler AD, Piryatinsky I. A - 88 Parkinson's Disease and Deep Brain Stimulation (DBS) Device Settings: Effects of Amplitude, Pulse Width, and Frequency on Cognitive Performance. Arch Clin Neuropsychol 2023; 38:1253. [PMID: 37807203 DOI: 10.1093/arclin/acad067.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023] Open
Abstract
OBJECTIVE Frontal systems decline after DBS for Parkinson's disease has been consistently reported, with high frequency settings (>130 Hz) correlating with decreased executive functioning and verbal fluency. The present study replicates and expands upon these findings. METHOD Six DBS recipients underwent standardized pre/post-surgical neuropsychological testing. Two-tailed T-tests assessed changes in cognitive scores. Correlational analyses explored relationships between cognitive scores and UPDRS, H&Y, and stimulator settings (amplitude, pulse width, and frequency). RESULTS All participants underwent bilateral STN stimulation. Pre/post averages were: UPDRS (43.0 and 26.2) and H&Y (2.7 and 2.3) with average stimulator settings of amplitude (2.7 V), pulse width (60.8 μs), and frequency (151.7 Hz). Pre/post neuropsychological testing revealed significant decline on the Behavioral Dyscontrol Scale (p = <0.01) with an average raw score decline of 3.17 points. All other cognitive scores showed non-significant improvement (p-value range = 0.22-0.89). H&Y change significantly correlated with semantic fluency (r = 0.96). UPDRS change significantly correlated with motoric processing speed (r = 0.91), semantic fluency (r = -0.93), and confrontation naming (r = -0.86). Stimulator amplitude significantly correlated with auditory attention (r = 0.82); simple planning (r = 0.96); and verbal memory (r = -0.86). Stimulator frequency significantly correlated with auditory attention (r = 0.87), simple planning (r = 0.97), and verbal memory (r = -0.96). Simulator pulse width was not significant. CONCLUSION The study examines effects of bilateral STN stimulation on cognitive outcomes in patients with PD. A significant improvement in motor function was accompanied by a significant decline in performance on upper motor bilateral dexterity and inhibition. Correlation analysis shows the relationship between changes in cognition and motor function, as well as the correlation between stimulator settings and specific cognitive functions.
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Odorfer TM, Volkmann J. Deep Brain Stimulation for Focal or Segmental Craniocervical Dystonia in Patients Who Have Failed Botulinum Neurotoxin Therapy-A Narrative Review of the Literature. Toxins (Basel) 2023; 15:606. [PMID: 37888637 PMCID: PMC10611146 DOI: 10.3390/toxins15100606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/07/2023] [Accepted: 10/08/2023] [Indexed: 10/28/2023] Open
Abstract
(1) Background: The first-line treatment for patients with focal or segmental dystonia with a craniocervical distribution is still the intramuscular injection of botulinum neurotoxin (BoNT). However, some patients experience primary or secondary treatment failure from this potential immunogenic therapy. Deep brain stimulation (DBS) may then be used as a backup strategy in this situation. (2) Methods: Here, we reviewed the current study literature to answer a specific question regarding the efficacy and safety of the use of DBS, particularly for cervical dystonia (CD) and Meige syndrome (MS) in patients with documented treatment failure under BoNT. (3) Results: There are only two studies with the highest level of evidence in this area. Despite this clear limitation, in the context of the narrowly defined research question of this paper, it is possible to report 161 patients with CD or MS who were included in studies that were able to show a statistically significant reduction in dystonic symptoms using DBS. Safety and tolerability data appeared adequate. However, much of the information is based on retrospective observations. (4) Conclusions: The evidence base in this area is in need of further scientific investigation. Most importantly, more randomized, controlled and double-blind trials are needed, possibly including a head-to-head comparison of DBS and BoNT.
