Mindray has officially released its new premium Resona 7 ultrasound system recently. The system will be showcased for the first time at Medica 2015 in Dusseldorf, Germany, from November 16-19. Release in the North American market is scheduled for early 2016.
Resona 7 is powered by the revolutionary ZONE Sonography
Head and neck cancer patients may no longer have to undergo invasive post-treatment surgery to remove remaining cancer cells, as research shows that innovative scanning-led surveillance can help identify the need for, and guidance of, neck dissection.
The study from the Universities of Birmingham and Warwick and University Hospitals Coventry and Warwickshire used advanced imaging to identify cancer cells still present after treatment of head and neck cancer with primary chemoradiotherapy.
Previous guidelines meant that all head and neck cancer patients have to undergo neck dissection surgery, a three-hour operation with considerable morbidity and up to a one week hospital stay, because there was no reliable way to identify which patients still had remaining cancer cells.
The use of positron emission tomography
Ji and colleagues used a microscopy technique called stimulated Raman scattering, or SRS, to image cancer cells in human brain tissue. SRS produces different signals for proteins and lipids, which can then be assigned a colour (blue and green, respectively), allowing the authors to differentiate brain cortex from tumour from white matter. Biopsies from adult and paediatric patients with glioblastoma revealed not only distinctive features with SRS microscopy but also the presence of infiltrating cells in tissues that appeared otherwise normal with traditional staining. Such infiltrating cells are important to catch early because leaving them behind after surgery nearly always leads to cancer recurrence. To make this SRS microscopy approach amenable to routine use in neuropathology, the authors also created an objective classifier that integrated different image characteristics, such as the protein/ lipid ratio, axonal density, and degree of cellularity, into one output, on a scale of 0 to 1, that would alert the pathologist to tumour infiltration. The classifier was built using more than 1400 images from patients with glioblastoma and epilepsy, and could distinguish between tumour-infiltrated and non-tumour regions with >99% accuracy, regardless of tumour grade or histologic subtype. This label-free imaging technology could therefore be used to complement existing neurosurgical workflows, allowing for rapid and objective characterization of brain tissues and, in turn, clinical decision-making.
Science Translation Medicine http://tinyurl.com/oxq8ojx
Since up to 90% of patients develop hospital- acquired anemia by their third day in the ICU (Intensive Care Unit) with many requiring subsequent transfusions, blood conservation strategies can be of significant benefit to patients and will help reduce costs of care. The new paper observes that within the ICU setting, the total amount of diagnostic (iatrogenic) blood loss is a significant predicator of anemia and subsequent allogeneic transfusion. Notably, iatrogenic blood loss is the factor most easily controlled by the intensivist – the paper discusses the main methods of reducing the contribution of blood tests to the incidence of iatrogenic anemia. Entitled
Between 5 and 30 per cent of those who receive a new hip prosthesis will require a re-operation during their lifetime. New research shows that a high-resolution X-ray method can predict which patients have the greatest risk of re-operation.
In Sweden, around 16,000 hip prosthesis operations are done annually, and about an additional 1,100 re-operations are done where part or all of the prosthetic must be replaced or removed.
The risk of re-operation varies with the patient’s age: around 30 per cent of patients under 50 undergo a re-operation within 15 years, while the corresponding percentage for patients older than 75 is 5-10 per cent.
The risk of re-operations also increases after each new operation on the hip joint.
Over 30 years, researchers at Sahlgrenska Academy at the University of Gothenburg have developed a special examination method that makes it possible to measure the prosthesis movement relative to the bone using high-resolution X-rays (called radiostereometry). The method, which has now been evaluated in a doctoral thesis, can be used to predict which patients are at risk of re-operation.
‘With the radiostereometric method, we can discover movements in the artificial joint socket. Since these movements increase the risk that the prosthesis will loosen on the long term, the information can be used to predict re-operation,’ says Maziar Mohaddes, who is presenting the studies in his doctoral thesis.
According to the researchers, the radiostereometric method can predict at an early stage if new prosthetic models and surgical techniques are safe, and if they can be expected to improve the outcome in patients.
The technique in question is so specialized that it is primarily used in research.
According to Maziar Mohaddes, broader clinical use could both identify and to some extent reduce the scope of complications in hip operations.
University of Gothenburghttp://tinyurl.com/hx4pmgf
Researchers at University of California, San Diego School of Medicine and Shiley Eye Institute, with colleagues in China, have developed a new, regenerative medicine approach to remove congenital cataracts in infants, permitting remaining stem cells to regrow functional lenses.
The treatment, which has been tested in animals and in a small, human clinical trial, produced much fewer surgical complications than the current standard-of-care and resulted in regenerated lenses with superior visual function in all 12 of the paediatric cataract patients who received the new surgery.
In subsequent tests in animals with cataracts and in a small human trial, they found the new surgical technique allowed pre-existing LECs to regenerate functional lenses. In particular, the human trial involved 12 infants under the age of 2 treated with the new method and 25 similar infants receiving current standard surgical care. The latter control group experienced a higher incidence of post-surgery inflammation, early-onset ocular hypertension and increased lens clouding.
Prescription opioid abuse has reached epidemic proportions, with more than half of patients being treated for chronic pain reportedly misusing their medication at some point.
However, new research led by University at Buffalo psychiatric nursing researcher Yu-Ping Chang found motivational interviewing, a form of behavioural counselling, is an effective tool at curbing the abuse.
Prescription opioids, which includes pain medications such as morphine and codeine
Plants and trees soak up water in the soil by letting it vaporize through pores in the leaves. Scientists have now taken this principle to develop a sweat sensor through which the sweat itself flows at a steady rate and is analysed.
Using laser micro-manufacturing, they made minuscule structures in flexible plastic and integrated a small analytic chip. Their work overcomes an important hurdle towards the development of flexible sweat sensors that can be stuck on the skin.
The substances in our sweat say much about our health, so sportsmen and women stand to gain quite alot as do medical applications. For instance, the saline concentration in sweat can tells us about cystic fibrosis while the acidity level is a decisive factor in certain skin diseases. To be able to monitor the development of this over time,
The MEDICAL FAIR ASIA, Southeast Asia
Non-healing chronic wounds are a major complication of diabetes, which result in more than 70,000 lower-limb amputations in the United States alone each year. The reasons why diabetic wounds are resistant to healing are not fully understood, and there are limited therapeutic agents that could accelerate or facilitate their repair.
University of Notre Dame researchers have discovered a compound that accelerates diabetic wound healing, which may open the door to new treatment strategies.
A team of researchers from Notre Dame
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