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Search for: "blood vessels" - 250 articles found

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Article • Advancing kidney disease investigation

Digital spatial profiling: new ways for diagnostic histopathology

Digital spatial profiling (DSP) is emerging as a powerful technology in helping specialists investigate complex kidney disease, according to a leading expert. Professor Renate Kain believes spatial profiling adds significantly to systems biology approaches that will transform diagnostic histopathology. However, she warns that the adoption and effective utilization of the technique is critically…

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NaoTrac, Fully-Autonomous Surgical Navigation Robot

NaoTrac is a fully autonomous surgical navigation robot designed to enhance precision, safety, and efficiency in neurosurgery. By seamlessly integrating advanced robotic technology with surgeons’ expertise, NaoTrac streamlines surgical workflows, shortens the learning curve, and improves overall clinical performance. With real-time trajectory visualization. It enables precise lesion…

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    Capillary Blood Collection GK

    Highlights: Capillary Blood Collection GK –for small amounts of bloodThe system offers special advantages for the collection of blood samples from new-borns, children, elderly people and emergency patients, thus everywhere, where only small amounts of blood are availableThe test vessel is prepared on the entire inner surface. Besides, it can be used as centrifugal vesselThe capillary…

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      Pipette-Adapter for Capillaries (PAC)

      Highlights:Assists in the handling of capillaries and their targeted collecting and draining of a defined capillary blood volume on POCT-analysers and test strips or into vesselsSuitable for different capillaries regarding measurements and preparationsAvailable individually or completed with capillaryHandling:Fix capillary in the PAC while using oneway glovesThe capillary is filled as usual…

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        Article • Good-bye “surgery first”

        Interventional radiology: out of the shadow and into the light

        Using imaging guidance, interventional radiology – a sub-discipline of diagnostic imaging – allows targeted and ultraprecise diagnostic and therapeutic procedures without anesthesia and without large incisions. Nevertheless, surgery continues to be widely considered the procedure of choice, making interventional radiology the Cinderella of the discipline. Professor Dr. Marco Das, Medical…

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        News • Enabling neuronal tissue growth

        A hydrogel to heal the brain

        Synthetic hydrogels were shown to provide an effective scaffold for neuronal tissue growth in areas of brain damage, providing a possible approach for brain tissue reconstruction.

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        Article • Digitisation in the OR

        Robotic duo pushes boundaries of microsurgery

        One robot supports the surgeon’s control of tiny instruments, while another automatically keeps an eye on what is happening: With this novel combination, surgeons in Münster have successfully performed fully robot-assisted microsurgery for the first time. Presenting the new procedure at the Hornheide Specialist Clinic, the experts explain how the interaction of both robotic systems ensures…

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        Article • Imaging biomarkers, AI support and beyond

        New tools for Covid-19 assessment

        As knowledge about Covid-19 advances, so does the arsenal of techniques to predict, diagnose and follow up on the disease. At ECR, researchers presented a range of promising imaging modalities to keep track of Covid-19 symptoms, severity, and mortality, often including AI support to enhance or accelerate diagnostics.

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        Sponsored • Senhance robotic system by Asensus

        Surgical robots are the future of medicine

        Esslingen is one of the most innovative regions worldwide. Thus, it does not come as a surprise that Esslingen‘s 660-bed hospital is interested in adopting cutting-edge technology. A surgical robot, to be precise.

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        Article • Benefits of multimodality imaging

        Stroke: The importance of workflow

        When a patient suffers a stroke, speed in treatment can mean the difference between successful recovery, permanent disability, or death. For Christopher Hess, success in stroke diagnosis is a question of workflow and efficient care delivery.

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        Article • Medical technology event

        Overview: Compamed 2021

        Since Compamed could only be held digitally last year, due to the pandemic, the event now takes place publicly again. Almost 500 registrations from exhibitors prove that there is a high level of interest from medical technology suppliers – a huge step towards reaching normality again.

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        Article • Act fast, save lives

        Mobile stroke units: when emergency medicine hits the road

        Speed in treatment of ischemic stroke can mean the difference between successful recovery versus permanent disability caused by brain tissue damage or death. Time is of the essence to perform thrombolysis with a tissue plasminogen activate (tPA), a protein that can dissolve blood clots causing the stroke or intra-arterial thrombolytic therapy (IAT) because of large-vessel occlusion.

