Articles tagged with Blood
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new study published in Neurology found that trying more than one time to remove blood clots during endovascular treatments for ischemic strokes was associated with increased disability and brain damage. Researchers suggest aiming for a single attempt at removal with new devices, highlighting the need for further development.
The NIH ACTIV-4B trial found that not treating certain symptomatic but stable outpatients with anticoagulant or antiplatelet therapy may be the best course of action, suggesting a very low rate of thrombotic complications. This recommendation has immediate implications for prophylactic treatment and management of mild COVID-19 symptoms.
Researchers successfully engineered yeast to produce spermidine, a natural molecule that induces autophagy, in hopes of addressing age-related diseases. The production yield reached 2.3 grams per liter, paving the way for fermentation-based manufacture of polyamines and their analogues.
A new study highlights the high risk of kidney failure and cardiovascular complications in patients with primary nephrotic syndrome, particularly those with focal segmental glomerulosclerosis. Adults with this condition are 19.63 times more likely to develop kidney failure over a median follow-up period of 4.5 years.
Researchers found that COVID-19 patients have higher levels of pro-clotting VWF molecules and lower levels of anti-clotting ADAMTS13. This disruption leads to severe blood clots, which can be life-threatening.
A new device that fits over a person's ears can measure real-time changes in blood alcohol levels through the skin. The device collects gas released through the skin and uses an ethanol vapour sensor to calculate ethanol concentrations.
A study published in Environment International found high levels of lead in indigenous people living in Peruvian Amazonia, with the highest concentrations found near oil extraction areas. The research, led by Cristina O'Callaghan-Gordo, highlights the need for urgent action to address the potential health effects on these communities.
Women are more likely to experience acute aortic dissection with older age and different presenting symptoms, leading to delayed diagnosis and treatment. The study highlights the need for sex-directed strategies to improve outcomes in female patients.
A clinical trial found an implantable device is more than three times more effective in detecting atrial fibrillation in ischemic stroke patients. The device could prevent disabling strokes by almost 70% if detected early.
A new study published by the American Heart Association found that adults with OCD were more than three times as likely to experience an ischemic stroke, with the greatest risk among older adults. Researchers also discovered that medications used to treat OCD did not increase the risk of stroke.
A study published in Nature Metabolism found that specific proteins in the blood can predict an individual's trainability and response to exercise. The researchers identified 147 proteins related to cardiorespiratory fitness, which improved their ability to predict an individual's change in VO2max.
The research team found that tenascin-C plays a crucial role in damaging vision cells following ischaemia. In mice without tenascin-C, retinal function improved after ischaemic damage, and fewer photoreceptors died.
A new study on the 25 million-year-old fossil skull of Aetiocetus weltoni reveals that it had both teeth and baleen in adulthood. The discovery provides evidence of a major shift in feeding behavior from raptorial carnivory to filter-feeding, and sheds light on the evolution of modern baleen whales.
A study of 1,095 patients with COVID-19 found abnormal blood-oxygen levels and breathing rates are strong predictors of poor patient outcomes. Researchers recommend monitoring for these signs at home or seeking medical attention earlier to potentially save lives.
A new study published in JAMA Network Open found that a game-based program increased physical activity levels among diabetes patients by an average of 503 steps per day. The program used wearable devices and digital scales with personalized goals to encourage competition, collaboration, or support from family members.
A new type of coronary artery stent is being developed with ultra-low profile struts and a smart surface that can help improve healing and prevent blood clots. The stents aim to reduce the risk of restenosis and thrombosis, which occur in 3-10% of cases.
A study found that exposure to the 2016 US presidential election was associated with an increase in potentially life-threatening cardiac events. The research, conducted in North Carolina, showed a 77% rise in the risk of arrhythmias during the election period compared to control periods.
A predictive model has been developed to identify pediatric patients at risk of developing blood clots or venous thromboembolisms. The model includes 11 risk factors and has been validated on over 44,000 separate admissions. In a trial called CLOT, the model is being used to inform personalized prevention plans for high-risk patients.
A new study found that combining EPA and DHA in popular supplements may blunt heart health benefits, while higher EPA levels alone lowered the risk of major cardiac events. Higher DHA levels worsened health outcomes, suggesting that not all Omega-3s are created equal.
A recent study found that using a rapid, high-sensitivity troponin T testing protocol did not improve patient outcomes after one year. In fact, patients who received this protocol were more likely to experience a heart attack or death compared to those in the standard-care group.
