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Predictors of withdrawal of life-sustaining therapies in older adults with TBI and a modified frailty index score
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-18 DOI: 10.1016/j.jocn.2025.111191
John J. Francis , Ahmed I. Kashkoush , Vanessa P. Ho , Mary J. Roach , Michael L. Kelly

Background

Withdrawal-of-life-sustaining-therapies (WLST) in patients with traumatic brain injury (TBI) is a complex decision-making process. The clinical factors related to WLST in older adults with TBI are currently poorly understood. The present study aims to determine the clinical predictors of WLST in older patients with TBI.

Methods

All patients ≥ 65 years old with TBI (Head Abbreviated Injury Scale Score ≥ 3) were identified from the Geriatric TBI Database, a prospective registry of patients admitted to 45 trauma centers nationwide with TBI between 2017–2019. We collected factors related to past medical history, baseline demographic data, clinical presentation, TBI sub-type, neurosurgical interventions, and do-not-attempt-resuscitation (DNAR) orders. The primary outcome measure was WLST. Binary logistic regression was subsequently performed to determine factors independently associated with WLST.

Results

A total of 1600 patients were identified. The median age was 80 years old and 48.6 % of patients were male. In this cohort, 120 patients (7.5 %) underwent WLST. A logistic regression model revealed that Glasgow Coma Scale (GCS) (OR 0.82; 95 %-CI 0.77––0.87), cerebral edema (3.2; 1.5–7.0), craniotomy/craniectomy (2.5; 1.4–4.4), and DNAR (8.8; 5.5–14.3) were all independently associated with WLST. This model demonstrated excellent discrimination ability with a concordance statistic of 0.935.

