Tuesday, April 29, 2014

Endovascular treatment for stroke: when does the window for good outcome close?

Endovascular treatment for stroke: when does the window for good outcome close?
ScienceDirect - The Lancet Neurology, Volume 10, Issue 2, Pages ...

Publication date:
Source:The Lancet Neurology
Author(s): Gregory W Albers




Original Article: http://rss.sciencedirect.com/action/redirectFile?&zone=main¤tActivity=feed&usageType=outward&url=http://www.sciencedirect.com/science?_ob=GatewayURL&_origin=IRSSSEARCH&_method=citationSearch&_piikey=S1474442214700869&_version=1&md5=c054c2642ef0f405adfacd6f3d78b174

ARUBA Results Are Not Applicable to All Patients With Arteriovenous Malformation [Controversies in Stroke]

ARUBA Results Are Not Applicable to All Patients With Arteriovenous Malformation [Controversies in Stroke]
Stroke current issue



Original Article: http://stroke.ahajournals.org/cgi/content/short/45/5/1539?rss=1

Guidelines for the Prevention of Stroke in Women: A Statement for Healthcare Professionals From the American Heart Association/American Stroke Association [AHA/ASA Guideline]

Guidelines for the Prevention of Stroke in Women: A Statement for Healthcare Professionals From the American Heart Association/American Stroke Association [AHA/ASA Guideline]
Stroke current issue



Original Article: http://stroke.ahajournals.org/cgi/content/short/45/5/1545?rss=1

High-Dose Antidepressants in Youth May Up Risk for Self-Harm

High-Dose Antidepressants in Youth May Up Risk for Self-Harm
Medscape Today- Medscape

Higher-than-typical doses of SSRIs increase risk for deliberate self-harm among children and young adults being treated for depression for the first time.
Medscape Medical News

Original Article: http://www.medscape.com/viewarticle/824234?src=rss

New AAN Review of Medical Marijuana in Neurologic Disease

New AAN Review of Medical Marijuana in Neurologic Disease
Medscape Today- Medscape

A comprehensive review of the evidence supporting use of medical marijuana in neurologic diseases finds a role for some symptoms of MS, but not enough evidence to take a position with other conditions.
Medscape Medical News

Original Article: http://www.medscape.com/viewarticle/824227?src=rss

Quantitative volumetric analysis of optic radiation in the normal human brain

Quantitative volumetric analysis of optic radiation in the normal human brain
Neurology News & Neuroscience News from Medical News Today

The optic radiation is a dense fiber tract that emerges from the lateral geniculate nucleus and continues to the occipital visual cortex.

Original Article: http://www.medicalnewstoday.com/releases/276014.php

Saturday, April 26, 2014

iBook: Escrito em letra de médico

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artwork

Escrito em letra de médico

Júlio Pereira

Medicina, Livros, Profissional e técnico

01/05/2013

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Lembro diversas vezes que chegava em casa cansado de um plantão, mas querendo escrever algo. Às vezes me vinha uma cena inusitada à vista, uma frase ouvida ou caso triste vivenciado. Nem sempre conseguimos nos expressar dentro de um hospital, ainda mais quando há os doentes graves, não há tempo. Mas foi assim que o livro "Escrito em letra de Médico" surgiu. O meu livro traz textos que eu escrevi durante a faculdade, mas também durante a residência de neurocirurgia. Eu poderia definir o livro "Escrito em Letra de Médico" como recortes de pensamentos.

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Copyright © 2014 Apple Inc. Todos os direitos reservados.

iBook: THOUGHTS FROM THE HOSPITAL

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THOUGHTS FROM THE HOSPITAL

Júlio Pereira

Medicina, Livros, Profissional e técnico

16/12/2013

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I remember several times when coming home tired after being on call , but I was always wanting to write something. Sometimes I had had an unusual scene, listened an interesting phrase or experienced a sad case. We are not able to express ourselves in a hospital, even when seriously ill, we don't have time. But that's how the book "Thoughts from the hospital" emerged. My book contains texts that I wrote during college, medical school and during my residency of neurosurgery. I could set the book "Thoughts from the hospital" as clippings thoughts
.

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Copyright © 2014 Apple Inc. Todos os direitos reservados.

