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Fairclough S, Chumas P, Goodden J, Maguire M, Mathew RK. Motor seizures confer overall survival benefit in who grade 2 glioma. Epilepsia 2024; 65:1679-1686. [PMID: 38506645 DOI: 10.1111/epi.17956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 03/04/2024] [Accepted: 03/05/2024] [Indexed: 03/21/2024]
Abstract
OBJECTIVE The prevalence of epilepsy in World Health Organization (WHO) grade 2 glioma is high, with seizures being the presenting symptom in 60%-90%. We explore the epidemiology of seizures in this patient population in a regional neurosurgical center. METHODS Electronic health records of patients with histologically-proven WHO grade 2 glioma (n = 228) were reviewed between 1997 and 2021, with data collected including patient demographics, epilepsy prevalence, and seizure semiology. The influence of seizure type on overall survival was calculated using a Cox proportional hazards model. RESULTS Overall, 197 of 228 patients (86.4%) were diagnosed with epilepsy-either at presentation or during the course of their disease. Male patients were more likely than female patients to be diagnosed with epilepsy (91.1% vs 77.1%, p = .003) and, in those with epilepsy, more likely to experience at least one focal to bilateral tonic-clonic seizure (69.4% vs 54.1%, p = .05). Patients with left-sided tumors were twice as likely to have experienced a focal to bilateral tonic-clonic seizure (p = .02, odds ratio [OR] = .47). Predominantly experiencing seizures with motor activity appeared to confer better overall survival, with a 65% decrease in the risk of death 10 years post diagnosis (hazard ratio [HR] = .35, p = .02). This is despite accounting for previously described prognostic markers including tumor histology/genetics, time from diagnosis to surgery, and the extent of tumor resection. SIGNIFICANCE Motor seizure activity is a frequent feature in WHO grade 2 glioma and appears to confer a survival benefit regardless of histology or surgical factors. Seizures due to dominant hemisphere tumors may be more likely to propagate and cause bilateral tonic-clonic activity.
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Affiliation(s)
- Sam Fairclough
- Adult Neurology, Leeds Teaching Hospitals, Leeds, UK
- School of Medicine, University of Leeds, Leeds, UK
| | - Paul Chumas
- Department of Neurosurgery, Leeds Teaching Hospitals, Leeds, UK
| | - John Goodden
- Department of Neurosurgery, Leeds Teaching Hospitals, Leeds, UK
| | - Melissa Maguire
- Adult Neurology, Leeds Teaching Hospitals, Leeds, UK
- School of Medicine, University of Leeds, Leeds, UK
| | - Ryan K Mathew
- School of Medicine, University of Leeds, Leeds, UK
- Department of Neurosurgery, Leeds Teaching Hospitals, Leeds, UK
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2
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Nandoliya KR, Thirunavu V, Ellis E, Dixit K, Tate MC, Drumm MR, Templer JW. Pre-operative predictors of post-operative seizure control in low-grade glioma: a systematic review and meta-analysis. Neurosurg Rev 2024; 47:94. [PMID: 38411788 DOI: 10.1007/s10143-024-02329-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 02/12/2024] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
As many as 80% of low-grade gliomas (LGGs) present with seizures, negatively impacting quality of life. While seizures are associated with gliomas regardless of grade, the importance of minimizing impact of seizures for patients with low grade tumors cannot be understated given the prolonged survival period in this population. The objective of this systematic review and meta-analysis was to summarize existing literature and identify factors associated with post-operative seizure control (defined as Engel I classification) in patients with LGGs, with a focus on pre-operative factors. Patient data extracted include tumor location and histology, pre-operative anti-seizure medication use, extent of resection (EOR), adjuvant treatment, pre-operative seizure type, duration, and frequency, and post-operative Engel classification. A random-effects model was used to calculate the effects of EOR, pre-operative seizure duration, adjuvant radiation, and adjuvant chemotherapy on post-operative seizure control. The effect of tumor location and histology on post-operative Engel I classification was determined using contingency analyses. Thirteen studies including 1628 patients with seizures were included in the systematic review. On meta-analyses, Engel I classification was associated with pre-operative seizure type (OR = 0.79 (0.63-0.99), p = 0.0385, focal versus generalized), frontal lobe LGGs (OR = 1.5 (1.1-2.0), p = 0.0195), and EOR (OR (95% CI) = 4.5 (2.3-6.7), p < 0.0001 gross-total versus subtotal). Pre-operative seizure duration less than one year, adjuvant radiation, adjuvant chemotherapy, and tumor histology were not associated with achieving Engel I classification. In addition to the known effects of EOR, Engel I classification is less likely to be achieved in patients with focal pre-operative seizures and more likely to be achieved in patients with frontal lobe LGGs.