Conclusions

This study demonstrates that patients ≥ 65 years old with poor initial GCS, cerebral edema, craniotomy/craniectomy, and DNAR were all independently associated with WLST. Pre-injury frailty was not associated with WLST. Further studies are needed to evaluate the prognostic value of frailty indices in the management of patients with TBI.
{"title":"Predictors of withdrawal of life-sustaining therapies in older adults with TBI and a modified frailty index score","authors":"John J. Francis ,&nbsp;Ahmed I. Kashkoush ,&nbsp;Vanessa P. Ho ,&nbsp;Mary J. Roach ,&nbsp;Michael L. Kelly","doi":"10.1016/j.jocn.2025.111191","DOIUrl":"10.1016/j.jocn.2025.111191","url":null,"abstract":"<div><h3>Background</h3><div>Withdrawal-of-life-sustaining-therapies (WLST) in patients with traumatic brain injury (TBI) is a complex decision-making process. The clinical factors related to WLST in older adults with TBI are currently poorly understood. The present study aims to determine the clinical predictors of WLST in older patients with TBI.</div></div><div><h3>Methods</h3><div>All patients ≥ 65 years old with TBI (Head Abbreviated Injury Scale Score ≥ 3) were identified from the Geriatric TBI Database, a prospective registry of patients admitted to 45 trauma centers nationwide with TBI between 2017–2019. We collected factors related to past medical history, baseline demographic data, clinical presentation, TBI sub-type, neurosurgical interventions, and do-not-attempt-resuscitation (DNAR) orders. The primary outcome measure was WLST. Binary logistic regression was subsequently performed to determine factors independently associated with WLST.</div></div><div><h3>Results</h3><div>A total of 1600 patients were identified. The median age was 80 years old and 48.6 % of patients were male. In this cohort, 120 patients (7.5 %) underwent WLST. A logistic regression model revealed that Glasgow Coma Scale (GCS) (OR 0.82; 95 %-CI 0.77––0.87), cerebral edema (3.2; 1.5–7.0), craniotomy/craniectomy (2.5; 1.4–4.4), and DNAR (8.8; 5.5–14.3) were all independently associated with WLST. This model demonstrated excellent discrimination ability with a concordance statistic of 0.935.</div></div><div><h3>Conclusions</h3><div>This study demonstrates that patients ≥ 65 years old with poor initial GCS, cerebral edema, craniotomy/craniectomy, and DNAR were all independently associated with WLST. Pre-injury frailty was not associated with WLST. Further studies are needed to evaluate the prognostic value of frailty indices in the management of patients with TBI.</div></div>","PeriodicalId":15487,"journal":{"name":"Journal of Clinical Neuroscience","volume":"135 ","pages":"Article 111191"},"PeriodicalIF":1.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143642800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intracranial meningioma with intratumoral hemorrhage: A systematic review of associated features and outcomes
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-15 DOI: 10.1016/j.jocn.2025.111188
Dillon H. Putzler , Mohammad Faizan Khan , Frishan O. Paulo , Lauren A. Nguyen , Christine Galang , Erin Rauber , Ryan Gensler , Julian Gendreau , Gina Watanabe , Paolo Palmisciano
Intratumoral hemorrhage (ITH) is a rare clinical entity associated with gliomas and rarely with meningiomas. The hemorrhage risk of ITH in meningiomas remains poorly described. Literature suggests that patient age, tumor location, and histology may play some role. In this study, we aim to address ITH risk factors by evaluating patient and tumor characteristics, symptoms, and outcomes of ITH associated with meningioma. PubMed, Web of Science, Ovid EMBASE, and Scopus databases were searched from database inception to December 2024 for cases of meningioma with ITH based on PRISMA guidelines. Patient demographics, presenting symptoms, tumor characteristics, treatments, and survival outcomes were extracted and analyzed. 107 cases from 68 studies were collected. Patients were mostly female (61 %), with an average age of 56 years. The most common comorbidity was hypertension (19 %). Patients often presented awake (47 %) with headache (22 %) or weakness (20 %), 21 % were comatose on admission. Most tumors were WHO grade 1 (85 %), located on the convexity (56 %) with meningothelial histotype (34 %). Single-stage resection with hematoma evacuation was the most common treatment modality (91 %). Embolization (2 %) was rarely performed. 59 % of patients had complete resolution of symptoms, and 88 % survived to last follow-up. Current management favors single-stage resective surgery and hematoma evacuation; pre-operative embolization has a limited role. Postoperatively, the role of anticoagulation for VTE prophylaxis is unclear. Most patients survive with complete resolution of symptoms after operative intervention.
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引用次数: 0
Survey on the impact of WHO 2021 classification of brain tumors on adult glioma management in Africo-Asian region
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-14 DOI: 10.1016/j.jocn.2025.111174
Sarvesh Goyal , Shweta Kedia , Sonal Jain , Hemlata Jangir , Nenkimun Dirting Bakwa , Bipin Chaurasia , Claire Karekezi , James A Balogun , Lynne Lourdes N. Lucena , Mahnaaz Sultana Azeem , Mabel Banson , Santanu Kumar Bora , Selfy Oswari , Vaishali Suri , Vasundhara Rangan
The 2021 WHO classification of central nervous system (CNS) tumors introduced significant changes based on molecular and biological tumor characteristics, aiming to improve prognostication and enable more precise treatment approaches. This study investigated the awareness, adoption, and impact of the new classification on adult glioma management among healthcare professionals in Africo-Asian region. Through a structured survey questionnaire distributed across these regions, assessment of the level of awareness, diagnostic changes, challenges faced, and future perspectives among respondents was done. The survey received responses from 56 participants. Findings revealed that while 67.85% of respondents from Asia and 32.15% from Africa reported awareness of the new classification, both groups faced significant challenges in accessing molecular diagnostics, with financial constraints limiting widespread implementation. This paper provides insights into the current state of brain glioma management in resource-limited settings and discusses the potential need for further refinements in the WHO classification of CNS tumors and adult glioma management guidelines to address these disparities.
2021 年世界卫生组织(WHO)中枢神经系统(CNS)肿瘤分类根据肿瘤的分子和生物学特征做出了重大改变,旨在改善预后并实现更精确的治疗方法。本研究调查了非洲-亚洲地区医护人员对新分类的认识、采用情况以及新分类对成人胶质瘤管理的影响。通过在这些地区发放结构化调查问卷,对受访者的认知水平、诊断变化、面临的挑战和未来展望进行了评估。调查收到了 56 位参与者的回复。调查结果显示,虽然有 67.85% 的亚洲受访者和 32.15% 的非洲受访者表示了解新的分类方法,但这两个群体在获取分子诊断方法方面都面临着巨大挑战,资金限制也制约了新方法的广泛实施。本文深入探讨了资源有限地区脑胶质瘤管理的现状,并讨论了进一步完善世界卫生组织中枢神经系统肿瘤分类和成人胶质瘤管理指南以解决这些差异的潜在需求。
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引用次数: 0
Validation of data capture in the Australasian shunt registry with a prospectively maintained institutional database
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-14 DOI: 10.1016/j.jocn.2025.111179
Michael J. Stuart , Alison Wray , Mark Dexter , Robert AJ. Campbell

Background

The Australasian Shunt Registry was established in 2016 with the aim of providing safety and quality data in addition to enhancing capacity for research to improve health outcomes for patients with cerebrospinal fluid shunts. The Queensland Children’s Hospital is the largest single contributor of paediatric patient data to the Registry and maintains an independent institutional shunt database. The aim of this study was to validate the demographic data and outcomes captured by the Registry against that institutional database.

