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Protein-Energy Malnutrition Exacerbates Stroke-Induced Forelimb Abnormalities and Dampens Neuroinflammation
AbstractProtein-energy malnutrition (PEM) pre-existing at stroke onset is believed to worsen functional outcome, yet the underlying mechanisms are not fully understood. Since brain inflammation is an important modulator of neurological recovery after stroke, we explored the impact of PEM on neuroinflammation in the acute period in relation to stroke-initiated sensori-motor abnormalities. Adult rats were fed a low-protein (LP) or normal protein (NP) diet for 28 days before inducing photothrombotic stroke (St) in the forelimb region of the motor cortex or sham surgery; the diets continued for 3 days after the stroke. Prot...
Source: Translational Stroke Research - February 3, 2018 Category: Neurology Source Type: research
Serum Potassium Is Positively Associated With Stroke and Mortality in the Large, Population-Based Malmo Preventive Proȷect Cohort Clinical Sciences
Background and Purpose—Low serum potassium is associated with stroke in populations with cardiovascular disease, hypertension, and diabetes mellitus but has not been studied in a mainly healthy population. We aimed to study the relation between serum potassium and incident stroke and mortality in the Malmö Preventive Project, a large cohort with screening in early mid-life and follow-up>25 years.Methods—Serum potassium measurements and covariates were available in 21 353 individuals (79% men, mean age 44 years). Mean follow-up time was 26.9 years for stroke analyses and 29.3 years for mortality analyses. There were ...
Source: Stroke - October 23, 2017 Category: Neurology Authors: Linda S. Johnson, Nick Mattsson, Ahmad Saȷadieh, Per Wollmer, Martin Soderholm Tags: Diet and Nutrition, Epidemiology, Lifestyle, Primary Prevention, Risk Factors Original Contributions Source Type: research
The Dysphagia in Stroke Protocol Reduces Aspiration Pneumonia in Patients with Dysphagia Following Acute Stroke: a Clinical Audit
AbstractCough reflex testing has been evaluated as a component of the clinical swallowing assessment as a means of identifying patients at risk of aspiration during swallowing. A previous study by our research group found good sensitivity and specificity of the cough reflex test for identifying patients at risk of aspiration post-stroke, yet its use did not decrease pneumonia rates, contrary to previous reports. The aim of this study was to expand on our earlier work by implementing a clinical management protocol incorporating cough reflex testing within the same healthcare setting and compare patient outcomes to those fro...
Source: Translational Stroke Research - March 30, 2018 Category: Neurology Source Type: research
Delayed Administration of Angiotensin II Type 2 Receptor (AT2R) Agonist Compound 21 Prevents the Development of Post-stroke Cognitive Impairment in Diabetes Through the Modulation of Microglia Polarization
AbstractA disabling consequence of stroke is cognitive impairment, occurring in 12% –48% of patients, for which there is no therapy. A critical barrier is the lack of understanding of how post-stroke cognitive impairment (PSCI) develops. While 70% of stroke victims present with comorbid diseases such as diabetes and hypertension, the limited use of comorbid disease models in prec linical research further contributes to this lack of progress. To this end, we used a translational model of diabetes to study the development of PSCI. In addition, we evaluated the application of compound 21 (C21), an angiotensin II Type 2 rece...
Source: Translational Stroke Research - December 2, 2019 Category: Neurology Source Type: research
Deferoxamine Treatment Prevents Post-Stroke Vasoregression and Neurovascular Unit Remodeling Leading to Improved Functional Outcomes in Type 2 Male Diabetic Rats: Role of Endothelial Ferroptosis
This study aimed to determine the impact of iron chelation with deferoxamine (DFX) on (1) cerebral vascularization patterns and (2) functional outcomes after stroke in control and diabetic rats. After 8 weeks of type 2 diabetes induced by a combination of high-fat diet and low-dose streptozotocin, male control and diabetic animals were subjected to thromboembolic middle cerebral artery occlusion (MCAO) and randomized to vehicle, DFX, or tPA/DFX and followed for 14 days with behavioral tests. Vas cular indices (vascular volume and surface area), neurovascular remodeling (AQP4 polarity), and microglia activation were meas...
