Current Blood Clots News and Events

Current Blood Clots News and Events, Blood Clots News Articles.
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Breakthrough design at UBCO vastly improves mechanical heart valve
New research coming out of UBC's Okanagan campus may take the current 'gold standard' for heart valves to a new level of reliability. A team of researchers at UBCO's Heart Valve Performance Lab (HVPL) has developed a way to improve overall blood flow through the valves, so the design of mechanical heart valves will more closely match the real thing. (2021-01-26)

New study: Malaria tricks the brain's defence system
Malaria is one of the most common causes of death in children in Africa. When the parasite builds up in the blood vessels of the brain, it develops into one of the most dangerous forms of the disease, cerebral malaria. Though it wasn't certain if the parasite was able to penetrate the brain tissue, now researchers from the University of Copenhagen have found parasites can do that and have mapped the mechanism they utilise. (2021-01-26)

Hypertension symptoms in women often mistaken for menopause
Pregnancy complications and early menopause increase women's future risk of heart disease. Cardiologists, gynaecologists and endocrinologists recommend how to help middle-aged women prevent later heart problems in a European Society of Cardiology (ESC) consensus document published today in European Heart Journal, a journal of the ESC. ''Physicians should intensify the detection of hypertension in middle-aged women,'' states the document. (2021-01-26)

Predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope
In a new publication from Cardiovascular Innovations and Applications; DOI https://doi.org/10.15212/CVIA.2019.1266, Zhuzhi Wen, Jingying Hou, Zun Mai, Huifen Huang, Yangxin Chen, Dengfeng Geng and Jingfeng Wang from Sun Yat-sen University, Guangzhou, China and Guandong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, China consider predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope. (2021-01-22)

Cancer research reveals how mutations in a specific gene cause different types of disease
Leading cancer expert solve long-standing question of how various types of mutations in just one gene cause different types of diseases (2021-01-14)

New process evaluates patients for elective surgeries following COVID-19
Acknowledging that COVID-19 may be here to stay, Oregon Health & Science University has laid out a series of steps to prepare patients for elective surgery following their illness. The evaluation, outlined in a commentary published in the journal Perioperative Medicine, is believed to be the first published protocol laying out a COVID-era path forward in American medicine. (2021-01-12)

Nanodroplets and ultrasound 'drills' prove effective at tackling tough blood clots
Engineering researchers have developed a new technique for eliminating particularly tough blood clots, using engineered nanodroplets and an ultrasound ''drill'' to break up the clots from the inside out. The technique has not yet gone through clinical testing. In vitro testing has shown promising results. (2021-01-07)

Hydroxychloroquine blood levels predict clotting risk in patients with lupus
A new study in Arthritis & Rheumatology shows that monitoring patients' blood levels of hydroxychloroquine can predict their clotting risk. (2021-01-06)

New research finds ginger counters certain autoimmune diseases in mice
The main bioactive compound of ginger root lowers autoantibody production and helps halt disease progression in mice with antiphospholipid syndrome and lupus. (2021-01-06)

Anticoagulants reduce the number of brain metastases in mice
Brain metastases can only develop if cancer cells exit the capillaries and enter into the brain tissue. To facilitate this step, cancer cells influence blood clotting, as Heidelberg scientists have now been able to show in mice. The cancer cells actively promote the formation of clots, which helps them to arrest in the brain capillaries and then penetrate through the vessel wall. Drugs that inhibit thrombin were able to reduce the number of brain metastases. (2021-01-05)

A full blood count of COVID-19 patients can predict disease severity
International research led by the Radboud university medical center shows that a full blood count of COVID-19 patients predicts fairly accurately whether the infection will have a complicated course or not. This makes it easier for healthcare providers to estimate the expected clinical picture. This study, conducted in eleven hospitals, has now been published in the scientific journal eLife. (2020-12-21)

New toolkit aims to improve quality of thrombosis data in COVID-19 trials
The ASH Research Collaborative (ASH RC) and the International Society of Haemostasis and Thrombosis (ISTH), two organizations with multidisciplinary expertise in blood clotting and bleeding disorders, have developed a toolkit to help clinical researchers from across medical disciplines design clinical trials that further the understanding of blood clotting events associated with COVID-19. (2020-12-17)

Study details first artificial intelligence tool to help labs rule-out COVID-19
Hospital-based laboratories and doctors at the front line of the COVID-19 pandemic might soon add artificial intelligence to their testing toolkit. A recent study describes the performance of Biocogniv's new AI-COVID™ software, which showed high accuracy in predicting the probability of COVID-19 infection using routine blood tests, which can help hospitals reduce the number of patients referred for scarce PCR testing. (2020-12-10)

