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The impact of hospital ownership on ischemic stroke outcomes: A National Inpatient Sample study 医院所有权对缺血性脑卒中结局的影响:一项全国住院患者样本研究
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-25 DOI: 10.1016/j.clineuro.2025.109217
Dora R. Tabachnick , Samuel A. Tenhoeve , Clayton Rawson , Deondra Montgomery , Denise Baloi , Michael Karsy

Objective

Stroke remains a leading cause of morbidity and mortality in the United States, with hospital ownership potentially influencing patient outcomes. This study evaluated how government-owned (GO) versus private for-profit (PFP) hospitals affect the length of stay (LOS), in-hospital mortality, and discharge disposition of stroke patients.

Methods

This retrospective cohort study used National Inpatient Sample (NIS) data from 2019 to 2021 to identify patients with ischemic stroke affecting the internal carotid, middle cerebral, vertebral, or basilar arteries. Patients were stratified by hospital ownership type and differences in clinical characteristics and outcomes, including LOS, mortality, and discharge disposition, were analyzed. Multivariable regression models assessed the impact of hospital ownership on outcomes, adjusting for age, race, NIH Stroke Scale (NIHSS), functional status, and socioeconomic factors.

Results

A total of 116,280 stroke patients were included, with 59,755 (51.4 %) treated at GO hospitals and 56,525 (48.6 %) PFP hospitals. Multivariate analysis revealed a protective effect of PFP hospitals on mortality rates (OR 0.70, 95 % CI: 0.65–0.75, p < 0.001), and a shorter LOS (β = −0.33, 95 % CI: −0.47 to −0.19, p < 0.001) when controlling for disease severity via the NIHSS. Further, PFP hospitals had higher odds of discharge to a non-home disposition (OR 1.11, 95 % CI: 1.06–1.16, p < 0.001).

Conclusions

PFP hospitals were associated with shorter LOS and lower mortality rates among stroke patients, but also with a decreased likelihood of discharge to home. After adjusting for disease severity, these disparities persisted. Further research is needed to explore the mechanisms underlying these disparities in patient outcomes based on hospital ownership.
在美国,中风仍然是发病率和死亡率的主要原因,医院所有权可能会影响患者的预后。本研究评估了公立医院(GO)与私立营利性医院(PFP)对中风患者住院时间(LOS)、住院死亡率和出院处置的影响。方法本回顾性队列研究使用2019年至2021年的全国住院患者样本(NIS)数据,确定影响颈内动脉、大脑中动脉、椎动脉或基底动脉的缺血性卒中患者。根据医院所属类型对患者进行分层,并分析临床特征和结局(包括LOS、死亡率和出院处置)的差异。多变量回归模型评估了医院所有权对结果的影响,调整了年龄、种族、NIH卒中量表(NIHSS)、功能状态和社会经济因素。结果共纳入脑卒中患者116,280例,其中GO医院59,755例(51.4 %),PFP医院56,525例(48.6 %)。多变量分析显示,当通过NIHSS控制疾病严重程度时,PFP医院对死亡率(OR = 0.70, 95 % CI: 0.65-0.75, p <; 0.001)和较短的LOS (β = - 0.33, 95 % CI: - 0.47至- 0.19,p <; 0.001)具有保护作用。此外,PFP医院有较高的非家庭安置出院几率(OR 1.11, 95 % CI: 1.06-1.16, p <; 0.001)。结论spfp医院与卒中患者较短的LOS和较低的死亡率有关,但也与出院回家的可能性降低有关。在对疾病严重程度进行调整后,这些差异仍然存在。需要进一步的研究来探索基于医院所有权的患者结果差异的机制。
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引用次数: 0
Novel liquid-gas exchange technique to reduce postoperative pneumocephalus in chronic subdural hematoma 新型液气交换技术减少慢性硬膜下血肿术后气脑。
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-25 DOI: 10.1016/j.clineuro.2025.109216
Li PingGen, X. Zheng, ZY Li, WJ Wu, WX Liu, GB Huang

Objective

Postoperative pneumocephalus after burr hole drainage for chronic subdural hematoma (CSDH) may delay brain re-expansion and worsen prognosis. This study assessed the "liquid–gas exchange" technique’s value in reducing intracranial air and promoting early brain re-expansion.

Method

A retrospective analysis included 147 CSDH patients who underwent single burr hole drainage (Jan 2021–Jul 2025). They were divided by intraoperative air evacuation: new technique group (n = 66) and conventional group (n = 81). Baseline characteristics (gender, age, medical history, antiplatelet/anticoagulant use, hematoma volume, bilaterality) were comparable (all P > 0.05). Surgical position, anesthesia type, postoperative pneumocephalus volume, symptomatic pneumocephalus, 1-week residual cavity volume, complications, and 3-month recurrence were compared.

Result

On postoperative day 1, pneumocephalus volume was lower in the new technique group (15.2 ± 8.1 mL vs. 32.5 ± 18.3 mL, P < 0.001). Tension pneumocephalus occurred in 12 conventional group cases (none in the new group, P = 0.003). At 1 week, residual cavity volume was smaller in the new group (24.5 ± 12.8 mL vs. 45.2 ± 18.5 mL, P < 0.001). Complications: 1 epilepsy case/group; no infections; 2 subdural bleeding cases (conventional group only, P = 0.643). At 3 months, 3 conventional group cases recurred (none in the new group, P = 0.115).

