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Journals Neurosurgery Clinics of North ...

Neurosurgery Clinics of North America

https://read.qxmd.com/read/36906334/current-applications-of-ablative-therapies-for-trigeminal-neuralgia
#21
REVIEW
Arpan R Chakraborty, Kerrin Sunshine, Jonathan P Miller, Jennifer A Sweet
Trigeminal neuralgia (TN) is a syndrome consisting of episodic neuropathic facial pain. Although the precise symptoms vary across individuals, TN is typically described as lancinating electrical shocks triggered by sensory stimuli (light touch, talking, eating, and brushing teeth) that improve with antiepileptic medication (especially carbamazepine), remit spontaneously for weeks to months (pain-free intervals), and do not involve any changes in baseline sensation. The etiology of TN has not been definitively established, but many cases are associated with compression of the trigeminal nerve by a blood vessel at the trigeminal root entry zone adjacent to the brainstem...
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906333/neurosurgical-applications-of-magnetic-hyperthermia-therapy
#22
REVIEW
Daniel Rivera, Alexander J Schupper, Alexandros Bouras, Maria Anastasiadou, Lawrence Kleinberg, Dara L Kraitchman, Anilchandra Attaluri, Robert Ivkov, Constantinos G Hadjipanayis
Magnetic hyperthermia therapy (MHT) is a highly localized form of hyperthermia therapy (HT) that has been effective in treating various forms of cancer. Many clinical and preclinical studies have applied MHT to treat aggressive forms of brain cancer and assessed its role as a potential adjuvant to current therapies. Initial results show that MHT has a strong antitumor effect in animal studies and a positive association with overall survival in human glioma patients. Although MHT is a promising therapy with the potential to be incorporated into the future treatment of brain cancer, significant advancement of current MHT technology is required...
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906332/learning-curve-analysis-and-adverse-events-after-implementation-of-neurosurgical-laser-ablation-treatment-a-population-based-single-institution-consecutive-series
#23
REVIEW
Margret Jensdottir, Ulrika Sandvik, Asgeir S Jakola, Michael Fagerlund, Annika Kits, Klara Guðmundsdóttir, Sara Tabari, Tomas Majing, Alexander Fletcher-Sandersjöö, Clark C Chen, Jiri Bartek
OBJECTIVE AND METHODS: We conducted a retrospective review of the first 30 patients treated with stereotactic laser ablation (SLA) at our institution since the introduction of the technique in September 2019. We aimed to analyze our initial results and potential learning curve by investigating precision and lesion coverage and assessing the frequency and nature of adverse events according to the Landriel-Ibanez classification for neurosurgical complications. RESULTS: Indications were de novo gliomas (23%), recurrent gliomas (57%), and epileptogenic foci (20%)...
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906331/laser-interstitial-thermal-therapy-for-epilepsy
#24
REVIEW
Jamie J Van Gompel, David B Burkholder, Jonathon J Parker, Sangeet S Grewal, Erik H Middlebrooks, Vance T Lehman, Kai J Miller, Eva C Alden, Timothy J Kaufmann
Laser interstitial thermal therapy is an important new technique with a diverse use in epilepsy. This article gives an up-to-date evaluation of the current use of the technique within epilepsy, as well as provides some guidance to novice users appropriate clinical cases for its use.
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906330/awake-laser-ablation-with-continuous-neuropsychological-testing-during-treatment-of-brain-tumors-and-epilepsy
#25
REVIEW
Silas Haahr Nielsen, Jane Skjøth-Rasmussen, Signe Delin Moldrup, Christina Malling Engelmann, Bo Jespersen, Rune Rasmussen
MR-guided laser interstitial thermal therapy (LITT) is feasible and safe in the awake patient. Awake LITT may be performed with analgesics for head fixation in a head-ring, no sedation during laser ablation, and with continuous neurological testing in patients with brain tumors and epilepsy. In the LITT treatment of lesions near eloquent areas and subcortical fiber tracts, neurological function can potentially be preserved by monitoring the patient during laser ablation.
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906329/posterior-fossa-laser-interstitial-thermal-therapy-in-children
#26
REVIEW
Giuseppe Mirone, Domenico Cicala, Giuseppe Cinalli
Real-time, MRI-guided laser interstitial thermal therapy (MRgLITT) is emerging as a minimally invasive technique for epilepsy surgery and for deep-seated tumors in the pediatric population. However, MRgLITT for posterior fossa lesions poses a unique challenge that is especially evident in this age range and remains understudied. In this study, we report our experience and analyze the current literature on MRgLITT for the treatment of posterior fossa in children.