A Multinational Study of Thromboprophylaxis Practice in Critically Ill Children*

A Multinational Study of Thromboprophylaxis Practice in Critically Ill Children*
Critical Care Medicine - Most Popular Articles

imageObjectives:Although critically ill children are at increased risk for developing deep venous thrombosis, there are few pediatric studies establishing the prevalence of thrombosis or the efficacy of thromboprophylaxis. We tested the hypothesis that thromboprophylaxis is infrequently used in critically ill children even for those in whom it is indicated. Design:Prospective multinational cross-sectional study over four study dates in 2012. Setting:Fifty-nine PICUs in Australia, Canada, New Zealand, Portugal, Singapore, Spain, and the United States. Patients:All patients less than 18 years old in the PICU during the study dates and times were included in the study, unless the patients were 1) boarding in the unit waiting for a bed outside the PICU or 2) receiving therapeutic anticoagulation. Interventions:None. Measurements and Main Results:Of 2,484 children in the study, 2,159 (86.9%) had greater than or equal to 1 risk factor for thrombosis. Only 308 children (12.4%) were receiving pharmacologic thromboprophylaxis (e.g., aspirin, low-molecular-weight heparin, or unfractionated heparin). Of 430 children indicated to receive pharmacologic thromboprophylaxis based on consensus recommendations, only 149 (34.7%) were receiving it. Mechanical thromboprophylaxis was used in 156 of 655 children (23.8%) 8 years old or older, the youngest age for that device. Using nonlinear mixed effects model, presence of cyanotic congenital heart disease (odds ratio, 7.35; p < 0.001) and spinal cord injury (odds ratio, 8.85; p = 0.008) strongly predicted the use of pharmacologic and mechanical thromboprophylaxis, respectively. Conclusions:Thromboprophylaxis is infrequently used in critically ill children. This is true even for children at high risk of thrombosis where consensus guidelines recommend pharmacologic thromboprophylaxis.

Original Article: http://journals.lww.com/ccmjournal/Fulltext/2014/05000/A_Multinational_Study_of_Thromboprophylaxis.25.aspx

Hot Topics: Treating Headaches in Kids

Hot Topics: Treating Headaches in Kids
MedPage Today Neurology

(MedPage Today) -- What's special about treating headaches in children and how does school fit in? We put that question to three pediatric headache experts, who told us that childhood headaches do pose unique challenges with respect to treatment and to school.

Original Article: http://www.medpagetoday.com/Neurology/Migraines/45427

Thursday, April 24, 2014

Child Sexual Abuse Linked to Suicidal Behavior

Child Sexual Abuse Linked to Suicidal Behavior
Medscape Today- Medscape

Childhood sexual abuse may double the odds of later suicidal behavior, including suicide attempts.
Medscape Medical News

Original Article: http://www.medscape.com/viewarticle/824023?src=rss

Spinal Corticosteroids Run Risk of Severe Neuro Effects

Spinal Corticosteroids Run Risk of Severe Neuro Effects
Medscape NeurologyHeadlines

The FDA has announced that injections given to treat neck and back pain and radiating pain in the arms and legs may result, on rare occasions, in blindness, stroke, paralysis, and death.
News Alerts

Original Article: http://www.medscape.com/viewarticle/824043?src=rss

Wednesday, April 23, 2014

Neuro Exam App #medlife #neurology

Neuro Exam App
https://itunes.apple.com/br/app/neuro-exam/id601360691?mt=8

Resting-State Functional Magnetic Resonance Imaging: Review of Neurosurgical Applications

Resting-State Functional Magnetic Resonance Imaging: Review of Neurosurgical Applications
Neurosurgery - Current Issue

image Recent research in brain imaging has highlighted the role of different neural networks in the resting state (ie, no task) in which the brain displays spontaneous low-frequency neuronal oscillations. These can be indirectly measured with resting-state functional magnetic resonance imaging, and functional connectivity can be inferred as the spatiotemporal correlations of this signal. This technique has proliferated in recent years and has allowed the noninvasive investigation of large-scale, distributed functional networks. In this review, we give a brief overview of resting-state networks and examine the use of resting-state functional magnetic resonance imaging in neurosurgical contexts, specifically with respect to neurooncology, epilepsy surgery, and deep brain stimulation. We discuss the advantages and disadvantages compared with task-based functional magnetic resonance imaging, the limitations of resting-state functional magnetic resonance imaging, and the emerging directions of this relatively new technology. ABBREVIATIONS: BOLD, blood oxygen level-dependent DBS, deep brain stimulation ICA, independent component analysis MTLE, medial temporal lobe epilepsy ROI, region of interest rs-fMRI, resting-state functional magnetic resonance imaging RSN, resting-state network

Original Article: http://journals.lww.com/neurosurgery/Fulltext/2014/05000/Resting_State_Functional_Magnetic_Resonance.1.aspx

Resting-State Functional Magnetic Resonance Imaging: Review of Neurosurgical Applications

