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subarachnoide hemorrhage

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https://www.readbyqxmd.com/read/28812108/ultra-early-detection-of-microcirculatory-injury-as-predictor-of-developing-delayed-cerebral-ischemia-after-aneurysmal-subarachnoid-hemorrhage
#1
Philipp Gölitz, Philip Hoelter, Julie Rösch, Karl Roessler, Frauke Knossalla, Arnd Doerfler
PURPOSE: Delayed cerebral ischemia (DCI) still remains a major complication after subarachnoid hemorrhage (SAH). The aim of our study was to evaluate whether flow analysis of admission digital subtraction angiography (DSA) using parametric color coding (PCC), a postprocessing algorithm, allows ultra-early identification of SAH patients at risk for developing subsequent symptomatic vasospasm. METHODS: In this study 52 patients who suffered SAH from aneurysm rupture, were retrospectively enrolled...
August 15, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28808649/the-effect-of-a-single-dose-dantrolene-in-patients-with-vasospasm-following-aneurysmal-subarachnoid-hemorrhage
#2
Masih Sabouri, Mahmood Momeni, Fariborz Khorvash, Majid Rezvani, Homayon Tabesh
BACKGROUND: Cerebral vasospasm is a prolonged, occasionally severe, but reversible narrowing of the cerebral arteries that begins 3 to 5 days after the hemorrhage becomes maximal at 14 days. This study is designed to evaluate the effect of dantrolene on the reduction of vasospasm following aneurysmal subarachnoid hemorrhage (SAH). MATERIALS AND METHODS: This randomized controlled clinical trial was conducted on 32 patients with proven aneurysms in AL-Zahra hospital during 2011-2013...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28808606/middle-cerebral-artery-dissection-causing-subarachnoid-hemorrhage-and-cerebral-infarction-trapping-with-high-flow-bypass-preserving-the-lenticulostriate-artery
#3
Hideaki Ono, Tomohiro Inoue, Shinya Suematsu, Takeo Tanishima, Akira Tamura, Isamu Saito, Nobuhito Saito
BACKGROUND: Spontaneous intracranial arterial dissection (IAD) is an increasingly important cause of stroke, such as subarachnoid hemorrhage (SAH) and hemodynamic or thromboembolic cerebral ischemia. IAD usually occurs in the posterior circulation, and is relatively rare in the anterior circulation including the middle cerebral artery (MCA). Various surgical and endovascular methods to reduce blood flow in the dissected lesion have been proposed, but no optimum treatment has been established...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28808603/aneurysm-treatment-practice-patterns-for-newly-appointed-dual-trained-cerebrovascular-endovascular-neurosurgeons-comparison-of-open-surgical-to-neuroendovascular-procedures-in-the-first-2-years-of-academic-practice
#4
Bowen Jiang, Matthew T Bender, Bima Hasjim, Frank P K Hsu, Rafael J Tamargo, Judy Huang, Geoffrey P Colby, Alexander L Coon, Li-Mei Lin
BACKGROUND: The practice patterns of a hybrid open cerebrovascular/neuroendovascular (CVNV) neurosurgeon in early academic practice is unknown. METHODS: We performed a multi-institutional retrospective cohort study of patients with cerebral aneurysms that were treated within the first 24 months of the neurosurgeon's practice. RESULTS: A total of 533 aneurysms were treated by the three senior authors within the first 24 months of their academic practice...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28808153/history-of-aneurysmal-spontaneous-subarachnoid-hemorrhage
#5
REVIEW
Kristijonas Milinis, Ankur Thapar, Kevin O'Neill, Alun Huw Davies
No abstract text is available yet for this article.