Risk of serious complications during knee replacement 73% higher when a tourniquet is used
The risk of developing serious complications following a knee replacement could be up to 73% higher when a tourniquet is used, compared to surgery without a tourniquet. Serious complications during knee replacement surgery are rare. However, researchers at the University of Warwick found that 5.9% of patients whose operations involved a tourniquet had serious complications needing additional health care, compared to 2.9% in those operated on without a tourniquet. (2020-12-08)

New method to boost supply of life-saving stem cells
Researchers at the Centre for Genomic Regulation (CRG) in Barcelona and Columbia University in New York City have found a new method for growing a large quantity of life-saving blood stem cells. The scarcity of these cells is one of the greatest limitations for their use in a variety of medical procedures, from treatment of blood cancers to inherited blood disorders that require a bone marrow transplantation. (2020-12-08)

New study debunks blood type diet
A study published in the Journal of the Academy of Nutrition and Dietetics by researchers with the Physicians Committee for Responsible Medicine -- a nonprofit of 12,000 doctors -- debunks the 'blood type diet' by finding that blood type was not associated with the effects of a plant-based diet on body weight, body fat, plasma lipid concentrations, or glycemic control. (2020-12-04)

Better diabetes treatment: New insulin molecule can self-regulate blood sugar
Researchers from the University of Copenhagen and biotech firm Gubra have developed a new insulin molecule that will make blood sugar regulation both easier and safer for those with type 1 diabetes. (2020-12-03)

Researchers uncover significant reason older adults are at greater risk of heart attack
A team of surgeons has found an insufficient level of the protein Sesn2 is the reason older individuals are at greater risk of heart attack, which indicates stabilizing the protein could be the answer to maintaining a healthy heart. (2020-12-03)

Marine mammals' adaptations to low oxygen offer new perspective on COVID-19
When Terrie Williams began hearing about the wide range of symptoms experienced by patients with COVID-19, she saw a connection between the various ways the disease is affecting people and the many physiological adaptations that have enabled marine mammals to tolerate low oxygen levels during dives. In a new review article, Williams explores how the diving physiology of marine mammals can help us understand the effects of COVID-19. (2020-12-03)

Differences in immunity and blood vessels likely protect children from severe COVID-19
Differences in the immune systems and better blood vessel health were among the factors protecting children from severe COVID-19, according to a new review. (2020-12-02)

CNIC scientists identify a new diagnostic and therapeutic target for cardiovascular disease
Scientists at the Centro Nacional de Investigaciones Cardiovasculares (CNIC) have identified a mitochondrial protein as a potential marker for the diagnosis of cardiovascular disease (CVD) and as a possible target for future treatments. The study is published today in the journal Nature. (2020-12-02)

Repurposed mouse model sheds light on loss of smell in COVID-19
A repurposed mouse model can develop symptoms of both severe COVID-19 (lung damage, blood clots, abnormal blood vessels, and death) and also of milder disease, including loss of the sense of smell, according to a recent University of Iowa study published in Nature. (2020-12-01)

Ongoing anticoagulant treatment does not seem to protect against severe COVID-19
DOAC (direct oral anticoagulant) pills are used in the treatment of atrial fibrillation by preventing blood clots. Even though blood clots are thought to contribute to complications from the new coronavirus infection, users of this class of drug do not seem to be protected against severe COVID-19, reports a large Swedish registry study from Karolinska Institutet published in The Journal of Internal Medicine. (2020-12-01)

Cancer cells 'remove blindfold' to spread
Cells are effectively 'blindfolded' as they lose sensitivity to their surroundings early in cancer progression, but scientists used a new method to find some cancer cells are able to switch this sense back on in order to move and spread. In future, these cells could potentially be targeted by treatments before cancer spreads to give patients a better chance of recovery. (2020-12-01)

UK's aim to half maternal mortality by 2030 is challenged by social inequalities, and increasing maternal age, obesity and c-section rates
The complex issues around maternal deaths in the UK will be presented at Euroanaesthesia in a new review by an anaesthesiologist who works on the UK Confidential Enquiry into Maternal Deaths (CEMD), which began in 1952 and investigates the death of every mother during pregnancy and after childbirth. (2020-11-27)

Study: COVID-19 infection combined with blood clots worsen patient outcomes
While respiratory issues continue to be the most common symptom of a COVID-19 infection, new research indicates the disease could also be associated with an increased tendency of the blood to clot, leading to a higher risk of death from COVID-19. (2020-11-23)