Resting-State Functional Magnetic Resonance Imaging: Review of Neurosurgical Applications
Neurosurgery - Current Issue

image Recent research in brain imaging has highlighted the role of different neural networks in the resting state (ie, no task) in which the brain displays spontaneous low-frequency neuronal oscillations. These can be indirectly measured with resting-state functional magnetic resonance imaging, and functional connectivity can be inferred as the spatiotemporal correlations of this signal. This technique has proliferated in recent years and has allowed the noninvasive investigation of large-scale, distributed functional networks. In this review, we give a brief overview of resting-state networks and examine the use of resting-state functional magnetic resonance imaging in neurosurgical contexts, specifically with respect to neurooncology, epilepsy surgery, and deep brain stimulation. We discuss the advantages and disadvantages compared with task-based functional magnetic resonance imaging, the limitations of resting-state functional magnetic resonance imaging, and the emerging directions of this relatively new technology. ABBREVIATIONS: BOLD, blood oxygen level-dependent DBS, deep brain stimulation ICA, independent component analysis MTLE, medial temporal lobe epilepsy ROI, region of interest rs-fMRI, resting-state functional magnetic resonance imaging RSN, resting-state network

Original Article: http://journals.lww.com/neurosurgery/Fulltext/2014/05000/Resting_State_Functional_Magnetic_Resonance.1.aspx

Resting-State Functional Magnetic Resonance Imaging: Review of Neurosurgical Applications

Resting-State Functional Magnetic Resonance Imaging: Review of Neurosurgical Applications
Neurosurgery - Current Issue

image Recent research in brain imaging has highlighted the role of different neural networks in the resting state (ie, no task) in which the brain displays spontaneous low-frequency neuronal oscillations. These can be indirectly measured with resting-state functional magnetic resonance imaging, and functional connectivity can be inferred as the spatiotemporal correlations of this signal. This technique has proliferated in recent years and has allowed the noninvasive investigation of large-scale, distributed functional networks. In this review, we give a brief overview of resting-state networks and examine the use of resting-state functional magnetic resonance imaging in neurosurgical contexts, specifically with respect to neurooncology, epilepsy surgery, and deep brain stimulation. We discuss the advantages and disadvantages compared with task-based functional magnetic resonance imaging, the limitations of resting-state functional magnetic resonance imaging, and the emerging directions of this relatively new technology. ABBREVIATIONS: BOLD, blood oxygen level-dependent DBS, deep brain stimulation ICA, independent component analysis MTLE, medial temporal lobe epilepsy ROI, region of interest rs-fMRI, resting-state functional magnetic resonance imaging RSN, resting-state network

Original Article: http://journals.lww.com/neurosurgery/Fulltext/2014/05000/Resting_State_Functional_Magnetic_Resonance.1.aspx

Revascularization and Aneurysm Surgery: Techniques, Indications, and Outcomes in the Endovascular Era

Revascularization and Aneurysm Surgery: Techniques, Indications, and Outcomes in the Endovascular Era
Neurosurgery - Current Issue

imageBACKGROUND: Given advances in endovascular technique, the indications for revascularization in aneurysm surgery have declined. OBJECTIVE: We sought to define indications, outline technical strategies, and evaluate the outcomes of patients treated with bypass in the endovascular era. METHODS: We retrospectively reviewed all aneurysms treated between September 2006 and February 2013. RESULTS: We identified 54 consecutive patients (16 males and 39 females) with 56 aneurysms. Aneurysms were located along the cervical internal carotid artery (ICA) (n = 1), petrous/cavernous ICA (n = 1), cavernous ICA (n = 16), supraclinoid ICA (n = 7), posterior communicating artery (n = 2), anterior cerebral artery (n = 4), middle cerebral artery (MCA) (n = 13), posterior cerebral artery (PCA) (n = 3), posterior inferior cerebellar artery (n = 4), and vertebrobasilar arteries (n = 5). Revascularization was performed with superficial temporal artery (STA) to MCA bypass (n = 25), STA to superior cerebellar artery (SCA) (n = 3), STA to PCA (n = 1), STA-SCA/STA-PCA (n = 1), occipital artery (OA) to PCA (n = 2), external carotid artery/ICA to MCA (n = 15), OA to MCA (n = 1), OA to posterior inferior cerebellar artery (n = 1), and in situ bypasses (n = 8). At a mean clinical follow-up of 18.5 months, 45 patients (81.8%) had a good outcome (Glasgow Outcome Scale 4 or 5). There were 7 cases of mortality (12.7%) and an additional 9 cases of morbidity (15.8%). At a mean angiographic follow-up of 17.8 months, 14 bypasses were occluded. Excluding the 7 cases of mortality, the majority of aneurysms (n = 42) were obliterated. We identified 7 cases of residual aneurysm and recurrence in 6 patients at follow-up. CONCLUSION: Given current limitations with existing treatments, cerebral revascularization remains an essential technique for aneurysm surgery. ABBREVIATIONS: ACA, anterior cerebral artery aSAH, aneurysmal subarachnoid hemorrhage BTO, balloon test occlusion GOS, Glasgow Outcome Scale ICA, internal carotid artery MCA, middle cerebral artery OA, occipital artery PCA, posterior cerebral artery PComm, posterior communicating artery PICA, posterior inferior cerebellar artery SCA, superior cerebellar artery STA, superficial temporal artery