August 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28803174/intraoperative-vascular-neuromonitoring-in-patients-with-subarachnoid-hemorrhage-a-pilot-study-using-combined-laser-doppler-spectrophotometry
#6
Emilija Schmitz, Barbara Bischoff, Dennis Wolf, Hubert Schmitt, Ilker Y Eyupoglu, Karl Roessler, Michael Buchfelder, Björn Sommer
OBJECTIVE: Intraoperative monitoring of cerebral microcirculation in patients with subarachnoid hemorrhage (SAH) may predict the postoperative neurological outcome. In this pilot study, we examined the value of a novel non-invasive real-time measurement technique to detect changes in local microcirculation. METHODS: We used the laser-Doppler spectrophotometry system "Oxygen-to-see(O2C)" in 14 patients with SAH Hunt & Hess grade 2 to 5, who underwent microsurgical clipping of cerebral aneurysms...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803173/ruptured-vertebral-artery-dissecting-aneurysm-concurrent-with-spontaneous-cervical-internal-carotid-artery-dissection-a-report-of-three-cases-and-literature-review
#7
Yosuke Akamatsu, Kenichi Sato, Hidenori Endo, Yasushi Matsumoto, Teiji Tominaga
BACKGROUND: Multiple dissections rarely occur with ruptured vertebral artery dissecting aneurysms (VADAs). Here, we report three cases of ruptured VADA concurrent with spontaneous cervical internal carotid artery (ICA) dissection. CASE DESCRIPTION: None of the three patients had a history of vasculopathy or trauma. All ruptured VADAs were treated with internal coil trapping in the acute stage of subarachnoid hemorrhage (SAH). Rebleeding was not observed in any patients after the treatment...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28803167/igg4-related-disease-a-new-etiology-underlying-diffuse-intracranial-dilating-vasculopathy
#8
Evan S Marlin, Davis Dornbos, Daniel S Ikeda, Norman L Lehman, Ciarán J Powers
BACKGROUND: Diffuse intracranial aneurysmal vasculopathy is a rare condition, previously described in patients with human immunodeficiency virus (HIV) infection. IgG4 related disease (IgG4-RD) is a recognized inflammatory disease of systemic organs, leading to fibrosis of connective tissues. It has also been linked to inflammatory dilating aortic aneurysms, coronary vascular disease, hypophysitis, orbital pseudotumor and pachymeningitis. It has not yet been described as a cause of diffuse intracranial dilating vasculopathy...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28802751/acute-management-of-hemostasis-in-patients-with-neurological-injury
#9
REVIEW
M Irem Baharoglu, Anneke Brand, Maria M Koopman, Marinus Vermeulen, Yvo B W E M Roos
Neurological injuries can be divided into those with traumatic and nontraumatic causes. The largest groups are traumatic brain injury (TBI) and nontraumatic stroke. TBI patients may present with intracranial hemorrhages (contusions, or subdural or epidural hematomas). Strokes are ischemic or hemorrhagic. In all these disorders, thrombosis and hemostasis play a major role. Treatment aims to either cease bleeding and/or restore perfusion. We reviewed hemostatic and thrombolytic therapies in patients with neurological injuries by MEDLINE and EMBASE search using various key words for neurological disorders and hemostatic therapies restricted to English language and human adults...
July 13, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28802522/comprehensive-evaluation-of-diagnostic-and-treatment-strategies-for-idiopathic-spinal-subarachnoid-hemorrhage
#10
Toshihisa Ichiba, Masahiko Hara, Kouichirou Nishikawa, Tomoyuki Tanabe, Masaki Urashima, Hiroshi Naitou
BACKGROUND: Idiopathic spinal subarachnoid hemorrhage (IS-SAH), defined as spinal SAH without apparent cause, is extremely rare. The objective of the present study was to establish a consensus on the diagnosis and management of IS-SAH. METHODS: We enrolled 5 consecutive cases of IS-SAH at our institution, and we enrolled 19 previously published cases as a literature review. The patient presentations, diagnostic test findings, treatment strategies, and outcomes were retrospectively assessed...
