Articles tagged with Medical Technology
Researchers at University of Freiburg developed AI models that generate high-quality doctor's letters with 93.1% usability, significantly simplifying clinical practice. The study evaluated 90,000 real clinical documents and found that adapted language models are crucial for practical use.
A team of researchers from USC and Caltech developed a new noninvasive tool to measure brain blood pressure, assessing stroke risk through changes in blood flow and volume during a stress test. The affordable, portable device has the potential to transform stroke care by providing more reliable data than existing questionnaires.
Researchers found that wearable fitness technology can provide greater control and certainty for Long COVID sufferers, but also anxiety and uneasiness. Participants used data from their watches to regulate energy expenditure and understand symptoms, leading to a degree of control over the disease and body.
A recent study published in iScience found that the length of time cells spend engaged in the repair process is also key to regulating regeneration in African killifish. The researchers discovered that skin cells launch a genetic program that primes the whole animal to prepare for a repair response, guiding repair cells to get to work.
Researchers have introduced DSFN to improve the speed and accuracy of diagnoses of retinal disorders. This AI-powered medical imaging technique combines retina images with vascular distribution information to accurately locate the fovea in complex clinical scenarios, enabling doctors to detect early signs of ocular diseases.
Researchers at Boston University discovered a new method to harness self-amplifying RNA to create more effective vaccines. The modified saRNA vaccine protected mice from severe COVID-19 disease with a lower dose than current mRNA vaccines. Longer duration of protein expression and reduced inflammation were also observed.
Researchers developed a tri-culture heart-on-a-chip model of cardiomyocytes, fibroblasts, and endothelial cells to mimic in vivo cardiac behavior. The study successfully replicated endothelial cell morphology and functionality, as well as cardiac function with increased contractility.
A recent systematic review and meta-analysis of 28 studies with 1.2 million participants found that wearable technology can accurately detect conditions such as heart rate variability, blood pressure, oxygen levels, sleep quality, skin temperature, hydration, and stress levels. The study suggests that wearable activity trackers could r...
A new implant has been developed to encourage nerve cell repair after spinal cord injury. The implant uses electrical signals and a 3D-printed scaffold to bridge the gap and direct axons to grow back in the correct formation, promoting healing and recovery.
A recent study found that approximately half of FDA-approved AI medical devices are not trained on real patient data, sparking concerns about device accuracy. The researchers analyzed 500+ medical AI devices and discovered that many lacked clinical validation data, which is essential for ensuring the credibility of these technologies.
A wearable sensor supported by machine learning models can continuously monitor and quantify FOG episodes, providing an accurate picture of a patient's condition. This technology has the potential to support the development of new treatments and improve the lives of people with Parkinson's disease.
Researchers at Soochow University introduced coherence entropy as a global characterization of light fields subjected to random fluctuations. Coherence entropy remains stable during the propagation of light through complex media, making it a robust indicator of light field behavior in non-ideal conditions.
A Rice University-led team is developing an affordable system to improve tumor removal accuracy for breast and head and neck cancer. The AccessPath system enables rapid, automatic tumor margin classification, revolutionizing real-time surgical guidance.
A Chinese Medical Journal study developed an AI-based system to automate embryo selection and eliminate subjectivity in IVF. The system improved human embryo assessment and selection, achieving higher accuracy in embryo aneuploidy screening than experienced embryologists.
Researchers have developed a suite of parameters that can be used to quantitatively measure different physical characteristics of the lung. The parameters were found to be highly sensitive and specific for diagnosing fibrosis and edema in an animal model, using only five necessary parameters.
Seoul National University researchers developed a biodegradable electronic tent technology that enables non-invasive brain disease diagnosis using a needle. The device unfolds to cover the entire brain over a large area and naturally decomposes in the body after diagnosis, minimizing side effects.
The study combines PDA liposomes with swellable microneedles to create a solid-phase detection system, enabling integration of target sampling and detection. The platform demonstrates enhanced pH sensing capabilities and can detect lead ions and sialic acid with lower limits of detection compared to liquid-phase matrices.
Researchers at WVU created a motion-compatible brain scanner that allows patients to move around during imaging. The Ambulatory Motion-enabling PET (AMPET) scanner can help study human behaviors, balance, and emotions, and may be used to monitor brain activity for PTSD treatment and mindfulness meditation.
Researchers developed an inexpensive, water-powered electric bandage that accelerates wound healing in chronic wounds. The bandage produces an electric field that promotes healing and reduces inflammation, with animals treated with the bandage showing a 30% faster rate of wound closure.
A new study found that meeting partners online is positively linked to relationship success among those who have social media presence on their relationships. However, the link was absent among individuals without this social media presence, particularly in marital relationships.
