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Introduction: In the beginning of November 2023, the authors launched a neurosurgery department in Nouméa, New Caledonia. Emergency cranial surgeries are performed by orthopedic surgeons. All other cases are transferred to Australia or mainland France. Opening a neurosurgery department matches the current needs of the population. The department opened 10 inpatient beds on February 1st, 2024., First Neurosurgical Experience: During the first 3 months, 108 surgeries were performed: 32 cranial and 76 spinal. Surgical indications were mostly traumatic, degenerative, infectious, tumoral, vascular pathology, and cerebrospinal fluid resorption disorder., Patient Characteristics: There were 93 patients: 58 male, 35 female; median age, 53 years [IQR, 42 ; 65]. Median body mass index was 27.8 [23.4 ; 31.9]. Seven patients were admitted for spontaneous infection (7.5%). Eight (8.6%) were operated on for postoperative infection, including one cranial and one spinal infection initially managed elsewhere. These 15 patients had a median BMI of 31 [24.9 ; 34.4]., Conclusion: The permanent presence of two neurosurgeons seems justified. Some pathologies can be managed on-site, but transfers to centers in Australia or mainland France will remain necessary. We strongly recommend having such a first-line neurosurgery department in this type of isolated territory., (Copyright © 2024 Elsevier Masson SAS. All rights reserved.)

Background Context: Spondylodiscitis management presents significant clinical challenges, particularly in critically ill patients, where the risks and benefits of surgical intervention must be carefully balanced. The optimal timing of surgery in this context remains a subject of debate., Purpose: This study aims to evaluate the effectiveness of early surgery versus delayed surgery or conservative management in critically ill patients with de novo pyogenic spondylodiscitis., Study Design/setting: This is an international, multicenter retrospective cohort study involving 24 centers, primarily in Europe., Patient Sample: The study included 192 critically ill patients (65.63% male) with a median age of 69 years, all severely affected by pyogenic spondylodiscitis characterized by an initial CRP level >200 mg/l or the presence of two out of four Systemic Inflammatory Response Syndrome criteria upon admission., Outcome Measures: The primary outcome was 30-day mortality. Secondary outcomes included length of ICU stay, length of hospital stay, and relapse rates of spondylodiscitis., Methods: Patients were divided into three groups: early surgery (within three days of admission), delayed surgery (after three days of admission), and conservative therapy. Propensity score matching and multivariate regression analyses were performed to adjust for baseline differences and assess the impact of treatment modalities on mortality and other clinical outcomes., Results: Delayed surgery was associated with significantly lower 30-day mortality (4.05%) compared to early surgery (27.85%) and conservative therapy (27.78%) (p<.001). Delayed surgery also resulted in shorter hospital stays (42.76 days) compared to conservative therapy (55.53 days) and early surgery (26.33 days) (p<.001), and shorter ICU stays (4.52 days) compared to conservative therapy (16.48 days) and early surgery (7.92 days) (p<.001). The optimal window for surgery, minimizing mortality, was identified as ten to fourteen days post-admission (p=.02). Risk factors for increased mortality included age (p<.05), multiple organ failure (p<.05), and vertebral body destruction (p<.05), whereas delayed surgery (p<.05) and the presence of an epidural abscess were associated with reduced mortality (p<.05)., Conclusions: Delayed surgery, optimally between 10 to 14 days post-admission, was associated with lower mortality in critically ill spondylodiscitis patients. These findings highlight the potential benefits of considering surgical timing to improve patient outcomes., Competing Interests: Declaration of Competing Interest One or more of the authors declare financial or professional relationships on ICMJE-TSJ disclosure forms., (Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.)

Purpose: Deep brain stimulation (DBS) of nucleus ventralis intermedius thalami (Vim) is a validated technique for the treatment of essential tremor (ET) in adults. Conversely, its use for post traumatic tremor (PTT) and in paediatric patients is still debated. We evaluated the efficacy of Vim-DBS for lesional tremor in three paediatric patients with drug-resistant post-traumatic unilateral tremor., Methods: We retrospectively collected data regarding three patients with unilateral tremor due to severe head injury, with no MRI evidence of basal ganglia lesions. The three patients underwent stereotactic frame-based robot-assisted DBS of Vim contralateral to the tremor side., Results: Mean follow-up was 48 months (range: 36-60 months). Tremor was reduced in all patients with a better control of voluntary movements and improvement of functional status (mean FIM scale improvement + 7 points). No surgical complications occurred., Conclusion: Unilateral contralateral DBS of Vim could be efficacious in post-traumatic tremor, even in paediatric patients and should be offered in PTT drug-resistant patients., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Background: Anterior cervical discectomy and fusion (ACDF) and anterior cervical corpectomy and fusion (ACCF) represent effective alternatives in the management of multilevel cervical spondylotic myelopathy (CSM). A consensus on which of these techniques should be used is still missing., Methods: The databases of three centers were reviewed (January 2011-December 2018) for patients with three-level CSM, who underwent three-level ACDF without plating or two-level ACCF with expandable cage (VBRC) or mesh (VBRM). Demographic data, surgical strategy, complications, and implant failure were analyzed. The Neck Disability Index (NDI), the Visual Analog Scale (VAS), and the cervical lordosis were compared between the two techniques at 3 and 12 months. Logistic regression analyses investigated independent factors influencing clinical and radiological outcomes., Results: Twenty-one and twenty-two patients were included in the ACDF and ACCF groups, respectively. The median follow-up was 18 months. ACDFs were associated with better clinical outcomes at 12 months (NDI: 8.3% vs. 19.3%, p < 0.001; VAS: 1.3 vs. 2.6, p = 0.004), but with an increased risk of loss of lordosis correction ≥ 1° (OR = 4.5; p = 0.05). A higher complication rate in the ACDF group (33.3% vs. 9.1%; p = 0.05) was recorded, but it negatively influenced only short-term clinical outcomes. ACCFs with VBRC were associated with a higher risk of major complications but ensured better 12-month lordosis correction ( p = 0.002). No significant differences in intraoperative blood loss were noted., Conclusions: Three-level ACDF without plating was associated with better clinical outcomes than two-level ACCF despite worse losses in lordosis correction, which is ideal for fragile patients without retrovertebral compressions. In multilevel CSM, the relationship between the degree of lordosis correction and clinical outcome advantages still needs to be investigated.