August 9, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28802521/midterm-follow-up-of-20-consecutive-patients-with-nonaneurysmal-subarachnoid-hemorrhage-of-unknown-origin-in-a-single-center-two-cases-of-de-novo-development-of-dural-arteriovenous-fistula
#11
Tomotaka Ohshima, Yosuke Tamari, Taiki Yamamoto, Shunsaku Goto, Kojiro Ishikawa
BACKGROUND AND PURPOSE: The mechanisms and prognosis of underlying subarachnoid hemorrhage of unknown origin remain unclear. Previous investigators have suggested a relationship between nonaneurysmal perimesencephalic subarachnoid hemorrhage and venous abnormalities like a primitive venous drainage of the basal vein of Rosenthal. We report the outcome of a midterm follow-up of 20 consecutive patients with nonaneurysmal subarachnoid hemorrhage of unknown origin, and 2 patients in whom the development of new dural arteriovenous fistulas after subarachnoid hemorrhage of unknown origin were detected during follow-up...
August 10, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28800927/oligomeric-proantho-cyanidins-provides-neuroprotection-against-early-brain-injury-following-subarachnoid-hemorrhage-possibly-via-anti-oxidative-anti-inflammatory-and-anti-apoptotic-effects
#12
Guang-Xu Zhang, Jun Ma, Hu-Chen Lu, Zhen-Nan Ye, Jing Liu, Cheng-Bin Wang
No abstract text is available yet for this article.
August 8, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28799877/volume-of-cerebrospinal-fluid-drainage-as-a-predictor-for-pretreatment-aneurysmal-rebleeding
#13
Jasper H van Lieshout, Ina Pumplün, Igor Fischer, Marcel A Kamp, Jan F Cornelius, Hans J Steiger, Hieronymus D Boogaarts, Athanasios K Petridis, Kerim Beseoglu
OBJECTIVE Initiation of external CSF drainage has been associated with a significant increase in rebleeding probability after aneurysmal subarachnoid hemorrhage (aSAH). However, the implications for acute management are uncertain. The purpose of this study was to evaluate the role of the amount of drained CSF on aneurysmal rebleeding. METHODS Consecutive patients with aSAH were analyzed retrospectively. Radiologically confirmed cases of aneurysmal in-hospital rebleeding were identified and predictor variables for rebleeding were retrieved from hospital records...
August 11, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28799869/predictive-factors-of-medullary-infarction-after-endovascular-internal-trapping-using-coils-for-vertebral-artery-dissecting-aneurysms
#14
Masanori Aihara, Isao Naito, Tatsuya Shimizu, Masahiro Matsumoto, Ken Asakura, Naoko Miyamoto, Yuhei Yoshimoto
OBJECTIVE The first choice of treatment in cases of vertebral artery dissecting aneurysms (VADAs) is endovascular internal trapping (EIT) of the dissecting segment using coils. However, this procedure carries the risk of medullary infarction, and the risk factors for this complication are not well understood. This study investigated the risk factors causing medullary infarction. METHODS One hundred patients who underwent EIT for VADAs were included in this study. Ninety-three patients presented with subarachnoid hemorrhage...
August 11, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28799114/neurogenic-stress-cardiomyopathy-precipitated-by-acute-hydrocephalus-after-aneurysmal-subarachnoid-hemorrhage
#15
Kamel Gharaibeh, Jackie Scott, Nicholas A Morris
No abstract text is available yet for this article.
August 10, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28794254/sex-specific-stroke-incidence-over-time-in-the-greater-cincinnati-northern-kentucky-stroke-study
#16
Tracy E Madsen, Jane Khoury, Kathleen Alwell, Charles J Moomaw, Eric Rademacher, Matthew L Flaherty, Daniel Woo, Jason Mackey, Felipe De Los Rios La Rosa, Sharyl Martini, Simona Ferioli, Opeolu Adeoye, Pooja Khatri, Joseph P Broderick, Brett M Kissela, Dawn Kleindorfer
OBJECTIVE: Recent data suggest stroke incidence is decreasing over time, but it is unknown whether incidence is decreasing in women and men to the same extent. METHODS: Within our population of 1.3 million, all incident strokes among residents ≥20 years old were ascertained at all hospitals during July 1993-June 1994 and calendar years 1999, 2005, and 2010. A sampling scheme was used to ascertain out-of-hospital cases. Sex-specific incidence rates per 100,000 among black and white participants, age- and race-adjusted, were standardized to the 2000 US Census population...