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        News • Coronavirus imaging

        Brightest ever X-ray shows lung damage from Covid-19

        The damage caused by Covid-19 to the lungs’ smallest blood vessels has been intricately captured using high-energy X-rays emitted by a special type of particle accelerator. Scientists used a new imaging technology called Hierarchical Phase-Contrast Tomography (HiP-CT), to scan donated human organs, including lungs from a Covid-19 donor.

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        News • Neurology

        The 'thermostat' that prevents our brain from overheating

        The mechanisms by which the body measures temperature and regulates its own body heat are vital, but still poorly understood. The discovery of the first heat sensor on nerve cells in the skin, for which the U.S. molecular biologist David Julius received this year's Nobel Prize for Medicine, was therefore pioneering. However, a very similar heat sensor, the protein TRPM2, is active not only in the…

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        News • Brain stimulation

        Infrared light helmet might aid dementia patients

        Researchers at Durham University are working on a new infrared light therapy that might have the potential to help people with dementia. In the approach, people wear a specially adapted helmet which delivers infrared light deep into the brain for six-minutes per treatment. This stimulates mitochondria that generate most of the chemical energy needed to power the biochemical reaction in the…

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        News • Anemic alternatives

        'Bloodless' transfusion could solve global blood shortage

        Blood transfusions save lives, yet the precious fluid is in desperately short supply around the globe. But what if transfusions don’t always require blood? A new mathematical model of the body’s interacting physiological and biochemical processes – including blood vessel expansion, blood thickening and flow-rate changes in response to the transfusion of red blood cells – shows that…

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        Article • SPECT/CT, MPI and more

        The value of hybrid imaging in the cardiac arena

        Combining imaging modalities is helping to achieve better diagnostic and therapeutic outcomes for heart patients. The topic, discussed in detail by experts at the ICNC-CT online International Conference on Nuclear Cardiology and Cardiac CT, examined hybrid/fusion imaging as the standard in cardiovascular imaging, and its value in clinical practice. Professor Terrence Ruddy spoke about the role of…

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        News • Atrial fibrillation

        Night shift work could increase risk of heart problems

        People who work night shifts are at increased risk of developing an irregular and often abnormally fast heart rhythm called atrial fibrillation (AF), according to research published in the European Heart Journal. The study is the first to investigate the links between night shift work and AF. Using information from 283,657 people in the UK Biobank database, researchers found that the longer and…

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        News • Brain cancer research

        Researchers 3D-print entire active tumor

        Researchers at Tel Aviv University have 3D-printed a first-of-its-kind glioblastoma tumor that mimics a living cancer malignancy, powering new methods to improve treatment and accelerate the development of new drugs for the most lethal type of brain cancer. Glioblastoma is notoriously fatal as it accounts for the majority of brain tumors and is highly aggressive. The average survival time of…

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        News • Vaccine-induced immune thrombotic thrombocytopenia

        Rare blood clotting in brain after Covid-19 vaccination: study gives new insights

        A new study of patients with cerebral venous thrombosis (CVT) following Covid-19 vaccination provides a clearer guide for clinicians trying to diagnose and treat patients. The research, led by University College London (UCL) and UCL Health and published in The Lancet, is the most detailed account of the characteristics of CVT, when it is caused by the novel condition vaccine-induced immune…

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        News • Infection research

        Understanding lung damage in Covid-19 patients

        Covid-19 disease severity is determined by the individual patient’s immune response. The precise mechanisms taking place inside the lungs and blood during the early phase of the disease, however, remain unclear. Researchers from Charité – Universitätsmedizin Berlin, the Max Delbrück Center for Molecular Medicine (MDC) and Freie Universität Berlin have now studied the cellular mechanisms…

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        News • Promising material

        Organ transplantation: polymer coating reduces rejection rate

        Researchers have found a way to reduce organ rejection following a transplant by using a special polymer to coat blood vessels on the organ to be transplanted. The polymer, developed by Prof. Dr. Jayachandran Kizhakkedathu and his team at the Centre for Blood Research and Life Sciences Institute at the University of British Columbia, substantially diminished rejection of transplants in mice when…

