{"title":"Issue Information – TOC","authors":"","doi":"10.1002/ana.27086","DOIUrl":"https://doi.org/10.1002/ana.27086","url":null,"abstract":"","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":"96 S33","pages":"i-iii"},"PeriodicalIF":8.1,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ana.27086","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142664608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ameer E Hassan, Michael G Abraham, Spiros Blackburn, Muhammad S Hussain, Santiago Ortega-Gutierrez, Michael Chen, Yin C Hu, Deep K Pujara, Nabeel A Herial, Jenny P Tsai, Ronald F Budzik, Nathan W Manning, Osman Kozak, Ricardo A Hanel, Amin N Aghaebrahim, Chirag D Gandhi, Fawaz Al-Mufti, Andrew Cheung, Bernard Yan, Peter Mitchell, Jordi Blasco, Luis San Román Manzanera, Nirav Vora, Daniel Gibson, Adam Wallace, Daniel Sahlein, Lucas Elijovich, Juan F Arenillas, Teddy Y Wu, Pere Cardona Portela, Natalia Pérez de la Ossa, Joanna D Schaafsma, William J Hicks, Dennis J Cordato, Navdeep Sangha, Steven Warach, Timothy J Kleinig, Faris Shaker, Hannah Johns, Wondwossen Tekle, Mark J Dannenbaum, Koji Ebersole, Gabor Toth, Michael Gooch, Abdulnasser Alhajeri, Krishna Amuluru, Abhishek Ray, Jan-Karl Burkhardt, Mohammad A Abdulrazzak, David P Rosenbaum-Halevi, Haris Kamal, Kelsey R Duncan, Clark W Sitton, Leonid Churilov, Vitor Mendes Pereira, Jeffrey Sunshine, Thanh N Nguyen, Johanna T Fifi, Edgar A Samaniego, Adam Arthur, Stavropoula Tjoumakaris, Pascal Jabbour, Stephen M Davis, Lawrence Wechsler, Nicholas Bambakidis, Scott E Kasner, James C Grotta, Michael D Hill, Bruce C Campbell, Marc Ribo, Amrou Sarraj
{"title":"Association of Reperfusion and Procedural Characteristics with Endovascular Thrombectomy Outcomes in Large Core Stroke: Sub-Analysis from the SELECT2 Trial.","authors":"Ameer E Hassan, Michael G Abraham, Spiros Blackburn, Muhammad S Hussain, Santiago Ortega-Gutierrez, Michael Chen, Yin C Hu, Deep K Pujara, Nabeel A Herial, Jenny P Tsai, Ronald F Budzik, Nathan W Manning, Osman Kozak, Ricardo A Hanel, Amin N Aghaebrahim, Chirag D Gandhi, Fawaz Al-Mufti, Andrew Cheung, Bernard Yan, Peter Mitchell, Jordi Blasco, Luis San Román Manzanera, Nirav Vora, Daniel Gibson, Adam Wallace, Daniel Sahlein, Lucas Elijovich, Juan F Arenillas, Teddy Y Wu, Pere Cardona Portela, Natalia Pérez de la Ossa, Joanna D Schaafsma, William J Hicks, Dennis J Cordato, Navdeep Sangha, Steven Warach, Timothy J Kleinig, Faris Shaker, Hannah Johns, Wondwossen Tekle, Mark J Dannenbaum, Koji Ebersole, Gabor Toth, Michael Gooch, Abdulnasser Alhajeri, Krishna Amuluru, Abhishek Ray, Jan-Karl Burkhardt, Mohammad A Abdulrazzak, David P Rosenbaum-Halevi, Haris Kamal, Kelsey R Duncan, Clark W Sitton, Leonid Churilov, Vitor Mendes Pereira, Jeffrey Sunshine, Thanh N Nguyen, Johanna T Fifi, Edgar A Samaniego, Adam Arthur, Stavropoula Tjoumakaris, Pascal Jabbour, Stephen M Davis, Lawrence Wechsler, Nicholas Bambakidis, Scott E Kasner, James C Grotta, Michael D Hill, Bruce C Campbell, Marc Ribo, Amrou Sarraj","doi":"10.1002/ana.27104","DOIUrl":"https://doi.org/10.1002/ana.27104","url":null,"abstract":"<p><p>Endovascular thrombectomy (EVT) was shown to be safe and efficacious in patients with large core stroke in multiple randomized controlled trials. However, the impact of reperfusion and other procedural metrics on EVT outcomes in this population has not been well-characterized.</p><p><strong>Methods: </strong>From the SELECT2 trial, we evaluated the association between reperfusion status, first-pass effect (near-complete or complete reperfusion [extended thrombolysis in cerebral infarction (eTICI) 2c-3] in 1 pass), procedure time and primary technique (aspiration vs stent-retriever) with functional outcomes in patients receiving EVT across ASPECTS (3 vs 4 vs 5) and core estimate strata (<70 vs ≥70ml, <100 vs ≥100ml, and <150 vs ≥150ml).