Objective: Most brain biopsies are performed using the frame-based stereotactic technique and several studies describe the time taken and rate of complications, often allowing an early discharge. In comparison, neuronavigation-assisted biopsies are performed under general anesthesia and their complications have been poorly described. We examined the complication rate and determined which patients will worsen clinically., Methods: All adults who underwent a neuronavigation-assisted brain biopsy for a supratentorial lesion from Jan, 2015, to Jan, 2021, in the Neurosurgical Department of the University Hospital Center of Bordeaux, France, were analyzed retrospectively in accordance with the Strengthening the Reporting of Observational studies in Epidemiology (STROBE) statement. The primary outcome of interest was short-term (7 days) clinical deterioration. The secondary outcome of interest was the complication rate., Results: The study included 240 patients. The median postoperative Glasgow score was 15. Thirty patients (12.6 %) showed acute postoperative clinical worsening, including 14 (5.8 %) with permanent neurological worsening. The median delay was 22 h after the intervention. We examined several clinical combinations that allowed early postoperative discharge. A preoperative Glasgow prognostic score of 15, Charlson Comorbidity Index ≤ 3, preoperative World Health Organization Performance Status ≤ 1, and no preoperative anticoagulation or antiplatelet treatment predicted postoperative worsening (negative predictive value, 96.3 %)., Conclusion: Optical neuronavigation-assisted brain biopsies might require longer postoperative observation than frame-based biopsies. Based on strict preoperative clinical criteria, we consider to plan postoperative observation for 24 h a sufficient hospital stay for patients who undergo these brain biopsies., Competing Interests: Conflict of Interest Disclosures No author received support from any organization for this study or has financial relationships with any organization that might have an interest in the submitted work., (Copyright © 2023 Elsevier B.V. All rights reserved.)

Background: Erector spinae plane block is a locoregional anaesthetic technique widely used in several different surgeries due to its safety and efficacy. The aim of this study is to assess its utility in spinal degenerative and traumatic surgery in western countries and for patients of Caucasian ethnicity., Methods: Patients undergoing elective lower-thoracic and lumbar spinal fusion were randomised into two groups: the case group (n = 15) who received erector spinae plane block (ropivacaine 0.4% + dexamethasone 4 mg, 20 mL per side at the level of surgery) plus postoperative opioid analgesia, and the control group (n = 15) who received opioid-based analgesia., Results: The erector spinae plane block group showed significantly lower morphine consumption at 48 h postoperatively, lower need for intraoperative fentanyl (203.3 ± 121.7 micrograms vs. 322.0 ± 148.2 micrograms, p-value = 0.021), lower NRS score at 2, 6, 12, 24, and 36 h, and higher satisfaction rates of patients (8.4 ± 1.2 vs. 6.0 ± 1.05, p-value < 0.0001). No differences in the duration of the hospitalisation were observed. No erector spinae plane block-related complications were observed., Conclusions: Erector spinae plane block is a safe and efficient opioid-sparing technique for postoperative pain control after spinal fusion surgery. This study recommends its implementation in everyday practice and incorporation as a part of multimodal analgesia protocols., Trial Registration: The study was approved by the local ethical committee of Romagna (CEROM) and registered on ClinicalTrials.gov (NCT04729049). It also adheres to the principles outlined in the Declaration of Helsinki and the CONSORT 2010 guidelines., (© 2023. The Author(s).)

Background: The short pars and the narrowed surgical corridor for far lateral L5S1 herniation make the transpars approach challenging. The aim of this study is to determine the feasibility, efficacy, and safety of the transpars microscopic approach for the treatment of L5-S1 foraminal and extraforaminal lumbar disc herniation., Methods: From 2015 to 2019, patients with L5-S1 far lateral lumbar disc herniation were prospectively recruited. Drug intake, working days lost, NRS-leg, NRS-back, nerve-root palsy, Oswestry disability-index, Macnab criteria were recorded before surgery and at follow-up. Patients were seen at 1-6-12 months after surgery. Lumbar dynamic X-rays were performed at 6-12 months after surgery and again at 2-4 years after surgery. Key-steps of surgery are described., Results: Fourteen patients were enrolled. NRS-leg and NRS-back scores significantly improved (from 7.93 to 1.43 and from 3.2 to 0.6, respectively; P<0.0001). Oswestry Score significantly decreased (from 63.14 to 19.36 at 12 months; P<0.0001). L5 Root palsy improved in all cases (from 3.72/5 to 5/5; P<0.0001). At 12-months, excellent or good outcome (Macnab criteria) was achieved in 12 (85.7%) and 2 (14.3%) patients, respectively. All patients who were not retired returned to work within 30 days after surgery. No recurrence, instability or re-operations occurred., Conclusions: The trans pars microscopic approach is feasible, safe, and effective for L5-S1 foraminal and extraforaminal disc herniation. During surgery, the key-point is the oblique working angle, directed caudally, parallel to L5 pedicle. The iliac crest does not seem to constitute an obstacle.

Background: Microanastomosis is a challenging technique requiring continuous training to be mastered. Several models have been proposed, but few effectively reflect a real bypass surgery; even fewer are reusable, most are not easily accessible, and the setting is often quite long. We aim to validate a simplified, ready-to-use, reusable, ergonomic bypass simulator., Methods: Twelve novice and two expert neurosurgeons completed eight End-to-End (EE), eight End-to-Side (ES), and eight Side-to-Side (SS) microanastomoses using 2-mm synthetic vessels. Data on time to perform bypass (TPB), number of sutures and time required to stop potential leaks were collected. After the last training, participants completed a Likert Like Survey for bypass simulator evaluation. Each participant was assessed using the Northwestern Objective Microanastomosis Assessment Tool (NOMAT)., Results: When comparing the first and last attempts, an improvement of the mean TPB was registered in both groups for the three types of microanastomosis. The improvement was always statistically significant in the novice group, while in the expert group, it was only significant for ES bypass. The NOMAT score improved in both groups, displaying statistical significance in the novices for EE bypass. The mean number of leakages, and the relative time for their resolution, also tended to progressively reduce in both groups by increasing the attempts. The Likert score expressed by the experts was slightly higher (25 vs. 24.58 by the novices)., Conclusions: Our proposed bypass training model may represent a simplified, ready-to-use, reusable, ergonomic, and efficient system to improve eye-hand coordination and dexterity in performing microanastomoses., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2023 D'Andrea, Musio, Colasanti, Mongardi, Fuschillo, Lofrese and Tosatto.)

