Stereotactic/Functional

Read the latest findings in Neurosurgery Watch related to stereotactic and functional neurosurgery and improve your practice with new approaches and techniques.

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Hemorrhage risk and Radiosurgery outcomes for Pediatric AVM

March 1, 2017
Cerebrovascular, Pediatrics, Stereotactic & Functional
By: 
Brandon G. Rocque, MD, MS
Source: 
Journal of Neurosurgery

The International Gamma Knife Research Foundation presented 2 pediatric brain arteriovenous malformations (AVM) reports: 1) the incidence and risk for hemorrhagic presentation, and 2) radiosurgery outcomes. Retrospective review of 357 patients (mean age of 12.6 years) from 7 centers: all...

TU

Radiosurgery with and without whole brain radiation for metastases: A randomized clinical trial

August 30, 2016
Stereotactic & Functional, Tumor
By: 
Jonathan Sherman, MD
Source: 
JAMA

A prospective, multicenter, randomized cohort trial compared the post-treatment cognitive function of patients with 1 to 3 brain metastases treated with either stereotactic radiosurgery alone (SRS) (n = 111) or stereotactic radiosurgery plus whole brain radiation therapy (WBRT) (n=102). The...

Deep Brain Stimulation Efficacious for Treatment Resistant Depression

May 2, 2016
Stereotactic & Functional
By: 
Shervin Rahimpour, MD
Shivanand P. Lad, MD, PhD
Source: 
JAMA Psychiatry

Deep Brain Stimulation (DBS) is an evolving therapy for psychiatric disorders, specifically treatment-resistant depression (TRD). In this study by Bergfeld and colleagues, stimulation of the ventral anterior limb of the internal capsule (vALIC) for TRD is revisited with a more...

Comparing GPi vs STN deep brain stimulation for advanced Parkinson disease

April 5, 2016
Stereotactic & Functional
By: 
Jason M. Schwalb, MD
Bradley Merker, PhD
Source: 
Neurology

Is GPi or the STN is the optimal target for Deep Brain Stimulation (DBS) for Parkinson Disease (PD)? 3-year follow-up results reported from the Netherlands NSTAPS prospective controlled trial show STN DBS provides more off-phase motor improvement, with a similar...

PA

Occipital Nerve Stimulation for Medically Refractory Occipital Neuralgia: Systemic Review and Guideline

October 5, 2015
Pain, Stereotactic & Functional
By: 
Shivanand P. Lad, MD, PhD
Ausaf A. Bari, MD PhD
Source: 
Neurosurgery

Occipital neuralgia (ON) is characterized by attacks of lancinating, shock-like, paroxysmal pain radiating from the occiput to the posterior scalp in the greater and lesser occipital nerve distributions. Occipital nerve stimulation (ONS) is...

Lumboperitoneal shunts are safe and effective for normal pressure hydrocephalus

August 31, 2015
Stereotactic & Functional
By: 
Jennifer A Sweet, MD
Johathan P Miller, MD
Source: 
The Lancet Neurology

In a multi-center, randomized trial, the SINPHONI-2 investigators evaluated lumboperitoneal shunts for the treatment of idiopathic NPH, in contrast to the more common practice of using ventriculoperitoneal shunts. Patients (N=93, 60-85 years) with idiopathic NPH from 20 neurological centers in...

Bilateral DBS of Globus Pallidus is effective for Tourette’s Syndrome

May 26, 2015
Stereotactic & Functional
By: 
Jennifer A Sweet, MD
Johathan P Miller, MD
Source: 
Bilateral globus pallidus stimulation for severe Tourette’s syndrome: a double-blind, randomized crossover trial.

The largest study of deep brain stimulation (DBS) of the anteromedial globus pallidus interna (GPi) for Tourette’s syndrome was performed as a double-blind, randomized, cross-over trial.  There is substantial evidence for targeting anteromedial GPi DBS for movement disorders such as...

A novel approach for stereoelectroencephalography

April 28, 2015
Stereotactic & Functional
By: 
Jason M. Schwalb, MD
Source: 
Neurosurgery

Stereotactic EEG, or the placement of multiple intracranial depth electrodes, has gained popularity as a means of intracranial monitoring for seizure localization in the US, due to lower risk of morbidity compared to historical controls who were monitored with intracranial...

TU

Stereotactic radiosurgery alone for patients with up to 10 brain metastases

April 30, 2014
Stereotactic & Functional, Tumor
By: 
Clark C. Chen, MD PhD
Source: 
Lancet Oncology

The role of stereotactic radiosurgery (SRS) for patients with multiple metastases remains uncertain.  A prospective observational study published in Lancet Oncology evaluates the use of SRS without addition of whole brain irradiation on survival for 1194 patients (KPS>70) with 1-10...

TU

Predicting Overall Survival for Patients After Radiosurgery for Brain Metastases

February 3, 2014
Stereotactic & Functional, Tumor
By: 
Gavin P. Dunn, MD PhD
Gabriel Zada, MD
Source: 
Journal of Neurosurgery

Difficulties in predicting survival for brain metastasis patients is underappreciated and has ramifications for cost-effective care. Kondziolka et al. assessed the ability of clinicians to predict survival in 150 cancer patients undergoing stereotactic radiosurgery for brain metastases from 2009-11. Clinicians...

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