</p><p><strong>Results: </strong>Of 180 patients who received thrombectomy, 144 (80%) achieved successful reperfusion (eTICI 2b-3) and demonstrated better clinical outcomes (adjusted generalized odds ratios [aGenOR]: 1.48, 95% confidence interval [CI]: 1.01-2.15), compared with unsuccessful reperfusion. Results were consistent across ASPECTS and core estimate strata. Additionally, complete or near-complete reperfusion (eTICI 2c-3) was associated with better functional outcome (aGenOR: 1.99, 95% CI: 1.33-2.97) in patients achieving successful reperfusion. Functional outcome point estimates favored those with first-pass-effect (42 of 167 (25%), aGenOR: 1.46, 95% CI: 0.96-2.24). Longer procedure time was associated with worse modified Rankin scale (mRS) distribution (aGenOR: 0.92, 95% CI: 0.87-0.96, p-value = 0.001 for 10 minutes increment). Aspiration-first technique was used in 43 of 154 (25%) patients and was not associated with higher reperfusion (88% vs 78%, p = 0.18) or better functional outcome (aGenOR: 0.74, 95% CI: 0.50-1.10) as compared with stent-retriever first.</p><p><strong>Interpretation: </strong>Successful reperfusion resulted in improved clinical outcomes in large core patients across baseline ischemic core strata. Near complete or complete reperfusion was further associated with better outcomes, whereas prolonged procedures were associated with worse outcomes. Results were consistent regardless of the technique used. ANN NEUROL 2024.</p>","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":" ","pages":""},"PeriodicalIF":8.1,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142602086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Richard Bedlack, Xiaoyan Li, Baggio Angelo Evangelista, Maria E Panzetta, Justin Kwan, Lauren M Gittings, Rita Sattler
{"title":"The Scientific and Therapeutic Rationale for Off-Label Treatments in Amyotrophic Lateral Sclerosis.","authors":"Richard Bedlack, Xiaoyan Li, Baggio Angelo Evangelista, Maria E Panzetta, Justin Kwan, Lauren M Gittings, Rita Sattler","doi":"10.1002/ana.27126","DOIUrl":"10.1002/ana.27126","url":null,"abstract":"<p><p>There are no dramatically effective pharmacological treatments for most patients with amyotrophic lateral sclerosis, a complex disease with multiple underlying mechanisms, such as neuroinflammation, oxidative stress, mitochondrial dysfunction, microbiome alteration, and antiretroviral activity. We sifted through 15 years of reviews by a group called ALSUntangled to identify 8 alternative and off-label treatments that target ≥1 of these mechanisms, and have ≥1 human trial suggesting meaningful benefits. Given the overlapping pathological mechanisms of the highlighted products, we suggest that combinations of these treatments targeting diverse mechanisms might be worthwhile for future amyotrophic lateral sclerosis therapy development. ANN NEUROL 2024.</p>","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":" ","pages":""},"PeriodicalIF":8.1,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142581143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cyprien A Rivier, Daniela Renedo, Sandro Marini, Jessica R Magid-Bernstein, Adam de Havenon, Jonathan Rosand, Daniel F Hanley, Wendy C Ziai, Stephan A Mayer, Daniel Woo, Lauren H Sansing, Kevin N Sheth, Christopher D Anderson, Guido J Falcone
{"title":"Sex Modifies the Severity and Outcome of Spontaneous Intracerebral Hemorrhage.","authors":"Cyprien A Rivier, Daniela Renedo, Sandro Marini, Jessica R Magid-Bernstein, Adam de Havenon, Jonathan Rosand, Daniel F Hanley, Wendy C Ziai, Stephan A Mayer, Daniel Woo, Lauren H Sansing, Kevin N Sheth, Christopher D Anderson, Guido J Falcone","doi":"10.1002/ana.27123","DOIUrl":"https://doi.org/10.1002/ana.27123","url":null,"abstract":"<p><strong>Objective: </strong>The limited existing evidence on sex differences in the clinical characteristics of patients with spontaneous, non-traumatic intracerebral hemorrhage (ICH) comes from small, single-center studies. Here, we performed an individual patient data meta-analysis of 3 randomized clinical trials and 1 multi-ethnic observational study of ICH to investigate the impact of sex on ICH severity and outcome.</p><p><strong>Methods: </strong>Inclusion criteria in our study were a neuroimaging-confirmed ICH. We evaluated whether sex was associated with ICH severity (hematoma volume and expansion) and poor functional outcomes (modified Rankin Scale >3) 3 or 6 months after the ICH.