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Affiliation(s)
- Khizar R Nandoliya
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Vineeth Thirunavu
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Erin Ellis
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Karan Dixit
- Department of Neurology, Feinberg School of Medicine, Northwestern University, 675 N. St. Clair Street, Suite 20-100, Chicago, IL, 60611, USA
| | - Matthew C Tate
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Michael R Drumm
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Jessica W Templer
- Department of Neurology, Feinberg School of Medicine, Northwestern University, 675 N. St. Clair Street, Suite 20-100, Chicago, IL, 60611, USA.
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He C, Hu L, Chen C, Zheng Z, Jin B, Ding Y, Wang S, Ding MP, Zhu J, Wang S. Clinical characteristics of low-grade tumor-related epilepsy and its predictors for surgical outcome. Ann Clin Transl Neurol 2021; 8:1446-1455. [PMID: 34057825 PMCID: PMC8283179 DOI: 10.1002/acn3.51387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 11/06/2022] Open
Abstract
Objectives Low‐grade tumors are the most common neoplasms inducing focal epilepsy; however, the short‐ and medium‐term efficacy of surgery in epilepsy patients with low‐grade tumors remains underappreciated. This study aims to summarize the clinical characteristics of epilepsy patients with low‐grade tumors and to identify factors associated with postsurgical seizure‐free outcomes. Methods We retrospectively reviewed consecutive patients with low‐grade tumors who underwent subsequent epilepsy surgery in our epilepsy center, between 2012 and 2018 with a minimum follow‐up of 1 year. Using Engel’s classification and Kaplan–Meier survival analysis, we assessed postoperative seizure freedom over time. Demographical, electroclinical, and other presurgical evaluations were then evaluated for association with postoperative seizure outcome. Results The cohort included a total of 132 patients: 79 males and 53 females. Among them, 110 (83.33%) were seizure‐free through their last follow‐up. The Engel class I outcomes were 90.15%, 87.76%, 85.53%, 82.46%, and 73.17% at the end of the 1st, 2nd, 3rd, 4th, and 5th postoperative years, respectively. Multivariate logistic analysis revealed that longer epilepsy duration (p < 0.001, OR 1.091, 95% CI 1.040–1.144) and incomplete resection (p = 0.009, OR 3.673, 95% CI 1.393–9.684) were independently associated with seizure recurrence through the last follow‐up. Conclusions Surgical treatment for seizure control in patients with low‐grade tumors provides excellent short‐ and median‐term outcomes.
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Affiliation(s)
- Chenmin He
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lingli Hu
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Cong Chen
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Zhe Zheng
- Epilepsy Center, Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Bo Jin
- Department of Neurology, Zhejiang Provincial People's Hospital, Hangzhou, China
| | - Yao Ding
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shuang Wang
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Mei-Ping Ding
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Junming Zhu
- Epilepsy Center, Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shan Wang
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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De Witt Hamer PC, Klein M, Hervey-Jumper SL, Wefel JS, Berger MS. Functional Outcomes and Health-Related Quality of Life Following Glioma Surgery. Neurosurgery 2021; 88:720-732. [PMID: 33517431 PMCID: PMC7955971 DOI: 10.1093/neuros/nyaa365] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/25/2020] [Indexed: 12/19/2022] Open
Abstract
Functional outcome following glioma surgery is defined as how the patient functions or feels. Functional outcome is a coprimary end point of surgery in patients with diffuse glioma, together with oncological outcome. In this review, we structure the functional outcome measurements following glioma surgery as reported in the last 5 yr. We review various perspectives on functional outcome of glioma surgery with available measures, and offer suggestions for their use. From the recent neurosurgical literature, 160 publications were retrieved fulfilling the selection criteria. In these publications, neurological outcomes were reported most often, followed by activities of daily living, seizure outcomes, neurocognitive outcomes, and health-related quality of life or well-being. In more than a quarter of these publications functional outcome was not reported. A minimum essential consensus set of functional outcome measurements would benefit comparison across neurosurgical reports. The consensus set should be based on a combination of clinician- and patient-reported outcomes, assessed at a predefined time before and after surgery. The selected measurements should have psychometric properties supporting the intended use including validity-related evidence, reliability, and sensitivity to detect meaningful change with minimal burden to ensure compliance. We circulate a short survey as a start towards reporting guidelines. Many questions remain to better understand, report, and improve functional outcome following glioma surgery.