August 9, 2017: Neurology
https://www.readbyqxmd.com/read/28791191/modified-extradural-temporopolar-approach-with-suction-decompression-for-clipping-of-large-paraclinoid-aneurysm-technical-note
#17
Naoki Otani, Terushige Toyooka, Kojiro Wada, Kentaro Mori
BACKGROUND: Surgical clipping of complicated large paraclinoid aneurysms are still challenging because strong adhesion of aneurysm itself may hinder the dissection of the perforators and the surrounding anatomical structures from the aneurysm dome. METHODS: We describe 13 consecutive patients and the clipping of complicated, large-sized paraclinoid aneurysms using a modified extradural temporopolar approach combined with retrograde suction decompression and discuss its advantages and pitfalls...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28790969/alpha-calcitonin-gene-related-peptide-increases-cerebral-vessel-diameter-in-animal-models-of-subarachnoid-hemorrhage-a-systematic-review-and-meta-analysis
#18
REVIEW
Liam M C Flynn, Caroline J Begg, Malcolm R Macleod, Peter J D Andrews
Delayed cerebral ischemia (DCI) is a life-threatening complication after subarachnoid hemorrhage. There is a strong association between cerebral vessel narrowing and DCI. Alpha calcitonin gene-related peptide (αCGRP) is a potent vasodilator, which may be effective at reducing cerebral vessel narrowing after subarachnoid hemorrhage (SAH). Here, we report a meta-analysis of data from nine in vivo animal studies identified in a systematic review in which αCGRP was administered in SAH models. Our primary outcome was change in cerebral vessel diameter and the secondary outcome was change in neurobehavioral scores...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28790425/minimal-long-term-neurobehavioral-impairments-after-endovascular-perforation-subarachnoid-hemorrhage-in-mice
#19
Claudia Fanizzi, Andrew D Sauerbeck, Mihika Gangolli, Gregory J Zipfel, David L Brody, Terrance T Kummer
Cognitive deficits are among the most severe and pervasive consequences of aneurysmal subarachnoid hemorrhage (SAH). A critical step in developing therapies targeting such outcomes is the characterization of experimentally-tractable pre-clinical models that exhibit multi-domain neurobehavioral deficits similar to those afflicting humans. We therefore searched for neurobehavioral abnormalities following endovascular perforation induction of SAH in mice, a heavily-utilized model. We instituted a functional screen to manage variability in injury severity, then assessed acute functional deficits, as well as activity, anxiety-related behavior, learning and memory, socialization, and depressive-like behavior at sub-acute and chronic time points (up to 1 month post-injury)...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28790218/-an-extracranial-aneurysm-in-the-distal-posterior-inferior-cerebellar-artery-located-at-the-tonsillomedullary-segment-case-report-and-review-of-the-literature
#20
Nao Shimooka, Shigenori Taketsuna, Shiromaru Ishida, Kensaku Senda, Masato Kawai
We report a rare case of subarachnoid hemorrhage(SAH)due to ruptured extracranial aneurysm originating at the caudal loop of the left posterior inferior cerebellar artery(PICA). A 50-year-old woman presented with severe headache and mild consciousness disturbance. Computed tomography(CT)revealed SAH and intraventricular hemorrhage. Vertebral angiography showed an extracranial aneurysm located on the tonsillomedullary segment of the left PICA. During the surgery, no vessel branches were confirmed near the aneurysm, and the aneurysm was successfully clipped through suboccipital craniotomy with C1 laminectomy...
August 2017: No Shinkei Geka. Neurological Surgery
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