Original Article: http://journals.lww.com/neurosurgery/Fulltext/2014/05000/Revascularization_and_Aneurysm_Surgery__.4.aspx

Treatment of Blister-Like Aneurysms With the Pipeline Embolization Device

Treatment of Blister-Like Aneurysms With the Pipeline Embolization Device
Neurosurgery - Current Issue

imageBACKGROUND: Endovascular vessel reconstruction with the pipeline embolization device (PED) has become common practice. Data on the safety and efficacy of the PED in blister-like aneurysms (BLAs) are limited. OBJECTIVE: To retrospectively present our experience with use of the PED in BLAs. METHODS: A total of 8 patients harboring 8 BLAs were treated with the PED at our institution between November 2011 and April 2013. RESULTS: Aneurysm size was 2.5 mm on average. Five patients had sustained a subarachnoid hemorrhage (SAH), 1 patient presented with sentinel headaches, and in 2 patients the aneurysm was incidentally discovered. Seven aneurysms arose from the ICA and 1 from the basilar artery. Placement of the PED was successful in all 8 patients. There were no procedural or perioperative complications in any of the patients. At the latest follow-up, all 8 patients achieved a favorable outcome (mRS 0-2). Angiographic follow-up was available for 6 patients at a mean time point of 3.9 months. Follow-up angiography showed 100% aneurysm occlusion in 5 patients and marked decrease in aneurysm size in 1 patient. CONCLUSION: The findings of this study suggest that the PED may be a safe and effective treatment for BLAs. Given the limitations of other treatment modalities and the challenging nature of BLAs, flow diversion may be a valuable option for these lesions.

Original Article: http://journals.lww.com/neurosurgery/Fulltext/2014/05000/Treatment_of_Blister_Like_Aneurysms_With_the.7.aspx

Treatment of Blister-Like Aneurysms With the Pipeline Embolization Device

Treatment of Blister-Like Aneurysms With the Pipeline Embolization Device
Neurosurgery - Current Issue

imageBACKGROUND: Endovascular vessel reconstruction with the pipeline embolization device (PED) has become common practice. Data on the safety and efficacy of the PED in blister-like aneurysms (BLAs) are limited. OBJECTIVE: To retrospectively present our experience with use of the PED in BLAs. METHODS: A total of 8 patients harboring 8 BLAs were treated with the PED at our institution between November 2011 and April 2013. RESULTS: Aneurysm size was 2.5 mm on average. Five patients had sustained a subarachnoid hemorrhage (SAH), 1 patient presented with sentinel headaches, and in 2 patients the aneurysm was incidentally discovered. Seven aneurysms arose from the ICA and 1 from the basilar artery. Placement of the PED was successful in all 8 patients. There were no procedural or perioperative complications in any of the patients. At the latest follow-up, all 8 patients achieved a favorable outcome (mRS 0-2). Angiographic follow-up was available for 6 patients at a mean time point of 3.9 months. Follow-up angiography showed 100% aneurysm occlusion in 5 patients and marked decrease in aneurysm size in 1 patient. CONCLUSION: The findings of this study suggest that the PED may be a safe and effective treatment for BLAs. Given the limitations of other treatment modalities and the challenging nature of BLAs, flow diversion may be a valuable option for these lesions.