Purpose: Ventricular drainage remains a usual but challenging procedure for neurosurgical trainees. The objective of the study was to describe reliable skin landmarks for ideal entry points (IEPs) to catheterize brain ventricles via frontal and parieto-occipital approaches., Methods: We included 30 subjects who underwent brain MRI and simulated the ideal catheterization trajectories of lateral ventricles using anterior and posterior approaches and localized skin surface IEPs. The optimal frontal target was the interventricular foramen and that for the parieto-occipital approach was the atrium. We measured the distances between these IEPs and easily identifiable skin landmarks., Results: The frontal IEP was localized to 116.8 ± 9.3 mm behind the nasion on the sagittal plane and to 39.7 ± 4.9 mm lateral to the midline on the coronal plane. The ideal catheter length was estimated to be 68.4 ± 6.4 mm from the skin surface to the interventricular foramen. The parieto-occipital point was localized to 62.9 ± 7.4 mm above the ipsilateral tragus on the coronal plane and to 53.1 ± 9.1 mm behind the tragus on the axial plane. The ideal catheter length was estimated to be 48.3 ± 9.6 mm., Conclusion: The IEP for the frontal approach was localized to 11 cm above the nasion and 4 cm lateral to the midline. The IEP for the parieto-occipital approach was 5.5 cm behind and 6 cm above the tragus. These measurements lightly differ from the classical descriptions of Kocher's point and Keen's point and seem relevant to neurosurgical practice while using an orthogonal insertion., (© 2022. The Author(s), under exclusive licence to Springer-Verlag France SAS, part of Springer Nature.)

Background: Elderly patients present a higher risk of developing chronic subdural hematomas (CSDHs) together with increased risk of malnutrition. The nutritional status may affect outcomes, response to treatments, and prognosis. Influence on other kinds of diseases was investigated showing an increased risk of mortality, morbidity, and adverse outcomes. However, no studies are available on its possible role for the outcome of patients with CSDH. This study aims to evaluate a possible relationship between the nutritional status and the clinical outcome of patients who underwent CSDH surgery., Methods: This is a multicenter prospective study enrolling all patients treated for CSDH. Demographic and clinical data were collected. For nutritional status evaluation, we used the Mini Nutritional Assessment (MNA). Chi-square test was used for comparing clinical variables of patients and logistic regression analysis was used for defining the impact of the aforementioned variables on the clinical outcome., Results: We enrolled 178 patients. Modified Rankin scale (mRS) was 0-2 pre-operatively in 23.6% of patients and post-operatively in 61.2% of patients. Total assessment MNA score was >23.5 in 47.8% of patients. Ninety-three patients (52.2%) presented a normal nutritional status, 63 (35.4%) were at risk of malnutrition and 22 (12.4%) were malnourished. The mean follow-up was 2.6 months. Malnourished patients were at higher risk of a worse outcome (OR 81; CI = 9-750)., Conclusion: This study suggests that nutritional status represents a strong predictor of outcome. Our results, albeit preliminary, demonstrated malnutrition is correlated to the risk of worse clinical outcome for patients undergoing surgery for chronic subdural hematoma. Further investigations with wider casuistry and multiple nutritional scores are required to validate our data.

Purpose: In a previous cadaveric work, we identified and described useful and reproducible surface skin landmarks to lateral sulcus, central sulcus and preoccipital notch. Potential limitations of this cadaveric study have been raised. Thus, the objective of this study was to confirm radiologically the accuracy of these previously described surface skin landmarks on brain magnetic resonance imaging (MRI) of healthy subjects., Methods: Healthy adult volunteers underwent a high-resolution brain MRI and measurements of the orthogonal skin projection (OSP) of the anterior sylvian point (AsyP), the superior Rolandic point (SroP) and the parietooccipital sulcus were made from nasion, zygomatic bone and inion, respectively. These measures were compared to our previous cadaveric findings., Results: Thirty-one healthy volunteers were included. ASyP was 33 ± 2 mm above the zygomatic arch, and 32.3 ± 3 mm behind the orbital rim. The lateral sulcus was 63.5 ± 4 mm above the tragus. The SRoP was 196.9 ± 6 mm behind the nasion. The superior point of the parietooccipital sulcus was 76.0 ± 4 mm above the inion. These measurements are comparable to our previously described cadaveric findings., Conclusion: We here described three useful, simple and reproducible surface skin landmarks to lateral, central and parietooccipital sulci. Knowledge of these major landmarks is mandatory for Neurosurgical practice, especially in an emergency setting., (© 2022. The Author(s), under exclusive licence to Springer-Verlag France SAS, part of Springer Nature.)

Objective: Spinal cord tumors constitute a small part of spinal surgery owing to their rarity. This retrospective study describes their current management., Methods: Forty-eight patients were treated for an intramedullary tumor between 2014 and 2020 at a single institution. Patients' files were retrospectively studied. We detailed clinical status according to neurological deficit and ambulatory ability using the modified McCormick Scale, radiological features like number of levels, associated syringomyelia, surgical technique with or without intraoperative electrophysiological monitoring, pathological findings, and postoperative outcome., Results: The median age of this population was 43 years, including 5 patients under 18 years. The median delay before first neurosurgical contact was 3 months after the first clinical complaint. Treatment was gross total resection in 43.8%, subtotal resection in 50.0%, and biopsy in 6.2%. A laminectomy was performed for all the patients except 2 operated using the laminoplasty technique. Pathological findings were ependymoma in 43.8%, hemangioblastoma in 20.8%, and pilocytic astrocytoma in 10.4%. Six patients were reoperated for a tumor recurrence less than 2 years after the first surgical resection. One patient was reoperated for a postoperative cervical kyphosis., Conclusion: Intramedullary tumors are still a challenging disease and they are treated by various surgical techniques. They must be managed in a specialized center including a trained surgical, radiological, electrophysiological, and pathological team. Arthrodesis must be discussed before performing extensive laminectomy to avoid postoperative kyphosis.