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906328/laser-interstitial-thermal-therapy-for-radionecrosis
#27
REVIEW
Alexis Paul Romain Terrapon, Marie Krüger, Thomas Hundsberger, Marian Christoph Neidert, Oliver Bozinov
Radiotherapy is widely used for brain tumors but can cause radiation necrosis (RN). Laser interstitial thermal therapy (LITT) is a relatively new therapeutic modality for RN and its impact on patient outcome is still not well understood. Based on a systematic literature search (n=33), the authors discuss the available evidence. Most studies found a positive safety/efficacy profile, as LITT may help to lengthen survival, prevent progression, taper steroids, and improve neurological symptoms while remaining safe...
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906327/the-evolution-of-laser-induced-thermal-therapy-for-the-treatment-of-gliomas
#28
REVIEW
Purvee D Patel, Nitesh V Patel, Shabbar F Danish
Laser-induced thermal therapy (LITT) has evolved over the past two decades to treat a number of intracranial pathologies. Although it initially emerged as a salvage treatment of surgically inoperable tumors or recurrent lesions that had exhausted more conventional treatments, it is now being used as a primary, first-line treatment in certain instances with outcomes comparable to traditional surgical resection. The authors discuss the evolution of LITT in the treatment of gliomas and future directions, which may further enhance the efficacy of this procedure...
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36906326/history-of-ablation-therapies-in-neurosurgery
#29
REVIEW
Kristin Nosova, Esteban Quiceno, Amna Hussein, Oliver Bozinov, Peter Nakaji
Laser interstitial thermal therapy (LITT) and high-intensity focused ultrasound thermal ablation are treatment options with great potential to treat glioblastoma, metastasis, epilepsy, essential tremor, and chronic pain. Results from recent studies show that LITT is a viable alternative to conventional surgical techniques in select patient populations. Although many of the bases for these treatments have existed since the 1930s, the most important advancement in these techniques has occurred in the last 15 years and the coming years hold much promise for these treatments...
April 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424070/advances-in-the-field-of-chiari-i-malformation-and-integrating-them-into-clinical-practice
#30
EDITORIAL
David D Limbrick, Jeffrey R Leonard
No abstract text is available yet for this article.
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424069/adult-chiari-malformation-type-i-surgical-anatomy-microsurgical-technique-and-patient-outcomes
#31
REVIEW
Alisa Arnautovic, Mirza Pojskić, Kenan I Arnautović
In this study, the authors summarize the current knowledge on epidemiology, demographics, risk factors, and prognostic factors that influence outcomes in patients with adult Chiari malformation type I (CM-I) who underwent posterior fossa decompression surgery with duraplasty. Furthermore, they describe the contribution of their research group to the field of adult CM-I treatment, including association of increased body mass index with severity of CM-I and syringomyelia, relevant surgical anatomy, and surgical technique of 270° microsurgical decompression of foramen magnum...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424068/epidemiology-of-chiari-i-malformation-and-syringomyelia
#32
REVIEW
Katherine G Holste, Karin M Muraszko, Cormac O Maher
Chiari I malformation is a common condition seen by adult and pediatric neurosurgeons. With increased utilization of MRI over time, incidental findings of Chiari I malformation are occurring more frequently. The prevalence of symptomatic Chiari I malformation is much smaller than that of asymptomatic Chiari I malformation. The prevalence of Chiari I malformation-associated syringomyelia is likely overestimated in the literature. The epidemiology of Chiari I malformation and associated syringomyelia differs based on age, sex, ethnicity, race, and socioeconomic status...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424067/cerebrospinal-fluid-hydrodynamics-in-chiari-i-malformation-and-syringomyelia-modeling-pathophysiology
#33
REVIEW
John D Heiss
Anatomic MRI, MRI flow studies, and intraoperative ultrasonography demonstrate that the Chiari I malformation obstructs CSF pathways at the foramen magnum and prevents normal CSF movement through the foramen magnum. Impaired CSF displacement across the foramen magnum during the cardiac cycle increases pulsatile hindbrain motion, pressure transmission to the spinal subarachnoid space, and the amplitude of CSF subarachnoid pressure waves driving CSF into the spinal cord. Central canal septations in adults prevent syrinx formation by CSF directly transmitting its pressure wave from the fourth ventricle to the central canal...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424066/imaging-in-chiari-i-malformation
#34
REVIEW
Jonathan Pindrik, Aaron S McAllister, Jeremy Y Jones
