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Subarachnoid hemorrhage

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https://www.readbyqxmd.com/read/28437813/presenting-symptoms-of-pituitary-apoplexy
#1
Efstratios-Stylianos Pyrgelis, Ioannis Mavridis, Maria Meliou
The classical term "pituitary apoplexy" (PA) describes a clinical syndrome usually characterized by abrupt onset of headache accompanied by neurologic and/or endocrinologic deterioration due to sudden expansion of a mass within the sella turcica as a result of hemorrhage or infarction within a pituitary tumor and adjacent pituitary gland. PA is a medical emergency and a difficult diagnosis to establish. Thus this article reviews the presenting symptoms of PA patients to help clinicians recognize or at least suspect this critical condition early on...
April 24, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28437485/t-cell-function-is-dispensable-for-intracranial-aneurysm-formation-and-progression
#2
Haruka Miyata, Hirokazu Koseki, Katsumi Takizawa, Hidetoshi Kasuya, Kazuhiko Nozaki, Shuh Narumiya, Tomohiro Aoki
Given the social importance of intracranial aneurysm as a major cause of a lethal subarachnoid hemorrhage, clarification of mechanisms underlying the pathogenesis of this disease is essential for improving poor prognosis once after rupture. Previous histopathological analyses of human aneurysm walls have revealed the presence of T cells in lesions suggesting involvement of this type of cell in the pathogenesis. However, it remains unclear whether T cell actively participates in intracranial aneurysm progression...
2017: PloS One
https://www.readbyqxmd.com/read/28436243/comparison-of-the-timing-of-intervention-and-treatment-modality-of-poor-grade-aneurysmal-subarachnoid-hemorrhage
#3
Tomasz Tykocki, Marcin Czyż, Małgorzata Machaj, Dorota Szydlarska, Bogusław Kostkiewicz
OBJECTIVES: The timing and modality of intervention in the treatment of poor-grade aneurysmal subarachnoid haemorrhage (aSAH) has not been defined. The purpose of the study is to analyse whether early treatment and type of intervention influence the clinical outcomes of poor-grade aSAH patients. MATERIAL AND METHODS: Patients with poor-grade aSAH were retrieved. Demographics, Fisher grade, radiological characteristics and clinical outcomes were recorded. Outcomes were compared using the modified Rankin Scale (mRS), for groups treated early within 24 hours of aSAH or later and by clipping or endovascular therapy...
April 24, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28435903/non-aneurysmal-and-non-traumatic-subarachnoid-hemorrhage-after-attempted-suicide-by-incomplete-hanging
#4
Tae Hu Kim, Soo Hoon Lee, Dong Hoon Kim, Seong Chun Kim, Wonyoungyong Jin, So Yeon Kim, Sang Heon Shin, Sang Bong Lee
Hanging is a common method of suicide that is being reported more frequently in many countries. Several complications including injuries to the cervical spine, neck vessels, and brain can occur after attempted suicide by hanging. There are only a few reports of brain computed tomography and magnetic resonance imaging of hanging victims. The most common abnormality was diffuse cerebral edema. A subarachnoid hemorrhage is an atypical complication by suicidal hanging. We report a case of a female patient who presented to an emergency department with altered mental status after attempting suicide by incomplete hanging...
March 2017: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/28435271/recombinant-human-brain-derived-neurotrophic-factor-prevents-neuronal-apoptosis-in-a-novel-in-vitro-model-of-subarachnoid-hemorrhage
#5
Mingchang Li, Yuefei Wang, Wei Wang, Changlin Zou, Xin Wang, Qianxue Chen
Subarachnoid hemorrhage (SAH) is a hemorrhagic stroke with high mortality and morbidity. An animal model for SAH was established by directly injecting a hemolysate into the subarachnoid space of rats or mice. However, the in vitro applications of the hemolysate SAH model have not been reported, and the mechanisms remain unclear. In this study, we established an in vitro SAH model by treating cortical pyramidal neurons with hemolysate. Using this model, we assessed the effects of recombinant human brain-derived neurotrophic factor (rhBDNF) on hemolysate-induced cell death and related mechanisms...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28434443/aneurysmal-subarachnoid-hemorrhage
#6
Athanasios K Petridis, Marcel A Kamp, Jan F Cornelius, Thomas Beez, Kerim Beseoglu, Bernd Turowski, Hans-Jakob Steiger
BACKGROUND: Aneurysmal subarachnoid hemorrhage (SAH) is associated with a mortality of more than 30%. Only about 30% of patients with SAB recover sufficiently to return to independent living. METHODS: This article is based on a selective review of pertinent literature retrieved by a PubMed search. RESULTS: Acute, severe headache, typically described as the worst headache of the patient's life, and meningismus are the characteristic manifestations of SAH...
March 31, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28433386/bilateral-fusiform-aneurysms-of-the-internal-carotid-arteries-presenting-with-subarachnoid-hemorrhage
#7
Sina Jelodar, Mohammad Shirani, Amin Tavallayi, Mehdi Ketabchi, Maysam Alimohamadi
Fusiform aneurysms of cerebral arteries are less prevalent than saccular aneurysms and are rarely associated with subarachnoid hemorrhage (SAH). In this article, we report SAH due to a rare case of bilateral fusiform aneurysm of the supraclinoid segment of the internal carotid arteries (ICAs) (C4 segment of the ICA).