Background: Acute traumatic epidural hematoma (EDH) is a complication in 2-3% of pediatric head injuries. Surgery is mandatory in symptomatic cases; otherwise, conservative treatment is a valid approach, especially in the pediatric population. Ossified epidural hematomas (OEHs) have been reported in the pediatric population as a rare complication of conservative EDH management, although the exact incidence remains unknown. The progressive increase in conservative management may lead to increases in the OEH incidence over the next few years. Our study aimed to systematically review OEH incidence, management strategies, characteristics (thickness, inner/outer calcifications), complication rates, time to surgery after the EDH diagnosis, and clinical outcomes., Summary: A systematic review was conducted in accordance with the PRISMA guidelines. Studies reporting diagnoses and clear descriptions of OEH after EDH in pediatric patients were considered eligible. Sixteen studies, including 18 pediatric patients aged 0-18 years, were included. Head trauma was the most common cause of OEH. Seven (38.8%) OEHs were treated less than 1 month after EDH diagnosis. Surgery was performed in 17 cases (94.44%), while 1 asymptomatic case (5.56%) was managed conservatively., Key Messages: Surgery was the most commonly used treatment for OEH. Data for conservative treatment of OEH are limited. Magnetic resonance imaging or ultrasound within the first 2 months, to check for EDH resolution, may be crucial to rule out complications in pediatric patients., (© 2022 S. Karger AG, Basel.)

Background: Different Dorsal root entry zone (DREZ) lesion techniques have been reported as effective treatment for intractable painful conditions, though with contradictory results. Overall, good results were reported especially in specific conditions, such as pain due to brachial plexus avulsion, spinal cord injuries and oncological pain management. However, data on long term results in different clinical conditions are still missing., Objective: This study aims to systematically review the pertinent literature to evaluate indications, clinical outcomes, and complications of DREZ lesion (DREZotomy), in chronic pain management., Methods: A systematic literature review was conducted according to the PRISMA statement. Papers on DREZotomy for chronic pain in cancer, brachial plexus avulsion, spinal cord injury, post herpetic neuralgia, and phantom limb pain were considered for eligibility. For each category we further identified two sub-group according to the length of follow up: medium term and long term follow up (more than 3 years) respectively., Results: 46 papers, and 1242 patients, were included in the present investigation. When considering long term results DREZotomy provided favorable clinical outcomes in brachial plexus avulsion and spinal cord injury, in 60.8% and 55.8% of the cases respectively. Conversely, the success rate was 35.3% in phantom limb pain and 28.2% in post herpetic neuralgia. A poor clinical outcome was reported in over than 25% of the patients suffering from phantom limb pain, post herpetic neuralgia and spinal cord injury. The mean complications rate was 23.58%. While BPA and SCI patients presented stable improvement over time, good outcomes among PHN and PLP groups dropped by - 46.2%; and - 14.7% at long term follow up respectively., Conclusion: DREZotomy seems to be an effective treatment for chronic pain conditions, especially for brachial plexus avulsion, spinal cord injury and intractable cancer/post-radiation pain. According to the low level of evidence of the pertinent literature, further studies are strongly recommended, to better define potential benefits and limitations of this technique., (Copyright © 2021 Elsevier B.V. All rights reserved.)

Tumors in primary sensory area are challenging to remove without causing a neurological deficit, especially in musicians who present complex neuronal networks. Indeed, in this kind of patients, somatosensory evoked potentials (SSEPs) are not plenty. We describe our experience for sensory and proprioception preservation in a professional clarinet player undergoing surgery for a right parietal glioblastoma. The patient underwent surgery for a right parietal glioblastoma. Intraoperative monitoring and awake surgery while playing instrument, were performed. During resection, intraoperative stimulation caused a transient impairment of left hand movements, without SSEPs alteration. The resection was stopped anytime there was a movement impairment. We obtained a gross total tumor resection. Patient did not present neurological deficits. Standard neurophysiological monitoring is fundamental but cannot be sufficient. More complex strategies of monitoring, such as awake surgery and playing an instrument could be of help for preserving complex sensory-motor functions., (© 2020. Belgian Neurological Society.)

Background: The artery of Wollschlaeger and Wollschlaeger is a tentorial branch of the superior cerebellar artery: due to its small diameter, it is not usually seen in normal angiograms except when enlarged in the setting of a dural AVF or tentorial meningioma. Its presence has been rarely described in the Literature., Case Report: herein we describe the first ever reported case of a vermian subtentorial arteriovenous malformation supplied by the artery of Wollschlaeger and Wollschlaeger in 70 year old female patient., Conclusion: vermian subtentorial AVMs supplied by the artery of Wollschlaeger and Wollschlaeger are extremely rare vascular malformations. The presence of the artery of Wollschlaeger and Wollschlaeger must be carefully evaluated during preoperative surgical planning due to its key role in the supply of vascular malformation and to decrease the risk of intra operative bleeding during surgery., (Copyright © 2021 Elsevier B.V. All rights reserved.)

Competing Interests: Conflict of Interest None declared.

Metastatic pheochromocytoma of the spine (MPS) represents an extremely rare and challenging entity. While retrospective studies and case series make the body of the current literature and case reports, no systematic reviews have been conducted so far. This systematic review aims to perform a systematic review of the literature on this topic to clarify the status of the art regarding the surgical management of MPS. A systematic review according to PRISMA criteria has been performed, including all studies written in English and involving human participants. 15 papers for a total of 44 patients were finally included in the analysis. The median follow-up was 26.6 months. The most common localization was the thoracic spine (54%). In 30 out of 44 patients (68%), preoperative medications were administered. Open surgery was performed as the first step in 37 cases (84%). Neoadjuvant treatments, including preoperative embolization were reported in 18 (41%) cases, while adjuvant treatments were administered in 23 (52%) patients. Among those patients who underwent primary aggressive tumor removal and instrumentation, 16 out of 25 patients (64%) showed stable disease with no progression at the final follow-up. However, the outcome was not reported in 14 patients. Gross total resection of the tumor and spinal reconstruction appear to offer good long-term outcomes in selected patients. Preoperative alpha-blockers and embolization appear to be useful to enhance hemodynamic stability, avoiding potential detrimental complications., Competing Interests: The authors declare no conflict of interest., (© 2021 The Author(s). Published by IMR Press.)

