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Aneurysmal subarachnoid hemorrhage

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https://www.readbyqxmd.com/read/27924052/magnetic-resonance-imaging-and-cerebral-ischemia-after-aneurysmal-subarachnoid-hemorrhage-a-systematic-review-and-meta-analysis
#1
Lisa A van der Kleij, Jill B De Vis, Jean-Marc Olivot, Lionel Calviere, Christophe Cognard, Nicolaas P A Zuithoff, Gabriel J E Rinkel, Jeroen Hendrikse, Mervyn D I Vergouwen
No abstract text is available yet for this article.
December 6, 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27915583/the-six-minute-walk-test-predicts-cardiorespiratory-fitness-in-individuals-with-aneurysmal-subarachnoid-hemorrhage
#2
Wouter J Harmsen, Gerard M Ribbers, Jorrit Slaman, Majanka H Heijenbrok-Kal, Ladbon Khajeh, Fop van Kooten, Sebastiaan J C M M Neggers, Rita J van den Berg-Emons
BACKGROUND: Peak oxygen uptake (VO2peak) established during progressive cardiopulmonary exercise testing (CPET) is the "gold-standard" for cardiorespiratory fitness. However, CPET measurements may be limited in patients with aneurysmal subarachnoid hemorrhage (a-SAH) by disease-related complaints, such as cardiovascular health-risks or anxiety. Furthermore, CPET with gas-exchange analyses require specialized knowledge and infrastructure with limited availability in most rehabilitation facilities...
December 5, 2016: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/27911237/size-and-location-of-ruptured-intracranial-aneurysms-consecutive-series-of-1993-hospital-admitted-patients
#3
Miikka Korja, Riku Kivisaari, Behnam Rezai Jahromi, Hanna Lehto
OBJECTIVE Large consecutive series on the size and location of ruptured intracranial aneurysms (RIAs) are limited, and therefore it has been difficult to estimate population-wide effects of size-based treatment strategies of unruptured intracranial aneurysms. The authors' aim was to define the size and location of RIAs in patients diagnosed with subarachnoid hemorrhage due to aneurysm rupture in a high-volume academic center. METHODS Consecutive patients admitted to a large nonprofit academic hospital with saccular RIAs between 1995 and 2009 were identified, and the size, location, and multiplicity of RIAs were defined and reported by patient sex...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27906765/hemodynamic-disturbances-in-the-early-phase-after-subarachnoid-hemorrhage-regional-cerebral-blood-flow-studied-by-bedside-xenon-enhanced-ct
#4
Henrik Engquist, Anders Lewén, Tim Howells, Ulf Johnson, Elisabeth Ronne-Engström, Pelle Nilsson, Per Enblad, Elham Rostami
BACKGROUND: The mechanisms leading to neurological deterioration and the devastating course of delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH) are still not well understood. Bedside xenon-enhanced computerized tomography (XeCT) enables measurements of regional cerebral blood flow (rCBF) during neurosurgical intensive care. In the present study, CBF characteristics in the early phase after severe SAH were explored and related to clinical characteristics and early clinical course outcome...
November 30, 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/27903014/effects-of-meteorological-variables-on-the-incidence-of-rupture-of-intracranial-aneurysms-in-central-new-jersey
#5
Marissa Kellogg, Dimitriy Petrov, Nitin Agarwal, Nitesh V Patel, David Richard Hansberry, Prateek Agarwal, Michael Brimacombe, Chirag D Gandhi, Charles Prestigiacomo
Introduction Previous studies have suggested relationships between the rupture of intracranial aneurysms and meteorological variables such as season, barometric pressure, and temperature. Our objective was to examine the relationship between the incidence of hospital admissions secondary to aneurysmal subarachnoid hemorrhage (aSAH) and meteorological variables in central New Jersey. Methods The study population consisted of 312 patients who presented to University Hospital in Newark, New Jersey, between January 1, 2003, and December 31, 2008, with aSAH...