Methods

Data from the institutional database and a sample of data from the same institution held by the Australasian Shunt Registry were acquired from the period of 1 January 2017 to 1 October 2024. Patients ≤ 18 years of age undergoing placement of a new ventriculoperitoneal shunt system were included. Revision and mortality data were acquired from the Australasian Shunt Registry and Queensland statewide electronic medical records independently. Comparison was made between demographic and mortality data captured by each database. The primary outcome of time to shunt revision (shunt survival) in each sample was assessed through the generation of Kaplan-Meier curves and analysis by both Wilcoxon and log-rank tests.

Results

Over the study period the shunt registry reported a full or partial opt-out rate of 9.5 %. 344 patients were identified and included from the institutional database, and 294 patients were included from the Registry. The identified patient samples were demographically similar with a mean age of 5 years, and 44 % female in both groups. The most common aetiologies of hydrocephalus in both cohorts were congenital (28 % vs 28 %, p = 0.49), tumour (33 % vs 27 %, p = 0.08) and haemorrhage (25 % vs 18 %, p = 0.02). Mortality during followup was consistent across both samples (13 % vs 11 %, p = 0.27). Similarly, binary revision status during the followup period was similar (34 % vs 32 %, p = 0.3). Kaplan-Meier analysis of time to revision (shunt survival) estimated shunt survival to be 4.82 years (95 % CI 4.42––5.22 years) in the institutional database and 5.25 (95 % CI 4.81–5.69 years) in the Registry with no significant differences between the samples on Wilcoxon, p = 0.3 or late Log-Rank, p = 0.36 tests.