Internal jugular vein (IJV) stenosis is associated with several central nervous system disorders such as Ménière or Alzheimer's disease. The extrinsic compression between the styloid process and the C1 transverse process, is an emerging biomarker related to several clinical manifestations. However, nowadays a limited number of cases are reported, and few information are available about treatment, outcome and complications. Our aim is to collect and identify clinical-radiological characteristics, diagnosis and treatment of the styloidogenic internal jugular venous compression. We performed a comprehensive literature review. Studies reporting patients suffering from extracranial jugular stenosis were searched. For every patient we collected: demography, clinical and radiological characteristics and outcome, type of treatment, complications. Thirteen articles reporting 149 patients were included. Clinical presentation was non-specific. Most frequent symptoms were headache (46.3%), tinnitus (43.6%), insomnia (39.6%). The stenosis was monolateral in 51 patients (45.9%) and bilateral in 60 (54.1%). Anticoagulants were the most common prescribed drug (57.4%). Endovascular treatment was performed in 50 patients (33.6%), surgery in 55 (36.9%), combined in 28 (18.8%). Improvement of general conditions was reported in 58/80 patients (72.5%). Complications were reported in 23% of cases. Jugular stenosis is a complex and often underestimated disease. Conservative medical treatment usually fails while surgical, endovascular or a combined treatment improves general conditions in more than 70% of patients., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at http://dx.doi.org/10.21037/atm-20-7698). The authors have no conflicts of interest to declare., (2021 Annals of Translational Medicine. All rights reserved.)

Background: hemorrhagic cerebrovascular disease due to vascular malformations represents an emergency for neurosurgery and neuro-interventional departments. During the COVID-19 pandemic, a dramatic reduction in the number of hospitalizations for acute myocardial infarction or stroke and a larger time interval from symptom onset to first medical contact have been reported. This study aims to verify the hypothesis that there would also have been a reduction of admissions for hemorrhagic cerebrovascular disease during the Italian lockdown., Material and Method: s A multicenter, observational survey was conducted to collect data on hospital admissions for hemorrhagic cerebrovascular disease due to vascular malformations throughout two-months (March 15th to May 15th); the years 2020 (COVID-19 Italian lockdown), 2019 and 2018 were compared. Cases were identified by ICD-9 codes 430, 431, 432.1, 432.9, 747.81 of each hospital database. The statistical significance of the difference between the event rate of one year versus the others was evaluated using Poisson Means test, assuming a constant population., Results: During the 2020 lockdown, the total number of admissions for hemorrhagic cerebrovascular disease was 92 compared with 116 in 2019 and 95 in 2018. This difference was not significant. GCS upon admission was 3-8 in 44 % of cases in 2020 (41 patients), 39.7 % in 2019 (46 patients) and 28 % in 2018 (27 patients)., Conclusion: Reduction of admissions for hemorrhagic cerebrovascular disease due to vascular malformations during the COVID-19 lockdown was not confirmed. Nevertheless, some patients reached the emergency rooms only several days after symptoms onset, resulting in a worse clinical condition at admission., (Copyright © 2021 Elsevier B.V. All rights reserved.)

Background: Intracranial blister aneurysms (BAs) are challenging vascular lesions related to high morbidity and mortality rates. Different surgical and endovascular techniques have been proposed to treat BAs; however, there is no consensus on a preferred treatment., Objective: To systematically review the pertinent literature on clinical and radiological outcomes of different surgical treatments for BAs management, to meta-analyze their clinical and radiological outcomes, and compare these results with those from recent meta-analyses on endovascular treatments for BAs., Methods: The present study was consistently conducted according to the PRISMA guidelines. Five different online medical databases (PubMed, Medline, EMBASE, Scopus, and Web-of-Science) were screened from 2010 through 2020. Papers reporting clinical and radiological outcomes of different surgical treatments for BAs were considered. Event rates were pooled across studies using random-effects meta-analysis., Results: A total of 35 studies reporting on 514 patients (534 aneurysms) were included. Aneurysm clipping in 223 patients (45.4%; 95% CI 21.9-53.8), bypass and trapping in 87 (17.7%; 95% CI 1.89-21.6), clipping and wrapping in 82 (16.7%; 95% CI 3.71-19.0), and wrapping in 33 (6.7%; 95% CI 0.0-4.87) were the mostly common performed treatments. Complete occlusion rate was reported in 90.7% of patients. The complication rate was as high as 61.1%, the mortality rate was 7.4%, and the mean mRS at follow-up was 2.5., Conclusions: Our meta-analysis suggests that surgical treatments for BAs are related to higher occlusion, complications and mortality rate than endovascular strategies. However, there is a high-heterogeneity among the included studies and data are poorly reported; so comparing the two type of treatments is unreliable in order to establish which one is better., (Copyright © 2021 Elsevier B.V. All rights reserved.)

Background: Intraoperative localization of the correct spine level can be challenging when dealing with the thoracic spine; especially in morbidly obese patients and in mid-thoracic spine lesions. Different radiological reference markers techniques for dorsal surgery have been reported without a clear DAP (effective dose), localization and surgical time analysis., Purpose: The aim of the study is to analyze the radiological reference markers technique in terms of localization time and radiation dose during surgery for dorsal lesions., Methods: We used a radiopaque marker (fiducial) directly positioned before surgery over the lamina or the spinous process using CT scan for precise localization and vertebra count. We prospectively collected data about patients who underwent preoperative thoracic localization between April 2015 and September 2018 at Neurosurgery Department of Ferrara University Hospital. Clinical data as pathology, related surgical technique, radiological exams, localization time and radiation exposure were analyzed., Results: 19 patients who underwent preoperative radiopaque marker (fiducial) positioning and 11 patients who underwent fluoroscopy technique were enrolled. No complications related to fiducial placement and no wrong-level occurred. The localization time with the fiducial was reduced dramatically (3 min vs 15 min of the standard technique). The average DAP (effective dose) for the fiducial group was 20 Gy-cm 2 compared with 16 Gy-cm 2 of the traditional group., Conclusion: The use of preoperative fiducial for intraoperative localization of the target level in the thoracic spine dramatically reduce the location time without a significantly higher DAP (effective dose)., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2020 Elsevier Ltd. All rights reserved.)

Introduction: Achondroplasia is a genetic disorder characterized by defects in the development of endochondral bone resulting in skeletal abnormalities like stenosis of the foramen magnum and of the spine, shortened limb bones, and macrocephaly. Congenital spinal stenosis is frequent and due to premature fusion of the pedicles to the laminae., Case Presentation: We report a case of neurogenic bladder and fecal incontinence due to lumbar stenosis successfully treated with L1-L5 partial laminectomy and foraminotomy in a 7-year-old achondroplasic child., Discussion/conclusion: To our knowledge, this is the first case report of exclusive neurogenic bladder and fecal incontinence in an achondroplasic child. Neurogenic bladder and fecal incontinence without motor impairment may be early and exclusive clinical findings of lumbar stenosis in children with achondroplasia., (© 2021 S. Karger AG, Basel.)