Liheng Cai, a UVA engineering professor, has received a $1.9 million NIH grant to create advanced biomaterials that can be used to repair living tissues and build organ structures. His lab aims to develop polymers that mimic human biology and integrate healthy cells into the human body.
Terasaki Institute scientists have created a novel bioink derived from egg whites, offering abundant proteins and excellent biocompatibility. This breakthrough technology has the potential to create more accurate tissue models for drug testing and develop functional tissue replacements for regenerative medicine applications.
A new study published in Nature Medicine found that people rate medical advice as less reliable and empathetic when an AI is believed to be involved. Despite this, respondents were still less willing to follow AI-supported recommendations compared to advice from human doctors.
The Special Report explores expert perspectives on deploying AI in radiology, emphasizing the need for trust, reproducibility, explainability, and accountability. Radiologists must be able to trust in AI systems' design and receive adequate training, while establishing clear guidelines regarding clinical accountability.
Researchers found that personalized text messages effectively increased physical activity among patients after significant heart events, with Apple Watch users showing a 10% increase in step count. However, the benefits later tapered off as patients became accustomed to the messages.
A study found that large language models, despite accuracy in medical exams, fail to consistently request necessary examinations and often deviate from treatment guidelines. In comparison to human doctors, AI diagnoses achieved lower accuracy rates, highlighting concerns about their suitability for everyday clinical practice.
A UVA research team has developed biomaterials with controlled mechanical properties matching those of various human tissues, representing a significant leap in bioprinting technologies. Their unique digital assembly of spherical particles (DASP) technique can deposit particles of biomaterial in a supporting matrix to build 3D structur...
Researchers from Chiba University developed a foldable pouch actuator that enables finger extension in soft rehabilitation gloves, overcoming the limitation of existing actuators. The FPA facilitates joint-specific movements and has potential applications in telerehabilitation and care facilities.
Researchers created RoboFabric, a wearable fabric that can stiffen on demand for medical applications and soft robotics. The technology reduces muscle activity by up to 40% when assisting joints while lifting loads.
The NTU team created a compact and flexible light-based sensing device, like a plaster, to provide highly accurate biomarker readings within minutes. The device detects glucose, lactate, and urea levels in sweat with ultra-high sensitivity and dynamic range.
Researchers have developed a biodegradable scaffold to facilitate bladder tissue growth, reducing complications associated with traditional augmentation procedures. An implantable sensor also enhances patient monitoring, paving the way for improved bladder surgery outcomes.
A systematic review found that community-dwelling older adults are more likely to use wearable monitoring devices if they receive support from healthcare professionals or peers. The interventions that increased awareness and used collaborative goal-setting tools showed the best results.
A study by Nanyang Technological University found that eight in 10 gastroenterologists in the Asia-Pacific region accept and trust AI-powered tools for diagnosing colorectal polyps. The study also highlights the need for more research into what influences doctors' acceptance of AI in their medical practice.
Researchers have made significant progress in understanding the one-neutron stripping process in lithium-6 and bismuth-209 reactions. The study reveals that this process yields results comparable to fusion reactions, especially at energy regions near nuclear barriers.
Researchers at UC San Diego School of Medicine are developing an AI model to predict opioid addiction in high-risk patients. The model uses generative artificial intelligence to analyze genomic, social determinants of health, clinical, procedural, and demographic data to identify patients at greatest risk.
Researchers developed metamaterials-enhanced MRI technology using coaxial cables to boost signal-to-noise ratio. The innovative coils address patient discomfort and cost by providing adaptable, form-fitting designs for various anatomical sites.
A recent NTU Singapore study found that eight in ten gastroenterologists accept and trust the use of AI-powered tools in diagnosing and assessing colorectal polyps. The study, which surveyed 165 doctors in the Asia-Pacific region, also found that more experienced gastroenterologists perceived a lower risk of AI tools.
Researchers developed a human pancreatic cancer fibrotic barrier model to assess treatment strategies and test efficacy of therapeutic interventions. Inhibition of ROCK2 pathway resulted in reduced ECM remodeling and improved tissue permeability for drugs, highlighting its potential for enhancing drug delivery in PDAC.
Researchers at Shanghai Jiao Tong University have developed a high-resolution neutronics model that increases <sup> 238 </sup> Pu yield by close to 20% in high-flux reactors, reducing costs. The refined production process supports deep-space exploration and life-saving medical devices.
Researchers created a prototype of 'living bioelectronics', combining bacteria, sensors, and gel to integrate with living tissue. The device reduced inflammation and improved psoriasis-like symptoms in mice, offering potential for treating various skin conditions and injuries.