</p><p><strong>Results: </strong>A total of 4,812 ICH patients were evaluated (mean age 62, 40% female). Males with ICH were younger, more likely to be smokers and have diabetes, and less likely to be on anticoagulants (all p < 0.05). In multivariable analyses, male sex was associated with non-lobar location (odds ratio [OR]: 1.63; 95% confidence interval [CI]: [1.39-1.92]; p < 0.001), larger hemorrhages (beta: 0.16 [0.08-0.23]; p < 0.001) and a higher risk of hematoma expansion (OR: 1.43 [1.20-1.71]; p < 0.001). Despite the larger hemorrhage volume and higher risk of expansion, male sex was associated with a 24% lower risk of poor outcomes (OR: 0.76 [0.64-0.90]; p = 0.002).</p><p><strong>Interpretation: </strong>Compared to females, males with ICH have larger bleeds and higher risk of hematoma expansion. Despite the larger bleeds and higher risk of hematoma expansion, males with ICH have lower risk of poor outcomes. Our results suggest that the biology and clinical trajectory are different in females and males with ICH, supporting sex-specific research in this condition. ANN NEUROL 2024.</p>","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":" ","pages":""},"PeriodicalIF":8.1,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142581142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kevin van Veenhuijzen, Harold H G Tan, Abram D Nitert, Michael A van Es, Jan H Veldink, Leonard H van den Berg, Henk-Jan Westeneng
{"title":"Longitudinal Magnetic Resonance Imaging in Asymptomatic C9orf72 Mutation Carriers Distinguishes Phenoconverters to Amyotrophic Lateral Sclerosis or Amyotrophic Lateral Sclerosis With Frontotemporal Dementia.","authors":"Kevin van Veenhuijzen, Harold H G Tan, Abram D Nitert, Michael A van Es, Jan H Veldink, Leonard H van den Berg, Henk-Jan Westeneng","doi":"10.1002/ana.27116","DOIUrl":"https://doi.org/10.1002/ana.27116","url":null,"abstract":"<p><strong>Objective: </strong>We prospectively studied asymptomatic C9orf72 mutation carriers, identifying those developing amyotrophic lateral sclerosis (ALS) or frontotemporal dementia (FTD).</p><p><strong>Methods: </strong>We enrolled 56 asymptomatic family members (AFM) with a C9orf72 mutation (AFM C9+), 132 non-carriers (AFM C9-), and 359 population-based controls. Using 3 T magnetic resonance imaging, we measured cortical thickness, gyrification, and subcortical volumes longitudinally. Linear mixed-effects models on non-converting AFM C9+ scans (n = 107) created a reference for these measurements, establishing individual atrophy patterns. Atrophy patterns from presymptomatic phenoconverters (n = 10 scans) served as a template for group comparisons and similarity assessments. Similarity with phenoconverters was quantified using Dice similarity coefficient (DSC) for cortical and Kullback-Leibler similarity (KLS) for subcortical measures. Using longitudinal similarity assessments, we predicted when participants would reach the average similarity level of phenoconverters at their first post-onset scan.</p><p><strong>Results: </strong>Five AFM C9+ converted to ALS or ALS-FTD. Up to 6 years before symptoms, these phenoconverters exhibited significant atrophy in frontal, temporal, parietal, and cingulate cortex, along with smaller thalamus, hippocampus, and amygdala compared to other AFM C9+. Some non-converted AFM C9+ had high DSC and KLS, approaching values of phenoconverters, whereas others, along with AFM C9- and controls, had lower values. At age 80, we predicted 27.9% (95% confidence interval, 13.2-40.1%) of AFM C9+ and no AFM C9- would reach the same DSC as phenoconverters.</p><p><strong>Interpretation: </strong>Distinctive atrophy patterns are visible years before symptom onset on presymptomatic scans of phenoconverters. Combining baseline and follow-up similarity measures may serve as a promising imaging biomarker for identifying those at risk of ALS or ALS-FTD. ANN NEUROL 2024.</p>","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":" ","pages":""},"PeriodicalIF":8.1,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142563593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lan Gao, Leonid Churilov, Hannah Johns, Deep Pujara, Ameer E Hassan, Michael Abraham, Santiago Ortega-Gutierrez, Muhammad Shazam Hussain, Michael Chen, Spiros Blackburn, Clark W Sitton, Florentina M E Pinckaers, Wim H van Zwam, Georgios Tsivgoulis, Michael D Hill, James C Grotta, Scott Kasner, Marc Ribo, Bruce C Campbell, Amrou Sarraj