Original Article: http://journals.lww.com/neurosurgery/Fulltext/2014/05000/Treatment_of_Blister_Like_Aneurysms_With_the.7.aspx

Cranial Neuropathy Due to Intradural Disc Herniation

Cranial Neuropathy Due to Intradural Disc Herniation
Neurosurgery - Current Issue

imageBACKGROUND AND IMPORTANCE: Herniated intervertebral disc fragments rarely penetrate the thecal sac, and intracranial hypotension attributable to such penetrating fragments is even more unusual. We describe the first reported case of a cranial neuropathy due to intradural herniation of a disc fragment, in which intracranial hypotension from a resulting cerebrospinal fluid leak caused bilateral abducens palsies. CLINICAL PRESENTATION: A 45-year-old man presented with a positional headache after having experienced a "popping" sensation in his back while lifting a heavy object. He also reported blurred vision and was noted to have lateral gaze palsies bilaterally. Magnetic resonance imaging (MRI) of the brain revealed bilateral subdural collections, abnormal pachymeningeal enhancement, and cerebellar tonsillar herniation, suggesting intracranial hypotension. T2-weighted MRI of the spine revealed extrusion of the T12-L1 disc and suggested the presence of a disc fragment in the intradural space, displacing the caudal nerve roots. A myelogram demonstrated a filling defect extending into the subarachnoid space adjacent to the disc herniation, consistent with a free disc fragment in the intradural space. A diagnosis of intracranial hypotension due to a cerebrospinal fluid leak resulting from an intradural herniated disc was made. The diagnosis was confirmed intraoperatively. CONCLUSION: Surgical removal of the herniated disc fragment and repair of the dural defect resulted in complete resolution of the cranial neuropathy. This rare etiology of a cranial neuropathy, arising from pathology in the thoracolumbar spine, illustrates the clinical teaching that the sixth cranial nerve is highly sensitive to deformation induced by intracranial hypotension.

Original Article: http://journals.lww.com/neurosurgery/Fulltext/2014/05000/Cranial_Neuropathy_Due_to_Intradural_Disc.11.aspx

Narrowing of the carotid arteries may lead to memory and thinking problems

Narrowing of the carotid arteries may lead to memory and thinking problems
Neurology News & Neuroscience News from Medical News Today

Narrowing of the carotid artery is usually associated with increased stroke risk, but according to new research, it may also lead to memory and thinking problems.

Original Article: http://www.medicalnewstoday.com/articles/275774.php

Diagnostic precision of PET imaging and functional MRI in disorders of consciousness: a clinical validation study.

Diagnostic precision of PET imaging and functional MRI in disorders of consciousness: a clinical validation study.
Unbound MEDLINE | Lancet journal articles

Bedside clinical examinations can have high rates of misdiagnosis of unresponsive wakefulness syndrome (vegetative state) or minimally conscious state. The diagnostic and prognostic usefulness of neuroimaging-based approaches has not been established in a clinical setting. We did a validation study of two neuroimaging-based diagnostic methods: PET imaging and functional MRI (fMRI).For this clinical validation study, we included patients referred to the University Hospital of Liège, Belgium, between January, 2008, and June, 2012, who were diagnosed by our unit with unresponsive wakefulness syndrome, locked-in syndrome, or minimally conscious state with traumatic or non-traumatic causes. We did repeated standardised clinical assessments with the Coma Recovery Scale-Revised (CRS-R), cerebral (18)F-fluorodeoxyglucose (FDG) PET, and fMRI during mental activation tasks. We calculated the diagnostic accuracy of both imaging methods with CRS-R diagnosis as reference. We assessed outcome after 12 months with the Glasgow Outcome Scale-Extended.We included 41 patients with unresponsive wakefulness syndrome, four with locked-in syndrome, and 81 in a minimally conscious state (48=traumatic, 78=non-traumatic; 110=chronic, 16=subacute). (18)F-FDG PET had high sensitivity for identification of patients in a minimally conscious state (93%, 95% CI 85-98) and high congruence (85%, 77-90) with behavioural CRS-R scores. The active fMRI method was less sensitive at diagnosis of a minimally conscious state (45%, 30-61) and had lower overall congruence with behavioural scores (63%, 51-73) than PET imaging. (18)F-FDG PET correctly predicted outcome in 75 of 102 patients (74%, 64-81), and fMRI in 36 of 65 patients (56%, 43-67). 13 of 42 (32%) of the behaviourally unresponsive patients (ie, diagnosed as unresponsive with CRS-R) showed brain activity compatible with (minimal) consciousness (ie, activity associated with consciousness, but diminished compared with fully conscious individuals) on at least one neuroimaging test; 69% of these (9 of 13) patients subsequently recovered consciousness.Cerebral (18)F-FDG PET could be used to complement bedside examinations and predict long-term recovery of patients with unresponsive wakefulness syndrome. Active fMRI might also be useful for differential diagnosis, but seems to be less accurate.The Belgian National Funds for Scientific Research (FNRS), Fonds Léon Fredericq, the European Commission, the James McDonnell Foundation, the Mind Science Foundation, the French Speaking Community Concerted Research Action, the University of Copenhagen, and the University of Liège.