Conclusion

The "liquid–gas exchange" technique reduces postoperative pneumocephalus (especially symptomatic cases) and 1-week residual cavity volume, promoting early brain re-expansion and better prognosis, with high clinical value for wider use.
目的:慢性硬膜下血肿(CSDH)钻孔引流术后出现脑气可延缓脑再扩张,影响预后。本研究评估了“液气交换”技术在减少颅内空气和促进早期脑再扩张方面的价值。方法:回顾性分析147例CSDH患者(2021年1月- 2025年7月)。按术中空气抽放分为:新技术组(n = 66)和常规组(n = 81)。基线特征(性别、年龄、病史、抗血小板/抗凝剂使用、血肿量、双侧性)具有可比性(P均为 > 0.05)。比较手术体位、麻醉方式、术后气头体积、症状性气头、1周残留腔体积、并发症、3个月复发率。成交量产生迟发性结果:术后第一天,性较低的新技术集团( 15.2±8.1  32.5毫升与 ±18.3  mL, P 并发症:癫痫1例/组;没有感染,硬膜下出血2例(常规组,P = 0.643)。3个月时,常规组3例复发(新组无复发,P = 0.115)。结论:“液气交换”技术可减少术后气头(特别是有症状的病例),减少术后1周残留腔体积,促进早期脑再扩张,预后较好,具有较高的临床应用价值。
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引用次数: 0
Medication-overuse headache: Bridging therapies for detoxification 过度用药头痛:桥接解毒疗法。
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-25 DOI: 10.1016/j.clineuro.2025.109205
Benjamin R. Wakerley , Prut Koonalintip
Medication-overuse headache (MOH) or rebound headache is caused by frequent use of acute pain medications and often complicates chronic migraine. The exact cause for this association remains unknown but is likely to represent complex interplay between psychosocial factors, class of medication overused and the presence of polymorphic gene variants of pain pathways involved in migraine. The most important treatment strategy for MOH is withdrawal (also known as detoxification) of the overused acute medication, which has repeatedly been shown to achieve a significant reduction in monthly headache days at 8 weeks. Reducing or stopping acute medication, however, typically worsens pre-existing headache and depending on the class of medication overused, may also cause psychological and physical symptoms. Numerous ‘bridging’ therapies have been used to try and reduce the frequency and intensity of withdrawal headaches and the severity of accompanying symptoms to aid successful withdrawal. The aim of this narrative review was to examine the withdrawal process for different classes of acute medication and examine different pharmacological and non-pharmacological bridging therapies in MOH.
药物过度使用性头痛(MOH)或反跳性头痛是由频繁使用急性止痛药引起的,通常会并发慢性偏头痛。这种关联的确切原因尚不清楚,但可能代表了心理社会因素、过度使用的药物类别和偏头痛疼痛途径的多态性基因变异之间复杂的相互作用。卫生部最重要的治疗策略是停用(也称为解毒)过度使用的急性药物,这一再证明可在8周时显著减少每月头痛天数。然而,减少或停止急性药物治疗通常会加重先前存在的头痛,而且根据过度使用药物的类别,还可能导致心理和身体症状。许多“桥接”疗法已经被用来尝试减少戒断头痛的频率和强度以及伴随症状的严重程度,以帮助成功戒断。这篇叙述性综述的目的是检查不同类别的急性药物的停药过程,并检查卫生部不同的药理学和非药理学桥接疗法。
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引用次数: 0
Clinical and radiological outcomes of hypofractionated stereotactic radiotherapy for arteriovenous malformations: A retrospective analysis 低分割立体定向放射治疗动静脉畸形的临床和放射学结果:回顾性分析
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-25 DOI: 10.1016/j.clineuro.2025.109214
Dan Laukka , Lotta Niinikoski , Jussi Hirvonen , Riitta Rautio , Tiia Rissanen , Sami Suilamo , Pauliina Wright , Paula Lindholm , Melissa Rahi , Olli-Pekka Kämäräinen , Ilkka Haapala , Jaakko Rinne , Ville Vuorinen

Background

The long-term efficacy of hypofractionated stereotactic radiotherapy (HSRT) for complex arteriovenous malformations (AVMs) remains uncertain. This study aimed to evaluate clinical and radiological outcomes following HSRT for AVMs.

Methods

A retrospective review was conducted of 59 patients treated with stereotactic radiotherapy between 2003 and 2020 at a tertiary center. Thirty-seven patients who received HSRT were included. AVM volumes were independently assessed by two radiologists using MRI. Radiological follow-up was available in 36 patients, clinical follow-up in 37. Treatment failure was defined as re-bleeding, re-treatment, or death.