April 19, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28431869/the-diagnostic-and-prognostic-value-of-the-optic-nerve-sheath-diameter-on-ct-for-diagnosis-spontaneous-subarachnoid-hemorrhage
#8
Murat Yesilaras, Turgay Yilmaz Kilic, Suveyda Yesilaras, Ozge Duman Atilla, Dilek Öncel, Mahmut Çamlar
INTRODUCTION: The aim of this study was to investigate the relationship between the optic nerve sheath diameter (ONSD) measured on non-contrast head computed tomography (CT) and the diagnosis and prognosis of spontaneous subarachnoid hemorrhage (SAH) on emergency department (ED) patients. METHOD: We used a matched control group of patients with the same age and gender who were diagnosed in the ED with spontaneous SAH and who admitted to the ED with headache. Four emergency medicine attending physicians made the ONSD measurements...
April 14, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28431602/a-comprehensive-analysis-of-the-relationship-between-aca-velocities-and-aca-infarction-following-aneurysmal-subarachnoid-hemorrhage
#9
Michael Moussouttas, Jocelyn Cheng, Joseph Antonakakis, Ameesh Patel, Maria Iuanow
PURPOSE: To evaluate the relationship between anterior cerebral artery (ACA) velocities (and ancillary parameters) and ACA infarction following aneurysmal subarachnoid hemorrhage (aSAH), and to examine the factors that influence velocities. METHODS: Retrospective investigation of 500 consecutive aSAH patients. ACA mean velocities (Vm) were evaluated by daily transcranial ultrasound during the early (days 1-4) and late (days 5-20) periods posthemorrhage. Presence and timing of acute ACA infarctions were identified by serial retrospective review of cerebral computerized tomography (CT) scans...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28430295/multiple-cerebral-fusiform-aneurysms-involving-the-posterior-and-anterior-circulation-including-the-anterior-cerebral-artery-a-case-report
#10
Sumit Das, Tibor Valyi-Nagy
<i>Multiple fusiform aneurysms occurring in a single patient are very uncommon. Fusiform aneurysms affecting the anterior circulation are extremely rare and reported cases involve the middle cerebral artery and internal carotid artery. We report here a case of a 55-year-old African American male who had a history of multiple strokes and who was found unresponsive prior to his latest hospital admission. Neuroimaging was remarkable for multiple fusiform aneurysms involving segments of the anterior, middle and posterior cerebral arteries as well as subarachnoid and intraparenchymal hemorrhage...
2017: Folia Neuropathologica
https://www.readbyqxmd.com/read/28430143/associations-between-temperature-and-hospital-admissions-for-subarachnoid-hemorrhage-in-korea
#11
Suji Lee, Matthias Guth
The relationship between temperature and subarachnoid hemorrhage (SAH) is less studied than that between temperature and myocardial infarction or other cardiovascular diseases. This study investigated the association between daily temperature and risk of SAH by analyzing the hospital admission records of 111,316 SAH patients from 2004 to 2012 in Korea. A Poisson regression model was used to examine the association between temperature and daily SAH hospital admissions. To analyze data and identify vulnerable groups, we used the following subgroups: sex, age, insurance type, area (rural or urban), and different climate zones...
April 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28427486/serum-gamma-glutamyl-transferase-levels-predict-functional-outcomes-after-aneurysmal-subarachnoid-hemorrhage
#12
Tian Xu, Wei Wang, Lin Zhai, Yun Feng Zhang, Hong Zhi Zhou, Xin Min Wu, Ai Hong Li, Li Li Xie, Xiao Jin Ning, Yu Teng Ji, Hong Mei Wang, Kai Fu Ke
OBJECTIVE: We aim to explore the potential association between serum gamma-glutamyl transferase levels and functional outcome after aneurysmal subarachnoid hemorrhage in a Chinese population. METHODS: A total of 386 aneurysmal subarachnoid hemorrhage patients were included in the study from September 2007 to February 2015. Baseline serum gamma-glutamyl transferase levels and 6-month follow-up functional outcomes were determined. A poor outcome was defined as a modified ranking scale score of ⋝ 3...
March 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28427127/-surgical-management-of-ophthalmic-artery-aneurysms-via-minimally-invasive-frontolateral-approach
#13
J T Wang, Z S Kan, S Wang
Objective: To explore the minimally invasive techniques and outcome of carotid ophthalmic artery aneurysms clipping via a frontolateral approach. Methods: The clinical data of 95 patients with carotid ophthalmic artery aneurysms treated via frontolateral approach in the last 1.5 years in Beijing Tiantan Hospital and Beijing Anzhen Hospital were analyzed retrospectively.Before the operation, digital subtraction angiogram (DSA) was performed among all patients.The patients were divided into two groups by the lateral approach...
