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Subtype stroke

Cristina Rodríguez, Tomás Sobrino, Jesús Agulla, Verónica Bobo-Jiménez, María E Ramos-Araque, Juan J Duarte, José C Gómez-Sánchez, Juan P Bolaños, José Castillo, Ángeles Almeida
Intracerebral hemorrhage (ICH) is a devastating subtype of stroke that lacks effective therapy and reliable prognosis. Neovascularization following ICH is an essential compensatory response that mediates brain repair and modulates the clinical outcome of stroke patients. However, the mechanism that dictates this process is unknown. Bone marrow-derived endothelial progenitor cells (EPCs) promote endothelial repair and contribute to ischemia-induced neovascularization. The human Tp53 gene harbors a common single-nucleotide polymorphism (SNP) at codon 72, which yields an arginine-to-proline amino-acidic substitution (Arg72Pro) that modulates the apoptotic activity of the p53 protein...
October 21, 2016: Cell Death and Differentiation
Michitaka Funayama, Motoichiro Kato, Masaru Mimura
BACKGROUND: Although post-stroke depression is a well-characterized disorder, there is less understanding of how pre-existence of depression is affected by a stroke. CASE PRESENTATION: We describe a patient with treatment-resistant major depression, which had been ongoing for 14 years but disappeared shortly after onset of a subarachnoid hemorrhage. Her cognitive function and functional status were mostly unaffected by the stroke. However, she no longer excessively regretted past events...
October 19, 2016: BMC Neurology
Haijiang Dai, Yao Lu, Shouling Wu, Hong Yuan
OBJECTIVE: The aim of this study was to prospectively explore the association between visit-to-visit variability of blood pressure (BP) and the risks of stroke and its subtypes. DESIGN AND METHOD: A total of 57 927 participants from a Chinese urban community who have completed all 3 visits between 2006 and 2010 were included in this study. The variability of BP was defined as the coefficient of variation (CV) across 3 visits. Participants without BP information loss or a history of stroke event were then followed until the end of the study...
September 2016: Journal of Hypertension
Hyeon Chang Kim
Disease risk prediction models have been developed to assess the impact of multiple risk factors and to estimate an individual's absolute disease risk. Accurate disease prediction is essential for personalized prevention, because the benefits, risks, and costs of alternative strategies must be weighed to choose the best preventive strategy for individual patients. Cardiovascular disease (CVD) prediction is the earliest example of individual risk predictions. Since the Framingham study reported a CVD risk prediction method in 1976, an increasing number of risk assessment tools have been developed to CVD risk in various settings...
September 2016: Journal of Hypertension
Dao Pei Zhang, Gui Feng Lu, Jie Wen Zhang, Shu Ling Zhang, Qian Kun Ma, Suo Yin
BACKGROUND: We aimed in this study to investigate the prevalence of vertebral artery hypoplasia (VAH) in a population with isolated vertigo in association with stroke risk factors, to determine whether VAH is an independent risk factor for posterior circulation infarction (PCI). METHODS: We sequentially enrolled 245 patients with isolated vertigo with at least 1 vascular risk factor, who were divided into PCI and non-PCI groups, according to present signs of acute infarction on diffusion-weighted magnetic resonance imaging...
October 13, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Bum Joon Kim, Youngshin Yoon, Hoyon Sohn, Dong-Wha Kang, Jong S Kim, Sun U Kwon
BACKGROUND AND PURPOSE: The location of cerebral microbleeds (CMBs) may differ according to ischemic stroke subtype, and the underlying pathomechanism may differ by their location. Here, we investigated the characteristics of CMBs according to various ischemic stroke subtypes to verify this issue. METHODS: Patients with acute ischemic stroke were consecutively included. The presence of CMBs was determined by gradient echo image sequence. The distribution of CMBs was classified as deep, lobar, or diffuse (both deep and lobar)...
September 2016: Journal of Stroke
Dilip M Rampure, Sravanthi Uppalapati
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Chung Jen Lin, Jen Tsung Yang, Yen Chu Huang, Yuan Hsiung Tsai, Ming Hsueh Lee, Meng Lee, Cheng Ting Hsiao, Kuang Yu Hsiao, Leng Chieh Lin
BACKGROUND: Dehydration is associated with acute ischemic stroke. However, the relationship between hydration therapy given during acute ischemic stroke and clinical outcomes remains unclear. AIMS: We determined whether hydration therapy in patients with a blood urea nitrogen/creatinine (BUN/Cr) ratio of at least 15 improved clinical outcome. METHODS: We conducted a nonblinded, phase II, single-arm, prospective study of patients with acute ischemic stroke and BUN/Cr ratio of at least 15 with historical controls...
