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Medical

Hydrogel boosts uptake of stem cells in repairing damaged hearts

With their ability to help repair damaged muscle, stem cells have shown promise as tools for rebuilding the body's organs, but their potential is yet to be fully realized – especially when it comes to the heart. Part of this is because only a small percentage of stem cells injected actually survive the process, but a newly developed liquid could make life a little easier for freshly transplanted cells. Researchers have found that encapsulating them in a sticky hydrogel gives them the ability to not only survive, but multiply and improve the injured heart's ability to pump blood. Read More

Medical

New blood clot-busting nanocapsule promises immediate care for heart attacks

When blood clots form in the aftermath of a heart attack or stroke, medications can be deployed to break them apart, but delivery is tricky. Getting the medicine to the clot takes some guesswork and there's no guarantee it will arrive in the right dosage, with complications like hemorrhaging a real possibility. A team of Australian scientists has developed a new approach that sees the drugs carried safely inside a nanocapsule, opening up the treatment to more patients and lessening the chance of side effects.Read More

Medical

Harnessing the survival powers of cancer cells could wipe out heart disease

The same genes that allow many cancers to proliferate and thrive could in the future be repurposed as a force for good. A study at the San Diego State University (SDSU) Heart Institute has found that mouse hearts regenerate cells better, causing the mice to live longer, when their progenitor cells are modified to over-express a key gene in cancer production. The researchers believe this could lead to a new treatment for people with heart disease or who have suffered from other age-related cardiac problems.Read More

Medical

Medtronic announces world's smallest pacemaker

Two years ago we heard about the Nanostim, a pacemaker that's less than 10 percent the size of a regular model. While it's pretty darn small, Medtronic's just-announced Micra TPS (Transcatheter Pacing System) is reportedly even tinier. Billed as the world's smallest pacemaker, it's described as being the size of a large vitamin capsule – and it can be implanted using a catheter. Read More

Medical

Heart-on-a-chip beats a steady rhythm

The growing number of biological structures being grown on chips in various laboratories around the world is rapidly replicating the entire gamut of major human organs. Now one of the most important of all – a viable functioning heart – has been added to that list by researchers at the University of California at Berkeley (UC Berkeley) who have taken adult stem cells and grown a lattice of pulsing human heart tissue on a silicon device.Read More

Medical

Freedom Driver allows man with artificial heart to await transplant at home

Heart failure patients awaiting organ transplants normally find themselves anchored to the hospital bed by a washing machine-sized device that keeps blood pumping through their veins. But for Stan Larkin, a patient at the University of Michigan Frankel Cardiovascular Center, a new form of wearable technology is allowing him to keep on the move. The Freedom Driver is a compact, mobile version of the same machine that allows patients like Larkin to go about their normal lives while they wait for a matching donor heart to arrive. Read More

Health & Wellbeing

Scientists find that exposure to nanoparticles could impact cardiovascular health

Due to its huge potential in applications ranging from cheaper vaccinations to energy-storing car panels, there's plenty of excitement surrounding the emergence of nanotechnology. But a team of scientists are urging caution, with a study conducted at the Technion-Israel Institute of Technology suggesting that exposure to silicon-based nanoparticles may play a role in the development of cardiovascular disease. Read More

Medical

New combination of drugs slows heart decline in muscular dystrophy patients

Signs of Duchenne muscular dystrophy (DMD) can start to appear in boys as young as six, leading to deterioration of the heart muscles and ultimately death. Pharmaceuticals aimed at controlling high blood pressure have been used to treat the one in 3,500 young males suffering from the condition, but a new study suggests that a novel combination of these drugs could slow the decline in heart function earlier on, and in promising new ways. Read More

Medical

Surgeons successfully transplant a heart that had stopped beating

In a world first, surgeons at St Vincent’s Hospital in Sydney, Australia have successfully transplanted a "dead" heart into a patient. Thanks to the use of a revolutionary preservation solution, developed by the Victor Chang Cardiac Research Institute and St Vincent’s Hospital, the doctors were able to resuscitate and transplant the donor heart after it had stopped beating for up to 20-30 minutes. Read More

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