Conclusions

The Australasian Shunt Registry appears to capture a valid sample which is representative of the demographics and clinical outcomes of patients treated at one large contributing institution. Ongoing efforts to ensure comprehensive data capture at all participating sites are justified to ensure that future findings derived from Registry data are representative of the studied population.
背景澳大利亚分流注册中心成立于 2016 年,旨在提供安全和质量数据,同时提高研究能力,改善脑脊液分流患者的健康状况。昆士兰儿童医院是该注册中心最大的儿科患者数据提供者,并拥有独立的机构分流数据库。本研究的目的是根据该机构数据库验证注册中心采集的人口统计学数据和结果。方法从该机构数据库中获取数据,并从澳大拉西亚分流注册中心持有的同一机构的数据样本中获取 2017 年 1 月 1 日至 2024 年 10 月 1 日期间的数据。纳入了接受新脑室腹腔分流系统置入手术的 18 岁以下患者。翻修和死亡率数据分别从澳大拉西亚分流注册中心和昆士兰州全州电子病历中获取。对每个数据库中的人口统计学数据和死亡率数据进行了比较。通过生成 Kaplan-Meier 曲线以及 Wilcoxon 和 log-rank 检验进行分析,评估了每个样本中分流术修正时间(分流术存活率)的主要结果。从机构数据库中确认并纳入了 344 名患者,从登记处纳入了 294 名患者。已确定的患者样本在人口统计学上相似,平均年龄为 5 岁,两组患者中均有 44% 为女性。两组患者中最常见的脑积水病因分别是先天性(28% vs 28%,p = 0.49)、肿瘤(33% vs 27%,p = 0.08)和出血(25% vs 18%,p = 0.02)。两个样本随访期间的死亡率一致(13% vs 11%,p = 0.27)。同样,随访期间的二元修正状态也相似(34% vs 32%,p = 0.3)。根据 Kaplan-Meier 分析(分流存活率)估计,机构数据库中的分流存活率为 4.82 年(95 % CI 4.42--5.22 年),登记处中的分流存活率为 5.25 年(95 % CI 4.81-5.69 年)。结论澳大拉西亚分流器注册中心似乎采集了一个有效样本,该样本代表了在一家大型医疗机构接受治疗的患者的人口统计学特征和临床结果。我们有理由继续努力,确保所有参与机构都能获得全面的数据,以保证将来从注册数据中得出的结果能代表研究人群。
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引用次数: 0
Endoscopic endonasal pituitary transposition trans-tuber-cinereum for resection of the third ventricle craniopharyngioma
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-14 DOI: 10.1016/j.jocn.2025.111176
Xie Tao , Yang Zijiang , Yang Liangliang , Li Zeyang , Liu Tengfei , Zhang Xiaobiao
Endoscopic endonasal approach (EEA) to craniopharyngioma has been widely used in the last decade. However, intrinsic third ventricle craniopharyngioma is still a difficult type for EEA. Endoscopic endonasal suprachiasmatic trans-lamina terminalis approach is an alternative solution. In consideration of the origin of intra-third ventricle craniopharyngioma is tuberoinfundibular area in the floor of the third ventricle, the suprachiasmatic trans-lamina terminalis approach is limited in exposing this area from anterior-superior direction. In this technical note, we describe our surgical technique for resection of the third ventricle craniopharyngioma by using endoscopic endonasal pituitary transposition trans-tuber-cinereum approach. The surgical technique includes posterior clinoidectomy, pituitary transposition, and opening the tuber cinereum. This described approach was performed in two patients with intrinsic third ventricle craniopharyngiomas, both of them achieved gross total resection. Transient pituitary deficiency was replaced with hormones. No other complications were occurred. Endoscopic endonasal pituitary transposition trans-tuber-cinereum approach is a safe and effective for this special type of craniopharyngioma.
近十年来,内窥镜鼻内镜方法(EEA)已被广泛用于治疗颅咽管瘤。然而,第三脑室内在性颅咽管瘤仍是 EEA 的困难类型。内镜下经神经末梢上腔入路是另一种解决方案。考虑到第三脑室内颅咽管瘤的起源是第三脑室底部的结节腱膜区,经终末束束上入路从前后方向暴露该区域受到限制。在这篇技术论文中,我们介绍了采用内窥镜鼻内侧垂体转位经蝶鞍-蝶窦入路切除第三脑室颅咽管瘤的手术技巧。手术技术包括后侧蝶窦切除术、垂体转位术和打开小脑结。两名患有第三脑室内在性颅咽管瘤的患者采用了上述方法,均实现了大体全切除。用激素替代了一过性垂体功能不足。没有出现其他并发症。内镜下经蝶鞍-椎间孔垂体转位术是治疗这种特殊类型颅咽管瘤的一种安全有效的方法。
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引用次数: 0
Integrating adaptive digital health and family education: A new approach to assessing psychomotor development in malnourished children.
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-14 DOI: 10.1016/j.jocn.2025.111186
Monica Widyaswari, Ali Fakhrudin
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引用次数: 0
Swahili translation and cultural adaptation of the National Institutes of Health Stroke Scale
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-14 DOI: 10.1016/j.jocn.2025.111182
Peter Kuria Waweru , Samwel Maina Gatimu , Elijah Yulu , Stella Kibet , Dalphine Ndiema , Adam Mang’ombe , Sarah Shali Matuja , Innocent Kitandu Paul , Matilda K Basinda , Sospeter Berling , Gladness Xavier , Nassiuma Manakhe , Christine Tunkl , Patrick Lyden

Background

The severity of early neurologic deficits after stroke is the single most important predictor of post-stroke outcomes. Of all stroke severity scales, the National Institutes of Health Stroke Scale (NIHSS) is the most widely used. Despite being freely accessible, however, this tool remains underutilized in sub-Saharan Africa (SSA) likely due to absence of culturally adapted translations. For this reason, we translated the NIHSS to Swahili in a bid to promote its local use as an initial measure in the standardization of stroke care in the East African region. Swahili remains among the 10 most commonly spoken languages in the world, with over 200 million speakers, mostly centred in East Africa.

Methods

The NIHSS was translated into Swahili by a team of native Swahili speakers composed of two stroke physicians, two speech therapists and one nurse, and three independent translators in collaboration with the tool’s developer. Two Swahili translators performed forward translations of the original document from English to Swahili while a third independent translator performed backward translations to English, which was followed by clinician and cognitive reviews. Afterwards, reviewers from Kenya and Tanzania reviewed the tool for cross-cultural adaptation and international harmonisation. We further reconciled and generated a draft tool that was validated in Kenya and Tanzania.

