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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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...

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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...

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

October 5, 2015
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...

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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...

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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...

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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...

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Evidence-Based Guidelines for Deep Brain Stimulation for Obsessive-Compulsive Disorder

November 4, 2014
Stereotactic / Functional
Source: 
Pub Med

Hamani and colleagues provide a systematic review of the literature and evidence based guidelines for deep brain stimulation (DBS) for obsessive-compulsive disorder (OCD). Seven studies were identified for review that targeted various subcortical regions, including nucleus accumbens, ventral capsule/ventral striatum...

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Occipital nerve stimulation reduces intensity and frequency of migraine headaches

September 4, 2014
Pain, Stereotactic / Functional
By: 
Nader Pouratian, MD PhD
Source: 
Cephalalgia

Occipital nerve stimulation for managing chronic migraines remains incompletely understood. A previously reported multicenter, randomized, double-blind trial of bilateral occipital nerve stimulation for chronic migraine in 157 patients revealed significant and clinically meaningful reductions in the active stimulation group for...

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Surgery is better than medical management for improving quality-of-life for refractory epilepsy patients

July 31, 2014
Stereotactic / Functional
By: 
Jorge Gonzalez-Martinez, MD PhD

Although surgical efficacy for controlling medically intractable seizures has been demonstrated in two randomized controlled trials (Wiebe et al, 2001; Engel et al., 2012), its impact on quality of life (QOL) has not been comprehensively evaluated.  Two recently published...

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Expert Consensus on Sphenopalatine ganglion stimulation for cluster headaches

May 30, 2014
Pain, Stereotactic / Functional
By: 
Nader Pouratian, MD PhD
Source: 
Cephalalgia

Cluster headaches (CH) are excruciating and cause significant medical, economic and social impairment, especially when refractory to medical therapies. While inconsistent results have been reported with many neuromodulatory approaches, a randomized sham-controlled study of sphenopalatine ganglion (SPG) stimulation reported...

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