September 17, 2016: American Journal of Emergency Medicine
Li-Xue Zhao, Jun-Rong Du, Hong-Jing Zhou, Dong-Ling Liu, Man-Xia Gu, Fang-Yi Long
BACKGROUND: Peroxiredoxins (Prxs) are proposed to function as damage-associated molecular patterns (DAMPs) and contribute to post-ischemic neuroinflammation and brain injury by activating Toll-like receptor (TLR) 4 at the acute and subacute phases after ischemic stroke. However, there are few studies concerning the inflammatory profiles of six distinct subtypes of Prxs (Prx1-Prx6). Our previous study demonstrated that the protective effect of ligustilide (LIG) against cerebral ischemia was associated with inhibition of neuroinflammatory response and Prx/TLR4 signaling in rats...
2016: PloS One
Jiang Xie, Bin Wang, Lian Wang, Fang Dong, Gang Bai, Yongjun Liu
BACKGROUND Intracerebral hemorrhage (ICH) is one severe subtype of stroke, with a very complex pathology. Stem cell-based therapy holds promising potential in the treatment of neurological disorders. Human umbilical cord-derived mesenchymal stem cells (UC-MSCs) have a therapeutic effect in recovery from brain damage following ICH. The aim of this study was to identify an effective and convenient way of using UC-MSCs in the ICH rat model. MATERIAL AND METHODS CM-DiI-labeled human UC-MSCs were transplanted intracerebrally or intravenously into collagenase VII-induced ICH rat models...
October 5, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Hansaem Choe, Ji-Yun Hwang, Jin A Yun, Ji-Myung Kim, Tae-Jin Song, Namsoo Chang, Yong-Jae Kim, Yuri Kim
BACKGROUND/OBJECTIVES: This study was conducted to examine relationships between dietary habits and intakes of antioxidants and B vitamins and the risk of ischemic stroke, and to compare dietary factors according to the presence of cerebral artery atherosclerosis and stroke subtypes. SUBJECTS/METHODS: A total of 147 patients and 144 control subjects were recruited consecutively in the metropolitan area of Seoul, Korea. Sixty participants each in the case and control groups were included in analyses after 1:1 frequency matching...
October 2016: Nutrition Research and Practice
Ye Wen, Fu-Hua Pi, Pi Guo, Wen-Ya Dong, Yu-Qing Xie, Xiang-Yu Wang, Fang-Fang Xia, Shao-Jie Pang, Yan-Chun Wu, Yuan-Yuan Wang, Qing-Ying Zhang
Sleep habits are associated with stroke in western populations, but this relation has been rarely investigated in China. Moreover, the differences among stroke subtypes remain unclear. This study aimed to explore the associations of total stroke, including ischemic and hemorrhagic type, with sleep habits of a population in southern China. We performed a case-control study in patients admitted to the hospital with first stroke and community control subjects. A total of 333 patients (n = 223, 67.0%, with ischemic stroke; n = 110, 23...
October 4, 2016: Scientific Reports
Mitsumasa Umesawa, Gen Kobashi
Hypertensive disorders in pregnancy (HDP) represent some of the most important problems faced by public health because HDP is a major cause of maternal and prenatal morbidity and mortality. Several epidemiological studies have been performed to determine the prevalence and risk factors of HDP as well as its subtypes. The prevalences of HDP, gestational hypertension and preeclampsia are 5.2-8.2%, 1.8-4.4% and 0.2-9.2%, respectively. Body mass index, anemia and lower education appear to be modifiable risk factors for HDP...
September 29, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Tae-Won Kim, In-Uk Song, Sung-Woo Chung
BACKGROUND: Although D-dimer levels are significantly associated with cardioembolic infarction, the significance of D-dimer levels in relation to the severity and functional outcomes of other stroke subtypes, such as lacunar and large artery atherosclerosis infarction, remains unclear. The purpose of this study was to evaluate whether elevated initial D-dimer levels are significantly and cross-sectionally associated with poor functional outcomes at each time point during a 9-month follow-up period...