April 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28426854/elevated-baseline-c-reactive-protein-as-a-predictor-of-outcome-after-aneurysmal-subarachnoid-hemorrhage-data-from-the-simvastatin-in-aneurysmal-subarachnoid-hemorrhage-stash-trial-erratum
#14
https://www.readbyqxmd.com/read/28421877/biomarkers-in-adult-posthemorrhagic-hydrocephalus
#15
Cong Hua, Gang Zhao
Posthemorrhagic hydrocephalus is a severe complication following intracranial hemorrhage. Posthemorrhagic hydrocephalus is often associated with high morbidity and mortality and serves as an important clinical predictor of adverse outcomes after intracranial hemorrhage. Currently, no effective medical intervention exists to improve functional outcomes in posthemorrhagic hydrocephalus patients because little is still known about the mechanisms of posthemorrhagic hydrocephalus pathogenesis. Because a better understanding of the posthemorrhagic hydrocephalus pathogenesis would facilitate development of clinical treatments, this is an active research area...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28419304/incorporating-a-modified-graeb-score-to-the-modified-fisher-scale-for-improved-risk-prediction-of-delayed-cerebral-ischemia-following-aneurysmal-subarachnoid-hemorrhage
#16
Matt E Eagles, Blessing N R Jaja, R Loch Macdonald
BACKGROUND: Delayed cerebral ischemia (DCI) is a cause of poor outcome after aneurysmal subarachnoid hemorrhage. Risk scales to predict DCI have scarcely been evaluated for predictive accuracy. Accounting for volume of intraventricular hemorrhage (IVH) in the modified Fischer scale (mFS) may improve its predictive accuracy. OBJECTIVE: To compare the modified Graeb score (mGS) to the mFS for risk prediction of DCI, and to investigate whether incorporating an mGS cut-point into the mFS could improve predictive accuracy...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419294/preliminary-study-of-tirofiban-infusion-in-coil-embolization-of-ruptured-intracranial-aneurysms
#17
Chang Hyo Yoon, Ho-Won Lee, Young Soo Kim, Sang Won Lee, Jeong A Yeom, Jieun Roh, Seung Kug Baik
BACKGROUND: There have been some reports on the use of intra-arterial tirofiban in ruptured intracranial aneurysms, but few studies have reported on the use of 24 h of intravenous tirofiban infusion in patients with subarachnoid hemorrhage. OBJECTIVE: To present our experience with intravenous tirofiban infusion, in the form of a monotherapy as well as in addition to intra-arterial tirofiban, as a prophylactic, and as a rescue management for thrombus in patients who have undergone embolization with coils for ruptured intracranial aneurysms...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28416786/basilar-artery-vasospasm-after-pretuncal-non-aneurysmal-subarachnoid-hemorrhage-responding-to-milrinone
#18
Abdulrahman Y Alturki, Abdullah S Alamri, Mohamed M Badawy, Benjamin W Lo
Pretruncal (perimesencephalic) non-aneurysmal subarachnoid hemorrhage (PNSAH) is uniformly associated with an excellent outcome. Although cerebral vasospasm remains a common complication of SAH and constitutes an important predictor of outcome, in the setting of PNSAH, it is extremely rare. Preturnal non-aneurysmal subarac refers to a subset of SAH patients with a characteristic pattern of localized blood on CT of the head, normal cerebral angiography, and benign course when compared to the aneurysmal SAH population...
April 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28416407/relationship-between-hemorrhagic-complications-and-target-vessels-in-acute-thrombectomy
#19
Manabu Shirakawa, Shinichi Yoshimura, Kazutaka Uchida, Seigo Shindo, Kiyofumi Yamada, Junko Kuroda, Toshinori Takagi, Yoshihiro Takada, Reiichi Ishikura
PURPOSE: Intracranial hemorrhage after thrombectomy using a catheter to treat acute major cerebral artery occlusion is known to exacerbate patient outcomes. This study was performed to determine the relationship between middle cerebral artery (MCA) tortuosity and postoperative hemorrhage. METHODS: We examined 111 consecutive patients who underwent acute thrombectomy for major intracranial artery occlusion in the anterior circulation at our hospital between September 2013 and June 2016...
April 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28415958/glycyrrhizic-acid-exerts-anti-inflammatory-effect-to-improve-cerebral-vasospasm-secondary-to-subarachnoid-hemorrhage-in-a-rat-model
#20
Yi Li, Fengbin Sun, Zhaohui Jing, Xuhui Wang, Xuming Hua, Liang Wan
This study aimed to investigate the therapeutic effect of glycyrrhizic acid (GA) on the cerebral vasospasm (CVS) in a rat subarachnoid hemorrhage (SAH) model and to explore the potential mechanism. A total of 44 healthy male rats were randomly assigned into 3 groups: control group (n = 12), SAH group (n = 16) and GA group (n = 16). No treatment was conducted in control group; in SAH group and GA group, experimental CVS was induced using a double-hemorrhage model and then rats were intraperitoneally injected with normal saline and GA at 10 mg/kg, respectively, once daily...
April 17, 2017: Neurological Research
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