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Homocysteine and stroke

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https://www.readbyqxmd.com/read/29118917/influence-of-renal-function-on-the-association-between-homocysteine-level-and-risk-of-ischemic-stroke
#1
Yao Cheng, Fan-Zhen Kong, Xiao-Feng Dong, Qin-Rong Xu, Qian Gui, Wei Wang, Hong-Xuan Feng, Wei-Feng Luo, Zong-En Gao, Guan-Hui Wu
We examined whether the association between total homocysteine (tHCY) and risk of ischemic stroke (IS) varies depending on renal function to gain insight into why tHCY-lowering vitamins do not reduce the incidence of cardiovascular disease in clinical trials. We analyzed data from 542 IS patients with large artery atherosclerosis (LAA) or small artery occlusion (SAO) after stratification by estimated glomerular filtration rate (eGFR) to evaluate renal function. We found that tHCY level was positively associated with the occurrence of IS in both LAA (OR: 1...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29118764/folic-acid-and-homocysteine-in-chronic-kidney-disease-and-cardiovascular-disease-progression-which-comes-first
#2
REVIEW
Giuseppe Cianciolo, Antonio De Pascalis, Luca Di Lullo, Claudio Ronco, Chiara Zannini, Gaetano La Manna
Background: Hyperhomocysteinemia (Hhcy) occurs in about 85% of chronic kidney disease (CKD) patients because of impaired renal metabolism and reduced renal excretion. Folic acid (FA), the synthetic form of vitamin B9, is critical in the conversion of homocysteine (Hcy) to methionine. If there is not enough intake of FA, there is not enough conversion, and Hcy levels are raised. Summary: Hhcy is regarded as an independent predictor of cardiovascular morbidity and mortality in end-stage renal disease...
October 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/29113388/association-of-mir-146a-mir-149-mir-196a2-mir-499-gene-polymorphisms-with-ischemic-stroke-in-a-chinese-people
#3
Hong-Cheng Luo, Qi-Sheng Luo, Chun-Fang Wang, Ming Lei, Bei-Lin Li, Ye-Sheng Wei
This study aimed to investigate genetic polymorphisms of miR-146a, miR-149, miR-196a2, and miR-499 and genetic susceptibility of ischemic stroke in the population of Guangxi in China. A case-control study was used to investigate miRNAs genetic polymorphisms in 298 patients with ischemic stroke and 303 healthy controls. Single-base extension polymerase chain reaction genotyping principle was used to detect genetic polymorphisms of miRNAs,and the relationship of genotype in each group and blood lipid was compared and analyzed...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29111029/hematoma-volume-is-a-predictive-factor-of-disturbed-autoregulation-after-spontaneous-intracerebral-hemorrhage
#4
Hongyin Ma, Zhen-Ni Guo, Xin Sun, Jia Liu, Shan Lv, Lu Zhao, Weitong Guo, Hang Jin, Yi Yang
BACKGROUND: Dynamic cerebral autoregulation (dCA) is probably disturbed after spontaneous intracerebral hemorrhage (ICH) and could be an independent predictor of clinical outcome. Clinical determinants of dCA status after ICH need to be further elucidated. METHODS: We finally enrolled 53 patients diagnosed with supratentorial ICH within 6days from onset. DCA was assessed 4-6days after ICH onset by monitoring middle cerebral artery blood flow velocities and simultaneous arterial blood pressure continuously, utilizing transcranial Doppler combined with a servo-controlled finger plethysmograph...
November 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29078842/folic-acid-supplementation-for-stroke-prevention-in-patients-with-cardiovascular-disease
#5
REVIEW
Tao Tian, Kun-Qi Yang, Jin-Gang Cui, Lan-Lan Zhou, Xian-Liang Zhou
BACKGROUND: Controversy remains regarding the efficacy of folic acid supplementation in reducing the risk of stroke. This study aimed to evaluate the effect of folic acid supplementation on stroke prevention in patients with cardiovascular disease (CVD). MATERIALS AND METHODS: We searched the PubMed, EMBASE and Cochrane Library databases through October 2016 to identify randomized clinical trials of folic acid supplementation to prevent stroke in patients with CVD...