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        News • Cell delivery vehicles

        Bio-inspired nanocontainers could enter cells and release their medical cargo

        Nanocontainers can transport substances into cells where they can then take effect. This is the method used in, for example, the mRNA vaccines currently being employed against Covid-19 as well as certain cancer drugs. In research, similar transporters can also be used to deliver labelled substances into cells in order to study basic cellular functions. To take advantage of their full potential,…

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        News • Hydrogel framework

        Synthetic tissue with growing blood vessels developed

        Using lab-created tissue to heal or replace damaged organs is one of the great visions for the future of medicine. Synthetic materials could be suitable as scaffolding for tissue because, unlike natural tissues, they remain stable in the organism long enough for the body to form new natural structures. A fundamental requirement for functional tissue is that blood vessels must be able to grow in…

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        Video • Automated whole-body reperfusion

        New technique to increase survival after cardiac arrest

        Researchers at the Medical Faculty of the University of Freiburg have developed an improved therapeutic approach to resuscitate people after cardiac arrest - often without neurological complications. Around 50,000 people suffer sudden cardiac arrest in Germany every year. When occurring outside a hospital, the chances of survival are only ten percent. Survivors often suffer from severe permanent…

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        News • Angiogenesis

        Magnetic stimulation boosts blood vessel formation

        Magnetic fields can be used to stimulate blood vessel growth, according to a new study. The findings, published in the journal Science and Technology of Advanced Materials by researchers at the Técnico Lisboa and NOVA School of Science and Technology in Portugal, could lead to new treatments for cancers and help regenerate tissues that have lost their blood supply.

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        News • Preventive potential

        Tell-tale signs of heightened stroke risk may appear up to 10 years earlier

        The tell-tale signs of a person’s susceptibility to a stroke may appear up to 10 years before the event, suggests research published online in the Journal of Neurology Neurosurgery & Psychiatry. Stroke patients experienced much steeper declines in cognitive abilities and routine daily functioning, starting around a decade before their first stroke, than people who didn’t have a stroke,…

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        News • Digital patients, promising results

        Are 'virtual' trials the future of research?

        A study involving virtual rather than real patients was as effective in evaluating a medical device used  to treat brain aneurysms, according to new research. The findings are proof of concept for what are called in-silico trials, where instead of recruiting people to a real-life clinical trial, researchers build digital simulations of patient groups, loosely akin to the way virtual…

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        News • More attempts, worse outcomes

        Removing blood clots after stroke: Why the first try counts

        After a stroke, doctors can try to remove clots in blood vessels to keep blood flowing freely to the brain. But even though most of these procedures are successful, less than half of people have a successful recovery from the stroke. A new study published in the medical journal Neurology sheds light on why that may be. The study found that trying more than once during a procedure to retrieve a…

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        News • Abdominal aortic aneurysm

        Novel radiotracer shows promise to predict AAA rupture

        A new positron emission tomography (PET) radiotracer can detect abdominal aortic aneurysms (AAAs) and potentially predict when they will rupture, according to research presented at the Society of Nuclear Medicine and Molecular Imaging 2021 Annual Meeting. Targeting a novel biomarker associated with AAA, the radiotracer is effective both in diagnosis and in providing information to assist in the…

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        News • Cardiology research

        Statins could reduce risk of cancer among heart failure patients

        Statin use among patients with heart failure is associated with a 16% lower risk of developing cancer compared with non-statin users during an average of four years of follow-up. This is according to new research published in the European Heart Journal. In addition, the study found that statin use was associated with a 26% reduced risk of dying from cancer over the same period.

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        News • Renal disease

        New design improves dialysis

        Interdisciplinary team from Washington University School of Medicine in St. Louis and the university’s McKelvey School of Engineering finds better way to design clot-prone grafts currently used for dialysis.

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        News • Severe effects

        How COVID-19 wreaks havoc on human lungs

        Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have published the first detailed atomic-level model of the SARS-CoV-2 "envelope" protein bound to a human protein essential for maintaining the lining of the lungs.