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Affiliation(s)
- Thorsten M. Odorfer
- Department of Neurology, University Hospital Würzburg, Josef-Schneider-Str. 11, 97080 Würzburg, Germany
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Morishita T, Sakai Y, Iida H, Yoshimura S, Fujioka S, Oda K, Tanaka SC, Abe H. Precision Mapping of Thalamic Deep Brain Stimulation Lead Positions Associated With the Microlesion Effect in Tourette Syndrome. Neurosurgery 2023; 93:875-883. [PMID: 37057914 PMCID: PMC10476847 DOI: 10.1227/neu.0000000000002484] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 02/10/2023] [Indexed: 04/15/2023] Open
Abstract
BACKGROUND The microlesion effect refers to the improvement of clinical symptoms after deep brain stimulation (DBS) lead placement and is suggested to indicate optimal lead placement. Very few studies have reported its implications in neuropsychiatric disorders. OBJECTIVE To evaluate the magnitude of the microlesion effect in Tourette syndrome and the relationship between the microlesion effect and the anatomic location of implanted DBS leads. METHODS Six male patients were included. Their median age at surgery and follow-up period were 25 years (range, 18-47) and 12 months (range, 6-24), respectively. All patients were videotaped pre- and postoperatively, and tic frequencies were counted. We also analyzed the precision of lead placement and evaluated the normative connectome associated with the microlesion area. RESULTS The microlesion effect was observed as an improvement in tic symptoms in all patients, and the long-term clinical outcomes were favorable. The median motor tic frequency was 20.2 tics/min (range, 9.7-60) at baseline and decreased to 3.2 tics/min (1.2-11.3) in patients on postoperative day 1 ( P = .043) and to 5.7 tics/min (range, 1.9-16.6) in patients on postoperative day 7 ( P = .028). Phonic tic tended to improve immediately after surgery although the changes were not significant. Image analyses revealed that the precise position of the electrode was directed toward the anteromedial centromedian nucleus. Normative connectome analysis demonstrated connections between improvement-related areas and wide areas of the prefrontal cortex. CONCLUSION This study shows that the microlesion effect may seem as an immediate improvement after optimal DBS lead placement in patients with Tourette syndrome.
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Affiliation(s)
- Takashi Morishita
- Department of Neurosurgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Yuki Sakai
- ATR Brain Information Communication Research Laboratory Group, Kyoto, Japan
| | - Hitoshi Iida
- Department of Psychiatry, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Saki Yoshimura
- Department of Neurosurgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Shinsuke Fujioka
- Department of Neurology, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Kazunori Oda
- Department of Neurosurgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Saori C. Tanaka
- ATR Brain Information Communication Research Laboratory Group, Kyoto, Japan
- Division of Information Science, Nara Institute of Science and Technology, Nara, Japan
| | - Hiroshi Abe
- Department of Neurosurgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan
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Chua MMJ, Vissani M, Liu DD, Schaper FLWVJ, Warren AEL, Caston R, Dworetzky BA, Bubrick EJ, Sarkis RA, Cosgrove GR, Rolston JD. Initial case series of a novel sensing deep brain stimulation device in drug-resistant epilepsy and consistent identification of alpha/beta oscillatory activity: A feasibility study. Epilepsia 2023; 64:2586-2603. [PMID: 37483140 DOI: 10.1111/epi.17722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 07/18/2023] [Accepted: 07/18/2023] [Indexed: 07/25/2023]
Abstract
OBJECTIVE Here, we report a retrospective, single-center experience with a novel deep brain stimulation (DBS) device capable of chronic local field potential (LFP) recording in drug-resistant epilepsy (DRE) and explore potential electrophysiological biomarkers that may aid DBS programming and outcome tracking. METHODS Five patients with DRE underwent thalamic DBS, targeting either the bilateral anterior (n = 3) or centromedian (n = 2) nuclei. Postoperative electrode lead localizations were visualized in Lead-DBS software. Local field potentials recorded over 12-18 months were tracked, and changes in power were associated with patient events, medication changes, and stimulation. We utilized a combination of lead localization, in-clinic broadband LFP recordings, real-time LFP response to stimulation, and chronic recordings to guide DBS programming. RESULTS Four patients (80%) experienced a >50% reduction in seizure frequency, whereas one patient had no significant reduction. Peaks in the alpha and/or beta frequency range were observed in the thalamic LFPs of each patient. Stimulation suppressed these LFP peaks in a dose-dependent manner. Chronic timeline data identified changes in LFP amplitude associated with stimulation, seizure occurrences, and medication changes. We also noticed a circadian pattern of LFP amplitudes in all patients. Button-presses during seizure events via a mobile application served as a digital seizure diary and were associated with elevations in LFP power. SIGNIFICANCE We describe an initial cohort of patients with DRE utilizing a novel sensing DBS device to characterize potential LFP biomarkers of epilepsy that may be associated with seizure control after DBS in DRE. We also present a new workflow utilizing the Percept device that may optimize DBS programming using real-time and chronic LFP recording.