November 30, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27900416/-intensive-care-treatment-after-aneurysmal-subarachnoid-hemorrhage
#6
U Jaschinski
Aneurysmal subarachnoid hemorrhage (SAH) is a devastating disease and nearly one third of patients die in the acute phase. Due to the bleeding event, a hyperactive sympathetic nervous system and an uncontrolled inflammatory response have a profound local and systemic impact on other organ functions. Neuroendocrinological disorders and cardiopulmonary morbidity are dominant. Despite a decrease in hospital mortality for high volume centers, a high proportion of survivors suffer from neurological deficits. Knowledge of the pathophysiology of vasospasms in the later stages of the disease has increased...
November 29, 2016: Der Anaesthesist
https://www.readbyqxmd.com/read/27895300/thsd1-thrombospondin-type-1-domain-containing-protein-1-mutation-in-the-pathogenesis-of-intracranial-aneurysm-and-subarachnoid-hemorrhage
#7
Teresa Santiago-Sim, Xiaoqian Fang, Morgan L Hennessy, Stephen V Nalbach, Steven R DePalma, Ming Sum Lee, Steven C Greenway, Barbara McDonough, Georgene W Hergenroeder, Kyla J Patek, Sarah M Colosimo, Krista J Qualmann, John P Hagan, Dianna M Milewicz, Calum A MacRae, Susan M Dymecki, Christine E Seidman, J G Seidman, Dong H Kim
BACKGROUND AND PURPOSE: A ruptured intracranial aneurysm (IA) is the leading cause of a subarachnoid hemorrhage. This study seeks to define a specific gene whose mutation leads to disease. METHODS: More than 500 IA probands and 100 affected families were enrolled and clinically characterized. Whole exome sequencing was performed on a large family, revealing a segregating THSD1 (thrombospondin type 1 domain containing protein 1) mutation. THSD1 was sequenced in other probands and controls...
December 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27890758/surgical-outcome-of-patients-with-very-small-intracranial-aneurysms-a-single-center-experience-from-southern-iran
#8
Abdolkarim Rahmanian, Fariborz Ghaffarpasand, Nima Derakhshan
OBJECTIVES: To report the surgical outcome of very small intracranial aneurysms (VSIAs; ≤3mm) in a large referral neurovascular center in Southern Iran. METHODS: This cross-sectional study was conducted in Southern Iran during a6-year period between 2010 and 2016. We included all the patients with VSIAs (≤3mm) who underwent surgery in our center. All the patients were operated by a single neurosurgeon. Pre- and postoperative CT angiography, intraoperative imaging with indo-cyanine green video angiography was performed in all the cases...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890755/predictors-of-shunt-insertion-in-aneurysmal-subarachnoid-hemorrhage
#9
Rouzbeh Motiei-Langroudi, Nimer Adeeb, Paul M Foreman, Mark R Harrigan, Winfield S Fisher, Nilesh A Vyas, Robert H Lipsky, Beverly C Walters, Shane R Tubbs, Mohammadali M Shoja, Justin M Moore, Raghav Gupta, Christopher S Ogilvy, Ajith T Thomas, Christoph J Griessenauer
OBJECTS: Hydrocephalus is a common complication of aneurysmal subarachnoid hemorrhage (aSAH) requiring permanent cerebrospinal fluid (CSF) diversion in up to two thirds of patients. Factors that predict permanent CSF diversion are not well established. METHODS: An exploratory analysis of 149 patients enrolled in the Cerebral Aneurysm Renin Angiotensin System (CARAS) study was performed in an effort to identify factors predictive of permanent CSF diversion following aSAH; only the 135 patients surviving the initial hospitalization were included in the present study...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890752/delayed-development-of-aneurysms-following-gamma-knife-surgery-for-trigeminal-neuralgia-report-of-2-cases
#10
Hiroki Uchikawa, Toru Nishi, Yasuyuki Kaku, Tomoaki Goto, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Delayed development of intracranial aneurysms is an extremely rare complication of gamma knife surgery (GKS), and so far only 6 cases have been reported. Furthermore, there are no reported cases after GKS for trigeminal neuralgia (TN). Of the above cases, none referred to the natural history or pathophysiology of GKS-related intracranial aneurysm formation. CASE DESCRIPTION: We treated 2 patients who suffered subarachnoid hemorrhage (SAH) due to ruptures of intracranial aneurysms that developed long after GKS...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890750/the-use-of-social-media-communications-in-brain-aneurysms-and-subarachnoid-hemorrhage-a-mixed-method-analysis