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Affiliation(s)
- Philip C De Witt Hamer
- Correspondence: Philip C. De Witt Hamer, MD, PhD, Amsterdam UMC, Vrije Universiteit, Department of Neurosurgery, Cancer Center Amsterdam, De Boelelaan 1117, 1081 HV Amsterdam, Netherlands.
| | - Martin Klein
- Amsterdam UMC, Vrije Universiteit, Department of Medical Psychology, Neuroscience Campus, Amsterdam, Netherlands
| | - Shawn L Hervey-Jumper
- University of California San Francisco, Department of Neurological Surgery, San Francisco, California
| | - Jeffrey S Wefel
- University of Texas MD Anderson Cancer Center, Department of Neuro-Oncology and Department of Radiation Oncology, Houston, Texas
| | - Mitchel S Berger
- University of California San Francisco, Department of Neurological Surgery, San Francisco, California
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Jiang H, Deng G, Liu B, Cheng J, Li Y, Tan Y, Wang J, Chen Q. Analysis of the short-term outcomes and risk factors of seizure relapse in patients with gliomas after antiepileptic drugs withdrawal. J Clin Neurosci 2020; 82:20-25. [PMID: 33317732 DOI: 10.1016/j.jocn.2020.09.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 08/11/2020] [Accepted: 09/28/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE The optimal timing for glioma patients to stop taking antiepileptic drugs (AEDs) and the risk factors of seizure relapse have not been determined. Here, we explored the short-term outcomes and risk factors of seizure relapse in glioma patients after withdrawal of AEDs. METHODS 91 patients with gliomas who had no seizures at least 2 years after surgery were enrolled in the study. The patients were followed up for 1 year or until the relapse of seizure after AEDs withdrawal. The risk factors of seizure relapse were analyzed by univariate and multivariate analysis. The optimal discrimination point was determined by plotting a receiver operating characteristic (ROC) curve to explore the relationship between the number of risk factors and seizure relapse. RESULTS 28 patients (30.8%) relapsed during the follow-up period while 63 patients (69.2%) remained seizure-free. Of the 28 relapsed patients, 20 (71.4%) relapsed within the first 6 months after the AEDs withdrawal. Multivariate analyses revealed that subtotal resection (p = 0.026), IDH1 mutation (p = 0.019), and combined use of AEDs (p = 0.037) were independent risk factors for seizure relapse in glioma patients. ROC curve based on the seizure relapse showed that the sensitivity was 0.821 and 1-specificity was 0.238, corresponding to 1.5 independent risk factors for each patient. CONCLUSION To obtain a favorable outcome for glioma patients with preoperative seizures, only patients with less than two independent risk factors for seizure relapse should consider discontinuing AEDs.