Source: Translational Stroke Research - August 31, 2020 Category: Neurology Source Type: research
Results of a Pilot Trial of a Lifestyle Intervention for Stroke Survivors: Healthy Eating and Lifestyle after Stroke
Although healthy lifestyle practices mitigate recurrent stroke risk and mortality, few stroke survivors adhere to them, particularly among socioeconomically disadvantaged communities. We developed and pilot tested a occupational therapy-based lifestyle management intervention, Healthy Eating And Lifestyle after Stroke (HEALS), to improve stroke survivors ’ self-management skills relating to diet and physical activity and evaluated it in a diverse safety-net population.
Source: Journal of Stroke and Cerebrovascular Diseases - September 28, 2020 Category: Neurology Authors: Amytis Towfighi, Eric M. Cheng, Valerie A. Hill, Frances Barry, Martin Lee, Natalie P. Valle, Brian Mittman, Monica Ayala-Rivera, Lilian Moreno, Annaliese Espinosa, Heidi Dombish, Debbie Wang, Dina Ochoa, Allison Chu, Michal Atkins, Barbara G. Vickrey Source Type: research
Coffee Consumption and Stroke Risk: Evidence from a Systematic Review and Meta-Analysis of more than 2.4 Million Men and Women
Stroke remains the leading cause of disability and mortality globally. Based on the Global Burden of Disease Study 2016, it was estimated that there were 13.7 million new stroke cases, 5.5 million deaths, 80.1 million prevalent cases, and 116.4 million disability-adjusted life-years.1 About 75% of stroke cases are ischemic, whereas the remaining cases are hemorrhagic.2 Stroke incidence increases with age. Well-known risk factors for stroke include personal history of hypertension, diabetes and cardiac diseases, unhealthy behavioral factors (heavy cigarette consumption, less physical inactivity, poor diet), and serious environmental risks.
Source: Journal of Stroke and Cerebrovascular Diseases - November 11, 2020 Category: Neurology Authors: Chuan Shao, Hui Tang, Xiaoya Wang, Jiaquan He Source Type: research
Maternal n-3 Polyunsaturated Fatty Acid Enriched Diet Commands Fatty Acid Composition in Postnatal Brain and Protects from Neonatal Arterial Focal Stroke
In conclusion, maternal/postnatal n-3 enriched diet markedly rearranges neonatal brain lipid composition and modulates the response to ischemia. While standard diet is sufficient to maintain low levels of inflammatory cytokines and chemokines under physiological condition s, n-3 PUFA enriched diet, but not standard diet, attenuates increases of inflammatory cytokines and chemokines in ischemic-reperfused regions and protects from neonatal stroke.Graphic Abstract
Source: Translational Stroke Research - October 21, 2021 Category: Neurology Source Type: research
A Pilot Trial of a Lifestyle Intervention for Stroke Survivors: Design of Healthy Eating and Lifestyle after Stroke (HEALS)
Stroke survivors have high rates of subsequent cardiovascular and recurrent cerebrovascular events, and mortality. While healthy lifestyle practices - including a diet rich in fruits and vegetables, limited alcohol intake, and regular physical activity - can mitigate these outcomes, few stroke survivors adhere to them. Minorities from socioeconomically disadvantaged communities who obtain care in safety-net health systems experience the most barriers to implementing healthy lifestyle changes after stroke.
Source: Journal of Stroke and Cerebrovascular Diseases - August 16, 2017 Category: Neurology Authors: Valerie A. Hill, Barbara G. Vickrey, Eric M. Cheng, Natalie P. Valle, Monica Ayala-Rivera, Lilian Moreno, Cynthia Munoz, Heidi Dombish, Annaliese Espinosa, Debbie Wang, Dina Ochoa, Allison Chu, Rebecca Heymann, Amytis Towfighi Source Type: research
Dietary Practices Among Stroke-survivors —Racial/Ethnic Differences
The objective of this analyzes was therefore to examine racial/ ethnic differences in nutrition activities among stroke survivors using data from the National Health and Nutrition Examination Surveys.