Background: Epidermoids cysts are relatively rare, benign, congenital tumours, representing from 0.3% to 1.8% of all intracranial lesions. When extradural, they are most commonly reported in the temporal or parietal bones as intradiploic lesions; when intradural their most common location is the cerebellopontine angle and less frequently the middle cranial fossa. Herein we present a unique case of an extradural-intraosseous epidermoid cyst of the anterior clinoid process, integrating our single-case experience into a focused literature review of these lesions, when located in the middle cranial fossa., Case Description: A 49 years old man came to our attention with history of head trauma. Urgent brain CT and elective brain MRI showed imaging suggestive for an anterior clinoid process epidermoid cyst. Through a pterional approach, the lesion was completely removed with microsurgical endoscope assisted technique. MRI at one year follow up showed no recurrence., Methods: Current literature on epidermoid cysts located in middle cranial fossa was reviewed. A total of 22 papers, containing 70 epidermoid cyst were selected for the review. Symptoms at presentation; anatomic location; surgical approach; extent of resection and recurrence; outcome after surgery and at follow up were analysed for each case., Conclusions: In the 70 published cases of middle fossa epidermoid cysts, the majority presented with trigeminal neuralgia. Most of the cases were operated through a pterional approach, while recent literature showed an increasing interest in endonasal endoscopic techniques. Subtotal resection is not a straight predictive value for recurrence; post-operative neurological deficits incidence is low and generally resolve at follow-up., (Copyright © 2020 Elsevier B.V. All rights reserved.)

Background: Choroid plexus cysts (CPCs) are a type of neuroepithelial cysts, benign lesions located more frequently in the supratentorial compartment. Symptomatic CPCs in the posterior fossa are extremely rare and can be associated with obstructive hydrocephalus., Case Description: A previously healthy elderly woman suffered intermittent attacks of headache and vomiting associated with gait instability. Magnetic resonance imaging documented a large cystic lesion occupying all the fourth ventricle. An endoscope-assisted fenestration of the lesion through a telovelar approach determined only temporary improvement, hence a second surgery with gross total resection of the cyst was performed, with successful long-term clinical and radiologic resolution. Histology revealed CPC., Conclusions: Fourth ventricle symptomatic CPCs are extremely rare lesions, especially in the elderly. Their presence must be carefully evaluated as a possible rare cause of intermittent obstructive hydrocephalus. Even though cyst fenestration with restoration of the cerebrospinal fluid pathway represents the best treatment in the majority of cases, a more aggressive resection is sometimes necessary., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Background: The possible influence of different antithrombotic drugs on outcome after neurosurgical treatment of chronic subdural hematoma (CSDH) is still unclear. Nowadays, no randomized clinical trials are available. A metanalysis including 24 studies for a total of 1,812 pooled patients concluded that antiplatelets and anticoagulations present higher risk of recurrences. On the other hand, several studies highlighted that antithrombotic suspension, timing of surgery, and resumption of these drugs are still debated, and patients taking these present higher risk of thromboembolic events with no excess risk of bleed recurrences or worse functional outcome. Our assumption is that the real hemorrhagic risk related to antithrombotic drug continuation in CSDH may be overrated and the thromboembolic risk for discontinuation underestimated, especially in patients with high cardiovascular risk. Methods: A comprehensive literature review with the search terms "acetylsalicylic acid" and "chronic subdural x" was performed. Clinical status, treatment, time of drug discontinuation, complications (in particular, rebleeding or thromboembolic events), and clinical and radiological outcome at follow-up were evaluated. Results: Five retrospective studies were selected for the review, three of them reporting specifically low-dose acetylsalicylic intake and two of them general antithrombotic drugs for a total of 1,226 patients. Only two papers reported the thromboembolic rate after surgery; in one paper, it is not even divided from other cardiac complications. Conclusion: The literature review does not clarify the best management of low-dose acetylsalicylic in CSDH patients, in particular, concerning the balance between thromboembolic event rates and rebleeding risks. We do believe that CSDH precipitates the worsening of comorbidities with a resulting increased mortality. Further studies clearly evaluating the thromboembolic events are strongly needed to clarify this topic. In this perspective paper, we discuss the difficult choice of low-dose acetylsalicylic acid (LDAA) management in patients suffering from chronic subdural hematoma (CSDH). The balance between hemorrhagic and thromboembolic risks often represents a sword of Damocles for neurosurgeons, especially when dealing with patients with high cardiovascular risk. No guidelines are currently available, and a survey by Kamenova et al. showed that most neurosurgeons discontinue LDAA treatment for at least 7 days in the perioperative period of surgical evacuation of CSDH, even though recent studies show that early LDAA resumption might be safe. Thrombosis prophylaxis is administered by only 60%, even though patients with CSDH are at high risk of developing thromboembolic complications. We would like to bring attention to this controversial issue., (Copyright © 2020 Mongardi, Dones, Mantovani, De Bonis, Rustemi, Ricciardi, Cavallo and Scerrati.)

Purpose: To investigate the effects of deep brain stimulation (DBS) electrodes on the brain of a dystonic pediatric patient submitted to bilateral DBS of the globus pallidus internus (GPI)., Methods: An 8-year-old male patient underwent bilateral DBS of GPI for status dystonicus. He died 2 months later due to multiorgan failure triggered by bacterial pneumonia. A post-mortem pathological study of the brain was done., Results: At visual inspection, no grossly apparent softening, hemorrhage, or necrosis of the brain adjacent to the DBS lead tracts was detected. High-power microscopic examination of the tissue surrounding the electrode trajectories showed lymphocyte infiltration, astrocytic gliosis, microglia, macrophages, and clusters of multinucleate giant cells. Significant astrocytosis was confirmed by GFAP staining in the electrode site. The T cell lymphocyte activity was overexpressed with activated macrophages detected with CD3, CD20, CD45, and CD68 stains respectively. There was no gliosis or leukocyte infiltration away from the surgical tracks of the electrodes., Conclusion: This is the first post-mortem examination of a child's brain after bilateral DBS of GPI. The comparison with adult post-mortem reports showed no significant differences and confirms the safety of DBS implantation in the pediatric population too.