Researchers at Rice University developed a new material that mimics skin elasticity and motion types while preserving signal strength in electronics. The material, made by embedding ceramic nanoparticles into an elastic polymer, stabilizes radio-frequency communication and minimizes energy loss.
Researchers at Osaka Metropolitan University have discovered that plasma irradiation can accelerate tendon repair, showing faster regeneration and increased strength in lab rats. This breakthrough could lead to shorter treatment times and more reliable tendon healing for athletes and individuals with sports-related injuries.
The study found that the wireless modular system is safe and effective in treating cardiac arrhythmias, with a success rate of almost 99% in communicating between devices. The technology also reduces complications and invasive procedures, improving patient safety.
A recent study reveals that a cellular process called transfer Ribonucleic acid (tRNA) modification influences the malaria parasite’s ability to develop resistance. This breakthrough discovery could help researchers develop new drugs to combat resistance and better tools for studying RNA modifications.
Researchers at the University of Cambridge developed flexible electronic devices that wrap around the spinal cord, recording nerve signals and stimulating limb movement. The devices could lead to treatments for spinal injuries without brain surgery, improving safety for patients.
A team of researchers has developed a hemostasis sponge that swiftly staunchs kidney bleeding and facilitates wound recovery. The material uses kidney-derived decellularized extracellular matrix to recreate the kidney's microenvironment, boasting high biocompatibility.
Researchers discovered a two-step process behind the lagging behavior of organic electrochemical transistors (OECTs), which can be customized to improve data processing speed. The study's findings may help design better materials for next-generation applications in biosensing and brain-inspired computation.
Researchers at the University of Washington have solved a long-standing chemical mystery in organic electrochemical transistors (OECTs), which allow current to flow in devices like implantable biosensors. The study reveals that OECTs turn on via a two-step process, causing a lag, and off through a simpler one-step process.
Researchers at the University of Missouri have developed a soft, self-charging material that can track vital signs like blood pressure and heart activity wirelessly. This innovation has significant implications for early disease detection and timely interventions in chronic conditions.
A flexible microdisplay device can track and display neural activity in the brain, allowing neurosurgeons to visualize critical cortical boundaries and guide surgical interventions. The device reduces the need for a buffer zone, enabling more precise removal of harmful tissue.
A new study reveals that generative AI can draft empathetic responses to patient messages, reducing burnout among physicians. The tool provides a starting point for physicians to craft thoughtful responses, improving communication quality and efficiency.
Synthetic platelets made of hydrogel nanoparticles mimic the size and shape of human platelets, promoting clotting and healing. The innovative device has shown promising results in animal models and is being developed for clinical use to treat various medical conditions.
A new study found that combining pelvic floor exercises with behavioral therapy can be more effective than current medical treatments in helping men with frequent urges to urinate. The Bladder Emptying Disorder Therapy (BEST) Trial showed significant improvements in symptoms and quality of life measures after just 12 weeks.
Researchers have developed a novel sensing platform that boosts the sensitivity of conventional optical sensors using exceptional points (EPs), allowing for improved environmental detection and biomedical imaging. The new EP-enhanced sensing platform enables ultrahigh sensitivity without complex modifications to the sensor.
A new study in the American Journal of Preventive Medicine found that large language models (LLMs) like ChatGPT-4 and Google Bard can generate incorrect or incomplete medical advice, highlighting the importance of consulting healthcare professionals for accurate information. The study assessed 56 questions posed to LLMs and found that ...
Researchers developed an index to optimize picosecond laser treatment for skin blemishes, showing low complication rates and high efficacy. The wavelength-dependent indicators are expected to improve the safety and effectiveness of the treatment.
A new virus-killing surface made of silicon nanospikes has shown 96% effectiveness against the hPIV-3 virus, damaging its structure and membranes. The surface can be incorporated into devices and surfaces to prevent viral spread and reduce disinfectant use.
Kessler Foundation and collaborators win $1 million prize for proof-of-concept study on tablet-type controller StimXS, designed to help individuals with spinal cord injuries manage autonomic functions. The team advances to Phase 3 of the NIH Common Fund's Neuromod Prize competition.
A multi-institutional team is creating innovative technologies to reduce complications associated with left ventricular assist devices (LVADs), including infection, thrombosis, stroke, and bleeding. The new LVAD will deliver a physiological response to changes in the recipient's activity levels using a 'smart' Maglev drive technology.
Researchers at the University of Rochester are developing a multimodal, non-invasive method to study the brain's physiology and reduce neurological issues associated with ECMO therapy. The technique uses electroencephalography, diffuse correlation spectroscopy, and evoked potentials to monitor blood flow and neural activity in the brain.