Source: Journal of Stroke and Cerebrovascular Diseases - August 16, 2018 Category: Neurology Authors: Oyinlola T. Babatunde, Patrick M. Briley, Brandi M. White, Xiangming Fang, Charles Ellis Source Type: research
Modifiable Factors Associated with Non-Adherence to Secondary Ischaemic Stroke Prevention Strategies
Eighty percent of stroke is due to five modifiable factors: hypertension, smoking, abdominal obesity, unhealthy diet, and lack of exercise.1 Risk factors for first-time and recurrent ischaemic stroke are similar.2 The absolute risk of a recurrent ischaemic stroke following an initial ischaemic stroke is 29.7% by five years.3 Recurrent strokes are associated with greater disability and mortality than first-time strokes.4 Secondary prevention strategies are key in reducing recurrent ischaemic events.
Source: Journal of Stroke and Cerebrovascular Diseases - October 27, 2020 Category: Neurology Authors: G Shankari, Szu Chyi Ng, Si Ying Goh, Fung Peng Woon, Kinjal Doshi, Pei Shieen Wong, Qianqian Fan, Il Fan Tan, Kaavya Narasimhalu, Deidre Anne De Silva Source Type: research
Plasma Kallikrein Contributes to Intracerebral Hemorrhage and Hypertension in Stroke-Prone Spontaneously Hypertensive Rats
This report investigates the role of PKa on hemorrhage and hypertension in stroke-prone spontaneously hypertensive rats (SHRSP). SHRSP were fed with a high salt –containing stroke-prone diet to increase blood pressure and induce intracerebral hemorrhage. The roles of PKa on blood pressure, hemorrhage, and survival in SHRSP were examined in rats receiving a PKa inhibitor or plasma prekallikrein antisense oligonucleotide (PK ASO) compared with rats receivin g control ASO. Effects on PKa on the proteolytic cleavage of atrial natriuretic peptide (ANP) were analyzed by tandem mass spectrometry. We show that SHRSP on high-salt...
Source: Translational Stroke Research - July 9, 2021 Category: Neurology Source Type: research
Trends in Diet Counseling Among Stroke Versus Non-Stroke Patients: Evidence from the NAMCS, 2011 –2016
Dietary modifications in post-stroke patients facilitated by diet counseling improves post-stroke recovery and stroke recurrence. The extent to which clinicians provide dietary counseling for these patients is unknown.
Source: Journal of Stroke and Cerebrovascular Diseases - November 26, 2021 Category: Neurology Authors: Nikhila Gandrakota, Vishal B Patel, Miranda Moore, Karima Benameur, Megha K Shah Source Type: research
Diet And Primary Prevention Of Stroke: Systematic Review And Dietary Recommendations By The Ad Hoc Working Group Of The Italian Society Of Human Nutrition
To systematically review the latest evidence on established and emerging nutrition-related risk factors for incidence of and mortality from total, ischemic and haemorrhagic strokes.The present review was conducted in the framework of the work carried out through 2015 and 2016 for the preparation of the Italian Guidelines for the Prevention and Treatment of Stroke, 8th Edition, by ISO-SPREAD (Italian Stroke Organization and the Stroke Prevention and Educational Awareness Diffusion).
Source: Nutrition, Metabolism, and Cardiovascular Diseases : NMCD - January 15, 2018 Category: Nutrition Authors: Licia Iacoviello, Marialaura Bonaccio, Giulia Cairella, Maria Valeria Catani, Simona Costanzo, Rosalba Giacco, Domenico Rendina, Paola Sabino, Isabella Savini, Pasquale Strazzullo, Working Group for Nutrition and Stroke Tags: Systematic Reviews and Meta-analyses Source Type: research
Early Motor-Behavioral Outcome of Ischemic Stroke with Ketogenic Diet Preconditioning: Interventional Animal Study
Background: Cerebral stroke, with ischemic stroke being its most common type, is the leading cause of chronic disability. The ketogenic diet has been used for treating seizures for centuries and has been considered to be a treatment for other neurologic diseases in recent years. The goal of this study is to evaluate the effects of ketogenic diet preconditioning on the early motor-behavior outcome of rats with induced cerebral ischemic stroke. Methods: Twenty-four rats were surveyed in 3 groups of Main, Control, and Sham.
Source: Journal of Stroke and Cerebrovascular Diseases - January 16, 2019 Category: Neurology Authors: Sheida Shaafi, Mirmohsen Sharifi-Bonab, Neda Ghaemian, Mohaddeseh Mokhtarkhani, Hossen Akbari Source Type: research