Recently, social media showed musicians performing pieces during awake surgery for brain diseases, such as tumors or dystonia. They tend to emphasize the use of intraoperative performance. Our aim is to review the literature on intraoperative performance in awake surgery for musicians, in order to understand if it is appropriate for all kind of procedures reported. We performed a comprehensive review of the literature with chosen keywords. We selected all papers regarding musicians who underwent awake surgery. The data extracted were analyzed. Literature search retrieved a total of 12 studies: among these, 5 studies reported musicians performing pieces during surgery. Google search returned a total of 11 cases. The ability to play an instrument involves multiple higher cognitive functions that remain not fully understood. During tumor resection or surgical treatment for epilepsies involving eloquent areas in musicians, an intraoperative musical performance could allow a more accurate monitoring of complex function, rather than the simple finger exercises and movements. On the other hand, treatment of dystonia follows standardized stereotactic procedures (DBS), the target is preset and determined by imaging and neurophysiology. The patient indeed, is awake mainly for side effects monitoring. However, in most cases, playing music did not improve or modify surgery. Intraoperative performances certainly generate amazement and interest, especially in the media and in non-experts. During tumor or brain lesion resection, intraoperative musical performances can avoid subsequent neurological al disturbances. However, in several procedures (DBS), playing music did not improve or modify surgery., (Copyright © 2020 Elsevier B.V. All rights reserved.)

Background: Treatment of isolated blow-in orbital roof fractures is still debated due to their anatomical complexity and the potential ocular and neurological related injuries. Surgery is advised in symptomatic cases while there is still controversy regarding the preferred treatment for those patients asymptomatic., Objective: To explore the suitability of a conservative management with close imaging follow-up in asymptomatic isolated blow-in orbital roof fractures., Methods: A single-case experience has been integrated into a systematic review of the literature to support the discussion on this specific traumatic lesion. Studies written in English and pertaining adult human subjects were further filtered according to the following eligibility criteria: clear definition of fracture's pattern, absence of concomitant cranio-facial injuries requiring management, proper description of treatment timing and outcome., Results: The literature regarding treatment of isolated orbital roof fractures is of poor quality partly due to the rarity of such lesions. A total of 4 studies limited to small case series with 13 patients in total discuss thoroughly management options and timing of treatment. In particular, displaced blow-in fractures were treated conservatively in 4 patients with only 2 benefitting from this approach. Our patient showed a spontaneous realignment of a posttraumatic blow-in orbital roof deformity and at 12-month follow-up conservative management appeared a safe and effective strategy. A short-term wait-and-see approach with aggressive follow-up imaging could probably represent a reasonable option for treatment of isolated blow-in orbital roof fractures without neurological or ocular symptoms. Since literature remains confined to limited case series, future multicenter studies adopting shared evaluation parameters would help in standardizing the indications for this subset of craniofacial injuries.

Background: Subependymal giant cell astrocytomas (SEGA) are benign tumors characteristic of tuberous sclerosis complex (TSC) that may cause hydrocephalus. Various treatments are nowadays available as mTOR inhibitors or surgery. Surgery is still a valid option especially for symptomatic and larger tumors., Methods: From January 1994 to December 2015, 31 TSC patients harboring SEGA underwent surgery at the Department of Neurosurgery of the Meyer Pediatric Hospital, Florence. Indications for surgery were tumor size and location, growth and cystization/hemorrhage, and hydrocephalus. Clinical data, preoperative and postoperative MRI, recurrence rate, further surgical procedures, and related complications were analyzed., Results: A total of 44 surgeries were performed in 31 TSC patients affected by SEGA, achieving gross total removal (GTR) and subtotal removal (STR), respectively, in 36 and 8 patients. Recurrences occurred in 11 patients; 9 of them underwent further surgical procedures and 2 were treated with mTOR pathway inhibitors. Surgical morbidity and mortality were, respectively, 22.7% and 2.3%. After a mean follow-up of 4.9 years, 90% of patients were tumor-free with good neurological status in 93.3%; twelve (40%) had a ventriculo-peritoneal shunt (VPS) for hydrocephalus., Conclusions: The present series confirms that the surgical approach, combined with mTOR inhibitors, is still a valid option for the treatment of SEGAs.

Introduction : Meningiomas represent the most common primary intracranial tumors. Today, surgical resection, followed by radiotherapy when indicated, is still the treatment of choice. In recent years, distinct oncogenic pathways have been identified, laying the foundations of new personalized targeted therapies. Areas covered : The aim of this study was to highlight the effects, complications, possible associations with other therapeutic approaches and multi-parametric outcome evaluation of Bevacizumab for the treatment of meningiomas. A literature review according to PRISMA criteria regarding the role of Bevacizumab for the treatment of various WHO grades of meningiomas was performed. 15 relevant papers, including 6 retrospective clinical trial series, 3 prospective trials, and 6 single patient case reports for a total of 134 patients and 211 meningiomas were include. Expert opinion : Because of the lack of strong clinical evidence about improved survival and related toxicity, the use of Bevacizumab for the treatment of meningiomas should be carefully evaluated. Further exploration, ideally with randomized controlled trials, is needed to better define the role of this drug in the treatment of meningiomas.

The aim of present report was to briefly review the history of the anatomical studies during the Italian Renaissance and to outline their relationship to the figurative arts, focusing, in particular, on neuroanatomical studies that have been at the center of the medical and philosophical debate from the 14th to 16th centuries. Therefore, we have presented the interpretation of different Renaissance masterpieces for which some references to brain anatomy have been previously reported. We propose a new interpretation, in neuroanatomical key, of the fresco of the universal judgment in the vault of San Giorgio's Cathedral in Ferrara, Italy, painted around the end of the 16th century., (Copyright © 2019 Elsevier Inc. All rights reserved.)