October 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29063076/restless-legs-syndrome-secondary-to-pontine-infarction-clinical-analysis-of-five-cases
#6
Hou-Zhen Tuo, Ze-Long Tian, Yi-Nong Cui, Xiao-Yang Ma, Chun-Ling Xu, Hong-Yan Bi, Li-Yan Zhang, Yong-Bo Zhang, Wei-Dong Le, William Ondo
OBJECTIVE: Pontine infarction is a common type of stroke in the cerebral deep structures, resulting from occlusion of small penetrating arteries, may manifest as hemi-paralysis, hemi-sensory deficit, ataxia, vertigo, and bulbar dysfunction, but patients presenting with restless legs syndrome (RLS) are extremely rare. Herein, we reported five cases with RLS as a major manifestation of pontine infarction. METHODS: Five cases of pontine infarction related RLS were collected from July 2013 to February 2016...
September 2017: Chronic Dis Transl Med
https://www.readbyqxmd.com/read/29050786/homocysteine-in-non-valvular-atrial-fibrillation-role-and-clinical-implications
#7
REVIEW
Yan Yao, Mei-Sheng Shang, Jian-Zeng Dong, Chang-Sheng Ma
Atrial fibrillation (AF), the most common sustained arrhythmia, is associated with a series of adverse complications that cause so-called AF socioeconomic burden. Apart from the classical risk factors, it seems to be novel factors that increase the risk of AF and AF-related stroke. Recently, more and more evidence has well documented the close relationships between homocysteine (Hcy) and AF. As a well-known marker for pro-oxidation and pro-inflammation, Hcy plays an important role in a number of vascular diseases having strong association with AF...
October 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29041003/depression-in-the-context-of-medical-disorders-new-pharmacological-pathways-revisited
#8
Undine E Lang, Marc Walter
The depressive state has been characterised as one of elevated inflammation, changed cardiovascular parameters and a deranged metabolic situation all of which holds promise for a better understanding and handling of treatment-resistance in affective disorders as well as for future developments in treatment algorithms. In this context several biomarkers are differentially regulated by antidepressant treatment and connected to metabolic, inflammatory, cardiovascular and apoptotic components of the pathophysiology, i...
October 17, 2017: Neuro-Signals
https://www.readbyqxmd.com/read/29032752/association-between-apolipoproteins-ai-and-b-and-ultrasound-indicators-of-carotid-atherosclerosis
#9
Zeljko Zivanovic, Ivana Divjak, Mirjana Jovicevic, Tamara Rabi-Zikic, Biljana Radovanovic, Svetlana Ruzicka-Kaloci, Djordje Stevan Popovic, Edita Stokic, Ksenija Gebauer-Bukurov, Katarina Zivanovic-Vujcic, Petar Slankamenac
BACKGROUND: Apolipoproteins A-I and B (apoA-I and apoB) may be better indicators of the risk of cardiovascular and cerebrovascular diseases than conventional risk factors (RFs). The onset of ischemic stroke (IS) may be preceded by the development of atherosclerotic changes in carotid arteries, which can be detected by ultrasound. Only a certain % of patients with IS have an (underlying) carotid etiology. OBJECTIVE: The aim of our study was to determine the association between ultrasound indicators of carotid atherosclerosis and the presence of apolipoproteins and other biomarkers in patients with IS...
October 10, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29030456/association-between-percent-decline-in-serum-total-homocysteine-and-risk-of-first-stroke
#10
Xiao Huang, Youbao Li, Ping Li, Jianping Li, Huihui Bao, Yan Zhang, Binyan Wang, Ningling Sun, Jiguang Wang, Mingli He, Delu Yin, Genfu Tang, Yundai Chen, Yiming Cui, Yining Huang, Fan Fan Hou, Xianhui Qin, Yong Huo, Xiaoshu Cheng
OBJECTIVE: To examine whether a change in serum total homocysteine (tHcy) levels is associated with first stroke risk in a post hoc analysis of the China Stroke Primary Prevention Trial (CSPPT). METHODS: We analyzed 16,867 participants of the CSPPT with tHcy measurements at both baseline and exit visits. The primary outcome was first stroke. The secondary outcome was a composite of cardiovascular events consisting of cardiovascular death, myocardial infarction, and stroke...