Results

The NIHSS was translated into Swahili, a process that involved broad modifications of the tool including alterations of images, words and phrases to more locally familiar scenes and items. The results of validation of the Swahili version of the NIHSS in Kenya and Tanzania showed no significant differences with the original tool; with good interrater reliability in most domains.

Conclusions

The result of this process is a Swahili translation of the NIHSS that reflects the original tool. We expect the tool to help advance stroke care in Swahili-speaking regions.
{"title":"Swahili translation and cultural adaptation of the National Institutes of Health Stroke Scale","authors":"Peter Kuria Waweru ,&nbsp;Samwel Maina Gatimu ,&nbsp;Elijah Yulu ,&nbsp;Stella Kibet ,&nbsp;Dalphine Ndiema ,&nbsp;Adam Mang’ombe ,&nbsp;Sarah Shali Matuja ,&nbsp;Innocent Kitandu Paul ,&nbsp;Matilda K Basinda ,&nbsp;Sospeter Berling ,&nbsp;Gladness Xavier ,&nbsp;Nassiuma Manakhe ,&nbsp;Christine Tunkl ,&nbsp;Patrick Lyden","doi":"10.1016/j.jocn.2025.111182","DOIUrl":"10.1016/j.jocn.2025.111182","url":null,"abstract":"<div><h3>Background</h3><div>The severity of early neurologic deficits after stroke is the single most important predictor of post-stroke outcomes. Of all stroke severity scales, the National Institutes of Health Stroke Scale (NIHSS) is the most widely used. Despite being freely accessible, however, this tool remains underutilized in sub-Saharan Africa (SSA) likely due to absence of culturally adapted translations. For this reason, we translated the NIHSS to Swahili in a bid to promote its local use as an initial measure in the standardization of stroke care in the East African region. Swahili remains among the 10 most commonly spoken languages in the world, with over 200 million speakers, mostly centred in East Africa.</div></div><div><h3>Methods</h3><div>The NIHSS was translated into Swahili by a team of native Swahili speakers composed of two stroke physicians, two speech therapists and one nurse, and three independent translators in collaboration with the tool’s developer. Two Swahili translators performed forward translations of the original document from English to Swahili while a third independent translator performed backward translations to English, which was followed by clinician and cognitive reviews. Afterwards, reviewers from Kenya and Tanzania reviewed the tool for cross-cultural adaptation and international harmonisation. We further reconciled and generated a draft tool that was validated in Kenya and Tanzania.</div></div><div><h3>Results</h3><div>The NIHSS was translated into Swahili, a process that involved broad modifications of the tool including alterations of images, words and phrases to more locally familiar scenes and items. The results of validation of the Swahili version of the NIHSS in Kenya and Tanzania showed no significant differences with the original tool; with good interrater reliability in most domains.</div></div><div><h3>Conclusions</h3><div>The result of this process is a Swahili translation of the NIHSS that reflects the original tool. We expect the tool to help advance stroke care in Swahili-speaking regions.</div></div>","PeriodicalId":15487,"journal":{"name":"Journal of Clinical Neuroscience","volume":"135 ","pages":"Article 111182"},"PeriodicalIF":1.9,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Machine Learning-Based localization of the epileptogenic zone using High-Frequency oscillations from SEEG: A Real-World approach
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-13 DOI: 10.1016/j.jocn.2025.111177
Aswin Raghu , C.P. Nidhin , V.S. Sivabharathi , Pranav Rakesh Menon , Priyalakshmi Sheela , Remya Ajai , T.R. Krishnaprasad , Anand Kumar , Arjun Ramakrishnan , Siby Gopinath , Harilal Parasuram

Introduction

Localizing the epileptogenic zone (EZ) using Stereo EEG (SEEG) is often challenging through manual analysis. Even methods based on signal analysis have limitations in identifying the EZ, particularly in patients with neocortical epilepsy.

Methods

We developed machine learning (ML) methods that utilize HFO from SEEG recordings to train models to localize the EZ. We used data from 52 epilepsy patients (37 seizure free and 15 non-seizure free) who had epilepsy surgeries at our centre and were followed up for an average of 27.4 months. A total of 27 features encompassing statistical, linear, and nonlinear parameters were computed for HFOs from EZ and non-EZ brain areas. Performances of different classification algorithms were compared.