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Affiliation(s)
- Hongxiang Jiang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Gang Deng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
| | - Baohui Liu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
| | - Jing Cheng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
| | - Yong Li
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yinqiu Tan
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Junmin Wang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
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Dimou J, Kelly J. The biological and clinical basis for early referral of low grade glioma patients to a surgical neuro-oncologist. J Clin Neurosci 2020; 78:20-29. [PMID: 32381393 DOI: 10.1016/j.jocn.2020.04.119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 03/24/2020] [Accepted: 04/26/2020] [Indexed: 12/15/2022]
Abstract
The discovery of IDH1/2 (isocitrate dehydrogenase) mutation in large scale, genomewide mutational analyses of gliomas has led to profound developments in understanding tumourigenesis, and restructuring of the classification of both high and low grade gliomas. Owing to this progress made in the recognition of molecular markers which predict tumour behavior and treatment response, the increasing importance of adjuvant treatments such as chemo- and radiotherapy, and the tremendous advances in surgical technique and intraoperative monitoring which have facilitated superior extents of resection whilst preserving neurological functioning and quality of life, contemporary management of low grade glioma (LGG) has switched from a passive, observant approach to a more active, interventional one. Furthermore, this has implications for the manner in which patients with incidentally discovered and/or asymptomatic LGG are managed, and this review of the biological behaviour of LGG, as well as its clinical investigation and management, should act as a timely reminder to all clinicians of the importance of referring LGG patients early to a surgical neuro-oncologist who is not only familiar and acquainted with the vagaries of this disease process, but who, in addition, is devoted to delivering care to these patients with the support of a multi-disciplinary clinical decision-making unit, comprising medical neuro-oncologists, radiation oncologists and allied health professionals.
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Affiliation(s)
- James Dimou
- Department of Neurosurgery, University of Calgary, Alberta, Canada.
| | - John Kelly
- Department of Neurosurgery, University of Calgary, Alberta, Canada
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Jiang H, Liu B, Deng G, Yuan F, Tan Y, Yang K, Gao L, Wang J, Chen Q. Short-term outcomes and predictors of post-surgical seizures in patients with supratentorial low-grade gliomas. J Clin Neurosci 2020; 72:163-168. [PMID: 31937499 DOI: 10.1016/j.jocn.2019.12.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 11/19/2019] [Accepted: 12/16/2019] [Indexed: 10/25/2022]
Abstract
To explore the predictive factors and short-term outcomes of post-surgical seizures in patients with supratentorial low-grade gliomas (LGGs). A consecutive series of 70 supratentorial LGG patients with seizures were reviewed to determine the predictors and short-term outcomes of seizures. Univariate analyses and multivariate logistic regression analyses were performed to determine the predictive factors associated with postoperative seizure outcomes. We identified the preoperative seizure frequency threshold by plotting a receiver operating characteristic curve. A Kaplan-Meier curve was constructed to illustrate the seizure-free survival rate of our cohort over time. 54 patients who remained seizure -free post-surgery were classified into the Engel class I, and the other 16 patients whose seizures relapsed were classified into Engel classes II-IV. Univariate and multivariate logistic regression analyses showed that the preoperative seizure frequency (X2 = 16.069, P = 0.001), extent of resection (x2 = 5.031, P = 0.025), IDH1 mutation (x2 = 4.435, P = 0.035) and adjuvant chemotherapy of temozolomide (X2 = 4.081, P = 0.043) were related to the postoperative short-term seizure outcome. The ROC curve indicated that the area under the curve for the preoperative seizure frequency test was 0.805 (95% confidence interval 0.690-0.920, p < 0.05), which corresponded to an optimal threshold of 2 preoperative seizures. The IDH1WT status and adjuvant chemotherapy with temozolomide were related to a better post-operative seizure outcome. Within the first year after the surgical resection, seizures reoccurred among 16 patients (22.9%) with a mean time of 10.8 months. The preoperative seizure frequency, extent of resection, IDH1 status, and adjuvant chemotherapy with temozolomide were predictive factors of short-term postoperative seizure outcomes for supratentorial LGGs. To obtain a favorable seizure outcome, early intervention and removal are warranted. IDH1 mutation is the predictive biomarker of postoperative seizure outcomes. The adjuvant chemotherapy with temozolomide appears to be associated with better seizure outcomes, and it may be useful in helping to control the postoperative seizures.