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        News • Disease of smallest heart blood vessels

        Microvascular angina: the global health problem you've never heard of

        For the first time, a prospective, international study has shown that chest pain caused by problems with the very small vessels supplying blood to the heart is an important health problem that increases the risk of heart attacks, stroke and death due to cardiovascular reasons. The study, which is published in the European Heart Journal, recruited 686 patients from 14 institutions in seven…

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        News • New cardiology approach

        Super saturated oxygen therapy reduces consequences of heart attack

        In Germany, more than 200,000 people suffer a heart attack every year. Despite good medical care, many are left with reduced cardiac output. This is particularly true for patients with severe heart attacks: more than 30 percent of those affected develop heart failure, and almost half of them die within the next five years. Experts at the Department of Cardiology and Angiology at Hannover Medical…

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        News • Donor organ analysis

        New laser technique could improve liver transplant process

        Handheld laser devices that help surgeons quickly spot liver damage could transform transplant procedures, research suggests. The non-invasive technique could provide medical staff with instant data on the health of donor livers and help them to identify which organs are suitable for transplant. If widely adopted, the light-based tool could allow more livers to be transplanted safely and…

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        News • Medication testing

        'Airway-on-a-chip' to find new Covid-19 drugs

        A collaboration spanning four research labs and hundreds of miles has used the organ-on-a-chip (Organ Chip) technology from the Wyss institute at Harvard Univesity to identify the antimalarial drug amodiaquine as a potent inhibitor of infection with SARS-CoV-2, the virus that causes Covid-19. The Organ Chip-based drug testing ecosystem established by the collaboration greatly streamlines the…

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        Video • Bioprinting breakthrough

        3D printed mini pancreas to help fight diabetes

        First you see it as a transparent shape on a computer screen – a small electronic replica of the human pancreas. Then just 30 seconds later the tissue is printed out on a bioprinter, blood vessels and all, from a sample of human stem cells. This amazing feat is possible thanks to new technology created at EPFL’s Laboratory of Applied Photonics Devices (LAPD) and further developed by…

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        News • Stopping the spread

        Research sheds new light on pancreatic cancer metastasis

        With an overall survival rate of 9% for those diagnosed, pancreatic cancer remains exceedingly difficult to treat. However, the patient's primary tumor typically isn't what leads to death - it is the cancer's ability to evade detection and metastasize to other organs. A team of researchers at the College of Medicine at the University of Oklahoma has published a new study in the journal…

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        News • Bioengineering

        Producing transplantable livers in the laboratory

        Researchers at the Human Genome and Stem Cell Research Center (HUG-CELL), hosted by the University of São Paulo’s Institute of Biosciences (IB-USP) in Brazil, have developed a technique to reconstruct and produce livers in the laboratory. The proof-of-concept study was conducted with rat livers. In the next stage of their research, the scientists will adapt the technique for the production of…

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        News • Nanoparticle-based contrast agent SAIO

        New MRI contrast agent to improve upon gadolinium-based products

        Magnetic resonance imaging (MRI) is widely used to identify the narrowing or blockage of blood vessels. Contrast agents improve the visibility of the structures and offer more accurate information of vascular conditions such as vascular blockage and stenosis. Commonly used gadolinium-based contrast agents must be administered in chelated forms due to the gadolinium ions' high toxicity and pose…

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        News • Neuro-map reveals nourishment mechanisms

        Food for thought: How our brain keeps its supply up

        Our brains are non-stop consumers. A labyrinth of blood vessels, stacked end-to-end comparable in length to the distance from San Diego to Berkeley, ensures a continuous flow of oxygen and sugar to keep our brains functioning at peak levels. But how does this intricate system ensure that more active parts of the brain receive enough nourishment versus less demanding areas? That’s a century-old…

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        News • Brain tumour analysis

        Glioblastoma '3D maps' help find new therapies

        Researchers at the Universitat Autònoma de Barcelona obtained a highly accurate recreation of human glioblastoma’s features using a novel 3D microscopy analysis. The study, published in the journal Acta Neuropathologica Communications, provides new information to help with the diagnose, by finding therapeutical targets and designing immunotherapeutical strategies.

