Cardiovascular

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Heart surgery patients fare better when surgeons bypass their blockages using arteries grafted from an arm rather than veins grafted from a leg, U of T research shows.

The Radial Artery Patency Study, published on-line in advance of publication in the July issue of the Journal of the American College of Cardiology, found that a radial artery taken from a patient’s wrist or arm, versus a saphenous vein from the leg or thigh, provides the best outcome five years after coronary artery bypass grafting.

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A first-of-its-kind mobile application developed by U of T professors is giving neonatologists quick and reliable guidance when undertaking cardiac assessments on newborns.

And it's available free from iTunes.

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Tens of thousands of Canadians seek emergency services and are referred for angiograms each year to investigate sources of chest pain. For approximately half a million Canadians, chronic chest pain – or, specifically, refractory angina – is a devastating disease. Refractory angina is not only painful but is also frightening and debilitating. There have been no specific Canadian guidelines for treating this population until now.

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How much power does your computer use? If you unplugged it, you probably wouldn’t notice a difference in your hydro bills. But did you know that massive data centres that store lots of the data you access with your computer — or your phone — are eating up billions of dollars in power every year?

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Women who are at risk for breast cancer may also be at greater risk for heart disease, new research from the University of Toronto and St. Michael's Hospital has found.

The majority of women with hereditary breast and ovarian cancer have a mutated form of the BRCA1 or BRCA2 genes, which normally suppress the growth of breast and ovarian tumours.