A large international study led by McMaster University found that removing the left atrial appendage significantly cuts the risk of strokes by more than one-third in patients with atrial fibrillation. The procedure is simple, quick, and safe for the majority of heart surgery patients with this condition.
Researchers found that left atrial appendage occlusion significantly reduced stroke risk by 33% in patients with AFib or atrial flutter. The procedure, performed during heart surgery, added less than 10 minutes to the operation and demonstrated long-term safety.
A new study by Rutgers researchers found that COVID-19 can trigger a rare recurrence of upper extremity blood clots, requiring vigilant monitoring and treatment. Patients with a history of deep vein thrombosis or chronic medical conditions are at higher risk for recurrence.
Researchers at Hospital for Special Surgery found that oral tranexamic acid (TXA) is non-inferior to intravenous TXA in preventing blood loss during total knee and hip replacement surgeries. The study suggests that oral administration of TXA may be logistically easier, less costly, and equally effective as IV TXA.
A recent study led by University College London researchers has found that mild COVID-19 infections do not lead to lasting heart damage. The study of 149 healthcare workers with mild COVID-19 infections showed no significant differences in heart structure or function compared to healthy controls.
Researchers created a probe that glows when detecting an enzyme associated with blood clots and strokes. The probe, made up of two components, can host fluorescent molecules and detects an increase in fluorescence intensity when the probe comes into contact with the enzyme.
A team of researchers at Massachusetts General Hospital has identified a consistent protein signature in patients with severe COVID-19. The study found that this signature is associated with an immune response, but also with older patients who have chronic diseases and weakened immune systems.
A new study found that high-intensity cycling sprints can increase maximum oxygen consumption, anaerobic power, and total blood volume, improving aerobic exercise endurance. These results may encourage people to exercise with a short and effective workout that only takes 10 minutes a day.
Researchers have found a link between certain blood types and increased risk of diseases such as kidney stones, pregnancy-induced hypertension, and bleeding conditions. A study scanning health data on over five million people revealed new connections and confirmed previously reported associations.
Researchers predict and capture the reversal of blood droplet flight due to gun muzzle gases, impacting forensic analysis of bloodstain patterns. The study also reveals the breakup of blood droplets in flight, affecting the formation and size of blood droplets.
Researchers from University of Illinois at Chicago and Iowa State University cracked a forensic puzzle by exploring the fluid physics involved in a 2009 murder case. They found that backward blood spatter droplets can be entrained within a turbulent vortex ring of muzzle gases, potentially leaving shooter clothing bloodstain-free.
A new study found that nearly one-third of patients prescribed a direct oral anticoagulant were also taking aspirin without a clear reason, leading to an increased risk of bleeding events. The researchers emphasize the importance of consulting with doctors to determine if combination therapy is necessary for individual patients.
A recent study found that Flint adults suffered a range of adverse physical and mental health symptoms, including skin rashes, hair loss, depression, anxiety, and PTSD, linked to the water crisis. Black residents were particularly affected, with higher rates of reported symptoms.
Researchers at Medical University of Vienna improved liver transplant mortality prediction by adding laboratory parameters to the MELD score, which showed significant benefits in identifying high-risk patients. The study used vWF antigen and CRP levels to assess portal hypertension and inflammatory processes.
Researchers developed an ultrasensitive assay to measure cathepsin B in blood, detecting the biomarker for a range of disease states. This breakthrough aims to improve diagnosis and treatment strategies for conditions such as traumatic brain injury.
The US Preventive Services Task Force recommends against routine screening for vitamin D deficiency in healthy adults due to insufficient evidence. Individual requirements for vitamin D levels vary, making a one-size-fits-all approach challenging.
A study published in Nature Metabolism found that individuals who experience significant 'sugar dips' after eating tend to be hungrier and consume more calories throughout the day. Big dippers had a 9% increase in hunger and ate around 312 calories more than little dippers, potentially leading to weight gain over time.
A study published in the Journal of Endocrinology found an association between higher body weight and greater menstrual blood loss, potentially due to delayed womb lining repair. The research used a combined approach of human and mouse studies, suggesting obesity may contribute to heavier periods through increased inflammation.
A study of 53,000 Danish blood donors found that hay fever and asthma rates have tripled since the 1970s, with symptoms occurring earlier in life. The large biobank provides valuable insights into genetic-environmental interactions and immune system responses.
IU School of Medicine researchers have developed a blood test that can distinguish between severe depression and bipolar disorder, as well as predict future episodes. The test uses RNA biomarkers to inform tailored medication choices, offering a promising precision medicine approach to treatment.