Results

Median radiological follow-up was 4.6 years (range, 0.7–17.2), and clinical follow-up was 5.0 years (range, 0–18.0). Total obliteration was observed in 28 % (10/36) and partial obliteration in 39 % (14/36). Median AVM volumes were 3.8 cc (IQR 2.5–11.5) for total obliteration, 23.6 cc (IQR 11.1–45.1) for partial, and 17.1 cc (IQR 6.9–35.0) for no response (p = 0.004). Median biological effective dose (BED) was 146.4 Gy (IQR 73.0–146.4) for total obliteration, 54.1 Gy (IQR 35.2–56.4) for partial, and 54.1 Gy (IQR 28.4–56.4) for no response (p = 0.003). Treatment failure rates were 11 %, 36 %, 56 %, and 78 % at 2, 5, 10, and 15 years, respectively. Re-bleeding occurred in 0 % with total obliteration, 36 % with partial, and 30 % with no response (p = 0.13).

Conclusions

HSRT provided limited long-term efficacy in complex AVMs, with a high rate of treatment failure. Smaller AVM volumes and higher BED were associated with better outcomes.
背景:低分割立体定向放疗(HSRT)治疗复杂动静脉畸形(avm)的长期疗效尚不确定。本研究旨在评估动静脉畸形HSRT后的临床和放射学结果。方法回顾性分析2003 ~ 2020年在某三级中心接受立体定向放疗的59例患者的临床资料。纳入37例接受HSRT的患者。AVM体积由两名放射科医生使用MRI独立评估。放射学随访36例,临床随访37例。治疗失败定义为再出血、再治疗或死亡。结果放射学随访中位数为4.6年(范围0.7-17.2年),临床随访为5.0年(范围0-18.0年)。28 %(10/36)完全闭塞,39 %(14/36)部分闭塞。全闭塞的中位AVM体积为3.8 cc (IQR 2.5-11.5),部分闭塞的中位AVM体积为23.6 cc (IQR 11.1-45.1),无应答的中位AVM体积为17.1 cc (IQR 6.9-35.0) (p = 0.004)。完全消失的中位生物有效剂量(BED)为146.4 Gy (IQR 73.0-146.4),部分消失的为54.1 Gy (IQR 35.2-56.4),无应答的为54.1 Gy (IQR 28.4-56.4) (p = 0.003)。2年、5年、10年和15年的治疗失败率分别为11 %、36 %、56 %和78 %。完全闭塞组再出血发生率为0 %,部分闭塞组为36 %,无应答组为30 % (p = 0.13)。结论shsrt治疗复杂性avm的远期疗效有限,治疗失败率高。较小的AVM体积和较高的BED与较好的结果相关。
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引用次数: 0
Impact of frailty on morbidity and mortality in traumatic blunt cerebrovascular injury 虚弱对外伤性钝性脑血管损伤发病率和死亡率的影响。
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-23 DOI: 10.1016/j.clineuro.2025.109208
William J. Smith , Paul Serrato , Shaila D. Ghanekar , Edwin Owolo , Bushra Fathima , Varun Padmanaban , Andrew B. Koo , Ganesh M. Shankar , Christopher J. Stapleton , James D. Rabinov , Charles C. Matouk , Aladine A. Elsamadicy , Aman B. Patel , Nanthiya Sujijantarat

Background

Although frailty is a known predictor of poor outcomes in surgical and critical care populations, its impact in blunt cerebrovascular injury (BCVI) has not been rigorously investigated. Our study aimed to evaluate the effect of frailty, as measured by the five-item modified Frailty Index (mFI-5), on clinical outcomes in BCVI patients.

Methods

We performed a retrospective cohort analysis of adult BCVI patients captured in the American College of Surgeons (ACS) Trauma Quality Programs (TQP) national database from 2017 to 2023. Patients were categorized as non-frail (mFI-5 =0), pre-frail (mFI-5 =1), or frail (mFI-5 ≥2). Demographics, comorbidities, injury characteristics, and clinical outcomes were analyzed. Multivariate logistic regression with model refinement using the Bayesian Information Criterion was used to identify independent predictors of adverse events (AE), non-routine discharges (NRD), and in-hospital mortality.

Results

Among 44,898 BCVI patients, 12 % were classified as frail. Falls were the predominant mechanism of injury in frail BCVI patients (53 %), while motor vehicle trauma was more common in non-frail patients (72 %); frail BCVI patients also sustained lower severity injuries (p < 0.001). Despite the more benign mechanism, frail patients had higher rates of AEs (Frail: 21 %; Non-frail: 18 %; Pre-frail: 18 %, p < 0.001), NRD (Frail: 67 %; Non-frail: 55 %; Pre-frail: 59 %, p < 0.001), and in-hospital mortality (Frail: 17 %; Non-frail: 15 %; Pre-frail: 13 %, p < 0.001). Frailty was an independent predictor of AEs (aOR 1.51, 95 %CI 1.37–1.66), in-hospital mortality (aOR 1.34, 95 %CI 1.18–1.52), and NRD (aOR 1.42, 95 %CI 1.30–1.54).

