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Neurocritical Care

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151 papers 100 to 500 followers
Jed A Hartings
PURPOSE OF REVIEW: Spreading depolarizations are unique in being discrete pathologic entities that are well characterized experimentally and also occur commonly in patients with substantial acute brain injury. Here, we review essential concepts in depolarization monitoring, highlighting its clinical significance, interpretation, and future potential. RECENT FINDINGS: Cortical lesion development in diverse animal models is mediated by tissue waves of mass spreading depolarization that cause the toxic loss of ion homeostasis and limit energy substrate supply through associated vasoconstriction...
April 2017: Current Opinion in Critical Care
Andrew Bauerschmidt, Andrew Martin, Jan Claassen
PURPOSE OF REVIEW: Status epilepticus has a high morbidity and mortality. There are little definitive data to guide management; however, new recent data continue to improve understanding of management options of status epilepticus. This review examines recent advancements regarding the critical care management of status epilepticus. RECENT FINDINGS: Recent studies support the initial treatment of status epilepticus with early and aggressive benzodiazepine dosing...
April 2017: Current Opinion in Critical Care
Julian Bösel
PURPOSE OF REVIEW: Severe ischemic or hemorrhagic stroke is a devastating cerebrovascular disease often demanding critical care. Optimal management of blood pressure (BP) in the acute phase is controversial. The purpose of this review is to display insights from recent studies on BP control in both conditions. RECENT FINDINGS: BP control in acute ischemic stroke has recently been investigated with regard to endovascular recanalizing therapies. Decreases from baseline BP and hypotension during the intervention have been found detrimental...
April 2017: Current Opinion in Critical Care
Nino Stocchetti, Tommaso Zoerle, Marco Carbonara
PURPOSE OF REVIEW: Intracranial pressure (ICP) monitoring and treatment is central in the management of traumatic brain injury. Despite 4 decades of clinical use, several aspects remain controversial, including the indications for ICP and treatment options. RECENT FINDINGS: Two major trials tested surgical decompression and mild hypothermia as treatments for high ICP. Both were rigorous, randomized, multicenter studies, with different designs. Decompression was tested for ICP refractory to conventional treatment, whereas hypothermia was offered as an alternative to conventional medical therapy...
April 2017: Current Opinion in Critical Care
Sudhir Datar, Alejandro A Rabinstein
PURPOSE OF REVIEW: Subarachnoid hemorrhage from a ruptured aneurysm (aSAH) is a complex disorder with the potential to have devastating effects on the brain as well as other organ systems. After more than 3 decades of research, the underlying pathophysiologic mechanisms remain incompletely understood and important questions remain regarding the evaluation and management of these patients. The purpose of this review is to analyze the recent literature and improve our understanding of certain key clinical aspects...
April 2017: Current Opinion in Critical Care
Allan R Tunkel, Rodrigo Hasbun, Adarsh Bhimraj, Karin Byers, Sheldon L Kaplan, W Michael Scheld, Diederik van de Beek, Thomas P Bleck, Hugh J L Garton, Joseph R Zunt
The Infectious Diseases Society of America (IDSA) Standards and Practice Guidelines Committee collaborated with partner organizations to convene a panel of 10 experts on healthcare-associated ventriculitis and meningitis. The panel represented pediatric and adult specialists in the field of infectious diseases and represented other organizations whose members care for patients with healthcare-associated ventriculitis and meningitis (American Academy of Neurology, American Association of Neurological Surgeons, and Neurocritical Care Society)...
February 14, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Peter J Hutchinson, Angelos G Kolias, Ivan S Timofeev, Elizabeth A Corteen, Marek Czosnyka, Jake Timothy, Ian Anderson, Diederik O Bulters, Antonio Belli, C Andrew Eynon, John Wadley, A David Mendelow, Patrick M Mitchell, Mark H Wilson, Giles Critchley, Juan Sahuquillo, Andreas Unterberg, Franco Servadei, Graham M Teasdale, John D Pickard, David K Menon, Gordon D Murray, Peter J Kirkpatrick
BACKGROUND: The effect of decompressive craniectomy on clinical outcomes in patients with refractory traumatic intracranial hypertension remains unclear. METHODS: From 2004 through 2014, we randomly assigned 408 patients, 10 to 65 years of age, with traumatic brain injury and refractory elevated intracranial pressure (>25 mm Hg) to undergo decompressive craniectomy or receive ongoing medical care. The primary outcome was the rating on the Extended Glasgow Outcome Scale (GOS-E) (an 8-point scale, ranging from death to "upper good recovery" [no injury-related problems]) at 6 months...