Biofriendly protocells pump up blood vessels
In a new study published today in Nature Chemistry, Professor Stephen Mann and Dr Mei Li from Bristol's School of Chemistry, together with Associate Professor Jianbo Liu and colleagues at Hunan University and Central South University in China, prepared synthetic protocells coated in red blood cell fragments for use as nitric oxide generating bio-bots within blood vessels. (2020-11-20)

A bypass route for the coronary vessels in the heart?
When the heart develops, some of its coronary blood vessels develop from cells lining the inner surface of the heart's ventricular chambers (endocardium). Novel findings suggest that new blood vessel growth in the heart can be stimulated with the VEGF-B growth factor from the same source after myocardial infarction to increase blood delivery to the damaged area. (2020-11-19)

Three reasons why COVID-19 can cause silent hypoxia
To crack the mystery of what causes silent hypoxia, a condition when oxygen levels in the body are abnormally low, BU biomedical engineers used computer modeling to test out three different scenarios that help explain how and why the lungs stop providing oxygen to the bloodstream. (2020-11-19)

Ticagrelor was not superior to clopidogrel to reduce heart attack risk during angioplasty
A new study found the rate of heart attack and severe complications before, during or soon after elective surgery to open a blocked artery was similar between patients treated with clopidogrel and those who received the more potent antiplatelet medication ticagrelor. (2020-11-14)

Benefits of high-dose blood thinners in COVID-19 patients remain unclear
While COVID-19 infected patients should be treated with standard anticoagulation therapies, such as blood thinning medication, a new study by researchers at the George Washington University shows that anticoagulating patients at higher doses, without traditional medical indications to do so, may be ineffective and even harmful.  (2020-11-13)

Study: Vitamin D, fish oil don't lower atrial fibrillation risk
New research presented today at the American Heart Association Scientific Sessions suggests neither vitamin D nor the omega-3 fatty acids found in fish oil prevent the development of atrial fibrillation, a potentially serious heart rhythm disturbance. (2020-11-13)

Genetic risk for fatal blood clots identified in IBD patients
In a retrospective study recently published in the journal Gastroenterology, Cedars-Sinai investigators found that a combination of rare and common genetic variants in some IBD patients significantly increased their risk of developing clot-causing thromboembolic diseases. (2020-11-11)

Tracking down the causes of heart attack
Heart attacks strike suddenly and have a range of different triggers. Researchers from Charité - Universitätsmedizin Berlin and the German Centre for Cardiovascular Research (DZHK) were able to uncover a further underlying cause. Studying arterial deposits (plaque) in patients with acute coronary syndrome, the researchers found that, in some patients, these were characterized by activated immune cells which, as a result of altered flow conditions within the vessel, had accumulated on the interior arterial wall, causing damage to the arterial lining. (2020-11-10)

COVID-19 linked to worse stroke outcomes
People who experience strokes while infected with COVID-19 appear to be left with greater disability after the stroke, according a study led by UCL and UCLH researchers. (2020-11-05)

New cause of COVID-19 blood clots identified
A new study reveals that COVID-19 triggers production of antibodies circulating through the blood, causing clots in people hospitalized with the disease. (2020-11-02)

Muscle pain and energy-rich blood: Cholesterol medicine affects the organs differently
Contrary to expectation, treatment with statins has a different effect on blood cells than on muscle cells, a new study from the University of Copenhagen reveals. Today, statins are mainly used in the treatment of elevated cholesterol, but the new results may help design drugs for a number of conditions. (2020-10-29)

Shot of alcohol can help an irregular heartbeat
Research out in this week's issue of JAMA confirms the success of a treatment for persistent atrial fibrillation (AFib) that combines the standard treatment, catheter ablation, with a separate infusion of ethanol, or alcohol, to the vein of Marshall. (2020-10-28)

Scientists use clues in the human genome to discover new inflammatory syndrome
Researchers from the National Institutes of Health (NIH) have discovered a new inflammatory disorder called vacuoles, E1 enzyme, X-linked, autoinflammatory and somatic syndrome (VEXAS), which is caused by mutations in the UBA1 gene. VEXAS causes symptoms that included blood clots in veins, recurrent fevers, pulmonary abnormalities and vacuoles (unusual cavity-like structures) in myeloid cells. (2020-10-27)

Hard physical work significantly increases the risk of dementia
Men in jobs with hard physical work have a higher risk of developing dementia compared to men doing sedentary work, new research from the University of Copenhagen reveals. The researchers therefore urge the health authorities to make their recommendations concerning physical activity more specific. (2020-10-26)

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