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Nutrition: Iron

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Total 471 results found since Jan 2013.

Efficacy and safety of erythropoietin and iron therapy to reduce red blood cell transfusion in surgical patients: a systematic review and meta-analysis
ConclusionAdministration of ESA and iron therapy reduced the risk for RBC transfusion compared with iron therapy alone in patients undergoing cardiac and non-cardiac surgery. Nevertheless, publication bias and heterogeneity reduces the confidence of the finding. Although the analysis was probably under-powered for some outcomes, no difference in the incidence of serious adverse events was observed with ESA and iron compared with iron alone. Further large prospective trials are required to confirm these findings.
Source: Canadian Journal of Anesthesia - May 8, 2019 Category: Anesthesiology Source Type: research

Hydroxyurea reduces cerebral metabolic stress in patients with sickle cell anemia
Chronic transfusion therapy (CTT) prevents stroke in selected patients with sickle cell anemia (SCA). We have shown that CTT mitigates signatures of cerebral metabolic stress, reflected by elevated oxygen extraction fraction (OEF), which likely drives stroke risk reduction. The region of highest OEF falls within the border zone, where cerebral blood flow (CBF) nadirs; OEF in this region was reduced after CTT. The neuroprotective efficacy of hydroxyurea (HU) remains unclear. To test our hypothesis that patients receiving HU therapy have lower cerebral metabolic stress compared with patients not receiving disease-modifying t...
Source: Blood - May 29, 2019 Category: Hematology Authors: Fields, M. E., Guilliams, K. P., Ragan, D., Binkley, M. M., Mirro, A., Fellah, S., Hulbert, M. L., Blinder, M., Eldeniz, C., Vo, K., Shimony, J. S., Chen, Y., McKinstry, R. C., An, H., Lee, J.-M., Ford, A. L. Tags: Sickle Cell Disease, Red Cells, Iron, and Erythropoiesis Source Type: research

Supplemental Vitamins and Minerals for Cardiovascular Disease Prevention and Treatment
The objective of this study is to explore the current literature supporting the use oral multivitamins and multi/minerals (OMVMs) for cardiovascular diseases (CVD) treatment and prevention.Recent FindingsData on multivitamins, vitamin C and D, coenzyme Q, calcium, and selenium, has showed no consistent benefit for the prevention of CVD, myocardial infarction, or stroke, nor was there a benefit for all-cause mortality to support their routine supplementation. Folic acid alone and B vitamins with folic acid, B6 and B12, reduce stroke, whereas niacin and antioxidants are associated with an increased risk of all-cause mortalit...
Source: Current Cardiology Reports - February 13, 2020 Category: Cardiology Source Type: research

Effects of Antimalarial Drugs on Neuroinflammation-Potential Use for Treatment of COVID-19-Related Neurologic Complications
AbstractThe SARS-CoV-2 virus that is the cause of coronavirus disease 2019 (COVID-19) affects not only peripheral organs such as the lungs and blood vessels, but also the central nervous system (CNS) —as seen by effects on smell, taste, seizures, stroke, neuropathological findings and possibly, loss of control of respiration resulting in silent hypoxemia. COVID-19 induces an inflammatory response and, in severe cases, a cytokine storm that can damage the CNS. Antimalarials have unique properti es that distinguish them from other anti-inflammatory drugs. (A) They are very lipophilic, which enhances their ability to cross ...
Source: Molecular Neurobiology - November 27, 2020 Category: Neurology Source Type: research

Pyridoxal Isonicotinoyl Hydrazone Improves Neurological Recovery by Attenuating Ferroptosis and Inflammation in Cerebral Hemorrhagic Mice
Biomed Res Int. 2021 Sep 8;2021:9916328. doi: 10.1155/2021/9916328. eCollection 2021.ABSTRACTFerroptosis and inflammation induced by cerebral hemorrhage result in an excessive inflammatory response and irreversible neuronal injury. Alleviating ferroptosis might be an effective way to prevent neuroinflammatory injury and promote neural functional recovery. Pyridoxal isonicotinoyl hydrazine (PIH), a lipophilic iron-chelating agent, has been reported to reduce excess iron-induced cytotoxicity. However, whether PIH could ameliorate the effects of hemorrhagic stroke is not completely understood. In the present study, the preven...
Source: Biomed Res - September 20, 2021 Category: Research Authors: Hengli Zhang Min Wen Jiayu Chen Chaojie Yao Xiao Lin Zhongxiao Lin Junnan Ru Qichuan Zhuge Su Yang Source Type: research

Safety and efficacy of iron supplementation after myocardial infarction in mice with moderate blood loss anaemia
ConclusionsIron supplementation 24  h after reperfusion of AMI is safe and reversed enlargement of end-systolic volume after AMI resulting in increased stroke volume and cardiac output. This highlights its potential as adjunctive treatment in anaemia with ID after reperfused AMI. Time point of iron application after reperfusion appe ars critical.
Source: ESC Heart Failure - October 12, 2021 Category: Cardiology Authors: Patricia Wischmann, Ramesh Chennupati, Isabella Solga, Felix Funk, Stefanie Becher, Norbert Gerdes, Stefan Anker, Malte Kelm, Christian Jung Tags: Original Research Article Source Type: research

Metal ion chelation enhances tissue plasminogen activator (tPA)-induced thrombolysis: an in vitro and in vivo study
AbstractStroke is the third leading cause of death in the United States and the leading cause of adult disability. Despite enormous research efforts including many clinical trials, tissue plasminogen activator (tPA) remains the only FDA-approved treatment for acute ischemic stroke. Unfortunately, only 1 –3% of stroke patients in the US receive this therapy because of the narrow time window and severe side effects for using tPA. The most deadly and damaging side effect is the risk of intracranial bleeding or hemorrhage. For that reason, the dose of tPA and its overall administration are under tigh t control, which may com...
Source: Journal of Thrombosis and Thrombolysis - November 10, 2021 Category: Hematology Source Type: research

Cerebral Hemorrhage: Pathophysiology, Treatment, and Future Directions
Circ Res. 2022 Apr 15;130(8):1204-1229. doi: 10.1161/CIRCRESAHA.121.319949. Epub 2022 Apr 14.ABSTRACTIntracerebral hemorrhage (ICH) is a devastating form of stroke with high morbidity and mortality. This review article focuses on the epidemiology, cause, mechanisms of injury, current treatment strategies, and future research directions of ICH. Incidence of hemorrhagic stroke has increased worldwide over the past 40 years, with shifts in the cause over time as hypertension management has improved and anticoagulant use has increased. Preclinical and clinical trials have elucidated the underlying ICH cause and mechanisms of i...
Source: Circulation Research - April 14, 2022 Category: Cardiology Authors: Jessica Magid-Bernstein Romuald Girard Sean Polster Abhinav Srinath Sharbel Romanos Issam A Awad Lauren H Sansing Source Type: research

Roots of < em > Astragalus propinquus < /em > Schischkin Regulate Transmembrane Iron Transport and Ferroptosis to Improve Cerebral Ischemia-Reperfusion Injury
CONCLUSION: RAP stimulation inhibited ferroptosis by regulating the expression of the key ferroptosis factors XCT, SLC3A2, GPX4, NRF2, HO-1, and IREB2. In conclusion, RAP regulates transmembrane iron transport and ferroptosis to improve CIRI.PMID:35958925 | PMC:PMC9363172 | DOI:10.1155/2022/7410865
Source: Evidence-based Complementary and Alternative Medicine - August 12, 2022 Category: Complementary Medicine Authors: Juan Chen Donglai Ma Jun Bao Ying Zhang Guoxing Deng Source Type: research