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        News • Myocarditis, infarction, ischaemia

        Many Covid-19 patients leave hospital with heart damage

        Around 50% of patients who have been hospitalised with severe Covid-19 and who show raised levels of a protein called troponin have damage to their hearts. The injury was detected by magnetic resonance imaging (MRI) scans at least a month after discharge, according to new findings published in the European Heart Journal. Damage includes inflammation of the heart muscle (myocarditis), scarring or…

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        News • Microbiome research

        'Organs-on-a-chip' system sheds light on interactions between gut and brain

        In many ways, our brain and our digestive tract are deeply connected. Feeling nervous may lead to physical pain in the stomach, while hunger signals from the gut make us feel irritable. Recent studies have even suggested that the bacteria living in our gut can influence some neurological diseases. Modeling these complex interactions in animals such as mice is difficult to do, because their…

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        News • Surgical endoscopy

        Olympus to acquire Quest Photonic Devices

        Olympus Corporation announced that it has entered into an agreement to acquire Quest Photonic Devices B.V. for up to EUR50 million including milestone payments to strengthen its surgical endoscopy capabilities. Quest offers advanced fluorescence imaging systems (FIS) for the medical field, enabling more surgical endoscopy capabilities, compared to conventional imaging technologies.

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        News • High-proof cardiology research

        Even a bit of alcohol can increase atrial fibrillation risk

        A study of nearly 108,000 people has found that people who regularly drink a modest amount of alcohol are at increased risk of atrial fibrillation, a condition where the heart beats in an abnormal rhythm. The study, published in the European Heart Journal, found that, compared to drinking no alcohol at all, just one alcoholic drink a day was linked to a 16% increased risk of atrial fibrillation…

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        News • Aneurysm operations

        4D simulation increases safety in brain surgery

        Aneurysm operations in the brain rank among the most delicate procedures in neurosurgery. The highest demands are placed on surgeons when choosing the type of intervention, planning the route and carrying out extremely delicate procedures on the blood vessel. A new training technology co-developed between Inselspital, Bern University Hospital, and ARTORG Center of the University of Bern, will…

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        News • Dangerous immune response

        New insight on severe virus attacks on the lungs

        In some cases, immune cells in the lungs can contribute to worsening a virus attack. In a new study, researchers at Karolinska Institutet describe how different kinds of immune cells, called macrophages, develop in the lungs and which of them may be behind severe lung diseases. The study, which was published in Immunity, may contribute to future treatments for Covid-19, among other diseases.

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        News • Biodegradable implantables

        One step closer to regenerative heart valves and stents

        Non-degradable prostheses for cardiovascular tissues can be used to replace heart valves and blood vessels, but they can’t stay in the body permanently. In two recent papers, researchers at the Eindhoven University of Technology (TU/e) in collaboration with a number of clinical partners, the Dutch Heart Foundation, and TU/e spin-off companies Suprapolix, Xeltis, and STENTiT have shown how…

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        News • Cancer research

        Exploring the benefits of anticoagulants against brain metastases

        Brain metastases can only develop if cancer cells first exit the fine blood vessels and enter into the brain tissue. To facilitate this step, cancer cells influence blood clotting, as scientists from the German Cancer Research Center and Heidelberg University Hospital have now been able to show in mice. The cancer cells actively promote the formation of clots, which helps them to arrest in the…

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        Video • Enhanced therapeutic delivery

        Focused ultrasound shows promise for Alzheimer's treatment support

        A recent preclinical study from scientists at Sunnybrook Research Institute, Canadian Blood Services and the University of Toronto has demonstrated that focused ultrasound improves the delivery of intravenous immunoglobulin (IVIg), a blood product composed of antibodies from healthy donors, previously shown to have potential in treating a subgroup of patients with Alzheimer’s disease.

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        News • Cardiac complications

        Immunotherapy drugs can lead to higher risk of heart problems

        A study of over a thousand cancer patients treated with immunotherapy drugs has found these patients are at greater risk of heart problems, including death from heart attack or stroke. The patients had either lung cancer or malignant melanoma (a type of skin cancer), for which immune checkpoint inhibitors such as a programmed cell death-1 (PD1) inhibitors or cytotoxic T-lymphocyte-associated…

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