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Affiliation(s)
- Hongxiang Jiang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Baohui Liu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Gang Deng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Fanen Yuan
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yinqiu Tan
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Kun Yang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Lun Gao
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Junmin Wang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
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Santos-Pinheiro F, Park M, Liu D, Kwong LN, Cruz S, Levine NB, O'Brien BJ, Chen M. Seizure burden pre- and postresection of low-grade gliomas as a predictor of tumor progression in low-grade gliomas. Neurooncol Pract 2019; 6:209-217. [PMID: 31386048 DOI: 10.1093/nop/npy022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Background Low-grade gliomas (LGGs) are slow-growing, infiltrative tumors frequently associated with seizures. Predicting which patients will develop early tumor recurrence based on clinical indicators following initial surgical intervention remains a challenge. Seizure recurrence following surgery may be an early indicator of tumor recurrence, especially in patients presenting with increase in seizure frequency. Methods This study analyzed 148 patients meeting inclusion criteria (age >18 years, LGG diagnosis, at least 1 seizure event recorded before and after initial surgical intervention). All patients were treated at the Brain and Spine Center at The University of Texas MD Anderson Cancer Center from January 2000 to March 2013. Seizure frequency in a 6-month period before and after tumor resection was categorized as none, 1, few (2 to 3 seizures) or several (>3 seizures). Immediately postoperative seizures (up to 48 hours from surgery) were not included in the analysis. Results A total of 116 (78.4%) patients had seizures at initial presentation and most (95%) were started on antiepileptic drugs (AEDs). We found 2 clinical variables with a significant impact on progression-free survival (PFS): Higher seizure frequency during the 6-month postoperative period and seizure frequency increase between the 6-month pre- and the 6-month postoperative periods were both correlated to higher risk of early tumor recurrence (P = .007 and P = .004, respectively). Conclusion Seizure frequency following surgical resection of LGGs and the seizure frequency change between the 6-month preoperative and postoperative periods may serve as clinical predictors of early tumor recurrence in patients with LGGs who are also afflicted by seizures.
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Affiliation(s)
| | - Mingjeong Park
- University of Texas MD Anderson Cancer Center, Department of Biostatistics
| | - Diane Liu
- University of Texas MD Anderson Cancer Center, Department of Biostatistics
| | - Lawrence N Kwong
- University of Texas MD Anderson Cancer Center, Department of Translation Molecular Pathology
| | | | - Nicholas B Levine
- University of Texas MD Anderson Cancer Center, Department of Neurosurgery
| | - Barbara J O'Brien
- University of Texas MD Anderson Cancer Center, Department of Neuro-Oncology
| | - Merry Chen
- University of Texas MD Anderson Cancer Center, Department of Neuro-Oncology
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Tang S, Liao J, Long Y. Comparative assessment of the efficacy of gross total versus subtotal total resection in patients with glioma: A meta-analysis. Int J Surg 2019; 63:90-97. [DOI: 10.1016/j.ijsu.2019.02.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 01/25/2019] [Accepted: 02/02/2019] [Indexed: 12/31/2022]
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Morshed RA, Young JS, Han SJ, Hervey-Jumper SL, Berger MS. The transcortical equatorial approach for gliomas of the mesial temporal lobe: techniques and functional outcomes. J Neurosurg 2019; 130:822-830. [PMID: 29676697 DOI: 10.3171/2017.10.jns172055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 10/18/2017] [Indexed: 11/06/2022]
Abstract
OBJECTIVEMany surgical approaches have been described for lesions within the mesial temporal lobe (MTL), but there are limited reports on the transcortical approach for the resection of tumors within this region. Here, the authors describe the technical considerations and functional outcomes in patients undergoing transcortical resection of gliomas of the MTL.METHODSPatients with a glioma (WHO grades I-IV) located within the MTL who had undergone the transcortical approach in the period between 1998 and 2016 were identified through the University of California, San Francisco (UCSF) tumor registry and were classified according to tumor location: preuncus, uncus, hippocampus/parahippocampus, and various combinations of the former groups. Patient and tumor characteristics and outcomes were determined from operative, radiology, pathology, and other clinical reports that were available through the UCSF electronic medical record.RESULTSFifty patients with low- or high-grade glioma were identified. The mean patient age was 46.8 years, and the mean follow-up was 3 years. Seizures were the presenting symptom in 82% of cases. Schramm types A, C, and D represented 34%, 28%, and 38% of the tumors, and the majority of lesions were located at least in part within the hippocampus/parahippocampus. For preuncus and preuncus/uncus tumors, a transcortical approach through the temporal pole allowed for resection. For most tumors of the uncus and those extending into the hippocampus/parahippocampus, a corticectomy was performed within the middle and/or inferior temporal gyri to approach the lesion. To locate the safest corridor for the corticectomy, language mapping was performed in 96.9% of the left-sided tumor cases, and subcortical motor mapping was performed in 52% of all cases. The mean volumetric extent of resection of low- and high-grade tumors was 89.5% and 96.0%, respectively, and did not differ by tumor location or Schramm type. By 3 months' follow-up, 12 patients (24%) had residual deficits, most of which were visual field deficits. Three patients with left-sided tumors (9.4% of dominant-cortex lesions) experienced word-finding difficulty at 3 months after resection, but 2 of these patients demonstrated complete resolution of symptoms by 1 year.CONCLUSIONSMesial temporal lobe gliomas, including larger Schramm type C and D tumors, can be safely and aggressively resected via a transcortical equatorial approach when used in conjunction with cortical and subcortical mapping.