#11
Naif M Alotaibi, Nardin Samuel, Justin Wang, Christopher S Ahuja, Daipayan Guha, George M Ibrahim, Tom A Schweizer, Gustavo Saposnik, R Loch Macdonald
BACKGROUND: The diagnosis of a ruptured or unruptured brain aneurysm has a significant impact on patients' quality of life and their psychosocial wellbeing. As a result, patients and caregivers may resort to social media platforms for support and education. The aim of this report is to evaluate the current use of social media and the online communications regarding brain aneurysms. METHODS: Three social media platforms (Facebook, Twitter and YouTube) were assessed for public content pertaining to brain aneurysms in March 2016...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890748/small-unruptured-intracranial-aneurysm-%C3%A2-5mm-associated-with-epilepsy-report-of-2-cases-and-literature-review
#12
Fuxin Lin, Hui Wan, Dezhi Kang, Yuanxiang Lin
BACKGROUND: Due to the continuing improvements in imaging technology, an increasing number of epileptogenic small (≤5mm) unruptured intracranial aneurysms (sUIA) are being diagnosed since 2000. However, they are not systematically described and reviewed until now. CASE DESCRIPTION AND THE LITERATURE REVIEW: We reported 2 patients with sUIA who initially presented with complex partial seizures (CPS). Scalp electroencephalography (EEG) showed the seizures activity arising from the mesial temporal/frontal areas, but conventional magnetic resonance imaging (MRI) scans were normal in both patients...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27888087/coiling-of-a-ruptured-large-internal-carotid-aneurysm-via-extracranial-intracranial-saphenous-vein-bypass-graft-just-after-proximal-ligation-of-the-internal-carotid-artery
#13
Hayato Tajima, Yoshio Araki, Takashi Izumi, Masahiro Nishihori, Sho Okamoto, Toshihiko Wakabayashi
BACKGROUND: Direct and endovascular combined surgery has been performed to treat large to giant internal carotid artery (ICA) aneurysms. This report describes successful treatment of the large ICA aneurysm by coiling of the aneurysm via extracranial-intracranial (EC-IC) saphenous vein graft (SVG) just after bypass and ICA proximal ligation. CASE DESCRIPTION: A 66-year-old woman presented with left ICA supraclinoid aneurysm with progressive visual field defect and impaired visual acuity in the left eye...
November 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27888082/bifurcation-location-is-significantly-associated-with-rupture-of-small-intracranial-aneurysms-5-mm
#14
Xin Feng, Wenjun Ji, Zenghui Qian, Peng Liu, Huibin Kang, Xiaolong Wen, Wenjuan Xu, Youxiang Li, Chuhan Jiang, Zhongxue Wu, Aihua Liu
BACKGROUND: and Purpose: Patients with small (< 5 mm) unruptured intracranial aneurysms (UIAs) are at risk of subarachnoid hemorrhage, but risk assessment of them remains controversy in daily clinical practice. We aimed to identify the risk factors of aneurysmal rupture in these patients. METHODS: We retrospectively analyzed consecutive patients with small UIAs who were admitted to our center between February 2009 and December 2014. The enrolled patients were divided into the ruptured and unruptured groups...
November 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27882440/hemodynamic-changes-in-a-middle-cerebral-artery-aneurysm-at-follow-up-times-before-and-after-its-rupture-a-case-report-and-a-review-of-the-literature
#15
A Sejkorová, K D Dennis, H Švihlová, O Petr, G Lanzino, A Hejčl, D Dragomir-Daescu
Hemodynamic parameters play a significant role in the development of cerebral aneurysms. Parameters such as wall shear stress (WSS) or velocity could change in time and may contribute to aneurysm growth and rupture. However, the hemodynamic changes at the rupture location remain unclear because it is difficult to obtain data prior to rupture. We analyzed a case of a ruptured middle cerebral artery (MCA) aneurysm for which we acquired imaging data at three time points, including at rupture. A patient with an observed MCA aneurysm was admitted to the emergency department with clinical symptoms of a subarachnoid hemorrhage...