Conclusion

Despite lower injury severity and more benign trauma mechanisms, frail BCVI patients experienced significantly worse outcomes compared to non-frail and pre-frail patients.
背景:虽然虚弱是外科和重症监护人群预后不良的已知预测因素,但其对钝性脑血管损伤(BCVI)的影响尚未得到严格研究。我们的研究旨在评估虚弱对BCVI患者临床结局的影响,以五项修正的虚弱指数(mFI-5)来衡量。方法:我们对2017年至2023年美国外科医师学会(ACS)创伤质量计划(TQP)国家数据库中捕获的成年BCVI患者进行了回顾性队列分析。患者分为非虚弱(mFI-5 =0)、虚弱前期(mFI-5 =1)和虚弱(mFI-5 ≥2)。分析了人口统计学、合并症、损伤特征和临床结果。采用贝叶斯信息准则进行多变量logistic回归和模型改进,以确定不良事件(AE)、非常规出院(NRD)和住院死亡率的独立预测因子。结果:44,898例BCVI患者中,12% %为虚弱。跌倒是虚弱BCVI患者的主要损伤机制(53% %),而机动车创伤在非虚弱患者中更为常见(72% %);结论:尽管损伤严重程度较低,创伤机制更良性,但虚弱的BCVI患者与非虚弱和虚弱前患者相比,预后明显更差。
{"title":"Impact of frailty on morbidity and mortality in traumatic blunt cerebrovascular injury","authors":"William J. Smith ,&nbsp;Paul Serrato ,&nbsp;Shaila D. Ghanekar ,&nbsp;Edwin Owolo ,&nbsp;Bushra Fathima ,&nbsp;Varun Padmanaban ,&nbsp;Andrew B. Koo ,&nbsp;Ganesh M. Shankar ,&nbsp;Christopher J. Stapleton ,&nbsp;James D. Rabinov ,&nbsp;Charles C. Matouk ,&nbsp;Aladine A. Elsamadicy ,&nbsp;Aman B. Patel ,&nbsp;Nanthiya Sujijantarat","doi":"10.1016/j.clineuro.2025.109208","DOIUrl":"10.1016/j.clineuro.2025.109208","url":null,"abstract":"<div><h3>Background</h3><div>Although frailty is a known predictor of poor outcomes in surgical and critical care populations, its impact in blunt cerebrovascular injury (BCVI) has not been rigorously investigated. Our study aimed to evaluate the effect of frailty, as measured by the five-item modified Frailty Index (mFI-5), on clinical outcomes in BCVI patients.</div></div><div><h3>Methods</h3><div>We performed a retrospective cohort analysis of adult BCVI patients captured in the American College of Surgeons (ACS) Trauma Quality Programs (TQP) national database from 2017 to 2023. Patients were categorized as non-frail (mFI-5 =0), pre-frail (mFI-5 =1), or frail (mFI-5 ≥2). Demographics, comorbidities, injury characteristics, and clinical outcomes were analyzed. Multivariate logistic regression with model refinement using the Bayesian Information Criterion was used to identify independent predictors of adverse events (AE), non-routine discharges (NRD), and in-hospital mortality.</div></div><div><h3>Results</h3><div>Among 44,898 BCVI patients, 12 % were classified as frail. Falls were the predominant mechanism of injury in frail BCVI patients (53 %), while motor vehicle trauma was more common in non-frail patients (72 %); frail BCVI patients also sustained lower severity injuries (p &lt; 0.001). Despite the more benign mechanism, frail patients had higher rates of AEs (Frail: 21 %; Non-frail: 18 %; Pre-frail: 18 %, p &lt; 0.001), NRD (Frail: 67 %; Non-frail: 55 %; Pre-frail: 59 %, p &lt; 0.001), and in-hospital mortality (Frail: 17 %; Non-frail: 15 %; Pre-frail: 13 %, p &lt; 0.001). Frailty was an independent predictor of AEs (aOR 1.51, 95 %CI 1.37–1.66), in-hospital mortality (aOR 1.34, 95 %CI 1.18–1.52), and NRD (aOR 1.42, 95 %CI 1.30–1.54).</div></div><div><h3>Conclusion</h3><div>Despite lower injury severity and more benign trauma mechanisms, frail BCVI patients experienced significantly worse outcomes compared to non-frail and pre-frail patients.</div></div>","PeriodicalId":10385,"journal":{"name":"Clinical Neurology and Neurosurgery","volume":"259 ","pages":"Article 109208"},"PeriodicalIF":1.6,"publicationDate":"2025-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145399969","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
A systematic review of management strategies for post-craniotomy surgical site infections 开颅术后手术部位感染处理策略的系统综述
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-23 DOI: 10.1016/j.clineuro.2025.109212
Zekai Qiang, Matthew Myers, Toby Thomas, David Eagle, Ramez Ibrahim

Background

Post-craniotomy surgical site infections (SSIs) represent a significant complication associated with substantial morbidity, mortality, and healthcare burden. The optimal management of in such clinical scenario remains controversial and varies among clinicians. This systematic review comprehensively evaluates current evidence for post-craniotomy SSI, including bone flap retention versus removal.

Methods

Following PRISMA guidelines, Scopus, Web of Science, Medline, and Cochrane databases were systematically searched. Studies reporting outcomes of bone flap management following post-craniotomy SSIs were included. Data extraction encompassed patient demographics, surgical characteristics, infection details, management strategies, and clinical outcomes. Risk of bias in the included studies was assessed using the Oxford Centre for Evidence-Based Medicine (OCEBM) criteria.