November 14, 2017: Neurology
https://www.readbyqxmd.com/read/28986198/role-of-hyperhomocysteinemia-and-hyperuricemia-in-pathogenesis-of-atherosclerosis
#11
REVIEW
Junjie Zhao, Hailin Chen, Ning Liu, Jun Chen, Youquan Gu, Jiangjun Chen, Kui Yang
BACKGROUND: The mechanisms of hyperhomocysteinemia (HHcy) and hyperuricemia (HUA) that promote atherosclerosis were seldom explored and always indefinite. Therefore, we will discuss some new reviews about the role of HHcy and HUA in the pathogenesis of atherosclerosis. METHODS: This study was conducted by reading a lot of literature, including basic research and clinical application research. RESULTS: HHcy is known as an independent risk factor for atherosclerosis...
October 3, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28975971/the-relationship-between-serum-cxcl16-level-and-carotid-vulnerable-plaque-in-patients-with-ischemic-stroke
#12
G Jin
OBJECTIVE: We investigated the relationship between the serum macrophage chemokine ligand 16 (CXCL16) levels and the vulnerable carotid plaque in patients with ischemic stroke. PATIENTS AND METHODS: We successively selected 118 cases of patients with an initial diagnosis of acute ischemic stroke (time of onset < 72 h), recorded risk factors, including gender, age, family history, smoking, body mass index, blood glucose levels, blood lipid levels, average systolic pressure and diastolic blood pressure (DBP) and homocysteine levels...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28963520/interplay-between-3-utr-polymorphisms-in-the-methylenetetrahydrofolate-reductase-mthfr-gene-and-the-risk-of-ischemic-stroke
#13
Jung Oh Kim, Han Sung Park, Chang Soo Ryu, Jung-Won Shin, Jinkwon Kim, Seung Hun Oh, Ok Joon Kim, Nam Keun Kim
Stroke incidence is a multifactorial disease and especially hyperhomocysteinemia is associated with a higher risk of stroke. Previous studies have reported a folate metabolism disorder associated with the MTHFR gene. We investigated four single nucleotide polymorphisms in the MTHFR 3'-UTR [2572 C > A (rs4846049), 4869 C > G (rs1537514), 5488 C > T (rs3737967), and 6685 T > C (rs4846048)] to elucidate associations between ischemic stroke prevalence and prognosis. We examined 511 consecutive patients with ischemic stroke...
September 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28953609/incidence-and-risk-factors-of-leukoaraiosis-from-4683-hospitalized-patients-a-cross-sectional-study
#14
Qing Lin, Wen-Qing Huang, Qi-Lin Ma, Cong-Xia Lu, Sui-Jun Tong, Jin-Hu Ye, Hui-Nuan Lin, Long Gu, Ke-Hui Yi, Liang-Liang Cai, Chi-Meng Tzeng
Leukoaraiosis (LA) refers to white matter hyperintensities or white matter lesions (WMLs) on magnetic resonance imaging (MRI) scans of the brain; this disease is associated with an increased risk of stroke, dementia, and cognitive decline. The aims of the study are to assess the incidence of LA and its associated risk factors in a Chinese population.A hospital-based cross-sectional study was conducted that included 4683 patients who were 40 years or older. Data collected included age, sex, hypertension, diabetes, smoking, drinking, homocysteine (HCY), and low-density lipoprotein cholesterol (LDL-C) levels in the blood in addition to brain MRI information...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28925645/vitamin-b12-deficiency-recognition-and-management
#15
Robert C Langan, Andrew J Goodbred
Vitamin B12 deficiency is a common cause of megaloblastic anemia, various neuropsychiatric symptoms, and other clinical manifestations. Screening average-risk adults for vitamin B12 deficiency is not recommended. Screening may be warranted in patients with one or more risk factors, such as gastric or small intestine resections, inflammatory bowel disease, use of metformin for more than four months, use of proton pump inhibitors or histamine H2 blockers for more than 12 months, vegans or strict vegetarians, and adults older than 75 years...