{"title":"Cost-Effectiveness of Endovascular Thrombectomy in Patients with Large Ischemic Stroke.","authors":"Lan Gao, Leonid Churilov, Hannah Johns, Deep Pujara, Ameer E Hassan, Michael Abraham, Santiago Ortega-Gutierrez, Muhammad Shazam Hussain, Michael Chen, Spiros Blackburn, Clark W Sitton, Florentina M E Pinckaers, Wim H van Zwam, Georgios Tsivgoulis, Michael D Hill, James C Grotta, Scott Kasner, Marc Ribo, Bruce C Campbell, Amrou Sarraj","doi":"10.1002/ana.27119","DOIUrl":"10.1002/ana.27119","url":null,"abstract":"<p><strong>Objectives: </strong>Whereas highly cost-effective and cost-saving for patients with small infarcts, whether endovascular thrombectomy (EVT) remains cost-effective in patients with extensive ischemic injury is uncertain.</p><p><strong>Methods: </strong>We conducted a model-based cost-effectiveness analysis from the United States, Australian, and Spanish societal perspectives, using a 7-state Markov model, with each state defined by the modified Rankin Scale (mRS) score. Initial probabilities at 3 months were derived from the SELECT2 trial. All other model inputs, including transition probabilities, health care and non-health care costs, and utility weights, were sourced from published literature and government websites. Our analysis included extensive sensitivity and subgroup analyses.</p><p><strong>Results: </strong>EVT in patients with large ischemic stroke improved health outcomes and was associated with lower costs from a societal viewpoint. EVT was cost-effective with a mean between-group difference of 1.24 quality-adjusted life years (QALYs), and a cost-saving of $23,409 in the United States, $10,691 in Australia, and $30,036 in Spain, in addition to uncosted benefits in productivity for patients and carers. Subgroup analyses were directionally consistent with the overall population, notably with preserved cost-effectiveness in older patients (≥ 70 years) and those with more severe strokes (National Institutes of Health Stroke Scale [NIHSS] ≥ 20). Sensitivity analyses were largely consistent with the base-case results.</p><p><strong>Interpretation: </strong>EVT demonstrated cost-effectiveness in patients with large core across different settings in the United States, Australia, and Spain, including older patients and those with more severe strokes. These results further support adaptation of systems of care to accommodate the expansion of thrombectomy eligibility to patients with large cores and maximize EVT benefits. ANN NEUROL 2024.</p>","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":" ","pages":""},"PeriodicalIF":8.1,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142542308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ahmed Alkhiri, Aser F Alamri, Ahmed A Almaghrabi, Fahad Alturki, Basil A Alghamdi, Abdullah Alharbi, Hassan K Salamatullah, Mohamed Alzawahmah, Faisal Al-Otaibi, Abdulrahman Y Alturki, Dar Dowlatshahi, Andrew M Demchuk, Wendy C Ziai, Christopher P Kellner, Adel Alhazzani, Fahad S Al-Ajlan
{"title":"Minimally Invasive Surgery for Spontaneous Intracerebral Hemorrhage: Meta-Analysis of High-Quality Randomized Clinical Trials.","authors":"Ahmed Alkhiri, Aser F Alamri, Ahmed A Almaghrabi, Fahad Alturki, Basil A Alghamdi, Abdullah Alharbi, Hassan K Salamatullah, Mohamed Alzawahmah, Faisal Al-Otaibi, Abdulrahman Y Alturki, Dar Dowlatshahi, Andrew M Demchuk, Wendy C Ziai, Christopher P Kellner, Adel Alhazzani, Fahad S Al-Ajlan","doi":"10.1002/ana.27107","DOIUrl":"10.1002/ana.27107","url":null,"abstract":"<p><strong>Objectives: </strong>Spontaneous intracerebral hemorrhage (ICH) poses high mortality and morbidity rates with limited evidence-based therapeutic approaches. We aimed to evaluate the current evidence for the role of minimally invasive surgery (MIS) in the management of ICH.</p><p><strong>Methods: </strong>This systematic review and meta-analysis followed recommended guidelines and protocols. Medline, Embase, Scopus, and the Cochrane Library were searched from inception up to April 12, 2024. The inclusion was restricted to randomized clinical trials (RCTs) of high quality, ensuring they were not deemed to have a high risk of bias in any of the Cochrane risk of bias tool (RoB2) domains. Primary outcomes were good functional outcome (modified Rankin scale, 0-3) and mortality beyond 90 days. Secondary outcomes were early mortality within 30 days and rebleeding rates. We pooled odds ratios (ORs) with corresponding 95% confidence intervals (CIs) using random-effects models.