Results

Nineteen studies encompassing 485 patients met the inclusion criteria, predominantly comprising retrospective case series (n = 17) of low evidence quality. Five distinct management strategies were identified: (1) bone flap removal without immediate reconstruction (240 patients, 49.5 %); (2) bone flap removal with immediate titanium cranioplasty (86 patients, 17.7 %); (3) bone flap retention with debridement/sterilisation (38 patients, 7.8 %); (4) bone flap retention with antibiotic irrigation systems (25 patients, 5.2 %); and (5) adjunctive hyperbaric oxygen therapy (31 patients, 6.4 %). Bone flap removal demonstrated more favourable infection resolution rates (ranging from 75.3 % to 100 %) compared to bone flap retention (range 64.5–100 %) but necessitated subsequent cranioplasty. Retention strategies showed promise in selected cases but exhibited higher infective recurrence rates, particularly in the presence of gross purulence.

Conclusions

Current evidence demonstrates significant heterogeneity in post-craniotomy SSI
management without clear consensus on optimal approaches. Bone flap removal remains the preferred strategy and yields the most reliable outcomes in cases of gross purulence, deep infection, osteomyelitis, sinonasal or otologic contamination, prior retention failure, or infection by relapse-prone organisms. Bone flap retention with meticulous debridement and sterilisation is appropriate for localised infections with viable bone and healthy soft tissue, while immediate titanium cranioplasty may be considered if the flap is unsalvageable but the operative field is clean, and closure is tension-free. In compromised patients, staged removal is generally safer. Future work should prioritise prospective comparative studies with standardised outcome measures and external validation of risk-stratified management algorithms.
背景:开颅手术后手术部位感染(ssi)是一种与发病率、死亡率和医疗负担相关的重要并发症。在这种临床情况下的最佳管理仍然存在争议,临床医生之间存在差异。本系统综述全面评估了目前开颅后SSI的证据,包括骨瓣保留与去除。方法按照PRISMA指南,系统检索Scopus、Web of Science、Medline和Cochrane数据库。研究报告了开颅术后ssi术后骨瓣处理的结果。数据提取包括患者人口统计、手术特征、感染细节、管理策略和临床结果。纳入研究的偏倚风险采用牛津循证医学中心(OCEBM)标准进行评估。结果19项共485例患者的研究符合纳入标准,主要是低证据质量的回顾性病例系列(n = 17)。确定了五种不同的治疗策略:(1)骨瓣切除,不立即重建(240例,49.5 %);(2)即刻钛骨成形术骨瓣切除(86例,17.7 %);(3)骨瓣保留合并清创/消毒(38例,7.8 %);(4)应用抗生素冲洗系统保留骨瓣(25例,5.2% %);(5)辅助高压氧治疗31例,占6.4 %。与保留骨瓣(64.5-100 %)相比,骨瓣切除显示出更有利的感染解决率(范围从75.3 %到100 %),但需要随后的颅骨成形术。保留策略在某些病例中显示出希望,但表现出较高的感染复发率,特别是在存在严重脓性的情况下。结论目前的证据表明,在开颅后的ssid治疗中存在显著的异质性,但在最佳入路上没有明确的共识。骨瓣切除仍然是首选策略,并且在严重脓毒、深部感染、骨髓炎、鼻窦或耳部污染、先前保留失败或易复发的微生物感染的情况下产生最可靠的结果。对于有活骨和健康软组织的局部感染,保留骨瓣并进行仔细的清创和消毒是合适的,而如果皮瓣无法修复,但手术区域干净,并且闭合无张力,则可以考虑立即钛骨成形术。对于受损患者,分阶段切除通常更安全。未来的工作应优先考虑具有标准化结果测量和风险分层管理算法外部验证的前瞻性比较研究。
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引用次数: 0
Cortical activation and postural instability according to dizziness severity: A functional near-infrared spectroscopy study 根据头晕严重程度的皮质激活和姿势不稳定:一项功能性近红外光谱研究
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-22 DOI: 10.1016/j.clineuro.2025.109209
Sang Seok Yeo , In Hee Cho

Purpose

Dizziness is a common clinical symptom that negatively affects balance, spatial orientation, and quality of life. While peripheral vestibular dysfunction has been widely studied, the central cortical mechanisms underlying dizziness remain poorly understood. Increasing evidence suggests that dizziness severity may alter multisensory integration and cortical compensation strategies. Therefore, the study aimed to investigate how the severity of dizziness influences cortical activation and postural stability using functional near-infrared spectroscopy (fNIRS) and center of pressure analysis during a tandem stance task.

Methods

Sixteen adults were divided into mild (n = 8) and moderate-to-severe (n = 8) dizziness groups based on dizziness handicap inventory and vertigo symptom scale–short form scores. Participants performed a tandem stance task under alternating eyes-open and eyes-closed conditions while cortical hemodynamics were recorded using fNIRS and postural sway was assessed using a force platform.

Results

Compared to the mild group, the moderate-to-severe dizziness group showed significantly increased oxyhemoglobin concentrations in the bilateral superior parietal lobule and the left superior temporal gyrus, suggesting increased cortical activation during postural control. Moreover, under eyes-closed conditions, the moderate-to-severe group demonstrated significantly greater postural sway in terms of sway length, ellipse surface, anteroposterior displacement, and average speed.