September 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28923114/homocysteine-exaggerates-microglia-activation-and-neuroinflammation-through-microglia-localized-stat3-overactivation-following-ischemic-stroke
#16
Shuang Chen, Zhiping Dong, Man Cheng, Yaqian Zhao, Mengying Wang, Na Sai, Xuan Wang, Huan Liu, Guowei Huang, Xumei Zhang
BACKGROUND: Elevated plasma homocysteine (Hcy) levels have been indicated as a strong and modifiable risk factor of ischemic stroke; the previous studies have shown that exposure to Hcy activates cultured microglia. However, whether neurotoxicity of Hcy involves microglia activation following brain ischemia and the underlying mechanisms remains incompletely understood. METHODS: The cerebral damage was evaluated by staining with 2,3,5-triphenyltetrazolium chloride, hematoxylin-eosin, and Fluoro Jade B...
September 18, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28912716/a-meta-analysis-of-folic-acid-in-combination-with-anti-hypertension-drugs-in-patients-with-hypertension-and-hyperhomocysteinemia
#17
REVIEW
Wen-Wen Wang, Xin-Shi Wang, Zeng-Rui Zhang, Jin-Cai He, Cheng-Long Xie
Folic acid is generally used to lower homocysteine concentrations and prevent stroke and cardiovascular disease (CVD) at present. However, the efficacy of therapies that lower homocysteine concentrations in reducing the risk of CVD and stroke remains controversial. Our objective was to do a meta-analysis of relevant randomized controlled trials (RCTs) to evaluate the efficacy of folic acid supplementation among patients with hypertension and Hyperhomocysteinemia (HT/HHcy). We included RCTs examining the effects of folic acid plus antihypertensive therapy compared to antihypertensive alone...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28892878/role-of-anthropometric-measurements-in-development-of-cvd-and-stroke-among-t2dm-in-east-godavari-district-andhra-pradesh-india
#18
Mortha Kiran Deedi, Alavala Matta Reddy, Nelakuditi Lakshmana Kumar
INTRODUCTION: Cardiovascular morbidity and mortality have been associated with different variables of anthropometric measurements. AIM: To find out the association of anthropometric measurements in the development of Cardiovascular Disease (CVD) and stroke among Type 2 Diabetes Mellitus (T2DM). MATERIALS AND METHODS: Three hundred subjects were included in the study out of which 100 subjects were known type 2 diabetics with CVD or Stroke (Group 1), 100 subjects were type 2 diabetic patients (Group 2) and 100 subjects were normal and healthy (Group 3)...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28867034/-neonatal-arterial-ischemic-stroke-which-thrombotic-biological-risk-factors-to-investigate-and-which-practical-consequences
#19
T Perez, J B Valentin, E Saliba, Y Gruel
All biological risk factors that have been previously identified to increase the risk of thrombosis in adults, have also been studied in neonates with arterial Ischemic Stroke (NAIS), but most studies were retrospective and included relatively low numbers of affected children. We therefore could not suggest recommendations with a strong level of evidence and only expert proposals potentially useful for clinical practice will be presented in this text. Despite these limitations, the extensive analysis of published data supported that factor V Leiden (FVL) and increased levels of Lp(a) could be significant risk factors for NAIS...
September 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28854002/efficacy-of-folic-acid-therapy-in-patients-with-hyperhomocysteinemia
#20
Huizi Tian, Dandan Tian, Chengda Zhang, Wenhua Wang, Lianke Wang, Mengying Ge, Quanliang Hou, Weidong Zhang
BACKGROUND: Increased plasma homocysteine (Hcy) levels are a risk factor for stroke and can be reduced with folic acid therapy. Therefore, it is extremely important for patients with hyperhomocysteinemia (HHcy) to obtain the normal level of Hcy after folate intervention. Thus far, few studies have reported the effective rate defined as percentage of patients who achieved normal plasma Hcy levels after folic acid therapy. OBJECTIVES: The present study aimed to investigate the effective rate of folic acid for the treatment of HHcy and the impact of plasma baseline Hcy levels and the compliance of oral folic acid on the efficacy...
August 30, 2017: Journal of the American College of Nutrition
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