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Affiliation(s)
- Melissa M J Chua
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Matteo Vissani
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - David D Liu
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Frederic L W V J Schaper
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Aaron E L Warren
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Rose Caston
- Department of Biomedical Engineering, University of Utah, Salt Lake City, Utah, USA
- Department of Neurosurgery, University of Utah, Salt Lake City, Utah, USA
| | - Barbara A Dworetzky
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ellen J Bubrick
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Rani A Sarkis
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - G Rees Cosgrove
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - John D Rolston
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Biomedical Engineering, University of Utah, Salt Lake City, Utah, USA
- Department of Neurosurgery, University of Utah, Salt Lake City, Utah, USA
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Yang Y, He Q, Dang Y, Xia X, Xu X, Chen X, Zhao J, He J. Long-term functional outcomes improved with deep brain stimulation in patients with disorders of consciousness. Stroke Vasc Neurol 2023; 8:368-378. [PMID: 36882201 PMCID: PMC10647871 DOI: 10.1136/svn-2022-001998] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 01/26/2023] [Indexed: 03/09/2023] Open
Abstract
BACKGROUND Deep brain stimulation (DBS) has been preliminarily applied to treat patients with disorders of consciousness (DoCs). The study aimed to determine whether DBS was effective for treating patients with DoC and identify factors related to patients' outcomes. METHODS Data from 365 patients with DoCs who were consecutively admitted from 15 July 2011 to 31 December 2021 were retrospectively analysed. Multivariate regression and subgroup analysis were performed to adjust for potential confounders. The primary outcome was improvement in consciousness at 1 year. RESULTS An overall improvement in consciousness at 1 year was achieved in 32.4% (12/37) of the DBS group compared with 4.3% (14/328) of the conservative group. After full adjustment, DBS significantly improved consciousness at 1 year (adjusted OR 11.90, 95% CI 3.65-38.46, p<0.001). There was a significant treatment×follow up interaction (H=14.99, p<0.001). DBS had significantly better effects in patients with minimally conscious state (MCS) compared with patients with vegetative state/unresponsive wakefulness syndrome (p for interaction <0.001). A nomogram based on age, state of consciousness, pathogeny and duration of DoCs indicated excellent predictive performance (c-index=0.882). CONCLUSIONS DBS was associated with better outcomes in patients with DoC, and the effect was likely to be significantly greater in patients with MCS. DBS should be cautiously evaluated by nomogram preoperatively, and randomised controlled trials are still needed.
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Affiliation(s)
- Yi Yang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Translational Medicine Center, Chinese Institute for Brain Research, Beijing, China
- Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Qiheng He
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yuanyuan Dang
- Department of Neurosurgery, PLA General Hospital, Beijing, China
| | - Xiaoyu Xia
- Department of Neurosurgery, PLA General Hospital, Beijing, China
| | - Xin Xu
- Department of Neurosurgery, PLA General Hospital, Beijing, China
| | - Xueling Chen
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jizong Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Academician Office, China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Jianghong He
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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Shen J, Marsili L, Dwivedi AK, Kuhlman G, Duker AP, Espay AJ, Mahajan A. Does Head Tremor Predict Postural Instability After Bilateral Thalamic Stimulation in Essential Tremor? Cerebellum 2023; 22:1039-1044. [PMID: 36083463 DOI: 10.1007/s12311-022-01477-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
Essential tremor (ET) may present with head tremor (HT), of presumed cerebellar nature. Deep brain stimulation (DBS) targeting the ventral intermediate (Vim) nucleus of the thalamus is a highly effective therapy for medication-refractory ET. However, stimulation-related side effects may include cerebellar abnormalities, such as postural instability. This retrospective cohort study evaluated the risk of post-Vim DBS postural instability (primary outcome measure) in patients with versus without head tremor (HT vs. nHT). The primary outcome measure, namely post-DBS postural instability, was assessed in both groups using a Wilcoxon rank sum t-test. The time to postural instability was determined using Cox proportional hazards regression analysis adjusted for age and sex. Out of 30 patients analyzed during the follow up period, there was similar postural instability detected in HT (9/14, 64%) and nHT patients (11/16, 69%) at 24 months post-Vim DBS (p=0.82), adjusted hazard ratio[aHR]=0.82, p=0.69). These data suggest that the presence or absence of HT does not have an impact on postural instability after bilateral Vim DBS in patients with ET.
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Affiliation(s)
- Jack Shen
- Department of Neurology and Rehabilitation Medicine, Gardner Family Center for Parkinson's Disease and Movement Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Luca Marsili
- Department of Neurology and Rehabilitation Medicine, Gardner Family Center for Parkinson's Disease and Movement Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Alok K Dwivedi
- Division of Biostatistics and Epidemiology, Department of Molecular and Translational Medicine, Texas Tech University Health Sciences Center, El Paso, TX, USA
| | - Gregory Kuhlman
- Department of Neurology and Rehabilitation Medicine, Gardner Family Center for Parkinson's Disease and Movement Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Andrew P Duker
- Department of Neurology and Rehabilitation Medicine, Gardner Family Center for Parkinson's Disease and Movement Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Alberto J Espay
- Department of Neurology and Rehabilitation Medicine, Gardner Family Center for Parkinson's Disease and Movement Disorders, University of Cincinnati, Cincinnati, OH, USA
| | - Abhimanyu Mahajan
- Rush Parkinson's Disease and Movement Disorders Program, Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA.
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