Conclusion

These findings suggest that greater dizziness severity is associated with increased neural compensation and reduced balance stability, particularly in the absence of visual input. fNIRS may serve as a valuable tool to assess cortical mechanisms in individuals with vestibular dysfunction.
目的头晕是一种常见的临床症状,对平衡、空间取向和生活质量产生负面影响。虽然外周前庭功能障碍已被广泛研究,但中枢皮质机制下的头晕仍然知之甚少。越来越多的证据表明,眩晕的严重程度可能改变多感觉统合和皮层补偿策略。因此,本研究旨在利用功能近红外光谱(fNIRS)和压力中心分析来研究眩晕严重程度对串联体位任务中皮质激活和姿势稳定性的影响。方法根据眩晕障碍量表和眩晕症状短表评分将16名成人分为轻度(n = 8)和中重度(n = 8)头晕组。参与者在交替睁眼和闭眼条件下进行串联站立任务,同时使用近红外光谱记录皮质血流动力学,并使用力平台评估姿势摇摆。结果与轻度组相比,中重度头晕组双侧顶叶上小叶和左侧颞上回的氧合血红蛋白浓度显著升高,提示体位控制过程中皮层激活增加。此外,在闭眼条件下,中重度组在摇摆长度、椭圆面、前后位移和平均速度方面表现出更大的姿势摇摆。结论:这些研究结果表明,更严重的头晕与神经代偿增加和平衡稳定性降低有关,特别是在没有视觉输入的情况下。近红外光谱可作为评估前庭功能障碍患者皮质机制的有价值的工具。
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引用次数: 0
The efficacy and safety of dexmedetomidine as an adjuvant to local anaesthetics in scalp nerve blocks in patients undergoing craniotomy: A systematic review and meta-analysis of randomized controlled trials 右美托咪定辅助局部麻醉治疗开颅患者头皮神经阻滞的有效性和安全性:一项随机对照试验的系统回顾和荟萃分析
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-22 DOI: 10.1016/j.clineuro.2025.109211
Ashwini Reddy , Prachi Sharma , Shoban Babu Varthya , Ravneet Kaur Gill , Ananya Ray , Rajeev Chauhan , Ankur Luthra , Narender Kaloria

Background

Craniotomy involves noxious stimuli such as skull pinning and dissection, causing hemodynamic instability and significant postoperative pain. Scalp nerve block (SNB) helps attenuate these responses. Dexmedetomidine, a selective α2-agonist, is effective as a perineural adjuvant in other blocks, but its role in SNB for craniotomy remains unclear. We evaluated its efficacy and safety as an SNB adjuvant in elective craniotomy.

Methods

A systematic review and meta-analysis of randomized controlled trials (RCTs) comparing SNB with local anesthetic plus dexmedetomidine versus controls was conducted. Primary outcomes were hemodynamic response to perioperative noxious stimuli and postoperative pain scores; secondary outcomes were intraoperative opioid use, rescue analgesia, and adverse events. Data synthesis used RevMan 5.4; risk of bias was assessed with RoB 2.0 and certainty with GRADE.

Results

Seven RCTs (n = 528) were included. Dexmedetomidine significantly reduced heart rate (MD –8.1 bpm) and mean arterial pressure (MD –8.5 mmHg) at pin fixation, lowered pain scores at 24 h (SMD –0.31) and 48 h (SMD –0.35), prolonged time to first rescue analgesia by 215 min, and decreased intraoperative fentanyl (SMD –1.02) and rescue tramadol use (SMD –0.92). No serious adverse events were reported. Certainty of evidence was low to very low due to risk of bias, heterogeneity, and imprecision.