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Affiliation(s)
- Ramin A Morshed
- 1Department of Neurological Surgery, University of California, San Francisco, California; and
| | - Jacob S Young
- 1Department of Neurological Surgery, University of California, San Francisco, California; and
| | - Seunggu J Han
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Shawn L Hervey-Jumper
- 1Department of Neurological Surgery, University of California, San Francisco, California; and
| | - Mitchel S Berger
- 1Department of Neurological Surgery, University of California, San Francisco, California; and
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11
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Shan X, Fan X, Liu X, Zhao Z, Wang Y, Jiang T. Clinical characteristics associated with postoperative seizure control in adult low-grade gliomas: a systematic review and meta-analysis. Neuro Oncol 2019; 20:324-331. [PMID: 29016869 DOI: 10.1093/neuonc/nox130] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background Epilepsy is the most common symptom in patients with supratentorial low-grade gliomas (LGGs), which adversely affects the patient's quality of life. Poor seizure control with anti-epileptic therapy is an indication for surgery in these patients. Recent studies have sought to identify predictors of postoperative seizure control after surgical resection of LGG; gross total resection was shown to be a significant predictor in this respect. However, the prognostic value of other factors is not clear. Methods We performed a systematic review and meta-analysis of 23 studies with a combined study population of 2641 patients with LGG, in order to identify potential factors associated with favorable postoperative seizure control. Data were extracted on age and sex of patient, tumor location, tumor histology, type of seizure, seizure duration, extent of resection, and imaging characteristics. Results Patients ≥45 years of age achieved better postoperative seizure control (risk ratio [RR], 0.89; 95% CI, 0.81-0.99). Focal seizures were associated with poor seizure control (RR, 1.32; 95% CI, 1.18-1.49) compared with generalized seizures (RR, 0.77; 95% CI, 0.68-0.87). Prolonged history of seizures (≥1 y) had a negative impact on postoperative seizure control (RR, 1.22; 95% CI, 1.10-1.34). Gross total resection was superior to subtotal resection with respect to postoperative seizure control (RR, 0.68; 95% CI, 0.63-0.73). Conclusions This systematic review and meta-analysis identified predictors of postoperative seizure control in patients undergoing surgical resection of LGGs. Our results provide a reference for clinical treatment of LGG-related epilepsy.