Chiari I Malformation represents a hindbrain anomaly best demonstrated radiographically with MRI. Brain and spine MRI provide optimal anatomic detail of cerebellar tonsillar descent below the foramen magnum and may reveal additional imaging features including ventriculomegaly (potentially leading to the diagnosis of hydrocephalus), characteristics of intracranial hypertension or hypotension, spinal cord syrinx, scoliosis, and/or tethered spinal cord. Specialized imaging sequences provide enhanced visualization of ventral and dorsal cervicomedullary cisterns and cerebrospinal fluid flow...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424065/chiari-i-malformations-and-the-heritable-disorders-of-connective-tissue
#35
REVIEW
Meghan Ellington, Clair A Francomano
The heritable disorders of connective tissue (HDCTs) are a heterogeneous group of inherited disorders caused by pathogenic variants in genes encoding a wide range of molecules involved in the structure and function of the extracellular matrix. Currently, more than 450 HDCTs are recognized. These include the Ehlers-Danlos syndrome (EDS), Marfan syndrome, Loeys-Dietz syndrome (LDS), Stickler syndrome, and a wide range of skeletal dysplasias. Recent evidence suggests that people with the HDCTs are at an increased risk of Chiari I malformation (CM1)...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424064/elucidating-the-genetic-basis-of-chiari-i-malformation
#36
REVIEW
Gabe Haller, Brooke Sadler
Several studies have been performed to elucidate the genetic basis of Chiari I malformation (CM1). The heritability of CM1 is clear from twin studies, familial clustering, and the prevalence of CM1 among certain classes of Mendelian disorders, namely connective tissue disorders, brain overgrowth disorders, disorders of CSF homeostasis, certain tumors, disorders of skull development and vascular conditions. A comprehensive understanding of the causes of CM1 will require large cohorts of patients for genetic studies and in-depth phenotyping of cases to better understand the biological mechanisms underlying disease...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424063/orthostatic-intolerance-and-chiari-i-malformation
#37
REVIEW
Lindsay S Petracek, Peter C Rowe
Individuals with Chiari malformation can present with symptoms of fatigue, lightheadedness, and syncope-the cardinal features of orthostatic intolerance. Similar orthostatic symptoms can complicate the clinical course following Chiari decompression. The presence of orthostatic intolerance in patients with Chiari malformation is not surprising given the location of the major circulatory control centers and their pathways in the brainstem. This article reviews the normal physiologic response to upright posture and the common forms of orthostatic intolerance encountered in clinical practice...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424062/chiari-i-malformation-and-sleep-disordered-breathing
#38
REVIEW
Alexandria C Marino, Faraz Farzad, John A Jane
Sleep-disordered breathing (SDB) is a frequent symptomatic feature of pediatric Chiari I, reported in at least 24% of patients presenting to neurosurgeons. Here the epidemiology, natural history, pathophysiology, and diagnosis of SDB in Chiari I is reviewed. Diagnosis requires polysomnography, which should be pursued in young or symptomatic patients or those with prominent imaging findings. Review of case series of surgical decompression suggest that surgical decompression can improve SDB in selected patients...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424061/clinical-manifestations-of-chiari-i-malformation
#39
REVIEW
Ziyad Makoshi, Jeffrey R Leonard
Chiari 1 malformation (CM1) includes a spectrum of clinical manifestations. These signs and symptoms result from compression at the cervicomedullary junction and alteration in cerebrospinal fluid dynamics thus affecting several structures above, at, and below the cervicomedullary junction. Differences in presentation exist among different age groups and high clinical suspicion should be present in younger children. Additionally, CM1 can be associated with other diagnoses and can have unusual acute presentations that should be recognized to ensure excellent outcomes...
January 2023: Neurosurgery Clinics of North America
https://read.qxmd.com/read/36424060/cerebrospinal-fluid-leaks-spontaneous-intracranial-hypotension-and-chiari-i-malformation
#40
REVIEW
Rahul Kumar, Jeremy K Cutsforth-Gregory, Waleed Brinjikji
Spontaneous intracranial hypotension (SIH) occurs secondary to cerebrospinal fluid (CSF) hypovolemia in the setting of noniatrogenic spinal CSF leak. Although orthostatic headache is characteristic, atypical presentations can occur. Cranial imaging can disclose characteristic imaging features of SIH but spinal imaging is needed for leak localization. Although advanced diagnostic workup and treatment depend on the type of CSF leak, differentiation of SIH from other headache pathologic conditions, such as Chiari I malformation, is crucial to prevent misdiagnosis and ineffective treatment...
January 2023: Neurosurgery Clinics of North America
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