Original Article: http://www.unboundmedicine.com/medline/citation/24746174/Diagnostic_precision_of_PET_imaging_and_functional_MRI_in_disorders_of_consciousness:_a_clinical_validation_study_

Conservative management of vascular abnormality in brain associated with better outcomes

Conservative management of vascular abnormality in brain associated with better outcomes
Neurology News & Neuroscience News from Medical News Today

Patients with arteriovenous malformations (abnormal connection between arteries and veins) in the brain that have not ruptured had a lower risk of stroke or death for up to 12 years if they...

Original Article: http://www.medicalnewstoday.com/releases/275778.php

Study examines patient preferences for emergency treatment of stroke

Study examines patient preferences for emergency treatment of stroke
Neurology News & Neuroscience News from Medical News Today

The majority of adults surveyed indicated they would want administration of clot-dissolving medications if incapacitated by a stroke, a finding that supports clinicians' use of this treatment if...

Original Article: http://www.medicalnewstoday.com/releases/275782.php

Monday, April 21, 2014

Connecting Invasive and Noninvasive Brain Stimulation (S52.002)

Connecting Invasive and Noninvasive Brain Stimulation (S52.002)
Neurology recent issues

OBJECTIVE: To identify brain diseases in which both invasive and noninvasive brain stimulation have shown evidence of efficacy and determine whether the stimulation sites are different nodes within the same brain network.BACKGROUND: Invasive deep brain stimulation (DBS) and noninvasive transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) are increasingly being applied to treat a variety of brain diseases. Although generally considered separate in terms of mechanism and clinical indication, invasive and noninvasive approaches share the ability to modify brain activity at the stimulated site, impact regions remote from the site of stimulation, and the challenge of knowing where to stimulate to optimize therapeutic effect. Here we determine whether these two forms of stimulation are linked through brain networks.DESIGN/METHODS: Diseases with evidence of efficacy for both invasive and noninvasive brain stimulation were identified using a pubmed search. For each disease, resting state functional connectivity with the most effective DBS site was assessed using a previously collected MRI dataset from 1000 normal subjects. Connectivity to noninvasive brain stimulation sites was compared to that expected by chance.RESULTS: Thirteen brain diseases were identified with reports of efficacy for both invasive and noninvasive brain stimulation including Parkinson's, dystonia, epilepsy, Alzheimer's, and disorders of consciousness. Across diseases, DBS sites were functionally connected to noninvasive brain stimulation sites at a level much greater than chance (p < 0.005).CONCLUSIONS: Resting state functional connectivity links invasive and noninvasive brain stimulation sites across diseases. This suggests that these two types of brain stimulation may exert their therapeutic effect by modulating different nodes in the same brain network. Identifying such networks may prove valuable in determining the optimal targets for brain stimulation and represents a potential therapeutic application of the human connectome.Study Supported by: National Institutes of Health (K23NS083741), the AAN / American Brain Foundation, and the National Center for Research Resources: Harvard Clinical and Translational Science Center (UL1 RR025758).

Disclosure: Dr. Buckner has nothing to disclose. Dr. Lozano has received personal compensation for activities with Medtronic Inc., Boston Scientific Corp., Johnson & Johnson, and St Jude Medical. Dr. Lozano has received personal compensation in an editorial capacity for Brain Stimulation. Dr. Pascual-Leone has received personal compensation for activities with Nexstim, Neuronix, Starlab Neuroscience, Neuroelectrics, Neosync, and Novavision. Dr. Pascual-Leone has received personal compensation in an editorial capacity for the European Journal of Neurology. Dr. Pascual-Leone has received research support from Nexstim and Neuronix.



Original Article: http://www.neurology.org/cgi/content/short/82/10_Supplement/S52.002?rss=1

National Trends in Utilization and Outcomes of Intravenous Thrombolytic Treatment among Pediatric Patients with Acute Ischemic Stroke in United States (S35.009)

National Trends in Utilization and Outcomes of Intravenous Thrombolytic Treatment among Pediatric Patients with Acute Ischemic Stroke in United States (S35.009)
Neurology recent issues