</p><p><strong>Results: </strong>Fourteen high-quality RCTs were included. There were 3,027 patients with ICH (1,475 randomized to MIS, and 1,452 randomized to medical management or craniotomy). Of included patients, 1,899 (62.7%) were males. MIS resulted in higher odds of achieving long-term good functional outcome (OR, 1.51 [95% CI, 1.25-1.82]), lower odds of long-term mortality (OR, 0.72 [95% CI, 0.57-0.90]) and lower odds of early mortality (OR, 0.73 [95% CI, 0.56-0.95]). Rebleeding rates were similar (OR, 1.10 [95% CI, 0.55-2.19]). The treatment effect of MIS was consistent across multiple sensitivity and subgroup analyses, including individuals with deep ICH.</p><p><strong>Interpretation: </strong>This meta-analysis provides high-quality clinical trial evidence supporting the use of MIS as a primary treatment strategy in the management of ICH. ANN NEUROL 2024.</p>","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":" ","pages":""},"PeriodicalIF":8.1,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142542310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Saoussen Cherif, Nicolas Tempier, Mathieu Yeche, Gizem Temiz, Julia Perrière, Marco Romanato, Déborah Ziri, Sara Fernandez-Vidal, Elodie Hainque, David Maltête, Stéphane Derrey, Eric Bardinet, Brian Lau, Carine Karachi, Marie-Laure Welter
{"title":"Directional Subthalamic Deep Brain Stimulation Better Improves Gait and Balance Disorders in Parkinson's Disease Patients: A Randomized Controlled Study.","authors":"Saoussen Cherif, Nicolas Tempier, Mathieu Yeche, Gizem Temiz, Julia Perrière, Marco Romanato, Déborah Ziri, Sara Fernandez-Vidal, Elodie Hainque, David Maltête, Stéphane Derrey, Eric Bardinet, Brian Lau, Carine Karachi, Marie-Laure Welter","doi":"10.1002/ana.27099","DOIUrl":"https://doi.org/10.1002/ana.27099","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the effects of directional subthalamic deep brain stimulation (STN-dDBS) on gait and balance disorders, including freezing of gait (FOG), in patients with advanced Parkinson's disease (PD).</p><p><strong>Methods: </strong>We included 10 participants who underwent STN-DBS and presented severe preoperative FOG, in a randomized, double-blind, crossover study. We used segmented DBS electrodes to investigate whether directing the predicted volume of tissue activated (VTA) to overlap the central STN preferentially improved gait and balance disorders compared to directional DBS applied in the more posterior STN (sensorimotor). We also assessed non-directional (ring-mode) STN-DBS. Our primary outcome was gait and balance control measured using instrumented gait recordings. Each patient had a pre-operative structural and diffusion-weighted imaging to model individual VTAs and to examine cortico-subthalamic connectivity. We used linear mixed-effects models to contrast the effects of central STN-dDBS, posterior STN-dDBS, and ring-mode STN-DBS.</p><p><strong>Results: </strong>Central STN-dDBS produced significantly better improvement in gait and balance control compared to posterior STN-dDBS (p = 0.027), with fewer FOG episodes (p < 0.001). Conversely, ring-mode STN-DBS resulted in worsened postural control compared to central STN-dDBS (p = 0.009). The cortico-subthalamic connectivity with the STN VTAs involved mostly primary sensorimotor, premotor, and medial frontal cortices, with a higher overall cortico-STN connectivity with ring-mode STN-DBS.</p><p><strong>Interpretation: </strong>Central STN-dDBS represents the best option to improve gait and balance disorders in PD patients, including FOG. Our findings raise the possibility of reprogramming STN-DBS toward the central area in selected patients with disabling FOG and/or postural instability after surgery. ANN NEUROL 2024.</p>","PeriodicalId":127,"journal":{"name":"Annals of Neurology","volume":" ","pages":""},"PeriodicalIF":8.1,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142542309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}