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Affiliation(s)
- Xia Shan
- Department of Neuropathology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Xing Fan
- Department of Neuropathology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Xing Liu
- Department of Neuropathology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Zheng Zhao
- Department of Neuropathology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Yinyan Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Tao Jiang
- Department of Neuropathology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.,Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Center of Brain Tumor, Beijing Institute for Brain Disorders, Beijing, China
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12
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Costa MS, Holderbaum CS, Wagner GP. Avaliação Neuropsicológica em Pacientes com Tumores Cerebrais: revisão sistemática da literatura. REVISTA DE PSICOLOGIA DA IMED 2018. [DOI: 10.18256/2175-5027.2018.v10i2.2676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Os tumores cerebrais (TC) são causados pelo crescimento anormal de células. As consequências dos TC podem envolver prejuízos físicos, cognitivos e emocionais. Objetiva-se identificar e descrever os prejuízos cognitivos associados aos TC, através de uma revisão sistemática da literatura. As buscas realizaram-se nas bases de dados internacionais PubMed/MEDLINE, LILACS, e SCOPUS, incluindo abstracts de artigos publicados de 2006 a 2016. Encontrou-se 501 artigos desses, 31 cumpriram os critérios de inclusão. Os TC, representam 5% das neoplasias, sendo alguns mais agressivos que outros. Apresenta-se como sintomas severos: déficits cognitivos, motores. A avaliação neuropsicológica auxilia na identificação de possíveis alterações cognitivas e no acompanhamento dos efeitos do tratamento, contribuindo para melhor qualidade de vida desses pacientes. Os resultados encontrados indicaram as Escalas Wechsler de Inteligência; Matrizes Progressivas de Raven, Figuras Complexas de Rey, Teste de Retenção Visual de Benton, e Token Test como os mais utilizados, e que evidenciaram como prejuízos os envolvendo a memória, a atenção e funções executivas. A localização mais frequente destes TC eram as regiões frontais e temporais e os gliomas o tipo de tumor mais investigado.
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Yang K, Nath S, Koziarz A, Badhiwala JH, Ghayur H, Sourour M, Catana D, Nassiri F, Alotaibi MB, Kameda-Smith M, Manoranjan B, Aref MH, Mansouri A, Singh S, Almenawer SA. Biopsy Versus Subtotal Versus Gross Total Resection in Patients with Low-Grade Glioma: A Systematic Review and Meta-Analysis. World Neurosurg 2018; 120:e762-e775. [DOI: 10.1016/j.wneu.2018.08.163] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/20/2018] [Accepted: 08/21/2018] [Indexed: 12/21/2022]
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Oushy S, Sillau SH, Ney DE, Damek DM, Youssef AS, Lillehei KO, Ormond DR. New-onset seizure during and after brain tumor excision: a risk assessment analysis. J Neurosurg 2018; 128:1713-1718. [DOI: 10.3171/2017.2.jns162315] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVEProphylactic use of antiepileptic drugs (AEDs) in seizure-naïve brain tumor patients remains a topic of debate. This study aimed to characterize a subset of patients at highest risk for new-onset perioperative seizures (i.e., intraoperative and postoperative seizures occurring within 30 days of surgery) who may benefit from prophylactic AEDs.METHODSThe authors conducted a retrospective case-control study of all adults who had undergone tumor resection or biopsy at the authors’ institution between January 1, 2004, and June 31, 2015. All patients with a history of preoperative seizures, posterior fossa tumors, pituitary tumors, and parasellar tumors were excluded. A control group was matched to the seizure patients according to age (± 0 years). Demographic data, clinical status, operative data, and postoperative course data were collected and analyzed.RESULTSAmong 1693 patients who underwent tumor resection or biopsy, 549 (32.4%) had never had a preoperative seizure. Of these 549 patients, 25 (4.6%) suffered a perioperative seizure (Group 1). A total of 524 patients (95.4%) who remained seizure free were matched to Group 1 according to age (± 0 years), resulting in 132 control patients (Group 2), at an approximate ratio of 1:5. There were no differences between the patient groups in terms of age, sex, race, relationship status, and neurological deficits on presentation. Histological subtype (infiltrating glioma vs meningioma vs other, p = 0.041), intradural tumor location (p < 0.001), intraoperative cortical stimulation (p = 0.004), and extent of resection (less than gross total, p = 0.002) were associated with the occurrence of perioperative seizures.CONCLUSIONSWhile most seizure-naïve brain tumor patients do not benefit from perioperative seizure prophylaxis, such treatment should be considered in high-risk patients with supratentorial intradural tumors, in patients undergoing intraoperative cortical stimulation, and in patients in whom subtotal resection is likely.
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Affiliation(s)
| | | | - Douglas E. Ney
- 2Neurology, University of Colorado School of Medicine, Aurora, Colorado
| | - Denise M. Damek
- 2Neurology, University of Colorado School of Medicine, Aurora, Colorado
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