Background: Thrombolytic treatment has been used with varying frequency among pediatric ischemic stroke patients.Objective: To evaluate trends in utilization of IV recombinant tissue plasminogen activator (rt-PA) and associated rates of death and disability among acute ischemic stroke patients over a six year period.Methods: We obtained data for pediatric patients (aged ≤18 years) admitted to United States in 2003, 2006 and 2009 with a primary diagnosis of ischemic stroke using the Nationwide Inpatient Sample (NIS-KID). We determined the rate and pattern of utilization, and associated in-hospital outcomes of IV-rt-PA including post-thrombolytic intracerebral hemorrhage (ICH) and rates death among pediatric ischemic stroke patients.Results: Of the 5,137 pediatric patients admitted with ischemic stroke, 48 (0.93%) received IV rt-PA during the study period. There was a 2.5 fold increase in rates of patients who received the thrombolytic treatment (0.53% in 2003, 0.87% in 2006 and 1.35% in 2009). The rate of post-thrombolytic ICH was 9.6% with no change in frequency over the three periods. The overall rate of post-thrombolytic intracerebral hemorrhage (ICH) was 9.6% with a trend towards decrease in rates (41%, 9.8%, and 0%) in 2003, 2006, and 2009. The overall rate of in hospital mortality was 9.6% with some decrease in rates (17.2%, 13.0%, and 5.9%, p value for trend=0.7).Conclusion: There has been a significant increase in the proportion of pediatric acute ischemic stroke patients receiving IV rt-PA treatment with some evidence of decrease in adverse outcomes at discharge.

Disclosure: Dr. Reeves has nothing to disclose. Dr. Chaudry has nothing to disclose. Dr. Zafar has nothing to disclose. Dr. Owais has nothing to disclose. Dr. Malik has nothing to disclose. Dr. Jani has nothing to disclose. Dr. Jani has nothing to disclose. Dr. Pawar has nothing to disclose. Dr. Hussain has nothing to disclose. Dr. Qureshi has nothing to disclose.



Original Article: http://www.neurology.org/cgi/content/short/82/10_Supplement/S35.009?rss=1

Headache Characteristics at Baseline in the Idiopathic Intracranial Hypertension Treatment Trial (S41.006)

Headache Characteristics at Baseline in the Idiopathic Intracranial Hypertension Treatment Trial (S41.006)
Neurology recent issues

OBJECTIVE:To report the headache features of subjects enrolled in the Idiopathic Intracranial Hypertension Treatment Trial (IIHTT)BACKGROUND:The IIHTT is a multicenter, randomized, double-masked, placebo controlled trial comparing acetazolamide to matching placebo in subjects with mild visual loss from IIH. A low-sodium diet and weight loss program was offered to all subjects. 165 subjects (161 women, 4 men) were enrolled.DESIGN/METHODS:Headache characteristics were queried at baseline and throughout the duration of the study during structured interviews. Descriptive statistics, Spearman and Pearson correlation coefficients were applied.RESULTS:Headache was the most common symptom (n=139, 84%) and was the initial symptom in 35%. The average severity on a 1-10 scale was 6.3 1.9 with 9 subjects reporting a severity of 10. 32% of subjects with headache described constant pain. Subjects with intermittent headache experienced a median of 12 headache days monthly (range 1-30). The pain was characterized as pressure (47%), throbbing/pounding (42%), stabbing (5%), exploding (2%) or other (4%), and 42% experienced nocturnal awakening. The location of head pain was frontal (68%), global (36%), posterior (39%), unilateral (30%), ocular (47%) and extended to the neck in 47%. Associated symptoms included photophobia (70% ), phonophobia (52%), nausea (47%), vomiting (17%), and aggravation by routine physical activity (50%). 41% of participants reported a history of migraine (18% with aura, 58% without aura, 24% both). The average HIT-6 score was 59.7 9.0 (severe disability). There was no correlation between the HIT-6 score and papilledema grade, perimetric mean deviation, opening pressure or body mass index (BMI).CONCLUSIONS:The headache pain of IIH in this cohort was variable in quality and location, and many subjects had associated symptoms that are typical of migraine. The headaches were severe, disabling and not related to visual status, BMI, opening pressure or papilledema grade.Study Supported by: National Eye Institute

Disclosure: Dr. Friedman has received personal compensation for activities with MAP Pharmaceuticals, Zogenix, and Allergan. Dr. Friedman has received personal compensation in an editorial capacity for Neurology Reviews and Medlink Neurology. Dr. Friedman's institution has received research support from Merck & Co., Inc., Electocore, and the National Eye Institute.