A new study links cerebral small vessel disease (SVD) to intracerebral hemorrhages under anticoagulation, suggesting SVD as a precondition. The study suggests blood thinning alone can no longer be considered a cause of intracerebral hemorrhages.
Type 1 diabetes and diabetic neuropathy contribute to various bone structure impacts but don't fully explain higher fracture risk in patients. Balance and muscle strength also play a role in increased fracture risk, according to new findings.
A large health system study found a significant association between SARS-CoV-2 testing and an increased incidence of outpatient and hospital-associated blood clots in adults. The 30-day risk was higher for women and individuals with certain underlying medical conditions.
The study provides valuable insights into heart, lung, blood and sleep disorders, shedding light on human evolution and genetic mutation. The analysis identified 400 million genetic variants, with over 78% never described before, offering potential for new treatments and prevention strategies tailored to individual patients.
Researchers investigated the association of sociodemographic factors, including age, sex, ethnicity, and socioeconomic status, with the risk of SARS-CoV-2 infection. The study found a significant link between certain blood types and increased risk of severe COVID-19. Participants with type O negative blood were more likely to experienc...
Researchers have created an early prototype of a medical imaging system using neural networks to analyze near-infrared images of veins and project a venous pattern onto a patient's body. The system can detect vein contours accurately, fully automatically, and independently, reducing discomfort for patients with difficult access to veins.
A new pediatric heart transplant procedure has been shown to be at least as effective as the traditional approach, with similar survival rates and fewer infections. The method, pioneered by Canadian doctors, has enabled twice as many organs to be available for type O infants born with heart defects.
A multicenter study found that aspirin was not equally effective as blood thinners in treating cervical artery dissections. The international study showed a higher risk of problems with aspirin treatment compared to anticoagulation.
A study of over 11,000 participants found that certain metabolic processes are associated with up to 14 diseases. The researchers identified key factors influencing human metabolism and developed a web application to make their results publicly available.
A new study suggests that starting the day with breakfast can help lower blood sugar levels and insulin resistance, potentially reducing the risk of developing type 2 diabetes. Researchers analyzed data from over 10,000 adults and found that eating earlier in the day was associated with improved metabolic health.
The 2021 INF Standards of Practice expanded its guidance on needleless connectors to include anti-reflux technology, which causes the least amount of blood reflux. Anti-reflux needleless connectors can prevent catheter occlusions, failure, and infections by automatically eliminating unintentional blood reflux.
A recent study suggests that non-O blood type increases the risk of stroke in women who smoke and take oral contraceptives, with nearly five times the likelihood of a stroke compared to those without these factors. Blood type was found to be an independent risk factor after adjusting for other variables.
A new study aims to explore the cause and therapeutic treatment for left ventricular non-compaction cardiomyopathy (LVNC), also known as a 'spongy heart'. The research, led by University of Houston pharmacologist Mingfu Wu, seeks to determine how heart muscle fails to compact and develop medicines to reduce symptoms.
Researchers developed a first wearable sensor to continuously measure bilirubin, pulse rate, and blood oxygen saturation in real-time. The device aims to improve quality of phototherapy and patient outcomes in neonatal care.
Scientists have created detailed maps of brain blood vessel clusters, revealing that small blood vessels compensate for varying energy requirements. The study provides novel insights into the distribution of oxygen and sugar to different brain regions, shedding light on how brains are kept nourished.
Lauren Childs and her team have developed a mathematical model that shows providing multiple blood meals to female mosquitoes can increase the transmission of malaria. The study suggests reducing mosquito egg production could also accelerate parasite growth, shortening the incubation period.
A new test has been developed to detect the magnetic properties of malaria-infected blood, which could help eliminate the disease. The test, called rotating-crystal magneto-optical detection (RMOD), was field-tested on nearly 1000 suspected malaria patients in Papua New Guinea and showed promising results.
Researchers discovered a single blood protein associated with increased risk of post-operative delirium. The finding paves the way for a non-invasive test to guide prediction, diagnosis and monitoring of delirium.
A unique brain protein measured in the blood could be used to diagnose Alzheimer's disease decades before symptoms develop. Elevated glial fibrillary acidic protein (GFAP) levels in the blood are associated with increased amyloid beta in the brain, a known indicator of Alzheimer's disease.
A new study published in The Journal of Thoracic and Cardiovascular Surgery found that aspirin is a safer alternative to warfarin for preventing blood clots in children after Fontan surgery. Patients on aspirin had lower risks of bleeding and poorer bone mineral density compared to those on warfarin.