September 22, 2016: New England Journal of Medicine
Airton Leonardo de Oliveira Manoel, Alberto Goffi, Fernando Godinho Zampieri, David Turkel-Parrella, Abhijit Duggal, Thomas R Marotta, R Loch Macdonald, Simon Abrahamson
Spontaneous intracerebral hemorrhage (ICH), defined as nontraumatic bleeding into the brain parenchyma, is the second most common subtype of stroke, with 5.3 million cases and over 3 million deaths reported worldwide in 2010. Case fatality is extremely high (reaching approximately 60 % at 1 year post event). Only 20 % of patients who survive are independent within 6 months. Factors such as chronic hypertension, cerebral amyloid angiopathy, and anticoagulation are commonly associated with ICH. Chronic arterial hypertension represents the major risk factor for bleeding...
September 18, 2016: Critical Care: the Official Journal of the Critical Care Forum
Risa B Myers, Christos Lazaridis, Christopher M Jermaine, Claudia S Robertson, Craig G Rusin
OBJECTIVES: To develop computer algorithms that can recognize physiologic patterns in traumatic brain injury patients that occur in advance of intracranial pressure and partial brain tissue oxygenation crises. The automated early detection of crisis precursors can provide clinicians with time to intervene in order to prevent or mitigate secondary brain injury. DESIGN: A retrospective study was conducted from prospectively collected physiologic data. intracranial pressure, and partial brain tissue oxygenation crisis events were defined as intracranial pressure of greater than or equal to 20 mm Hg lasting at least 15 minutes and partial brain tissue oxygenation value of less than 10 mm Hg for at least 10 minutes, respectively...
September 2016: Critical Care Medicine
Justin M Moore, Christoph J Griessenauer, Raghav Gupta, Nimer Adeeb, Apar S Patel, Christopher S Ogilvy, Ajith J Thomas
The management of cerebrovascular disease has advanced considerably in 2015. Five randomized control trials have firmly established the role of endovascular thrombectomy for ischemic strokes due to large vessel occlusion. The randomized trial of intraarterial treatment for acute ischemic stroke (MR CLEAN) (Berkhemer et al. NEJM 2015;372:11-20) was the first of a series on the topic. There was a total of 5 randomized controlled trials published showing benefit in terms of functional outcomes at 90days for mechanical thrombectomy including the Endovascular Therapy for Ischemic stroke with perfusion-imaging selection (EXTEND IA) (Campbell et al...
September 2016: Clinical Neurology and Neurosurgery
Ryosuke Hanaya, Kazunori Arita
The administration of antiepileptic drugs (AEDs) is the first treatment of epilepsy, one of the most common neurological diseases. Therapeutic guidelines include newer AEDs as front-line drugs; monotherapy with new AEDs is delivered in Japan. While about 70% of patients obtain good seizure control by taking one to three AEDs, about 60% experience adverse effects and 33% have to change drugs. Compared to traditional AEDs, the prolonged administration of new AEDs elicits fewer adverse effects and fewer drug interactions and their teratogenicity may be lower...
May 15, 2016: Neurologia Medico-chirurgica
Tetsuji Inagawa
OBJECTIVE: To examine the literature on risk factors for cerebral vasospasm (CV), one of the most serious complications following aneurysmal subarachnoid hemorrhage (SAH), with special reference to the definition of CV. METHODS: Using standard search engines, including PubMed, the medical literature on risk factors for CV after SAH was reviewed, and the best definition representative of CV was searched. RESULTS: Severe SAH evident on computed tomography scan was the only consistent risk factor for CV after SAH...
January 2016: World Neurosurgery
George Lominadze, Samantha Lessen, Adam Keene
Aneurysmal subarachnoid hemorrhage (SAH) is associated with high mortality. The initial hemorrhage causes death in approximately 25% of patients, with most subsequent mortality being attributable to delayed cerebral ischemia (DCI). Delayed cerebral ischemia generally occurs on post-bleed days 4 through 20, with the incidence peaking at day 8. Because of the risks of DCI, patients with SAH are usually monitored in an intensive care unit (ICU) for 14 to 21 days. Unfortunately, prolonged ICU admissions are expensive and are associated with well-documented risks to patients...