Conclusion

Dexmedetomidine as an SNB adjuvant may improve perioperative hemodynamic stability and postoperative analgesia in craniotomy. However, given the overall low certainty of evidence and methodological limitations of existing RCTs, these findings should be interpreted cautiously. Larger, high-quality multicenter trials are needed to confirm efficacy and establish optimal dosing.
开颅术涉及有害的刺激,如颅骨钉住和剥离,引起血流动力学不稳定和明显的术后疼痛。头皮神经阻滞(SNB)有助于减轻这些反应。右美托咪定是一种选择性α2激动剂,在其他阻滞中作为神经周围佐剂是有效的,但其在开颅SNB中的作用尚不清楚。我们评估了其作为选择性开颅术中SNB辅助剂的有效性和安全性。方法对局麻药加右美托咪定与对照组的随机对照试验(rct)进行系统评价和meta分析。主要结局是围手术期有害刺激的血流动力学反应和术后疼痛评分;次要结局是术中阿片类药物使用、抢救性镇痛和不良事件。数据综合使用RevMan 5.4;偏倚风险用RoB 2.0评估,确定性用GRADE评估。结果共纳入7项rct (n = 528)。右美托咪定显著降低针固定时心率(MD -8.1 bpm)和平均动脉压(MD -8.5 mmHg),降低疼痛评分24 h (SMD -0.31)和48 h (SMD -0.35),延长首次抢救镇痛时间215 min,减少术中芬太尼(SMD -1.02)和曲马多抢救使用(SMD -0.92)。无严重不良事件报告。由于存在偏倚、异质性和不精确的风险,证据的确定性从低到非常低。结论右美托咪定作为SNB佐剂可改善开颅手术围术期血流动力学稳定性和术后镇痛。然而,考虑到证据的总体低确定性和现有随机对照试验的方法学局限性,这些发现应谨慎解释。需要更大规模、高质量的多中心试验来确认疗效并确定最佳剂量。
{"title":"The efficacy and safety of dexmedetomidine as an adjuvant to local anaesthetics in scalp nerve blocks in patients undergoing craniotomy: A systematic review and meta-analysis of randomized controlled trials","authors":"Ashwini Reddy ,&nbsp;Prachi Sharma ,&nbsp;Shoban Babu Varthya ,&nbsp;Ravneet Kaur Gill ,&nbsp;Ananya Ray ,&nbsp;Rajeev Chauhan ,&nbsp;Ankur Luthra ,&nbsp;Narender Kaloria","doi":"10.1016/j.clineuro.2025.109211","DOIUrl":"10.1016/j.clineuro.2025.109211","url":null,"abstract":"<div><h3>Background</h3><div>Craniotomy involves noxious stimuli such as skull pinning and dissection, causing hemodynamic instability and significant postoperative pain. Scalp nerve block (SNB) helps attenuate these responses. Dexmedetomidine, a selective α2-agonist, is effective as a perineural adjuvant in other blocks, but its role in SNB for craniotomy remains unclear. We evaluated its efficacy and safety as an SNB adjuvant in elective craniotomy.</div></div><div><h3>Methods</h3><div>A systematic review and meta-analysis of randomized controlled trials (RCTs) comparing SNB with local anesthetic plus dexmedetomidine versus controls was conducted. Primary outcomes were hemodynamic response to perioperative noxious stimuli and postoperative pain scores; secondary outcomes were intraoperative opioid use, rescue analgesia, and adverse events. Data synthesis used RevMan 5.4; risk of bias was assessed with RoB 2.0 and certainty with GRADE.</div></div><div><h3>Results</h3><div>Seven RCTs (n = 528) were included. Dexmedetomidine significantly reduced heart rate (MD –8.1 bpm) and mean arterial pressure (MD –8.5 mmHg) at pin fixation, lowered pain scores at 24 h (SMD –0.31) and 48 h (SMD –0.35), prolonged time to first rescue analgesia by 215 min, and decreased intraoperative fentanyl (SMD –1.02) and rescue tramadol use (SMD –0.92). No serious adverse events were reported. Certainty of evidence was low to very low due to risk of bias, heterogeneity, and imprecision.</div></div><div><h3>Conclusion</h3><div>Dexmedetomidine as an SNB adjuvant may improve perioperative hemodynamic stability and postoperative analgesia in craniotomy. However, given the overall low certainty of evidence and methodological limitations of existing RCTs, these findings should be interpreted cautiously. Larger, high-quality multicenter trials are needed to confirm efficacy and establish optimal dosing.</div></div>","PeriodicalId":10385,"journal":{"name":"Clinical Neurology and Neurosurgery","volume":"259 ","pages":"Article 109211"},"PeriodicalIF":1.6,"publicationDate":"2025-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145360063","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
Decompressive craniectomy following traumatic brain injury in pediatric patients: An aggregative and individual patient data meta-analysis 儿童创伤性脑损伤后减压颅骨切除术:一项综合和个体患者数据荟萃分析
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-22 DOI: 10.1016/j.clineuro.2025.109210
Anant Naik , Cesar Ramirez , Brandon Hoglund , Ankitha Iyer , Umaru Barrie , Carolina Sandoval-Garcia , Andrew S. Venteicher , Daniel Guillaume , Paul M. Arnold

Objective

Traumatic brain injury (TBI) in pediatric patients is associated with significant mortality. Management ranges from conservative treatment to decompressive craniectomy (DC). Current guidelines weakly recommend DC in pediatric patients experiencing neurologic deterioration, herniation, or refractory intracranial hypertension. There are significant deficits in the literature regarding the benefits and optimal timing of DC for pediatric TBI. The objective of this review is to address these gaps via the largest meta-analysis on this subject to date.

Methods

Several electronic databases were searched for articles investigating the utility of DC for patients under 18 years of age suffering from TBI. The primary outcome measures evaluated included in-hospital mortality and Glasgow Outcomes Scale (GOS) scores. Risk of bias was assessed using the Newcastle-Ottawa Scale and Egger’s test. Fixed- or random-effects models were employed based on study heterogeneity. A meta-regression was performed for the pooled main effect.

Results

39 studies with 1332 patients were included for aggregate meta-analysis. No significant difference in mortality or GOS between patients managed with DC versus medical management was observed in this cohort. The results of the multivariable meta-regression in this cohort demonstrated younger age and midline shift greater than 5 mm (MLS) were associated with increased mortality. Intraparenchymal hemorrhage, subarachnoid hemorrhage, high ICP at presentation, delayed DC > 5 days, and unilateral DC were associated with unfavorable neurological outcomes.