Original Article: http://www.neurology.org/cgi/content/short/82/10_Supplement/S41.006?rss=1

Virtual Car Accident Rates Of Epilepsy Patients Are Significantly Increased By Interictal Generalized Spike Waves (S43.004)

Virtual Car Accident Rates Of Epilepsy Patients Are Significantly Increased By Interictal Generalized Spike Waves (S43.004)
Neurology recent issues

OBJECTIVE: To assess the type of interictal epileptic activity (IEA) with respect to its frequency, focal or generalized distribution and potential configuration that has relevant or negligible effects on reaction time (RT) slowing and errors in a driving simulator context.BACKGROUND: Creation of a tool for objective and reproducible judgment of the compatibility of an epilepsy patient`s EEG for driving, which is required by individual national driving guidelines.DESIGN/METHODS: The reaction time-EEG (RT-EEG) is an EEG registration while patients play a car driving game on a laptop. It records patients` RT to obstacles that are triggered during baseline EEG and IEA. Errors (crashes) correspond to RT prolongations 蠅 1 s. 40 RT-EEG of 34 epilepsy patients with generalized IEA and 14 RT-EEG of 12 patients with focal IEA were recorded.RESULTS: RT were prolonged during generalized IEA by 122 ms and during focal IEA by 31 ms, irrespective of potential configuration. Generalized IEA with predominant potential configuration of classical or atypical spike waves, or sharp theta activity prolonged RT by 278, 126, and 84 ms, respectively. Focal IEA with atypically configured spike waves or sharp theta activity prolonged RT by 48 and 15 ms, respectively. 1.2% of focal and 5% of generalized IEA caused errors. Among generalized IEA, 20% of bursts with classically configured spike waves, 0.8% of bursts with atypical spike waves, and 1.2% of bursts with sharp theta activity caused errors.CONCLUSIONS: Generalized IEA with classically configured spike waves strongly prolongs RT and causes many errors. Focal or generalized IEA with atypically configured spikes or sharp theta activity moderately prolong RT and cause low error rates.

Disclosure: Dr. Krestel has nothing to disclose. Dr. von Allmen has nothing to disclose. Dr. Liechti has nothing to disclose. Dr. Steinlin has nothing to disclose. Dr. Mathis has nothing to disclose. Dr. Arto has nothing to disclose.



Original Article: http://www.neurology.org/cgi/content/short/82/10_Supplement/S43.004?rss=1

The SEDAN Score and the Risk of Intracerebral Hemorrhage in Monocenter-Study (S25.003)

The SEDAN Score and the Risk of Intracerebral Hemorrhage in Monocenter-Study (S25.003)
Neurology recent issues

Objective: to evaluate the SEDAN score predicting the risk of a symptomatic intracerebral hemorrhage (sICH) after intravenous thrombolysis with rt-PA (IV thrombolysis) in monocenter study and to investigate its association with outcomes.Background: The risk of sICH is a serious complication after IV thrombolysis. The fear of sICH may limit the implementation of treatment with IV thrombolysis.A score (SEDAN, 0-6 points), which is based on blood Sugar, Early infarct sign, Dense artery sign, Age (>75 years) and NIHSS score (蠅10), has been suggested to predict the risk of sICH after IV thrombolysis.Methods: During 2.5-years period (starting March 2011), 315 consecutive stroke patients (mean age, 73± 13years; 51,1% women; median NIHSS score, 10) who were treated with IV thrombolysis were included and evaluated in a monocenter-study in Germany.We used logistic regression to estimate the odds ratio (OR) and Hosmer-Lemeshow-test to compare the expected and the observed probability of sICH.Results: Among 315 patients, 36 (11.5%, 95%-CI, 8.0-15%) suffered from sICH after IV thrombolysis. The frequency of sICH was; 0%, 4.8%, 10.7%, 18.8%, 25.8% and 33.3% for 0, 1, 2, 3, 4, and 蠅5 score points. In the logistic regression, an increase of SEDAN score was associated with rising of sICH risk (OR, 1.94 per SEDAN score point, 95%-CI, 1.45-2.6; P<0.001). Hosmer-Lemeshow-test revealed that the expected and observed rates of sICH were 88.5% similar (chi-square=1.8, df=3, P=0.6).Thirty five patients (11.0%, 95%-CI, 8-14.6%) died during a median hospital stay of 9 days, whereas 76 of 257 patients (29.6%, 95%-CI, 24-35%) died during a median follow-up of 14 months. With rising of SEDAN score, the in-hospital mortality (OR, 1.65; 95%-CI, 1.25-2.2, P<0.001) as well as the follow-up mortality (OR, 1.67; 95%-CI, 1.33-2.1; P<0.001) appear to be increased.Conclusion: Patients with higher SEDAN score may be at higher risk of sICH and death after treatment with IV thrombolysis.

Disclosure: Dr. Bruning has nothing to disclose. Dr. Al-Khaled has nothing to disclose.



Original Article: http://www.neurology.org/cgi/content/short/82/10_Supplement/S25.003?rss=1