January 2016: Neurohospitalist
Ramazan Jabbarli, Matthias Reinhard, Mukesch Shah, Roland Roelz, Wolf-Dirk Niesen, Klaus Kaier, Christian Taschner, Astrid Weyerbrock, Vera Van Velthoven
BACKGROUND: Cerebral vasospasm usually develops several days after subarachnoid hemorrhage (SAH) and is generally acknowledged as a strong outcome predictor. In contrast, much less is known about the nature and eventual consequences of early angiographic vasospasm (EAVS) seen on admission digital subtraction angiography (DSA). Therefore, we aimed at identifying the risk factors and clinical impact of EAVS after SAH. METHODS: Five hundred and thirty-one SAH patients with admission DSA performed within 72 h after the bleeding event were selected from a comprehensive database containing all consecutive SAH patients treated at our institution between January 2005 and December 2012...
2016: Cerebrovascular Diseases
Arvind K Sharma, Lokesh Bathala, Amit Batra, Man Mohan Mehndiratta, Vijay K Sharma
Transcranial Doppler (TCD) is the only diagnostic tool that can provide continuous information about cerebral hemodynamics in real time and over extended periods. In the previous paper (Part 1), we have already presented the basic ultrasound physics pertaining to TCD, insonation methods, and various flow patterns. This article describes various advanced applications of TCD such as detection of right-to-left shunt, emboli monitoring, vasomotor reactivity (VMR), monitoring of vasospasm in subarachnoid hemorrhage (SAH), monitoring of intracranial pressure, its role in stoke prevention in sickle cell disease, and as a supplementary test for confirmation of brain death...
January 2016: Annals of Indian Academy of Neurology
Lokesh Bathala, Man Mohan Mehndiratta, Vijay K Sharma
Transcranial Doppler (TCD) can be aptly called as the doctor's stethoscope of the brain. Since its introduction in 1982, by Rune Aaslid, TCD has evolved as a diagnostic, monitoring, and therapeutic tool. During evaluation of patients with acute ischemic stroke, TCD combined with cervical duplex ultrasonography provides physiological information on the cerebral hemodynamics, which is often complementary to structural imaging. Currently, TCD is the only diagnostic tool that can provide real time information about cerebral hemodynamics and can detect embolization to the cerebral vessels...
April 2013: Annals of Indian Academy of Neurology
Joshua D Hughes, Alejandro A Rabinstein
BACKGROUND: Paroxysmal sympathetic hyperactivity (PSH) is a complication of acquired brain injury manifesting with episodic tachycardia, tachypnea, hypertension, diaphoresis, hypertonia, and posturing. No universally accepted diagnostic criteria exist and diagnosis is often delayed until the rehabilitation phase. METHODS: Electronic records were screened to identify consecutive cases of PSH diagnosed in an intensive care unit (ICU) between 1/2006 and 8/2012 and assess the validity of early clinical diagnosis against formal diagnostic criteria...
June 2014: Neurocritical Care
Axel Petzold, Armand Girbes
The core challenge of pain management in neurocritical care is to keep the patient comfortable without masking or overlooking any neurological deterioration. Clearly in patients with a neurological problem there is a conflict of clinical judgement and adequate pain relief. Here we review the presentation, assessment, and development of pain in the clinical spectrum of patients with associated neurological problems seen in a general intensive care setting. Many conditions predispose to the development of chronic pain...
October 2013: Neurocritical Care
Aziz S Alali, Victoria A McCredie, Eyal Golan, Prakesh S Shah, Avery B Nathens
BACKGROUND: Traumatic brain injury (TBI) is associated with a systemic hyperadrenergic state. Through activation of beta adrenoreceptors, catecholamines may induce hypermetabolism and increase both cardiac and cerebral oxygen demands. We conducted a systematic review to appraise the available evidence examining the safety and efficacy of beta blockers in patients with acute TBI. METHODS: We systematically searched CENTRAL, MEDLINE, EMBASE and the reference lists of relevant articles from database inception until March 19, 2013...
June 2014: Neurocritical Care
David B Kurland, Ariana Khaladj-Ghom, Jesse A Stokum, Brianna Carusillo, Jason K Karimy, Volodymyr Gerzanich, Juan Sahuquillo, J Marc Simard
Decompressive craniectomy (DC) has been used for many years in the management of patients with elevated intracranial pressure and cerebral edema. Ongoing clinical trials are investigating the clinical and cost effectiveness of DC in trauma and stroke. While DC has demonstrable efficacy in saving life, it is accompanied by a myriad of non-trivial complications that have been inadequately highlighted in prospective clinical trials. Missing from our current understanding is a comprehensive analysis of all potential complications associated with DC...
October 2015: Neurocritical Care
2016-07-03 06:27:39
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