November 24, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/27879289/remote-multifocal-bleeding-points-producing-a-sylvian-subpial-hematoma-during-endovascular-coiling-of-an-acutely-ruptured-cerebral-aneurysm
#16
Christopher Alan Hilditch, Hemant Sonwalkar, Siddhartha Wuppalapati
Subpial hematoma is a rare type of intracranial hemorrhage with a poor prognosis. A new mechanism to explain subpial Sylvian hematoma formation in acute post-aneurysmal subarachnoid hemorrhage (SAH) was observed during coiling of a posterior communicating artery aneurysm. Multiple small bleeding points from pial branches of the left middle cerebral artery, which were remote from the ruptured aneurysm, were observed on conventional angiography. This bleeding led to the formation of a large expanding subpial Sylvian hematoma...
November 22, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27873743/aneurysmal-wall-imaging-in-a-case-of-cortical-superficial-siderosis-and-multiple-unruptured-aneurysms
#17
Bertrand Yalo, Raoul Pop, Ielyzaveta Zinchenko, Mihaela Diaconu, Salvatore Chibbaro, Monica Manisor, Valerie Wolff, Remy Beaujeux
We report a case of interhemispheric and bifrontal cortical superficial siderosis in association with two intracranial aneurysms. The patient had no clinical history suggestive of aneurysm rupture, no feature of amyloid angiopathy or other apparent etiology for cortical siderosis. We performed high resolution brain MRI with dark blood T1 sequences before and after IV contrast injection. An anterior communicating aneurysm showed partial wall enhancement on the posterior wall whereas a left posterior communicating aneurysm did not...
November 9, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27871507/use-of-gabaergic-sedatives-after-subarachnoid-hemorrhage-is-associated-with-worse-outcome-preliminary-findings
#18
Daniel N Hertle, Christopher Beynon, Jan O Neumann, Edgar Santos, Renan Sánchez-Porras, Andreas W Unterberg, Oliver W Sakowitz
STUDY OBJECTIVE: Recent experimental evidence identified GABAergic sedation as a possible cause for deprived neuroregeneration and poor outcome after acute brain injury. Patients with aneurysmal subarachnoid hemorrhage are often sedated, and GABAergic sedation, such as midazolam and propofol, is commonly used. DESIGN: Retrospective cohort study based on a prospectively established database. SETTING: Single-center neurointensive care unit. PATIENTS: Twenty-nine patients after subarachnoid hemorrhage...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27871451/aneurysm-rebleeding-after-poor-grade-aneurysmal-subarachnoid-hemorrhage-predictors-and-impact-on-clinical-outcomes
#19
Bing Zhao, Yilin Fan, Ye Xiong, Rong Yin, Kuang Zheng, Zequn Li, Xianxi Tan, Hua Yang, Ming Zhong
BACKGROUND: Aneurysm rebleeding is a major cause of morbidity and mortality after aneurysmal subarachnoid hemorrhage (aSAH) and more often occurs in patients with poor-grade aSAH. Limited data on predictors of rebleeding in these patients are available. OBJECTIVE: To investigate predictors of aneurysm rebleeding after poor-grade aSAH and the association of rebleeding with clinical outcomes. METHODS: A multicenter poor-grade aneurysm study was a prospective and observational registry of consecutive patients who presented with poor-grade aSAH defined as a World Federation of Neurosurgical Societies (WFNS) grade of IV or V...
December 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27871078/cerebral-microhemorrhages-and-meningeal-siderosis-in-infective-endocarditis
#20
Ajay Malhotra, Joseph Schindler, Brian Mac Grory, Stacy Y Chu, Teddy S Youn, Charles Matouk, David M Greer, Matthew Schrag
OBJECTIVE: Patients with infective endocarditis (IE) frequently experience cerebral insults, and neurological involvement in IE has been reported to herald a worse prognosis. In this manuscript, we describe a distinctive pattern of findings on susceptibility-weighted imaging (SWI) sequences in subjects with IE. METHODS: Patients with IE who underwent SWI MRI at an academic hospital from 2009 to 2014 were retrospectively analyzed. The pattern of findings was compared to SWI findings in groups of subjects with cerebral amyloid angiopathy (CAA) or severe hypertension...
November 22, 2016: Cerebrovascular Diseases
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