While several papers on mortality and the fusion rate in elderly patients treated surgically or non-surgically for odontoid fractures exist, little information is available on quality of life after treatment. The aim of treatment in these patients should not be fracture healing alone but also quality of life improvement.A literature search using PubMed identified seven papers including information on functional evaluation of 402 patients.Patients treated with anterior screw fixation had a good functional outcome in 92.6% of cases. This percentage seemed to decrease in octogenarians. Less information was available for patients treated with posterior approaches; it would seem that up to a half of such patients experienced pain and limitations in activities of daily living after surgery. Patients treated with a halo device had a functional outcome that was worse (or at least no better) than that of patients treated with surgery, with absence of limitations in activities of daily living in 77.3% of patients. Patients treated with a collar had a good functional outcome in the majority of cases, with absence of limitations in activities of daily living in 89% of patients.More studies are needed for evaluation of functional outcome, especially in patients treated with a collar, a halo device or a posterior approach.

Background: In children, when unresponsive neck rigidity and distress are observed after ear, nose and throat (ENT) surgical treatment or nasopharyngeal inflammation, Grisel's syndrome should be suspected. This is a rare syndrome involving non-traumatic rotatory subluxation of the atlantoaxial joint. Conservative management with external cervical orthoses and empirical antibiotic, muscle relaxant and analgesic therapy should be the first choice of treatment. Surgical stabilization is indicated when high-grade instability or failure of stable reduction are observed. The instability is graded according to the classification system devised by Fielding and Hawkins. Several recommendations for treatment are available in the literature, but there are no common guidelines. In this paper, the authors discuss the need for prompt diagnosis and treatment considerations., Case Description: Five children with Fielding type I-III rotatory subluxation are reported. Three patients were treated with a cervical collar, and one patient was treated with skull traction and sternal-occipital-mandibular immobilizer (SOMI) brace application. Surgical treatment was necessary for one patient after failure of initial conservative management. The intervals between the onset of torticollis and radiological diagnosis ranged from 12 to 90 days. A relationship between an increased grade of instability and delayed diagnosis was observed., Conclusion: In children with painful torticollis following ENT procedures or nasopharyngeal inflammation, Grisel's syndrome should always be suspected. Cervical magnetic resonance imaging (MRI) allows prompt and safe diagnosis, and a three-dimensional computed tomography (CT) scan provides better classification of the instability. Surgery, which is indicated in cases of high-grade instability or failure of conservative treatment, may be avoided with prompt diagnosis.

Objective: This study provides a systematic review and meta-analysis of psychiatric disorders caused by craniopharyngiomas and the hypothalamic alterations underlying these symptoms., Methods: We investigated a collection of 210 craniopharyngiomas reported from 1823 to 2017 providing detailed clinical and pathologic information about psychiatric disturbances, including 10 of our own series, and compared the hypothalamic damage in this cohort with the present in a control cohort of 105 cases without psychiatric symptoms., Results: Psychiatric disorders occurred predominantly in patients with craniopharyngiomas developing primarily at the infundibulotuberal region (45%) or entirely within the third ventricle (30%), mostly affecting adult patients (61%; P < 0.001). Most tumors without psychic symptoms developed beneath the third ventricle floor (53.5%; P < 0.001), in young patients (57%; P < 0.001). Psychiatric disturbances were classified in 6 major categories: 1) Korsakoff-like memory deficits, 66%; 2) behavior/personality changes, 48.5%; 3) impaired emotional expression/control, 42%; 4) cognitive impairments, 40%; 5) mood alterations, 32%; and 6) psychotic symptoms, 22%. None of these categories was associated with hydrocephalus. Severe memory deficits occurred with damage of the mammillary bodies (P < 0.001). Mood disorders occurred with compression/invasion of the third ventricle floor and/or walls (P < 0.012). Coexistence of other hypothalamic symptoms such as temperature/metabolic dysregulation or sleepiness favored the emergence of psychotic disorders (P < 0.008). Postoperative psychiatric outcome was better in strictly intraventricular craniopharyngiomas than in other topographies (P < 0.001). A multivariate model including the hypothalamic structures involved, age, hydrocephalus, and hypothalamic symptoms predicts the appearance of psychiatric disorders in 81% of patients., Conclusions: Craniopharyngiomas primarily involving the hypothalamus represent a neurobiological model of psychiatric and behavioral disorders., (Copyright © 2018 Elsevier Inc. All rights reserved.)

Severe traumatic brain injury (STBI) is characterized by a primary injury which cannot be reversed and a secondary injury that can be prevented or reversed. Management of STBI patients in intensive care mainly aims at preventing the secondary injury. Treatment aims to: reducing ICP pressure (that can result in an ischemic insult); avoiding hypotension, hyperthermia, or hypoxemia; maintaining a normal electrolytes homeostasis; treating the autonomic dysfunction syndrome, coagulopathies, acute kidney injury and maintaining an adequate nutrition. Many treatment protocols are already well established, while many others are still debated. Moreover, new frontiers in STBI management are represented by the neurovascular regeneration and neurorestoration which are showing very promising results even if most of them still need a clinical validation. In this paper we review standard of care, controversies and innovations in the medical treatment of STBI.

Objective: Chronic subdural hematoma (CSDH) is a common condition in the elderly, and the ageing of population will increase the number of "superaged" patients presenting this pathology for the years to come. Few studies investigating the outcome of superaged patients surgically treated for CSDH are available, and study populations are generally small. The outcome of surgically treated patients and risk factors are not completely clear. Aim of the work is to identify the risk factors which may influence the outcome of patients aged 80 years and older surgically treated for CSDH., Patients and Methods: This is a retrospective two-centre study including 151 surgically treated patients. A univariate (Fisher exact test) and multivariate (logistic regression) analysis of possible risk factors influencing outcome was performed. Outcome was expressed as: 6-month clinical outcome, 6-month mortality, complications and length of hospital stay., Results: Univariate analysis showed an association between Charlson Comorbidity Index (CCI) and 6-month clinical outcome (p = 0,048), complications (p = 0,034) and 6-month mortality (p = 0,007). Antithrombotic drugs were associated with longer hospital stay (p < 0,001). Logistic regression analysis showed an association between CCI and complications (p = 0,016, HR = 3,18) and 6-month mortality (p = 0,034, HR = 11,71), and between antithrombotic drugs and longer hospital stay (p = 0,002, HR = 3,07)., Conclusions: Age alone is not a predictor of bad outcome for patients aged 80 years and older surgically treated for CSDH. Charlson Comorbidity Index (CCI) may prove a valuable outcome predicting tool in these patients, and a longer hospital stay may be anticipated for patients under antithrombotic agents., (Copyright © 2018. Published by Elsevier B.V.)