Conclusion

No significant difference in outcomes was identified between DC versus medical management for severe TBI. Several patient factors were identified that are significantly associated with unfavorable outcomes after DC.
目的:小儿创伤性脑损伤(TBI)患者死亡率高。治疗范围从保守治疗到减压颅骨切除术(DC)。目前的指南不推荐有神经系统恶化、疝突出或难治性颅内高压的儿科患者行DC。关于DC治疗儿童TBI的益处和最佳时机,文献中存在明显的缺陷。本综述的目的是通过迄今为止关于这一主题的最大规模的荟萃分析来解决这些差距。方法从多个电子数据库中检索有关DC治疗18岁以下TBI患者的文章。评估的主要结局指标包括住院死亡率和格拉斯哥结局量表(GOS)评分。偏倚风险采用纽卡斯尔-渥太华量表和艾格检验进行评估。基于研究异质性,采用固定或随机效应模型。对合并的主效应进行meta回归。结果39项研究共1332例患者被纳入meta分析。在本队列中,采用DC治疗的患者与采用医学治疗的患者在死亡率或GOS方面没有显著差异。该队列的多变量荟萃回归结果显示,年龄越小,中线位移大于5 mm (MLS)与死亡率增加相关。脑实质内出血、蛛网膜下腔出血、首发时高颅内压、延迟DC >; 5天和单侧DC与不利的神经预后相关。结论DC治疗与内科治疗对重度TBI的预后无显著差异。确定了与DC术后不良结果显著相关的几个患者因素。
{"title":"Decompressive craniectomy following traumatic brain injury in pediatric patients: An aggregative and individual patient data meta-analysis","authors":"Anant Naik ,&nbsp;Cesar Ramirez ,&nbsp;Brandon Hoglund ,&nbsp;Ankitha Iyer ,&nbsp;Umaru Barrie ,&nbsp;Carolina Sandoval-Garcia ,&nbsp;Andrew S. Venteicher ,&nbsp;Daniel Guillaume ,&nbsp;Paul M. Arnold","doi":"10.1016/j.clineuro.2025.109210","DOIUrl":"10.1016/j.clineuro.2025.109210","url":null,"abstract":"<div><h3>Objective</h3><div>Traumatic brain injury (TBI) in pediatric patients is associated with significant mortality. Management ranges from conservative treatment to decompressive craniectomy (DC). Current guidelines weakly recommend DC in pediatric patients experiencing neurologic deterioration, herniation, or refractory intracranial hypertension. There are significant deficits in the literature regarding the benefits and optimal timing of DC for pediatric TBI. The objective of this review is to address these gaps via the largest meta-analysis on this subject to date.</div></div><div><h3>Methods</h3><div>Several electronic databases were searched for articles investigating the utility of DC for patients under 18 years of age suffering from TBI. The primary outcome measures evaluated included in-hospital mortality and Glasgow Outcomes Scale (GOS) scores. Risk of bias was assessed using the Newcastle-Ottawa Scale and Egger’s test. Fixed- or random-effects models were employed based on study heterogeneity. A meta-regression was performed for the pooled main effect.</div></div><div><h3>Results</h3><div>39 studies with 1332 patients were included for aggregate meta-analysis. No significant difference in mortality or GOS between patients managed with DC versus medical management was observed in this cohort. The results of the multivariable meta-regression in this cohort demonstrated younger age and midline shift greater than 5 mm (MLS) were associated with increased mortality. Intraparenchymal hemorrhage, subarachnoid hemorrhage, high ICP at presentation, delayed DC &gt; 5 days, and unilateral DC were associated with unfavorable neurological outcomes.</div></div><div><h3>Conclusion</h3><div>No significant difference in outcomes was identified between DC versus medical management for severe TBI. Several patient factors were identified that are significantly associated with unfavorable outcomes after DC.</div></div>","PeriodicalId":10385,"journal":{"name":"Clinical Neurology and Neurosurgery","volume":"259 ","pages":"Article 109210"},"PeriodicalIF":1.6,"publicationDate":"2025-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145360581","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
Leukoencephalopathy with primary familial brain calcification: A rare phenotype associated with a novel SLC20A2 frameshift 伴有原发性家族性脑钙化的脑白质病:一种与新型SLC20A2移码相关的罕见表型。
IF 1.6 4区 医学 Q3 CLINICAL NEUROLOGY Pub Date : 2025-10-22 DOI: 10.1016/j.clineuro.2025.109207
Akihiko Kudo, Hiroaki Yaguchi, Taichi Nomura, Hisashi Uwatoko, Shinichi Shirai, Ikuko Takahashi-Iwata, Masaaki Matsushima, Takahiro Yamada, Ichiro Yabe
{"title":"Leukoencephalopathy with primary familial brain calcification: A rare phenotype associated with a novel SLC20A2 frameshift","authors":"Akihiko Kudo,&nbsp;Hiroaki Yaguchi,&nbsp;Taichi Nomura,&nbsp;Hisashi Uwatoko,&nbsp;Shinichi Shirai,&nbsp;Ikuko Takahashi-Iwata,&nbsp;Masaaki Matsushima,&nbsp;Takahiro Yamada,&nbsp;Ichiro Yabe","doi":"10.1016/j.clineuro.2025.109207","DOIUrl":"10.1016/j.clineuro.2025.109207","url":null,"abstract":"","PeriodicalId":10385,"journal":{"name":"Clinical Neurology and Neurosurgery","volume":"259 ","pages":"Article 109207"},"PeriodicalIF":1.6,"publicationDate":"2025-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145400014","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
期刊
Clinical Neurology and Neurosurgery
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