September 28, 2016: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
Tingting Chen, Ninghua Liu, Jinxuan Liu, Xiaoying Zhang, Zhen Huang, Yuhui Zang, Jiangning Chen, Lei Dong, Junfeng Zhang, Zhi Ding
OBJECTIVE: The skin is an important immunological barrier of the body as well as an optimal route for vaccine administration. Gua Sha, which involves press-stroke treatment of the skin, is an effective folk therapy, widely accepted in East Asia, for various symptoms; however, the mechanisms underlying its therapeutic effects have not been clarified. We investigated the influence of Gua Sha on the immunological features of the skin. METHODS: Gua Sha was performed on BALB/c mice and the effects were evaluated using anatomical, histological, and cytometric methods as well as cytokine determination locally and systemically...
2016: PeerJ
Toshiyuki Uehara, Kazuo Minematsu, Tomoyuki Ohara, Kazumi Kimura, Yasushi Okada, Yasuhiro Hasegawa, Norio Tanahashi, Akifumi Suzuki, Shigeharu Takagi, Jyoji Nakagawara, Kazumasa Arii, Shinji Nagahiro, Kuniaki Ogasawara, Shinichiro Uchiyama, Masayasu Matsumoto, Koji Iihara, Kazunori Toyoda
BACKGROUND: Incidence and predictors of ischemic stroke in patients with transient ischemic attack (TIA) have not been fully clarified outside Europe and North America. AIMS: We undertook the present prospective, multicenter study to clarify the incidence, predictors, and etiology of ischemic stroke within one year of TIA onset in Japan. METHODS: The study subjects were patients within seven days of TIA onset who were enrolled in a prospective register from 57 hospitals between June 2011 and December 2013...
September 20, 2016: International Journal of Stroke: Official Journal of the International Stroke Society
Aparna Pandey, Amit Shrivastava, Ashok Solanki
BACKGROUND: Stroke is one of the most frequent causes of death and disability worldwide and has significant clinical and socioeconomic impact. Hyperlipidemia and inflammation play major roles in atherothrombosis and in stroke. This study is conducted to compare the high sensitive C-reactive protein (hs-CRP) levels and the lipid profile parameters between stroke patients and control group and demonstrate correlation between markers, neurological deficit, and short-term outcome. METHODS: We have studied a total 162 patients according to inclusion criteria...
July 6, 2016: Iranian Journal of Neurology
Á Sánchez-Larsen, J García-García, O Ayo-Martín, F Hernández-Fernández, I Díaz-Maroto, E Fernández-Díaz, M Monteagudo, T Segura
OBJECTIVES: We aimed to determine whether the aetiology of ischaemic stroke has changed in recent years and, if so, to ascertain the possible reasons for these changes. PATIENTS AND METHODS: We analysed the epidemiological history and vascular risk factors of all patients diagnosed with ischaemic stroke at Complejo Hospitalario Universitario de Albacete (CHUA) from 2009 to 2014. Ischaemic stroke subtypes were established using the TOAST criteria. Our results were compared to data from the classic Stroke Data Bank (SDB); in addition, both series were compared to those of other hospital databases covering the period between the two...
September 16, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Chia-To Wang, Eric Chuang, Der-Jen Yen, Tien-Yow Chuang, Chih-Hsin Muo, Chia-Hung Kao
OBJECTIVE: This study was designed to determine the prevalence, subtypes and risk factors of first-ever stroke following hip replacement (HR) in a large population of Taiwan. METHODS: Using the National Health Insurance system of Taiwan, we identified patients undergoing HR from 2000 to 2011 and randomly selected 4 : 1 age- and sex-matched controls for each HR patients. The index date for HR patients was defined the date for HR. All study subjects were followed from the index date until stroke occurred at admission...
September 20, 2016: European Journal of Clinical Investigation
Haijiang Dai, Yao Lu, Shouling Wu, Hong Yuan
OBJECTIVE: The aim of this study was to prospectively explore the association between visit-to-visit variability of blood pressure (BP) and the risks of stroke and its subtypes. DESIGN AND METHOD: A total of 57 927 participants from a Chinese urban community who have completed all 3 visits between 2006 and 2010 were included in this study. The variability of BP was defined as the coefficient of variation (CV) across 3 visits. Participants without BP information loss or a history of stroke event were then followed until the end of the study...
September 2016: Journal of Hypertension
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