Results

In cases of mesial temporal lobe epilepsy, we achieved a cross-validation accuracy of 85.4% with the Extra-Trees classifier, 85.3% with the Random-Forest, and 82.1% with the Voting-classifier, using training data from ripples and fast ripples. For neocortical epilepsy patients, the extra trees classifier yielded an accuracy of 84.2%, while the random forest and voting classifiers attained accuracies of 84% and 80%, respectively.

Conclusion

In our approach, we employed a more realistic strategy by training the ML models at the SEEG contact level. This ensured that HFO data from a specific contact used for training the model was excluded from testing, thereby minimizing bias. This approach provides a more practical and applicable method for real-world use. Our findings indicate that the ML model-based localization of the EZ could function as an independent approach, potentially reducing the bias associated with visual analysis of SEEG.
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引用次数: 0
Diagnostic accuracy of MRI without gadolinium for follow-up of pilocytic astrocytoma in the paediatric population
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-13 DOI: 10.1016/j.jocn.2025.111173
Macfarlane Adam Ian , Soares Jewel Hannah , Maharaj Monish

Purpose

Pilocytic astrocytoma is the most common glial tumour in the paediatric population with a long-term life expectancy after surgery. Long-term radiological follow-up with magnetic resonance imaging (MRI) is necessary to detect recurrence of tumour or growth of residual tumour. Established MRI protocols typically dictate post-gadolinium sequences despite concerns around the side-effect and safety concerns of gadolinium-based contrast agents. This study aims to investigate whether omission of gadolinium-enhanced sequences for the long term follow-up MRI for paediatric patients with pilocytic astrocytoma, maintains diagnostic accuracy assessing potential recurrence or growth of residual tumour.

Methods

A retrospective review of follow-up MRI for 47 patients with histopathologically proven pilocytic astrocytoma was performed. Patients with optic pathway or suprasellar glioma were excluded from this study. All patients underwent surgery and had a minimum of 2 years of postoperative imaging for review. MRIs were chosen from most recent report of stability or at a time when growth/progression had been diagnosed. Two neuroradiologists and two paediatric neurosurgeons were randomly allocated a series of MRIs with gadolinium enhanced sequences removed, reviewers were blinded to the original report and subsequent treatment decisions. In addition, 30 paired MRI studies were randomly allocated to second review to test interobserver reliability. The reviewer responses were recorded and compared with the original report and analysed with respect to preserved diagnostic accuracy.

Results

170 MRI scans were subject to review across 66 episodes of care for 47 patients. 22.7 % of patients experienced growth of residual tumour during the period of follow-up. The sensitivity of non-enhanced MRI for detection of growth was 82 % (95 %CI 64.40–92.12) with a specificity of 97.10 % (95 % CI 90.03–99.20). Accuracy was similar for both neuroradiologists and neurosurgeons (91.49 % vs. 94 %). Interobserver reliability was calculated using Cohen’s Kappa co-efficient with a result of 0.792 showing substantial agreement. We also confirmed a statistically significant difference between gross total resection and sub-total resection and correlation with future growth (41 % vs. 0 %, n = 64, p = 0.001).

Conclusion

In paediatric patients who have undergone surgery for pilocytic astrocytoma, long term MRI follow-up without gadolinium-enhanced sequences maintains diagnostic accuracy compared with enhanced sequences. Omission of gadolinium-enhanced sequences may lead to decreased costs, duration of scans and anxiety around follow-up procedures.
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引用次数: 0
Endoscopic Endonasal Excision of Giant Pituitary Neuroendocrine Tumor with Subarachnoid extension
IF 1.9 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-03-13 DOI: 10.1016/j.jocn.2025.111175
Mohamed Amjad Jamaluddin , Sanal Mohan , Hiran Ramanan , R. Vijaynath , Mohammed Iqbal Jaser , Winston Markose , Palukuru Nikshith Kumar Reddy
Giant Pituitary Neuroendocrine Tumor, though challenging, if planned well can be removed endoscopically with help of significant bony drilling, angled scopes and suckers, and proper reconstruction.
巨大垂体神经内分泌瘤虽然具有挑战性,但如果计划得当,可以通过内窥镜进行切除,并辅以大量的骨钻孔、成角的探针和吸盘,以及适当的重建。
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引用次数: 0
期刊
Journal of Clinical Neuroscience
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